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1 | /* |
2 | * Licensed to the Apache Software Foundation (ASF) under one | |
3 | * or more contributor license agreements. See the NOTICE file | |
4 | * distributed with this work for additional information | |
5 | * regarding copyright ownership. The ASF licenses this file | |
6 | * to you under the Apache License, Version 2.0 (the | |
7 | * "License"); you may not use this file except in compliance | |
8 | * with the License. You may obtain a copy of the License at | |
9 | * | |
10 | * http://www.apache.org/licenses/LICENSE-2.0 | |
11 | * | |
12 | * Unless required by applicable law or agreed to in writing, | |
13 | * software distributed under the License is distributed on an | |
14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
15 | * KIND, either express or implied. See the License for the | |
16 | * specific language governing permissions and limitations | |
17 | * under the License. | |
18 | * | |
19 | * Contains some contributions under the Thrift Software License. | |
20 | * Please see doc/old-thrift-license.txt in the Thrift distribution for | |
21 | * details. | |
22 | */ | |
23 | ||
24 | #include <fstream> | |
25 | #include <iostream> | |
26 | #include <stdexcept> | |
27 | #include <string> | |
28 | #include <vector> | |
29 | ||
30 | #include <ctype.h> | |
31 | ||
32 | #include "thrift/platform.h" | |
33 | #include "thrift/generate/t_oop_generator.h" | |
34 | ||
35 | using std::map; | |
36 | using std::ostream; | |
37 | using std::ostringstream; | |
38 | using std::string; | |
39 | using std::stringstream; | |
40 | using std::vector; | |
41 | ||
42 | static const string endl = "\n"; // avoid ostream << std::endl flushes | |
43 | ||
44 | /* forward declarations */ | |
45 | string initial_caps_to_underscores(string name); | |
46 | string underscores_to_initial_caps(string name); | |
47 | string to_upper_case(string name); | |
48 | string to_lower_case(string name); | |
49 | ||
50 | /** | |
51 | * C code generator, using glib for C typing. | |
52 | */ | |
53 | class t_c_glib_generator : public t_oop_generator { | |
54 | public: | |
55 | /* constructor */ | |
56 | t_c_glib_generator(t_program* program, | |
57 | const map<string, string>& parsed_options, | |
58 | const string& option_string) | |
59 | : t_oop_generator(program) { | |
60 | (void)option_string; | |
61 | std::map<std::string, std::string>::const_iterator iter; | |
62 | ||
63 | /* set the output directory */ | |
64 | this->out_dir_base_ = "gen-c_glib"; | |
65 | ||
66 | /* no options yet */ | |
67 | for( iter = parsed_options.begin(); iter != parsed_options.end(); ++iter) { | |
68 | throw "unknown option c_glib:" + iter->first; | |
69 | } | |
70 | ||
71 | /* set the namespace */ | |
72 | this->nspace = program_->get_namespace("c_glib"); | |
73 | ||
74 | if (this->nspace.empty()) { | |
75 | this->nspace = ""; | |
76 | this->nspace_u = ""; | |
77 | this->nspace_uc = ""; | |
78 | this->nspace_lc = ""; | |
79 | } else { | |
80 | /* replace dots with underscores */ | |
81 | char* tmp = strdup(this->nspace.c_str()); | |
82 | for (unsigned int i = 0; i < strlen(tmp); i++) { | |
83 | if (tmp[i] == '.') { | |
84 | tmp[i] = '_'; | |
85 | } | |
86 | } | |
87 | this->nspace = string(tmp, strlen(tmp)); | |
88 | free(tmp); | |
89 | ||
90 | /* clean up the namespace for C. | |
91 | * An input of 'namespace foo' should result in: | |
92 | * - nspace = foo - for thrift objects and typedefs | |
93 | * - nspace_u = Foo - for internal GObject prefixes | |
94 | * - nspace_uc = FOO_ - for macro prefixes | |
95 | * - nspace_lc = foo_ - for filename and method prefixes | |
96 | * The underscores are there since uc and lc strings are used as file and | |
97 | * variable prefixes. | |
98 | */ | |
99 | this->nspace_u = initial_caps_to_underscores(this->nspace); | |
100 | this->nspace_uc = to_upper_case(this->nspace_u) + "_"; | |
101 | this->nspace_lc = to_lower_case(this->nspace_u) + "_"; | |
102 | } | |
103 | } | |
104 | ||
105 | /* initialization and destruction */ | |
106 | void init_generator() override; | |
107 | void close_generator() override; | |
108 | ||
109 | /* generation functions */ | |
110 | void generate_typedef(t_typedef* ttypedef) override; | |
111 | void generate_enum(t_enum* tenum) override; | |
112 | void generate_consts(vector<t_const*> consts) override; | |
113 | void generate_struct(t_struct* tstruct) override; | |
114 | void generate_service(t_service* tservice) override; | |
115 | void generate_xception(t_struct* tstruct) override; | |
116 | ||
117 | private: | |
118 | /* file streams */ | |
119 | ofstream_with_content_based_conditional_update f_types_; | |
120 | ofstream_with_content_based_conditional_update f_types_impl_; | |
121 | ofstream_with_content_based_conditional_update f_header_; | |
122 | ofstream_with_content_based_conditional_update f_service_; | |
123 | ||
124 | /* namespace variables */ | |
125 | string nspace; | |
126 | string nspace_u; | |
127 | string nspace_uc; | |
128 | string nspace_lc; | |
129 | ||
130 | /* helper functions */ | |
131 | bool is_complex_type(t_type* ttype); | |
132 | bool is_numeric(t_type* ttype); | |
133 | string type_name(t_type* ttype, bool in_typedef = false, bool is_const = false); | |
134 | string property_type_name(t_type* ttype, bool in_typedef = false, bool is_const = false); | |
135 | string base_type_name(t_type* type); | |
136 | string type_to_enum(t_type* type); | |
137 | string constant_literal(t_type* type, t_const_value* value); | |
138 | string constant_value(string name, t_type* type, t_const_value* value); | |
139 | string constant_value_with_storage(string name, t_type* type, t_const_value* value); | |
140 | string function_signature(t_function* tfunction); | |
141 | string argument_list(t_struct* tstruct); | |
142 | string xception_list(t_struct* tstruct); | |
143 | string declare_field(t_field* tfield, | |
144 | bool init = false, | |
145 | bool pointer = false, | |
146 | bool constant = false, | |
147 | bool reference = false); | |
148 | void declare_local_variable(ostream& out, t_type* ttype, string& base_name, bool for_hash_table); | |
149 | void declore_local_variable_for_write(ostream& out, t_type* ttype, string& base_name); | |
150 | ||
151 | /* generation functions */ | |
152 | void generate_const_initializer(string name, | |
153 | t_type* type, | |
154 | t_const_value* value, | |
155 | bool top_level = false); | |
156 | void generate_service_helpers(t_service* tservice); | |
157 | void generate_service_client(t_service* tservice); | |
158 | void generate_service_handler(t_service* tservice); | |
159 | void generate_service_processor(t_service* tservice); | |
160 | void generate_service_server(t_service* tservice); | |
161 | void generate_object(t_struct* tstruct); | |
162 | void generate_struct_writer(ostream& out, | |
163 | t_struct* tstruct, | |
164 | string this_name, | |
165 | string this_get = "", | |
166 | bool is_function = true); | |
167 | void generate_struct_reader(ostream& out, | |
168 | t_struct* tstruct, | |
169 | string this_name, | |
170 | string this_get = "", | |
171 | bool is_function = true); | |
172 | ||
173 | void generate_serialize_field(ostream& out, | |
174 | t_field* tfield, | |
175 | string prefix, | |
176 | string suffix, | |
177 | int error_ret); | |
178 | void generate_serialize_struct(ostream& out, t_struct* tstruct, string prefix, int error_ret); | |
179 | void generate_serialize_container(ostream& out, t_type* ttype, string prefix, int error_ret); | |
180 | void generate_serialize_map_element(ostream& out, | |
181 | t_map* tmap, | |
182 | string key, | |
183 | string value, | |
184 | int error_ret); | |
185 | void generate_serialize_set_element(ostream& out, t_set* tset, string element, int error_ret); | |
186 | void generate_serialize_list_element(ostream& out, | |
187 | t_list* tlist, | |
188 | string list, | |
189 | string index, | |
190 | int error_ret); | |
191 | ||
192 | void generate_deserialize_field(ostream& out, | |
193 | t_field* tfield, | |
194 | string prefix, | |
195 | string suffix, | |
196 | int error_ret, | |
197 | bool allocate = true); | |
198 | void generate_deserialize_struct(ostream& out, | |
199 | t_struct* tstruct, | |
200 | string prefix, | |
201 | int error_ret, | |
202 | bool allocate = true); | |
203 | void generate_deserialize_container(ostream& out, t_type* ttype, string prefix, int error_ret); | |
204 | void generate_deserialize_map_element(ostream& out, t_map* tmap, string prefix, int error_ret); | |
205 | void generate_deserialize_set_element(ostream& out, t_set* tset, string prefix, int error_ret); | |
206 | void generate_deserialize_list_element(ostream& out, | |
207 | t_list* tlist, | |
208 | string prefix, | |
209 | string index, | |
210 | int error_ret); | |
211 | ||
212 | string generate_new_hash_from_type(t_type* key, t_type* value); | |
213 | string generate_new_array_from_type(t_type* ttype); | |
214 | ||
215 | string generate_free_func_from_type(t_type* ttype); | |
216 | string generate_hash_func_from_type(t_type* ttype); | |
217 | string generate_cmp_func_from_type(t_type* ttype); | |
218 | }; | |
219 | ||
220 | /** | |
221 | * Prepare for file generation by opening up the necessary file | |
222 | * output streams. | |
223 | */ | |
224 | void t_c_glib_generator::init_generator() { | |
225 | /* create output directory */ | |
226 | MKDIR(get_out_dir().c_str()); | |
227 | ||
228 | string program_name_u = initial_caps_to_underscores(program_name_); | |
229 | string program_name_uc = to_upper_case(program_name_u); | |
230 | string program_name_lc = to_lower_case(program_name_u); | |
231 | ||
232 | /* create output files */ | |
233 | string f_types_name = get_out_dir() + this->nspace_lc + program_name_lc + "_types.h"; | |
234 | f_types_.open(f_types_name.c_str()); | |
235 | string f_types_impl_name = get_out_dir() + this->nspace_lc + program_name_lc + "_types.c"; | |
236 | f_types_impl_.open(f_types_impl_name.c_str()); | |
237 | ||
238 | /* add thrift boilerplate headers */ | |
239 | f_types_ << autogen_comment(); | |
240 | f_types_impl_ << autogen_comment(); | |
241 | ||
242 | /* include inclusion guard */ | |
243 | f_types_ << "#ifndef " << this->nspace_uc << program_name_uc << "_TYPES_H" << endl << "#define " | |
244 | << this->nspace_uc << program_name_uc << "_TYPES_H" << endl << endl; | |
245 | ||
246 | /* include base types */ | |
247 | f_types_ << "/* base includes */" << endl << "#include <glib-object.h>" << endl | |
248 | << "#include <thrift/c_glib/thrift_struct.h>" << endl | |
249 | << "#include <thrift/c_glib/protocol/thrift_protocol.h>" << endl; | |
250 | ||
251 | /* include other thrift includes */ | |
252 | const vector<t_program*>& includes = program_->get_includes(); | |
253 | if (!includes.empty()) { | |
254 | f_types_ << "/* other thrift includes */" << endl; | |
255 | ||
256 | for (auto include : includes) { | |
257 | const std::string& include_nspace = include->get_namespace("c_glib"); | |
258 | std::string include_nspace_prefix = | |
259 | include_nspace.empty() ? "" : initial_caps_to_underscores(include_nspace) + "_"; | |
260 | ||
261 | f_types_ << "#include \"" << include_nspace_prefix | |
262 | << initial_caps_to_underscores(include->get_name()) << "_types.h\"" << endl; | |
263 | } | |
264 | f_types_ << endl; | |
265 | } | |
266 | ||
267 | /* include custom headers */ | |
268 | const vector<string>& c_includes = program_->get_c_includes(); | |
269 | f_types_ << "/* custom thrift includes */" << endl; | |
270 | for (const auto & c_include : c_includes) { | |
271 | if (c_include[0] == '<') { | |
272 | f_types_ << "#include " << c_include << endl; | |
273 | } else { | |
274 | f_types_ << "#include \"" << c_include << "\"" << endl; | |
275 | } | |
276 | } | |
277 | f_types_ << endl; | |
278 | ||
279 | /* include math.h (for "INFINITY") in the implementation file, in case we | |
280 | encounter a struct with a member of type double */ | |
281 | f_types_impl_ << endl << "#include <math.h>" << endl; | |
282 | ||
283 | // include the types file | |
284 | f_types_impl_ << endl << "#include \"" << this->nspace_lc << program_name_u << "_types.h\"" | |
285 | << endl << "#include <thrift/c_glib/thrift.h>" << endl << endl; | |
286 | ||
287 | f_types_ << "/* begin types */" << endl << endl; | |
288 | } | |
289 | ||
290 | /** | |
291 | * Finish up generation and close all file streams. | |
292 | */ | |
293 | void t_c_glib_generator::close_generator() { | |
294 | string program_name_uc = to_upper_case(initial_caps_to_underscores(program_name_)); | |
295 | ||
296 | /* end the header inclusion guard */ | |
297 | f_types_ << "#endif /* " << this->nspace_uc << program_name_uc << "_TYPES_H */" << endl; | |
298 | ||
299 | /* close output file */ | |
300 | f_types_.close(); | |
301 | f_types_impl_.close(); | |
302 | } | |
303 | ||
304 | /** | |
305 | * Generates a Thrift typedef in C code. For example: | |
306 | * | |
307 | * Thrift: | |
308 | * typedef map<i32,i32> SomeMap | |
309 | * | |
310 | * C: | |
311 | * typedef GHashTable * ThriftSomeMap; | |
312 | */ | |
313 | void t_c_glib_generator::generate_typedef(t_typedef* ttypedef) { | |
314 | f_types_ << indent() << "typedef " << type_name(ttypedef->get_type(), true) << " " << this->nspace | |
315 | << ttypedef->get_symbolic() << ";" << endl << endl; | |
316 | } | |
317 | ||
318 | /** | |
319 | * Generates a C enumeration. For example: | |
320 | * | |
321 | * Thrift: | |
322 | * enum MyEnum { | |
323 | * ONE = 1, | |
324 | * TWO | |
325 | * } | |
326 | * | |
327 | * C: | |
328 | * enum _ThriftMyEnum { | |
329 | * THRIFT_MY_ENUM_ONE = 1, | |
330 | * THRIFT_MY_ENUM_TWO | |
331 | * }; | |
332 | * typedef enum _ThriftMyEnum ThriftMyEnum; | |
333 | */ | |
334 | void t_c_glib_generator::generate_enum(t_enum* tenum) { | |
335 | string name = tenum->get_name(); | |
336 | string name_uc = to_upper_case(initial_caps_to_underscores(name)); | |
337 | ||
338 | f_types_ << indent() << "enum _" << this->nspace << name << " {" << endl; | |
339 | ||
340 | indent_up(); | |
341 | ||
342 | vector<t_enum_value*> constants = tenum->get_constants(); | |
343 | vector<t_enum_value*>::iterator c_iter; | |
344 | bool first = true; | |
345 | ||
346 | /* output each of the enumeration elements */ | |
347 | for (c_iter = constants.begin(); c_iter != constants.end(); ++c_iter) { | |
348 | if (first) { | |
349 | first = false; | |
350 | } else { | |
351 | f_types_ << "," << endl; | |
352 | } | |
353 | ||
354 | f_types_ << indent() << this->nspace_uc << name_uc << "_" << (*c_iter)->get_name(); | |
355 | f_types_ << " = " << (*c_iter)->get_value(); | |
356 | } | |
357 | ||
358 | indent_down(); | |
359 | f_types_ << endl << "};" << endl << "typedef enum _" << this->nspace << name << " " | |
360 | << this->nspace << name << ";" << endl << endl; | |
361 | ||
362 | f_types_ << "/* return the name of the constant */" << endl; | |
363 | f_types_ << "const char *" << endl; | |
364 | f_types_ << "toString_" << name << "(int value); " << endl << endl; | |
365 | ; | |
366 | f_types_impl_ << "/* return the name of the constant */" << endl; | |
367 | f_types_impl_ << "const char *" << endl; | |
368 | f_types_impl_ << "toString_" << name << "(int value) " << endl; | |
369 | f_types_impl_ << "{" << endl; | |
370 | f_types_impl_ << " static __thread char buf[16] = {0};" << endl; | |
371 | f_types_impl_ << " switch(value) {" << endl; | |
372 | std::set<int> done; | |
373 | for (c_iter = constants.begin(); c_iter != constants.end(); ++c_iter) { | |
374 | int value = (*c_iter)->get_value(); | |
375 | // Skipping duplicate value | |
376 | if (done.find(value) == done.end()) { | |
377 | done.insert(value); | |
378 | f_types_impl_ << " case " << this->nspace_uc << name_uc << "_" << (*c_iter)->get_name() | |
379 | << ":" | |
380 | << "return \"" << this->nspace_uc << name_uc << "_" << (*c_iter)->get_name() | |
381 | << "\";" << endl; | |
382 | } | |
383 | } | |
384 | f_types_impl_ << " default: g_snprintf(buf, 16, \"%d\", value); return buf;" << endl; | |
385 | f_types_impl_ << " }" << endl; | |
386 | f_types_impl_ << "}" << endl << endl; | |
387 | } | |
388 | ||
389 | /** | |
390 | * Generates Thrift constants in C code. | |
391 | */ | |
392 | void t_c_glib_generator::generate_consts(vector<t_const*> consts) { | |
393 | f_types_ << "/* constants */" << endl; | |
394 | f_types_impl_ << "/* constants */" << endl; | |
395 | ||
396 | vector<t_const*>::iterator c_iter; | |
397 | for (c_iter = consts.begin(); c_iter != consts.end(); ++c_iter) { | |
398 | string name = (*c_iter)->get_name(); | |
399 | string name_uc = to_upper_case(name); | |
400 | string name_lc = to_lower_case(name); | |
401 | t_type* type = (*c_iter)->get_type(); | |
402 | t_const_value* value = (*c_iter)->get_value(); | |
403 | ||
404 | if (is_complex_type(type)) { | |
405 | f_types_ << type_name(type) << indent() << this->nspace_lc << name_lc | |
406 | << "_constant();" << endl; | |
407 | } | |
408 | ||
409 | f_types_ << indent() << "#define " << this->nspace_uc << name_uc << " " | |
410 | << constant_value(name_lc, type, value) << endl; | |
411 | ||
412 | generate_const_initializer(name_lc, type, value, true); | |
413 | } | |
414 | ||
415 | f_types_ << endl; | |
416 | f_types_impl_ << endl; | |
417 | } | |
418 | ||
419 | /** | |
420 | * Generate Thrift structs in C code, as GObjects. Example: | |
421 | * | |
422 | * Thrift: | |
423 | * struct Bonk | |
424 | * { | |
425 | * 1: string message, | |
426 | * 2: i32 type | |
427 | * } | |
428 | * | |
429 | * C GObject instance header: | |
430 | * struct _ThriftBonk | |
431 | * { | |
432 | * GObject parent; | |
433 | * | |
434 | * gchar * message; | |
435 | * gint32 type; | |
436 | * }; | |
437 | * typedef struct _ThriftBonk ThriftBonk | |
438 | * // ... additional GObject boilerplate ... | |
439 | */ | |
440 | void t_c_glib_generator::generate_struct(t_struct* tstruct) { | |
441 | f_types_ << "/* struct " << tstruct->get_name() << " */" << endl; | |
442 | generate_object(tstruct); | |
443 | } | |
444 | ||
445 | /** | |
446 | * Generate C code to represent Thrift services. Creates a new GObject | |
447 | * which can be used to access the service. | |
448 | */ | |
449 | void t_c_glib_generator::generate_service(t_service* tservice) { | |
450 | string svcname_u = initial_caps_to_underscores(tservice->get_name()); | |
451 | string svcname_uc = this->nspace_uc + to_upper_case(svcname_u); | |
452 | string filename = this->nspace_lc + to_lower_case(svcname_u); | |
453 | ||
454 | // make output files | |
455 | string f_header_name = get_out_dir() + filename + ".h"; | |
456 | f_header_.open(f_header_name.c_str()); | |
457 | ||
458 | string program_name_u = initial_caps_to_underscores(program_name_); | |
459 | string program_name_lc = to_lower_case(program_name_u); | |
460 | ||
461 | // add header file boilerplate | |
462 | f_header_ << autogen_comment(); | |
463 | ||
464 | // add an inclusion guard | |
465 | f_header_ << "#ifndef " << svcname_uc << "_H" << endl << "#define " << svcname_uc << "_H" << endl | |
466 | << endl; | |
467 | ||
468 | // add standard includes | |
469 | f_header_ << "#include <thrift/c_glib/processor/thrift_dispatch_processor.h>" << endl << endl; | |
470 | f_header_ << "#include \"" << this->nspace_lc << program_name_lc << "_types.h\"" << endl; | |
471 | ||
472 | // if we are inheriting from another service, include its header | |
473 | t_service* extends_service = tservice->get_extends(); | |
474 | if (extends_service != NULL) { | |
475 | f_header_ << "#include \"" << this->nspace_lc | |
476 | << to_lower_case(initial_caps_to_underscores(extends_service->get_name())) << ".h\"" | |
477 | << endl; | |
478 | } | |
479 | f_header_ << endl; | |
480 | ||
481 | // create the service implementation | |
482 | string f_service_name = get_out_dir() + filename + ".c"; | |
483 | f_service_.open(f_service_name.c_str()); | |
484 | ||
485 | // add the boilerplace header | |
486 | f_service_ << autogen_comment(); | |
487 | ||
488 | // include the headers | |
489 | f_service_ << "#include <string.h>" << endl << "#include <thrift/c_glib/thrift.h>" << endl | |
490 | << "#include <thrift/c_glib/thrift_application_exception.h>" << endl << "#include \"" | |
491 | << filename << ".h\"" << endl << endl; | |
492 | ||
493 | // generate the service-helper classes | |
494 | generate_service_helpers(tservice); | |
495 | ||
496 | // generate the client objects | |
497 | generate_service_client(tservice); | |
498 | ||
499 | // generate the server objects | |
500 | generate_service_server(tservice); | |
501 | ||
502 | // end the header inclusion guard | |
503 | f_header_ << "#endif /* " << svcname_uc << "_H */" << endl; | |
504 | ||
505 | // close the files | |
506 | f_service_.close(); | |
507 | f_header_.close(); | |
508 | } | |
509 | ||
510 | /** | |
511 | * | |
512 | */ | |
513 | void t_c_glib_generator::generate_xception(t_struct* tstruct) { | |
514 | string name = tstruct->get_name(); | |
515 | string name_u = initial_caps_to_underscores(name); | |
516 | string name_lc = to_lower_case(name_u); | |
517 | string name_uc = to_upper_case(name_u); | |
518 | ||
519 | generate_object(tstruct); | |
520 | ||
521 | f_types_ << "/* exception */" << endl | |
522 | << "typedef enum" << endl | |
523 | << "{" << endl; | |
524 | indent_up(); | |
525 | f_types_ << indent() << this->nspace_uc << name_uc << "_ERROR_CODE" << endl; | |
526 | indent_down(); | |
527 | f_types_ << "} " << this->nspace << name << "Error;" << endl | |
528 | << endl | |
529 | << "GQuark " << this->nspace_lc << name_lc | |
530 | << "_error_quark (void);" << endl | |
531 | << "#define " << this->nspace_uc << name_uc << "_ERROR (" | |
532 | << this->nspace_lc << name_lc << "_error_quark())" << endl | |
533 | << endl | |
534 | << endl; | |
535 | ||
536 | f_types_impl_ << "/* define the GError domain for exceptions */" << endl << "#define " | |
537 | << this->nspace_uc << name_uc << "_ERROR_DOMAIN \"" << this->nspace_lc << name_lc | |
538 | << "_error_quark\"" << endl << "GQuark" << endl << this->nspace_lc << name_lc | |
539 | << "_error_quark (void)" << endl << "{" << endl | |
540 | << " return g_quark_from_static_string (" << this->nspace_uc << name_uc | |
541 | << "_ERROR_DOMAIN);" << endl << "}" << endl << endl; | |
542 | } | |
543 | ||
544 | /******************** | |
545 | * HELPER FUNCTIONS * | |
546 | ********************/ | |
547 | ||
548 | /** | |
549 | * Returns true if ttype is not a primitive. | |
550 | */ | |
551 | bool t_c_glib_generator::is_complex_type(t_type* ttype) { | |
552 | ttype = get_true_type(ttype); | |
553 | ||
554 | return ttype->is_container() || ttype->is_struct() || ttype->is_xception(); | |
555 | } | |
556 | ||
557 | bool t_c_glib_generator::is_numeric(t_type* ttype) { | |
558 | return ttype->is_enum() || (ttype->is_base_type() && !ttype->is_string()); | |
559 | } | |
560 | ||
561 | /** | |
562 | * Maps a Thrift t_type to a C type. | |
563 | */ | |
564 | string t_c_glib_generator::type_name(t_type* ttype, bool in_typedef, bool is_const) { | |
565 | if (ttype->is_base_type()) { | |
566 | string bname = base_type_name(ttype); | |
567 | ||
568 | if (is_const) { | |
569 | return "const " + bname; | |
570 | } else { | |
571 | return bname; | |
572 | } | |
573 | } | |
574 | ||
575 | if (ttype->is_container()) { | |
576 | string cname; | |
577 | ||
578 | t_container* tcontainer = (t_container*)ttype; | |
579 | if (tcontainer->has_cpp_name()) { | |
580 | cname = tcontainer->get_cpp_name(); | |
581 | } else if (ttype->is_map()) { | |
582 | cname = "GHashTable"; | |
583 | } else if (ttype->is_set()) { | |
584 | // since a set requires unique elements, use a GHashTable, and | |
585 | // populate the keys and values with the same data, using keys for | |
586 | // the actual writes and reads. | |
587 | // TODO: discuss whether or not to implement TSet, THashSet or GHashSet | |
588 | cname = "GHashTable"; | |
589 | } else if (ttype->is_list()) { | |
590 | t_type* etype = get_true_type(((t_list*)ttype)->get_elem_type()); | |
591 | if (etype->is_void()) { | |
592 | throw std::runtime_error("compiler error: list element type cannot be void"); | |
593 | } | |
594 | // TODO: investigate other implementations besides GPtrArray | |
595 | cname = is_numeric(etype) ? "GArray" : "GPtrArray"; | |
596 | } | |
597 | ||
598 | /* Omit the dereference operator if we are aliasing this type within a | |
599 | typedef, to allow the type to be used more naturally in client code; | |
600 | otherwise, include it */ | |
601 | if (!in_typedef) { | |
602 | cname += " *"; | |
603 | } | |
604 | ||
605 | if (is_const) { | |
606 | return "const " + cname; | |
607 | } else { | |
608 | return cname; | |
609 | } | |
610 | } | |
611 | ||
612 | // check for a namespace | |
613 | t_program* tprogram = ttype->get_program(); | |
614 | string pname = (tprogram ? tprogram->get_namespace("c_glib") : "") + ttype->get_name(); | |
615 | ||
616 | if (is_complex_type(ttype)) { | |
617 | pname += " *"; | |
618 | } | |
619 | ||
620 | if (is_const) { | |
621 | return "const " + pname; | |
622 | } else { | |
623 | return pname; | |
624 | } | |
625 | } | |
626 | ||
627 | /** | |
628 | * Maps a Thrift primitive to the type needed to hold its value when used as an | |
629 | * object property. | |
630 | * | |
631 | * This method is needed because all integer properties of width less than 64 | |
632 | * bits map to the same type, gint, as opposed to their width-specific type | |
633 | * (gint8, gint16 or gint32). | |
634 | */ | |
635 | string t_c_glib_generator::property_type_name(t_type* ttype, bool in_typedef, bool is_const) { | |
636 | string result; | |
637 | ||
638 | if (ttype->is_base_type()) { | |
639 | switch (((t_base_type*)ttype)->get_base()) { | |
640 | case t_base_type::TYPE_I8: | |
641 | case t_base_type::TYPE_I16: | |
642 | case t_base_type::TYPE_I32: | |
643 | if (is_const) { | |
644 | result = "const gint"; | |
645 | } else { | |
646 | result = "gint"; | |
647 | } | |
648 | break; | |
649 | ||
650 | default: | |
651 | result = type_name(ttype, in_typedef, is_const); | |
652 | } | |
653 | } else { | |
654 | result = type_name(ttype, in_typedef, is_const); | |
655 | } | |
656 | ||
657 | return result; | |
658 | } | |
659 | ||
660 | /** | |
661 | * Maps a Thrift primitive to a C primitive. | |
662 | */ | |
663 | string t_c_glib_generator::base_type_name(t_type* type) { | |
664 | if (type->is_enum()) { | |
665 | return type_name(type); | |
666 | } | |
667 | if (!type->is_base_type()) { | |
668 | throw std::invalid_argument("Only base types are suppported."); | |
669 | } | |
670 | t_base_type* base_type = reinterpret_cast<t_base_type*>(type); | |
671 | t_base_type::t_base tbase = base_type->get_base(); | |
672 | switch (tbase) { | |
673 | case t_base_type::TYPE_VOID: | |
674 | return "void"; | |
675 | case t_base_type::TYPE_STRING: | |
676 | if (base_type->is_binary()) { | |
677 | return "GByteArray *"; | |
678 | } else { | |
679 | return "gchar *"; | |
680 | } | |
681 | case t_base_type::TYPE_BOOL: | |
682 | return "gboolean"; | |
683 | case t_base_type::TYPE_I8: | |
684 | return "gint8"; | |
685 | case t_base_type::TYPE_I16: | |
686 | return "gint16"; | |
687 | case t_base_type::TYPE_I32: | |
688 | return "gint32"; | |
689 | case t_base_type::TYPE_I64: | |
690 | return "gint64"; | |
691 | case t_base_type::TYPE_DOUBLE: | |
692 | return "gdouble"; | |
693 | default: | |
694 | throw std::logic_error("compiler error: no C base type name for base type " | |
695 | + t_base_type::t_base_name(tbase)); | |
696 | } | |
697 | } | |
698 | ||
699 | /** | |
700 | * Returns a member of the ThriftType C enumeration in thrift_protocol.h | |
701 | * for a Thrift type. | |
702 | */ | |
703 | string t_c_glib_generator::type_to_enum(t_type* type) { | |
704 | type = get_true_type(type); | |
705 | ||
706 | if (type->is_base_type()) { | |
707 | t_base_type::t_base tbase = ((t_base_type*)type)->get_base(); | |
708 | ||
709 | switch (tbase) { | |
710 | case t_base_type::TYPE_VOID: | |
711 | throw "NO T_VOID CONSTRUCT"; | |
712 | case t_base_type::TYPE_STRING: | |
713 | return "T_STRING"; | |
714 | case t_base_type::TYPE_BOOL: | |
715 | return "T_BOOL"; | |
716 | case t_base_type::TYPE_I8: | |
717 | return "T_BYTE"; | |
718 | case t_base_type::TYPE_I16: | |
719 | return "T_I16"; | |
720 | case t_base_type::TYPE_I32: | |
721 | return "T_I32"; | |
722 | case t_base_type::TYPE_I64: | |
723 | return "T_I64"; | |
724 | case t_base_type::TYPE_DOUBLE: | |
725 | return "T_DOUBLE"; | |
726 | } | |
727 | } else if (type->is_enum()) { | |
728 | return "T_I32"; | |
729 | } else if (type->is_struct()) { | |
730 | return "T_STRUCT"; | |
731 | } else if (type->is_xception()) { | |
732 | return "T_STRUCT"; | |
733 | } else if (type->is_map()) { | |
734 | return "T_MAP"; | |
735 | } else if (type->is_set()) { | |
736 | return "T_SET"; | |
737 | } else if (type->is_list()) { | |
738 | return "T_LIST"; | |
739 | } | |
740 | ||
741 | throw "INVALID TYPE IN type_to_enum: " + type->get_name(); | |
742 | } | |
743 | ||
744 | /** | |
745 | * Returns a Thrift constant formatted as a literal for inclusion in C code. | |
746 | */ | |
747 | string t_c_glib_generator::constant_literal(t_type* type, t_const_value* value) { | |
748 | ostringstream render; | |
749 | ||
750 | if (type->is_base_type()) { | |
751 | /* primitives */ | |
752 | t_base_type::t_base tbase = ((t_base_type*)type)->get_base(); | |
753 | ||
754 | switch (tbase) { | |
755 | case t_base_type::TYPE_STRING: | |
756 | render << "\"" + value->get_string() + "\""; | |
757 | break; | |
758 | case t_base_type::TYPE_BOOL: | |
759 | render << ((value->get_integer() != 0) ? "TRUE" : "FALSE"); | |
760 | break; | |
761 | case t_base_type::TYPE_I8: | |
762 | case t_base_type::TYPE_I16: | |
763 | case t_base_type::TYPE_I32: | |
764 | case t_base_type::TYPE_I64: | |
765 | render << value->get_integer(); | |
766 | break; | |
767 | case t_base_type::TYPE_DOUBLE: | |
768 | render << value->get_double(); | |
769 | break; | |
770 | default: | |
771 | throw "compiler error: no const of base type " + t_base_type::t_base_name(tbase); | |
772 | } | |
773 | } else { | |
774 | t_const_value::t_const_value_type value_type = value->get_type(); | |
775 | ||
776 | switch (value_type) { | |
777 | case t_const_value::CV_IDENTIFIER: | |
778 | render << value->get_integer(); | |
779 | break; | |
780 | case t_const_value::CV_LIST: | |
781 | render << "{ "; | |
782 | { | |
783 | t_type* elem_type = ((t_list*)type)->get_elem_type(); | |
784 | const vector<t_const_value*>& list = value->get_list(); | |
785 | vector<t_const_value*>::const_iterator list_iter; | |
786 | ||
787 | if (list.size() > 0) { | |
788 | list_iter = list.begin(); | |
789 | render << constant_literal(elem_type, *list_iter); | |
790 | ||
791 | while (++list_iter != list.end()) { | |
792 | render << ", " << constant_literal(elem_type, *list_iter); | |
793 | } | |
794 | } | |
795 | } | |
796 | render << " }"; | |
797 | break; | |
798 | case t_const_value::CV_MAP: | |
799 | default: | |
800 | render << "NULL /* not supported */"; | |
801 | } | |
802 | } | |
803 | ||
804 | return render.str(); | |
805 | } | |
806 | ||
807 | /** | |
808 | * Returns C code that represents a Thrift constant. | |
809 | */ | |
810 | string t_c_glib_generator::constant_value(string name, t_type* type, t_const_value* value) { | |
811 | ostringstream render; | |
812 | ||
813 | if (type->is_base_type()) { | |
814 | /* primitives */ | |
815 | t_base_type::t_base tbase = ((t_base_type*)type)->get_base(); | |
816 | switch (tbase) { | |
817 | case t_base_type::TYPE_STRING: | |
818 | render << "g_strdup (\"" + value->get_string() + "\")"; | |
819 | break; | |
820 | case t_base_type::TYPE_BOOL: | |
821 | render << ((value->get_integer() != 0) ? 1 : 0); | |
822 | break; | |
823 | case t_base_type::TYPE_I8: | |
824 | case t_base_type::TYPE_I16: | |
825 | case t_base_type::TYPE_I32: | |
826 | render << value->get_integer(); | |
827 | break; | |
828 | case t_base_type::TYPE_I64: | |
829 | render << "G_GINT64_CONSTANT (" << value->get_integer() << ")"; | |
830 | break; | |
831 | case t_base_type::TYPE_DOUBLE: | |
832 | if (value->get_type() == t_const_value::CV_INTEGER) { | |
833 | render << value->get_integer(); | |
834 | } else { | |
835 | render << value->get_double(); | |
836 | } | |
837 | break; | |
838 | default: | |
839 | throw "compiler error: no const of base type " + t_base_type::t_base_name(tbase); | |
840 | } | |
841 | } else if (type->is_enum()) { | |
842 | render << "(" << type_name(type) << ")" << value->get_integer(); | |
843 | } else if (is_complex_type(type)) { | |
844 | render << "(" << this->nspace_lc << to_lower_case(name) << "_constant())"; | |
845 | } else { | |
846 | render << "NULL /* not supported */"; | |
847 | } | |
848 | ||
849 | return render.str(); | |
850 | } | |
851 | ||
852 | /** | |
853 | * Renders a function signature of the form 'type name(args)' | |
854 | * | |
855 | * @param tfunction Function definition | |
856 | * @return String of rendered function definition | |
857 | */ | |
858 | string t_c_glib_generator::function_signature(t_function* tfunction) { | |
859 | t_type* ttype = tfunction->get_returntype(); | |
860 | t_struct* arglist = tfunction->get_arglist(); | |
861 | t_struct* xlist = tfunction->get_xceptions(); | |
862 | string fname = initial_caps_to_underscores(tfunction->get_name()); | |
863 | ||
864 | bool has_return = !ttype->is_void(); | |
865 | bool has_args = arglist->get_members().size() == 0; | |
866 | bool has_xceptions = xlist->get_members().size() == 0; | |
867 | return "gboolean " + this->nspace_lc + fname + " (" + this->nspace + service_name_ + "If * iface" | |
868 | + (has_return ? ", " + type_name(ttype) + "* _return" : "") | |
869 | + (has_args ? "" : (", " + argument_list(arglist))) | |
870 | + (has_xceptions ? "" : (", " + xception_list(xlist))) + ", GError ** error)"; | |
871 | } | |
872 | ||
873 | /** | |
874 | * Renders a field list | |
875 | * | |
876 | * @param tstruct The struct definition | |
877 | * @return Comma sepearated list of all field names in that struct | |
878 | */ | |
879 | string t_c_glib_generator::argument_list(t_struct* tstruct) { | |
880 | string result = ""; | |
881 | ||
882 | const vector<t_field*>& fields = tstruct->get_members(); | |
883 | vector<t_field*>::const_iterator f_iter; | |
884 | bool first = true; | |
885 | for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { | |
886 | if (first) { | |
887 | first = false; | |
888 | } else { | |
889 | result += ", "; | |
890 | } | |
891 | result += type_name((*f_iter)->get_type(), false, true) + " " + (*f_iter)->get_name(); | |
892 | } | |
893 | return result; | |
894 | } | |
895 | ||
896 | /** | |
897 | * Renders mutable exception lists | |
898 | * | |
899 | * @param tstruct The struct definition | |
900 | * @return Comma sepearated list of all field names in that struct | |
901 | */ | |
902 | string t_c_glib_generator::xception_list(t_struct* tstruct) { | |
903 | string result = ""; | |
904 | ||
905 | const vector<t_field*>& fields = tstruct->get_members(); | |
906 | vector<t_field*>::const_iterator f_iter; | |
907 | bool first = true; | |
908 | for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { | |
909 | if (first) { | |
910 | first = false; | |
911 | } else { | |
912 | result += ", "; | |
913 | } | |
914 | result += type_name((*f_iter)->get_type(), false, false) + "* " + (*f_iter)->get_name(); | |
915 | } | |
916 | return result; | |
917 | } | |
918 | ||
919 | /** | |
920 | * Declares a field, including any necessary initialization. | |
921 | */ | |
922 | string t_c_glib_generator::declare_field(t_field* tfield, | |
923 | bool init, | |
924 | bool pointer, | |
925 | bool constant, | |
926 | bool reference) { | |
927 | string result = ""; | |
928 | if (constant) { | |
929 | result += "const "; | |
930 | } | |
931 | result += type_name(tfield->get_type()); | |
932 | if (pointer) { | |
933 | result += "*"; | |
934 | } | |
935 | if (reference) { | |
936 | result += "*"; | |
937 | } | |
938 | result += " " + tfield->get_name(); | |
939 | if (init) { | |
940 | t_type* type = get_true_type(tfield->get_type()); | |
941 | ||
942 | if (type->is_base_type()) { | |
943 | t_base_type::t_base tbase = ((t_base_type*)type)->get_base(); | |
944 | switch (tbase) { | |
945 | case t_base_type::TYPE_VOID: | |
946 | break; | |
947 | case t_base_type::TYPE_BOOL: | |
948 | case t_base_type::TYPE_I8: | |
949 | case t_base_type::TYPE_I16: | |
950 | case t_base_type::TYPE_I32: | |
951 | case t_base_type::TYPE_I64: | |
952 | result += " = 0"; | |
953 | break; | |
954 | case t_base_type::TYPE_DOUBLE: | |
955 | result += " = (gdouble) 0"; | |
956 | break; | |
957 | case t_base_type::TYPE_STRING: | |
958 | result += " = NULL"; | |
959 | break; | |
960 | default: | |
961 | throw "compiler error: no C intializer for base type " + t_base_type::t_base_name(tbase); | |
962 | } | |
963 | } else if (type->is_enum()) { | |
964 | result += " = (" + type_name(type) + ") 0"; | |
965 | } else if (type->is_struct() || type->is_container()) { | |
966 | result += " = NULL"; | |
967 | } | |
968 | } | |
969 | ||
970 | if (!reference) { | |
971 | result += ";"; | |
972 | } | |
973 | ||
974 | return result; | |
975 | } | |
976 | ||
977 | string t_c_glib_generator::constant_value_with_storage(string fname, | |
978 | t_type* etype, | |
979 | t_const_value* value) { | |
980 | ostringstream render; | |
981 | if (is_numeric(etype)) { | |
982 | render << " " << type_name(etype) << " *" << fname << " = " | |
983 | << "g_new (" << base_type_name(etype) << ", 1);" << endl | |
984 | << " *" << fname << " = " << constant_value(fname, (t_type*)etype, value) << ";" | |
985 | << endl; | |
986 | } else { | |
987 | render << " " << type_name(etype) << " " << fname << " = " | |
988 | << constant_value(fname, (t_type*)etype, value) << ";" << endl; | |
989 | } | |
990 | return render.str(); | |
991 | } | |
992 | ||
993 | /** | |
994 | * Generates C code that initializes complex constants. | |
995 | */ | |
996 | void t_c_glib_generator::generate_const_initializer(string name, | |
997 | t_type* type, | |
998 | t_const_value* value, | |
999 | bool top_level) { | |
1000 | string name_u = initial_caps_to_underscores(name); | |
1001 | string name_lc = to_lower_case(name_u); | |
1002 | string type_u = initial_caps_to_underscores(type->get_name()); | |
1003 | string type_uc = to_upper_case(type_u); | |
1004 | string maybe_static = top_level ? "" : "static "; | |
1005 | ||
1006 | if (type->is_struct() || type->is_xception()) { | |
1007 | const vector<t_field*>& fields = ((t_struct*)type)->get_members(); | |
1008 | vector<t_field*>::const_iterator f_iter; | |
1009 | const map<t_const_value*, t_const_value*, t_const_value::value_compare>& val = value->get_map(); | |
1010 | map<t_const_value*, t_const_value*, t_const_value::value_compare>::const_iterator v_iter; | |
1011 | ostringstream initializers; | |
1012 | ||
1013 | // initialize any constants that may be referenced by this initializer | |
1014 | for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) { | |
1015 | t_type* field_type = NULL; | |
1016 | string field_name = ""; | |
1017 | ||
1018 | for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { | |
1019 | if ((*f_iter)->get_name() == v_iter->first->get_string()) { | |
1020 | field_type = (*f_iter)->get_type(); | |
1021 | field_name = (*f_iter)->get_name(); | |
1022 | break; | |
1023 | } | |
1024 | } | |
1025 | if (field_type == NULL) { | |
1026 | throw "type error: " + type->get_name() + " has no field " | |
1027 | + v_iter->first->get_string(); | |
1028 | } | |
1029 | field_name = tmp(field_name); | |
1030 | ||
1031 | generate_const_initializer(name + "_constant_" + field_name, | |
1032 | field_type, | |
1033 | v_iter->second); | |
1034 | initializers << " constant->" << v_iter->first->get_string() << " = " | |
1035 | << constant_value(name + "_constant_" + field_name, | |
1036 | field_type, | |
1037 | v_iter->second) << ";" << endl | |
1038 | << " constant->__isset_" << v_iter->first->get_string() | |
1039 | << " = TRUE;" << endl; | |
1040 | } | |
1041 | ||
1042 | // implement the initializer | |
1043 | f_types_impl_ << maybe_static << this->nspace << type->get_name() << " *" | |
1044 | << endl | |
1045 | << this->nspace_lc << name_lc << "_constant (void)" << endl; | |
1046 | scope_up(f_types_impl_); | |
1047 | f_types_impl_ << indent() << "static " << this->nspace << type->get_name() | |
1048 | << " *constant = NULL;" << endl | |
1049 | << indent() << "if (constant == NULL)" << endl; | |
1050 | scope_up(f_types_impl_); | |
1051 | f_types_impl_ << indent() << "constant = g_object_new (" << this->nspace_uc | |
1052 | << "TYPE_" << type_uc << ", NULL);" << endl | |
1053 | << initializers.str(); | |
1054 | scope_down(f_types_impl_); | |
1055 | ||
1056 | for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) { | |
1057 | t_type* field_type = NULL; | |
1058 | string field_name = ""; | |
1059 | ||
1060 | for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { | |
1061 | if ((*f_iter)->get_name() == v_iter->first->get_string()) { | |
1062 | field_type = (*f_iter)->get_type(); | |
1063 | field_name = (*f_iter)->get_name(); | |
1064 | break; | |
1065 | } | |
1066 | } | |
1067 | if (field_type == NULL) { | |
1068 | throw "type error: " + type->get_name() + " has no field " | |
1069 | + v_iter->first->get_string(); | |
1070 | } | |
1071 | field_name = tmp(field_name); | |
1072 | } | |
1073 | ||
1074 | f_types_impl_ << indent() << "return constant;" << endl; | |
1075 | scope_down(f_types_impl_); | |
1076 | f_types_impl_ << endl; | |
1077 | } else if (type->is_list()) { | |
1078 | string list_type = "GPtrArray *"; | |
1079 | string free_func | |
1080 | = generate_free_func_from_type(reinterpret_cast<t_list*>(type)->get_elem_type()); | |
1081 | string list_initializer = "g_ptr_array_new_with_free_func (" + free_func + ");"; | |
1082 | string list_appender = "g_ptr_array_add"; | |
1083 | bool list_variable = false; | |
1084 | ||
1085 | t_type* etype = ((t_list*)type)->get_elem_type(); | |
1086 | const vector<t_const_value*>& val = value->get_list(); | |
1087 | vector<t_const_value*>::const_iterator v_iter; | |
1088 | ostringstream initializers; | |
1089 | ostringstream appenders; | |
1090 | ||
1091 | list_initializer = generate_new_array_from_type(etype); | |
1092 | if (etype->is_base_type()) { | |
1093 | t_base_type::t_base tbase = ((t_base_type*)etype)->get_base(); | |
1094 | switch (tbase) { | |
1095 | case t_base_type::TYPE_VOID: | |
1096 | throw "compiler error: cannot determine array type"; | |
1097 | case t_base_type::TYPE_BOOL: | |
1098 | case t_base_type::TYPE_I8: | |
1099 | case t_base_type::TYPE_I16: | |
1100 | case t_base_type::TYPE_I32: | |
1101 | case t_base_type::TYPE_I64: | |
1102 | case t_base_type::TYPE_DOUBLE: | |
1103 | list_type = "GArray *"; | |
1104 | list_appender = "g_array_append_val"; | |
1105 | list_variable = true; | |
1106 | break; | |
1107 | case t_base_type::TYPE_STRING: | |
1108 | break; | |
1109 | default: | |
1110 | throw "compiler error: no array info for type"; | |
1111 | } | |
1112 | } else if (etype->is_enum()) { | |
1113 | list_type = "GArray *"; | |
1114 | list_appender = "g_array_append_val"; | |
1115 | list_variable = true; | |
1116 | } | |
1117 | ||
1118 | for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) { | |
1119 | string fname = tmp(name); | |
1120 | ||
1121 | generate_const_initializer(fname, etype, (*v_iter)); | |
1122 | if (list_variable) { | |
1123 | initializers << " " << type_name(etype) << " " << fname << " = " | |
1124 | << constant_value(fname, (t_type*)etype, (*v_iter)) << ";" | |
1125 | << endl; | |
1126 | appenders << " " << list_appender << "(constant, " << fname << ");" | |
1127 | << endl; | |
1128 | } else { | |
1129 | appenders << " " << list_appender << "(constant, " | |
1130 | << constant_value(fname, (t_type*)etype, (*v_iter)) << ");" | |
1131 | << endl; | |
1132 | } | |
1133 | } | |
1134 | ||
1135 | f_types_impl_ << maybe_static << list_type << endl | |
1136 | << this->nspace_lc << name_lc << "_constant (void)" << endl; | |
1137 | scope_up(f_types_impl_); | |
1138 | f_types_impl_ << indent() << "static " << list_type << " constant = NULL;" | |
1139 | << endl | |
1140 | << indent() << "if (constant == NULL)" << endl; | |
1141 | scope_up(f_types_impl_); | |
1142 | if (!initializers.str().empty()) { | |
1143 | f_types_impl_ << initializers.str() | |
1144 | << endl; | |
1145 | } | |
1146 | f_types_impl_ << indent() << "constant = " << list_initializer << endl | |
1147 | << appenders.str(); | |
1148 | scope_down(f_types_impl_); | |
1149 | f_types_impl_ << indent() << "return constant;" << endl; | |
1150 | scope_down(f_types_impl_); | |
1151 | f_types_impl_ << endl; | |
1152 | } else if (type->is_set()) { | |
1153 | t_type* etype = ((t_set*)type)->get_elem_type(); | |
1154 | const vector<t_const_value*>& val = value->get_list(); | |
1155 | vector<t_const_value*>::const_iterator v_iter; | |
1156 | ostringstream initializers; | |
1157 | ostringstream appenders; | |
1158 | ||
1159 | for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) { | |
1160 | string fname = tmp(name); | |
1161 | string ptr = is_numeric(etype) ? "*" : ""; | |
1162 | generate_const_initializer(fname, etype, (*v_iter)); | |
1163 | initializers << constant_value_with_storage(fname, (t_type*)etype, *v_iter); | |
1164 | appenders << " g_hash_table_insert (constant, " << fname << ", 0);" << endl; | |
1165 | } | |
1166 | ||
1167 | f_types_impl_ << maybe_static << "GHashTable *" << endl | |
1168 | << this->nspace_lc << name_lc << "_constant (void)" << endl; | |
1169 | scope_up(f_types_impl_); | |
1170 | f_types_impl_ << indent() << "static GHashTable *constant = NULL;" << endl | |
1171 | << indent() << "if (constant == NULL)" << endl; | |
1172 | scope_up(f_types_impl_); | |
1173 | f_types_impl_ << initializers.str() << endl | |
1174 | << indent() << "constant = " << generate_new_hash_from_type(etype, NULL) << endl | |
1175 | << appenders.str(); | |
1176 | scope_down(f_types_impl_); | |
1177 | f_types_impl_ << indent() << "return constant;" << endl; | |
1178 | scope_down(f_types_impl_); | |
1179 | f_types_impl_ << endl; | |
1180 | } else if (type->is_map()) { | |
1181 | t_type* ktype = ((t_map*)type)->get_key_type(); | |
1182 | t_type* vtype = ((t_map*)type)->get_val_type(); | |
1183 | const map<t_const_value*, t_const_value*, t_const_value::value_compare>& val = value->get_map(); | |
1184 | map<t_const_value*, t_const_value*, t_const_value::value_compare>::const_iterator v_iter; | |
1185 | ostringstream initializers; | |
1186 | ostringstream appenders; | |
1187 | ||
1188 | for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) { | |
1189 | string fname = tmp(name); | |
1190 | string kname = fname + "key"; | |
1191 | string vname = fname + "val"; | |
1192 | generate_const_initializer(kname, ktype, v_iter->first); | |
1193 | generate_const_initializer(vname, vtype, v_iter->second); | |
1194 | ||
1195 | initializers << constant_value_with_storage(kname, (t_type*)ktype, v_iter->first); | |
1196 | initializers << constant_value_with_storage(vname, (t_type*)vtype, v_iter->second); | |
1197 | appenders << " g_hash_table_insert (constant, " << kname << ", " << vname << ");" << endl; | |
1198 | } | |
1199 | ||
1200 | f_types_impl_ << maybe_static << "GHashTable *" << endl | |
1201 | << this->nspace_lc << name_lc << "_constant (void)" << endl; | |
1202 | scope_up(f_types_impl_); | |
1203 | f_types_impl_ << indent() << "static GHashTable *constant = NULL;" << endl | |
1204 | << indent() << "if (constant == NULL)" << endl; | |
1205 | scope_up(f_types_impl_); | |
1206 | f_types_impl_ << initializers.str() << endl | |
1207 | << indent() << "constant = " << generate_new_hash_from_type(ktype, vtype) << endl | |
1208 | << appenders.str(); | |
1209 | scope_down(f_types_impl_); | |
1210 | f_types_impl_ << indent() << "return constant;" << endl; | |
1211 | scope_down(f_types_impl_); | |
1212 | f_types_impl_ << endl; | |
1213 | } | |
1214 | } | |
1215 | ||
1216 | /** | |
1217 | * Generates helper classes for a service, consisting of a ThriftStruct subclass | |
1218 | * for the arguments to and the result from each method. | |
1219 | * | |
1220 | * @param tservice The service for which to generate helper classes | |
1221 | */ | |
1222 | void t_c_glib_generator::generate_service_helpers(t_service* tservice) { | |
1223 | vector<t_function*> functions = tservice->get_functions(); | |
1224 | vector<t_function*>::iterator function_iter; | |
1225 | ||
1226 | // Iterate through the service's methods | |
1227 | for (function_iter = functions.begin(); function_iter != functions.end(); ++function_iter) { | |
1228 | string function_name = (*function_iter)->get_name(); | |
1229 | t_struct* arg_list = (*function_iter)->get_arglist(); | |
1230 | string arg_list_name_orig = arg_list->get_name(); | |
1231 | ||
1232 | // Generate the arguments class | |
1233 | arg_list->set_name(tservice->get_name() + underscores_to_initial_caps(function_name) + "Args"); | |
1234 | generate_struct(arg_list); | |
1235 | ||
1236 | arg_list->set_name(arg_list_name_orig); | |
1237 | ||
1238 | // Generate the result class | |
1239 | if (!(*function_iter)->is_oneway()) { | |
1240 | t_struct result(program_, | |
1241 | tservice->get_name() + underscores_to_initial_caps(function_name) + "Result"); | |
1242 | t_field success((*function_iter)->get_returntype(), "success", 0); | |
1243 | success.set_req(t_field::T_OPTIONAL); | |
1244 | if (!(*function_iter)->get_returntype()->is_void()) { | |
1245 | result.append(&success); | |
1246 | } | |
1247 | ||
1248 | t_struct* xs = (*function_iter)->get_xceptions(); | |
1249 | const vector<t_field*>& fields = xs->get_members(); | |
1250 | vector<t_field*>::const_iterator field_iter; | |
1251 | for (field_iter = fields.begin(); field_iter != fields.end(); ++field_iter) { | |
1252 | (*field_iter)->set_req(t_field::T_OPTIONAL); | |
1253 | result.append(*field_iter); | |
1254 | } | |
1255 | ||
1256 | generate_struct(&result); | |
1257 | } | |
1258 | } | |
1259 | } | |
1260 | ||
1261 | /** | |
1262 | * Generates C code that represents a Thrift service client. | |
1263 | */ | |
1264 | void t_c_glib_generator::generate_service_client(t_service* tservice) { | |
1265 | /* get some C friendly service names */ | |
1266 | string service_name_lc = to_lower_case(initial_caps_to_underscores(service_name_)); | |
1267 | string service_name_uc = to_upper_case(service_name_lc); | |
1268 | ||
1269 | string parent_service_name; | |
1270 | string parent_service_name_lc; | |
1271 | string parent_service_name_uc; | |
1272 | ||
1273 | string parent_class_name = "GObject"; | |
1274 | string parent_type_name = "G_TYPE_OBJECT"; | |
1275 | ||
1276 | // The service this service extends, or NULL if it extends no | |
1277 | // service | |
1278 | t_service* extends_service = tservice->get_extends(); | |
1279 | if (extends_service) { | |
1280 | // The name of the parent service | |
1281 | parent_service_name = extends_service->get_name(); | |
1282 | parent_service_name_lc = to_lower_case(initial_caps_to_underscores(parent_service_name)); | |
1283 | parent_service_name_uc = to_upper_case(parent_service_name_lc); | |
1284 | ||
1285 | // The names of the client class' parent class and type | |
1286 | parent_class_name = this->nspace + parent_service_name + "Client"; | |
1287 | parent_type_name = this->nspace_uc + "TYPE_" + parent_service_name_uc + "_CLIENT"; | |
1288 | } | |
1289 | ||
1290 | // The base service (the topmost in the "extends" hierarchy), on | |
1291 | // whose client class the "input_protocol" and "output_protocol" | |
1292 | // properties are defined | |
1293 | t_service* base_service = tservice; | |
1294 | while (base_service->get_extends()) { | |
1295 | base_service = base_service->get_extends(); | |
1296 | } | |
1297 | ||
1298 | string base_service_name = base_service->get_name(); | |
1299 | string base_service_name_lc = to_lower_case(initial_caps_to_underscores(base_service_name)); | |
1300 | string base_service_name_uc = to_upper_case(base_service_name_lc); | |
1301 | ||
1302 | // Generate the client interface dummy object in the header. | |
1303 | f_header_ << "/* " << service_name_ << " service interface */" << endl << "typedef struct _" | |
1304 | << this->nspace << service_name_ << "If " << this->nspace << service_name_ << "If; " | |
1305 | << " /* dummy object */" << endl << endl; | |
1306 | ||
1307 | // Generate the client interface object in the header. | |
1308 | f_header_ << "struct _" << this->nspace << service_name_ << "IfInterface" << endl << "{" << endl | |
1309 | << " GTypeInterface parent;" << endl << endl; | |
1310 | ||
1311 | /* write out the functions for this interface */ | |
1312 | indent_up(); | |
1313 | vector<t_function*> functions = tservice->get_functions(); | |
1314 | vector<t_function*>::const_iterator f_iter; | |
1315 | for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) { | |
1316 | /* make the function name C friendly */ | |
1317 | string funname = initial_caps_to_underscores((*f_iter)->get_name()); | |
1318 | t_type* ttype = (*f_iter)->get_returntype(); | |
1319 | t_struct* arglist = (*f_iter)->get_arglist(); | |
1320 | t_struct* xlist = (*f_iter)->get_xceptions(); | |
1321 | bool has_return = !ttype->is_void(); | |
1322 | bool has_args = arglist->get_members().size() == 0; | |
1323 | bool has_xceptions = xlist->get_members().size() == 0; | |
1324 | ||
1325 | string params = "(" + this->nspace + service_name_ + "If *iface" | |
1326 | + (has_return ? ", " + type_name(ttype) + "* _return" : "") | |
1327 | + (has_args ? "" : (", " + argument_list(arglist))) | |
1328 | + (has_xceptions ? "" : (", " + xception_list(xlist))) + ", GError **error)"; | |
1329 | ||
1330 | indent(f_header_) << "gboolean (*" << funname << ") " << params << ";" << endl; | |
1331 | } | |
1332 | indent_down(); | |
1333 | ||
1334 | f_header_ << "};" << endl << "typedef struct _" << this->nspace << service_name_ << "IfInterface " | |
1335 | << this->nspace << service_name_ << "IfInterface;" << endl << endl; | |
1336 | ||
1337 | // generate all the interface boilerplate | |
1338 | f_header_ << "GType " << this->nspace_lc << service_name_lc << "_if_get_type (void);" << endl | |
1339 | << "#define " << this->nspace_uc << "TYPE_" << service_name_uc << "_IF " | |
1340 | << "(" << this->nspace_lc << service_name_lc << "_if_get_type())" << endl << "#define " | |
1341 | << this->nspace_uc << service_name_uc << "_IF(obj) " | |
1342 | << "(G_TYPE_CHECK_INSTANCE_CAST ((obj), " << this->nspace_uc << "TYPE_" | |
1343 | << service_name_uc << "_IF, " << this->nspace << service_name_ << "If))" << endl | |
1344 | << "#define " << this->nspace_uc << "IS_" << service_name_uc << "_IF(obj) " | |
1345 | << "(G_TYPE_CHECK_INSTANCE_TYPE ((obj), " << this->nspace_uc << "TYPE_" | |
1346 | << service_name_uc << "_IF))" << endl << "#define " << this->nspace_uc | |
1347 | << service_name_uc << "_IF_GET_INTERFACE(inst) (G_TYPE_INSTANCE_GET_INTERFACE ((inst), " | |
1348 | << this->nspace_uc << "TYPE_" << service_name_uc << "_IF, " << this->nspace | |
1349 | << service_name_ << "IfInterface))" << endl << endl; | |
1350 | ||
1351 | // write out all the interface function prototypes | |
1352 | for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) { | |
1353 | /* make the function name C friendly */ | |
1354 | string funname = initial_caps_to_underscores((*f_iter)->get_name()); | |
1355 | t_type* ttype = (*f_iter)->get_returntype(); | |
1356 | t_struct* arglist = (*f_iter)->get_arglist(); | |
1357 | t_struct* xlist = (*f_iter)->get_xceptions(); | |
1358 | bool has_return = !ttype->is_void(); | |
1359 | bool has_args = arglist->get_members().size() == 0; | |
1360 | bool has_xceptions = xlist->get_members().size() == 0; | |
1361 | ||
1362 | string params = "(" + this->nspace + service_name_ + "If *iface" | |
1363 | + (has_return ? ", " + type_name(ttype) + "* _return" : "") | |
1364 | + (has_args ? "" : (", " + argument_list(arglist))) | |
1365 | + (has_xceptions ? "" : (", " + xception_list(xlist))) + ", GError **error)"; | |
1366 | ||
1367 | f_header_ << "gboolean " << this->nspace_lc << service_name_lc << "_if_" << funname << " " | |
1368 | << params << ";" << endl; | |
1369 | } | |
1370 | f_header_ << endl; | |
1371 | ||
1372 | // Generate the client object instance definition in the header. | |
1373 | f_header_ << "/* " << service_name_ << " service client */" << endl << "struct _" << this->nspace | |
1374 | << service_name_ << "Client" << endl << "{" << endl << " " << parent_class_name | |
1375 | << " parent;" << endl; | |
1376 | if (!extends_service) { | |
1377 | // Define "input_protocol" and "output_protocol" properties only | |
1378 | // for base services; child service-client classes will inherit | |
1379 | // these | |
1380 | f_header_ << endl << " ThriftProtocol *input_protocol;" << endl | |
1381 | << " ThriftProtocol *output_protocol;" << endl; | |
1382 | } | |
1383 | f_header_ << "};" << endl << "typedef struct _" << this->nspace << service_name_ << "Client " | |
1384 | << this->nspace << service_name_ << "Client;" << endl << endl; | |
1385 | ||
1386 | // Generate the class definition in the header. | |
1387 | f_header_ << "struct _" << this->nspace << service_name_ << "ClientClass" << endl << "{" << endl | |
1388 | << " " << parent_class_name << "Class parent;" << endl << "};" << endl | |
1389 | << "typedef struct _" << this->nspace << service_name_ << "ClientClass " << this->nspace | |
1390 | << service_name_ << "ClientClass;" << endl << endl; | |
1391 | ||
1392 | // Create all the GObject boilerplate | |
1393 | f_header_ << "GType " << this->nspace_lc << service_name_lc << "_client_get_type (void);" << endl | |
1394 | << "#define " << this->nspace_uc << "TYPE_" << service_name_uc << "_CLIENT " | |
1395 | << "(" << this->nspace_lc << service_name_lc << "_client_get_type())" << endl | |
1396 | << "#define " << this->nspace_uc << service_name_uc << "_CLIENT(obj) " | |
1397 | << "(G_TYPE_CHECK_INSTANCE_CAST ((obj), " << this->nspace_uc << "TYPE_" | |
1398 | << service_name_uc << "_CLIENT, " << this->nspace << service_name_ << "Client))" << endl | |
1399 | << "#define " << this->nspace_uc << service_name_uc << "_CLIENT_CLASS(c) " | |
1400 | << "(G_TYPE_CHECK_CLASS_CAST ((c), " << this->nspace_uc << "TYPE_" << service_name_uc | |
1401 | << "_CLIENT, " << this->nspace << service_name_ << "ClientClass))" << endl << "#define " | |
1402 | << this->nspace_uc << service_name_uc << "_IS_CLIENT(obj) " | |
1403 | << "(G_TYPE_CHECK_INSTANCE_TYPE ((obj), " << this->nspace_uc << "TYPE_" | |
1404 | << service_name_uc << "_CLIENT))" << endl << "#define " << this->nspace_uc | |
1405 | << service_name_uc << "_IS_CLIENT_CLASS(c) " | |
1406 | << "(G_TYPE_CHECK_CLASS_TYPE ((c), " << this->nspace_uc << "TYPE_" << service_name_uc | |
1407 | << "_CLIENT))" << endl << "#define " << this->nspace_uc << service_name_uc | |
1408 | << "_CLIENT_GET_CLASS(obj) " | |
1409 | << "(G_TYPE_INSTANCE_GET_CLASS ((obj), " << this->nspace_uc << "TYPE_" | |
1410 | << service_name_uc << "_CLIENT, " << this->nspace << service_name_ << "ClientClass))" | |
1411 | << endl << endl; | |
1412 | ||
1413 | /* write out the function prototypes */ | |
1414 | for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) { | |
1415 | /* make the function name C friendly */ | |
1416 | string funname = to_lower_case(initial_caps_to_underscores((*f_iter)->get_name())); | |
1417 | ||
1418 | t_function service_function((*f_iter)->get_returntype(), | |
1419 | service_name_lc + string("_client_") + funname, | |
1420 | (*f_iter)->get_arglist(), | |
1421 | (*f_iter)->get_xceptions()); | |
1422 | indent(f_header_) << function_signature(&service_function) << ";" << endl; | |
1423 | ||
1424 | t_function send_function(g_type_void, | |
1425 | service_name_lc + string("_client_send_") + funname, | |
1426 | (*f_iter)->get_arglist()); | |
1427 | indent(f_header_) << function_signature(&send_function) << ";" << endl; | |
1428 | ||
1429 | // implement recv if not a oneway service | |
1430 | if (!(*f_iter)->is_oneway()) { | |
1431 | t_struct noargs(program_); | |
1432 | t_function recv_function((*f_iter)->get_returntype(), | |
1433 | service_name_lc + string("_client_recv_") + funname, | |
1434 | &noargs, | |
1435 | (*f_iter)->get_xceptions()); | |
1436 | indent(f_header_) << function_signature(&recv_function) << ";" << endl; | |
1437 | } | |
1438 | } | |
1439 | ||
1440 | /* write out the get/set function prototypes */ | |
1441 | f_header_ << "void " + service_name_lc + "_client_set_property (GObject *object, guint " | |
1442 | "property_id, const GValue *value, GParamSpec *pspec);" | |
1443 | << endl; | |
1444 | f_header_ << "void " + service_name_lc + "_client_get_property (GObject *object, guint " | |
1445 | "property_id, GValue *value, GParamSpec *pspec);" | |
1446 | << endl; | |
1447 | ||
1448 | f_header_ << endl; | |
1449 | // end of header code | |
1450 | ||
1451 | // Generate interface method implementations | |
1452 | for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) { | |
1453 | /* make the function name C friendly */ | |
1454 | string funname = initial_caps_to_underscores((*f_iter)->get_name()); | |
1455 | t_type* ttype = (*f_iter)->get_returntype(); | |
1456 | t_struct* arglist = (*f_iter)->get_arglist(); | |
1457 | t_struct* xlist = (*f_iter)->get_xceptions(); | |
1458 | bool has_return = !ttype->is_void(); | |
1459 | bool has_args = arglist->get_members().size() == 0; | |
1460 | bool has_xceptions = xlist->get_members().size() == 0; | |
1461 | ||
1462 | string params = "(" + this->nspace + service_name_ + "If *iface" | |
1463 | + (has_return ? ", " + type_name(ttype) + "* _return" : "") | |
1464 | + (has_args ? "" : (", " + argument_list(arglist))) | |
1465 | + (has_xceptions ? "" : (", " + xception_list(xlist))) + ", GError **error)"; | |
1466 | ||
1467 | string params_without_type = string("iface, ") + (has_return ? "_return, " : ""); | |
1468 | ||
1469 | const vector<t_field*>& fields = arglist->get_members(); | |
1470 | vector<t_field*>::const_iterator f_iter_field; | |
1471 | for (f_iter_field = fields.begin(); f_iter_field != fields.end(); ++f_iter_field) { | |
1472 | params_without_type += (*f_iter_field)->get_name(); | |
1473 | params_without_type += ", "; | |
1474 | } | |
1475 | ||
1476 | const vector<t_field*>& xceptions = xlist->get_members(); | |
1477 | vector<t_field*>::const_iterator x_iter; | |
1478 | for (x_iter = xceptions.begin(); x_iter != xceptions.end(); ++x_iter) { | |
1479 | params_without_type += (*x_iter)->get_name(); | |
1480 | params_without_type += ", "; | |
1481 | } | |
1482 | ||
1483 | f_service_ << "gboolean" << endl << this->nspace_lc << service_name_lc << "_if_" << funname | |
1484 | << " " << params << endl << "{" << endl << " return " << this->nspace_uc | |
1485 | << service_name_uc << "_IF_GET_INTERFACE (iface)->" << funname << " (" | |
1486 | << params_without_type << "error);" << endl << "}" << endl << endl; | |
1487 | } | |
1488 | ||
1489 | // Generate interface boilerplate | |
1490 | f_service_ << "GType" << endl << this->nspace_lc << service_name_lc << "_if_get_type (void)" | |
1491 | << endl << "{" << endl << " static GType type = 0;" << endl << " if (type == 0)" | |
1492 | << endl << " {" << endl << " static const GTypeInfo type_info =" << endl << " {" | |
1493 | << endl << " sizeof (" << this->nspace << service_name_ << "IfInterface)," << endl | |
1494 | << " NULL, /* base_init */" << endl << " NULL, /* base_finalize */" << endl | |
1495 | << " NULL, /* class_init */" << endl << " NULL, /* class_finalize */" | |
1496 | << endl << " NULL, /* class_data */" << endl | |
1497 | << " 0, /* instance_size */" << endl << " 0, /* n_preallocs */" | |
1498 | << endl << " NULL, /* instance_init */" << endl | |
1499 | << " NULL /* value_table */" << endl << " };" << endl | |
1500 | << " type = g_type_register_static (G_TYPE_INTERFACE," << endl | |
1501 | << " \"" << this->nspace << service_name_ << "If\"," | |
1502 | << endl << " &type_info, 0);" << endl << " }" | |
1503 | << endl << " return type;" << endl << "}" << endl << endl; | |
1504 | ||
1505 | // Generate client boilerplate | |
1506 | f_service_ << "static void " << endl << this->nspace_lc << service_name_lc | |
1507 | << "_if_interface_init (" << this->nspace << service_name_ << "IfInterface *iface);" | |
1508 | << endl << endl << "G_DEFINE_TYPE_WITH_CODE (" << this->nspace << service_name_ | |
1509 | << "Client, " << this->nspace_lc << service_name_lc << "_client," << endl | |
1510 | << " " << parent_type_name << ", " << endl | |
1511 | << " G_IMPLEMENT_INTERFACE (" << this->nspace_uc << "TYPE_" | |
1512 | << service_name_uc << "_IF," << endl | |
1513 | << " " << this->nspace_lc | |
1514 | << service_name_lc << "_if_interface_init))" << endl << endl; | |
1515 | ||
1516 | // Generate property-related code only for base services---child | |
1517 | // service-client classes have only properties inherited from their | |
1518 | // parent class | |
1519 | if (!extends_service) { | |
1520 | // Generate client properties | |
1521 | f_service_ << "enum _" << this->nspace << service_name_ << "ClientProperties" << endl << "{" | |
1522 | << endl << " PROP_0," << endl << " PROP_" << this->nspace_uc << service_name_uc | |
1523 | << "_CLIENT_INPUT_PROTOCOL," << endl << " PROP_" << this->nspace_uc | |
1524 | << service_name_uc << "_CLIENT_OUTPUT_PROTOCOL" << endl << "};" << endl << endl; | |
1525 | ||
1526 | // generate property setter | |
1527 | f_service_ << "void" << endl << this->nspace_lc << service_name_lc << "_client_set_property (" | |
1528 | << "GObject *object, guint property_id, const GValue *value, " | |
1529 | << "GParamSpec *pspec)" << endl << "{" << endl << " " << this->nspace | |
1530 | << service_name_ << "Client *client = " << this->nspace_uc << service_name_uc | |
1531 | << "_CLIENT (object);" << endl << endl << " THRIFT_UNUSED_VAR (pspec);" << endl | |
1532 | << endl << " switch (property_id)" << endl << " {" << endl << " case PROP_" | |
1533 | << this->nspace_uc << service_name_uc << "_CLIENT_INPUT_PROTOCOL:" << endl | |
1534 | << " client->input_protocol = g_value_get_object (value);" << endl | |
1535 | << " break;" << endl << " case PROP_" << this->nspace_uc << service_name_uc | |
1536 | << "_CLIENT_OUTPUT_PROTOCOL:" << endl | |
1537 | << " client->output_protocol = g_value_get_object (value);" << endl | |
1538 | << " break;" << endl << " }" << endl << "}" << endl << endl; | |
1539 | ||
1540 | // generate property getter | |
1541 | f_service_ << "void" << endl << this->nspace_lc << service_name_lc << "_client_get_property (" | |
1542 | << "GObject *object, guint property_id, GValue *value, " | |
1543 | << "GParamSpec *pspec)" << endl << "{" << endl << " " << this->nspace | |
1544 | << service_name_ << "Client *client = " << this->nspace_uc << service_name_uc | |
1545 | << "_CLIENT (object);" << endl << endl << " THRIFT_UNUSED_VAR (pspec);" << endl | |
1546 | << endl << " switch (property_id)" << endl << " {" << endl << " case PROP_" | |
1547 | << this->nspace_uc << service_name_uc << "_CLIENT_INPUT_PROTOCOL:" << endl | |
1548 | << " g_value_set_object (value, client->input_protocol);" << endl | |
1549 | << " break;" << endl << " case PROP_" << this->nspace_uc << service_name_uc | |
1550 | << "_CLIENT_OUTPUT_PROTOCOL:" << endl | |
1551 | << " g_value_set_object (value, client->output_protocol);" << endl | |
1552 | << " break;" << endl << " }" << endl << "}" << endl << endl; | |
1553 | } | |
1554 | ||
1555 | // Generate client method implementations | |
1556 | for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) { | |
1557 | string name = (*f_iter)->get_name(); | |
1558 | string funname = initial_caps_to_underscores(name); | |
1559 | ||
1560 | // Get the struct of function call params and exceptions | |
1561 | t_struct* arg_struct = (*f_iter)->get_arglist(); | |
1562 | ||
1563 | // Function for sending | |
1564 | t_function send_function(g_type_void, | |
1565 | service_name_lc + string("_client_send_") + funname, | |
1566 | (*f_iter)->get_arglist()); | |
1567 | ||
1568 | // Open the send function | |
1569 | indent(f_service_) << function_signature(&send_function) << endl; | |
1570 | scope_up(f_service_); | |
1571 | ||
1572 | string reqType = (*f_iter)->is_oneway() ? "T_ONEWAY" : "T_CALL"; | |
1573 | ||
1574 | // Serialize the request | |
1575 | f_service_ << indent() << "gint32 cseqid = 0;" << endl << indent() | |
1576 | << "ThriftProtocol * protocol = " << this->nspace_uc << base_service_name_uc | |
1577 | << "_CLIENT (iface)->output_protocol;" << endl << endl << indent() | |
1578 | << "if (thrift_protocol_write_message_begin (protocol, \"" << name << "\", " | |
1579 | << reqType << ", cseqid, error) < 0)" << endl << indent() << " return FALSE;" | |
1580 | << endl << endl; | |
1581 | ||
1582 | generate_struct_writer(f_service_, arg_struct, "", "", false); | |
1583 | ||
1584 | f_service_ << indent() << "if (thrift_protocol_write_message_end (protocol, error) < 0)" << endl | |
1585 | << indent() << " return FALSE;" << endl << indent() | |
1586 | << "if (!thrift_transport_flush (protocol->transport, error))" << endl << indent() | |
1587 | << " return FALSE;" << endl << indent() | |
1588 | << "if (!thrift_transport_write_end (protocol->transport, error))" << endl | |
1589 | << indent() << " return FALSE;" << endl << endl << indent() << "return TRUE;" | |
1590 | << endl; | |
1591 | ||
1592 | scope_down(f_service_); | |
1593 | f_service_ << endl; | |
1594 | ||
1595 | // Generate recv function only if not an async function | |
1596 | if (!(*f_iter)->is_oneway()) { | |
1597 | t_struct noargs(program_); | |
1598 | t_function recv_function((*f_iter)->get_returntype(), | |
1599 | service_name_lc + string("_client_recv_") + funname, | |
1600 | &noargs, | |
1601 | (*f_iter)->get_xceptions()); | |
1602 | // Open function | |
1603 | indent(f_service_) << function_signature(&recv_function) << endl; | |
1604 | scope_up(f_service_); | |
1605 | ||
1606 | f_service_ << indent() << "gint32 rseqid;" << endl | |
1607 | << indent() << "gchar * fname = NULL;" << endl | |
1608 | << indent() << "ThriftMessageType mtype;" << endl | |
1609 | << indent() << "ThriftProtocol * protocol = " | |
1610 | << this->nspace_uc << base_service_name_uc | |
1611 | << "_CLIENT (iface)->input_protocol;" << endl | |
1612 | << indent() << "ThriftApplicationException *xception;" << endl | |
1613 | << endl | |
1614 | << indent() << "if (thrift_protocol_read_message_begin " | |
1615 | "(protocol, &fname, &mtype, &rseqid, error) < 0) {" << endl; | |
1616 | indent_up(); | |
1617 | f_service_ << indent() << "if (fname) g_free (fname);" << endl | |
1618 | << indent() << "return FALSE;" << endl; | |
1619 | indent_down(); | |
1620 | f_service_ << indent() << "}" << endl | |
1621 | << endl | |
1622 | << indent() << "if (mtype == T_EXCEPTION) {" << endl; | |
1623 | indent_up(); | |
1624 | f_service_ << indent() << "if (fname) g_free (fname);" << endl | |
1625 | << indent() << "xception = g_object_new " | |
1626 | "(THRIFT_TYPE_APPLICATION_EXCEPTION, NULL);" << endl | |
1627 | << indent() << "thrift_struct_read (THRIFT_STRUCT (xception), " | |
1628 | "protocol, NULL);" << endl | |
1629 | << indent() << "thrift_protocol_read_message_end " | |
1630 | "(protocol, NULL);" << endl | |
1631 | << indent() << "thrift_transport_read_end " | |
1632 | "(protocol->transport, NULL);" << endl | |
1633 | << indent() << "g_set_error (error, " | |
1634 | "THRIFT_APPLICATION_EXCEPTION_ERROR,xception->type, " | |
1635 | "\"application error: %s\", xception->message);" << endl | |
1636 | << indent() << "g_object_unref (xception);" << endl | |
1637 | << indent() << "return FALSE;" << endl; | |
1638 | indent_down(); | |
1639 | f_service_ << indent() << "} else if (mtype != T_REPLY) {" << endl; | |
1640 | indent_up(); | |
1641 | f_service_ << indent() << "if (fname) g_free (fname);" << endl | |
1642 | << indent() << "thrift_protocol_skip (protocol, T_STRUCT, " | |
1643 | "NULL);" << endl | |
1644 | << indent() << "thrift_protocol_read_message_end (protocol, " | |
1645 | "NULL);" << endl | |
1646 | << indent() << "thrift_transport_read_end (" | |
1647 | "protocol->transport, NULL);" << endl | |
1648 | << indent() << "g_set_error (error, " | |
1649 | "THRIFT_APPLICATION_EXCEPTION_ERROR, " | |
1650 | "THRIFT_APPLICATION_EXCEPTION_ERROR_INVALID_MESSAGE_TYPE, " | |
1651 | "\"invalid message type %d, expected T_REPLY\", mtype);" | |
1652 | << endl | |
1653 | << indent() << "return FALSE;" << endl; | |
1654 | indent_down(); | |
1655 | f_service_ << indent() << "} else if (strncmp (fname, \"" << name | |
1656 | << "\", " << name.length() << ") != 0) {" << endl; | |
1657 | indent_up(); | |
1658 | f_service_ << indent() << "thrift_protocol_skip (protocol, T_STRUCT, " | |
1659 | "NULL);" << endl | |
1660 | << indent() << "thrift_protocol_read_message_end (protocol," | |
1661 | "error);" << endl | |
1662 | << indent() << "thrift_transport_read_end (" | |
1663 | "protocol->transport, error);" << endl | |
1664 | << indent() << "g_set_error (error, " | |
1665 | "THRIFT_APPLICATION_EXCEPTION_ERROR, " | |
1666 | "THRIFT_APPLICATION_EXCEPTION_ERROR_WRONG_METHOD_NAME, " | |
1667 | "\"wrong method name %s, expected " << name | |
1668 | << "\", fname);" << endl | |
1669 | << indent() << "if (fname) g_free (fname);" << endl | |
1670 | << indent() << "return FALSE;" << endl; | |
1671 | indent_down(); | |
1672 | f_service_ << indent() << "}" << endl | |
1673 | << indent() << "if (fname) g_free (fname);" << endl | |
1674 | << endl; | |
1675 | ||
1676 | t_struct* xs = (*f_iter)->get_xceptions(); | |
1677 | const std::vector<t_field*>& xceptions = xs->get_members(); | |
1678 | vector<t_field*>::const_iterator x_iter; | |
1679 | ||
1680 | { | |
1681 | t_struct result(program_, tservice->get_name() + "_" + (*f_iter)->get_name() + "_result"); | |
1682 | t_field success((*f_iter)->get_returntype(), "*_return", 0); | |
1683 | if (!(*f_iter)->get_returntype()->is_void()) { | |
1684 | result.append(&success); | |
1685 | } | |
1686 | ||
1687 | // add readers for exceptions, dereferencing the pointer. | |
1688 | for (x_iter = xceptions.begin(); x_iter != xceptions.end(); x_iter++) { | |
1689 | t_field* xception = new t_field((*x_iter)->get_type(), | |
1690 | "*" + (*x_iter)->get_name(), | |
1691 | (*x_iter)->get_key()); | |
1692 | result.append(xception); | |
1693 | } | |
1694 | ||
1695 | generate_struct_reader(f_service_, &result, "", "", false); | |
1696 | } | |
1697 | ||
1698 | f_service_ << indent() << "if (thrift_protocol_read_message_end (protocol, error) < 0)" | |
1699 | << endl << indent() << " return FALSE;" << endl << endl << indent() | |
1700 | << "if (!thrift_transport_read_end (protocol->transport, error))" << endl | |
1701 | << indent() << " return FALSE;" << endl << endl; | |
1702 | ||
1703 | // copy over any throw exceptions and return failure | |
1704 | for (x_iter = xceptions.begin(); x_iter != xceptions.end(); x_iter++) { | |
1705 | f_service_ << indent() << "if (*" << (*x_iter)->get_name() << " != NULL)" << endl | |
1706 | << indent() << "{" << endl << indent() << " g_set_error (error, " | |
1707 | << this->nspace_uc | |
1708 | << to_upper_case(initial_caps_to_underscores((*x_iter)->get_type()->get_name())) | |
1709 | << "_ERROR, " << this->nspace_uc | |
1710 | << to_upper_case(initial_caps_to_underscores((*x_iter)->get_type()->get_name())) | |
1711 | << "_ERROR_CODE, \"" << (*x_iter)->get_type()->get_name() << "\");" << endl | |
1712 | << indent() << " return FALSE;" << endl << indent() << "}" << endl; | |
1713 | } | |
1714 | // Close function | |
1715 | indent(f_service_) << "return TRUE;" << endl; | |
1716 | scope_down(f_service_); | |
1717 | f_service_ << endl; | |
1718 | } | |
1719 | ||
1720 | // Open function | |
1721 | t_function service_function((*f_iter)->get_returntype(), | |
1722 | service_name_lc + string("_client_") + funname, | |
1723 | (*f_iter)->get_arglist(), | |
1724 | (*f_iter)->get_xceptions()); | |
1725 | indent(f_service_) << function_signature(&service_function) << endl; | |
1726 | scope_up(f_service_); | |
1727 | ||
1728 | // wrap each function | |
1729 | f_service_ << indent() << "if (!" << this->nspace_lc << service_name_lc << "_client_send_" | |
1730 | << funname << " (iface"; | |
1731 | ||
1732 | // Declare the function arguments | |
1733 | const vector<t_field*>& fields = arg_struct->get_members(); | |
1734 | vector<t_field*>::const_iterator fld_iter; | |
1735 | for (fld_iter = fields.begin(); fld_iter != fields.end(); ++fld_iter) { | |
1736 | f_service_ << ", " << (*fld_iter)->get_name(); | |
1737 | } | |
1738 | f_service_ << ", error))" << endl << indent() << " return FALSE;" << endl; | |
1739 | ||
1740 | // if not oneway, implement recv | |
1741 | if (!(*f_iter)->is_oneway()) { | |
1742 | string ret = (*f_iter)->get_returntype()->is_void() ? "" : "_return, "; | |
1743 | ||
1744 | const vector<t_field*>& xceptions = (*f_iter)->get_xceptions()->get_members(); | |
1745 | vector<t_field*>::const_iterator x_iter; | |
1746 | for (x_iter = xceptions.begin(); x_iter != xceptions.end(); ++x_iter) { | |
1747 | ret += (*x_iter)->get_name(); | |
1748 | ret += ", "; | |
1749 | } | |
1750 | ||
1751 | f_service_ << indent() << "if (!" << this->nspace_lc << service_name_lc << "_client_recv_" | |
1752 | << funname << " (iface, " << ret << "error))" << endl << indent() | |
1753 | << " return FALSE;" << endl; | |
1754 | } | |
1755 | ||
1756 | // return TRUE which means all functions were called OK | |
1757 | indent(f_service_) << "return TRUE;" << endl; | |
1758 | scope_down(f_service_); | |
1759 | f_service_ << endl; | |
1760 | } | |
1761 | ||
1762 | // create the interface initializer | |
1763 | f_service_ << "static void" << endl | |
1764 | << this->nspace_lc << service_name_lc << "_if_interface_init (" | |
1765 | << this->nspace << service_name_ << "IfInterface *iface)" << endl; | |
1766 | scope_up(f_service_); | |
1767 | if (functions.size() > 0) { | |
1768 | for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) { | |
1769 | /* make the function name C friendly */ | |
1770 | string funname = initial_caps_to_underscores((*f_iter)->get_name()); | |
1771 | ||
1772 | f_service_ << indent() << "iface->" << funname << " = " << this->nspace_lc | |
1773 | << service_name_lc << "_client_" << funname << ";" << endl; | |
1774 | } | |
1775 | } | |
1776 | else { | |
1777 | f_service_ << indent() << "THRIFT_UNUSED_VAR (iface);" << endl; | |
1778 | } | |
1779 | scope_down(f_service_); | |
1780 | f_service_ << endl; | |
1781 | ||
1782 | // create the client instance initializer | |
1783 | f_service_ << "static void" << endl | |
1784 | << this->nspace_lc << service_name_lc << "_client_init (" | |
1785 | << this->nspace << service_name_ << "Client *client)" << endl; | |
1786 | scope_up(f_service_); | |
1787 | if (!extends_service) { | |
1788 | f_service_ << indent() << "client->input_protocol = NULL;" << endl | |
1789 | << indent() << "client->output_protocol = NULL;" << endl; | |
1790 | } | |
1791 | else { | |
1792 | f_service_ << indent() << "THRIFT_UNUSED_VAR (client);" << endl; | |
1793 | } | |
1794 | scope_down(f_service_); | |
1795 | f_service_ << endl; | |
1796 | ||
1797 | // create the client class initializer | |
1798 | f_service_ << "static void" << endl << this->nspace_lc << service_name_lc | |
1799 | << "_client_class_init (" << this->nspace << service_name_ << "ClientClass *cls)" | |
1800 | << endl << "{" << endl; | |
1801 | if (!extends_service) { | |
1802 | f_service_ << " GObjectClass *gobject_class = G_OBJECT_CLASS (cls);" << endl | |
1803 | << " GParamSpec *param_spec;" << endl << endl | |
1804 | << " gobject_class->set_property = " << this->nspace_lc << service_name_lc | |
1805 | << "_client_set_property;" << endl | |
1806 | << " gobject_class->get_property = " << this->nspace_lc << service_name_lc | |
1807 | << "_client_get_property;" << endl << endl | |
1808 | << " param_spec = g_param_spec_object (\"input_protocol\"," << endl | |
1809 | << " \"input protocol (construct)\"," << endl | |
1810 | << " \"Set the client input protocol\"," << endl | |
1811 | << " THRIFT_TYPE_PROTOCOL," << endl | |
1812 | << " G_PARAM_READWRITE);" << endl | |
1813 | << " g_object_class_install_property (gobject_class," << endl | |
1814 | << " PROP_" << this->nspace_uc << service_name_uc | |
1815 | << "_CLIENT_INPUT_PROTOCOL, param_spec);" << endl << endl | |
1816 | << " param_spec = g_param_spec_object (\"output_protocol\"," << endl | |
1817 | << " \"output protocol (construct)\"," << endl | |
1818 | << " \"Set the client output protocol\"," << endl | |
1819 | << " THRIFT_TYPE_PROTOCOL," << endl | |
1820 | << " G_PARAM_READWRITE);" << endl | |
1821 | << " g_object_class_install_property (gobject_class," << endl | |
1822 | << " PROP_" << this->nspace_uc << service_name_uc | |
1823 | << "_CLIENT_OUTPUT_PROTOCOL, param_spec);" << endl; | |
1824 | } | |
1825 | else { | |
1826 | f_service_ << " THRIFT_UNUSED_VAR (cls);" << endl; | |
1827 | } | |
1828 | f_service_ << "}" << endl << endl; | |
1829 | } | |
1830 | ||
1831 | /** | |
1832 | * Generates C code that represents a Thrift service handler. | |
1833 | * | |
1834 | * @param tservice The service for which to generate a handler. | |
1835 | */ | |
1836 | void t_c_glib_generator::generate_service_handler(t_service* tservice) { | |
1837 | vector<t_function*> functions = tservice->get_functions(); | |
1838 | vector<t_function*>::const_iterator function_iter; | |
1839 | ||
1840 | string service_name_lc = to_lower_case(initial_caps_to_underscores(service_name_)); | |
1841 | string service_name_uc = to_upper_case(service_name_lc); | |
1842 | ||
1843 | string service_handler_name = service_name_ + "Handler"; | |
1844 | ||
1845 | string class_name = this->nspace + service_handler_name; | |
1846 | string class_name_lc = this->nspace_lc + initial_caps_to_underscores(service_handler_name); | |
1847 | string class_name_uc = to_upper_case(class_name_lc); | |
1848 | ||
1849 | string parent_class_name; | |
1850 | string parent_type_name; | |
1851 | ||
1852 | string args_indent; | |
1853 | ||
1854 | // The service this service extends, or NULL if it extends no service | |
1855 | t_service* extends_service = tservice->get_extends(); | |
1856 | ||
1857 | // Determine the name of our parent service (if any) and the handler class' | |
1858 | // parent class name and type | |
1859 | if (extends_service) { | |
1860 | string parent_service_name = extends_service->get_name(); | |
1861 | string parent_service_name_lc = to_lower_case(initial_caps_to_underscores(parent_service_name)); | |
1862 | string parent_service_name_uc = to_upper_case(parent_service_name_lc); | |
1863 | ||
1864 | parent_class_name = this->nspace + parent_service_name + "Handler"; | |
1865 | parent_type_name = this->nspace_uc + "TYPE_" + parent_service_name_uc + "_HANDLER"; | |
1866 | } else { | |
1867 | parent_class_name = "GObject"; | |
1868 | parent_type_name = "G_TYPE_OBJECT"; | |
1869 | } | |
1870 | ||
1871 | // Generate the handler class' definition in the header file | |
1872 | ||
1873 | // Generate the handler instance definition | |
1874 | f_header_ << "/* " << service_name_ << " handler (abstract base class) */" << endl << "struct _" | |
1875 | << class_name << endl << "{" << endl; | |
1876 | indent_up(); | |
1877 | f_header_ << indent() << parent_class_name << " parent;" << endl; | |
1878 | indent_down(); | |
1879 | f_header_ << "};" << endl << "typedef struct _" << class_name << " " << class_name << ";" << endl | |
1880 | << endl; | |
1881 | ||
1882 | // Generate the handler class definition, including its class members | |
1883 | // (methods) | |
1884 | f_header_ << "struct _" << class_name << "Class" << endl << "{" << endl; | |
1885 | indent_up(); | |
1886 | f_header_ << indent() << parent_class_name << "Class parent;" << endl << endl; | |
1887 | ||
1888 | for (function_iter = functions.begin(); function_iter != functions.end(); ++function_iter) { | |
1889 | string method_name = initial_caps_to_underscores((*function_iter)->get_name()); | |
1890 | t_type* return_type = (*function_iter)->get_returntype(); | |
1891 | t_struct* arg_list = (*function_iter)->get_arglist(); | |
1892 | t_struct* x_list = (*function_iter)->get_xceptions(); | |
1893 | bool has_return = !return_type->is_void(); | |
1894 | bool has_args = arg_list->get_members().size() == 0; | |
1895 | bool has_xceptions = x_list->get_members().size() == 0; | |
1896 | ||
1897 | string params = "(" + this->nspace + service_name_ + "If *iface" | |
1898 | + (has_return ? ", " + type_name(return_type) + "* _return" : "") | |
1899 | + (has_args ? "" : (", " + argument_list(arg_list))) | |
1900 | + (has_xceptions ? "" : (", " + xception_list(x_list))) + ", GError **error)"; | |
1901 | ||
1902 | indent(f_header_) << "gboolean (*" << method_name << ") " << params << ";" << endl; | |
1903 | } | |
1904 | indent_down(); | |
1905 | ||
1906 | f_header_ << "};" << endl << "typedef struct _" << class_name << "Class " << class_name | |
1907 | << "Class;" << endl << endl; | |
1908 | ||
1909 | // Generate the remaining header boilerplate | |
1910 | f_header_ << "GType " << class_name_lc << "_get_type (void);" << endl << "#define " | |
1911 | << this->nspace_uc << "TYPE_" << service_name_uc << "_HANDLER " | |
1912 | << "(" << class_name_lc << "_get_type())" << endl << "#define " << class_name_uc | |
1913 | << "(obj) " | |
1914 | << "(G_TYPE_CHECK_INSTANCE_CAST ((obj), " << this->nspace_uc << "TYPE_" | |
1915 | << service_name_uc << "_HANDLER, " << class_name << "))" << endl << "#define " | |
1916 | << this->nspace_uc << "IS_" << service_name_uc << "_HANDLER(obj) " | |
1917 | << "(G_TYPE_CHECK_INSTANCE_TYPE ((obj), " << this->nspace_uc << "TYPE_" | |
1918 | << service_name_uc << "_HANDLER))" << endl << "#define " << class_name_uc | |
1919 | << "_CLASS(c) (G_TYPE_CHECK_CLASS_CAST ((c), " << this->nspace_uc << "TYPE_" | |
1920 | << service_name_uc << "_HANDLER, " << class_name << "Class))" << endl << "#define " | |
1921 | << this->nspace_uc << "IS_" << service_name_uc << "_HANDLER_CLASS(c) " | |
1922 | << "(G_TYPE_CHECK_CLASS_TYPE ((c), " << this->nspace_uc << "TYPE_" << service_name_uc | |
1923 | << "_HANDLER))" << endl << "#define " << this->nspace_uc << service_name_uc | |
1924 | << "_HANDLER_GET_CLASS(obj) " | |
1925 | << "(G_TYPE_INSTANCE_GET_CLASS ((obj), " << this->nspace_uc << "TYPE_" | |
1926 | << service_name_uc << "_HANDLER, " << class_name << "Class))" << endl << endl; | |
1927 | ||
1928 | // Generate the handler class' method definitions | |
1929 | for (function_iter = functions.begin(); function_iter != functions.end(); ++function_iter) { | |
1930 | string method_name = initial_caps_to_underscores((*function_iter)->get_name()); | |
1931 | t_type* return_type = (*function_iter)->get_returntype(); | |
1932 | t_struct* arg_list = (*function_iter)->get_arglist(); | |
1933 | t_struct* x_list = (*function_iter)->get_xceptions(); | |
1934 | bool has_return = !return_type->is_void(); | |
1935 | bool has_args = arg_list->get_members().size() == 0; | |
1936 | bool has_xceptions = x_list->get_members().size() == 0; | |
1937 | ||
1938 | string params = "(" + this->nspace + service_name_ + "If *iface" | |
1939 | + (has_return ? ", " + type_name(return_type) + "* _return" : "") | |
1940 | + (has_args ? "" : (", " + argument_list(arg_list))) | |
1941 | + (has_xceptions ? "" : (", " + xception_list(x_list))) + ", GError **error)"; | |
1942 | ||
1943 | f_header_ << "gboolean " << class_name_lc << "_" << method_name << " " << params << ";" << endl; | |
1944 | } | |
1945 | f_header_ << endl; | |
1946 | ||
1947 | // Generate the handler's implementation in the implementation file | |
1948 | ||
1949 | // Generate the implementation boilerplate | |
1950 | f_service_ << "static void" << endl << class_name_lc << "_" << service_name_lc | |
1951 | << "_if_interface_init (" << this->nspace << service_name_ << "IfInterface *iface);" | |
1952 | << endl << endl; | |
1953 | ||
1954 | args_indent = string(25, ' '); | |
1955 | f_service_ << "G_DEFINE_TYPE_WITH_CODE (" << class_name << ", " << endl << args_indent | |
1956 | << class_name_lc << "," << endl << args_indent << parent_type_name << "," << endl | |
1957 | << args_indent << "G_IMPLEMENT_INTERFACE (" << this->nspace_uc << "TYPE_" | |
1958 | << service_name_uc << "_IF," << endl; | |
1959 | args_indent += string(23, ' '); | |
1960 | f_service_ << args_indent << class_name_lc << "_" << service_name_lc << "_if_interface_init))" | |
1961 | << endl << endl; | |
1962 | ||
1963 | // Generate the handler method implementations | |
1964 | for (function_iter = functions.begin(); function_iter != functions.end(); ++function_iter) { | |
1965 | string function_name = (*function_iter)->get_name(); | |
1966 | string method_name = initial_caps_to_underscores(function_name); | |
1967 | t_type* return_type = (*function_iter)->get_returntype(); | |
1968 | t_struct* arg_list = (*function_iter)->get_arglist(); | |
1969 | t_struct* x_list = (*function_iter)->get_xceptions(); | |
1970 | ||
1971 | const vector<t_field*>& args = arg_list->get_members(); | |
1972 | const vector<t_field*>& xceptions = x_list->get_members(); | |
1973 | ||
1974 | vector<t_field*>::const_iterator field_iter; | |
1975 | ||
1976 | t_function implementing_function(return_type, | |
1977 | service_name_lc + "_handler_" + method_name, | |
1978 | arg_list, | |
1979 | x_list, | |
1980 | (*function_iter)->is_oneway()); | |
1981 | ||
1982 | indent(f_service_) << function_signature(&implementing_function) << endl; | |
1983 | scope_up(f_service_); | |
1984 | f_service_ << indent() << "g_return_val_if_fail (" << this->nspace_uc << "IS_" | |
1985 | << service_name_uc << "_HANDLER (iface), FALSE);" << endl << endl << indent() | |
1986 | << "return " << class_name_uc << "_GET_CLASS (iface)" | |
1987 | << "->" << method_name << " (iface, "; | |
1988 | ||
1989 | if (!return_type->is_void()) { | |
1990 | f_service_ << "_return, "; | |
1991 | } | |
1992 | for (field_iter = args.begin(); field_iter != args.end(); ++field_iter) { | |
1993 | f_service_ << (*field_iter)->get_name() << ", "; | |
1994 | } | |
1995 | for (field_iter = xceptions.begin(); field_iter != xceptions.end(); ++field_iter) { | |
1996 | f_service_ << (*field_iter)->get_name() << ", "; | |
1997 | } | |
1998 | f_service_ << "error);" << endl; | |
1999 | scope_down(f_service_); | |
2000 | f_service_ << endl; | |
2001 | } | |
2002 | ||
2003 | // Generate the handler interface initializer | |
2004 | f_service_ << "static void" << endl << class_name_lc << "_" << service_name_lc | |
2005 | << "_if_interface_init (" << this->nspace << service_name_ << "IfInterface *iface)" | |
2006 | << endl; | |
2007 | scope_up(f_service_); | |
2008 | if (functions.size() > 0) { | |
2009 | for (function_iter = functions.begin(); function_iter != functions.end(); ++function_iter) { | |
2010 | string method_name = initial_caps_to_underscores((*function_iter)->get_name()); | |
2011 | ||
2012 | f_service_ << indent() << "iface->" << method_name << " = " << class_name_lc << "_" | |
2013 | << method_name << ";" << endl; | |
2014 | } | |
2015 | } | |
2016 | else { | |
2017 | f_service_ << "THRIFT_UNUSED_VAR (iface);" << endl; | |
2018 | } | |
2019 | scope_down(f_service_); | |
2020 | f_service_ << endl; | |
2021 | ||
2022 | // Generate the handler instance initializer | |
2023 | f_service_ << "static void" << endl << class_name_lc << "_init (" << class_name << " *self)" | |
2024 | << endl; | |
2025 | scope_up(f_service_); | |
2026 | f_service_ << indent() << "THRIFT_UNUSED_VAR (self);" << endl; | |
2027 | scope_down(f_service_); | |
2028 | f_service_ << endl; | |
2029 | ||
2030 | // Generate the handler class initializer | |
2031 | f_service_ << "static void" << endl | |
2032 | << class_name_lc << "_class_init (" << class_name << "Class *cls)" | |
2033 | << endl; | |
2034 | scope_up(f_service_); | |
2035 | if (functions.size() > 0) { | |
2036 | for (function_iter = functions.begin(); | |
2037 | function_iter != functions.end(); | |
2038 | ++function_iter) { | |
2039 | string function_name = (*function_iter)->get_name(); | |
2040 | string method_name = initial_caps_to_underscores(function_name); | |
2041 | ||
2042 | // All methods are pure virtual and must be implemented by subclasses | |
2043 | f_service_ << indent() << "cls->" << method_name << " = NULL;" << endl; | |
2044 | } | |
2045 | } | |
2046 | else { | |
2047 | f_service_ << indent() << "THRIFT_UNUSED_VAR (cls);" << endl; | |
2048 | } | |
2049 | scope_down(f_service_); | |
2050 | f_service_ << endl; | |
2051 | } | |
2052 | ||
2053 | /** | |
2054 | * Generates C code that represents a Thrift service processor. | |
2055 | * | |
2056 | * @param tservice The service for which to generate a processor | |
2057 | */ | |
2058 | void t_c_glib_generator::generate_service_processor(t_service* tservice) { | |
2059 | vector<t_function*> functions = tservice->get_functions(); | |
2060 | vector<t_function*>::const_iterator function_iter; | |
2061 | ||
2062 | string service_name_lc = to_lower_case(initial_caps_to_underscores(service_name_)); | |
2063 | string service_name_uc = to_upper_case(service_name_lc); | |
2064 | ||
2065 | string service_processor_name = service_name_ + "Processor"; | |
2066 | ||
2067 | string class_name = this->nspace + service_processor_name; | |
2068 | string class_name_lc = this->nspace_lc + initial_caps_to_underscores(service_processor_name); | |
2069 | string class_name_uc = to_upper_case(class_name_lc); | |
2070 | ||
2071 | string parent_class_name; | |
2072 | string parent_type_name; | |
2073 | ||
2074 | string handler_class_name = this->nspace + service_name_ + "Handler"; | |
2075 | string handler_class_name_lc = initial_caps_to_underscores(handler_class_name); | |
2076 | ||
2077 | string process_function_type_name = class_name + "ProcessFunction"; | |
2078 | string process_function_def_type_name = | |
2079 | class_name_lc + "_process_function_def"; | |
2080 | ||
2081 | string function_name; | |
2082 | string args_indent; | |
2083 | ||
2084 | // The service this service extends, or NULL if it extends no service | |
2085 | t_service* extends_service = tservice->get_extends(); | |
2086 | ||
2087 | // Determine the name of our parent service (if any) and the | |
2088 | // processor class' parent class name and type | |
2089 | if (extends_service) { | |
2090 | string parent_service_name = extends_service->get_name(); | |
2091 | string parent_service_name_lc = to_lower_case(initial_caps_to_underscores(parent_service_name)); | |
2092 | string parent_service_name_uc = to_upper_case(parent_service_name_lc); | |
2093 | ||
2094 | parent_class_name = this->nspace + parent_service_name + "Processor"; | |
2095 | parent_type_name = this->nspace_uc + "TYPE_" + parent_service_name_uc + "_PROCESSOR"; | |
2096 | } else { | |
2097 | parent_class_name = "ThriftDispatchProcessor"; | |
2098 | parent_type_name = "THRIFT_TYPE_DISPATCH_PROCESSOR"; | |
2099 | } | |
2100 | ||
2101 | // Generate the processor class' definition in the header file | |
2102 | ||
2103 | // Generate the processor instance definition | |
2104 | f_header_ << "/* " << service_name_ << " processor */" << endl << "struct _" << class_name << endl | |
2105 | << "{" << endl; | |
2106 | indent_up(); | |
2107 | f_header_ << indent() << parent_class_name << " parent;" << endl << endl << indent() | |
2108 | << "/* protected */" << endl << indent() | |
2109 | << this->nspace + service_name_ + "Handler *handler;" << endl << indent() | |
2110 | << "GHashTable *process_map;" << endl; | |
2111 | indent_down(); | |
2112 | f_header_ << "};" << endl << "typedef struct _" << class_name << " " << class_name << ";" << endl | |
2113 | << endl; | |
2114 | ||
2115 | // Generate the processor class definition | |
2116 | f_header_ << "struct _" << class_name << "Class" << endl << "{" << endl; | |
2117 | indent_up(); | |
2118 | f_header_ << indent() << parent_class_name << "Class parent;" << endl << endl << indent() | |
2119 | << "/* protected */" << endl << indent() | |
2120 | << "gboolean (*dispatch_call) (ThriftDispatchProcessor *processor," << endl; | |
2121 | args_indent = indent() + string(27, ' '); | |
2122 | f_header_ << args_indent << "ThriftProtocol *in," << endl << args_indent << "ThriftProtocol *out," | |
2123 | << endl << args_indent << "gchar *fname," << endl << args_indent << "gint32 seqid," | |
2124 | << endl << args_indent << "GError **error);" << endl; | |
2125 | indent_down(); | |
2126 | f_header_ << "};" << endl << "typedef struct _" << class_name << "Class " << class_name | |
2127 | << "Class;" << endl << endl; | |
2128 | ||
2129 | // Generate the remaining header boilerplate | |
2130 | f_header_ << "GType " << class_name_lc << "_get_type (void);" << endl << "#define " | |
2131 | << this->nspace_uc << "TYPE_" << service_name_uc << "_PROCESSOR " | |
2132 | << "(" << class_name_lc << "_get_type())" << endl << "#define " << class_name_uc | |
2133 | << "(obj) " | |
2134 | << "(G_TYPE_CHECK_INSTANCE_CAST ((obj), " << this->nspace_uc << "TYPE_" | |
2135 | << service_name_uc << "_PROCESSOR, " << class_name << "))" << endl << "#define " | |
2136 | << this->nspace_uc << "IS_" << service_name_uc << "_PROCESSOR(obj) " | |
2137 | << "(G_TYPE_CHECK_INSTANCE_TYPE ((obj), " << this->nspace_uc << "TYPE_" | |
2138 | << service_name_uc << "_PROCESSOR))" << endl << "#define " << class_name_uc | |
2139 | << "_CLASS(c) (G_TYPE_CHECK_CLASS_CAST ((c), " << this->nspace_uc << "TYPE_" | |
2140 | << service_name_uc << "_PROCESSOR, " << class_name << "Class))" << endl << "#define " | |
2141 | << this->nspace_uc << "IS_" << service_name_uc << "_PROCESSOR_CLASS(c) " | |
2142 | << "(G_TYPE_CHECK_CLASS_TYPE ((c), " << this->nspace_uc << "TYPE_" << service_name_uc | |
2143 | << "_PROCESSOR))" << endl << "#define " << this->nspace_uc << service_name_uc | |
2144 | << "_PROCESSOR_GET_CLASS(obj) " | |
2145 | << "(G_TYPE_INSTANCE_GET_CLASS ((obj), " << this->nspace_uc << "TYPE_" | |
2146 | << service_name_uc << "_PROCESSOR, " << class_name << "Class))" << endl << endl; | |
2147 | ||
2148 | // Generate the processor's implementation in the implementation file | |
2149 | ||
2150 | // Generate the processor's properties enum | |
2151 | f_service_ << "enum _" << class_name << "Properties" << endl << "{" << endl; | |
2152 | indent_up(); | |
2153 | f_service_ << indent() << "PROP_" << class_name_uc << "_0," << endl << indent() << "PROP_" | |
2154 | << class_name_uc << "_HANDLER" << endl; | |
2155 | indent_down(); | |
2156 | f_service_ << "};" << endl << endl; | |
2157 | ||
2158 | // Generate the implementation boilerplate | |
2159 | args_indent = string(15, ' '); | |
2160 | f_service_ << "G_DEFINE_TYPE (" << class_name << "," << endl << args_indent << class_name_lc | |
2161 | << "," << endl << args_indent << parent_type_name << ")" << endl << endl; | |
2162 | ||
2163 | // Generate the processor's processing-function type | |
2164 | args_indent = string(process_function_type_name.length() + 23, ' '); | |
2165 | f_service_ << "typedef gboolean (* " << process_function_type_name << ") (" | |
2166 | << class_name << " *, " << endl | |
2167 | << args_indent << "gint32," << endl | |
2168 | << args_indent << "ThriftProtocol *," << endl | |
2169 | << args_indent << "ThriftProtocol *," << endl | |
2170 | << args_indent << "GError **);" << endl | |
2171 | << endl; | |
2172 | ||
2173 | // Generate the processor's processing-function-definition type | |
2174 | f_service_ << "typedef struct" << endl | |
2175 | << "{" << endl; | |
2176 | indent_up(); | |
2177 | f_service_ << indent() << "gchar *name;" << endl | |
2178 | << indent() << process_function_type_name << " function;" << endl; | |
2179 | indent_down(); | |
2180 | f_service_ << "} " << process_function_def_type_name << ";" << endl | |
2181 | << endl; | |
2182 | ||
2183 | // Generate forward declarations of the processor's processing functions so we | |
2184 | // can refer to them in the processing-function-definition struct below and | |
2185 | // keep all of the processor's declarations in one place | |
2186 | for (function_iter = functions.begin(); | |
2187 | function_iter != functions.end(); | |
2188 | ++function_iter) { | |
2189 | function_name = class_name_lc + "_process_" | |
2190 | + initial_caps_to_underscores((*function_iter)->get_name()); | |
2191 | ||
2192 | args_indent = string(function_name.length() + 2, ' '); | |
2193 | f_service_ << "static gboolean" << endl | |
2194 | << function_name << " (" | |
2195 | << class_name << " *," << endl | |
2196 | << args_indent << "gint32," << endl | |
2197 | << args_indent << "ThriftProtocol *," << endl | |
2198 | << args_indent << "ThriftProtocol *," << endl | |
2199 | << args_indent << "GError **);" << endl; | |
2200 | } | |
2201 | f_service_ << endl; | |
2202 | ||
2203 | // Generate the processor's processing-function definitions, if the service | |
2204 | // defines any methods | |
2205 | if (functions.size() > 0) { | |
2206 | f_service_ << indent() << "static " << process_function_def_type_name | |
2207 | << endl | |
2208 | << indent() << class_name_lc << "_process_function_defs[" | |
2209 | << functions.size() << "] = {" << endl; | |
2210 | indent_up(); | |
2211 | for (function_iter = functions.begin(); | |
2212 | function_iter != functions.end(); | |
2213 | ++function_iter) { | |
2214 | string service_function_name = (*function_iter)->get_name(); | |
2215 | string process_function_name = class_name_lc + "_process_" | |
2216 | + initial_caps_to_underscores(service_function_name); | |
2217 | ||
2218 | f_service_ << indent() << "{" << endl; | |
2219 | indent_up(); | |
2220 | f_service_ << indent() << "\"" << service_function_name << "\"," << endl | |
2221 | << indent() << process_function_name << endl; | |
2222 | indent_down(); | |
2223 | f_service_ << indent() << "}" | |
2224 | << (function_iter == --functions.end() ? "" : ",") << endl; | |
2225 | } | |
2226 | indent_down(); | |
2227 | f_service_ << indent() << "};" << endl | |
2228 | << endl; | |
2229 | } | |
2230 | ||
2231 | // Generate the processor's processing functions | |
2232 | for (function_iter = functions.begin(); function_iter != functions.end(); ++function_iter) { | |
2233 | string service_function_name = (*function_iter)->get_name(); | |
2234 | string service_function_name_ic = underscores_to_initial_caps(service_function_name); | |
2235 | string service_function_name_lc = initial_caps_to_underscores(service_function_name); | |
2236 | string service_function_name_uc = to_upper_case(service_function_name_lc); | |
2237 | ||
2238 | t_type* return_type = (*function_iter)->get_returntype(); | |
2239 | bool has_return_value = !return_type->is_void(); | |
2240 | ||
2241 | t_struct* arg_list = (*function_iter)->get_arglist(); | |
2242 | const vector<t_field*>& args = arg_list->get_members(); | |
2243 | vector<t_field*>::const_iterator arg_iter; | |
2244 | ||
2245 | const vector<t_field*>& xceptions = (*function_iter)->get_xceptions()->get_members(); | |
2246 | vector<t_field*>::const_iterator xception_iter; | |
2247 | ||
2248 | string args_class_name = this->nspace + service_name_ + service_function_name_ic + "Args"; | |
2249 | string args_class_type = this->nspace_uc + "TYPE_" + service_name_uc + "_" | |
2250 | + service_function_name_uc + "_ARGS"; | |
2251 | ||
2252 | string result_class_name = this->nspace + service_name_ + service_function_name_ic + "Result"; | |
2253 | string result_class_type = this->nspace_uc + "TYPE_" + service_name_uc + "_" | |
2254 | + service_function_name_uc + "_RESULT"; | |
2255 | ||
2256 | string handler_function_name = handler_class_name_lc + "_" + service_function_name_lc; | |
2257 | ||
2258 | function_name = class_name_lc + "_process_" | |
2259 | + initial_caps_to_underscores(service_function_name); | |
2260 | ||
2261 | args_indent = string(function_name.length() + 2, ' '); | |
2262 | f_service_ << "static gboolean" << endl << function_name << " (" << class_name << " *self," | |
2263 | << endl << args_indent << "gint32 sequence_id," << endl << args_indent | |
2264 | << "ThriftProtocol *input_protocol," << endl << args_indent | |
2265 | << "ThriftProtocol *output_protocol," << endl << args_indent << "GError **error)" | |
2266 | << endl; | |
2267 | scope_up(f_service_); | |
2268 | f_service_ << indent() << "gboolean result = TRUE;" << endl | |
2269 | << indent() << "ThriftTransport * transport;" << endl | |
2270 | << indent() << "ThriftApplicationException *xception;" << endl | |
2271 | << indent() << args_class_name + " * args =" << endl; | |
2272 | indent_up(); | |
2273 | f_service_ << indent() << "g_object_new (" << args_class_type << ", NULL);" << endl << endl; | |
2274 | indent_down(); | |
2275 | if ((*function_iter)->is_oneway()) { | |
2276 | f_service_ << indent() << "THRIFT_UNUSED_VAR (sequence_id);" << endl << indent() | |
2277 | << "THRIFT_UNUSED_VAR (output_protocol);" << endl << endl; | |
2278 | } | |
2279 | f_service_ << indent() << "g_object_get (input_protocol, \"transport\", " | |
2280 | << "&transport, NULL);" << endl << endl; | |
2281 | ||
2282 | // Read the method's arguments from the caller | |
2283 | f_service_ << indent() << "if ((thrift_struct_read (THRIFT_STRUCT (args), " | |
2284 | << "input_protocol, error) != -1) &&" << endl << indent() | |
2285 | << " (thrift_protocol_read_message_end (input_protocol, " | |
2286 | << "error) != -1) &&" << endl << indent() | |
2287 | << " (thrift_transport_read_end (transport, error) != FALSE))" << endl; | |
2288 | scope_up(f_service_); | |
2289 | ||
2290 | for (arg_iter = args.begin(); arg_iter != args.end(); ++arg_iter) { | |
2291 | f_service_ << indent() << property_type_name((*arg_iter)->get_type()) << " " | |
2292 | << (*arg_iter)->get_name() << ";" << endl; | |
2293 | } | |
2294 | for (xception_iter = xceptions.begin(); xception_iter != xceptions.end(); ++xception_iter) { | |
2295 | f_service_ << indent() << type_name((*xception_iter)->get_type()) << " " | |
2296 | << initial_caps_to_underscores((*xception_iter)->get_name()) << " = NULL;" << endl; | |
2297 | } | |
2298 | if (has_return_value) { | |
2299 | f_service_ << indent() << property_type_name(return_type) << " return_value;" << endl; | |
2300 | } | |
2301 | if (!(*function_iter)->is_oneway()) { | |
2302 | f_service_ << indent() << result_class_name << " * result_struct;" << endl; | |
2303 | } | |
2304 | f_service_ << endl; | |
2305 | ||
2306 | if (args.size() > 0) { | |
2307 | f_service_ << indent() << "g_object_get (args," << endl; | |
2308 | args_indent = indent() + string(14, ' '); | |
2309 | for (arg_iter = args.begin(); arg_iter != args.end(); ++arg_iter) { | |
2310 | string arg_name = (*arg_iter)->get_name(); | |
2311 | ||
2312 | f_service_ << args_indent << "\"" << arg_name << "\", &" << arg_name << "," << endl; | |
2313 | } | |
2314 | f_service_ << args_indent << "NULL);" << endl << endl; | |
2315 | } | |
2316 | ||
2317 | if (!(*function_iter)->is_oneway()) { | |
2318 | f_service_ << indent() << "g_object_unref (transport);" << endl << indent() | |
2319 | << "g_object_get (output_protocol, \"transport\", " | |
2320 | << "&transport, NULL);" << endl << endl << indent() | |
2321 | << "result_struct = g_object_new (" << result_class_type << ", NULL);" << endl; | |
2322 | if (has_return_value) { | |
2323 | f_service_ << indent() << "g_object_get (result_struct, " | |
2324 | "\"success\", &return_value, NULL);" << endl; | |
2325 | } | |
2326 | f_service_ << endl; | |
2327 | } | |
2328 | ||
2329 | // Pass the arguments to the corresponding method in the handler | |
2330 | f_service_ << indent() << "if (" << handler_function_name << " (" << this->nspace_uc | |
2331 | << service_name_uc << "_IF (self->handler)," << endl; | |
2332 | args_indent = indent() + string(handler_function_name.length() + 6, ' '); | |
2333 | if (has_return_value) { | |
2334 | string return_type_name = type_name(return_type); | |
2335 | ||
2336 | f_service_ << args_indent; | |
2337 | ||
2338 | // Cast return_value if it was declared as a type other than the return | |
2339 | // value's actual type---this is true for integer values 32 bits or fewer | |
2340 | // in width, for which GLib requires a plain gint type be used when | |
2341 | // storing or retrieving as an object property | |
2342 | if (return_type_name != property_type_name(return_type)) { | |
2343 | if (return_type_name[return_type_name.length() - 1] != '*') { | |
2344 | return_type_name += ' '; | |
2345 | } | |
2346 | return_type_name += '*'; | |
2347 | ||
2348 | f_service_ << "(" << return_type_name << ")"; | |
2349 | } | |
2350 | ||
2351 | f_service_ << "&return_value," << endl; | |
2352 | } | |
2353 | for (arg_iter = args.begin(); arg_iter != args.end(); ++arg_iter) { | |
2354 | f_service_ << args_indent << (*arg_iter)->get_name() << "," << endl; | |
2355 | } | |
2356 | for (xception_iter = xceptions.begin(); xception_iter != xceptions.end(); ++xception_iter) { | |
2357 | f_service_ << args_indent << "&" << initial_caps_to_underscores((*xception_iter)->get_name()) | |
2358 | << "," << endl; | |
2359 | } | |
2360 | f_service_ << args_indent << "error) == TRUE)" << endl; | |
2361 | scope_up(f_service_); | |
2362 | ||
2363 | // The handler reported success; return the result, if any, to the caller | |
2364 | if (!(*function_iter)->is_oneway()) { | |
2365 | if (has_return_value) { | |
2366 | f_service_ << indent() << "g_object_set (result_struct, \"success\", "; | |
2367 | if (type_name(return_type) != property_type_name(return_type)) { | |
2368 | // Roundtrip cast to fix the position of sign bit. | |
2369 | f_service_ << "(" << property_type_name(return_type) << ")" | |
2370 | << "(" << type_name(return_type) << ")"; | |
2371 | } | |
2372 | f_service_ << "return_value, " | |
2373 | << "NULL);" << endl; | |
2374 | ||
2375 | // Deallocate (or unref) return_value | |
2376 | return_type = get_true_type(return_type); | |
2377 | if (return_type->is_base_type()) { | |
2378 | t_base_type* base_type = ((t_base_type*)return_type); | |
2379 | ||
2380 | if (base_type->get_base() == t_base_type::TYPE_STRING) { | |
2381 | f_service_ << indent() << "if (return_value != NULL)" << endl; | |
2382 | indent_up(); | |
2383 | if (base_type->is_binary()) { | |
2384 | f_service_ << indent() << "g_byte_array_unref (return_value);" << endl; | |
2385 | } else { | |
2386 | f_service_ << indent() << "g_free (return_value);" << endl; | |
2387 | } | |
2388 | indent_down(); | |
2389 | } | |
2390 | } else if (return_type->is_container()) { | |
2391 | f_service_ << indent() << "if (return_value != NULL)" << endl; | |
2392 | indent_up(); | |
2393 | ||
2394 | if (return_type->is_list()) { | |
2395 | t_type* elem_type = ((t_list*)return_type)->get_elem_type(); | |
2396 | ||
2397 | f_service_ << indent(); | |
2398 | if (is_numeric(elem_type)) { | |
2399 | f_service_ << "g_array_unref"; | |
2400 | } else { | |
2401 | f_service_ << "g_ptr_array_unref"; | |
2402 | } | |
2403 | f_service_ << " (return_value);" << endl; | |
2404 | } else if (return_type->is_map() || return_type->is_set()) { | |
2405 | f_service_ << indent() << "g_hash_table_unref (return_value);" << endl; | |
2406 | } | |
2407 | ||
2408 | indent_down(); | |
2409 | } else if (return_type->is_struct()) { | |
2410 | f_service_ << indent() << "if (return_value != NULL)" << endl; | |
2411 | indent_up(); | |
2412 | f_service_ << indent() << "g_object_unref (return_value);" << endl; | |
2413 | indent_down(); | |
2414 | } | |
2415 | ||
2416 | f_service_ << endl; | |
2417 | } | |
2418 | f_service_ << indent() << "result =" << endl; | |
2419 | indent_up(); | |
2420 | f_service_ << indent() << "((thrift_protocol_write_message_begin (output_protocol," << endl; | |
2421 | args_indent = indent() + string(39, ' '); | |
2422 | f_service_ << args_indent << "\"" << service_function_name << "\"," << endl << args_indent | |
2423 | << "T_REPLY," << endl << args_indent << "sequence_id," << endl << args_indent | |
2424 | << "error) != -1) &&" << endl << indent() | |
2425 | << " (thrift_struct_write (THRIFT_STRUCT (result_struct)," << endl; | |
2426 | args_indent = indent() + string(23, ' '); | |
2427 | f_service_ << args_indent << "output_protocol," << endl << args_indent << "error) != -1));" | |
2428 | << endl; | |
2429 | indent_down(); | |
2430 | } | |
2431 | scope_down(f_service_); | |
2432 | f_service_ << indent() << "else" << endl; | |
2433 | scope_up(f_service_); | |
2434 | ||
2435 | // The handler reported failure; check to see if an application-defined | |
2436 | // exception was raised and if so, return it to the caller | |
2437 | f_service_ << indent(); | |
2438 | if (xceptions.size() > 0) { | |
2439 | for (xception_iter = xceptions.begin(); xception_iter != xceptions.end(); ++xception_iter) { | |
2440 | f_service_ << "if (" << initial_caps_to_underscores((*xception_iter)->get_name()) | |
2441 | << " != NULL)" << endl; | |
2442 | scope_up(f_service_); | |
2443 | f_service_ << indent() << "g_object_set (result_struct," << endl; | |
2444 | args_indent = indent() + string(14, ' '); | |
2445 | f_service_ << args_indent << "\"" << (*xception_iter)->get_name() << "\", " | |
2446 | << (*xception_iter)->get_name() << "," << endl << args_indent << "NULL);" << endl | |
2447 | << endl; | |
2448 | f_service_ << indent() << "result =" << endl; | |
2449 | indent_up(); | |
2450 | f_service_ << indent() << "((thrift_protocol_write_message_begin (output_protocol," << endl; | |
2451 | args_indent = indent() + string(39, ' '); | |
2452 | f_service_ << args_indent << "\"" << service_function_name << "\"," << endl << args_indent | |
2453 | << "T_REPLY," << endl << args_indent << "sequence_id," << endl << args_indent | |
2454 | << "error) != -1) &&" << endl << indent() | |
2455 | << " (thrift_struct_write (THRIFT_STRUCT (result_struct)," << endl; | |
2456 | args_indent = indent() + string(23, ' '); | |
2457 | f_service_ << args_indent << "output_protocol," << endl << args_indent << "error) != -1));" | |
2458 | << endl; | |
2459 | indent_down(); | |
2460 | scope_down(f_service_); | |
2461 | f_service_ << indent() << "else" << endl; | |
2462 | } | |
2463 | ||
2464 | scope_up(f_service_); | |
2465 | f_service_ << indent(); | |
2466 | } | |
2467 | ||
2468 | // If the handler reported failure but raised no application-defined | |
2469 | // exception, return a Thrift application exception with the information | |
2470 | // returned via GLib's own error-reporting mechanism | |
2471 | f_service_ << "if (*error == NULL)" << endl; | |
2472 | indent_up(); | |
2473 | f_service_ << indent() << "g_warning (\"" << service_name_ << "." | |
2474 | << (*function_iter)->get_name() << " implementation returned FALSE \"" << endl | |
2475 | << indent() << string(11, ' ') << "\"but did not set an error\");" << endl << endl; | |
2476 | indent_down(); | |
2477 | f_service_ << indent() << "xception =" << endl; | |
2478 | indent_up(); | |
2479 | f_service_ << indent() << "g_object_new (THRIFT_TYPE_APPLICATION_EXCEPTION," << endl; | |
2480 | args_indent = indent() + string(14, ' '); | |
2481 | f_service_ << args_indent << "\"type\", *error != NULL ? (*error)->code :" << endl | |
2482 | << args_indent << string(11, ' ') << "THRIFT_APPLICATION_EXCEPTION_ERROR_UNKNOWN," | |
2483 | << endl << args_indent << "\"message\", *error != NULL ? (*error)->message : NULL," | |
2484 | << endl << args_indent << "NULL);" << endl; | |
2485 | indent_down(); | |
2486 | f_service_ << indent() << "g_clear_error (error);" << endl << endl << indent() | |
2487 | << "result =" << endl; | |
2488 | indent_up(); | |
2489 | f_service_ << indent() << "((thrift_protocol_write_message_begin (output_protocol," << endl; | |
2490 | args_indent = indent() + string(39, ' '); | |
2491 | f_service_ << args_indent << "\"" << service_function_name << "\"," << endl << args_indent | |
2492 | << "T_EXCEPTION," << endl << args_indent << "sequence_id," << endl << args_indent | |
2493 | << "error) != -1) &&" << endl << indent() | |
2494 | << " (thrift_struct_write (THRIFT_STRUCT (xception)," << endl; | |
2495 | args_indent = indent() + string(23, ' '); | |
2496 | f_service_ << args_indent << "output_protocol," << endl << args_indent << "error) != -1));" | |
2497 | << endl; | |
2498 | indent_down(); | |
2499 | f_service_ << endl << indent() << "g_object_unref (xception);" << endl; | |
2500 | ||
2501 | if (xceptions.size() > 0) { | |
2502 | scope_down(f_service_); | |
2503 | } | |
2504 | scope_down(f_service_); | |
2505 | f_service_ << endl; | |
2506 | ||
2507 | // Dellocate or unref retrieved argument values as necessary | |
2508 | for (arg_iter = args.begin(); arg_iter != args.end(); ++arg_iter) { | |
2509 | string arg_name = (*arg_iter)->get_name(); | |
2510 | t_type* arg_type = get_true_type((*arg_iter)->get_type()); | |
2511 | ||
2512 | if (arg_type->is_base_type()) { | |
2513 | t_base_type* base_type = ((t_base_type*)arg_type); | |
2514 | ||
2515 | if (base_type->get_base() == t_base_type::TYPE_STRING) { | |
2516 | f_service_ << indent() << "if (" << arg_name << " != NULL)" << endl; | |
2517 | indent_up(); | |
2518 | if (base_type->is_binary()) { | |
2519 | f_service_ << indent() << "g_byte_array_unref (" << arg_name << ");" << endl; | |
2520 | } else { | |
2521 | f_service_ << indent() << "g_free (" << arg_name << ");" << endl; | |
2522 | } | |
2523 | indent_down(); | |
2524 | } | |
2525 | } else if (arg_type->is_container()) { | |
2526 | f_service_ << indent() << "if (" << arg_name << " != NULL)" << endl; | |
2527 | indent_up(); | |
2528 | ||
2529 | if (arg_type->is_list()) { | |
2530 | t_type* elem_type = ((t_list*)arg_type)->get_elem_type(); | |
2531 | ||
2532 | f_service_ << indent(); | |
2533 | if (is_numeric(elem_type)) { | |
2534 | f_service_ << "g_array_unref"; | |
2535 | } else { | |
2536 | f_service_ << "g_ptr_array_unref"; | |
2537 | } | |
2538 | f_service_ << " (" << arg_name << ");" << endl; | |
2539 | } else if (arg_type->is_map() || arg_type->is_set()) { | |
2540 | f_service_ << indent() << "g_hash_table_unref (" << arg_name << ");" << endl; | |
2541 | } | |
2542 | ||
2543 | indent_down(); | |
2544 | } else if (arg_type->is_struct()) { | |
2545 | f_service_ << indent() << "if (" << arg_name << " != NULL)" << endl; | |
2546 | indent_up(); | |
2547 | f_service_ << indent() << "g_object_unref (" << arg_name << ");" << endl; | |
2548 | indent_down(); | |
2549 | } | |
2550 | } | |
2551 | ||
2552 | if (!(*function_iter)->is_oneway()) { | |
2553 | f_service_ << indent() << "g_object_unref (result_struct);" << endl << endl << indent() | |
2554 | << "if (result == TRUE)" << endl; | |
2555 | indent_up(); | |
2556 | f_service_ << indent() << "result =" << endl; | |
2557 | indent_up(); | |
2558 | f_service_ << indent() << "((thrift_protocol_write_message_end " | |
2559 | << "(output_protocol, error) != -1) &&" << endl << indent() | |
2560 | << " (thrift_transport_write_end (transport, error) " | |
2561 | << "!= FALSE) &&" << endl << indent() | |
2562 | << " (thrift_transport_flush (transport, error) " | |
2563 | << "!= FALSE));" << endl; | |
2564 | indent_down(); | |
2565 | indent_down(); | |
2566 | } | |
2567 | scope_down(f_service_); | |
2568 | f_service_ << indent() << "else" << endl; | |
2569 | indent_up(); | |
2570 | f_service_ << indent() << "result = FALSE;" << endl; | |
2571 | indent_down(); | |
2572 | ||
2573 | f_service_ << endl << indent() << "g_object_unref (transport);" << endl << indent() | |
2574 | << "g_object_unref (args);" << endl << endl << indent() << "return result;" << endl; | |
2575 | scope_down(f_service_); | |
2576 | ||
2577 | f_service_ << endl; | |
2578 | } | |
2579 | ||
2580 | // Generate the processor's dispatch_call implementation | |
2581 | function_name = class_name_lc + "_dispatch_call"; | |
2582 | args_indent = indent() + string(function_name.length() + 2, ' '); | |
2583 | f_service_ << "static gboolean" << endl << function_name | |
2584 | << " (ThriftDispatchProcessor *dispatch_processor," << endl << args_indent | |
2585 | << "ThriftProtocol *input_protocol," << endl << args_indent | |
2586 | << "ThriftProtocol *output_protocol," << endl << args_indent << "gchar *method_name," | |
2587 | << endl << args_indent << "gint32 sequence_id," << endl << args_indent | |
2588 | << "GError **error)" << endl; | |
2589 | scope_up(f_service_); | |
2590 | f_service_ << indent() << class_name_lc << "_process_function_def *" | |
2591 | << "process_function_def;" << endl; | |
2592 | f_service_ << indent() << "gboolean dispatch_result = FALSE;" << endl << endl << indent() | |
2593 | << class_name << " *self = " << class_name_uc << " (dispatch_processor);" << endl; | |
2594 | f_service_ << indent() << parent_class_name << "Class " | |
2595 | "*parent_class =" << endl; | |
2596 | indent_up(); | |
2597 | f_service_ << indent() << "g_type_class_peek_parent (" << class_name_uc << "_GET_CLASS (self));" | |
2598 | << endl; | |
2599 | indent_down(); | |
2600 | f_service_ << endl | |
2601 | << indent() << "process_function_def = " | |
2602 | << "g_hash_table_lookup (self->process_map, method_name);" << endl | |
2603 | << indent() << "if (process_function_def != NULL)" << endl; | |
2604 | scope_up(f_service_); | |
2605 | args_indent = indent() + string(53, ' '); | |
2606 | f_service_ << indent() << "g_free (method_name);" << endl | |
2607 | << indent() << "dispatch_result = " | |
2608 | << "(*process_function_def->function) (self," << endl | |
2609 | << args_indent << "sequence_id," << endl | |
2610 | << args_indent << "input_protocol," << endl | |
2611 | << args_indent << "output_protocol," << endl | |
2612 | << args_indent << "error);" << endl; | |
2613 | scope_down(f_service_); | |
2614 | f_service_ << indent() << "else" << endl; | |
2615 | scope_up(f_service_); | |
2616 | ||
2617 | // Method name not recognized; chain up to our parent processor---note the | |
2618 | // top-most implementation of this method, in ThriftDispatchProcessor itself, | |
2619 | // will return an application exception to the caller if no class in the | |
2620 | // hierarchy recognizes the method name | |
2621 | f_service_ << indent() << "dispatch_result = parent_class->dispatch_call " | |
2622 | "(dispatch_processor," << endl; | |
2623 | args_indent = indent() + string(47, ' '); | |
2624 | f_service_ << args_indent << "input_protocol," << endl << args_indent << "output_protocol," | |
2625 | << endl << args_indent << "method_name," << endl << args_indent << "sequence_id," | |
2626 | << endl << args_indent << "error);" << endl; | |
2627 | scope_down(f_service_); | |
2628 | f_service_ << endl << indent() << "return dispatch_result;" << endl; | |
2629 | scope_down(f_service_); | |
2630 | f_service_ << endl; | |
2631 | ||
2632 | // Generate the processor's property setter | |
2633 | function_name = class_name_lc + "_set_property"; | |
2634 | args_indent = string(function_name.length() + 2, ' '); | |
2635 | f_service_ << "static void" << endl << function_name << " (GObject *object," << endl | |
2636 | << args_indent << "guint property_id," << endl << args_indent << "const GValue *value," | |
2637 | << endl << args_indent << "GParamSpec *pspec)" << endl; | |
2638 | scope_up(f_service_); | |
2639 | f_service_ << indent() << class_name << " *self = " << class_name_uc << " (object);" << endl | |
2640 | << endl << indent() << "switch (property_id)" << endl; | |
2641 | scope_up(f_service_); | |
2642 | f_service_ << indent() << "case PROP_" << class_name_uc << "_HANDLER:" << endl; | |
2643 | indent_up(); | |
2644 | f_service_ << indent() << "if (self->handler != NULL)" << endl; | |
2645 | indent_up(); | |
2646 | f_service_ << indent() << "g_object_unref (self->handler);" << endl; | |
2647 | indent_down(); | |
2648 | f_service_ << indent() << "self->handler = g_value_get_object (value);" << endl << indent() | |
2649 | << "g_object_ref (self->handler);" << endl; | |
2650 | if (extends_service) { | |
2651 | // Chain up to set the handler in every superclass as well | |
2652 | f_service_ << endl << indent() << "G_OBJECT_CLASS (" << class_name_lc << "_parent_class)->" | |
2653 | << endl; | |
2654 | indent_up(); | |
2655 | f_service_ << indent() << "set_property (object, property_id, value, pspec);" << endl; | |
2656 | indent_down(); | |
2657 | } | |
2658 | f_service_ << indent() << "break;" << endl; | |
2659 | indent_down(); | |
2660 | f_service_ << indent() << "default:" << endl; | |
2661 | indent_up(); | |
2662 | f_service_ << indent() << "G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);" | |
2663 | << endl << indent() << "break;" << endl; | |
2664 | indent_down(); | |
2665 | scope_down(f_service_); | |
2666 | scope_down(f_service_); | |
2667 | f_service_ << endl; | |
2668 | ||
2669 | // Generate processor's property getter | |
2670 | function_name = class_name_lc + "_get_property"; | |
2671 | args_indent = string(function_name.length() + 2, ' '); | |
2672 | f_service_ << "static void" << endl << function_name << " (GObject *object," << endl | |
2673 | << args_indent << "guint property_id," << endl << args_indent << "GValue *value," | |
2674 | << endl << args_indent << "GParamSpec *pspec)" << endl; | |
2675 | scope_up(f_service_); | |
2676 | f_service_ << indent() << class_name << " *self = " << class_name_uc << " (object);" << endl | |
2677 | << endl << indent() << "switch (property_id)" << endl; | |
2678 | scope_up(f_service_); | |
2679 | f_service_ << indent() << "case PROP_" << class_name_uc << "_HANDLER:" << endl; | |
2680 | indent_up(); | |
2681 | f_service_ << indent() << "g_value_set_object (value, self->handler);" << endl << indent() | |
2682 | << "break;" << endl; | |
2683 | indent_down(); | |
2684 | f_service_ << indent() << "default:" << endl; | |
2685 | indent_up(); | |
2686 | f_service_ << indent() << "G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);" | |
2687 | << endl << indent() << "break;" << endl; | |
2688 | indent_down(); | |
2689 | scope_down(f_service_); | |
2690 | scope_down(f_service_); | |
2691 | f_service_ << endl; | |
2692 | ||
2693 | // Generator the processor's dispose function | |
2694 | f_service_ << "static void" << endl << class_name_lc << "_dispose (GObject *gobject)" << endl; | |
2695 | scope_up(f_service_); | |
2696 | f_service_ << indent() << class_name << " *self = " << class_name_uc << " (gobject);" << endl | |
2697 | << endl << indent() << "if (self->handler != NULL)" << endl; | |
2698 | scope_up(f_service_); | |
2699 | f_service_ << indent() << "g_object_unref (self->handler);" << endl << indent() | |
2700 | << "self->handler = NULL;" << endl; | |
2701 | scope_down(f_service_); | |
2702 | f_service_ << endl << indent() << "G_OBJECT_CLASS (" << class_name_lc << "_parent_class)" | |
2703 | "->dispose (gobject);" | |
2704 | << endl; | |
2705 | scope_down(f_service_); | |
2706 | f_service_ << endl; | |
2707 | ||
2708 | // Generate processor finalize function | |
2709 | f_service_ << "static void" << endl << class_name_lc << "_finalize (GObject *gobject)" << endl; | |
2710 | scope_up(f_service_); | |
2711 | f_service_ << indent() << this->nspace << service_name_ << "Processor *self = " << this->nspace_uc | |
2712 | << service_name_uc << "_PROCESSOR (gobject);" << endl << endl << indent() | |
2713 | << "thrift_safe_hash_table_destroy (self->process_map);" << endl << endl << indent() | |
2714 | << "G_OBJECT_CLASS (" << class_name_lc << "_parent_class)" | |
2715 | "->finalize (gobject);" << endl; | |
2716 | scope_down(f_service_); | |
2717 | f_service_ << endl; | |
2718 | ||
2719 | // Generate processor instance initializer | |
2720 | f_service_ << "static void" << endl << class_name_lc << "_init (" << class_name << " *self)" | |
2721 | << endl; | |
2722 | scope_up(f_service_); | |
2723 | if (functions.size() > 0) { | |
2724 | f_service_ << indent() << "guint index;" << endl | |
2725 | << endl; | |
2726 | } | |
2727 | f_service_ << indent() << "self->handler = NULL;" << endl << indent() | |
2728 | << "self->process_map = " | |
2729 | "g_hash_table_new (g_str_hash, g_str_equal);" << endl; | |
2730 | if (functions.size() > 0) { | |
2731 | args_indent = string(21, ' '); | |
2732 | f_service_ << endl | |
2733 | << indent() << "for (index = 0; index < " | |
2734 | << functions.size() << "; index += 1)" << endl; | |
2735 | indent_up(); | |
2736 | f_service_ << indent() << "g_hash_table_insert (self->process_map," << endl | |
2737 | << indent() << args_indent | |
2738 | << class_name_lc << "_process_function_defs[index].name," << endl | |
2739 | << indent() << args_indent | |
2740 | << "&" << class_name_lc << "_process_function_defs[index]" << ");" | |
2741 | << endl; | |
2742 | indent_down(); | |
2743 | } | |
2744 | scope_down(f_service_); | |
2745 | f_service_ << endl; | |
2746 | ||
2747 | // Generate processor class initializer | |
2748 | f_service_ << "static void" << endl << class_name_lc << "_class_init (" << class_name | |
2749 | << "Class *cls)" << endl; | |
2750 | scope_up(f_service_); | |
2751 | f_service_ << indent() << "GObjectClass *gobject_class = G_OBJECT_CLASS (cls);" << endl | |
2752 | << indent() << "ThriftDispatchProcessorClass *dispatch_processor_class =" << endl; | |
2753 | indent_up(); | |
2754 | f_service_ << indent() << "THRIFT_DISPATCH_PROCESSOR_CLASS (cls);" << endl; | |
2755 | indent_down(); | |
2756 | f_service_ << indent() << "GParamSpec *param_spec;" << endl << endl << indent() | |
2757 | << "gobject_class->dispose = " << class_name_lc << "_dispose;" << endl << indent() | |
2758 | << "gobject_class->finalize = " << class_name_lc << "_finalize;" << endl << indent() | |
2759 | << "gobject_class->set_property = " << class_name_lc << "_set_property;" << endl | |
2760 | << indent() << "gobject_class->get_property = " << class_name_lc << "_get_property;" | |
2761 | << endl << endl << indent() | |
2762 | << "dispatch_processor_class->dispatch_call = " << class_name_lc << "_dispatch_call;" | |
2763 | << endl << indent() << "cls->dispatch_call = " << class_name_lc << "_dispatch_call;" | |
2764 | << endl << endl << indent() << "param_spec = g_param_spec_object (\"handler\"," | |
2765 | << endl; | |
2766 | args_indent = indent() + string(34, ' '); | |
2767 | f_service_ << args_indent << "\"Service handler implementation\"," << endl << args_indent | |
2768 | << "\"The service handler implementation \"" << endl << args_indent | |
2769 | << "\"to which method calls are dispatched.\"," << endl << args_indent | |
2770 | << this->nspace_uc + "TYPE_" + service_name_uc + "_HANDLER," << endl << args_indent | |
2771 | << "G_PARAM_READWRITE);" << endl; | |
2772 | f_service_ << indent() << "g_object_class_install_property (gobject_class," << endl; | |
2773 | args_indent = indent() + string(33, ' '); | |
2774 | f_service_ << args_indent << "PROP_" << class_name_uc << "_HANDLER," << endl << args_indent | |
2775 | << "param_spec);" << endl; | |
2776 | scope_down(f_service_); | |
2777 | } | |
2778 | ||
2779 | /** | |
2780 | * Generates C code that represents a Thrift service server. | |
2781 | */ | |
2782 | void t_c_glib_generator::generate_service_server(t_service* tservice) { | |
2783 | (void)tservice; | |
2784 | // Generate the service's handler class | |
2785 | generate_service_handler(tservice); | |
2786 | ||
2787 | // Generate the service's processor class | |
2788 | generate_service_processor(tservice); | |
2789 | } | |
2790 | ||
2791 | /** | |
2792 | * Generates C code to represent a THrift structure as a GObject. | |
2793 | */ | |
2794 | void t_c_glib_generator::generate_object(t_struct* tstruct) { | |
2795 | string name = tstruct->get_name(); | |
2796 | string name_u = initial_caps_to_underscores(name); | |
2797 | string name_uc = to_upper_case(name_u); | |
2798 | ||
2799 | string class_name = this->nspace + name; | |
2800 | string class_name_lc = this->nspace_lc + initial_caps_to_underscores(name); | |
2801 | string class_name_uc = to_upper_case(class_name_lc); | |
2802 | ||
2803 | string function_name; | |
2804 | string args_indent; | |
2805 | ||
2806 | // write the instance definition | |
2807 | f_types_ << "struct _" << this->nspace << name << endl << "{ " << endl | |
2808 | << " ThriftStruct parent; " << endl << endl << " /* public */" << endl; | |
2809 | ||
2810 | // for each field, add a member variable | |
2811 | vector<t_field*>::const_iterator m_iter; | |
2812 | const vector<t_field*>& members = tstruct->get_members(); | |
2813 | for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { | |
2814 | t_type* t = get_true_type((*m_iter)->get_type()); | |
2815 | f_types_ << " " << type_name(t) << " " << (*m_iter)->get_name() << ";" << endl; | |
2816 | if ((*m_iter)->get_req() != t_field::T_REQUIRED) { | |
2817 | f_types_ << " gboolean __isset_" << (*m_iter)->get_name() << ";" << endl; | |
2818 | } | |
2819 | } | |
2820 | ||
2821 | // close the structure definition and create a typedef | |
2822 | f_types_ << "};" << endl << "typedef struct _" << this->nspace << name << " " << this->nspace | |
2823 | << name << ";" << endl << endl; | |
2824 | ||
2825 | // write the class definition | |
2826 | f_types_ << "struct _" << this->nspace << name << "Class" << endl << "{" << endl | |
2827 | << " ThriftStructClass parent;" << endl << "};" << endl << "typedef struct _" | |
2828 | << this->nspace << name << "Class " << this->nspace << name << "Class;" << endl << endl; | |
2829 | ||
2830 | // write the standard GObject boilerplate | |
2831 | f_types_ << "GType " << this->nspace_lc << name_u << "_get_type (void);" << endl << "#define " | |
2832 | << this->nspace_uc << "TYPE_" << name_uc << " (" << this->nspace_lc << name_u | |
2833 | << "_get_type())" << endl << "#define " << this->nspace_uc << name_uc | |
2834 | << "(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), " << this->nspace_uc << "TYPE_" << name_uc | |
2835 | << ", " << this->nspace << name << "))" << endl << "#define " << this->nspace_uc | |
2836 | << name_uc << "_CLASS(c) (G_TYPE_CHECK_CLASS_CAST ((c), " << this->nspace_uc << "_TYPE_" | |
2837 | << name_uc << ", " << this->nspace << name << "Class))" << endl << "#define " | |
2838 | << this->nspace_uc << "IS_" << name_uc << "(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), " | |
2839 | << this->nspace_uc << "TYPE_" << name_uc << "))" << endl << "#define " << this->nspace_uc | |
2840 | << "IS_" << name_uc << "_CLASS(c) (G_TYPE_CHECK_CLASS_TYPE ((c), " << this->nspace_uc | |
2841 | << "TYPE_" << name_uc << "))" << endl << "#define " << this->nspace_uc << name_uc | |
2842 | << "_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), " << this->nspace_uc << "TYPE_" | |
2843 | << name_uc << ", " << this->nspace << name << "Class))" << endl << endl; | |
2844 | ||
2845 | // start writing the object implementation .c file | |
2846 | ||
2847 | // generate properties enum | |
2848 | if (members.size() > 0) { | |
2849 | f_types_impl_ << "enum _" << class_name << "Properties" << endl << "{" << endl; | |
2850 | indent_up(); | |
2851 | f_types_impl_ << indent() << "PROP_" << class_name_uc << "_0"; | |
2852 | for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { | |
2853 | string member_name_uc | |
2854 | = to_upper_case(to_lower_case(initial_caps_to_underscores((*m_iter)->get_name()))); | |
2855 | ||
2856 | f_types_impl_ << "," << endl << indent() << "PROP_" << class_name_uc << "_" << member_name_uc; | |
2857 | } | |
2858 | f_types_impl_ << endl; | |
2859 | indent_down(); | |
2860 | f_types_impl_ << "};" << endl << endl; | |
2861 | } | |
2862 | ||
2863 | // generate struct I/O methods | |
2864 | string this_get = this->nspace + name + " * this_object = " + this->nspace_uc + name_uc | |
2865 | + "(object);"; | |
2866 | generate_struct_reader(f_types_impl_, tstruct, "this_object->", this_get); | |
2867 | generate_struct_writer(f_types_impl_, tstruct, "this_object->", this_get); | |
2868 | ||
2869 | // generate property setter and getter | |
2870 | if (members.size() > 0) { | |
2871 | // generate property setter | |
2872 | function_name = class_name_lc + "_set_property"; | |
2873 | args_indent = string(function_name.length() + 2, ' '); | |
2874 | f_types_impl_ << "static void" << endl << function_name << " (GObject *object," << endl | |
2875 | << args_indent << "guint property_id," << endl << args_indent | |
2876 | << "const GValue *value," << endl << args_indent << "GParamSpec *pspec)" << endl; | |
2877 | scope_up(f_types_impl_); | |
2878 | f_types_impl_ << indent() << class_name << " *self = " << class_name_uc << " (object);" << endl | |
2879 | << endl << indent() << "switch (property_id)" << endl; | |
2880 | scope_up(f_types_impl_); | |
2881 | for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { | |
2882 | t_field* member = (*m_iter); | |
2883 | string member_name = member->get_name(); | |
2884 | string member_name_uc | |
2885 | = to_upper_case(to_lower_case(initial_caps_to_underscores(member_name))); | |
2886 | t_type* member_type = get_true_type(member->get_type()); | |
2887 | ||
2888 | string property_identifier = "PROP_" + class_name_uc + "_" + member_name_uc; | |
2889 | ||
2890 | f_types_impl_ << indent() << "case " << property_identifier + ":" << endl; | |
2891 | indent_up(); | |
2892 | ||
2893 | if (member_type->is_base_type()) { | |
2894 | t_base_type* base_type = ((t_base_type*)member_type); | |
2895 | string assign_function_name; | |
2896 | ||
2897 | if (base_type->get_base() == t_base_type::TYPE_STRING) { | |
2898 | string release_function_name; | |
2899 | ||
2900 | f_types_impl_ << indent() << "if (self->" << member_name << " != NULL)" << endl; | |
2901 | indent_up(); | |
2902 | ||
2903 | if (base_type->is_binary()) { | |
2904 | release_function_name = "g_byte_array_unref"; | |
2905 | assign_function_name = "g_value_dup_boxed"; | |
2906 | } else { | |
2907 | release_function_name = "g_free"; | |
2908 | assign_function_name = "g_value_dup_string"; | |
2909 | } | |
2910 | ||
2911 | f_types_impl_ << indent() << release_function_name << " (self->" << member_name << ");" | |
2912 | << endl; | |
2913 | indent_down(); | |
2914 | } else { | |
2915 | switch (base_type->get_base()) { | |
2916 | case t_base_type::TYPE_BOOL: | |
2917 | assign_function_name = "g_value_get_boolean"; | |
2918 | break; | |
2919 | ||
2920 | case t_base_type::TYPE_I8: | |
2921 | case t_base_type::TYPE_I16: | |
2922 | case t_base_type::TYPE_I32: | |
2923 | assign_function_name = "g_value_get_int"; | |
2924 | break; | |
2925 | ||
2926 | case t_base_type::TYPE_I64: | |
2927 | assign_function_name = "g_value_get_int64"; | |
2928 | break; | |
2929 | ||
2930 | case t_base_type::TYPE_DOUBLE: | |
2931 | assign_function_name = "g_value_get_double"; | |
2932 | break; | |
2933 | ||
2934 | default: | |
2935 | throw "compiler error: " | |
2936 | "unrecognized base type \"" + base_type->get_name() + "\" " | |
2937 | "for struct member \"" | |
2938 | + member_name + "\""; | |
2939 | break; | |
2940 | } | |
2941 | } | |
2942 | ||
2943 | f_types_impl_ << indent() << "self->" << member_name << " = " << assign_function_name | |
2944 | << " (value);" << endl; | |
2945 | } else if (member_type->is_enum()) { | |
2946 | f_types_impl_ << indent() << "self->" << member_name << " = g_value_get_int (value);" | |
2947 | << endl; | |
2948 | } else if (member_type->is_container()) { | |
2949 | string release_function_name; | |
2950 | string assign_function_name; | |
2951 | ||
2952 | if (member_type->is_list()) { | |
2953 | t_type* elem_type = ((t_list*)member_type)->get_elem_type(); | |
2954 | ||
2955 | // Lists of base types other than strings are represented as GArrays; | |
2956 | // all others as GPtrArrays | |
2957 | if (is_numeric(elem_type)) { | |
2958 | release_function_name = "g_array_unref"; | |
2959 | } else { | |
2960 | release_function_name = "g_ptr_array_unref"; | |
2961 | } | |
2962 | ||
2963 | assign_function_name = "g_value_dup_boxed"; | |
2964 | } else if (member_type->is_set() || member_type->is_map()) { | |
2965 | release_function_name = "g_hash_table_unref"; | |
2966 | assign_function_name = "g_value_dup_boxed"; | |
2967 | } | |
2968 | ||
2969 | f_types_impl_ << indent() << "if (self->" << member_name << " != NULL)" << endl; | |
2970 | indent_up(); | |
2971 | f_types_impl_ << indent() << release_function_name << " (self->" << member_name << ");" | |
2972 | << endl; | |
2973 | indent_down(); | |
2974 | f_types_impl_ << indent() << "self->" << member_name << " = " << assign_function_name | |
2975 | << " (value);" << endl; | |
2976 | } else if (member_type->is_struct() || member_type->is_xception()) { | |
2977 | f_types_impl_ << indent() << "if (self->" << member_name << " != NULL)" << endl; | |
2978 | indent_up(); | |
2979 | f_types_impl_ << indent() << "g_object_unref (self->" << member_name << ");" << endl; | |
2980 | indent_down(); | |
2981 | f_types_impl_ << indent() << "self->" << member_name << " = g_value_dup_object (value);" | |
2982 | << endl; | |
2983 | } | |
2984 | ||
2985 | if (member->get_req() != t_field::T_REQUIRED) { | |
2986 | f_types_impl_ << indent() << "self->__isset_" << member_name << " = TRUE;" << endl; | |
2987 | } | |
2988 | ||
2989 | f_types_impl_ << indent() << "break;" << endl << endl; | |
2990 | indent_down(); | |
2991 | } | |
2992 | f_types_impl_ << indent() << "default:" << endl; | |
2993 | indent_up(); | |
2994 | f_types_impl_ << indent() << "G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);" | |
2995 | << endl << indent() << "break;" << endl; | |
2996 | indent_down(); | |
2997 | scope_down(f_types_impl_); | |
2998 | scope_down(f_types_impl_); | |
2999 | f_types_impl_ << endl; | |
3000 | ||
3001 | // generate property getter | |
3002 | function_name = class_name_lc + "_get_property"; | |
3003 | args_indent = string(function_name.length() + 2, ' '); | |
3004 | f_types_impl_ << "static void" << endl << function_name << " (GObject *object," << endl | |
3005 | << args_indent << "guint property_id," << endl << args_indent << "GValue *value," | |
3006 | << endl << args_indent << "GParamSpec *pspec)" << endl; | |
3007 | scope_up(f_types_impl_); | |
3008 | f_types_impl_ << indent() << class_name << " *self = " << class_name_uc << " (object);" << endl | |
3009 | << endl << indent() << "switch (property_id)" << endl; | |
3010 | scope_up(f_types_impl_); | |
3011 | for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { | |
3012 | t_field* member = (*m_iter); | |
3013 | string member_name = (*m_iter)->get_name(); | |
3014 | string member_name_uc | |
3015 | = to_upper_case(to_lower_case(initial_caps_to_underscores(member_name))); | |
3016 | t_type* member_type = get_true_type(member->get_type()); | |
3017 | ||
3018 | string property_identifier = "PROP_" + class_name_uc + "_" + member_name_uc; | |
3019 | ||
3020 | string setter_function_name; | |
3021 | ||
3022 | if (member_type->is_base_type()) { | |
3023 | t_base_type* base_type = ((t_base_type*)member_type); | |
3024 | ||
3025 | switch (base_type->get_base()) { | |
3026 | case t_base_type::TYPE_BOOL: | |
3027 | setter_function_name = "g_value_set_boolean"; | |
3028 | break; | |
3029 | ||
3030 | case t_base_type::TYPE_I8: | |
3031 | case t_base_type::TYPE_I16: | |
3032 | case t_base_type::TYPE_I32: | |
3033 | setter_function_name = "g_value_set_int"; | |
3034 | break; | |
3035 | ||
3036 | case t_base_type::TYPE_I64: | |
3037 | setter_function_name = "g_value_set_int64"; | |
3038 | break; | |
3039 | ||
3040 | case t_base_type::TYPE_DOUBLE: | |
3041 | setter_function_name = "g_value_set_double"; | |
3042 | break; | |
3043 | ||
3044 | case t_base_type::TYPE_STRING: | |
3045 | if (base_type->is_binary()) { | |
3046 | setter_function_name = "g_value_set_boxed"; | |
3047 | } else { | |
3048 | setter_function_name = "g_value_set_string"; | |
3049 | } | |
3050 | break; | |
3051 | ||
3052 | default: | |
3053 | throw "compiler error: " | |
3054 | "unrecognized base type \"" + base_type->get_name() + "\" " | |
3055 | "for struct member \"" | |
3056 | + member_name + "\""; | |
3057 | break; | |
3058 | } | |
3059 | } else if (member_type->is_enum()) { | |
3060 | setter_function_name = "g_value_set_int"; | |
3061 | } else if (member_type->is_struct() || member_type->is_xception()) { | |
3062 | setter_function_name = "g_value_set_object"; | |
3063 | } else if (member_type->is_container()) { | |
3064 | setter_function_name = "g_value_set_boxed"; | |
3065 | } else { | |
3066 | throw "compiler error: " | |
3067 | "unrecognized type for struct member \"" + member_name + "\""; | |
3068 | } | |
3069 | ||
3070 | f_types_impl_ << indent() << "case " << property_identifier + ":" << endl; | |
3071 | indent_up(); | |
3072 | f_types_impl_ << indent() << setter_function_name << " (value, self->" << member_name << ");" | |
3073 | << endl << indent() << "break;" << endl << endl; | |
3074 | indent_down(); | |
3075 | } | |
3076 | f_types_impl_ << indent() << "default:" << endl; | |
3077 | indent_up(); | |
3078 | f_types_impl_ << indent() << "G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);" | |
3079 | << endl << indent() << "break;" << endl; | |
3080 | indent_down(); | |
3081 | scope_down(f_types_impl_); | |
3082 | scope_down(f_types_impl_); | |
3083 | f_types_impl_ << endl; | |
3084 | } | |
3085 | ||
3086 | // generate the instance init function | |
3087 | ||
3088 | f_types_impl_ << "static void " << endl << this->nspace_lc << name_u << "_instance_init (" | |
3089 | << this->nspace << name << " * object)" << endl << "{" << endl; | |
3090 | indent_up(); | |
3091 | ||
3092 | // generate default-value structures for container-type members | |
3093 | bool constant_declaration_output = false; | |
3094 | bool string_list_constant_output = false; | |
3095 | for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { | |
3096 | t_field* member = *m_iter; | |
3097 | t_const_value* member_value = member->get_value(); | |
3098 | ||
3099 | if (member_value != NULL) { | |
3100 | string member_name = member->get_name(); | |
3101 | t_type* member_type = get_true_type(member->get_type()); | |
3102 | ||
3103 | if (member_type->is_list()) { | |
3104 | const vector<t_const_value*>& list = member_value->get_list(); | |
3105 | t_type* elem_type = ((t_list*)member_type)->get_elem_type(); | |
3106 | ||
3107 | // Generate an array with the list literal | |
3108 | indent(f_types_impl_) << "static " << type_name(elem_type, false, true) << " __default_" | |
3109 | << member_name << "[" << list.size() << "] = " << endl; | |
3110 | indent_up(); | |
3111 | f_types_impl_ << indent() << constant_literal(member_type, member_value) << ";" << endl; | |
3112 | indent_down(); | |
3113 | ||
3114 | constant_declaration_output = true; | |
3115 | ||
3116 | // If we are generating values for a pointer array (i.e. a list of | |
3117 | // strings), set a flag so we know to also declare an index variable to | |
3118 | // use in pre-populating the array | |
3119 | if (elem_type->is_string()) { | |
3120 | string_list_constant_output = true; | |
3121 | } | |
3122 | } | |
3123 | ||
3124 | // TODO: Handle container types other than list | |
3125 | } | |
3126 | } | |
3127 | if (constant_declaration_output) { | |
3128 | if (string_list_constant_output) { | |
3129 | indent(f_types_impl_) << "unsigned int list_index;" << endl; | |
3130 | } | |
3131 | ||
3132 | f_types_impl_ << endl; | |
3133 | } | |
3134 | ||
3135 | // satisfy compilers with -Wall turned on | |
3136 | indent(f_types_impl_) << "/* satisfy -Wall */" << endl << indent() | |
3137 | << "THRIFT_UNUSED_VAR (object);" << endl; | |
3138 | ||
3139 | for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { | |
3140 | t_type* member_type = (*m_iter)->get_type(); | |
3141 | t_type* t = get_true_type(member_type); | |
3142 | if (t->is_base_type()) { | |
3143 | string dval = " = "; | |
3144 | if (t->is_enum()) { | |
3145 | dval += "(" + type_name(t) + ")"; | |
3146 | } | |
3147 | t_const_value* cv = (*m_iter)->get_value(); | |
3148 | if (cv != NULL) { | |
3149 | dval += constant_value("", t, cv); | |
3150 | } else { | |
3151 | dval += t->is_string() ? "NULL" : "0"; | |
3152 | } | |
3153 | indent(f_types_impl_) << "object->" << (*m_iter)->get_name() << dval << ";" << endl; | |
3154 | } else if (t->is_struct()) { | |
3155 | string name = (*m_iter)->get_name(); | |
3156 | t_program* type_program = member_type->get_program(); | |
3157 | string type_nspace = type_program ? type_program->get_namespace("c_glib") : ""; | |
3158 | string type_nspace_prefix = | |
3159 | type_nspace.empty() ? "" : initial_caps_to_underscores(type_nspace) + "_"; | |
3160 | string type_name_uc = to_upper_case(initial_caps_to_underscores(member_type->get_name())); | |
3161 | indent(f_types_impl_) << "object->" << name << " = g_object_new (" | |
3162 | << to_upper_case(type_nspace_prefix) << "TYPE_" << type_name_uc | |
3163 | << ", NULL);" << endl; | |
3164 | } else if (t->is_xception()) { | |
3165 | string name = (*m_iter)->get_name(); | |
3166 | indent(f_types_impl_) << "object->" << name << " = NULL;" << endl; | |
3167 | } else if (t->is_container()) { | |
3168 | string name = (*m_iter)->get_name(); | |
3169 | string init_function; | |
3170 | t_type* etype = NULL; | |
3171 | ||
3172 | if (t->is_map()) { | |
3173 | t_type* key = ((t_map*)t)->get_key_type(); | |
3174 | t_type* value = ((t_map*)t)->get_val_type(); | |
3175 | init_function = generate_new_hash_from_type(key, value); | |
3176 | } else if (t->is_set()) { | |
3177 | etype = ((t_set*)t)->get_elem_type(); | |
3178 | init_function = generate_new_hash_from_type(etype, NULL); | |
3179 | } else if (t->is_list()) { | |
3180 | etype = ((t_list*)t)->get_elem_type(); | |
3181 | init_function = generate_new_array_from_type(etype); | |
3182 | } | |
3183 | ||
3184 | indent(f_types_impl_) << "object->" << name << " = " << init_function << endl; | |
3185 | ||
3186 | // Pre-populate the container with the specified default values, if any | |
3187 | if ((*m_iter)->get_value()) { | |
3188 | t_const_value* member_value = (*m_iter)->get_value(); | |
3189 | ||
3190 | if (t->is_list()) { | |
3191 | const vector<t_const_value*>& list = member_value->get_list(); | |
3192 | ||
3193 | if (is_numeric(etype)) { | |
3194 | indent(f_types_impl_) << | |
3195 | "g_array_append_vals (object->" << name << ", &__default_" << | |
3196 | name << ", " << list.size() << ");" << endl; | |
3197 | } | |
3198 | else { | |
3199 | indent(f_types_impl_) << | |
3200 | "for (list_index = 0; list_index < " << list.size() << "; " << | |
3201 | "list_index += 1)" << endl; | |
3202 | indent_up(); | |
3203 | indent(f_types_impl_) << | |
3204 | "g_ptr_array_add (object->" << name << "," << endl << | |
3205 | indent() << string(17, ' ') << "g_strdup (__default_" << | |
3206 | name << "[list_index]));" << endl; | |
3207 | indent_down(); | |
3208 | } | |
3209 | } | |
3210 | ||
3211 | // TODO: Handle container types other than list | |
3212 | } | |
3213 | } | |
3214 | ||
3215 | /* if not required, initialize the __isset variable */ | |
3216 | if ((*m_iter)->get_req() != t_field::T_REQUIRED) { | |
3217 | indent(f_types_impl_) << "object->__isset_" << (*m_iter)->get_name() << " = FALSE;" << endl; | |
3218 | } | |
3219 | } | |
3220 | ||
3221 | indent_down(); | |
3222 | f_types_impl_ << "}" << endl << endl; | |
3223 | ||
3224 | /* create the destructor */ | |
3225 | f_types_impl_ << "static void " << endl << this->nspace_lc << name_u | |
3226 | << "_finalize (GObject *object)" << endl << "{" << endl; | |
3227 | indent_up(); | |
3228 | ||
3229 | f_types_impl_ << indent() << this->nspace << name << " *tobject = " << this->nspace_uc << name_uc | |
3230 | << " (object);" << endl << endl; | |
3231 | ||
3232 | f_types_impl_ << indent() << "/* satisfy -Wall in case we don't use tobject */" << endl | |
3233 | << indent() << "THRIFT_UNUSED_VAR (tobject);" << endl; | |
3234 | ||
3235 | for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { | |
3236 | t_type* t = get_true_type((*m_iter)->get_type()); | |
3237 | if (t->is_container()) { | |
3238 | string name = (*m_iter)->get_name(); | |
3239 | if (t->is_map() || t->is_set()) { | |
3240 | f_types_impl_ << indent() << "if (tobject->" << name << " != NULL)" << endl; | |
3241 | f_types_impl_ << indent() << "{" << endl; | |
3242 | indent_up(); | |
3243 | f_types_impl_ << indent() << "g_hash_table_destroy (tobject->" << name << ");" << endl; | |
3244 | f_types_impl_ << indent() << "tobject->" << name << " = NULL;" << endl; | |
3245 | indent_down(); | |
3246 | f_types_impl_ << indent() << "}" << endl; | |
3247 | } else if (t->is_list()) { | |
3248 | t_type* etype = ((t_list*)t)->get_elem_type(); | |
3249 | string destructor_function = "g_ptr_array_unref"; | |
3250 | ||
3251 | if (etype->is_base_type()) { | |
3252 | t_base_type::t_base tbase = ((t_base_type*)etype)->get_base(); | |
3253 | switch (tbase) { | |
3254 | case t_base_type::TYPE_VOID: | |
3255 | throw "compiler error: cannot determine array type"; | |
3256 | case t_base_type::TYPE_BOOL: | |
3257 | case t_base_type::TYPE_I8: | |
3258 | case t_base_type::TYPE_I16: | |
3259 | case t_base_type::TYPE_I32: | |
3260 | case t_base_type::TYPE_I64: | |
3261 | case t_base_type::TYPE_DOUBLE: | |
3262 | destructor_function = "g_array_unref"; | |
3263 | break; | |
3264 | case t_base_type::TYPE_STRING: | |
3265 | break; | |
3266 | default: | |
3267 | throw "compiler error: no array info for type"; | |
3268 | } | |
3269 | } else if (etype->is_enum()) { | |
3270 | destructor_function = "g_array_unref"; | |
3271 | } | |
3272 | ||
3273 | f_types_impl_ << indent() << "if (tobject->" << name << " != NULL)" << endl; | |
3274 | f_types_impl_ << indent() << "{" << endl; | |
3275 | indent_up(); | |
3276 | f_types_impl_ << indent() << destructor_function << " (tobject->" << name << ");" << endl; | |
3277 | f_types_impl_ << indent() << "tobject->" << name << " = NULL;" << endl; | |
3278 | indent_down(); | |
3279 | f_types_impl_ << indent() << "}" << endl; | |
3280 | } | |
3281 | } else if (t->is_struct() || t->is_xception()) { | |
3282 | string name = (*m_iter)->get_name(); | |
3283 | // TODO: g_clear_object needs glib >= 2.28 | |
3284 | // f_types_impl_ << indent() << "g_clear_object (&(tobject->" << name << "));" << endl; | |
3285 | // does g_object_unref the trick? | |
3286 | f_types_impl_ << indent() << "if (tobject->" << name << " != NULL)" << endl; | |
3287 | f_types_impl_ << indent() << "{" << endl; | |
3288 | indent_up(); | |
3289 | f_types_impl_ << indent() << "g_object_unref(tobject->" << name << ");" << endl; | |
3290 | f_types_impl_ << indent() << "tobject->" << name << " = NULL;" << endl; | |
3291 | indent_down(); | |
3292 | f_types_impl_ << indent() << "}" << endl; | |
3293 | } else if (t->is_string()) { | |
3294 | string name = (*m_iter)->get_name(); | |
3295 | f_types_impl_ << indent() << "if (tobject->" << name << " != NULL)" << endl; | |
3296 | f_types_impl_ << indent() << "{" << endl; | |
3297 | indent_up(); | |
3298 | f_types_impl_ << indent() << generate_free_func_from_type(t) << "(tobject->" << name << ");" | |
3299 | << endl; | |
3300 | f_types_impl_ << indent() << "tobject->" << name << " = NULL;" << endl; | |
3301 | indent_down(); | |
3302 | f_types_impl_ << indent() << "}" << endl; | |
3303 | } | |
3304 | } | |
3305 | ||
3306 | indent_down(); | |
3307 | f_types_impl_ << "}" << endl << endl; | |
3308 | ||
3309 | // generate the class init function | |
3310 | ||
3311 | f_types_impl_ << "static void" << endl << class_name_lc << "_class_init (" << class_name | |
3312 | << "Class * cls)" << endl; | |
3313 | scope_up(f_types_impl_); | |
3314 | ||
3315 | f_types_impl_ << indent() << "GObjectClass *gobject_class = G_OBJECT_CLASS (cls);" << endl | |
3316 | << indent() << "ThriftStructClass *struct_class = " | |
3317 | << "THRIFT_STRUCT_CLASS (cls);" << endl << endl << indent() | |
3318 | << "struct_class->read = " << class_name_lc << "_read;" << endl << indent() | |
3319 | << "struct_class->write = " << class_name_lc << "_write;" << endl << endl | |
3320 | << indent() << "gobject_class->finalize = " << class_name_lc << "_finalize;" | |
3321 | << endl; | |
3322 | if (members.size() > 0) { | |
3323 | f_types_impl_ << indent() << "gobject_class->get_property = " << class_name_lc | |
3324 | << "_get_property;" << endl << indent() | |
3325 | << "gobject_class->set_property = " << class_name_lc << "_set_property;" << endl; | |
3326 | ||
3327 | // install a property for each member | |
3328 | for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { | |
3329 | t_field* member = (*m_iter); | |
3330 | string member_name = member->get_name(); | |
3331 | string member_name_uc | |
3332 | = to_upper_case(to_lower_case(initial_caps_to_underscores(member_name))); | |
3333 | t_type* member_type = get_true_type(member->get_type()); | |
3334 | t_const_value* member_value = member->get_value(); | |
3335 | ||
3336 | string property_identifier = "PROP_" + class_name_uc + "_" + member_name_uc; | |
3337 | ||
3338 | f_types_impl_ << endl << indent() << "g_object_class_install_property" << endl; | |
3339 | indent_up(); | |
3340 | args_indent = indent() + ' '; | |
3341 | f_types_impl_ << indent() << "(gobject_class," << endl << args_indent << property_identifier | |
3342 | << "," << endl << args_indent; | |
3343 | ||
3344 | if (member_type->is_base_type()) { | |
3345 | t_base_type::t_base base_type = ((t_base_type*)member_type)->get_base(); | |
3346 | ||
3347 | if (base_type == t_base_type::TYPE_STRING) { | |
3348 | if (((t_base_type*)member_type)->is_binary()) { | |
3349 | args_indent += string(20, ' '); | |
3350 | f_types_impl_ << "g_param_spec_boxed (\"" << member_name << "\"," << endl << args_indent | |
3351 | << "NULL," << endl << args_indent << "NULL," << endl << args_indent | |
3352 | << "G_TYPE_BYTE_ARRAY," << endl << args_indent << "G_PARAM_READWRITE));" | |
3353 | << endl; | |
3354 | } else { | |
3355 | args_indent += string(21, ' '); | |
3356 | f_types_impl_ << "g_param_spec_string (\"" << member_name << "\"," << endl | |
3357 | << args_indent << "NULL," << endl << args_indent << "NULL," << endl | |
3358 | << args_indent | |
3359 | << ((member_value != NULL) ? "\"" + member_value->get_string() + "\"" | |
3360 | : "NULL") << "," << endl << args_indent | |
3361 | << "G_PARAM_READWRITE));" << endl; | |
3362 | } | |
3363 | } else if (base_type == t_base_type::TYPE_BOOL) { | |
3364 | args_indent += string(22, ' '); | |
3365 | f_types_impl_ << "g_param_spec_boolean (\"" << member_name << "\"," << endl << args_indent | |
3366 | << "NULL," << endl << args_indent << "NULL," << endl << args_indent | |
3367 | << (((member_value != NULL) && (member_value->get_integer() != 0)) | |
3368 | ? "TRUE" | |
3369 | : "FALSE") << "," << endl << args_indent << "G_PARAM_READWRITE));" | |
3370 | << endl; | |
3371 | } else if ((base_type == t_base_type::TYPE_I8) || (base_type == t_base_type::TYPE_I16) | |
3372 | || (base_type == t_base_type::TYPE_I32) || (base_type == t_base_type::TYPE_I64) | |
3373 | || (base_type == t_base_type::TYPE_DOUBLE)) { | |
3374 | string param_spec_function_name = "g_param_spec_int"; | |
3375 | string min_value; | |
3376 | string max_value; | |
3377 | ostringstream default_value; | |
3378 | ||
3379 | switch (base_type) { | |
3380 | case t_base_type::TYPE_I8: | |
3381 | min_value = "G_MININT8"; | |
3382 | max_value = "G_MAXINT8"; | |
3383 | break; | |
3384 | ||
3385 | case t_base_type::TYPE_I16: | |
3386 | min_value = "G_MININT16"; | |
3387 | max_value = "G_MAXINT16"; | |
3388 | break; | |
3389 | ||
3390 | case t_base_type::TYPE_I32: | |
3391 | min_value = "G_MININT32"; | |
3392 | max_value = "G_MAXINT32"; | |
3393 | break; | |
3394 | ||
3395 | case t_base_type::TYPE_I64: | |
3396 | param_spec_function_name = "g_param_spec_int64"; | |
3397 | min_value = "G_MININT64"; | |
3398 | max_value = "G_MAXINT64"; | |
3399 | break; | |
3400 | ||
3401 | case t_base_type::TYPE_DOUBLE: | |
3402 | param_spec_function_name = "g_param_spec_double"; | |
3403 | min_value = "-INFINITY"; | |
3404 | max_value = "INFINITY"; | |
3405 | break; | |
3406 | ||
3407 | default: | |
3408 | throw "compiler error: " | |
3409 | "unrecognized base type \"" + member_type->get_name() + "\" " | |
3410 | "for struct member \"" | |
3411 | + member_name + "\""; | |
3412 | break; | |
3413 | } | |
3414 | ||
3415 | if (member_value != NULL) { | |
3416 | default_value << (base_type == t_base_type::TYPE_DOUBLE ? member_value->get_double() | |
3417 | : member_value->get_integer()); | |
3418 | } else { | |
3419 | default_value << "0"; | |
3420 | } | |
3421 | ||
3422 | args_indent += string(param_spec_function_name.length() + 2, ' '); | |
3423 | f_types_impl_ << param_spec_function_name << " (\"" << member_name << "\"," << endl | |
3424 | << args_indent << "NULL," << endl << args_indent << "NULL," << endl | |
3425 | << args_indent << min_value << "," << endl << args_indent << max_value | |
3426 | << "," << endl << args_indent << default_value.str() << "," << endl | |
3427 | << args_indent << "G_PARAM_READWRITE));" << endl; | |
3428 | } | |
3429 | ||
3430 | indent_down(); | |
3431 | } else if (member_type->is_enum()) { | |
3432 | t_enum_value* enum_min_value = ((t_enum*)member_type)->get_min_value(); | |
3433 | t_enum_value* enum_max_value = ((t_enum*)member_type)->get_max_value(); | |
3434 | int min_value = (enum_min_value != NULL) ? enum_min_value->get_value() : 0; | |
3435 | int max_value = (enum_max_value != NULL) ? enum_max_value->get_value() : 0; | |
3436 | ||
3437 | args_indent += string(18, ' '); | |
3438 | f_types_impl_ << "g_param_spec_int (\"" << member_name << "\"," << endl << args_indent | |
3439 | << "NULL," << endl << args_indent << "NULL," << endl << args_indent | |
3440 | << min_value << "," << endl << args_indent << max_value << "," << endl | |
3441 | << args_indent << min_value << "," << endl << args_indent | |
3442 | << "G_PARAM_READWRITE));" << endl; | |
3443 | indent_down(); | |
3444 | } else if (member_type->is_struct() || member_type->is_xception()) { | |
3445 | t_program* type_program = member_type->get_program(); | |
3446 | string type_nspace = type_program ? type_program->get_namespace("c_glib") : ""; | |
3447 | string type_nspace_prefix = | |
3448 | type_nspace.empty() ? "" : initial_caps_to_underscores(type_nspace) + "_"; | |
3449 | ||
3450 | string param_type = to_upper_case(type_nspace_prefix) + "TYPE_" | |
3451 | + to_upper_case(initial_caps_to_underscores(member_type->get_name())); | |
3452 | ||
3453 | args_indent += string(20, ' '); | |
3454 | f_types_impl_ << "g_param_spec_object (\"" << member_name << "\"," << endl << args_indent | |
3455 | << "NULL," << endl << args_indent << "NULL," << endl << args_indent | |
3456 | << param_type << "," << endl << args_indent << "G_PARAM_READWRITE));" << endl; | |
3457 | indent_down(); | |
3458 | } else if (member_type->is_list()) { | |
3459 | t_type* elem_type = ((t_list*)member_type)->get_elem_type(); | |
3460 | string param_type; | |
3461 | ||
3462 | if (elem_type->is_base_type() && !elem_type->is_string()) { | |
3463 | param_type = "G_TYPE_ARRAY"; | |
3464 | } else { | |
3465 | param_type = "G_TYPE_PTR_ARRAY"; | |
3466 | } | |
3467 | ||
3468 | args_indent += string(20, ' '); | |
3469 | f_types_impl_ << "g_param_spec_boxed (\"" << member_name << "\"," << endl << args_indent | |
3470 | << "NULL," << endl << args_indent << "NULL," << endl << args_indent | |
3471 | << param_type << "," << endl << args_indent << "G_PARAM_READWRITE));" << endl; | |
3472 | indent_down(); | |
3473 | } else if (member_type->is_set() || member_type->is_map()) { | |
3474 | args_indent += string(20, ' '); | |
3475 | f_types_impl_ << "g_param_spec_boxed (\"" << member_name << "\"," << endl << args_indent | |
3476 | << "NULL," << endl << args_indent << "NULL," << endl << args_indent | |
3477 | << "G_TYPE_HASH_TABLE," << endl << args_indent << "G_PARAM_READWRITE));" | |
3478 | << endl; | |
3479 | indent_down(); | |
3480 | } | |
3481 | } | |
3482 | } | |
3483 | scope_down(f_types_impl_); | |
3484 | f_types_impl_ << endl; | |
3485 | ||
3486 | f_types_impl_ << "GType" << endl << this->nspace_lc << name_u << "_get_type (void)" << endl << "{" | |
3487 | << endl << " static GType type = 0;" << endl << endl << " if (type == 0) " << endl | |
3488 | << " {" << endl << " static const GTypeInfo type_info = " << endl << " {" | |
3489 | << endl << " sizeof (" << this->nspace << name << "Class)," << endl | |
3490 | << " NULL, /* base_init */" << endl << " NULL, /* base_finalize */" | |
3491 | << endl << " (GClassInitFunc) " << this->nspace_lc << name_u << "_class_init," | |
3492 | << endl << " NULL, /* class_finalize */" << endl | |
3493 | << " NULL, /* class_data */" << endl << " sizeof (" << this->nspace | |
3494 | << name << ")," << endl << " 0, /* n_preallocs */" << endl | |
3495 | << " (GInstanceInitFunc) " << this->nspace_lc << name_u << "_instance_init," | |
3496 | << endl << " NULL, /* value_table */" << endl << " };" << endl << endl | |
3497 | << " type = g_type_register_static (THRIFT_TYPE_STRUCT, " << endl | |
3498 | << " \"" << this->nspace << name << "Type\"," | |
3499 | << endl << " &type_info, 0);" << endl << " }" | |
3500 | << endl << endl << " return type;" << endl << "}" << endl << endl; | |
3501 | } | |
3502 | ||
3503 | /** | |
3504 | * Generates functions to write Thrift structures to a stream. | |
3505 | */ | |
3506 | void t_c_glib_generator::generate_struct_writer(ostream& out, | |
3507 | t_struct* tstruct, | |
3508 | string this_name, | |
3509 | string this_get, | |
3510 | bool is_function) { | |
3511 | string name = tstruct->get_name(); | |
3512 | string name_u = initial_caps_to_underscores(name); | |
3513 | string name_uc = to_upper_case(name_u); | |
3514 | ||
3515 | const vector<t_field*>& fields = tstruct->get_members(); | |
3516 | vector<t_field*>::const_iterator f_iter; | |
3517 | int error_ret = 0; | |
3518 | ||
3519 | if (is_function) { | |
3520 | error_ret = -1; | |
3521 | indent(out) << "static gint32" << endl << this->nspace_lc << name_u | |
3522 | << "_write (ThriftStruct *object, ThriftProtocol *protocol, GError **error)" | |
3523 | << endl; | |
3524 | } | |
3525 | indent(out) << "{" << endl; | |
3526 | indent_up(); | |
3527 | ||
3528 | out << indent() << "gint32 ret;" << endl << indent() << "gint32 xfer = 0;" << endl << endl; | |
3529 | ||
3530 | indent(out) << this_get << endl; | |
3531 | // satisfy -Wall in the case of an empty struct | |
3532 | if (!this_get.empty()) { | |
3533 | indent(out) << "THRIFT_UNUSED_VAR (this_object);" << endl; | |
3534 | } | |
3535 | ||
3536 | out << indent() << "if ((ret = thrift_protocol_write_struct_begin (protocol, \"" << name | |
3537 | << "\", error)) < 0)" << endl << indent() << " return " << error_ret << ";" << endl | |
3538 | << indent() << "xfer += ret;" << endl; | |
3539 | ||
3540 | for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { | |
3541 | if ((*f_iter)->get_req() == t_field::T_OPTIONAL) { | |
3542 | indent(out) << "if (this_object->__isset_" << (*f_iter)->get_name() << " == TRUE) {" << endl; | |
3543 | indent_up(); | |
3544 | } | |
3545 | ||
3546 | out << indent() << "if ((ret = thrift_protocol_write_field_begin (protocol, " | |
3547 | << "\"" << (*f_iter)->get_name() << "\", " << type_to_enum((*f_iter)->get_type()) << ", " | |
3548 | << (*f_iter)->get_key() << ", error)) < 0)" << endl << indent() << " return " << error_ret | |
3549 | << ";" << endl << indent() << "xfer += ret;" << endl; | |
3550 | generate_serialize_field(out, *f_iter, this_name, "", error_ret); | |
3551 | out << indent() << "if ((ret = thrift_protocol_write_field_end (protocol, error)) < 0)" << endl | |
3552 | << indent() << " return " << error_ret << ";" << endl << indent() << "xfer += ret;" | |
3553 | << endl; | |
3554 | ||
3555 | if ((*f_iter)->get_req() == t_field::T_OPTIONAL) { | |
3556 | indent_down(); | |
3557 | indent(out) << "}" << endl; | |
3558 | } | |
3559 | } | |
3560 | ||
3561 | // write the struct map | |
3562 | out << indent() << "if ((ret = thrift_protocol_write_field_stop (protocol, error)) < 0)" << endl | |
3563 | << indent() << " return " << error_ret << ";" << endl << indent() << "xfer += ret;" << endl | |
3564 | << indent() << "if ((ret = thrift_protocol_write_struct_end (protocol, error)) < 0)" << endl | |
3565 | << indent() << " return " << error_ret << ";" << endl << indent() << "xfer += ret;" << endl | |
3566 | << endl; | |
3567 | ||
3568 | if (is_function) { | |
3569 | indent(out) << "return xfer;" << endl; | |
3570 | } | |
3571 | ||
3572 | indent_down(); | |
3573 | indent(out) << "}" << endl << endl; | |
3574 | } | |
3575 | ||
3576 | /** | |
3577 | * Generates code to read Thrift structures from a stream. | |
3578 | */ | |
3579 | void t_c_glib_generator::generate_struct_reader(ostream& out, | |
3580 | t_struct* tstruct, | |
3581 | string this_name, | |
3582 | string this_get, | |
3583 | bool is_function) { | |
3584 | string name = tstruct->get_name(); | |
3585 | string name_u = initial_caps_to_underscores(name); | |
3586 | string name_uc = to_upper_case(name_u); | |
3587 | int error_ret = 0; | |
3588 | const vector<t_field*>& fields = tstruct->get_members(); | |
3589 | vector<t_field*>::const_iterator f_iter; | |
3590 | ||
3591 | if (is_function) { | |
3592 | error_ret = -1; | |
3593 | indent(out) << "/* reads a " << name_u << " object */" << endl << "static gint32" << endl | |
3594 | << this->nspace_lc << name_u | |
3595 | << "_read (ThriftStruct *object, ThriftProtocol *protocol, GError **error)" << endl; | |
3596 | } | |
3597 | ||
3598 | indent(out) << "{" << endl; | |
3599 | indent_up(); | |
3600 | ||
3601 | // declare stack temp variables | |
3602 | out << indent() << "gint32 ret;" << endl << indent() << "gint32 xfer = 0;" << endl << indent() | |
3603 | << "gchar *name = NULL;" << endl << indent() << "ThriftType ftype;" << endl << indent() | |
3604 | << "gint16 fid;" << endl << indent() << "guint32 len = 0;" << endl << indent() | |
3605 | << "gpointer data = NULL;" << endl << indent() << this_get << endl; | |
3606 | ||
3607 | for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { | |
3608 | if ((*f_iter)->get_req() == t_field::T_REQUIRED) { | |
3609 | indent(out) << "gboolean isset_" << (*f_iter)->get_name() << " = FALSE;" << endl; | |
3610 | } | |
3611 | } | |
3612 | ||
3613 | out << endl; | |
3614 | ||
3615 | // satisfy -Wall in case we don't use some variables | |
3616 | out << indent() << "/* satisfy -Wall in case these aren't used */" << endl << indent() | |
3617 | << "THRIFT_UNUSED_VAR (len);" << endl << indent() << "THRIFT_UNUSED_VAR (data);" << endl; | |
3618 | ||
3619 | if (!this_get.empty()) { | |
3620 | out << indent() << "THRIFT_UNUSED_VAR (this_object);" << endl; | |
3621 | } | |
3622 | out << endl; | |
3623 | ||
3624 | // read the beginning of the structure marker | |
3625 | out << indent() << "/* read the struct begin marker */" << endl << indent() | |
3626 | << "if ((ret = thrift_protocol_read_struct_begin (protocol, &name, error)) < 0)" << endl | |
3627 | << indent() << "{" << endl << indent() << " if (name) g_free (name);" << endl << indent() | |
3628 | << " return " << error_ret << ";" << endl << indent() << "}" << endl << indent() | |
3629 | << "xfer += ret;" << endl << indent() << "if (name) g_free (name);" << endl << indent() | |
3630 | << "name = NULL;" << endl << endl; | |
3631 | ||
3632 | // read the struct fields | |
3633 | out << indent() << "/* read the struct fields */" << endl << indent() << "while (1)" << endl; | |
3634 | scope_up(out); | |
3635 | ||
3636 | // read beginning field marker | |
3637 | out << indent() << "/* read the beginning of a field */" << endl << indent() | |
3638 | << "if ((ret = thrift_protocol_read_field_begin (protocol, &name, &ftype, &fid, error)) < 0)" | |
3639 | << endl << indent() << "{" << endl << indent() << " if (name) g_free (name);" << endl | |
3640 | << indent() << " return " << error_ret << ";" << endl << indent() << "}" << endl << indent() | |
3641 | << "xfer += ret;" << endl << indent() << "if (name) g_free (name);" << endl << indent() | |
3642 | << "name = NULL;" << endl << endl; | |
3643 | ||
3644 | // check for field STOP marker | |
3645 | out << indent() << "/* break if we get a STOP field */" << endl << indent() | |
3646 | << "if (ftype == T_STOP)" << endl << indent() << "{" << endl << indent() << " break;" << endl | |
3647 | << indent() << "}" << endl << endl; | |
3648 | ||
3649 | // switch depending on the field type | |
3650 | indent(out) << "switch (fid)" << endl; | |
3651 | ||
3652 | // start switch | |
3653 | scope_up(out); | |
3654 | ||
3655 | // generate deserialization code for known types | |
3656 | for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { | |
3657 | indent(out) << "case " << (*f_iter)->get_key() << ":" << endl; | |
3658 | indent_up(); | |
3659 | indent(out) << "if (ftype == " << type_to_enum((*f_iter)->get_type()) << ")" << endl; | |
3660 | indent(out) << "{" << endl; | |
3661 | ||
3662 | indent_up(); | |
3663 | // generate deserialize field | |
3664 | generate_deserialize_field(out, *f_iter, this_name, "", error_ret, false); | |
3665 | indent_down(); | |
3666 | ||
3667 | out << indent() << "} else {" << endl << indent() | |
3668 | << " if ((ret = thrift_protocol_skip (protocol, ftype, error)) < 0)" << endl << indent() | |
3669 | << " return " << error_ret << ";" << endl << indent() << " xfer += ret;" << endl | |
3670 | << indent() << "}" << endl << indent() << "break;" << endl; | |
3671 | indent_down(); | |
3672 | } | |
3673 | ||
3674 | // create the default case | |
3675 | out << indent() << "default:" << endl << indent() | |
3676 | << " if ((ret = thrift_protocol_skip (protocol, ftype, error)) < 0)" << endl << indent() | |
3677 | << " return " << error_ret << ";" << endl << indent() << " xfer += ret;" << endl | |
3678 | << indent() << " break;" << endl; | |
3679 | ||
3680 | // end switch | |
3681 | scope_down(out); | |
3682 | ||
3683 | // read field end marker | |
3684 | out << indent() << "if ((ret = thrift_protocol_read_field_end (protocol, error)) < 0)" << endl | |
3685 | << indent() << " return " << error_ret << ";" << endl << indent() << "xfer += ret;" << endl; | |
3686 | ||
3687 | // end while loop | |
3688 | scope_down(out); | |
3689 | out << endl; | |
3690 | ||
3691 | // read the end of the structure | |
3692 | out << indent() << "if ((ret = thrift_protocol_read_struct_end (protocol, error)) < 0)" << endl | |
3693 | << indent() << " return " << error_ret << ";" << endl << indent() << "xfer += ret;" << endl | |
3694 | << endl; | |
3695 | ||
3696 | // if a required field is missing, throw an error | |
3697 | for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { | |
3698 | if ((*f_iter)->get_req() == t_field::T_REQUIRED) { | |
3699 | out << indent() << "if (!isset_" << (*f_iter)->get_name() << ")" << endl << indent() << "{" | |
3700 | << endl << indent() << " g_set_error (error, THRIFT_PROTOCOL_ERROR," << endl << indent() | |
3701 | << " THRIFT_PROTOCOL_ERROR_INVALID_DATA," << endl << indent() | |
3702 | << " \"missing field\");" << endl << indent() << " return -1;" << endl | |
3703 | << indent() << "}" << endl << endl; | |
3704 | } | |
3705 | } | |
3706 | ||
3707 | if (is_function) { | |
3708 | indent(out) << "return xfer;" << endl; | |
3709 | } | |
3710 | ||
3711 | // end the function/structure | |
3712 | indent_down(); | |
3713 | indent(out) << "}" << endl << endl; | |
3714 | } | |
3715 | ||
3716 | void t_c_glib_generator::generate_serialize_field(ostream& out, | |
3717 | t_field* tfield, | |
3718 | string prefix, | |
3719 | string suffix, | |
3720 | int error_ret) { | |
3721 | t_type* type = get_true_type(tfield->get_type()); | |
3722 | string name = prefix + tfield->get_name() + suffix; | |
3723 | ||
3724 | if (type->is_void()) { | |
3725 | throw "CANNOT GENERATE SERIALIZE CODE FOR void TYPE: " + name; | |
3726 | } | |
3727 | ||
3728 | if (type->is_struct() || type->is_xception()) { | |
3729 | generate_serialize_struct(out, (t_struct*)type, name, error_ret); | |
3730 | } else if (type->is_container()) { | |
3731 | generate_serialize_container(out, type, name, error_ret); | |
3732 | } else if (type->is_base_type() || type->is_enum()) { | |
3733 | indent(out) << "if ((ret = thrift_protocol_write_"; | |
3734 | ||
3735 | if (type->is_base_type()) { | |
3736 | t_base_type::t_base tbase = ((t_base_type*)type)->get_base(); | |
3737 | switch (tbase) { | |
3738 | case t_base_type::TYPE_VOID: | |
3739 | throw "compiler error: cannot serialize void field in a struct: " + name; | |
3740 | break; | |
3741 | case t_base_type::TYPE_BOOL: | |
3742 | out << "bool (protocol, " << name; | |
3743 | break; | |
3744 | case t_base_type::TYPE_I8: | |
3745 | out << "byte (protocol, " << name; | |
3746 | break; | |
3747 | case t_base_type::TYPE_I16: | |
3748 | out << "i16 (protocol, " << name; | |
3749 | break; | |
3750 | case t_base_type::TYPE_I32: | |
3751 | out << "i32 (protocol, " << name; | |
3752 | break; | |
3753 | case t_base_type::TYPE_I64: | |
3754 | out << "i64 (protocol, " << name; | |
3755 | break; | |
3756 | case t_base_type::TYPE_DOUBLE: | |
3757 | out << "double (protocol, " << name; | |
3758 | break; | |
3759 | case t_base_type::TYPE_STRING: | |
3760 | if (type->is_binary()) { | |
3761 | out << "binary (protocol, " << name << " ? ((GByteArray *) " << name << ")->data : NULL, " | |
3762 | << name << " ? ((GByteArray *) " << name << ")->len : 0"; | |
3763 | } else { | |
3764 | out << "string (protocol, " << name; | |
3765 | } | |
3766 | break; | |
3767 | default: | |
3768 | throw "compiler error: no C writer for base type " + t_base_type::t_base_name(tbase) + name; | |
3769 | } | |
3770 | } else { | |
3771 | out << "i32 (protocol, (gint32) " << name; | |
3772 | } | |
3773 | out << ", error)) < 0)" << endl | |
3774 | << indent() << " return " << error_ret << ";" << endl | |
3775 | << indent() << "xfer += ret;" << endl << endl; | |
3776 | } else { | |
3777 | throw std::logic_error("DO NOT KNOW HOW TO SERIALIZE FIELD '" + name + "' TYPE '" | |
3778 | + type_name(type)); | |
3779 | } | |
3780 | } | |
3781 | ||
3782 | void t_c_glib_generator::generate_serialize_struct(ostream& out, | |
3783 | t_struct* tstruct, | |
3784 | string prefix, | |
3785 | int error_ret) { | |
3786 | (void)tstruct; | |
3787 | out << indent() << "if ((ret = thrift_struct_write (THRIFT_STRUCT (" << prefix | |
3788 | << "), protocol, error)) < 0)" << endl << indent() << " return " << error_ret << ";" << endl | |
3789 | << indent() << "xfer += ret;" << endl << endl; | |
3790 | } | |
3791 | ||
3792 | void t_c_glib_generator::generate_serialize_container(ostream& out, | |
3793 | t_type* ttype, | |
3794 | string prefix, | |
3795 | int error_ret) { | |
3796 | scope_up(out); | |
3797 | ||
3798 | if (ttype->is_map()) { | |
3799 | t_type* tkey = ((t_map*)ttype)->get_key_type(); | |
3800 | t_type* tval = ((t_map*)ttype)->get_val_type(); | |
3801 | string tkey_name = type_name(tkey); | |
3802 | string tval_name = type_name(tval); | |
3803 | string tkey_ptr; | |
3804 | string tval_ptr; | |
3805 | string keyname = tmp("key"); | |
3806 | string valname = tmp("val"); | |
3807 | ||
3808 | declore_local_variable_for_write(out, tkey, keyname); | |
3809 | declore_local_variable_for_write(out, tval, valname); | |
3810 | ||
3811 | /* If either the key or value type is a typedef, find its underlying type so | |
3812 | we can correctly determine how to generate a pointer to it */ | |
3813 | tkey = get_true_type(tkey); | |
3814 | tval = get_true_type(tval); | |
3815 | ||
3816 | tkey_ptr = tkey->is_string() || !tkey->is_base_type() ? "" : "*"; | |
3817 | tval_ptr = tval->is_string() || !tval->is_base_type() ? "" : "*"; | |
3818 | ||
3819 | /* | |
3820 | * Some ugliness here. To maximize backwards compatibility, we | |
3821 | * avoid using GHashTableIter and instead get a GList of all keys, | |
3822 | * then copy it into a array on the stack, and free it. | |
3823 | * This is because we may exit early before we get a chance to free the | |
3824 | * GList. | |
3825 | */ | |
3826 | out << indent() << "GList *key_list = NULL, *iter = NULL;" << endl | |
3827 | << indent() << tkey_name << tkey_ptr << "* keys;" << endl | |
3828 | << indent() << "int i = 0, key_count;" << endl | |
3829 | << endl | |
3830 | << indent() << "if ((ret = thrift_protocol_write_map_begin (protocol, " | |
3831 | << type_to_enum(tkey) << ", " << type_to_enum(tval) << ", " << prefix << " ? " | |
3832 | << "(gint32) g_hash_table_size ((GHashTable *) " << prefix << ") : 0" | |
3833 | << ", error)) < 0)" << endl; | |
3834 | indent_up(); | |
3835 | out << indent() << "return " << error_ret << ";" << endl; | |
3836 | indent_down(); | |
3837 | out << indent() << "xfer += ret;" << endl | |
3838 | << indent() << "if (" << prefix << ")" << endl | |
3839 | << indent() << " g_hash_table_foreach ((GHashTable *) " << prefix | |
3840 | << ", thrift_hash_table_get_keys, &key_list);" << endl | |
3841 | << indent() << "key_count = g_list_length (key_list);" << endl | |
3842 | << indent() << "keys = g_newa (" << tkey_name << tkey_ptr | |
3843 | << ", key_count);" << endl | |
3844 | << indent() << "for (iter = g_list_first (key_list); iter; " | |
3845 | "iter = iter->next)" << endl; | |
3846 | indent_up(); | |
3847 | out << indent() << "keys[i++] = (" << tkey_name << tkey_ptr | |
3848 | << ") iter->data;" << endl; | |
3849 | indent_down(); | |
3850 | out << indent() << "g_list_free (key_list);" << endl | |
3851 | << endl | |
3852 | << indent() << "for (i = 0; i < key_count; ++i)" << endl; | |
3853 | scope_up(out); | |
3854 | out << indent() << keyname << " = keys[i];" << endl | |
3855 | << indent() << valname << " = (" << tval_name << tval_ptr | |
3856 | << ") g_hash_table_lookup (((GHashTable *) " << prefix | |
3857 | << "), (gpointer) " << keyname << ");" << endl | |
3858 | << endl; | |
3859 | generate_serialize_map_element(out, | |
3860 | (t_map*)ttype, | |
3861 | tkey_ptr + " " + keyname, | |
3862 | tval_ptr + " " + valname, | |
3863 | error_ret); | |
3864 | scope_down(out); | |
3865 | out << indent() << "if ((ret = thrift_protocol_write_map_end (protocol, " | |
3866 | "error)) < 0)" << endl; | |
3867 | indent_up(); | |
3868 | out << indent() << "return " << error_ret << ";" << endl; | |
3869 | indent_down(); | |
3870 | out << indent() << "xfer += ret;" << endl; | |
3871 | } else if (ttype->is_set()) { | |
3872 | t_type* telem = ((t_set*)ttype)->get_elem_type(); | |
3873 | string telem_name = type_name(telem); | |
3874 | string telem_ptr = telem->is_string() || !telem->is_base_type() ? "" : "*"; | |
3875 | out << indent() << "GList *key_list = NULL, *iter = NULL;" << endl | |
3876 | << indent() << telem_name << telem_ptr << "* keys;" << endl | |
3877 | << indent() << "int i = 0, key_count;" << endl | |
3878 | << indent() << telem_name << telem_ptr << " elem;" << endl | |
3879 | << indent() << "gpointer value;" << endl | |
3880 | << indent() << "THRIFT_UNUSED_VAR (value);" << endl | |
3881 | << endl | |
3882 | << indent() << "if ((ret = thrift_protocol_write_set_begin (protocol, " | |
3883 | << type_to_enum(telem) << ", " << prefix << " ? " | |
3884 | << "(gint32) g_hash_table_size ((GHashTable *) " << prefix << ") : 0" | |
3885 | << ", error)) < 0)" << endl; | |
3886 | indent_up(); | |
3887 | out << indent() << "return " << error_ret << ";" << endl; | |
3888 | indent_down(); | |
3889 | out << indent() << "xfer += ret;" << endl | |
3890 | << indent() << "if (" << prefix << ")" << endl | |
3891 | << indent() << " g_hash_table_foreach ((GHashTable *) " << prefix | |
3892 | << ", thrift_hash_table_get_keys, &key_list);" << endl | |
3893 | << indent() << "key_count = g_list_length (key_list);" << endl | |
3894 | << indent() << "keys = g_newa (" << telem_name << telem_ptr | |
3895 | << ", key_count);" << endl | |
3896 | << indent() << "for (iter = g_list_first (key_list); iter; " | |
3897 | "iter = iter->next)" << endl; | |
3898 | indent_up(); | |
3899 | out << indent() << "keys[i++] = (" << telem_name << telem_ptr | |
3900 | << ") iter->data;" << endl; | |
3901 | indent_down(); | |
3902 | out << indent() << "g_list_free (key_list);" << endl | |
3903 | << endl | |
3904 | << indent() << "for (i = 0; i < key_count; ++i)" << endl; | |
3905 | scope_up(out); | |
3906 | out << indent() << "elem = keys[i];" << endl | |
3907 | << indent() << "value = (gpointer) g_hash_table_lookup " | |
3908 | "(((GHashTable *) " << prefix << "), (gpointer) elem);" << endl | |
3909 | << endl; | |
3910 | generate_serialize_set_element(out, | |
3911 | (t_set*)ttype, | |
3912 | telem_ptr + "elem", | |
3913 | error_ret); | |
3914 | scope_down(out); | |
3915 | out << indent() << "if ((ret = thrift_protocol_write_set_end (protocol, " | |
3916 | "error)) < 0)" << endl; | |
3917 | indent_up(); | |
3918 | out << indent() << "return " << error_ret << ";" << endl; | |
3919 | indent_down(); | |
3920 | out << indent() << "xfer += ret;" << endl; | |
3921 | } else if (ttype->is_list()) { | |
3922 | string length = "(" + prefix + " ? " + prefix + "->len : 0)"; | |
3923 | string i = tmp("i"); | |
3924 | out << indent() << "guint " << i << ";" << endl | |
3925 | << endl | |
3926 | << indent() << "if ((ret = thrift_protocol_write_list_begin (protocol, " | |
3927 | << type_to_enum(((t_list*)ttype)->get_elem_type()) << ", (gint32) " | |
3928 | << length << ", error)) < 0)" << endl; | |
3929 | indent_up(); | |
3930 | out << indent() << "return " << error_ret << ";" << endl; | |
3931 | indent_down(); | |
3932 | out << indent() << "xfer += ret;" << endl | |
3933 | << indent() << "for (" << i << " = 0; " << i << " < " << length << "; " | |
3934 | << i << "++)" << endl; | |
3935 | scope_up(out); | |
3936 | generate_serialize_list_element(out, (t_list*)ttype, prefix, i, error_ret); | |
3937 | scope_down(out); | |
3938 | out << indent() << "if ((ret = thrift_protocol_write_list_end (protocol, " | |
3939 | "error)) < 0)" << endl; | |
3940 | indent_up(); | |
3941 | out << indent() << "return " << error_ret << ";" << endl; | |
3942 | indent_down(); | |
3943 | out << indent() << "xfer += ret;" << endl; | |
3944 | } | |
3945 | ||
3946 | scope_down(out); | |
3947 | } | |
3948 | ||
3949 | void t_c_glib_generator::generate_serialize_map_element(ostream& out, | |
3950 | t_map* tmap, | |
3951 | string key, | |
3952 | string value, | |
3953 | int error_ret) { | |
3954 | t_field kfield(tmap->get_key_type(), key); | |
3955 | generate_serialize_field(out, &kfield, "", "", error_ret); | |
3956 | ||
3957 | t_field vfield(tmap->get_val_type(), value); | |
3958 | generate_serialize_field(out, &vfield, "", "", error_ret); | |
3959 | } | |
3960 | ||
3961 | void t_c_glib_generator::generate_serialize_set_element(ostream& out, | |
3962 | t_set* tset, | |
3963 | string element, | |
3964 | int error_ret) { | |
3965 | t_field efield(tset->get_elem_type(), element); | |
3966 | generate_serialize_field(out, &efield, "", "", error_ret); | |
3967 | } | |
3968 | ||
3969 | void t_c_glib_generator::generate_serialize_list_element(ostream& out, | |
3970 | t_list* tlist, | |
3971 | string list, | |
3972 | string index, | |
3973 | int error_ret) { | |
3974 | t_type* ttype = get_true_type(tlist->get_elem_type()); | |
3975 | ||
3976 | // cast to non-const | |
3977 | string cast = ""; | |
3978 | string name = "g_ptr_array_index ((GPtrArray *) " + list + ", " + index + ")"; | |
3979 | ||
3980 | if (ttype->is_void()) { | |
3981 | throw std::runtime_error("compiler error: list element type cannot be void"); | |
3982 | } else if (is_numeric(ttype)) { | |
3983 | name = "g_array_index (" + list + ", " + base_type_name(ttype) + ", " + index + ")"; | |
3984 | } else if (ttype->is_string()) { | |
3985 | cast = "(gchar*)"; | |
3986 | } else if (ttype->is_map() || ttype->is_set()) { | |
3987 | cast = "(GHashTable*)"; | |
3988 | } else if (ttype->is_list()) { | |
3989 | t_type* etype = ((t_list*)ttype)->get_elem_type(); | |
3990 | if (etype->is_void()) { | |
3991 | throw std::runtime_error("compiler error: list element type cannot be void"); | |
3992 | } | |
3993 | cast = is_numeric(etype) ? "(GArray*)" : "(GPtrArray*)"; | |
3994 | } | |
3995 | ||
3996 | t_field efield(ttype, "(" + cast + name + ")"); | |
3997 | generate_serialize_field(out, &efield, "", "", error_ret); | |
3998 | } | |
3999 | ||
4000 | /* deserializes a field of any type. */ | |
4001 | void t_c_glib_generator::generate_deserialize_field(ostream& out, | |
4002 | t_field* tfield, | |
4003 | string prefix, | |
4004 | string suffix, | |
4005 | int error_ret, | |
4006 | bool allocate) { | |
4007 | t_type* type = get_true_type(tfield->get_type()); | |
4008 | ||
4009 | if (type->is_void()) { | |
4010 | throw std::runtime_error("CANNOT GENERATE DESERIALIZE CODE FOR void TYPE: " + prefix | |
4011 | + tfield->get_name()); | |
4012 | } | |
4013 | ||
4014 | string name = prefix + tfield->get_name() + suffix; | |
4015 | ||
4016 | if (type->is_struct() || type->is_xception()) { | |
4017 | generate_deserialize_struct(out, (t_struct*)type, name, error_ret, allocate); | |
4018 | } else if (type->is_container()) { | |
4019 | generate_deserialize_container(out, type, name, error_ret); | |
4020 | } else if (type->is_base_type()) { | |
4021 | t_base_type::t_base tbase = ((t_base_type*)type)->get_base(); | |
4022 | if (tbase == t_base_type::TYPE_STRING) { | |
4023 | indent(out) << "if (" << name << " != NULL)" << endl << indent() << "{" << endl; | |
4024 | indent_up(); | |
4025 | indent(out) << "g_free(" << name << ");" << endl << indent() << name << " = NULL;" << endl; | |
4026 | indent_down(); | |
4027 | indent(out) << "}" << endl << endl; | |
4028 | } | |
4029 | indent(out) << "if ((ret = thrift_protocol_read_"; | |
4030 | ||
4031 | switch (tbase) { | |
4032 | case t_base_type::TYPE_VOID: | |
4033 | throw "compiler error: cannot serialize void field in a struct: " + name; | |
4034 | break; | |
4035 | case t_base_type::TYPE_STRING: | |
4036 | if (type->is_binary()) { | |
4037 | out << "binary (protocol, &data, &len"; | |
4038 | } else { | |
4039 | out << "string (protocol, &" << name; | |
4040 | } | |
4041 | break; | |
4042 | case t_base_type::TYPE_BOOL: | |
4043 | out << "bool (protocol, &" << name; | |
4044 | break; | |
4045 | case t_base_type::TYPE_I8: | |
4046 | out << "byte (protocol, &" << name; | |
4047 | break; | |
4048 | case t_base_type::TYPE_I16: | |
4049 | out << "i16 (protocol, &" << name; | |
4050 | break; | |
4051 | case t_base_type::TYPE_I32: | |
4052 | out << "i32 (protocol, &" << name; | |
4053 | break; | |
4054 | case t_base_type::TYPE_I64: | |
4055 | out << "i64 (protocol, &" << name; | |
4056 | break; | |
4057 | case t_base_type::TYPE_DOUBLE: | |
4058 | out << "double (protocol, &" << name; | |
4059 | break; | |
4060 | default: | |
4061 | throw "compiler error: no C reader for base type " + t_base_type::t_base_name(tbase) + name; | |
4062 | } | |
4063 | out << ", error)) < 0)" << endl; | |
4064 | out << indent() << " return " << error_ret << ";" << endl << indent() << "xfer += ret;" | |
4065 | << endl; | |
4066 | ||
4067 | // load the byte array with the data | |
4068 | if (tbase == t_base_type::TYPE_STRING && type->is_binary()) { | |
4069 | indent(out) << name << " = g_byte_array_new();" << endl; | |
4070 | indent(out) << "g_byte_array_append (" << name << ", (guint8 *) data, (guint) len);" << endl; | |
4071 | indent(out) << "g_free (data);" << endl; | |
4072 | } | |
4073 | } else if (type->is_enum()) { | |
4074 | string t = tmp("ecast"); | |
4075 | out << indent() << "gint32 " << t << ";" << endl << indent() | |
4076 | << "if ((ret = thrift_protocol_read_i32 (protocol, &" << t << ", error)) < 0)" << endl | |
4077 | << indent() << " return " << error_ret << ";" << endl << indent() << "xfer += ret;" << endl | |
4078 | << indent() << name << " = (" << type_name(type) << ")" << t << ";" << endl; | |
4079 | } else { | |
4080 | throw std::logic_error("DO NOT KNOW HOW TO SERIALIZE FIELD '" + tfield->get_name() + "' TYPE '" | |
4081 | + type_name(type)); | |
4082 | } | |
4083 | ||
4084 | // if the type is not required and this is a thrift struct (no prefix), | |
4085 | // set the isset variable. if the type is required, then set the | |
4086 | // local variable indicating the value was set, so that we can do // validation later. | |
4087 | if (prefix != "" && tfield->get_req() != t_field::T_REQUIRED) { | |
4088 | indent(out) << prefix << "__isset_" << tfield->get_name() << suffix << " = TRUE;" << endl; | |
4089 | } else if (prefix != "" && tfield->get_req() == t_field::T_REQUIRED) { | |
4090 | indent(out) << "isset_" << tfield->get_name() << " = TRUE;" << endl; | |
4091 | } | |
4092 | } | |
4093 | ||
4094 | void t_c_glib_generator::generate_deserialize_struct(ostream& out, | |
4095 | t_struct* tstruct, | |
4096 | string prefix, | |
4097 | int error_ret, | |
4098 | bool allocate) { | |
4099 | string name_uc = to_upper_case(initial_caps_to_underscores(tstruct->get_name())); | |
4100 | if (tstruct->is_xception()) { | |
4101 | out << indent() << "/* This struct is an exception */" << endl; | |
4102 | allocate = true; | |
4103 | } | |
4104 | ||
4105 | if (allocate) { | |
4106 | out << indent() << "if ( " << prefix << " != NULL)" << endl << indent() << "{" << endl; | |
4107 | indent_up(); | |
4108 | out << indent() << "g_object_unref (" << prefix << ");" << endl; | |
4109 | indent_down(); | |
4110 | out << indent() << "}" << endl << indent() << prefix << " = g_object_new (" << this->nspace_uc | |
4111 | << "TYPE_" << name_uc << ", NULL);" << endl; | |
4112 | } | |
4113 | out << indent() << "if ((ret = thrift_struct_read (THRIFT_STRUCT (" << prefix | |
4114 | << "), protocol, error)) < 0)" << endl << indent() << "{" << endl; | |
4115 | indent_up(); | |
4116 | if (allocate) { | |
4117 | indent(out) << "g_object_unref (" << prefix << ");" << endl; | |
4118 | if (tstruct->is_xception()) { | |
4119 | indent(out) << prefix << " = NULL;" << endl; | |
4120 | } | |
4121 | } | |
4122 | out << indent() << "return " << error_ret << ";" << endl; | |
4123 | indent_down(); | |
4124 | out << indent() << "}" << endl << indent() << "xfer += ret;" << endl; | |
4125 | } | |
4126 | ||
4127 | void t_c_glib_generator::generate_deserialize_container(ostream& out, | |
4128 | t_type* ttype, | |
4129 | string prefix, | |
4130 | int error_ret) { | |
4131 | scope_up(out); | |
4132 | ||
4133 | if (ttype->is_map()) { | |
4134 | out << indent() << "guint32 size;" << endl | |
4135 | << indent() << "guint32 i;" << endl | |
4136 | << indent() << "ThriftType key_type;" << endl | |
4137 | << indent() << "ThriftType value_type;" << endl | |
4138 | << endl | |
4139 | << indent() << "/* read the map begin marker */" << endl | |
4140 | << indent() << "if ((ret = thrift_protocol_read_map_begin (protocol, " | |
4141 | "&key_type, &value_type, &size, error)) < 0)" << endl; | |
4142 | indent_up(); | |
4143 | out << indent() << "return " << error_ret << ";" << endl; | |
4144 | indent_down(); | |
4145 | out << indent() << "xfer += ret;" << endl | |
4146 | << endl; | |
4147 | ||
4148 | // iterate over map elements | |
4149 | out << indent() << "/* iterate through each of the map's fields */" << endl | |
4150 | << indent() << "for (i = 0; i < size; i++)" << endl; | |
4151 | scope_up(out); | |
4152 | generate_deserialize_map_element(out, (t_map*)ttype, prefix, error_ret); | |
4153 | scope_down(out); | |
4154 | out << endl; | |
4155 | ||
4156 | // read map end | |
4157 | out << indent() << "/* read the map end marker */" << endl | |
4158 | << indent() << "if ((ret = thrift_protocol_read_map_end (protocol, " | |
4159 | "error)) < 0)" << endl; | |
4160 | indent_up(); | |
4161 | out << indent() << "return " << error_ret << ";" << endl; | |
4162 | indent_down(); | |
4163 | out << indent() << "xfer += ret;" << endl; | |
4164 | } else if (ttype->is_set()) { | |
4165 | out << indent() << "guint32 size;" << endl | |
4166 | << indent() << "guint32 i;" << endl | |
4167 | << indent() << "ThriftType element_type;" << endl | |
4168 | << endl | |
4169 | << indent() << "if ((ret = thrift_protocol_read_set_begin (protocol, " | |
4170 | "&element_type, &size, error)) < 0)" << endl; | |
4171 | indent_up(); | |
4172 | out << indent() << "return " << error_ret << ";" << endl; | |
4173 | indent_down(); | |
4174 | out << indent() << "xfer += ret;" << endl | |
4175 | << endl; | |
4176 | ||
4177 | // iterate over the elements | |
4178 | out << indent() << "/* iterate through the set elements */" << endl | |
4179 | << indent() << "for (i = 0; i < size; ++i)" << endl; | |
4180 | scope_up(out); | |
4181 | generate_deserialize_set_element(out, (t_set*)ttype, prefix, error_ret); | |
4182 | scope_down(out); | |
4183 | ||
4184 | // read set end | |
4185 | out << indent() << "if ((ret = thrift_protocol_read_set_end (protocol, " | |
4186 | "error)) < 0)" << endl; | |
4187 | indent_up(); | |
4188 | out << indent() << "return " << error_ret << ";" << endl; | |
4189 | indent_down(); | |
4190 | out << indent() << "xfer += ret;" << endl | |
4191 | << endl; | |
4192 | } else if (ttype->is_list()) { | |
4193 | out << indent() << "guint32 size;" << endl | |
4194 | << indent() << "guint32 i;" << endl | |
4195 | << indent() << "ThriftType element_type;" << endl | |
4196 | << endl | |
4197 | << indent() << "if ((ret = thrift_protocol_read_list_begin (protocol, " | |
4198 | "&element_type,&size, error)) < 0)" << endl; | |
4199 | indent_up(); | |
4200 | out << indent() << "return " << error_ret << ";" << endl; | |
4201 | indent_down(); | |
4202 | out << indent() << "xfer += ret;" << endl | |
4203 | << endl; | |
4204 | ||
4205 | // iterate over the elements | |
4206 | out << indent() << "/* iterate through list elements */" << endl | |
4207 | << indent() << "for (i = 0; i < size; i++)" << endl; | |
4208 | scope_up(out); | |
4209 | generate_deserialize_list_element(out, | |
4210 | (t_list*)ttype, | |
4211 | prefix, | |
4212 | "i", | |
4213 | error_ret); | |
4214 | scope_down(out); | |
4215 | ||
4216 | // read list end | |
4217 | out << indent() << "if ((ret = thrift_protocol_read_list_end (protocol, " | |
4218 | "error)) < 0)" << endl; | |
4219 | indent_up(); | |
4220 | out << indent() << "return " << error_ret << ";" << endl; | |
4221 | indent_down(); | |
4222 | out << indent() << "xfer += ret;" << endl; | |
4223 | } | |
4224 | ||
4225 | scope_down(out); | |
4226 | } | |
4227 | ||
4228 | void t_c_glib_generator::declare_local_variable(ostream& out, t_type* ttype, string& name, bool for_hash_table) { | |
4229 | string tname = type_name(ttype); | |
4230 | ||
4231 | /* If the given type is a typedef, find its underlying type so we | |
4232 | can correctly determine how to generate a pointer to it */ | |
4233 | ttype = get_true_type(ttype); | |
4234 | string ptr = !is_numeric(ttype) ? "" : "*"; | |
4235 | ||
4236 | if (ttype->is_map()) { | |
4237 | t_map* tmap = (t_map*)ttype; | |
4238 | out << indent() << tname << ptr << " " << name << " = " | |
4239 | << generate_new_hash_from_type(tmap->get_key_type(), tmap->get_val_type()) << endl; | |
4240 | } else if (ttype->is_list()) { | |
4241 | t_list* tlist = (t_list*)ttype; | |
4242 | out << indent() << tname << ptr << " " << name << " = " | |
4243 | << generate_new_array_from_type(tlist->get_elem_type()) << endl; | |
4244 | } else if (for_hash_table && ttype->is_enum()) { | |
4245 | out << indent() << tname << " " << name << ";" << endl; | |
4246 | } else { | |
4247 | out << indent() << tname << ptr << " " << name | |
4248 | << (ptr != "" ? " = g_new (" + tname + ", 1)" : " = NULL") << ";" << endl; | |
4249 | } | |
4250 | } | |
4251 | ||
4252 | void t_c_glib_generator::declore_local_variable_for_write(ostream& out, | |
4253 | t_type* ttype, | |
4254 | string& name) { | |
4255 | string tname = type_name(ttype); | |
4256 | ttype = get_true_type(ttype); | |
4257 | string ptr = ttype->is_string() || !ttype->is_base_type() ? " " : "* "; | |
4258 | string init_val = ttype->is_enum() ? "" : " = NULL"; | |
4259 | out << indent() << tname << ptr << name << init_val << ";" << endl; | |
4260 | } | |
4261 | ||
4262 | void t_c_glib_generator::generate_deserialize_map_element(ostream& out, | |
4263 | t_map* tmap, | |
4264 | string prefix, | |
4265 | int error_ret) { | |
4266 | t_type* tkey = tmap->get_key_type(); | |
4267 | t_type* tval = tmap->get_val_type(); | |
4268 | string keyname = tmp("key"); | |
4269 | string valname = tmp("val"); | |
4270 | ||
4271 | declare_local_variable(out, tkey, keyname, true); | |
4272 | declare_local_variable(out, tval, valname, true); | |
4273 | ||
4274 | /* If either the key or value type is a typedef, find its underlying | |
4275 | type so we can correctly determine how to generate a pointer to | |
4276 | it */ | |
4277 | tkey = get_true_type(tkey); | |
4278 | tval = get_true_type(tval); | |
4279 | ||
4280 | string tkey_ptr = tkey->is_string() || !tkey->is_base_type() ? "" : "*"; | |
4281 | string tval_ptr = tval->is_string() || !tval->is_base_type() ? "" : "*"; | |
4282 | ||
4283 | // deserialize the fields of the map element | |
4284 | t_field fkey(tkey, tkey_ptr + keyname); | |
4285 | generate_deserialize_field(out, &fkey, "", "", error_ret); | |
4286 | t_field fval(tval, tval_ptr + valname); | |
4287 | generate_deserialize_field(out, &fval, "", "", error_ret); | |
4288 | ||
4289 | indent(out) << "if (" << prefix << " && " << keyname << ")" << endl; | |
4290 | indent_up(); | |
4291 | indent(out) << "g_hash_table_insert ((GHashTable *)" << prefix << ", (gpointer) " << keyname | |
4292 | << ", (gpointer) " << valname << ");" << endl; | |
4293 | indent_down(); | |
4294 | } | |
4295 | ||
4296 | void t_c_glib_generator::generate_deserialize_set_element(ostream& out, | |
4297 | t_set* tset, | |
4298 | string prefix, | |
4299 | int error_ret) { | |
4300 | t_type* telem = tset->get_elem_type(); | |
4301 | string elem = tmp("_elem"); | |
4302 | string telem_ptr = telem->is_string() || !telem->is_base_type() ? "" : "*"; | |
4303 | ||
4304 | declare_local_variable(out, telem, elem, true); | |
4305 | ||
4306 | t_field felem(telem, telem_ptr + elem); | |
4307 | generate_deserialize_field(out, &felem, "", "", error_ret); | |
4308 | ||
4309 | indent(out) << "if (" << prefix << " && " << elem << ")" << endl; | |
4310 | indent_up(); | |
4311 | indent(out) << "g_hash_table_insert ((GHashTable *) " << prefix << ", (gpointer) " << elem | |
4312 | << ", (gpointer) " << elem << ");" << endl; | |
4313 | indent_down(); | |
4314 | } | |
4315 | ||
4316 | void t_c_glib_generator::generate_deserialize_list_element(ostream& out, | |
4317 | t_list* tlist, | |
4318 | string prefix, | |
4319 | string index, | |
4320 | int error_ret) { | |
4321 | (void)index; | |
4322 | t_type* ttype = get_true_type(tlist->get_elem_type()); | |
4323 | string elem = tmp("_elem"); | |
4324 | string telem_ptr = !is_numeric(ttype) ? "" : "*"; | |
4325 | ||
4326 | declare_local_variable(out, ttype, elem, false); | |
4327 | ||
4328 | t_field felem(ttype, telem_ptr + elem); | |
4329 | generate_deserialize_field(out, &felem, "", "", error_ret); | |
4330 | ||
4331 | if (ttype->is_void()) { | |
4332 | throw std::runtime_error("compiler error: list element type cannot be void"); | |
4333 | } else if (is_numeric(ttype)) { | |
4334 | indent(out) << "g_array_append_vals (" << prefix << ", " << elem << ", 1);" << endl; | |
4335 | } else { | |
4336 | indent(out) << "g_ptr_array_add (" << prefix << ", " << elem << ");" << endl; | |
4337 | } | |
4338 | } | |
4339 | ||
4340 | string t_c_glib_generator::generate_free_func_from_type(t_type* ttype) { | |
4341 | if (ttype == NULL) | |
4342 | return "NULL"; | |
4343 | ||
4344 | if (ttype->is_base_type()) { | |
4345 | t_base_type::t_base tbase = ((t_base_type*)ttype)->get_base(); | |
4346 | switch (tbase) { | |
4347 | case t_base_type::TYPE_VOID: | |
4348 | throw "compiler error: cannot determine hash type"; | |
4349 | break; | |
4350 | case t_base_type::TYPE_BOOL: | |
4351 | case t_base_type::TYPE_I8: | |
4352 | case t_base_type::TYPE_I16: | |
4353 | case t_base_type::TYPE_I32: | |
4354 | case t_base_type::TYPE_I64: | |
4355 | case t_base_type::TYPE_DOUBLE: | |
4356 | return "g_free"; | |
4357 | case t_base_type::TYPE_STRING: | |
4358 | if (((t_base_type*)ttype)->is_binary()) { | |
4359 | return "thrift_string_free"; | |
4360 | } | |
4361 | return "g_free"; | |
4362 | default: | |
4363 | throw "compiler error: no hash table info for type"; | |
4364 | } | |
4365 | } else if (ttype->is_enum()) { | |
4366 | return "NULL"; | |
4367 | } else if (ttype->is_map() || ttype->is_set()) { | |
4368 | return "(GDestroyNotify) thrift_safe_hash_table_destroy"; | |
4369 | } else if (ttype->is_struct()) { | |
4370 | return "g_object_unref"; | |
4371 | } else if (ttype->is_list()) { | |
4372 | t_type* etype = ((t_list*)ttype)->get_elem_type(); | |
4373 | if (etype->is_base_type()) { | |
4374 | t_base_type::t_base tbase = ((t_base_type*)etype)->get_base(); | |
4375 | switch (tbase) { | |
4376 | case t_base_type::TYPE_VOID: | |
4377 | throw "compiler error: cannot determine array type"; | |
4378 | break; | |
4379 | case t_base_type::TYPE_BOOL: | |
4380 | case t_base_type::TYPE_I8: | |
4381 | case t_base_type::TYPE_I16: | |
4382 | case t_base_type::TYPE_I32: | |
4383 | case t_base_type::TYPE_I64: | |
4384 | case t_base_type::TYPE_DOUBLE: | |
4385 | return "(GDestroyNotify) g_array_unref"; | |
4386 | case t_base_type::TYPE_STRING: | |
4387 | return "(GDestroyNotify) g_ptr_array_unref"; | |
4388 | default: | |
4389 | throw "compiler error: no array info for type"; | |
4390 | } | |
4391 | } else if (etype->is_container() || etype->is_struct()) { | |
4392 | return "(GDestroyNotify) g_ptr_array_unref"; | |
4393 | ; | |
4394 | } else if (etype->is_enum()) { | |
4395 | return "(GDestroyNotify) g_array_unref"; | |
4396 | } | |
4397 | printf("Type not expected inside the array: %s\n", etype->get_name().c_str()); | |
4398 | throw "Type not expected inside array"; | |
4399 | } else if (ttype->is_typedef()) { | |
4400 | return generate_free_func_from_type(((t_typedef*)ttype)->get_type()); | |
4401 | } | |
4402 | printf("Type not expected: %s\n", ttype->get_name().c_str()); | |
4403 | throw "Type not expected"; | |
4404 | } | |
4405 | ||
4406 | string t_c_glib_generator::generate_hash_func_from_type(t_type* ttype) { | |
4407 | if (ttype == NULL) | |
4408 | return "NULL"; | |
4409 | ||
4410 | if (ttype->is_base_type()) { | |
4411 | t_base_type::t_base tbase = ((t_base_type*)ttype)->get_base(); | |
4412 | switch (tbase) { | |
4413 | case t_base_type::TYPE_VOID: | |
4414 | throw "compiler error: cannot determine hash type"; | |
4415 | break; | |
4416 | case t_base_type::TYPE_BOOL: | |
4417 | return "thrift_boolean_hash"; | |
4418 | case t_base_type::TYPE_I8: | |
4419 | return "thrift_int8_hash"; | |
4420 | case t_base_type::TYPE_I16: | |
4421 | return "thrift_int16_hash"; | |
4422 | case t_base_type::TYPE_I32: | |
4423 | return "g_int_hash"; | |
4424 | case t_base_type::TYPE_I64: | |
4425 | return "g_int64_hash"; | |
4426 | case t_base_type::TYPE_DOUBLE: | |
4427 | return "g_double_hash"; | |
4428 | case t_base_type::TYPE_STRING: | |
4429 | return "g_str_hash"; | |
4430 | default: | |
4431 | throw "compiler error: no hash table info for type"; | |
4432 | } | |
4433 | } else if (ttype->is_enum()) { | |
4434 | return "g_direct_hash"; | |
4435 | } else if (ttype->is_container() || ttype->is_struct()) { | |
4436 | return "g_direct_hash"; | |
4437 | } else if (ttype->is_typedef()) { | |
4438 | return generate_hash_func_from_type(((t_typedef*)ttype)->get_type()); | |
4439 | } | |
4440 | printf("Type not expected: %s\n", ttype->get_name().c_str()); | |
4441 | throw "Type not expected"; | |
4442 | } | |
4443 | ||
4444 | string t_c_glib_generator::generate_cmp_func_from_type(t_type* ttype) { | |
4445 | if (ttype == NULL) | |
4446 | return "NULL"; | |
4447 | ||
4448 | if (ttype->is_base_type()) { | |
4449 | t_base_type::t_base tbase = ((t_base_type*)ttype)->get_base(); | |
4450 | switch (tbase) { | |
4451 | case t_base_type::TYPE_VOID: | |
4452 | throw "compiler error: cannot determine hash type"; | |
4453 | break; | |
4454 | case t_base_type::TYPE_BOOL: | |
4455 | return "thrift_boolean_equal"; | |
4456 | case t_base_type::TYPE_I8: | |
4457 | return "thrift_int8_equal"; | |
4458 | case t_base_type::TYPE_I16: | |
4459 | return "thrift_int16_equal"; | |
4460 | case t_base_type::TYPE_I32: | |
4461 | return "g_int_equal"; | |
4462 | case t_base_type::TYPE_I64: | |
4463 | return "g_int64_equal"; | |
4464 | case t_base_type::TYPE_DOUBLE: | |
4465 | return "g_double_equal"; | |
4466 | case t_base_type::TYPE_STRING: | |
4467 | return "g_str_equal"; | |
4468 | default: | |
4469 | throw "compiler error: no hash table info for type"; | |
4470 | } | |
4471 | } else if (ttype->is_enum()) { | |
4472 | return "g_direct_equal"; | |
4473 | } else if (ttype->is_container() || ttype->is_struct()) { | |
4474 | return "g_direct_equal"; | |
4475 | } else if (ttype->is_typedef()) { | |
4476 | return generate_cmp_func_from_type(((t_typedef*)ttype)->get_type()); | |
4477 | } | |
4478 | printf("Type not expected: %s\n", ttype->get_name().c_str()); | |
4479 | throw "Type not expected"; | |
4480 | } | |
4481 | ||
4482 | string t_c_glib_generator::generate_new_hash_from_type(t_type* key, t_type* value) { | |
4483 | string hash_func = generate_hash_func_from_type(key); | |
4484 | string cmp_func = generate_cmp_func_from_type(key); | |
4485 | string key_free_func = generate_free_func_from_type(key); | |
4486 | string value_free_func = generate_free_func_from_type(value); | |
4487 | ||
4488 | return "g_hash_table_new_full (" + hash_func + ", " + cmp_func + ", " + key_free_func + ", " | |
4489 | + value_free_func + ");"; | |
4490 | } | |
4491 | ||
4492 | string t_c_glib_generator::generate_new_array_from_type(t_type* ttype) { | |
4493 | if (ttype->is_void()) { | |
4494 | throw std::runtime_error("compiler error: cannot determine array type"); | |
4495 | } else if (is_numeric(ttype)) { | |
4496 | return "g_array_new (0, 1, sizeof (" + base_type_name(ttype) + "));"; | |
4497 | } else { | |
4498 | string free_func = generate_free_func_from_type(ttype); | |
4499 | return "g_ptr_array_new_with_free_func (" + free_func + ");"; | |
4500 | } | |
4501 | } | |
4502 | ||
4503 | /*************************************** | |
4504 | * UTILITY FUNCTIONS * | |
4505 | ***************************************/ | |
4506 | ||
4507 | /** | |
4508 | * Upper case a string. | |
4509 | */ | |
4510 | string to_upper_case(string name) { | |
4511 | string s(name); | |
4512 | std::transform(s.begin(), s.end(), s.begin(), ::toupper); | |
4513 | return s; | |
4514 | } | |
4515 | ||
4516 | /** | |
4517 | * Lower case a string. | |
4518 | */ | |
4519 | string to_lower_case(string name) { | |
4520 | string s(name); | |
4521 | std::transform(s.begin(), s.end(), s.begin(), ::tolower); | |
4522 | return s; | |
4523 | } | |
4524 | ||
4525 | /** | |
4526 | * Makes a string friendly to C code standards by lowercasing and adding | |
4527 | * underscores, with the exception of the first character. For example: | |
4528 | * | |
4529 | * Input: "ZomgCamelCase" | |
4530 | * Output: "zomg_camel_case" | |
4531 | */ | |
4532 | string initial_caps_to_underscores(string name) { | |
4533 | string ret; | |
4534 | const char* tmp = name.c_str(); | |
4535 | int pos = 0; | |
4536 | ||
4537 | /* the first character isn't underscored if uppercase, just lowercased */ | |
4538 | ret += tolower(tmp[pos]); | |
4539 | pos++; | |
4540 | for (unsigned int i = pos; i < name.length(); i++) { | |
4541 | char lc = tolower(tmp[i]); | |
4542 | if (lc != tmp[i]) { | |
4543 | ret += '_'; | |
4544 | } | |
4545 | ret += lc; | |
4546 | } | |
4547 | ||
4548 | return ret; | |
4549 | } | |
4550 | ||
4551 | /** | |
4552 | * Performs the reverse operation of initial_caps_to_underscores: The first | |
4553 | * character of the string is made uppercase, along with each character that | |
4554 | * follows an underscore (which is removed). Useful for converting Thrift | |
4555 | * service-method names into GObject-style class names. | |
4556 | * | |
4557 | * Input: "zomg_camel_case" | |
4558 | * Output: "ZomgCamelCase" | |
4559 | */ | |
4560 | string underscores_to_initial_caps(string name) { | |
4561 | string ret; | |
4562 | const char* tmp = name.c_str(); | |
4563 | bool uppercase_next = true; | |
4564 | ||
4565 | for (unsigned int i = 0; i < name.length(); i++) { | |
4566 | char c = tmp[i]; | |
4567 | if (c == '_') { | |
4568 | uppercase_next = true; | |
4569 | } else { | |
4570 | if (uppercase_next) { | |
4571 | ret += toupper(c); | |
4572 | uppercase_next = false; | |
4573 | } else { | |
4574 | ret += c; | |
4575 | } | |
4576 | } | |
4577 | } | |
4578 | ||
4579 | return ret; | |
4580 | } | |
4581 | ||
4582 | /* register this generator with the main program */ | |
4583 | THRIFT_REGISTER_GENERATOR(c_glib, "C, using GLib", "") |