X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=ceph%2Fsrc%2Fjaegertracing%2Fthrift%2Fcompiler%2Fcpp%2Fsrc%2Fthrift%2Fgenerate%2Ft_dart_generator.cc;fp=ceph%2Fsrc%2Fjaegertracing%2Fthrift%2Fcompiler%2Fcpp%2Fsrc%2Fthrift%2Fgenerate%2Ft_dart_generator.cc;h=0000000000000000000000000000000000000000;hb=20effc670b57271cb089376d6d0800990e5218d5;hp=fbbb9e6d3c5ff51db69487980b1d0bb70c446b43;hpb=a71831dadd1e1f3e0fa70405511f65cc33db0498;p=ceph.git diff --git a/ceph/src/jaegertracing/thrift/compiler/cpp/src/thrift/generate/t_dart_generator.cc b/ceph/src/jaegertracing/thrift/compiler/cpp/src/thrift/generate/t_dart_generator.cc deleted file mode 100644 index fbbb9e6d3..000000000 --- a/ceph/src/jaegertracing/thrift/compiler/cpp/src/thrift/generate/t_dart_generator.cc +++ /dev/null @@ -1,2514 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -#include -#include -#include -#include -#include -#include - -#include -#include - -#include "thrift/platform.h" -#include "thrift/generate/t_oop_generator.h" - -using std::map; -using std::ostream; -using std::ostringstream; -using std::string; -using std::stringstream; -using std::vector; - -static const string endl = "\n"; // avoid ostream << std::endl flushes -static const string endl2 = "\n\n"; - -/** - * Use the current Thrift version for static libraries. When releasing, update - * the version in these files. - * - lib/dart/pubspec.yaml - * - test/dart/test_client/pubspec.yaml - * - tutorial/dart/client/pubspec.yaml - * - tutorial/dart/console_client/pubspec.yaml - * - tutorial/dart/server/pubspec.yaml - * See https://thrift.apache.org/docs/committers/HowToVersion - */ -static const string dart_thrift_version = THRIFT_VERSION; - -/* forward declarations */ -string initial_caps_to_underscores(string name); - -/** - * Dart code generator - * - */ -class t_dart_generator : public t_oop_generator { -public: - t_dart_generator(t_program* program, - const std::map& parsed_options, - const std::string& option_string) - : t_oop_generator(program) { - (void)option_string; - std::map::const_iterator iter; - - library_name_ = ""; - library_prefix_ = ""; - package_prefix_ = ""; - pubspec_lib_ = ""; - for( iter = parsed_options.begin(); iter != parsed_options.end(); ++iter) { - if( iter->first.compare("library_name") == 0) { - library_name_ = (iter->second); - } else if( iter->first.compare("library_prefix") == 0) { - library_prefix_ = (iter->second) + "."; - package_prefix_ = replace_all(library_prefix_, ".", "/"); - } else if( iter->first.compare("pubspec_lib") == 0) { - pubspec_lib_ = (iter->second); - } else { - throw "unknown option dart:" + iter->first; - } - } - - out_dir_base_ = "gen-dart"; - } - - void scope_up(std::ostream& out, std::string prefix=" ") { - out << prefix << "{" << endl; - indent_up(); - } - - void scope_down(std::ostream& out, std::string postfix=endl) { - indent_down(); - indent(out) << "}" << postfix; - } - - string replace_all(string contents, string search, string repl) { - string str(contents); - - size_t slen = search.length(); - size_t rlen = repl.length(); - size_t incr = (rlen > 0) ? rlen : 1; - - if (slen > 0) { - size_t found = str.find(search); - while ((found != string::npos) && (found < str.length())) { - str.replace(found, slen, repl); - found = str.find(search, found + incr); - } - } - - return str; - } - - - /** - * Init and close methods - */ - - void init_generator() override; - void close_generator() override; - - void export_class_to_library(string file_name, string class_name); - - void generate_dart_library(); - void generate_dart_pubspec(); - - void generate_consts(std::vector consts) override; - - /** - * Program-level generation functions - */ - - void generate_typedef(t_typedef* ttypedef) override; - void generate_enum(t_enum* tenum) override; - void generate_struct(t_struct* tstruct) override; - void generate_xception(t_struct* txception) override; - void generate_service(t_service* tservice) override; - - void print_const_value(std::ostream& out, - std::string name, - t_type* type, - t_const_value* value, - bool in_static, - bool defval = false); - std::string render_const_value(ostream& out, - std::string name, - t_type* type, - t_const_value* value); - - /** - * Service-level generation functions - */ - - void generate_dart_struct(t_struct* tstruct, bool is_exception); - - void generate_dart_struct_definition(std::ostream& out, - t_struct* tstruct, - bool is_xception = false, - bool is_result = false, - string export_file_name = ""); - void generate_dart_struct_reader(std::ostream& out, t_struct* tstruct); - void generate_dart_validator(std::ostream& out, t_struct* tstruct); - void generate_dart_struct_result_writer(std::ostream& out, t_struct* tstruct); - void generate_dart_struct_writer(std::ostream& out, t_struct* tstruct); - void generate_dart_struct_tostring(std::ostream& out, t_struct* tstruct); - std::string get_dart_type_string(t_type* type); - void generate_generic_field_getters(std::ostream& out, t_struct* tstruct); - void generate_generic_field_setters(std::ostream& out, t_struct* tstruct); - void generate_generic_isset_method(std::ostream& out, t_struct* tstruct); - void generate_dart_bean_boilerplate(std::ostream& out, t_struct* tstruct); - - void generate_function_helpers(t_function* tfunction); - std::string init_value(t_field* tfield); - std::string get_cap_name(std::string name); - std::string get_member_name(std::string name); - std::string get_args_class_name(std::string name); - std::string get_result_class_name(std::string name); - std::string get_file_name(std::string name); - std::string get_constants_class_name(std::string name); - std::string generate_isset_check(t_field* field); - std::string generate_isset_check(std::string field); - void generate_isset_set(ostream& out, t_field* field); - - void generate_service_interface(t_service* tservice); - void generate_service_helpers(t_service* tservice); - void generate_service_client(t_service* tservice); - void generate_service_server(t_service* tservice); - void generate_process_function(t_service* tservice, t_function* tfunction); - - /** - * Serialization constructs - */ - - void generate_deserialize_field(std::ostream& out, t_field* tfield, std::string prefix = ""); - - void generate_deserialize_struct(std::ostream& out, t_struct* tstruct, std::string prefix = ""); - - void generate_deserialize_container(std::ostream& out, t_type* ttype, std::string prefix = ""); - - void generate_deserialize_set_element(std::ostream& out, t_set* tset, std::string prefix = ""); - - void generate_deserialize_map_element(std::ostream& out, t_map* tmap, std::string prefix = ""); - - void generate_deserialize_list_element(std::ostream& out, - t_list* tlist, - std::string prefix = ""); - - void generate_serialize_field(std::ostream& out, t_field* tfield, std::string prefix = ""); - - void generate_serialize_struct(std::ostream& out, t_struct* tstruct, std::string prefix = ""); - - void generate_serialize_container(std::ostream& out, t_type* ttype, std::string prefix = ""); - - void generate_serialize_map_element(std::ostream& out, - t_map* tmap, - std::string iter, - std::string map); - - void generate_serialize_set_element(std::ostream& out, t_set* tmap, std::string iter); - - void generate_serialize_list_element(std::ostream& out, t_list* tlist, std::string iter); - - void generate_dart_doc(std::ostream& out, t_doc* tdoc); - - void generate_dart_doc(std::ostream& out, t_function* tdoc); - - /** - * Helper rendering functions - */ - - std::string find_library_name(t_program* program); - std::string dart_library(string file_name); - std::string service_imports(); - std::string dart_thrift_imports(); - std::string type_name(t_type* ttype); - std::string base_type_name(t_base_type* tbase); - std::string declare_field(t_field* tfield, bool init = false); - std::string function_signature(t_function* tfunction); - std::string argument_list(t_struct* tstruct); - std::string type_to_enum(t_type* ttype); - std::string get_ttype_class_name(t_type* ttype); - - bool type_can_be_null(t_type* ttype) { - ttype = get_true_type(ttype); - - return ttype->is_container() || ttype->is_struct() || ttype->is_xception() - || ttype->is_string(); - } - - vector split(const string& s, char delim) { - vector elems; - stringstream ss(s); - string item; - while (getline(ss, item, delim)) { - elems.push_back(item); - } - return elems; - } - - std::string constant_name(std::string name); - -private: - ofstream_with_content_based_conditional_update f_service_; - - std::string library_name_; - std::string library_prefix_; - std::string package_prefix_; - std::string pubspec_lib_; - - std::string base_dir_; - std::string src_dir_; - std::string library_exports_; -}; - -/** - * Prepares for file generation by opening up the necessary file output - * streams. - * - * @param tprogram The program to generate - */ -void t_dart_generator::init_generator() { - MKDIR(get_out_dir().c_str()); - - if (library_name_.empty()) { - library_name_ = find_library_name(program_); - } - - string subdir = get_out_dir() + "/" + library_name_; - MKDIR(subdir.c_str()); - base_dir_ = subdir; - - if (library_prefix_.empty()) { - subdir += "/lib"; - MKDIR(subdir.c_str()); - subdir += "/src"; - MKDIR(subdir.c_str()); - src_dir_ = subdir; - } else { - src_dir_ = base_dir_; - } -} - -string t_dart_generator::find_library_name(t_program* program) { - string name = program->get_namespace("dart"); - if (name.empty()) { - name = program->get_name(); - } - name = replace_all(name, ".", "_"); - name = replace_all(name, "-", "_"); - return name; -} - -/** - * The Dart library - * - * @return String of the library, e.g. "library myservice;" - */ -string t_dart_generator::dart_library(string file_name) { - string out = "library " + library_prefix_ + library_name_; - if (!file_name.empty()) { - if (library_prefix_.empty()) { - out += ".src." + file_name; - } else { - out += "." + file_name; - } - } - return out + ";\n"; -} - -/** - * Prints imports for services - * - * @return List of imports for services - */ -string t_dart_generator::service_imports() { - return "import 'dart:async';" + endl; -} - -/** - * Prints standard dart imports - * - * @return List of imports necessary for thrift - */ -string t_dart_generator::dart_thrift_imports() { - string imports = "import 'dart:typed_data' show Uint8List;" + endl + - "import 'package:thrift/thrift.dart';" + endl; - - // add import for this library - if (package_prefix_.empty()) { - imports += "import 'package:" + library_name_ + "/" + library_name_ + ".dart';" + endl; - } else { - imports += "import 'package:" + package_prefix_ + library_name_ + ".dart';" + endl; - } - - // add imports for included thrift files - const vector& includes = program_->get_includes(); - for (auto include : includes) { - string include_name = find_library_name(include); - string named_import = "t_" + include_name; - if (package_prefix_.empty()) { - imports += "import 'package:" + include_name + "/" + include_name + ".dart' as " + named_import + ";" + endl; - } else { - imports += "import 'package:" + package_prefix_ + include_name + ".dart' as " + named_import + ";" + endl; - } - } - - return imports; -} - -/** - * Not used - */ -void t_dart_generator::close_generator() { - generate_dart_library(); - - if (library_prefix_.empty()) { - generate_dart_pubspec(); - } -} - -void t_dart_generator::generate_dart_library() { - string f_library_name; - if (library_prefix_.empty()) { - f_library_name = base_dir_ + "/lib/" + library_name_ + ".dart"; - } else { - f_library_name = get_out_dir() + "/" + library_name_ + ".dart"; - } - - ofstream_with_content_based_conditional_update f_library; - f_library.open(f_library_name.c_str()); - - f_library << autogen_comment() << endl; - f_library << "library " << library_prefix_ << library_name_ << ";" << endl2; - f_library << library_exports_; - - f_library.close(); -} - -void t_dart_generator::export_class_to_library(string file_name, string class_name) { - string subdir; - if (library_prefix_.empty()) { - subdir = "src"; - } else { - subdir = library_name_; - } - library_exports_ += "export '" + subdir + "/" + file_name + ".dart' show " + class_name + ";" + endl; -} - -void t_dart_generator::generate_dart_pubspec() { - string f_pubspec_name = base_dir_ + "/pubspec.yaml"; - ofstream_with_content_based_conditional_update f_pubspec; - f_pubspec.open(f_pubspec_name.c_str()); - - indent(f_pubspec) << "name: " << library_name_ << endl; - indent(f_pubspec) << "version: 0.0.1" << endl; - indent(f_pubspec) << "description: Autogenerated by Thrift Compiler" << endl; - f_pubspec << endl; - - indent(f_pubspec) << "environment:" << endl; - indent_up(); - indent(f_pubspec) << "sdk: '>=1.24.3 <3.0.0'" << endl; - indent_down(); - f_pubspec << endl; - - indent(f_pubspec) << "dependencies:" << endl; - indent_up(); - - if (pubspec_lib_.empty()) { - // default to relative path within working directory, which works for tests - indent(f_pubspec) << "thrift: # ^" << dart_thrift_version << endl; - indent_up(); - indent(f_pubspec) << "path: ../../../../lib/dart" << endl; - indent_down(); - } else { - const vector lines = split(pubspec_lib_, '|'); - for (const auto & line : lines) { - indent(f_pubspec) << line << endl; - } - } - - // add included thrift files as dependencies - const vector& includes = program_->get_includes(); - for (auto include : includes) { - string include_name = find_library_name(include); - indent(f_pubspec) << include_name << ":" << endl; - indent_up(); - indent(f_pubspec) << "path: ../" << include_name << endl; - indent_down(); - } - - indent_down(); - f_pubspec << endl; - - f_pubspec.close(); -} - -/** - * Not used - * - * @param ttypedef The type definition - */ -void t_dart_generator::generate_typedef(t_typedef* ttypedef) { - (void)ttypedef; -} - -/** - * Enums are a class with a set of static constants. - * - * @param tenum The enumeration - */ -void t_dart_generator::generate_enum(t_enum* tenum) { - // Make output file - string file_name = get_file_name(tenum->get_name()); - - string f_enum_name = src_dir_ + "/" + file_name + ".dart"; - ofstream_with_content_based_conditional_update f_enum; - f_enum.open(f_enum_name.c_str()); - - // Comment and add library - f_enum << autogen_comment() << dart_library(file_name) << endl; - - string class_name = tenum->get_name(); - export_class_to_library(file_name, class_name); - f_enum << "class " << class_name; - scope_up(f_enum); - - vector constants = tenum->get_constants(); - vector::iterator c_iter; - for (c_iter = constants.begin(); c_iter != constants.end(); ++c_iter) { - int value = (*c_iter)->get_value(); - indent(f_enum) << "static const int " << (*c_iter)->get_name() << " = " << value << ";" - << endl; - } - - // Create a static Set with all valid values for this enum - f_enum << endl; - - indent(f_enum) << "static final Set VALID_VALUES = new Set.from([" << endl; - indent_up(); - bool firstValue = true; - for (c_iter = constants.begin(); c_iter != constants.end(); ++c_iter) { - // populate set - indent(f_enum) << (firstValue ? "" : ", "); - f_enum << (*c_iter)->get_name() << endl; - firstValue = false; - } - indent_down(); - indent(f_enum) << "]);" << endl; - - indent(f_enum) << "static final Map VALUES_TO_NAMES = {" << endl; - indent_up(); - firstValue = true; - for (c_iter = constants.begin(); c_iter != constants.end(); ++c_iter) { - indent(f_enum) << (firstValue ? "" : ", "); - f_enum << (*c_iter)->get_name() << ": '" << (*c_iter)->get_name() << "'" << endl; - firstValue = false; - } - indent_down(); - indent(f_enum) << "};" << endl; - - scope_down(f_enum); // end class - - f_enum.close(); -} - -/** - * Generates a class that holds all the constants. - */ -void t_dart_generator::generate_consts(std::vector consts) { - if (consts.empty()) { - return; - } - - string class_name = get_constants_class_name(program_name_); - string file_name = get_file_name(class_name); - - string f_consts_name = src_dir_ + "/" + file_name + ".dart"; - ofstream_with_content_based_conditional_update f_consts; - f_consts.open(f_consts_name.c_str()); - - // Print header - f_consts << autogen_comment() << dart_library(file_name) << endl; - f_consts << dart_thrift_imports() << endl; - - export_class_to_library(file_name, class_name); - indent(f_consts) << "class " << class_name; - scope_up(f_consts); - - vector::iterator c_iter; - for (c_iter = consts.begin(); c_iter != consts.end(); ++c_iter) { - print_const_value(f_consts, - (*c_iter)->get_name(), - (*c_iter)->get_type(), - (*c_iter)->get_value(), - false); - f_consts << endl; - } - - scope_down(f_consts); - - f_consts.close(); -} - -void t_dart_generator::print_const_value(std::ostream& out, - string name, - t_type* type, - t_const_value* value, - bool in_static, - bool defval) { - type = get_true_type(type); - - indent(out); - if (!defval) { - out << (in_static ? "var " : "static final "); - } - if (type->is_base_type()) { - if (!defval) { - out << type_name(type) << " "; - } - string v2 = render_const_value(out, name, type, value); - out << name; - out << " = " << v2 << ";" << endl << endl; - } else if (type->is_enum()) { - if (!defval) { - out << type_name(type) << " "; - } - out << name; - out << " = " << value->get_integer() << ";" << endl << endl; - } else if (type->is_struct() || type->is_xception()) { - const vector& fields = ((t_struct*)type)->get_members(); - vector::const_iterator f_iter; - const map& val = value->get_map(); - map::const_iterator v_iter; - out << type_name(type) << " " << name << " = new " << type_name(type) << "()"; - indent_up(); - for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) { - t_type* field_type = NULL; - for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { - if ((*f_iter)->get_name() == v_iter->first->get_string()) { - field_type = (*f_iter)->get_type(); - } - } - if (field_type == NULL) { - throw "type error: " + type->get_name() + " has no field " + v_iter->first->get_string(); - } - string val = render_const_value(out, name, field_type, v_iter->second); - out << endl; - indent(out) << ".." << v_iter->first->get_string() << " = " << val; - } - indent_down(); - out << ";" << endl; - } else if (type->is_map()) { - if (!defval) { - out << type_name(type) << " "; - } - out << name << " ="; - scope_up(out); - - t_type* ktype = ((t_map*)type)->get_key_type(); - t_type* vtype = ((t_map*)type)->get_val_type(); - const map& val = value->get_map(); - map::const_iterator v_iter; - - for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) { - string key = render_const_value(out, name, ktype, v_iter->first); - string val = render_const_value(out, name, vtype, v_iter->second); - indent(out) << key << ": " << val << "," << endl; - } - scope_down(out, ";" + endl); - - out << endl; - } else if (type->is_list() || type->is_set()) { - if (!defval) { - out << type_name(type) << " "; - } - out << name << " = "; - t_type* etype; - if (type->is_list()) { - out << "[" << endl; - etype = ((t_list*)type)->get_elem_type(); - } else { - out << "new " << type_name(type) << ".from([" << endl; - etype = ((t_set*)type)->get_elem_type(); - } - const vector& val = value->get_list(); - vector::const_iterator v_iter; - - indent_up(); - for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) { - string val = render_const_value(out, name, etype, *v_iter); - indent(out) << val << "," << endl; - } - indent_down(); - - if (type->is_list()) { - indent(out) << "];" << endl; - } else { - indent(out) << "]);" << endl; - } - - } else { - throw "compiler error: no const of type " + type->get_name(); - } -} - -string t_dart_generator::render_const_value(ostream& out, - string name, - t_type* type, - t_const_value* value) { - (void)name; - type = get_true_type(type); - std::ostringstream render; - - if (type->is_base_type()) { - t_base_type::t_base tbase = ((t_base_type*)type)->get_base(); - switch (tbase) { - case t_base_type::TYPE_STRING: - render << "'" << get_escaped_string(value) << "'"; - break; - case t_base_type::TYPE_BOOL: - render << ((value->get_integer() > 0) ? "true" : "false"); - break; - case t_base_type::TYPE_I8: - case t_base_type::TYPE_I16: - case t_base_type::TYPE_I32: - case t_base_type::TYPE_I64: - render << value->get_integer(); - break; - case t_base_type::TYPE_DOUBLE: - if (value->get_type() == t_const_value::CV_INTEGER) { - render << value->get_integer(); - } else { - render << value->get_double(); - } - break; - default: - throw "compiler error: no const of base type " + t_base_type::t_base_name(tbase); - } - } else if (type->is_enum()) { - render << value->get_integer(); - } else { - string t = tmp("tmp"); - print_const_value(out, t, type, value, true); - out << endl; - render << t; - } - - return render.str(); -} - -/** - * Generates a struct definition for a thrift data type. This is a class - * with data members, read(), write(), and an inner Isset class. - * - * @param tstruct The struct definition - */ -void t_dart_generator::generate_struct(t_struct* tstruct) { - generate_dart_struct(tstruct, false); -} - -/** - * Exceptions are structs, but they inherit from Exception - * - * @param tstruct The struct definition - */ -void t_dart_generator::generate_xception(t_struct* txception) { - generate_dart_struct(txception, true); -} - -/** - * Dart struct definition. - * - * @param tstruct The struct definition - */ -void t_dart_generator::generate_dart_struct(t_struct* tstruct, bool is_exception) { - string file_name = get_file_name(tstruct->get_name()); - string f_struct_name = src_dir_ + "/" + file_name + ".dart"; - ofstream_with_content_based_conditional_update f_struct; - f_struct.open(f_struct_name.c_str()); - - f_struct << autogen_comment() << dart_library(file_name) << endl; - - string imports; - - f_struct << dart_thrift_imports() << endl; - - generate_dart_struct_definition(f_struct, tstruct, is_exception, false, file_name); - - f_struct.close(); -} - -/** - * Dart struct definition. This has various parameters, as it could be - * generated standalone or inside another class as a helper. If it - * is a helper than it is a static class. - * - * @param tstruct The struct definition - * @param is_exception Is this an exception? - * @param in_class If inside a class, needs to be static class - * @param is_result If this is a result it needs a different writer - */ -void t_dart_generator::generate_dart_struct_definition(ostream& out, - t_struct* tstruct, - bool is_exception, - bool is_result, - string export_file_name) { - generate_dart_doc(out, tstruct); - - string class_name = tstruct->get_name(); - if (!export_file_name.empty()) { - export_class_to_library(export_file_name, class_name); - } - indent(out) << "class " << class_name << " "; - - out << "implements TBase"; - if (is_exception) { - out << ", Exception "; - } - scope_up(out); - - indent(out) << "static final TStruct _STRUCT_DESC = new TStruct(\"" << class_name - << "\");" << endl; - - // Members are public for -dart, private for -dartbean - const vector& members = tstruct->get_members(); - vector::const_iterator m_iter; - - for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { - indent(out) << "static final TField _" << constant_name((*m_iter)->get_name()) - << "_FIELD_DESC = new TField(\"" << (*m_iter)->get_name() << "\", " - << type_to_enum((*m_iter)->get_type()) << ", " << (*m_iter)->get_key() << ");" - << endl; - } - - out << endl; - - for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { - generate_dart_doc(out, *m_iter); - indent(out) << type_name((*m_iter)->get_type()) + " _" - << get_member_name((*m_iter)->get_name()) << init_value(*m_iter) << ";" << endl; - - indent(out) << "static const int " << upcase_string((*m_iter)->get_name()) - << " = " << (*m_iter)->get_key() << ";" << endl; - } - - out << endl; - - // Inner Isset class - if (members.size() > 0) { - for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { - if (!type_can_be_null((*m_iter)->get_type())) { - string field_name = get_member_name((*m_iter)->get_name()); - indent(out) << "bool __isset_" << field_name << " = false;" << endl; - } - } - } - - out << endl; - - // Default constructor - indent(out) << tstruct->get_name() << "()"; - scope_up(out); - for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { - t_type* t = get_true_type((*m_iter)->get_type()); - if ((*m_iter)->get_value() != NULL) { - print_const_value(out, - "this." + get_member_name((*m_iter)->get_name()), - t, - (*m_iter)->get_value(), - true, - true); - } - } - scope_down(out); - out << endl; - - generate_dart_bean_boilerplate(out, tstruct); - generate_generic_field_getters(out, tstruct); - generate_generic_field_setters(out, tstruct); - generate_generic_isset_method(out, tstruct); - - generate_dart_struct_reader(out, tstruct); - if (is_result) { - generate_dart_struct_result_writer(out, tstruct); - } else { - generate_dart_struct_writer(out, tstruct); - } - generate_dart_struct_tostring(out, tstruct); - generate_dart_validator(out, tstruct); - scope_down(out); - out << endl; -} - -/** - * Generates a function to read all the fields of the struct. - * - * @param tstruct The struct definition - */ -void t_dart_generator::generate_dart_struct_reader(ostream& out, t_struct* tstruct) { - indent(out) << "read(TProtocol iprot)"; - scope_up(out); - - const vector& fields = tstruct->get_members(); - vector::const_iterator f_iter; - - // Declare stack tmp variables and read struct header - indent(out) << "TField field;" << endl; - indent(out) << "iprot.readStructBegin();" << endl; - - // Loop over reading in fields - indent(out) << "while (true)"; - scope_up(out); - - // Read beginning field marker - indent(out) << "field = iprot.readFieldBegin();" << endl; - - // Check for field STOP marker and break - indent(out) << "if (field.type == TType.STOP)"; - scope_up(out); - indent(out) << "break;" << endl; - scope_down(out); - - // Switch statement on the field we are reading - indent(out) << "switch (field.id)"; - scope_up(out); - - // Generate deserialization code for known cases - for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { - indent(out) << "case " << upcase_string((*f_iter)->get_name()) << ":" << endl; - indent_up(); - - indent(out) << "if (field.type == " << type_to_enum((*f_iter)->get_type()) << ")"; - scope_up(out); - - generate_deserialize_field(out, *f_iter, "this."); - generate_isset_set(out, *f_iter); - - scope_down(out, " else"); - scope_up(out); - indent(out) << "TProtocolUtil.skip(iprot, field.type);" << endl; - scope_down(out); - - indent(out) << "break;" << endl; - indent_down(); - } - - // In the default case we skip the field - indent(out) << "default:" << endl; - indent_up(); - indent(out) << "TProtocolUtil.skip(iprot, field.type);" << endl; - indent(out) << "break;" << endl; - indent_down(); - - scope_down(out); - - // Read field end marker - indent(out) << "iprot.readFieldEnd();" << endl; - - scope_down(out); - - indent(out) << "iprot.readStructEnd();" << endl2; - - // in non-beans style, check for required fields of primitive type - // (which can be checked here but not in the general validate method) - indent(out) << "// check for required fields of primitive type, which can't be " - "checked in the validate method" << endl; - for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { - if ((*f_iter)->get_req() == t_field::T_REQUIRED && !type_can_be_null((*f_iter)->get_type())) { - string field_name = get_member_name((*f_iter)->get_name()); - indent(out) << "if (!__isset_" << field_name << ")"; - scope_up(out); - indent(out) << " throw new TProtocolError(TProtocolErrorType.UNKNOWN, \"Required field '" - << field_name - << "' was not found in serialized data! Struct: \" + toString());" << endl; - scope_down(out, endl2); - } - } - - // performs various checks (e.g. check that all required fields are set) - indent(out) << "validate();" << endl; - - scope_down(out, endl2); -} - -// generates dart method to perform various checks -// (e.g. check that all required fields are set) -void t_dart_generator::generate_dart_validator(ostream& out, t_struct* tstruct) { - indent(out) << "validate()"; - scope_up(out); - - const vector& fields = tstruct->get_members(); - vector::const_iterator f_iter; - - indent(out) << "// check for required fields" << endl; - for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { - if ((*f_iter)->get_req() == t_field::T_REQUIRED) { - string field_name = get_member_name((*f_iter)->get_name()); - if (type_can_be_null((*f_iter)->get_type())) { - indent(out) << "if (" << field_name << " == null)"; - scope_up(out); - indent(out) << "throw new TProtocolError(TProtocolErrorType.UNKNOWN, \"Required field '" - << field_name << "' was not present! Struct: \" + toString());" - << endl; - scope_down(out); - } else { - indent(out) << "// alas, we cannot check '" << field_name - << "' because it's a primitive and you chose the non-beans generator." << endl; - } - } - } - - // check that fields of type enum have valid values - indent(out) << "// check that fields of type enum have valid values" << endl; - for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { - t_field* field = (*f_iter); - t_type* type = field->get_type(); - // if field is an enum, check that its value is valid - if (type->is_enum()) { - string field_name = get_member_name(field->get_name()); - indent(out) << "if (" << generate_isset_check(field) << " && !" << get_ttype_class_name(type) - << ".VALID_VALUES.contains(" << field_name << "))"; - scope_up(out); - indent(out) << "throw new TProtocolError(TProtocolErrorType.UNKNOWN, \"The field '" - << field_name << "' has been assigned the invalid value " - << "$" << field_name << "\");" << endl; - scope_down(out); - } - } - - scope_down(out, endl2); -} - -/** - * Generates a function to write all the fields of the struct - * - * @param tstruct The struct definition - */ -void t_dart_generator::generate_dart_struct_writer(ostream& out, t_struct* tstruct) { - out << indent() << "write(TProtocol oprot)"; - scope_up(out); - - const vector& fields = tstruct->get_sorted_members(); - vector::const_iterator f_iter; - - // performs various checks (e.g. check that all required fields are set) - indent(out) << "validate();" << endl2; - - indent(out) << "oprot.writeStructBegin(_STRUCT_DESC);" << endl; - - for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { - string field_name = get_member_name((*f_iter)->get_name()); - bool could_be_unset = (*f_iter)->get_req() == t_field::T_OPTIONAL; - if (could_be_unset) { - indent(out) << "if (" << generate_isset_check(*f_iter) << ")"; - scope_up(out); - } - bool null_allowed = type_can_be_null((*f_iter)->get_type()); - if (null_allowed) { - indent(out) << "if (this." << field_name << " != null)"; - scope_up(out); - } - - indent(out) << "oprot.writeFieldBegin(_" << constant_name((*f_iter)->get_name()) - << "_FIELD_DESC);" << endl; - - // Write field contents - generate_serialize_field(out, *f_iter, "this."); - - // Write field closer - indent(out) << "oprot.writeFieldEnd();" << endl; - - if (null_allowed) { - scope_down(out); - } - if (could_be_unset) { - scope_down(out); - } - } - // Write the struct map - indent(out) << "oprot.writeFieldStop();" << endl << indent() << "oprot.writeStructEnd();" - << endl; - - scope_down(out, endl2); -} - -/** - * Generates a function to write all the fields of the struct, - * which is a function result. These fields are only written - * if they are set in the Isset array, and only one of them - * can be set at a time. - * - * @param tstruct The struct definition - */ -void t_dart_generator::generate_dart_struct_result_writer(ostream& out, t_struct* tstruct) { - indent(out) << "write(TProtocol oprot)"; - scope_up(out); - - const vector& fields = tstruct->get_sorted_members(); - vector::const_iterator f_iter; - - indent(out) << "oprot.writeStructBegin(_STRUCT_DESC);" << endl2; - - bool first = true; - for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { - if (first) { - first = false; - indent(out) << "if "; - } else { - out << " else if "; - } - - out << "(this." << generate_isset_check(*f_iter) << ")"; - scope_up(out); - - indent(out) << "oprot.writeFieldBegin(_" << constant_name((*f_iter)->get_name()) - << "_FIELD_DESC);" << endl; - - // Write field contents - generate_serialize_field(out, *f_iter, "this."); - - // Write field closer - indent(out) << "oprot.writeFieldEnd();" << endl; - - scope_down(out, ""); - } - out << endl; - - // Write the struct map - indent(out) << "oprot.writeFieldStop();" << endl << indent() - << "oprot.writeStructEnd();" << endl; - - scope_down(out, endl2); -} - -void t_dart_generator::generate_generic_field_getters(std::ostream& out, - t_struct* tstruct) { - // create the getter - indent(out) << "getFieldValue(int fieldID)"; - scope_up(out); - - indent(out) << "switch (fieldID)"; - scope_up(out); - - const vector& fields = tstruct->get_members(); - vector::const_iterator f_iter; - for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { - t_field* field = *f_iter; - std::string field_name = get_member_name(field->get_name()); - - indent(out) << "case " << upcase_string(field_name) << ":" << endl; - indent_up(); - indent(out) << "return this." << field_name << ";" << endl; - indent_down(); - } - - indent(out) << "default:" << endl; - indent_up(); - indent(out) << "throw new ArgumentError(\"Field $fieldID doesn't exist!\");" << endl; - indent_down(); - - scope_down(out); // switch - scope_down(out, endl2); // method -} - -void t_dart_generator::generate_generic_field_setters(std::ostream& out, - t_struct* tstruct) { - - // create the setter - indent(out) << "setFieldValue(int fieldID, Object value)"; - scope_up(out); - - indent(out) << "switch (fieldID)"; - scope_up(out); - - // build up the bodies of both the getter and setter at once - const vector& fields = tstruct->get_members(); - vector::const_iterator f_iter; - for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { - t_field* field = *f_iter; - std::string field_name = get_member_name(field->get_name()); - - indent(out) << "case " << upcase_string(field_name) << ":" << endl; - indent_up(); - - indent(out) << "if (value == null)"; - scope_up(out); - indent(out) << "unset" << get_cap_name(field_name) << "();" << endl; - - scope_down(out, " else"); - scope_up(out); - indent(out) << "this." << field_name << " = value;" << endl; - scope_down(out); - - indent(out) << "break;" << endl; - - indent_down(); - out << endl; - } - - indent(out) << "default:" << endl; - indent_up(); - indent(out) << "throw new ArgumentError(\"Field $fieldID doesn't exist!\");" << endl; - indent_down(); - - scope_down(out); // switch - scope_down(out, endl2); // method -} - -// Creates a generic isSet method that takes the field number as argument -void t_dart_generator::generate_generic_isset_method(std::ostream& out, t_struct* tstruct) { - const vector& fields = tstruct->get_members(); - vector::const_iterator f_iter; - - // create the isSet method - indent(out) << "// Returns true if field corresponding to fieldID is set (has been assigned a " - "value) and false otherwise" << endl; - indent(out) << "bool isSet(int fieldID)"; - scope_up(out); - - indent(out) << "switch (fieldID)"; - scope_up(out); - - for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { - t_field* field = *f_iter; - indent(out) << "case " << upcase_string(field->get_name()) << ":" << endl; - indent_up(); - indent(out) << "return " << generate_isset_check(field) << ";" << endl; - indent_down(); - } - - indent(out) << "default:" << endl; - indent_up(); - indent(out) << "throw new ArgumentError(\"Field $fieldID doesn't exist!\");" << endl; - indent_down(); - - scope_down(out); // switch - scope_down(out, endl2); // method -} - -/** - * Generates a set of Dart Bean boilerplate functions (setters, getters, etc.) - * for the given struct. - * - * @param tstruct The struct definition - */ -void t_dart_generator::generate_dart_bean_boilerplate(ostream& out, - t_struct* tstruct) { - const vector& fields = tstruct->get_members(); - vector::const_iterator f_iter; - for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { - t_field* field = *f_iter; - t_type* type = get_true_type(field->get_type()); - std::string field_name = get_member_name(field->get_name()); - std::string cap_name = get_cap_name(field_name); - - indent(out) << "// " << field_name << endl; - - // Simple getter - generate_dart_doc(out, field); - indent(out) << type_name(type) << " get " << field_name << " => this._" << field_name << ";" << endl2; - - // Simple setter - generate_dart_doc(out, field); - indent(out) << "set " << field_name << "(" << type_name(type) << " " << field_name << ")"; - scope_up(out); - indent(out) << "this._" << field_name << " = " << field_name << ";" << endl; - generate_isset_set(out, field); - scope_down(out, endl2); - - // isSet method - indent(out) << "bool is" << get_cap_name("set") << cap_name << "()"; - if (type_can_be_null(type)) { - out << " => this." << field_name << " != null;" << endl2; - } else { - out << " => this.__isset_" << field_name << ";" << endl2; - } - - // Unsetter - indent(out) << "unset" << cap_name << "()"; - scope_up(out); - if (type_can_be_null(type)) { - indent(out) << "this." << field_name << " = null;" << endl; - } else { - indent(out) << "this.__isset_" << field_name << " = false;" << endl; - } - scope_down(out, endl2); - } -} - -/** - * Generates a toString() method for the given struct - * - * @param tstruct The struct definition - */ -void t_dart_generator::generate_dart_struct_tostring(ostream& out, - t_struct* tstruct) { - indent(out) << "String toString()"; - scope_up(out); - - indent(out) << "StringBuffer ret = new StringBuffer(\"" - << tstruct->get_name() << "(\");" << endl2; - - const vector& fields = tstruct->get_members(); - vector::const_iterator f_iter; - - bool first = true; - for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { - bool could_be_unset = (*f_iter)->get_req() == t_field::T_OPTIONAL; - if (could_be_unset) { - indent(out) << "if (" << generate_isset_check(*f_iter) << ")"; - scope_up(out); - } - - t_field* field = (*f_iter); - std::string field_name = get_member_name(field->get_name()); - - if (!first) { - indent(out) << "ret.write(\", \");" << endl; - } - indent(out) << "ret.write(\"" << field_name << ":\");" << endl; - bool can_be_null = type_can_be_null(field->get_type()); - if (can_be_null) { - indent(out) << "if (this." << field_name << " == null)"; - scope_up(out); - indent(out) << "ret.write(\"null\");" << endl; - scope_down(out, " else"); - scope_up(out); - } - - if (field->get_type()->is_binary()) { - indent(out) << "ret.write(\"BINARY\");" << endl; - } else if (field->get_type()->is_enum()) { - indent(out) << "String " << field_name << "_name = " - << get_ttype_class_name(field->get_type()) - << ".VALUES_TO_NAMES[this." << field_name << "];" << endl; - indent(out) << "if (" << field_name << "_name != null)"; - scope_up(out); - indent(out) << "ret.write(" << field_name << "_name);" << endl; - indent(out) << "ret.write(\" (\");" << endl; - scope_down(out); - indent(out) << "ret.write(this." << field_name << ");" << endl; - indent(out) << "if (" << field_name << "_name != null)"; - scope_up(out); - indent(out) << "ret.write(\")\");" << endl; - scope_down(out); - } else { - indent(out) << "ret.write(this." << field_name << ");" << endl; - } - - if (can_be_null) { - scope_down(out); - } - if (could_be_unset) { - scope_down(out); - } - - out << endl; - first = false; - } - - indent(out) << "ret.write(\")\");" << endl2; - - indent(out) << "return ret.toString();" << endl; - - scope_down(out, endl2); -} - -/** - * Returns a string with the dart representation of the given thrift type - * (e.g. for the type struct it returns "TType.STRUCT") - */ -std::string t_dart_generator::get_dart_type_string(t_type* type) { - if (type->is_list()) { - return "TType.LIST"; - } else if (type->is_map()) { - return "TType.MAP"; - } else if (type->is_set()) { - return "TType.SET"; - } else if (type->is_struct() || type->is_xception()) { - return "TType.STRUCT"; - } else if (type->is_enum()) { - return "TType.I32"; - } else if (type->is_typedef()) { - return get_dart_type_string(((t_typedef*)type)->get_type()); - } else if (type->is_base_type()) { - switch (((t_base_type*)type)->get_base()) { - case t_base_type::TYPE_VOID: - return "TType.VOID"; - break; - case t_base_type::TYPE_STRING: - return "TType.STRING"; - break; - case t_base_type::TYPE_BOOL: - return "TType.BOOL"; - break; - case t_base_type::TYPE_I8: - return "TType.BYTE"; - break; - case t_base_type::TYPE_I16: - return "TType.I16"; - break; - case t_base_type::TYPE_I32: - return "TType.I32"; - break; - case t_base_type::TYPE_I64: - return "TType.I64"; - break; - case t_base_type::TYPE_DOUBLE: - return "TType.DOUBLE"; - break; - default: - throw std::runtime_error("Unknown thrift type \"" + type->get_name() - + "\" passed to t_dart_generator::get_dart_type_string!"); - break; // This should never happen! - } - } else { - throw std::runtime_error( - "Unknown thrift type \"" + type->get_name() - + "\" passed to t_dart_generator::get_dart_type_string!"); // This should never happen! - } -} - -void t_dart_generator::generate_service(t_service* tservice) { - string file_name = get_file_name(service_name_); - string f_service_name = src_dir_ + "/" + file_name + ".dart"; - f_service_.open(f_service_name.c_str()); - - f_service_ << autogen_comment() << dart_library(file_name) << endl; - f_service_ << service_imports() << dart_thrift_imports() << endl; - f_service_ << endl; - - generate_service_interface(tservice); - generate_service_client(tservice); - generate_service_server(tservice); - generate_service_helpers(tservice); - - f_service_.close(); -} - -/** - * Generates a service interface definition. - * - * @param tservice The service to generate a header definition for - */ -void t_dart_generator::generate_service_interface(t_service* tservice) { - string extends_iface = ""; - if (tservice->get_extends() != NULL) { - extends_iface = " extends " + get_ttype_class_name(tservice->get_extends()); - } - - generate_dart_doc(f_service_, tservice); - - string class_name = service_name_; - export_class_to_library(get_file_name(service_name_), class_name); - indent(f_service_) << "abstract class " << class_name << extends_iface; - scope_up(f_service_); - - vector functions = tservice->get_functions(); - vector::iterator f_iter; - for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) { - f_service_ << endl; - generate_dart_doc(f_service_, *f_iter); - indent(f_service_) << function_signature(*f_iter) << ";" << endl; - } - - scope_down(f_service_, endl2); -} - -/** - * Generates structs for all the service args and return types - * - * @param tservice The service - */ -void t_dart_generator::generate_service_helpers(t_service* tservice) { - vector functions = tservice->get_functions(); - vector::iterator f_iter; - for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) { - t_struct* ts = (*f_iter)->get_arglist(); - generate_dart_struct_definition(f_service_, ts, false, false); - generate_function_helpers(*f_iter); - } -} - -/** - * Generates a service client definition. - * - * @param tservice The service to generate a server for. - */ -void t_dart_generator::generate_service_client(t_service* tservice) { - string extends = ""; - string extends_client = ""; - if (tservice->get_extends() != NULL) { - extends = get_ttype_class_name(tservice->get_extends()); - extends_client = " extends " + extends + "Client"; - } - - string class_name = service_name_ + "Client"; - export_class_to_library(get_file_name(service_name_), class_name); - indent(f_service_) << "class " << class_name << extends_client - << " implements " << service_name_; - scope_up(f_service_); - f_service_ << endl; - - indent(f_service_) << class_name << "(TProtocol iprot, [TProtocol oprot = null])"; - - if (!extends.empty()) { - indent_up(); - f_service_ << endl; - indent(f_service_) << ": super(iprot, oprot);" << endl; - indent_down(); - } else { - scope_up(f_service_); - indent(f_service_) << "_iprot = iprot;" << endl; - indent(f_service_) << "_oprot = (oprot == null) ? iprot : oprot;" << endl; - scope_down(f_service_); - } - f_service_ << endl; - - if (extends.empty()) { - indent(f_service_) << "TProtocol _iprot;" << endl2; - indent(f_service_) << "TProtocol get iprot => _iprot;" << endl2; - indent(f_service_) << "TProtocol _oprot;" << endl2; - indent(f_service_) << "TProtocol get oprot => _oprot;" << endl2; - indent(f_service_) << "int _seqid = 0;" << endl2; - indent(f_service_) << "int get seqid => _seqid;" << endl2; - indent(f_service_) << "int nextSeqid() => ++_seqid;" << endl2; - } - - // Generate client method implementations - vector functions = tservice->get_functions(); - vector::const_iterator f_iter; - for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) { - // Open function - indent(f_service_) << function_signature(*f_iter) << " async"; - scope_up(f_service_); - - // Get the struct of function call params - t_struct* arg_struct = (*f_iter)->get_arglist(); - - string argsname = get_args_class_name((*f_iter)->get_name()); - vector::const_iterator fld_iter; - const vector& fields = arg_struct->get_members(); - - // Serialize the request - indent(f_service_) << "oprot.writeMessageBegin(new TMessage(\"" << (*f_iter)->get_name() << "\", " - << ((*f_iter)->is_oneway() ? "TMessageType.ONEWAY" : "TMessageType.CALL") - << ", nextSeqid()));" << endl; - indent(f_service_) << argsname << " args = new " << argsname << "();" << endl; - - for (fld_iter = fields.begin(); fld_iter != fields.end(); ++fld_iter) { - string arg_field_name = get_member_name((*fld_iter)->get_name()); - indent(f_service_) << "args." << arg_field_name << " = " - << arg_field_name << ";" << endl; - } - - indent(f_service_) << "args.write(oprot);" << endl; - indent(f_service_) << "oprot.writeMessageEnd();" << endl2; - - indent(f_service_) << "await oprot.transport.flush();" << endl2; - - if (!(*f_iter)->is_oneway()) { - indent(f_service_) << "TMessage msg = iprot.readMessageBegin();" << endl; - indent(f_service_) << "if (msg.type == TMessageType.EXCEPTION)"; - scope_up(f_service_); - indent(f_service_) << "TApplicationError error = TApplicationError.read(iprot);" << endl; - indent(f_service_) << "iprot.readMessageEnd();" << endl; - indent(f_service_) << "throw error;" << endl; - scope_down(f_service_, endl2); - - string result_class = get_result_class_name((*f_iter)->get_name()); - indent(f_service_) << result_class << " result = new " << result_class << "();" << endl; - indent(f_service_) << "result.read(iprot);" << endl; - indent(f_service_) << "iprot.readMessageEnd();" << endl; - - // Careful, only return _result if not a void function - if (!(*f_iter)->get_returntype()->is_void()) { - indent(f_service_) << "if (result." << generate_isset_check("success") << ")"; - scope_up(f_service_); - indent(f_service_) << "return result.success;" << endl; - scope_down(f_service_, endl2); - } - - t_struct* xs = (*f_iter)->get_xceptions(); - const std::vector& xceptions = xs->get_members(); - vector::const_iterator x_iter; - for (x_iter = xceptions.begin(); x_iter != xceptions.end(); ++x_iter) { - string result_field_name = get_member_name((*x_iter)->get_name()); - indent(f_service_) << "if (result." << result_field_name << " != null)"; - scope_up(f_service_); - indent(f_service_) << "throw result." << result_field_name << ";" << endl; - scope_down(f_service_); - } - - // If you get here it's an exception, unless a void function - if ((*f_iter)->get_returntype()->is_void()) { - indent(f_service_) << "return;" << endl; - } else { - indent(f_service_) << "throw new TApplicationError(TApplicationErrorType.MISSING_RESULT, \"" - << (*f_iter)->get_name() << " failed: unknown result\");" << endl; - } - } - - scope_down(f_service_, endl2); - } - - scope_down(f_service_, endl2); -} - -/** - * Generates a service server definition. - * - * @param tservice The service to generate a server for. - */ -void t_dart_generator::generate_service_server(t_service* tservice) { - // Generate the dispatch methods - vector functions = tservice->get_functions(); - vector::iterator f_iter; - - // typedef - indent(f_service_) << "typedef void ProcessFunction(int seqid, TProtocol iprot, TProtocol oprot);" << endl2; - - // Extends stuff - string extends = ""; - string extends_processor = ""; - if (tservice->get_extends() != NULL) { - extends = get_ttype_class_name(tservice->get_extends()); - extends_processor = " extends " + extends + "Processor"; - } - - // Generate the header portion - string class_name = service_name_ + "Processor"; - export_class_to_library(get_file_name(service_name_), class_name); - indent(f_service_) << "class " << class_name << extends_processor << " implements TProcessor"; - scope_up(f_service_); - - indent(f_service_) << class_name << "(" << service_name_ << " iface)"; - if (!extends.empty()) { - indent_up(); - f_service_ << endl; - indent(f_service_) << ": super(iface)"; - indent_down(); - } - scope_up(f_service_); - - if (extends.empty()) { - indent(f_service_) << "iface_ = iface;" << endl; - } - - for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) { - indent(f_service_) << "PROCESS_MAP[\"" << (*f_iter)->get_name() - << "\"] = " << get_member_name((*f_iter)->get_name()) << ";" << endl; - } - scope_down(f_service_, endl2); - - indent(f_service_) << service_name_ << " iface_;" << endl; - - if (extends.empty()) { - indent(f_service_) << "final Map PROCESS_MAP = {};" << endl; - } - - f_service_ << endl; - - // Generate the server implementation - indent(f_service_) << "bool process(TProtocol iprot, TProtocol oprot)"; - scope_up(f_service_); - indent(f_service_) << "TMessage msg = iprot.readMessageBegin();" << endl; - indent(f_service_) << "ProcessFunction fn = PROCESS_MAP[msg.name];" << endl; - indent(f_service_) << "if (fn == null)"; - scope_up(f_service_); - indent(f_service_) << "TProtocolUtil.skip(iprot, TType.STRUCT);" << endl; - indent(f_service_) << "iprot.readMessageEnd();" << endl; - indent(f_service_) << "TApplicationError x = new TApplicationError(TApplicationErrorType.UNKNOWN_METHOD, " - "\"Invalid method name: '\"+msg.name+\"'\");" << endl; - indent(f_service_) << "oprot.writeMessageBegin(new TMessage(msg.name, TMessageType.EXCEPTION, msg.seqid));" << endl; - indent(f_service_) << "x.write(oprot);" << endl; - indent(f_service_) << "oprot.writeMessageEnd();" << endl; - indent(f_service_) << "oprot.transport.flush();" << endl; - indent(f_service_) << "return true;" << endl; - scope_down(f_service_); - indent(f_service_) << "fn(msg.seqid, iprot, oprot);" << endl; - indent(f_service_) << "return true;" << endl; - scope_down(f_service_, endl2); // process function - - // Generate the process subfunctions - for (f_iter = functions.begin(); f_iter != functions.end(); ++f_iter) { - generate_process_function(tservice, *f_iter); - } - - scope_down(f_service_, endl2); // class -} - -/** - * Generates a struct and helpers for a function. - * - * @param tfunction The function - */ -void t_dart_generator::generate_function_helpers(t_function* tfunction) { - if (tfunction->is_oneway()) { - return; - } - - t_struct result(program_, get_result_class_name(tfunction->get_name())); - t_field success(tfunction->get_returntype(), "success", 0); - if (!tfunction->get_returntype()->is_void()) { - result.append(&success); - } - - t_struct* xs = tfunction->get_xceptions(); - const vector& fields = xs->get_members(); - vector::const_iterator f_iter; - for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { - result.append(*f_iter); - } - - generate_dart_struct_definition(f_service_, &result, false, true); -} - -/** - * Generates a process function definition. - * - * @param tfunction The function to write a dispatcher for - */ -void t_dart_generator::generate_process_function(t_service* tservice, t_function* tfunction) { - (void)tservice; - - bool await_result = (!tfunction->is_oneway() && !tfunction->get_returntype()->is_void()); - - indent(f_service_) << get_member_name(tfunction->get_name()) << "(int seqid, TProtocol iprot, TProtocol oprot)"; - if (await_result) { - f_service_ << " async"; - } - scope_up(f_service_); - - string argsname = get_args_class_name(tfunction->get_name()); - string resultname = get_result_class_name(tfunction->get_name()); - - indent(f_service_) << argsname << " args = new " << argsname << "();" << endl; - indent(f_service_) << "args.read(iprot);" << endl; - indent(f_service_) << "iprot.readMessageEnd();" << endl; - - t_struct* xs = tfunction->get_xceptions(); - const std::vector& xceptions = xs->get_members(); - vector::const_iterator x_iter; - - if (!tfunction->is_oneway()) { - indent(f_service_) << resultname << " result = new " << resultname << "();" << endl; - } - - if (!tfunction->is_oneway() && xceptions.size() > 0) { - indent(f_service_) << "try"; - scope_up(f_service_); - } - - // Generate the function call - t_struct* arg_struct = tfunction->get_arglist(); - const std::vector& fields = arg_struct->get_members(); - vector::const_iterator f_iter; - - f_service_ << indent(); - if (await_result) { - f_service_ << "result.success = await "; - } - f_service_ << "iface_." << get_member_name(tfunction->get_name()) << "("; - bool first = true; - for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { - if (first) { - first = false; - } else { - f_service_ << ", "; - } - f_service_ << "args." << get_member_name((*f_iter)->get_name()); - } - f_service_ << ");" << endl; - - if (!tfunction->is_oneway() && xceptions.size() > 0) { - for (x_iter = xceptions.begin(); x_iter != xceptions.end(); ++x_iter) { - string result_field_name = get_member_name((*x_iter)->get_name()); - scope_down(f_service_, ""); - f_service_ << " on " << type_name((*x_iter)->get_type()) - << " catch(" << result_field_name << ")"; - scope_up(f_service_); - if (!tfunction->is_oneway()) { - indent(f_service_) << "result." << result_field_name << " = " - << result_field_name << ";" << endl; - } - } - scope_down(f_service_, " "); - f_service_ << "catch (th)"; - scope_up(f_service_); - indent(f_service_) << "// Internal error" << endl; - indent(f_service_) << "TApplicationError x = new " - "TApplicationError(TApplicationErrorType.INTERNAL_ERROR, \"Internal error processing " - << tfunction->get_name() << "\");" << endl; - indent(f_service_) << "oprot.writeMessageBegin(new TMessage(\"" << tfunction->get_name() - << "\", TMessageType.EXCEPTION, seqid));" << endl; - indent(f_service_) << "x.write(oprot);" << endl; - indent(f_service_) << "oprot.writeMessageEnd();" << endl; - indent(f_service_) << "oprot.transport.flush();" << endl; - indent(f_service_) << "return;" << endl; - scope_down(f_service_); - } - - if (tfunction->is_oneway()) { - indent(f_service_) << "return;" << endl; - } else { - indent(f_service_) << "oprot.writeMessageBegin(new TMessage(\"" << tfunction->get_name() - << "\", TMessageType.REPLY, seqid));" << endl; - indent(f_service_) << "result.write(oprot);" << endl; - indent(f_service_) << "oprot.writeMessageEnd();" << endl; - indent(f_service_) << "oprot.transport.flush();" << endl; - } - - scope_down(f_service_, endl2); -} - -/** - * Deserializes a field of any type. - * - * @param tfield The field - * @param prefix The variable name or container for this field - */ -void t_dart_generator::generate_deserialize_field(ostream& out, t_field* tfield, string prefix) { - t_type* type = get_true_type(tfield->get_type()); - string field_name = get_member_name(tfield->get_name()); - - if (type->is_void()) { - throw "CANNOT GENERATE DESERIALIZE CODE FOR void TYPE: " + prefix + field_name; - } - - string name = prefix + field_name; - - if (type->is_struct() || type->is_xception()) { - generate_deserialize_struct(out, (t_struct*)type, name); - } else if (type->is_container()) { - generate_deserialize_container(out, type, name); - } else if (type->is_base_type() || type->is_enum()) { - - indent(out) << name << " = iprot."; - - if (type->is_base_type()) { - t_base_type::t_base tbase = ((t_base_type*)type)->get_base(); - switch (tbase) { - case t_base_type::TYPE_VOID: - throw "compiler error: cannot serialize void field in a struct: " + name; - break; - case t_base_type::TYPE_STRING: - if (type->is_binary()) { - out << "readBinary();"; - } else { - out << "readString();"; - } - break; - case t_base_type::TYPE_BOOL: - out << "readBool();"; - break; - case t_base_type::TYPE_I8: - out << "readByte();"; - break; - case t_base_type::TYPE_I16: - out << "readI16();"; - break; - case t_base_type::TYPE_I32: - out << "readI32();"; - break; - case t_base_type::TYPE_I64: - out << "readI64();"; - break; - case t_base_type::TYPE_DOUBLE: - out << "readDouble();"; - break; - default: - throw "compiler error: no Dart name for base type " + t_base_type::t_base_name(tbase); - } - } else if (type->is_enum()) { - out << "readI32();"; - } - out << endl; - } else { - printf("DO NOT KNOW HOW TO DESERIALIZE FIELD '%s' TYPE '%s'\n", - field_name.c_str(), - type_name(type).c_str()); - } -} - -/** - * Generates an unserializer for a struct, invokes read() - */ -void t_dart_generator::generate_deserialize_struct(ostream& out, t_struct* tstruct, string prefix) { - indent(out) << prefix << " = new " << type_name(tstruct) << "();" << endl; - indent(out) << prefix << ".read(iprot);" << endl; -} - -/** - * Deserializes a container by reading its size and then iterating - */ -void t_dart_generator::generate_deserialize_container(ostream& out, t_type* ttype, string prefix) { - indent(out); - scope_up(out, ""); - - string obj; - - if (ttype->is_map()) { - obj = tmp("_map"); - } else if (ttype->is_set()) { - obj = tmp("_set"); - } else if (ttype->is_list()) { - obj = tmp("_list"); - } - - // Declare variables, read header - if (ttype->is_map()) { - indent(out) << "TMap " << obj << " = iprot.readMapBegin();" << endl; - } else if (ttype->is_set()) { - indent(out) << "TSet " << obj << " = iprot.readSetBegin();" << endl; - } else if (ttype->is_list()) { - indent(out) << "TList " << obj << " = iprot.readListBegin();" << endl; - } - - indent(out) << prefix << " = new " << type_name(ttype) << "();" << endl; - - // For loop iterates over elements - string i = tmp("_i"); - indent(out) << "for (int " << i << " = 0; " << i << " < " << obj << ".length" - << "; " - << "++" << i << ")"; - scope_up(out); - - if (ttype->is_map()) { - generate_deserialize_map_element(out, (t_map*)ttype, prefix); - } else if (ttype->is_set()) { - generate_deserialize_set_element(out, (t_set*)ttype, prefix); - } else if (ttype->is_list()) { - generate_deserialize_list_element(out, (t_list*)ttype, prefix); - } - - scope_down(out); - - // Read container end - if (ttype->is_map()) { - indent(out) << "iprot.readMapEnd();" << endl; - } else if (ttype->is_set()) { - indent(out) << "iprot.readSetEnd();" << endl; - } else if (ttype->is_list()) { - indent(out) << "iprot.readListEnd();" << endl; - } - - scope_down(out); -} - -/** - * Generates code to deserialize a map - */ -void t_dart_generator::generate_deserialize_map_element(ostream& out, t_map* tmap, string prefix) { - string key = tmp("_key"); - string val = tmp("_val"); - t_field fkey(tmap->get_key_type(), key); - t_field fval(tmap->get_val_type(), val); - - indent(out) << declare_field(&fkey) << endl; - indent(out) << declare_field(&fval) << endl; - - generate_deserialize_field(out, &fkey); - generate_deserialize_field(out, &fval); - - indent(out) << prefix << "[" << key << "] = " << val << ";" << endl; -} - -/** - * Deserializes a set element - */ -void t_dart_generator::generate_deserialize_set_element(ostream& out, t_set* tset, string prefix) { - string elem = tmp("_elem"); - t_field felem(tset->get_elem_type(), elem); - - indent(out) << declare_field(&felem) << endl; - - generate_deserialize_field(out, &felem); - - indent(out) << prefix << ".add(" << elem << ");" << endl; -} - -/** - * Deserializes a list element - */ -void t_dart_generator::generate_deserialize_list_element(ostream& out, - t_list* tlist, - string prefix) { - string elem = tmp("_elem"); - t_field felem(tlist->get_elem_type(), elem); - - indent(out) << declare_field(&felem) << endl; - - generate_deserialize_field(out, &felem); - - indent(out) << prefix << ".add(" << elem << ");" << endl; -} - -/** - * Serializes a field of any type. - * - * @param tfield The field to serialize - * @param prefix Name to prepend to field name - */ -void t_dart_generator::generate_serialize_field(ostream& out, t_field* tfield, string prefix) { - t_type* type = get_true_type(tfield->get_type()); - string field_name = get_member_name(tfield->get_name()); - - // Do nothing for void types - if (type->is_void()) { - throw "CANNOT GENERATE SERIALIZE CODE FOR void TYPE: " + prefix + field_name; - } - - if (type->is_struct() || type->is_xception()) { - generate_serialize_struct(out, (t_struct*)type, prefix + field_name); - } else if (type->is_container()) { - generate_serialize_container(out, type, prefix + field_name); - } else if (type->is_base_type() || type->is_enum()) { - - string name = prefix + field_name; - indent(out) << "oprot."; - - if (type->is_base_type()) { - t_base_type::t_base tbase = ((t_base_type*)type)->get_base(); - switch (tbase) { - case t_base_type::TYPE_VOID: - throw "compiler error: cannot serialize void field in a struct: " + name; - break; - case t_base_type::TYPE_STRING: - if (type->is_binary()) { - out << "writeBinary(" << name << ");"; - } else { - out << "writeString(" << name << ");"; - } - break; - case t_base_type::TYPE_BOOL: - out << "writeBool(" << name << ");"; - break; - case t_base_type::TYPE_I8: - out << "writeByte(" << name << ");"; - break; - case t_base_type::TYPE_I16: - out << "writeI16(" << name << ");"; - break; - case t_base_type::TYPE_I32: - out << "writeI32(" << name << ");"; - break; - case t_base_type::TYPE_I64: - out << "writeI64(" << name << ");"; - break; - case t_base_type::TYPE_DOUBLE: - out << "writeDouble(" << name << ");"; - break; - default: - throw "compiler error: no Dart name for base type " + t_base_type::t_base_name(tbase); - } - } else if (type->is_enum()) { - out << "writeI32(" << name << ");"; - } - out << endl; - } else { - printf("DO NOT KNOW HOW TO SERIALIZE FIELD '%s%s' TYPE '%s'\n", - prefix.c_str(), - field_name.c_str(), - type_name(type).c_str()); - } -} - -/** - * Serializes all the members of a struct. - * - * @param tstruct The struct to serialize - * @param prefix String prefix to attach to all fields - */ -void t_dart_generator::generate_serialize_struct(ostream& out, t_struct* tstruct, string prefix) { - (void)tstruct; - indent(out) << prefix << ".write(oprot);" << endl; -} - -/** - * Serializes a container by writing its size then the elements. - * - * @param ttype The type of container - * @param prefix String prefix for fields - */ -void t_dart_generator::generate_serialize_container(ostream& out, t_type* ttype, string prefix) { - indent(out); - scope_up(out, ""); - - if (ttype->is_map()) { - string iter = tmp("_key"); - indent(out) << "oprot.writeMapBegin(new TMap(" << type_to_enum(((t_map*)ttype)->get_key_type()) - << ", " << type_to_enum(((t_map*)ttype)->get_val_type()) << ", " << prefix << ".length));" - << endl; - } else if (ttype->is_set()) { - indent(out) << "oprot.writeSetBegin(new TSet(" << type_to_enum(((t_set*)ttype)->get_elem_type()) - << ", " << prefix << ".length));" << endl; - } else if (ttype->is_list()) { - indent(out) << "oprot.writeListBegin(new TList(" - << type_to_enum(((t_list*)ttype)->get_elem_type()) << ", " << prefix << ".length));" - << endl; - } - - string iter = tmp("elem"); - if (ttype->is_map()) { - indent(out) << "for (var " << iter << " in " << prefix << ".keys)"; - } else if (ttype->is_set() || ttype->is_list()) { - indent(out) << "for (var " << iter << " in " << prefix << ")"; - } - - scope_up(out); - - if (ttype->is_map()) { - generate_serialize_map_element(out, (t_map*)ttype, iter, prefix); - } else if (ttype->is_set()) { - generate_serialize_set_element(out, (t_set*)ttype, iter); - } else if (ttype->is_list()) { - generate_serialize_list_element(out, (t_list*)ttype, iter); - } - - scope_down(out); - - if (ttype->is_map()) { - indent(out) << "oprot.writeMapEnd();" << endl; - } else if (ttype->is_set()) { - indent(out) << "oprot.writeSetEnd();" << endl; - } else if (ttype->is_list()) { - indent(out) << "oprot.writeListEnd();" << endl; - } - - scope_down(out); -} - -/** - * Serializes the members of a map. - */ -void t_dart_generator::generate_serialize_map_element(ostream& out, - t_map* tmap, - string iter, - string map) { - t_field kfield(tmap->get_key_type(), iter); - generate_serialize_field(out, &kfield, ""); - t_field vfield(tmap->get_val_type(), map + "[" + iter + "]"); - generate_serialize_field(out, &vfield, ""); -} - -/** - * Serializes the members of a set. - */ -void t_dart_generator::generate_serialize_set_element(ostream& out, t_set* tset, string iter) { - t_field efield(tset->get_elem_type(), iter); - generate_serialize_field(out, &efield, ""); -} - -/** - * Serializes the members of a list. - */ -void t_dart_generator::generate_serialize_list_element(ostream& out, t_list* tlist, string iter) { - t_field efield(tlist->get_elem_type(), iter); - generate_serialize_field(out, &efield, ""); -} - -/** - * Returns a Dart type name - * - * @param ttype The type - * @return Dart type name, i.e. Map - */ -string t_dart_generator::type_name(t_type* ttype) { - ttype = get_true_type(ttype); - - if (ttype->is_base_type()) { - return base_type_name((t_base_type*)ttype); - } else if (ttype->is_enum()) { - return "int"; - } else if (ttype->is_map()) { - t_map* tmap = (t_map*)ttype; - return "Map<" + type_name(tmap->get_key_type()) + ", " - + type_name(tmap->get_val_type()) + ">"; - } else if (ttype->is_set()) { - t_set* tset = (t_set*)ttype; - return "Set<" + type_name(tset->get_elem_type()) + ">"; - } else if (ttype->is_list()) { - t_list* tlist = (t_list*)ttype; - return "List<" + type_name(tlist->get_elem_type()) + ">"; - } - - return get_ttype_class_name(ttype); -} - -/** - * Returns the Dart type that corresponds to the thrift type. - * - * @param tbase The base type - */ -string t_dart_generator::base_type_name(t_base_type* type) { - t_base_type::t_base tbase = type->get_base(); - - switch (tbase) { - case t_base_type::TYPE_VOID: - return "void"; - case t_base_type::TYPE_STRING: - if (type->is_binary()) { - return "Uint8List"; - } else { - return "String"; - } - case t_base_type::TYPE_BOOL: - return "bool"; - case t_base_type::TYPE_I8: - case t_base_type::TYPE_I16: - case t_base_type::TYPE_I32: - case t_base_type::TYPE_I64: - return "int"; - case t_base_type::TYPE_DOUBLE: - return "double"; - default: - throw "compiler error: no Dart name for base type " + t_base_type::t_base_name(tbase); - } -} - -/** - * Declares a field, which may include initialization as necessary. - * - * @param ttype The type - */ -string t_dart_generator::declare_field(t_field* tfield, bool init) { - string field_name = get_member_name(tfield->get_name()); - string result = type_name(tfield->get_type()) + " " + field_name; - if (init) { - t_type* ttype = get_true_type(tfield->get_type()); - if (ttype->is_base_type() && tfield->get_value() != NULL) { - std:: ofstream dummy; - result += " = " + render_const_value(dummy, field_name, ttype, tfield->get_value()); - } else if (ttype->is_base_type()) { - t_base_type::t_base tbase = ((t_base_type*)ttype)->get_base(); - switch (tbase) { - case t_base_type::TYPE_VOID: - throw "NO T_VOID CONSTRUCT"; - case t_base_type::TYPE_STRING: - result += " = null"; - break; - case t_base_type::TYPE_BOOL: - result += " = false"; - break; - case t_base_type::TYPE_I8: - case t_base_type::TYPE_I16: - case t_base_type::TYPE_I32: - case t_base_type::TYPE_I64: - result += " = 0"; - break; - case t_base_type::TYPE_DOUBLE: - result += " = 0.0"; - break; - } - - } else if (ttype->is_enum()) { - result += " = 0"; - } else if (ttype->is_container()) { - result += " = new " + type_name(ttype) + "()"; - } else { - result += " = new " + type_name(ttype) + "()"; - ; - } - } - return result + ";"; -} - -/** - * Renders a function signature of the form 'type name(args)' - * - * @param tfunction Function definition - * @return String of rendered function definition - */ -string t_dart_generator::function_signature(t_function* tfunction) { - std::string arguments = argument_list(tfunction->get_arglist()); - - std::string returntype; - if (tfunction->get_returntype()->is_void()) { - returntype = "Future"; - } else { - returntype = "Future<" + type_name(tfunction->get_returntype()) + ">"; - } - - std::string result = returntype + " " + get_member_name(tfunction->get_name()) + - "(" + arguments + ")"; - return result; -} - -/** - * Renders a comma separated field list, with type names - */ -string t_dart_generator::argument_list(t_struct* tstruct) { - string result = ""; - - const vector& fields = tstruct->get_members(); - vector::const_iterator f_iter; - bool first = true; - for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { - if (first) { - first = false; - } else { - result += ", "; - } - string field_name = get_member_name((*f_iter)->get_name()); - result += type_name((*f_iter)->get_type()) + " " + field_name; - } - return result; -} - -/** - * Converts the parse type to a C++ enum string for the given type. - */ -string t_dart_generator::type_to_enum(t_type* type) { - type = get_true_type(type); - - if (type->is_base_type()) { - t_base_type::t_base tbase = ((t_base_type*)type)->get_base(); - switch (tbase) { - case t_base_type::TYPE_VOID: - throw "NO T_VOID CONSTRUCT"; - case t_base_type::TYPE_STRING: - return "TType.STRING"; - case t_base_type::TYPE_BOOL: - return "TType.BOOL"; - case t_base_type::TYPE_I8: - return "TType.BYTE"; - case t_base_type::TYPE_I16: - return "TType.I16"; - case t_base_type::TYPE_I32: - return "TType.I32"; - case t_base_type::TYPE_I64: - return "TType.I64"; - case t_base_type::TYPE_DOUBLE: - return "TType.DOUBLE"; - } - } else if (type->is_enum()) { - return "TType.I32"; - } else if (type->is_struct() || type->is_xception()) { - return "TType.STRUCT"; - } else if (type->is_map()) { - return "TType.MAP"; - } else if (type->is_set()) { - return "TType.SET"; - } else if (type->is_list()) { - return "TType.LIST"; - } - - throw "INVALID TYPE IN type_to_enum: " + type->get_name(); -} - -std::string t_dart_generator::init_value(t_field* field) { - // Do not initialize optional fields - if (field->get_req() == t_field::T_OPTIONAL) { - return ""; - } - - t_type* ttype = field->get_type(); - - // Get the actual type for a typedef - if (ttype->is_typedef()) { - ttype = ((t_typedef*)ttype)->get_type(); - } - - // Only consider base types for default initialization - if (!ttype->is_base_type()) { - return ""; - } - t_base_type::t_base tbase = ((t_base_type*)ttype)->get_base(); - - // Initialize bools, ints, and doubles with sane defaults - string result; - switch (tbase) { - case t_base_type::TYPE_BOOL: - result = " = false"; - break; - case t_base_type::TYPE_I8: - case t_base_type::TYPE_I16: - case t_base_type::TYPE_I32: - case t_base_type::TYPE_I64: - result = " = 0"; - break; - case t_base_type::TYPE_DOUBLE: - result = " = 0.0"; - break; - case t_base_type::TYPE_VOID: - case t_base_type::TYPE_STRING: - result = ""; - break; - } - - return result; -} - -std::string t_dart_generator::get_cap_name(std::string name) { - name[0] = toupper(name[0]); - return name; -} - -std::string t_dart_generator::get_member_name(std::string name) { - name[0] = tolower(name[0]); - return name; -} - -std::string t_dart_generator::get_args_class_name(std::string name) { - return name + "_args"; -} - -std::string t_dart_generator::get_result_class_name(std::string name) { - return name + "_result"; -} - -std::string t_dart_generator::get_file_name(std::string name) { - // e.g. change APIForFileIO to api_for_file_io - - string ret; - const char* tmp = name.c_str(); - bool is_prev_lc = true; - bool is_current_lc = tmp[0] == tolower(tmp[0]); - bool is_next_lc = false; - - for (unsigned int i = 0; i < name.length(); i++) { - char lc = tolower(tmp[i]); - - if (i == name.length() - 1) { - is_next_lc = false; - } else { - is_next_lc = (tmp[i+1] == tolower(tmp[i+1])); - } - - if (i != 0 && !is_current_lc && (is_prev_lc || is_next_lc)) { - ret += "_"; - } - ret += lc; - - is_prev_lc = is_current_lc; - is_current_lc = is_next_lc; - } - - return ret; -} - -std::string t_dart_generator::get_constants_class_name(std::string name) { - // e.g. change my_great_model to MyGreatModelConstants - string ret; - const char* tmp = name.c_str(); - bool is_prev_underscore = true; - - for (unsigned int i = 0; i < name.length(); i++) { - if (tmp[i] == '_') { - is_prev_underscore = true; - } else { - if (is_prev_underscore) { - ret += toupper(tmp[i]); - } else { - ret += tmp[i]; - } - - is_prev_underscore = false; - } - } - - return ret + "Constants"; -} - -string t_dart_generator::constant_name(string name) { - string constant_name; - - bool is_first = true; - bool was_previous_char_upper = false; - for (char character : name) { - bool is_upper = isupper(character); - - if (is_upper && !is_first && !was_previous_char_upper) { - constant_name += '_'; - } - constant_name += toupper(character); - - is_first = false; - was_previous_char_upper = is_upper; - } - - return constant_name; -} - -/** - * Emits a doc comment if the provided object has a doc in Thrift - */ -void t_dart_generator::generate_dart_doc(ostream& out, t_doc* tdoc) { - if (tdoc->has_doc()) { - generate_docstring_comment(out, "", "/// ", tdoc->get_doc(), ""); - } -} - -/** - * Emits a doc comment if the provided function object has a doc in Thrift - */ -void t_dart_generator::generate_dart_doc(ostream& out, t_function* tfunction) { - if (tfunction->has_doc()) { - stringstream ss; - ss << tfunction->get_doc(); - const vector& fields = tfunction->get_arglist()->get_members(); - vector::const_iterator p_iter; - for (p_iter = fields.begin(); p_iter != fields.end(); ++p_iter) { - t_field* p = *p_iter; - string field_name = get_member_name(p->get_name()); - ss << "\n@param " << field_name; - if (p->has_doc()) { - ss << " " << p->get_doc(); - } - } - generate_docstring_comment(out, "", "/// ", ss.str(), ""); - } -} - -std::string t_dart_generator::generate_isset_check(t_field* field) { - string field_name = get_member_name(field->get_name()); - return generate_isset_check(field_name); -} - -std::string t_dart_generator::generate_isset_check(std::string field_name) { - return "is" + get_cap_name("set") + get_cap_name(field_name) + "()"; -} - -void t_dart_generator::generate_isset_set(ostream& out, t_field* field) { - if (!type_can_be_null(field->get_type())) { - string field_name = get_member_name(field->get_name()); - indent(out) << "this.__isset_" << field_name << " = true;" << endl; - } -} - -std::string t_dart_generator::get_ttype_class_name(t_type* ttype) { - if (program_ == ttype->get_program()) { - return ttype->get_name(); - } else { - string named_import = "t_" + find_library_name(ttype->get_program()); - return named_import + "." + ttype->get_name(); - } -} - -THRIFT_REGISTER_GENERATOR( - dart, - "Dart", - " library_name: Optional override for library name.\n" - " library_prefix: Generate code that can be used within an existing library.\n" - " Use a dot-separated string, e.g. \"my_parent_lib.src.gen\"\n" - " pubspec_lib: Optional override for thrift lib dependency in pubspec.yaml,\n" - " e.g. \"thrift: 0.x.x\". Use a pipe delimiter to separate lines,\n" - " e.g. \"thrift:| git:| url: git@foo.com\"\n" -)