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1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | /* | |
4 | * Ceph - scalable distributed file system | |
5 | * | |
6 | * Copyright (C) 2011 New Dream Network | |
7 | * | |
8 | * This is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License version 2.1, as published by the Free Software | |
11 | * Foundation. See file COPYING. | |
12 | * | |
13 | */ | |
14 | ||
15 | #define LARGE_SIZE 1024 | |
16 | ||
7c673cae FG |
17 | #include "HTMLFormatter.h" |
18 | #include "common/escape.h" | |
19 | #include "include/buffer.h" | |
20 | ||
7c673cae FG |
21 | #include <set> |
22 | #include <boost/format.hpp> | |
23 | ||
7c673cae FG |
24 | // ----------------------- |
25 | namespace ceph { | |
26 | ||
27 | /* | |
28 | * FormatterAttrs(const char *attr, ...) | |
29 | * | |
30 | * Requires a list of attrs followed by NULL. The attrs should be char * | |
31 | * pairs, first one is the name, second one is the value. E.g., | |
32 | * | |
33 | * FormatterAttrs("name1", "value1", "name2", "value2", NULL); | |
34 | */ | |
35 | FormatterAttrs::FormatterAttrs(const char *attr, ...) | |
36 | { | |
37 | const char *s = attr; | |
38 | va_list ap; | |
39 | va_start(ap, attr); | |
40 | do { | |
41 | const char *val = va_arg(ap, char *); | |
42 | if (!val) | |
43 | break; | |
44 | ||
45 | attrs.push_back(make_pair(std::string(s), std::string(val))); | |
46 | s = va_arg(ap, char *); | |
47 | } while (s); | |
48 | va_end(ap); | |
49 | } | |
50 | ||
51 | Formatter::Formatter() { } | |
52 | ||
53 | Formatter::~Formatter() { } | |
54 | ||
55 | Formatter *Formatter::create(const std::string &type, | |
56 | const std::string& default_type, | |
57 | const std::string& fallback) | |
58 | { | |
59 | std::string mytype = type; | |
60 | if (mytype == "") | |
61 | mytype = default_type; | |
62 | ||
63 | if (mytype == "json") | |
64 | return new JSONFormatter(false); | |
65 | else if (mytype == "json-pretty") | |
66 | return new JSONFormatter(true); | |
67 | else if (mytype == "xml") | |
68 | return new XMLFormatter(false); | |
69 | else if (mytype == "xml-pretty") | |
70 | return new XMLFormatter(true); | |
71 | else if (mytype == "table") | |
72 | return new TableFormatter(); | |
73 | else if (mytype == "table-kv") | |
74 | return new TableFormatter(true); | |
75 | else if (mytype == "html") | |
76 | return new HTMLFormatter(false); | |
77 | else if (mytype == "html-pretty") | |
78 | return new HTMLFormatter(true); | |
79 | else if (fallback != "") | |
80 | return create(fallback, "", ""); | |
81 | else | |
82 | return (Formatter *) NULL; | |
83 | } | |
84 | ||
85 | ||
86 | void Formatter::flush(bufferlist &bl) | |
87 | { | |
88 | std::stringstream os; | |
89 | flush(os); | |
90 | bl.append(os.str()); | |
91 | } | |
92 | ||
93 | void Formatter::dump_format(const char *name, const char *fmt, ...) | |
94 | { | |
95 | va_list ap; | |
96 | va_start(ap, fmt); | |
97 | dump_format_va(name, NULL, true, fmt, ap); | |
98 | va_end(ap); | |
99 | } | |
100 | ||
101 | void Formatter::dump_format_ns(const char *name, const char *ns, const char *fmt, ...) | |
102 | { | |
103 | va_list ap; | |
104 | va_start(ap, fmt); | |
105 | dump_format_va(name, ns, true, fmt, ap); | |
106 | va_end(ap); | |
107 | ||
108 | } | |
109 | ||
110 | void Formatter::dump_format_unquoted(const char *name, const char *fmt, ...) | |
111 | { | |
112 | va_list ap; | |
113 | va_start(ap, fmt); | |
114 | dump_format_va(name, NULL, false, fmt, ap); | |
115 | va_end(ap); | |
116 | } | |
117 | ||
118 | // ----------------------- | |
119 | ||
120 | JSONFormatter::JSONFormatter(bool p) | |
121 | : m_pretty(p), m_is_pending_string(false) | |
122 | { | |
123 | reset(); | |
124 | } | |
125 | ||
126 | void JSONFormatter::flush(std::ostream& os) | |
127 | { | |
128 | finish_pending_string(); | |
129 | os << m_ss.str(); | |
130 | m_ss.clear(); | |
131 | m_ss.str(""); | |
132 | } | |
133 | ||
134 | void JSONFormatter::reset() | |
135 | { | |
136 | m_stack.clear(); | |
137 | m_ss.clear(); | |
138 | m_ss.str(""); | |
139 | m_pending_string.clear(); | |
140 | m_pending_string.str(""); | |
141 | } | |
142 | ||
143 | void JSONFormatter::print_comma(json_formatter_stack_entry_d& entry) | |
144 | { | |
145 | if (entry.size) { | |
146 | if (m_pretty) { | |
147 | m_ss << ",\n"; | |
148 | for (unsigned i = 1; i < m_stack.size(); i++) | |
149 | m_ss << " "; | |
150 | } else { | |
151 | m_ss << ","; | |
152 | } | |
153 | } else if (m_pretty) { | |
154 | m_ss << "\n"; | |
155 | for (unsigned i = 1; i < m_stack.size(); i++) | |
156 | m_ss << " "; | |
157 | } | |
158 | if (m_pretty && entry.is_array) | |
159 | m_ss << " "; | |
160 | } | |
161 | ||
162 | void JSONFormatter::print_quoted_string(const std::string& s) | |
163 | { | |
164 | int len = escape_json_attr_len(s.c_str(), s.size()); | |
165 | char escaped[len]; | |
166 | escape_json_attr(s.c_str(), s.size(), escaped); | |
167 | m_ss << '\"' << escaped << '\"'; | |
168 | } | |
169 | ||
170 | void JSONFormatter::print_name(const char *name) | |
171 | { | |
172 | finish_pending_string(); | |
173 | if (m_stack.empty()) | |
174 | return; | |
175 | struct json_formatter_stack_entry_d& entry = m_stack.back(); | |
176 | print_comma(entry); | |
177 | if (!entry.is_array) { | |
178 | if (m_pretty) { | |
179 | m_ss << " "; | |
180 | } | |
181 | m_ss << "\"" << name << "\""; | |
182 | if (m_pretty) | |
183 | m_ss << ": "; | |
184 | else | |
185 | m_ss << ':'; | |
186 | } | |
187 | ++entry.size; | |
188 | } | |
189 | ||
190 | void JSONFormatter::open_section(const char *name, bool is_array) | |
191 | { | |
192 | print_name(name); | |
193 | if (is_array) | |
194 | m_ss << '['; | |
195 | else | |
196 | m_ss << '{'; | |
197 | ||
198 | json_formatter_stack_entry_d n; | |
199 | n.is_array = is_array; | |
200 | m_stack.push_back(n); | |
201 | } | |
202 | ||
203 | void JSONFormatter::open_array_section(const char *name) | |
204 | { | |
205 | open_section(name, true); | |
206 | } | |
207 | ||
208 | void JSONFormatter::open_array_section_in_ns(const char *name, const char *ns) | |
209 | { | |
210 | std::ostringstream oss; | |
211 | oss << name << " " << ns; | |
212 | open_section(oss.str().c_str(), true); | |
213 | } | |
214 | ||
215 | void JSONFormatter::open_object_section(const char *name) | |
216 | { | |
217 | open_section(name, false); | |
218 | } | |
219 | ||
220 | void JSONFormatter::open_object_section_in_ns(const char *name, const char *ns) | |
221 | { | |
222 | std::ostringstream oss; | |
223 | oss << name << " " << ns; | |
224 | open_section(oss.str().c_str(), false); | |
225 | } | |
226 | ||
227 | void JSONFormatter::close_section() | |
228 | { | |
229 | assert(!m_stack.empty()); | |
230 | finish_pending_string(); | |
231 | ||
232 | struct json_formatter_stack_entry_d& entry = m_stack.back(); | |
233 | if (m_pretty && entry.size) { | |
234 | m_ss << "\n"; | |
235 | for (unsigned i = 1; i < m_stack.size(); i++) | |
236 | m_ss << " "; | |
237 | } | |
238 | m_ss << (entry.is_array ? ']' : '}'); | |
239 | m_stack.pop_back(); | |
240 | if (m_pretty && m_stack.empty()) | |
241 | m_ss << "\n"; | |
242 | } | |
243 | ||
244 | void JSONFormatter::finish_pending_string() | |
245 | { | |
246 | if (m_is_pending_string) { | |
247 | print_quoted_string(m_pending_string.str()); | |
248 | m_pending_string.str(std::string()); | |
249 | m_is_pending_string = false; | |
250 | } | |
251 | } | |
252 | ||
253 | void JSONFormatter::dump_unsigned(const char *name, uint64_t u) | |
254 | { | |
255 | print_name(name); | |
256 | m_ss << u; | |
257 | } | |
258 | ||
259 | void JSONFormatter::dump_int(const char *name, int64_t s) | |
260 | { | |
261 | print_name(name); | |
262 | m_ss << s; | |
263 | } | |
264 | ||
265 | void JSONFormatter::dump_float(const char *name, double d) | |
266 | { | |
267 | print_name(name); | |
268 | char foo[30]; | |
269 | snprintf(foo, sizeof(foo), "%lf", d); | |
270 | m_ss << foo; | |
271 | } | |
272 | ||
273 | void JSONFormatter::dump_string(const char *name, const std::string& s) | |
274 | { | |
275 | print_name(name); | |
276 | print_quoted_string(s); | |
277 | } | |
278 | ||
279 | std::ostream& JSONFormatter::dump_stream(const char *name) | |
280 | { | |
281 | print_name(name); | |
282 | m_is_pending_string = true; | |
283 | return m_pending_string; | |
284 | } | |
285 | ||
286 | void JSONFormatter::dump_format_va(const char *name, const char *ns, bool quoted, const char *fmt, va_list ap) | |
287 | { | |
288 | char buf[LARGE_SIZE]; | |
289 | vsnprintf(buf, LARGE_SIZE, fmt, ap); | |
290 | ||
291 | print_name(name); | |
292 | if (quoted) { | |
293 | print_quoted_string(std::string(buf)); | |
294 | } else { | |
295 | m_ss << std::string(buf); | |
296 | } | |
297 | } | |
298 | ||
299 | int JSONFormatter::get_len() const | |
300 | { | |
301 | return m_ss.str().size(); | |
302 | } | |
303 | ||
304 | void JSONFormatter::write_raw_data(const char *data) | |
305 | { | |
306 | m_ss << data; | |
307 | } | |
308 | ||
309 | const char *XMLFormatter::XML_1_DTD = | |
310 | "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"; | |
311 | ||
312 | XMLFormatter::XMLFormatter(bool pretty, bool lowercased, bool underscored) | |
313 | : m_pretty(pretty), | |
314 | m_lowercased(lowercased), | |
315 | m_underscored(underscored) | |
316 | { | |
317 | reset(); | |
318 | } | |
319 | ||
320 | void XMLFormatter::flush(std::ostream& os) | |
321 | { | |
322 | finish_pending_string(); | |
323 | std::string m_ss_str = m_ss.str(); | |
324 | os << m_ss_str; | |
325 | /* There is a small catch here. If the rest of the formatter had NO output, | |
326 | * we should NOT output a newline. This primarily triggers on HTTP redirects */ | |
327 | if (m_pretty && !m_ss_str.empty()) | |
328 | os << "\n"; | |
329 | m_ss.clear(); | |
330 | m_ss.str(""); | |
331 | } | |
332 | ||
333 | void XMLFormatter::reset() | |
334 | { | |
335 | m_ss.clear(); | |
336 | m_ss.str(""); | |
337 | m_pending_string.clear(); | |
338 | m_pending_string.str(""); | |
339 | m_sections.clear(); | |
340 | m_pending_string_name.clear(); | |
341 | m_header_done = false; | |
342 | } | |
343 | ||
344 | void XMLFormatter::output_header() | |
345 | { | |
346 | if(!m_header_done) { | |
347 | m_header_done = true; | |
348 | write_raw_data(XMLFormatter::XML_1_DTD);; | |
349 | if (m_pretty) | |
350 | m_ss << "\n"; | |
351 | } | |
352 | } | |
353 | ||
354 | void XMLFormatter::output_footer() | |
355 | { | |
356 | while(!m_sections.empty()) { | |
357 | close_section(); | |
358 | } | |
359 | } | |
360 | ||
361 | void XMLFormatter::open_object_section(const char *name) | |
362 | { | |
363 | open_section_in_ns(name, NULL, NULL); | |
364 | } | |
365 | ||
366 | void XMLFormatter::open_object_section_with_attrs(const char *name, const FormatterAttrs& attrs) | |
367 | { | |
368 | open_section_in_ns(name, NULL, &attrs); | |
369 | } | |
370 | ||
371 | void XMLFormatter::open_object_section_in_ns(const char *name, const char *ns) | |
372 | { | |
373 | open_section_in_ns(name, ns, NULL); | |
374 | } | |
375 | ||
376 | void XMLFormatter::open_array_section(const char *name) | |
377 | { | |
378 | open_section_in_ns(name, NULL, NULL); | |
379 | } | |
380 | ||
381 | void XMLFormatter::open_array_section_with_attrs(const char *name, const FormatterAttrs& attrs) | |
382 | { | |
383 | open_section_in_ns(name, NULL, &attrs); | |
384 | } | |
385 | ||
386 | void XMLFormatter::open_array_section_in_ns(const char *name, const char *ns) | |
387 | { | |
388 | open_section_in_ns(name, ns, NULL); | |
389 | } | |
390 | ||
391 | void XMLFormatter::close_section() | |
392 | { | |
393 | assert(!m_sections.empty()); | |
394 | finish_pending_string(); | |
395 | ||
396 | std::string section = m_sections.back(); | |
397 | std::transform(section.begin(), section.end(), section.begin(), | |
398 | [this](char c) { return this->to_lower_underscore(c); }); | |
399 | m_sections.pop_back(); | |
400 | print_spaces(); | |
401 | m_ss << "</" << section << ">"; | |
402 | if (m_pretty) | |
403 | m_ss << "\n"; | |
404 | } | |
405 | ||
406 | void XMLFormatter::dump_unsigned(const char *name, uint64_t u) | |
407 | { | |
408 | std::string e(name); | |
409 | std::transform(e.begin(), e.end(), e.begin(), | |
410 | [this](char c) { return this->to_lower_underscore(c); }); | |
411 | ||
412 | print_spaces(); | |
413 | m_ss << "<" << e << ">" << u << "</" << e << ">"; | |
414 | if (m_pretty) | |
415 | m_ss << "\n"; | |
416 | } | |
417 | ||
418 | void XMLFormatter::dump_int(const char *name, int64_t u) | |
419 | { | |
420 | std::string e(name); | |
421 | std::transform(e.begin(), e.end(), e.begin(), | |
422 | [this](char c) { return this->to_lower_underscore(c); }); | |
423 | ||
424 | print_spaces(); | |
425 | m_ss << "<" << e << ">" << u << "</" << e << ">"; | |
426 | if (m_pretty) | |
427 | m_ss << "\n"; | |
428 | } | |
429 | ||
430 | void XMLFormatter::dump_float(const char *name, double d) | |
431 | { | |
432 | std::string e(name); | |
433 | std::transform(e.begin(), e.end(), e.begin(), | |
434 | [this](char c) { return this->to_lower_underscore(c); }); | |
435 | ||
436 | print_spaces(); | |
437 | m_ss << "<" << e << ">" << d << "</" << e << ">"; | |
438 | if (m_pretty) | |
439 | m_ss << "\n"; | |
440 | } | |
441 | ||
442 | void XMLFormatter::dump_string(const char *name, const std::string& s) | |
443 | { | |
444 | std::string e(name); | |
445 | std::transform(e.begin(), e.end(), e.begin(), | |
446 | [this](char c) { return this->to_lower_underscore(c); }); | |
447 | ||
448 | print_spaces(); | |
449 | m_ss << "<" << e << ">" << escape_xml_str(s.c_str()) << "</" << e << ">"; | |
450 | if (m_pretty) | |
451 | m_ss << "\n"; | |
452 | } | |
453 | ||
454 | void XMLFormatter::dump_string_with_attrs(const char *name, const std::string& s, const FormatterAttrs& attrs) | |
455 | { | |
456 | std::string e(name); | |
457 | std::transform(e.begin(), e.end(), e.begin(), | |
458 | [this](char c) { return this->to_lower_underscore(c); }); | |
459 | ||
460 | std::string attrs_str; | |
461 | get_attrs_str(&attrs, attrs_str); | |
462 | print_spaces(); | |
463 | m_ss << "<" << e << attrs_str << ">" << escape_xml_str(s.c_str()) << "</" << e << ">"; | |
464 | if (m_pretty) | |
465 | m_ss << "\n"; | |
466 | } | |
467 | ||
468 | std::ostream& XMLFormatter::dump_stream(const char *name) | |
469 | { | |
470 | print_spaces(); | |
471 | m_pending_string_name = name; | |
472 | m_ss << "<" << m_pending_string_name << ">"; | |
473 | return m_pending_string; | |
474 | } | |
475 | ||
476 | void XMLFormatter::dump_format_va(const char* name, const char *ns, bool quoted, const char *fmt, va_list ap) | |
477 | { | |
478 | char buf[LARGE_SIZE]; | |
479 | vsnprintf(buf, LARGE_SIZE, fmt, ap); | |
480 | std::string e(name); | |
481 | std::transform(e.begin(), e.end(), e.begin(), | |
482 | [this](char c) { return this->to_lower_underscore(c); }); | |
483 | ||
484 | print_spaces(); | |
485 | if (ns) { | |
486 | m_ss << "<" << e << " xmlns=\"" << ns << "\">" << buf << "</" << e << ">"; | |
487 | } else { | |
488 | m_ss << "<" << e << ">" << escape_xml_str(buf) << "</" << e << ">"; | |
489 | } | |
490 | ||
491 | if (m_pretty) | |
492 | m_ss << "\n"; | |
493 | } | |
494 | ||
495 | int XMLFormatter::get_len() const | |
496 | { | |
497 | return m_ss.str().size(); | |
498 | } | |
499 | ||
500 | void XMLFormatter::write_raw_data(const char *data) | |
501 | { | |
502 | m_ss << data; | |
503 | } | |
504 | ||
505 | void XMLFormatter::get_attrs_str(const FormatterAttrs *attrs, std::string& attrs_str) | |
506 | { | |
507 | std::stringstream attrs_ss; | |
508 | ||
509 | for (std::list<std::pair<std::string, std::string> >::const_iterator iter = attrs->attrs.begin(); | |
510 | iter != attrs->attrs.end(); ++iter) { | |
511 | std::pair<std::string, std::string> p = *iter; | |
512 | attrs_ss << " " << p.first << "=" << "\"" << p.second << "\""; | |
513 | } | |
514 | ||
515 | attrs_str = attrs_ss.str(); | |
516 | } | |
517 | ||
518 | void XMLFormatter::open_section_in_ns(const char *name, const char *ns, const FormatterAttrs *attrs) | |
519 | { | |
520 | print_spaces(); | |
521 | std::string attrs_str; | |
522 | ||
523 | if (attrs) { | |
524 | get_attrs_str(attrs, attrs_str); | |
525 | } | |
526 | ||
527 | std::string e(name); | |
528 | std::transform(e.begin(), e.end(), e.begin(), | |
529 | [this](char c) { return this->to_lower_underscore(c); }); | |
530 | ||
531 | if (ns) { | |
532 | m_ss << "<" << e << attrs_str << " xmlns=\"" << ns << "\">"; | |
533 | } else { | |
534 | m_ss << "<" << e << attrs_str << ">"; | |
535 | } | |
536 | if (m_pretty) | |
537 | m_ss << "\n"; | |
538 | m_sections.push_back(name); | |
539 | } | |
540 | ||
541 | void XMLFormatter::finish_pending_string() | |
542 | { | |
543 | if (!m_pending_string_name.empty()) { | |
544 | m_ss << escape_xml_str(m_pending_string.str().c_str()) | |
545 | << "</" << m_pending_string_name << ">"; | |
546 | m_pending_string_name.clear(); | |
547 | m_pending_string.str(std::string()); | |
548 | if (m_pretty) { | |
549 | m_ss << "\n"; | |
550 | } | |
551 | } | |
552 | } | |
553 | ||
554 | void XMLFormatter::print_spaces() | |
555 | { | |
556 | finish_pending_string(); | |
557 | if (m_pretty) { | |
558 | std::string spaces(m_sections.size(), ' '); | |
559 | m_ss << spaces; | |
560 | } | |
561 | } | |
562 | ||
563 | std::string XMLFormatter::escape_xml_str(const char *str) | |
564 | { | |
565 | int len = escape_xml_attr_len(str); | |
566 | std::vector<char> escaped(len, '\0'); | |
567 | escape_xml_attr(str, &escaped[0]); | |
568 | return std::string(&escaped[0]); | |
569 | } | |
570 | ||
571 | char XMLFormatter::to_lower_underscore(char c) const | |
572 | { | |
573 | if (m_underscored && c == ' ') { | |
574 | return '_'; | |
575 | } else if (m_lowercased) { | |
576 | return std::tolower(c); | |
577 | } | |
578 | return c; | |
579 | } | |
580 | ||
581 | TableFormatter::TableFormatter(bool keyval) : m_keyval(keyval) | |
582 | { | |
583 | reset(); | |
584 | } | |
585 | ||
586 | void TableFormatter::flush(std::ostream& os) | |
587 | { | |
588 | finish_pending_string(); | |
589 | std::vector<size_t> column_size = m_column_size; | |
590 | std::vector<std::string> column_name = m_column_name; | |
591 | ||
592 | std::set<int> need_header_set; | |
593 | ||
594 | // auto-sizing columns | |
595 | for (size_t i = 0; i < m_vec.size(); i++) { | |
596 | for (size_t j = 0; j < m_vec[i].size(); j++) { | |
597 | column_size.resize(m_vec[i].size()); | |
598 | column_name.resize(m_vec[i].size()); | |
599 | if (i > 0) { | |
600 | if (m_vec[i - 1][j] != m_vec[i][j]) { | |
601 | // changing row labels require to show the header | |
602 | need_header_set.insert(i); | |
603 | column_name[i] = m_vec[i][j].first; | |
604 | } | |
605 | } else { | |
606 | column_name[i] = m_vec[i][j].first; | |
607 | } | |
608 | ||
609 | if (m_vec[i][j].second.length() > column_size[j]) | |
610 | column_size[j] = m_vec[i][j].second.length(); | |
611 | if (m_vec[i][j].first.length() > column_size[j]) | |
612 | column_size[j] = m_vec[i][j].first.length(); | |
613 | } | |
614 | } | |
615 | ||
616 | bool need_header = false; | |
617 | if ((column_size.size() == m_column_size.size())) { | |
618 | for (size_t i = 0; i < column_size.size(); i++) { | |
619 | if (column_size[i] != m_column_size[i]) { | |
620 | need_header = true; | |
621 | break; | |
622 | } | |
623 | } | |
624 | } else { | |
625 | need_header = true; | |
626 | } | |
627 | ||
628 | if (need_header) { | |
629 | // first row always needs a header if there wasn't one before | |
630 | need_header_set.insert(0); | |
631 | } | |
632 | ||
633 | m_column_size = column_size; | |
634 | for (size_t i = 0; i < m_vec.size(); i++) { | |
635 | if (i == 0) { | |
636 | if (need_header_set.count(i)) { | |
637 | // print the header | |
638 | if (!m_keyval) { | |
639 | os << "+"; | |
640 | for (size_t j = 0; j < m_vec[i].size(); j++) { | |
641 | for (size_t v = 0; v < m_column_size[j] + 3; v++) | |
642 | os << "-"; | |
643 | os << "+"; | |
644 | } | |
645 | os << "\n"; | |
646 | os << "|"; | |
647 | ||
648 | for (size_t j = 0; j < m_vec[i].size(); j++) { | |
649 | os << " "; | |
650 | std::stringstream fs; | |
651 | fs << boost::format("%%-%is") % (m_column_size[j] + 2); | |
652 | os << boost::format(fs.str()) % m_vec[i][j].first; | |
653 | os << "|"; | |
654 | } | |
655 | os << "\n"; | |
656 | os << "+"; | |
657 | for (size_t j = 0; j < m_vec[i].size(); j++) { | |
658 | for (size_t v = 0; v < m_column_size[j] + 3; v++) | |
659 | os << "-"; | |
660 | os << "+"; | |
661 | } | |
662 | os << "\n"; | |
663 | } | |
664 | } | |
665 | } | |
666 | // print body | |
667 | if (!m_keyval) | |
668 | os << "|"; | |
669 | for (size_t j = 0; j < m_vec[i].size(); j++) { | |
670 | if (!m_keyval) | |
671 | os << " "; | |
672 | std::stringstream fs; | |
673 | ||
674 | if (m_keyval) { | |
675 | os << "key::"; | |
676 | os << m_vec[i][j].first; | |
677 | os << "="; | |
678 | os << "\""; | |
679 | os << m_vec[i][j].second; | |
680 | os << "\" "; | |
681 | } else { | |
682 | fs << boost::format("%%-%is") % (m_column_size[j] + 2); | |
683 | os << boost::format(fs.str()) % m_vec[i][j].second; | |
684 | os << "|"; | |
685 | } | |
686 | } | |
687 | ||
688 | os << "\n"; | |
689 | if (!m_keyval) { | |
690 | if (i == (m_vec.size() - 1)) { | |
691 | // print trailer | |
692 | os << "+"; | |
693 | for (size_t j = 0; j < m_vec[i].size(); j++) { | |
694 | for (size_t v = 0; v < m_column_size[j] + 3; v++) | |
695 | os << "-"; | |
696 | os << "+"; | |
697 | } | |
698 | os << "\n"; | |
699 | } | |
700 | } | |
701 | m_vec[i].clear(); | |
702 | } | |
703 | m_vec.clear(); | |
704 | } | |
705 | ||
706 | void TableFormatter::reset() | |
707 | { | |
708 | m_ss.clear(); | |
709 | m_ss.str(""); | |
710 | m_section_cnt.clear(); | |
711 | m_column_size.clear(); | |
712 | m_section_open = 0; | |
713 | } | |
714 | ||
715 | void TableFormatter::open_object_section(const char *name) | |
716 | { | |
717 | open_section_in_ns(name, NULL, NULL); | |
718 | } | |
719 | ||
720 | void TableFormatter::open_object_section_with_attrs(const char *name, const FormatterAttrs& attrs) | |
721 | { | |
722 | open_section_in_ns(name, NULL, NULL); | |
723 | } | |
724 | ||
725 | void TableFormatter::open_object_section_in_ns(const char *name, const char *ns) | |
726 | { | |
727 | open_section_in_ns(name, NULL, NULL); | |
728 | } | |
729 | ||
730 | void TableFormatter::open_array_section(const char *name) | |
731 | { | |
732 | open_section_in_ns(name, NULL, NULL); | |
733 | } | |
734 | ||
735 | void TableFormatter::open_array_section_with_attrs(const char *name, const FormatterAttrs& attrs) | |
736 | { | |
737 | open_section_in_ns(name, NULL, NULL); | |
738 | } | |
739 | ||
740 | void TableFormatter::open_array_section_in_ns(const char *name, const char *ns) | |
741 | { | |
742 | open_section_in_ns(name, NULL, NULL); | |
743 | } | |
744 | ||
745 | void TableFormatter::open_section_in_ns(const char *name, const char *ns, const FormatterAttrs *attrs) | |
746 | { | |
747 | m_section.push_back(name); | |
748 | m_section_open++; | |
749 | } | |
750 | ||
751 | void TableFormatter::close_section() | |
752 | { | |
753 | // | |
754 | m_section_open--; | |
755 | if (m_section.size()) { | |
756 | m_section_cnt[m_section.back()] = 0; | |
757 | m_section.pop_back(); | |
758 | } | |
759 | } | |
760 | ||
761 | size_t TableFormatter::m_vec_index(const char *name) | |
762 | { | |
763 | std::string key(name); | |
764 | ||
765 | size_t i = m_vec.size(); | |
766 | if (i) | |
767 | i--; | |
768 | ||
769 | // make sure there are vectors to push back key/val pairs | |
770 | if (!m_vec.size()) | |
771 | m_vec.resize(1); | |
772 | ||
773 | if (m_vec.size()) { | |
774 | if (m_vec[i].size()) { | |
775 | if (m_vec[i][0].first == key) { | |
776 | // start a new column if a key is repeated | |
777 | m_vec.resize(m_vec.size() + 1); | |
778 | i++; | |
779 | } | |
780 | } | |
781 | } | |
782 | ||
783 | return i; | |
784 | } | |
785 | ||
786 | std::string TableFormatter::get_section_name(const char* name) | |
787 | { | |
788 | std::string t_name = name; | |
789 | for (size_t i = 0; i < m_section.size(); i++) { | |
790 | t_name.insert(0, ":"); | |
791 | t_name.insert(0, m_section[i]); | |
792 | } | |
793 | if (m_section_open) { | |
794 | std::stringstream lss; | |
795 | lss << t_name; | |
796 | lss << "["; | |
797 | lss << m_section_cnt[t_name]++; | |
798 | lss << "]"; | |
799 | return lss.str(); | |
800 | } else { | |
801 | return t_name; | |
802 | } | |
803 | } | |
804 | ||
805 | void TableFormatter::dump_unsigned(const char *name, uint64_t u) | |
806 | { | |
807 | finish_pending_string(); | |
808 | size_t i = m_vec_index(name); | |
809 | m_ss << u; | |
810 | m_vec[i].push_back(std::make_pair(get_section_name(name), m_ss.str())); | |
811 | m_ss.clear(); | |
812 | m_ss.str(""); | |
813 | } | |
814 | ||
815 | void TableFormatter::dump_int(const char *name, int64_t u) | |
816 | { | |
817 | finish_pending_string(); | |
818 | size_t i = m_vec_index(name); | |
819 | m_ss << u; | |
820 | m_vec[i].push_back(std::make_pair(get_section_name(name), m_ss.str())); | |
821 | m_ss.clear(); | |
822 | m_ss.str(""); | |
823 | } | |
824 | ||
825 | void TableFormatter::dump_float(const char *name, double d) | |
826 | { | |
827 | finish_pending_string(); | |
828 | size_t i = m_vec_index(name); | |
829 | m_ss << d; | |
830 | ||
831 | m_vec[i].push_back(std::make_pair(get_section_name(name), m_ss.str())); | |
832 | m_ss.clear(); | |
833 | m_ss.str(""); | |
834 | } | |
835 | ||
836 | void TableFormatter::dump_string(const char *name, const std::string& s) | |
837 | { | |
838 | finish_pending_string(); | |
839 | size_t i = m_vec_index(name); | |
840 | m_ss << s; | |
841 | ||
842 | m_vec[i].push_back(std::make_pair(get_section_name(name), m_ss.str())); | |
843 | m_ss.clear(); | |
844 | m_ss.str(""); | |
845 | } | |
846 | ||
847 | void TableFormatter::dump_string_with_attrs(const char *name, const std::string& s, const FormatterAttrs& attrs) | |
848 | { | |
849 | finish_pending_string(); | |
850 | size_t i = m_vec_index(name); | |
851 | ||
852 | std::string attrs_str; | |
853 | get_attrs_str(&attrs, attrs_str); | |
854 | m_ss << attrs_str << s; | |
855 | ||
856 | m_vec[i].push_back(std::make_pair(get_section_name(name), m_ss.str())); | |
857 | m_ss.clear(); | |
858 | m_ss.str(""); | |
859 | } | |
860 | ||
861 | void TableFormatter::dump_format_va(const char* name, const char *ns, bool quoted, const char *fmt, va_list ap) | |
862 | { | |
863 | finish_pending_string(); | |
864 | char buf[LARGE_SIZE]; | |
865 | vsnprintf(buf, LARGE_SIZE, fmt, ap); | |
866 | ||
867 | size_t i = m_vec_index(name); | |
868 | if (ns) { | |
869 | m_ss << ns << "." << buf; | |
870 | } else | |
871 | m_ss << buf; | |
872 | ||
873 | m_vec[i].push_back(std::make_pair(get_section_name(name), m_ss.str())); | |
874 | m_ss.clear(); | |
875 | m_ss.str(""); | |
876 | } | |
877 | ||
878 | std::ostream& TableFormatter::dump_stream(const char *name) | |
879 | { | |
880 | finish_pending_string(); | |
881 | // we don't support this | |
882 | m_pending_name = name; | |
883 | return m_ss; | |
884 | } | |
885 | ||
886 | int TableFormatter::get_len() const | |
887 | { | |
888 | // we don't know the size until flush is called | |
889 | return 0; | |
890 | } | |
891 | ||
892 | void TableFormatter::write_raw_data(const char *data) { | |
893 | // not supported | |
894 | } | |
895 | ||
896 | void TableFormatter::get_attrs_str(const FormatterAttrs *attrs, std::string& attrs_str) | |
897 | { | |
898 | std::stringstream attrs_ss; | |
899 | ||
900 | for (std::list<std::pair<std::string, std::string> >::const_iterator iter = attrs->attrs.begin(); | |
901 | iter != attrs->attrs.end(); ++iter) { | |
902 | std::pair<std::string, std::string> p = *iter; | |
903 | attrs_ss << " " << p.first << "=" << "\"" << p.second << "\""; | |
904 | } | |
905 | ||
906 | attrs_str = attrs_ss.str(); | |
907 | } | |
908 | ||
909 | void TableFormatter::finish_pending_string() | |
910 | { | |
911 | if (m_pending_name.length()) { | |
912 | std::string ss = m_ss.str(); | |
913 | m_ss.clear(); | |
914 | m_ss.str(""); | |
915 | std::string pending_name = m_pending_name; | |
916 | m_pending_name = ""; | |
917 | dump_string(pending_name.c_str(), ss); | |
918 | } | |
919 | } | |
920 | } | |
921 |