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7c673cae FG |
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 | ||
f67539c2 | 21 | #include <fmt/format.h> |
522d829b | 22 | #include <algorithm> |
7c673cae | 23 | #include <set> |
11fdf7f2 | 24 | #include <limits> |
7c673cae | 25 | |
7c673cae FG |
26 | // ----------------------- |
27 | namespace ceph { | |
28 | ||
eafe8130 TL |
29 | std::string |
30 | fixed_u_to_string(uint64_t num, int scale) | |
31 | { | |
32 | std::ostringstream t; | |
33 | ||
34 | t.fill('0'); | |
35 | t.width(scale + 1); | |
36 | t << num; | |
37 | int len = t.str().size(); | |
38 | return t.str().substr(0,len - scale) + "." + t.str().substr(len - scale); | |
39 | } | |
40 | ||
41 | std::string | |
42 | fixed_to_string(int64_t num, int scale) | |
43 | { | |
44 | std::ostringstream t; | |
45 | bool neg = num < 0; | |
46 | if (neg) num = -num; | |
47 | ||
48 | t.fill('0'); | |
49 | t.width(scale + 1); | |
50 | t << num; | |
51 | int len = t.str().size(); | |
52 | return (neg ? "-" : "") + t.str().substr(0,len - scale) + "." + t.str().substr(len - scale); | |
53 | } | |
54 | ||
7c673cae FG |
55 | /* |
56 | * FormatterAttrs(const char *attr, ...) | |
57 | * | |
58 | * Requires a list of attrs followed by NULL. The attrs should be char * | |
59 | * pairs, first one is the name, second one is the value. E.g., | |
60 | * | |
61 | * FormatterAttrs("name1", "value1", "name2", "value2", NULL); | |
62 | */ | |
63 | FormatterAttrs::FormatterAttrs(const char *attr, ...) | |
64 | { | |
65 | const char *s = attr; | |
66 | va_list ap; | |
67 | va_start(ap, attr); | |
68 | do { | |
69 | const char *val = va_arg(ap, char *); | |
70 | if (!val) | |
71 | break; | |
72 | ||
73 | attrs.push_back(make_pair(std::string(s), std::string(val))); | |
74 | s = va_arg(ap, char *); | |
75 | } while (s); | |
76 | va_end(ap); | |
77 | } | |
78 | ||
f67539c2 TL |
79 | void Formatter::write_bin_data(const char*, int){} |
80 | ||
7c673cae FG |
81 | Formatter::Formatter() { } |
82 | ||
83 | Formatter::~Formatter() { } | |
84 | ||
11fdf7f2 TL |
85 | Formatter *Formatter::create(std::string_view type, |
86 | std::string_view default_type, | |
87 | std::string_view fallback) | |
7c673cae | 88 | { |
f67539c2 TL |
89 | std::string_view mytype(type); |
90 | if (mytype.empty()) { | |
11fdf7f2 | 91 | mytype = default_type; |
f67539c2 | 92 | } |
7c673cae FG |
93 | |
94 | if (mytype == "json") | |
95 | return new JSONFormatter(false); | |
96 | else if (mytype == "json-pretty") | |
97 | return new JSONFormatter(true); | |
98 | else if (mytype == "xml") | |
99 | return new XMLFormatter(false); | |
100 | else if (mytype == "xml-pretty") | |
101 | return new XMLFormatter(true); | |
102 | else if (mytype == "table") | |
103 | return new TableFormatter(); | |
104 | else if (mytype == "table-kv") | |
105 | return new TableFormatter(true); | |
106 | else if (mytype == "html") | |
107 | return new HTMLFormatter(false); | |
108 | else if (mytype == "html-pretty") | |
109 | return new HTMLFormatter(true); | |
110 | else if (fallback != "") | |
111 | return create(fallback, "", ""); | |
112 | else | |
113 | return (Formatter *) NULL; | |
114 | } | |
115 | ||
116 | ||
117 | void Formatter::flush(bufferlist &bl) | |
118 | { | |
119 | std::stringstream os; | |
120 | flush(os); | |
121 | bl.append(os.str()); | |
122 | } | |
123 | ||
9f95a23c | 124 | void Formatter::dump_format(std::string_view name, const char *fmt, ...) |
7c673cae FG |
125 | { |
126 | va_list ap; | |
127 | va_start(ap, fmt); | |
128 | dump_format_va(name, NULL, true, fmt, ap); | |
129 | va_end(ap); | |
130 | } | |
131 | ||
9f95a23c | 132 | void Formatter::dump_format_ns(std::string_view name, const char *ns, const char *fmt, ...) |
7c673cae FG |
133 | { |
134 | va_list ap; | |
135 | va_start(ap, fmt); | |
136 | dump_format_va(name, ns, true, fmt, ap); | |
137 | va_end(ap); | |
138 | ||
139 | } | |
140 | ||
9f95a23c | 141 | void Formatter::dump_format_unquoted(std::string_view name, const char *fmt, ...) |
7c673cae FG |
142 | { |
143 | va_list ap; | |
144 | va_start(ap, fmt); | |
145 | dump_format_va(name, NULL, false, fmt, ap); | |
146 | va_end(ap); | |
147 | } | |
148 | ||
149 | // ----------------------- | |
150 | ||
151 | JSONFormatter::JSONFormatter(bool p) | |
152 | : m_pretty(p), m_is_pending_string(false) | |
153 | { | |
154 | reset(); | |
155 | } | |
156 | ||
157 | void JSONFormatter::flush(std::ostream& os) | |
158 | { | |
159 | finish_pending_string(); | |
160 | os << m_ss.str(); | |
181888fb FG |
161 | if (m_line_break_enabled) |
162 | os << "\n"; | |
7c673cae FG |
163 | m_ss.clear(); |
164 | m_ss.str(""); | |
165 | } | |
166 | ||
167 | void JSONFormatter::reset() | |
168 | { | |
169 | m_stack.clear(); | |
170 | m_ss.clear(); | |
171 | m_ss.str(""); | |
172 | m_pending_string.clear(); | |
173 | m_pending_string.str(""); | |
174 | } | |
175 | ||
176 | void JSONFormatter::print_comma(json_formatter_stack_entry_d& entry) | |
177 | { | |
178 | if (entry.size) { | |
179 | if (m_pretty) { | |
180 | m_ss << ",\n"; | |
181 | for (unsigned i = 1; i < m_stack.size(); i++) | |
182 | m_ss << " "; | |
183 | } else { | |
184 | m_ss << ","; | |
185 | } | |
186 | } else if (m_pretty) { | |
187 | m_ss << "\n"; | |
188 | for (unsigned i = 1; i < m_stack.size(); i++) | |
189 | m_ss << " "; | |
190 | } | |
191 | if (m_pretty && entry.is_array) | |
192 | m_ss << " "; | |
193 | } | |
194 | ||
11fdf7f2 | 195 | void JSONFormatter::print_quoted_string(std::string_view s) |
7c673cae | 196 | { |
11fdf7f2 | 197 | m_ss << '\"' << json_stream_escaper(s) << '\"'; |
7c673cae FG |
198 | } |
199 | ||
9f95a23c | 200 | void JSONFormatter::print_name(std::string_view name) |
7c673cae FG |
201 | { |
202 | finish_pending_string(); | |
203 | if (m_stack.empty()) | |
204 | return; | |
205 | struct json_formatter_stack_entry_d& entry = m_stack.back(); | |
206 | print_comma(entry); | |
207 | if (!entry.is_array) { | |
208 | if (m_pretty) { | |
209 | m_ss << " "; | |
210 | } | |
211 | m_ss << "\"" << name << "\""; | |
212 | if (m_pretty) | |
213 | m_ss << ": "; | |
214 | else | |
215 | m_ss << ':'; | |
216 | } | |
217 | ++entry.size; | |
218 | } | |
219 | ||
9f95a23c | 220 | void JSONFormatter::open_section(std::string_view name, const char *ns, bool is_array) |
7c673cae | 221 | { |
11fdf7f2 TL |
222 | if (handle_open_section(name, ns, is_array)) { |
223 | return; | |
224 | } | |
225 | if (ns) { | |
226 | std::ostringstream oss; | |
227 | oss << name << " " << ns; | |
228 | print_name(oss.str().c_str()); | |
229 | } else { | |
230 | print_name(name); | |
231 | } | |
7c673cae FG |
232 | if (is_array) |
233 | m_ss << '['; | |
234 | else | |
235 | m_ss << '{'; | |
236 | ||
237 | json_formatter_stack_entry_d n; | |
238 | n.is_array = is_array; | |
239 | m_stack.push_back(n); | |
240 | } | |
241 | ||
9f95a23c | 242 | void JSONFormatter::open_array_section(std::string_view name) |
7c673cae | 243 | { |
11fdf7f2 | 244 | open_section(name, nullptr, true); |
7c673cae FG |
245 | } |
246 | ||
9f95a23c | 247 | void JSONFormatter::open_array_section_in_ns(std::string_view name, const char *ns) |
7c673cae | 248 | { |
11fdf7f2 | 249 | open_section(name, ns, true); |
7c673cae FG |
250 | } |
251 | ||
9f95a23c | 252 | void JSONFormatter::open_object_section(std::string_view name) |
7c673cae | 253 | { |
11fdf7f2 | 254 | open_section(name, nullptr, false); |
7c673cae FG |
255 | } |
256 | ||
9f95a23c | 257 | void JSONFormatter::open_object_section_in_ns(std::string_view name, const char *ns) |
7c673cae | 258 | { |
11fdf7f2 | 259 | open_section(name, ns, false); |
7c673cae FG |
260 | } |
261 | ||
262 | void JSONFormatter::close_section() | |
263 | { | |
11fdf7f2 TL |
264 | |
265 | if (handle_close_section()) { | |
266 | return; | |
267 | } | |
268 | ceph_assert(!m_stack.empty()); | |
7c673cae FG |
269 | finish_pending_string(); |
270 | ||
271 | struct json_formatter_stack_entry_d& entry = m_stack.back(); | |
272 | if (m_pretty && entry.size) { | |
273 | m_ss << "\n"; | |
274 | for (unsigned i = 1; i < m_stack.size(); i++) | |
275 | m_ss << " "; | |
276 | } | |
277 | m_ss << (entry.is_array ? ']' : '}'); | |
278 | m_stack.pop_back(); | |
279 | if (m_pretty && m_stack.empty()) | |
280 | m_ss << "\n"; | |
281 | } | |
282 | ||
283 | void JSONFormatter::finish_pending_string() | |
284 | { | |
285 | if (m_is_pending_string) { | |
7c673cae | 286 | m_is_pending_string = false; |
11fdf7f2 TL |
287 | add_value(m_pending_name.c_str(), m_pending_string.str(), true); |
288 | m_pending_string.str(""); | |
7c673cae FG |
289 | } |
290 | } | |
291 | ||
11fdf7f2 | 292 | template <class T> |
9f95a23c | 293 | void JSONFormatter::add_value(std::string_view name, T val) |
11fdf7f2 TL |
294 | { |
295 | std::stringstream ss; | |
296 | ss.precision(std::numeric_limits<T>::max_digits10); | |
297 | ss << val; | |
298 | add_value(name, ss.str(), false); | |
299 | } | |
300 | ||
9f95a23c | 301 | void JSONFormatter::add_value(std::string_view name, std::string_view val, bool quoted) |
7c673cae | 302 | { |
11fdf7f2 TL |
303 | if (handle_value(name, val, quoted)) { |
304 | return; | |
305 | } | |
7c673cae | 306 | print_name(name); |
11fdf7f2 TL |
307 | if (!quoted) { |
308 | m_ss << val; | |
309 | } else { | |
310 | print_quoted_string(val); | |
311 | } | |
312 | } | |
313 | ||
9f95a23c | 314 | void JSONFormatter::dump_unsigned(std::string_view name, uint64_t u) |
11fdf7f2 TL |
315 | { |
316 | add_value(name, u); | |
7c673cae FG |
317 | } |
318 | ||
9f95a23c | 319 | void JSONFormatter::dump_int(std::string_view name, int64_t s) |
7c673cae | 320 | { |
11fdf7f2 | 321 | add_value(name, s); |
7c673cae FG |
322 | } |
323 | ||
9f95a23c | 324 | void JSONFormatter::dump_float(std::string_view name, double d) |
7c673cae | 325 | { |
11fdf7f2 | 326 | add_value(name, d); |
7c673cae FG |
327 | } |
328 | ||
9f95a23c | 329 | void JSONFormatter::dump_string(std::string_view name, std::string_view s) |
7c673cae | 330 | { |
11fdf7f2 | 331 | add_value(name, s, true); |
7c673cae FG |
332 | } |
333 | ||
9f95a23c | 334 | std::ostream& JSONFormatter::dump_stream(std::string_view name) |
7c673cae | 335 | { |
11fdf7f2 TL |
336 | finish_pending_string(); |
337 | m_pending_name = name; | |
7c673cae FG |
338 | m_is_pending_string = true; |
339 | return m_pending_string; | |
340 | } | |
341 | ||
9f95a23c | 342 | void JSONFormatter::dump_format_va(std::string_view name, const char *ns, bool quoted, const char *fmt, va_list ap) |
7c673cae FG |
343 | { |
344 | char buf[LARGE_SIZE]; | |
345 | vsnprintf(buf, LARGE_SIZE, fmt, ap); | |
346 | ||
11fdf7f2 | 347 | add_value(name, buf, quoted); |
7c673cae FG |
348 | } |
349 | ||
350 | int JSONFormatter::get_len() const | |
351 | { | |
352 | return m_ss.str().size(); | |
353 | } | |
354 | ||
355 | void JSONFormatter::write_raw_data(const char *data) | |
356 | { | |
357 | m_ss << data; | |
358 | } | |
359 | ||
360 | const char *XMLFormatter::XML_1_DTD = | |
361 | "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"; | |
362 | ||
363 | XMLFormatter::XMLFormatter(bool pretty, bool lowercased, bool underscored) | |
364 | : m_pretty(pretty), | |
365 | m_lowercased(lowercased), | |
366 | m_underscored(underscored) | |
367 | { | |
368 | reset(); | |
369 | } | |
370 | ||
371 | void XMLFormatter::flush(std::ostream& os) | |
372 | { | |
373 | finish_pending_string(); | |
374 | std::string m_ss_str = m_ss.str(); | |
375 | os << m_ss_str; | |
376 | /* There is a small catch here. If the rest of the formatter had NO output, | |
377 | * we should NOT output a newline. This primarily triggers on HTTP redirects */ | |
378 | if (m_pretty && !m_ss_str.empty()) | |
379 | os << "\n"; | |
181888fb FG |
380 | else if (m_line_break_enabled) |
381 | os << "\n"; | |
7c673cae FG |
382 | m_ss.clear(); |
383 | m_ss.str(""); | |
384 | } | |
385 | ||
386 | void XMLFormatter::reset() | |
387 | { | |
388 | m_ss.clear(); | |
389 | m_ss.str(""); | |
390 | m_pending_string.clear(); | |
391 | m_pending_string.str(""); | |
392 | m_sections.clear(); | |
393 | m_pending_string_name.clear(); | |
394 | m_header_done = false; | |
395 | } | |
396 | ||
397 | void XMLFormatter::output_header() | |
398 | { | |
399 | if(!m_header_done) { | |
400 | m_header_done = true; | |
11fdf7f2 | 401 | write_raw_data(XMLFormatter::XML_1_DTD); |
7c673cae FG |
402 | if (m_pretty) |
403 | m_ss << "\n"; | |
404 | } | |
405 | } | |
406 | ||
407 | void XMLFormatter::output_footer() | |
408 | { | |
409 | while(!m_sections.empty()) { | |
410 | close_section(); | |
411 | } | |
412 | } | |
413 | ||
9f95a23c | 414 | void XMLFormatter::open_object_section(std::string_view name) |
7c673cae FG |
415 | { |
416 | open_section_in_ns(name, NULL, NULL); | |
417 | } | |
418 | ||
9f95a23c | 419 | void XMLFormatter::open_object_section_with_attrs(std::string_view name, const FormatterAttrs& attrs) |
7c673cae FG |
420 | { |
421 | open_section_in_ns(name, NULL, &attrs); | |
422 | } | |
423 | ||
9f95a23c | 424 | void XMLFormatter::open_object_section_in_ns(std::string_view name, const char *ns) |
7c673cae FG |
425 | { |
426 | open_section_in_ns(name, ns, NULL); | |
427 | } | |
428 | ||
9f95a23c | 429 | void XMLFormatter::open_array_section(std::string_view name) |
7c673cae FG |
430 | { |
431 | open_section_in_ns(name, NULL, NULL); | |
432 | } | |
433 | ||
9f95a23c | 434 | void XMLFormatter::open_array_section_with_attrs(std::string_view name, const FormatterAttrs& attrs) |
7c673cae FG |
435 | { |
436 | open_section_in_ns(name, NULL, &attrs); | |
437 | } | |
438 | ||
9f95a23c | 439 | void XMLFormatter::open_array_section_in_ns(std::string_view name, const char *ns) |
7c673cae FG |
440 | { |
441 | open_section_in_ns(name, ns, NULL); | |
442 | } | |
443 | ||
444 | void XMLFormatter::close_section() | |
445 | { | |
11fdf7f2 | 446 | ceph_assert(!m_sections.empty()); |
7c673cae FG |
447 | finish_pending_string(); |
448 | ||
449 | std::string section = m_sections.back(); | |
450 | std::transform(section.begin(), section.end(), section.begin(), | |
451 | [this](char c) { return this->to_lower_underscore(c); }); | |
452 | m_sections.pop_back(); | |
453 | print_spaces(); | |
454 | m_ss << "</" << section << ">"; | |
455 | if (m_pretty) | |
456 | m_ss << "\n"; | |
457 | } | |
458 | ||
11fdf7f2 | 459 | template <class T> |
9f95a23c | 460 | void XMLFormatter::add_value(std::string_view name, T val) |
7c673cae FG |
461 | { |
462 | std::string e(name); | |
463 | std::transform(e.begin(), e.end(), e.begin(), | |
464 | [this](char c) { return this->to_lower_underscore(c); }); | |
465 | ||
466 | print_spaces(); | |
11fdf7f2 TL |
467 | m_ss.precision(std::numeric_limits<T>::max_digits10); |
468 | m_ss << "<" << e << ">" << val << "</" << e << ">"; | |
7c673cae FG |
469 | if (m_pretty) |
470 | m_ss << "\n"; | |
471 | } | |
472 | ||
9f95a23c | 473 | void XMLFormatter::dump_unsigned(std::string_view name, uint64_t u) |
7c673cae | 474 | { |
11fdf7f2 TL |
475 | add_value(name, u); |
476 | } | |
7c673cae | 477 | |
9f95a23c | 478 | void XMLFormatter::dump_int(std::string_view name, int64_t s) |
11fdf7f2 TL |
479 | { |
480 | add_value(name, s); | |
7c673cae FG |
481 | } |
482 | ||
9f95a23c | 483 | void XMLFormatter::dump_float(std::string_view name, double d) |
7c673cae | 484 | { |
11fdf7f2 | 485 | add_value(name, d); |
7c673cae FG |
486 | } |
487 | ||
9f95a23c | 488 | void XMLFormatter::dump_string(std::string_view name, std::string_view s) |
7c673cae FG |
489 | { |
490 | std::string e(name); | |
491 | std::transform(e.begin(), e.end(), e.begin(), | |
492 | [this](char c) { return this->to_lower_underscore(c); }); | |
493 | ||
494 | print_spaces(); | |
11fdf7f2 | 495 | m_ss << "<" << e << ">" << xml_stream_escaper(s) << "</" << e << ">"; |
7c673cae FG |
496 | if (m_pretty) |
497 | m_ss << "\n"; | |
498 | } | |
499 | ||
9f95a23c | 500 | void XMLFormatter::dump_string_with_attrs(std::string_view name, std::string_view s, const FormatterAttrs& attrs) |
7c673cae FG |
501 | { |
502 | std::string e(name); | |
503 | std::transform(e.begin(), e.end(), e.begin(), | |
504 | [this](char c) { return this->to_lower_underscore(c); }); | |
505 | ||
506 | std::string attrs_str; | |
507 | get_attrs_str(&attrs, attrs_str); | |
508 | print_spaces(); | |
11fdf7f2 | 509 | m_ss << "<" << e << attrs_str << ">" << xml_stream_escaper(s) << "</" << e << ">"; |
7c673cae FG |
510 | if (m_pretty) |
511 | m_ss << "\n"; | |
512 | } | |
513 | ||
9f95a23c | 514 | std::ostream& XMLFormatter::dump_stream(std::string_view name) |
7c673cae FG |
515 | { |
516 | print_spaces(); | |
517 | m_pending_string_name = name; | |
518 | m_ss << "<" << m_pending_string_name << ">"; | |
519 | return m_pending_string; | |
520 | } | |
521 | ||
9f95a23c | 522 | void XMLFormatter::dump_format_va(std::string_view name, const char *ns, bool quoted, const char *fmt, va_list ap) |
7c673cae FG |
523 | { |
524 | char buf[LARGE_SIZE]; | |
11fdf7f2 | 525 | size_t len = vsnprintf(buf, LARGE_SIZE, fmt, ap); |
7c673cae FG |
526 | std::string e(name); |
527 | std::transform(e.begin(), e.end(), e.begin(), | |
528 | [this](char c) { return this->to_lower_underscore(c); }); | |
529 | ||
530 | print_spaces(); | |
531 | if (ns) { | |
9f95a23c | 532 | m_ss << "<" << e << " xmlns=\"" << ns << "\">" << xml_stream_escaper(std::string_view(buf, len)) << "</" << e << ">"; |
7c673cae | 533 | } else { |
11fdf7f2 | 534 | m_ss << "<" << e << ">" << xml_stream_escaper(std::string_view(buf, len)) << "</" << e << ">"; |
7c673cae FG |
535 | } |
536 | ||
537 | if (m_pretty) | |
538 | m_ss << "\n"; | |
539 | } | |
540 | ||
541 | int XMLFormatter::get_len() const | |
542 | { | |
543 | return m_ss.str().size(); | |
544 | } | |
545 | ||
546 | void XMLFormatter::write_raw_data(const char *data) | |
547 | { | |
548 | m_ss << data; | |
549 | } | |
550 | ||
f67539c2 TL |
551 | void XMLFormatter::write_bin_data(const char* buff, int buf_len) |
552 | { | |
553 | std::stringbuf *pbuf = m_ss.rdbuf(); | |
554 | pbuf->sputn(buff, buf_len); | |
555 | m_ss.seekg(buf_len); | |
556 | } | |
557 | ||
7c673cae FG |
558 | void XMLFormatter::get_attrs_str(const FormatterAttrs *attrs, std::string& attrs_str) |
559 | { | |
560 | std::stringstream attrs_ss; | |
561 | ||
562 | for (std::list<std::pair<std::string, std::string> >::const_iterator iter = attrs->attrs.begin(); | |
563 | iter != attrs->attrs.end(); ++iter) { | |
564 | std::pair<std::string, std::string> p = *iter; | |
565 | attrs_ss << " " << p.first << "=" << "\"" << p.second << "\""; | |
566 | } | |
567 | ||
568 | attrs_str = attrs_ss.str(); | |
569 | } | |
570 | ||
9f95a23c | 571 | void XMLFormatter::open_section_in_ns(std::string_view name, const char *ns, const FormatterAttrs *attrs) |
7c673cae FG |
572 | { |
573 | print_spaces(); | |
574 | std::string attrs_str; | |
575 | ||
576 | if (attrs) { | |
577 | get_attrs_str(attrs, attrs_str); | |
578 | } | |
579 | ||
580 | std::string e(name); | |
581 | std::transform(e.begin(), e.end(), e.begin(), | |
582 | [this](char c) { return this->to_lower_underscore(c); }); | |
583 | ||
584 | if (ns) { | |
585 | m_ss << "<" << e << attrs_str << " xmlns=\"" << ns << "\">"; | |
586 | } else { | |
587 | m_ss << "<" << e << attrs_str << ">"; | |
588 | } | |
589 | if (m_pretty) | |
590 | m_ss << "\n"; | |
9f95a23c | 591 | m_sections.push_back(std::string(name)); |
7c673cae FG |
592 | } |
593 | ||
594 | void XMLFormatter::finish_pending_string() | |
595 | { | |
596 | if (!m_pending_string_name.empty()) { | |
11fdf7f2 | 597 | m_ss << xml_stream_escaper(m_pending_string.str()) |
7c673cae FG |
598 | << "</" << m_pending_string_name << ">"; |
599 | m_pending_string_name.clear(); | |
600 | m_pending_string.str(std::string()); | |
601 | if (m_pretty) { | |
602 | m_ss << "\n"; | |
603 | } | |
604 | } | |
605 | } | |
606 | ||
607 | void XMLFormatter::print_spaces() | |
608 | { | |
609 | finish_pending_string(); | |
610 | if (m_pretty) { | |
611 | std::string spaces(m_sections.size(), ' '); | |
612 | m_ss << spaces; | |
613 | } | |
614 | } | |
615 | ||
7c673cae FG |
616 | char XMLFormatter::to_lower_underscore(char c) const |
617 | { | |
618 | if (m_underscored && c == ' ') { | |
619 | return '_'; | |
620 | } else if (m_lowercased) { | |
621 | return std::tolower(c); | |
622 | } | |
623 | return c; | |
624 | } | |
625 | ||
626 | TableFormatter::TableFormatter(bool keyval) : m_keyval(keyval) | |
627 | { | |
628 | reset(); | |
629 | } | |
630 | ||
631 | void TableFormatter::flush(std::ostream& os) | |
632 | { | |
633 | finish_pending_string(); | |
634 | std::vector<size_t> column_size = m_column_size; | |
635 | std::vector<std::string> column_name = m_column_name; | |
636 | ||
637 | std::set<int> need_header_set; | |
638 | ||
639 | // auto-sizing columns | |
640 | for (size_t i = 0; i < m_vec.size(); i++) { | |
641 | for (size_t j = 0; j < m_vec[i].size(); j++) { | |
642 | column_size.resize(m_vec[i].size()); | |
643 | column_name.resize(m_vec[i].size()); | |
644 | if (i > 0) { | |
645 | if (m_vec[i - 1][j] != m_vec[i][j]) { | |
646 | // changing row labels require to show the header | |
647 | need_header_set.insert(i); | |
648 | column_name[i] = m_vec[i][j].first; | |
649 | } | |
650 | } else { | |
651 | column_name[i] = m_vec[i][j].first; | |
652 | } | |
653 | ||
654 | if (m_vec[i][j].second.length() > column_size[j]) | |
655 | column_size[j] = m_vec[i][j].second.length(); | |
656 | if (m_vec[i][j].first.length() > column_size[j]) | |
657 | column_size[j] = m_vec[i][j].first.length(); | |
658 | } | |
659 | } | |
660 | ||
661 | bool need_header = false; | |
662 | if ((column_size.size() == m_column_size.size())) { | |
663 | for (size_t i = 0; i < column_size.size(); i++) { | |
664 | if (column_size[i] != m_column_size[i]) { | |
665 | need_header = true; | |
666 | break; | |
667 | } | |
668 | } | |
669 | } else { | |
670 | need_header = true; | |
671 | } | |
672 | ||
673 | if (need_header) { | |
674 | // first row always needs a header if there wasn't one before | |
675 | need_header_set.insert(0); | |
676 | } | |
677 | ||
678 | m_column_size = column_size; | |
679 | for (size_t i = 0; i < m_vec.size(); i++) { | |
680 | if (i == 0) { | |
681 | if (need_header_set.count(i)) { | |
682 | // print the header | |
683 | if (!m_keyval) { | |
684 | os << "+"; | |
685 | for (size_t j = 0; j < m_vec[i].size(); j++) { | |
686 | for (size_t v = 0; v < m_column_size[j] + 3; v++) | |
687 | os << "-"; | |
688 | os << "+"; | |
689 | } | |
690 | os << "\n"; | |
691 | os << "|"; | |
692 | ||
693 | for (size_t j = 0; j < m_vec[i].size(); j++) { | |
f67539c2 TL |
694 | os << fmt::format(" {:<{}}|", |
695 | m_vec[i][j].first, m_column_size[j] + 2); | |
7c673cae FG |
696 | } |
697 | os << "\n"; | |
698 | os << "+"; | |
699 | for (size_t j = 0; j < m_vec[i].size(); j++) { | |
700 | for (size_t v = 0; v < m_column_size[j] + 3; v++) | |
701 | os << "-"; | |
702 | os << "+"; | |
703 | } | |
704 | os << "\n"; | |
705 | } | |
706 | } | |
707 | } | |
708 | // print body | |
709 | if (!m_keyval) | |
710 | os << "|"; | |
711 | for (size_t j = 0; j < m_vec[i].size(); j++) { | |
712 | if (!m_keyval) | |
713 | os << " "; | |
7c673cae FG |
714 | if (m_keyval) { |
715 | os << "key::"; | |
716 | os << m_vec[i][j].first; | |
717 | os << "="; | |
718 | os << "\""; | |
719 | os << m_vec[i][j].second; | |
720 | os << "\" "; | |
721 | } else { | |
f67539c2 | 722 | os << fmt::format("{:<{}}|", m_vec[i][j].second, m_column_size[j] + 2); |
7c673cae FG |
723 | } |
724 | } | |
725 | ||
726 | os << "\n"; | |
727 | if (!m_keyval) { | |
728 | if (i == (m_vec.size() - 1)) { | |
729 | // print trailer | |
730 | os << "+"; | |
731 | for (size_t j = 0; j < m_vec[i].size(); j++) { | |
732 | for (size_t v = 0; v < m_column_size[j] + 3; v++) | |
733 | os << "-"; | |
734 | os << "+"; | |
735 | } | |
736 | os << "\n"; | |
737 | } | |
738 | } | |
739 | m_vec[i].clear(); | |
740 | } | |
741 | m_vec.clear(); | |
742 | } | |
743 | ||
744 | void TableFormatter::reset() | |
745 | { | |
746 | m_ss.clear(); | |
747 | m_ss.str(""); | |
748 | m_section_cnt.clear(); | |
749 | m_column_size.clear(); | |
750 | m_section_open = 0; | |
751 | } | |
752 | ||
9f95a23c | 753 | void TableFormatter::open_object_section(std::string_view name) |
7c673cae FG |
754 | { |
755 | open_section_in_ns(name, NULL, NULL); | |
756 | } | |
757 | ||
9f95a23c | 758 | void TableFormatter::open_object_section_with_attrs(std::string_view name, const FormatterAttrs& attrs) |
7c673cae FG |
759 | { |
760 | open_section_in_ns(name, NULL, NULL); | |
761 | } | |
762 | ||
9f95a23c | 763 | void TableFormatter::open_object_section_in_ns(std::string_view name, const char *ns) |
7c673cae FG |
764 | { |
765 | open_section_in_ns(name, NULL, NULL); | |
766 | } | |
767 | ||
9f95a23c | 768 | void TableFormatter::open_array_section(std::string_view name) |
7c673cae FG |
769 | { |
770 | open_section_in_ns(name, NULL, NULL); | |
771 | } | |
772 | ||
9f95a23c | 773 | void TableFormatter::open_array_section_with_attrs(std::string_view name, const FormatterAttrs& attrs) |
7c673cae FG |
774 | { |
775 | open_section_in_ns(name, NULL, NULL); | |
776 | } | |
777 | ||
9f95a23c | 778 | void TableFormatter::open_array_section_in_ns(std::string_view name, const char *ns) |
7c673cae FG |
779 | { |
780 | open_section_in_ns(name, NULL, NULL); | |
781 | } | |
782 | ||
9f95a23c | 783 | void TableFormatter::open_section_in_ns(std::string_view name, const char *ns, const FormatterAttrs *attrs) |
7c673cae | 784 | { |
9f95a23c | 785 | m_section.push_back(std::string(name)); |
7c673cae FG |
786 | m_section_open++; |
787 | } | |
788 | ||
789 | void TableFormatter::close_section() | |
790 | { | |
791 | // | |
792 | m_section_open--; | |
793 | if (m_section.size()) { | |
794 | m_section_cnt[m_section.back()] = 0; | |
795 | m_section.pop_back(); | |
796 | } | |
797 | } | |
798 | ||
9f95a23c | 799 | size_t TableFormatter::m_vec_index(std::string_view name) |
7c673cae FG |
800 | { |
801 | std::string key(name); | |
802 | ||
803 | size_t i = m_vec.size(); | |
804 | if (i) | |
805 | i--; | |
806 | ||
807 | // make sure there are vectors to push back key/val pairs | |
808 | if (!m_vec.size()) | |
809 | m_vec.resize(1); | |
810 | ||
811 | if (m_vec.size()) { | |
812 | if (m_vec[i].size()) { | |
813 | if (m_vec[i][0].first == key) { | |
814 | // start a new column if a key is repeated | |
815 | m_vec.resize(m_vec.size() + 1); | |
816 | i++; | |
817 | } | |
818 | } | |
819 | } | |
820 | ||
821 | return i; | |
822 | } | |
823 | ||
9f95a23c | 824 | std::string TableFormatter::get_section_name(std::string_view name) |
7c673cae | 825 | { |
9f95a23c | 826 | std::string t_name{name}; |
7c673cae FG |
827 | for (size_t i = 0; i < m_section.size(); i++) { |
828 | t_name.insert(0, ":"); | |
829 | t_name.insert(0, m_section[i]); | |
830 | } | |
831 | if (m_section_open) { | |
832 | std::stringstream lss; | |
833 | lss << t_name; | |
834 | lss << "["; | |
835 | lss << m_section_cnt[t_name]++; | |
836 | lss << "]"; | |
837 | return lss.str(); | |
838 | } else { | |
839 | return t_name; | |
840 | } | |
841 | } | |
842 | ||
11fdf7f2 | 843 | template <class T> |
9f95a23c | 844 | void TableFormatter::add_value(std::string_view name, T val) { |
7c673cae FG |
845 | finish_pending_string(); |
846 | size_t i = m_vec_index(name); | |
11fdf7f2 TL |
847 | m_ss.precision(std::numeric_limits<double>::max_digits10); |
848 | m_ss << val; | |
849 | ||
7c673cae FG |
850 | m_vec[i].push_back(std::make_pair(get_section_name(name), m_ss.str())); |
851 | m_ss.clear(); | |
852 | m_ss.str(""); | |
853 | } | |
854 | ||
9f95a23c | 855 | void TableFormatter::dump_unsigned(std::string_view name, uint64_t u) |
7c673cae | 856 | { |
11fdf7f2 | 857 | add_value(name, u); |
7c673cae FG |
858 | } |
859 | ||
9f95a23c | 860 | void TableFormatter::dump_int(std::string_view name, int64_t s) |
7c673cae | 861 | { |
11fdf7f2 TL |
862 | add_value(name, s); |
863 | } | |
7c673cae | 864 | |
9f95a23c | 865 | void TableFormatter::dump_float(std::string_view name, double d) |
11fdf7f2 TL |
866 | { |
867 | add_value(name, d); | |
7c673cae FG |
868 | } |
869 | ||
9f95a23c | 870 | void TableFormatter::dump_string(std::string_view name, std::string_view s) |
7c673cae FG |
871 | { |
872 | finish_pending_string(); | |
873 | size_t i = m_vec_index(name); | |
874 | m_ss << s; | |
875 | ||
876 | m_vec[i].push_back(std::make_pair(get_section_name(name), m_ss.str())); | |
877 | m_ss.clear(); | |
878 | m_ss.str(""); | |
879 | } | |
880 | ||
9f95a23c | 881 | void TableFormatter::dump_string_with_attrs(std::string_view name, std::string_view s, const FormatterAttrs& attrs) |
7c673cae FG |
882 | { |
883 | finish_pending_string(); | |
884 | size_t i = m_vec_index(name); | |
885 | ||
886 | std::string attrs_str; | |
887 | get_attrs_str(&attrs, attrs_str); | |
888 | m_ss << attrs_str << s; | |
889 | ||
890 | m_vec[i].push_back(std::make_pair(get_section_name(name), m_ss.str())); | |
891 | m_ss.clear(); | |
892 | m_ss.str(""); | |
893 | } | |
894 | ||
9f95a23c TL |
895 | void TableFormatter::dump_format_va(std::string_view name, |
896 | const char *ns, bool quoted, | |
897 | const char *fmt, va_list ap) | |
7c673cae FG |
898 | { |
899 | finish_pending_string(); | |
900 | char buf[LARGE_SIZE]; | |
901 | vsnprintf(buf, LARGE_SIZE, fmt, ap); | |
902 | ||
903 | size_t i = m_vec_index(name); | |
904 | if (ns) { | |
905 | m_ss << ns << "." << buf; | |
906 | } else | |
907 | m_ss << buf; | |
908 | ||
909 | m_vec[i].push_back(std::make_pair(get_section_name(name), m_ss.str())); | |
910 | m_ss.clear(); | |
911 | m_ss.str(""); | |
912 | } | |
913 | ||
9f95a23c | 914 | std::ostream& TableFormatter::dump_stream(std::string_view name) |
7c673cae FG |
915 | { |
916 | finish_pending_string(); | |
917 | // we don't support this | |
918 | m_pending_name = name; | |
919 | return m_ss; | |
920 | } | |
921 | ||
922 | int TableFormatter::get_len() const | |
923 | { | |
924 | // we don't know the size until flush is called | |
925 | return 0; | |
926 | } | |
927 | ||
928 | void TableFormatter::write_raw_data(const char *data) { | |
929 | // not supported | |
930 | } | |
931 | ||
932 | void TableFormatter::get_attrs_str(const FormatterAttrs *attrs, std::string& attrs_str) | |
933 | { | |
934 | std::stringstream attrs_ss; | |
935 | ||
936 | for (std::list<std::pair<std::string, std::string> >::const_iterator iter = attrs->attrs.begin(); | |
937 | iter != attrs->attrs.end(); ++iter) { | |
938 | std::pair<std::string, std::string> p = *iter; | |
939 | attrs_ss << " " << p.first << "=" << "\"" << p.second << "\""; | |
940 | } | |
941 | ||
942 | attrs_str = attrs_ss.str(); | |
943 | } | |
944 | ||
945 | void TableFormatter::finish_pending_string() | |
946 | { | |
947 | if (m_pending_name.length()) { | |
948 | std::string ss = m_ss.str(); | |
949 | m_ss.clear(); | |
950 | m_ss.str(""); | |
951 | std::string pending_name = m_pending_name; | |
952 | m_pending_name = ""; | |
953 | dump_string(pending_name.c_str(), ss); | |
954 | } | |
955 | } | |
956 | } | |
957 |