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