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a51447c9 KS |
1 | |
2 | #if HAVE_CONFIG_H | |
3 | #include <config.h> | |
4 | #endif | |
5 | ||
5eff53a4 | 6 | #include <yaml.h> |
a51447c9 | 7 | |
95b98ba9 KS |
8 | #include <assert.h> |
9 | ||
5eff53a4 KS |
10 | YAML_DECLARE(const char *) |
11 | yaml_get_version_string(void) | |
12 | { | |
13 | return YAML_VERSION_STRING; | |
14 | } | |
15 | ||
16 | YAML_DECLARE(void) | |
17 | yaml_get_version(int *major, int *minor, int *patch) | |
18 | { | |
19 | *major = YAML_VERSION_MAJOR; | |
20 | *minor = YAML_VERSION_MINOR; | |
21 | *patch = YAML_VERSION_PATCH; | |
22 | } | |
23 | ||
95b98ba9 KS |
24 | /* |
25 | * Allocate a dynamic memory block. | |
26 | */ | |
27 | ||
f642fd11 | 28 | YAML_DECLARE(void *) |
95b98ba9 KS |
29 | yaml_malloc(size_t size) |
30 | { | |
31 | return malloc(size ? size : 1); | |
32 | } | |
33 | ||
34 | /* | |
35 | * Reallocate a dynamic memory block. | |
36 | */ | |
37 | ||
f642fd11 | 38 | YAML_DECLARE(void *) |
95b98ba9 KS |
39 | yaml_realloc(void *ptr, size_t size) |
40 | { | |
41 | return ptr ? realloc(ptr, size ? size : 1) : malloc(size ? size : 1); | |
42 | } | |
43 | ||
a51447c9 | 44 | /* |
95b98ba9 KS |
45 | * Free a dynamic memory block. |
46 | */ | |
47 | ||
f642fd11 | 48 | YAML_DECLARE(void) |
95b98ba9 KS |
49 | yaml_free(void *ptr) |
50 | { | |
51 | if (ptr) free(ptr); | |
52 | } | |
53 | ||
54 | /* | |
55 | * Create a new parser object. | |
a51447c9 KS |
56 | */ |
57 | ||
f642fd11 | 58 | YAML_DECLARE(yaml_parser_t *) |
a51447c9 KS |
59 | yaml_parser_new(void) |
60 | { | |
61 | yaml_parser_t *parser; | |
62 | ||
6eb1ded4 KS |
63 | /* Allocate the parser structure. */ |
64 | ||
95b98ba9 | 65 | parser = yaml_malloc(sizeof(yaml_parser_t)); |
f2b59d4d | 66 | if (!parser) goto error; |
a51447c9 KS |
67 | |
68 | memset(parser, 0, sizeof(yaml_parser_t)); | |
69 | ||
6eb1ded4 KS |
70 | /* Allocate the raw buffer. */ |
71 | ||
72 | parser->raw_buffer = yaml_malloc(YAML_RAW_BUFFER_SIZE); | |
f2b59d4d KS |
73 | if (!parser->raw_buffer) goto error; |
74 | memset(parser->raw_buffer, 0, YAML_RAW_BUFFER_SIZE); | |
75 | ||
6eb1ded4 KS |
76 | parser->raw_pointer = parser->raw_buffer; |
77 | parser->raw_unread = 0; | |
78 | ||
79 | /* Allocate the character buffer. */ | |
80 | ||
81 | parser->buffer = yaml_malloc(YAML_BUFFER_SIZE); | |
f2b59d4d KS |
82 | if (!parser->buffer) goto error; |
83 | memset(parser->buffer, 0, YAML_BUFFER_SIZE); | |
84 | ||
6eb1ded4 KS |
85 | parser->buffer_end = parser->buffer; |
86 | parser->pointer = parser->buffer; | |
87 | parser->unread = 0; | |
88 | ||
f2b59d4d KS |
89 | /* Allocate the tokens queue. */ |
90 | ||
91 | parser->tokens = yaml_malloc(YAML_DEFAULT_SIZE*sizeof(yaml_token_t *)); | |
92 | if (!parser->tokens) goto error; | |
93 | memset(parser->tokens, 0, YAML_DEFAULT_SIZE*sizeof(yaml_token_t *)); | |
94 | ||
95 | parser->tokens_size = YAML_DEFAULT_SIZE; | |
96 | parser->tokens_head = 0; | |
97 | parser->tokens_tail = 0; | |
98 | parser->tokens_parsed = 0; | |
99 | ||
100 | /* Allocate the indents stack. */ | |
101 | ||
102 | parser->indents = yaml_malloc(YAML_DEFAULT_SIZE*sizeof(int)); | |
103 | if (!parser->indents) goto error; | |
104 | memset(parser->indents, 0, YAML_DEFAULT_SIZE*sizeof(int)); | |
105 | ||
106 | parser->indents_size = YAML_DEFAULT_SIZE; | |
107 | parser->indents_length = 0; | |
108 | ||
109 | /* Allocate the stack of potential simple keys. */ | |
110 | ||
111 | parser->simple_keys = yaml_malloc(YAML_DEFAULT_SIZE*sizeof(yaml_simple_key_t *)); | |
112 | if (!parser->simple_keys) goto error; | |
113 | memset(parser->simple_keys, 0, YAML_DEFAULT_SIZE*sizeof(yaml_simple_key_t *)); | |
114 | ||
115 | parser->simple_keys_size = YAML_DEFAULT_SIZE; | |
116 | ||
117 | /* Done. */ | |
118 | ||
a51447c9 | 119 | return parser; |
f2b59d4d KS |
120 | |
121 | /* On error, free allocated buffers. */ | |
122 | ||
123 | error: | |
124 | ||
125 | if (!parser) return NULL; | |
126 | ||
127 | yaml_free(parser->simple_keys); | |
128 | yaml_free(parser->indents); | |
129 | yaml_free(parser->tokens); | |
130 | yaml_free(parser->buffer); | |
131 | yaml_free(parser->raw_buffer); | |
132 | ||
133 | yaml_free(parser); | |
134 | ||
135 | return NULL; | |
a51447c9 KS |
136 | } |
137 | ||
138 | /* | |
139 | * Destroy a parser object. | |
140 | */ | |
141 | ||
f642fd11 | 142 | YAML_DECLARE(void) |
a51447c9 KS |
143 | yaml_parser_delete(yaml_parser_t *parser) |
144 | { | |
95b98ba9 KS |
145 | assert(parser); /* Non-NULL parser object expected. */ |
146 | ||
f2b59d4d KS |
147 | yaml_free(parser->simple_keys); |
148 | yaml_free(parser->indents); | |
149 | yaml_free(parser->tokens); | |
95b98ba9 | 150 | yaml_free(parser->buffer); |
6eb1ded4 | 151 | yaml_free(parser->raw_buffer); |
95b98ba9 KS |
152 | |
153 | memset(parser, 0, sizeof(yaml_parser_t)); | |
154 | ||
155 | yaml_free(parser); | |
156 | } | |
157 | ||
158 | /* | |
6eb1ded4 | 159 | * String read handler. |
95b98ba9 KS |
160 | */ |
161 | ||
162 | static int | |
163 | yaml_string_read_handler(void *data, unsigned char *buffer, size_t size, | |
164 | size_t *size_read) | |
165 | { | |
6eb1ded4 KS |
166 | yaml_string_input_t *input = data; |
167 | ||
168 | if (input->current == input->end) { | |
169 | *size_read = 0; | |
170 | return 1; | |
171 | } | |
172 | ||
173 | if (size > (input->end - input->current)) { | |
174 | size = input->end - input->current; | |
175 | } | |
176 | ||
177 | memcpy(buffer, input->current, size); | |
178 | input->current += size; | |
179 | *size_read = size; | |
95b98ba9 KS |
180 | return 1; |
181 | } | |
182 | ||
183 | /* | |
184 | * File read handler. | |
185 | */ | |
186 | ||
187 | static int | |
188 | yaml_file_read_handler(void *data, unsigned char *buffer, size_t size, | |
189 | size_t *size_read) | |
190 | { | |
6eb1ded4 KS |
191 | *size_read = fread(buffer, 1, size, (FILE *)data); |
192 | return !ferror((FILE *)data); | |
95b98ba9 KS |
193 | } |
194 | ||
195 | /* | |
196 | * Set a string input. | |
197 | */ | |
198 | ||
f642fd11 | 199 | YAML_DECLARE(void) |
95b98ba9 KS |
200 | yaml_parser_set_input_string(yaml_parser_t *parser, |
201 | unsigned char *input, size_t size) | |
202 | { | |
203 | assert(parser); /* Non-NULL parser object expected. */ | |
6eb1ded4 | 204 | assert(!parser->read_handler); /* You can set the source only once. */ |
95b98ba9 KS |
205 | assert(input); /* Non-NULL input string expected. */ |
206 | ||
6eb1ded4 KS |
207 | parser->string_input.start = input; |
208 | parser->string_input.current = input; | |
209 | parser->string_input.end = input+size; | |
95b98ba9 | 210 | |
6eb1ded4 KS |
211 | parser->read_handler = yaml_string_read_handler; |
212 | parser->read_handler_data = &parser->string_input; | |
95b98ba9 KS |
213 | } |
214 | ||
215 | /* | |
216 | * Set a file input. | |
217 | */ | |
218 | ||
f642fd11 | 219 | YAML_DECLARE(void) |
95b98ba9 KS |
220 | yaml_parser_set_input_file(yaml_parser_t *parser, FILE *file) |
221 | { | |
222 | assert(parser); /* Non-NULL parser object expected. */ | |
6eb1ded4 | 223 | assert(!parser->read_handler); /* You can set the source only once. */ |
95b98ba9 KS |
224 | assert(file); /* Non-NULL file object expected. */ |
225 | ||
226 | parser->read_handler = yaml_file_read_handler; | |
227 | parser->read_handler_data = file; | |
228 | } | |
229 | ||
230 | /* | |
231 | * Set a generic input. | |
232 | */ | |
233 | ||
f642fd11 | 234 | YAML_DECLARE(void) |
95b98ba9 KS |
235 | yaml_parser_set_input(yaml_parser_t *parser, |
236 | yaml_read_handler_t *handler, void *data) | |
237 | { | |
238 | assert(parser); /* Non-NULL parser object expected. */ | |
6eb1ded4 | 239 | assert(!parser->read_handler); /* You can set the source only once. */ |
95b98ba9 KS |
240 | assert(handler); /* Non-NULL read handler expected. */ |
241 | ||
242 | parser->read_handler = handler; | |
6eb1ded4 | 243 | parser->read_handler_data = data; |
95b98ba9 KS |
244 | } |
245 | ||
246 | /* | |
247 | * Set the source encoding. | |
248 | */ | |
249 | ||
f642fd11 | 250 | YAML_DECLARE(void) |
95b98ba9 KS |
251 | yaml_parser_set_encoding(yaml_parser_t *parser, yaml_encoding_t encoding) |
252 | { | |
253 | assert(parser); /* Non-NULL parser object expected. */ | |
254 | assert(!parser->encoding); /* Encoding is already set or detected. */ | |
255 | ||
256 | parser->encoding = encoding; | |
a51447c9 KS |
257 | } |
258 | ||
f642fd11 KS |
259 | /* |
260 | * Create a token. | |
261 | */ | |
262 | ||
263 | YAML_DECLARE(yaml_token_t *) | |
264 | yaml_token_new(yaml_token_type_t type, | |
265 | yaml_mark_t start_mark, yaml_mark_t end_mark) | |
266 | { | |
267 | yaml_token_t *token = yaml_malloc(sizeof(yaml_token_t)); | |
268 | ||
269 | if (!token) return NULL; | |
270 | ||
271 | memset(token, 0, sizeof(yaml_token_t)); | |
272 | ||
273 | token->type = type; | |
274 | token->start_mark = start_mark; | |
275 | token->end_mark = end_mark; | |
276 | ||
277 | return token; | |
278 | } | |
279 | ||
280 | /* | |
281 | * Create a STREAM-START token. | |
282 | */ | |
283 | ||
284 | YAML_DECLARE(yaml_token_t *) | |
21fbedd4 | 285 | yaml_stream_start_token_new(yaml_encoding_t encoding, |
f642fd11 KS |
286 | yaml_mark_t start_mark, yaml_mark_t end_mark) |
287 | { | |
288 | yaml_token_t *token = yaml_token_new(YAML_STREAM_START_TOKEN, | |
289 | start_mark, end_mark); | |
290 | ||
291 | if (!token) return NULL; | |
292 | ||
26687d7d | 293 | token->data.stream_start.encoding = encoding; |
f642fd11 KS |
294 | |
295 | return token; | |
296 | } | |
297 | ||
298 | /* | |
299 | * Create a STREAM-END token. | |
300 | */ | |
301 | ||
302 | YAML_DECLARE(yaml_token_t *) | |
21fbedd4 | 303 | yaml_stream_end_token_new(yaml_mark_t start_mark, yaml_mark_t end_mark) |
f642fd11 KS |
304 | { |
305 | yaml_token_t *token = yaml_token_new(YAML_STREAM_END_TOKEN, | |
306 | start_mark, end_mark); | |
307 | ||
308 | if (!token) return NULL; | |
309 | ||
310 | return token; | |
311 | } | |
312 | ||
313 | /* | |
314 | * Create a VERSION-DIRECTIVE token. | |
315 | */ | |
316 | ||
317 | YAML_DECLARE(yaml_token_t *) | |
318 | yaml_version_directive_token_new(int major, int minor, | |
319 | yaml_mark_t start_mark, yaml_mark_t end_mark) | |
320 | { | |
321 | yaml_token_t *token = yaml_token_new(YAML_VERSION_DIRECTIVE_TOKEN, | |
322 | start_mark, end_mark); | |
323 | ||
324 | if (!token) return NULL; | |
325 | ||
326 | token->data.version_directive.major = major; | |
327 | token->data.version_directive.minor = minor; | |
328 | ||
329 | return token; | |
330 | } | |
331 | ||
332 | /* | |
333 | * Create a TAG-DIRECTIVE token. | |
334 | */ | |
335 | ||
336 | YAML_DECLARE(yaml_token_t *) | |
337 | yaml_tag_directive_token_new(yaml_char_t *handle, yaml_char_t *prefix, | |
338 | yaml_mark_t start_mark, yaml_mark_t end_mark) | |
339 | { | |
340 | yaml_token_t *token = yaml_token_new(YAML_TAG_DIRECTIVE_TOKEN, | |
341 | start_mark, end_mark); | |
342 | ||
343 | if (!token) return NULL; | |
344 | ||
345 | token->data.tag_directive.handle = handle; | |
346 | token->data.tag_directive.prefix = prefix; | |
347 | ||
348 | return token; | |
349 | } | |
350 | ||
351 | /* | |
352 | * Create an ALIAS token. | |
353 | */ | |
354 | ||
355 | YAML_DECLARE(yaml_token_t *) | |
356 | yaml_alias_token_new(yaml_char_t *anchor, | |
357 | yaml_mark_t start_mark, yaml_mark_t end_mark) | |
358 | { | |
359 | yaml_token_t *token = yaml_token_new(YAML_ALIAS_TOKEN, | |
360 | start_mark, end_mark); | |
361 | ||
362 | if (!token) return NULL; | |
363 | ||
26687d7d | 364 | token->data.alias.value = anchor; |
f642fd11 KS |
365 | |
366 | return token; | |
367 | } | |
368 | ||
369 | /* | |
370 | * Create an ANCHOR token. | |
371 | */ | |
372 | ||
373 | YAML_DECLARE(yaml_token_t *) | |
374 | yaml_anchor_token_new(yaml_char_t *anchor, | |
375 | yaml_mark_t start_mark, yaml_mark_t end_mark) | |
376 | { | |
377 | yaml_token_t *token = yaml_token_new(YAML_ANCHOR_TOKEN, | |
378 | start_mark, end_mark); | |
379 | ||
380 | if (!token) return NULL; | |
381 | ||
26687d7d | 382 | token->data.anchor.value = anchor; |
f642fd11 KS |
383 | |
384 | return token; | |
385 | } | |
386 | ||
387 | /* | |
388 | * Create a TAG token. | |
389 | */ | |
390 | ||
391 | YAML_DECLARE(yaml_token_t *) | |
392 | yaml_tag_token_new(yaml_char_t *handle, yaml_char_t *suffix, | |
393 | yaml_mark_t start_mark, yaml_mark_t end_mark) | |
394 | { | |
395 | yaml_token_t *token = yaml_token_new(YAML_TAG_TOKEN, | |
396 | start_mark, end_mark); | |
397 | ||
398 | if (!token) return NULL; | |
399 | ||
400 | token->data.tag.handle = handle; | |
401 | token->data.tag.suffix = suffix; | |
402 | ||
403 | return token; | |
404 | } | |
405 | ||
406 | /* | |
407 | * Create a SCALAR token. | |
408 | */ | |
409 | ||
410 | YAML_DECLARE(yaml_token_t *) | |
411 | yaml_scalar_token_new(yaml_char_t *value, size_t length, | |
412 | yaml_scalar_style_t style, | |
413 | yaml_mark_t start_mark, yaml_mark_t end_mark) | |
414 | { | |
415 | yaml_token_t *token = yaml_token_new(YAML_SCALAR_TOKEN, | |
416 | start_mark, end_mark); | |
417 | ||
418 | if (!token) return NULL; | |
419 | ||
420 | token->data.scalar.value = value; | |
421 | token->data.scalar.length = length; | |
422 | token->data.scalar.style = style; | |
423 | ||
424 | return token; | |
425 | } | |
426 | ||
427 | /* | |
428 | * Destroy a token object. | |
429 | */ | |
430 | ||
431 | YAML_DECLARE(void) | |
432 | yaml_token_delete(yaml_token_t *token) | |
433 | { | |
434 | assert(token); /* Non-NULL token object expected. */ | |
435 | ||
436 | switch (token->type) | |
437 | { | |
438 | case YAML_TAG_DIRECTIVE_TOKEN: | |
439 | yaml_free(token->data.tag_directive.handle); | |
440 | yaml_free(token->data.tag_directive.prefix); | |
441 | break; | |
442 | ||
443 | case YAML_ALIAS_TOKEN: | |
26687d7d KS |
444 | yaml_free(token->data.alias.value); |
445 | break; | |
446 | ||
f642fd11 | 447 | case YAML_ANCHOR_TOKEN: |
26687d7d | 448 | yaml_free(token->data.anchor.value); |
f642fd11 KS |
449 | break; |
450 | ||
451 | case YAML_TAG_TOKEN: | |
452 | yaml_free(token->data.tag.handle); | |
453 | yaml_free(token->data.tag.suffix); | |
454 | break; | |
455 | ||
456 | case YAML_SCALAR_TOKEN: | |
457 | yaml_free(token->data.scalar.value); | |
458 | break; | |
459 | } | |
460 | ||
461 | memset(token, 0, sizeof(yaml_token_t)); | |
462 | ||
463 | yaml_free(token); | |
464 | } | |
465 | ||
26687d7d KS |
466 | /* |
467 | * Create an event. | |
468 | */ | |
469 | ||
470 | static yaml_event_t * | |
471 | yaml_event_new(yaml_event_type_t type, | |
472 | yaml_mark_t start_mark, yaml_mark_t end_mark) | |
473 | { | |
474 | yaml_event_t *event = yaml_malloc(sizeof(yaml_event_t)); | |
475 | ||
476 | if (!event) return NULL; | |
477 | ||
478 | memset(event, 0, sizeof(yaml_event_t)); | |
479 | ||
480 | event->type = type; | |
481 | event->start_mark = start_mark; | |
482 | event->end_mark = end_mark; | |
483 | ||
484 | return event; | |
485 | } | |
486 | ||
487 | /* | |
488 | * Create a STREAM-START event. | |
489 | */ | |
490 | ||
491 | YAML_DECLARE(yaml_event_t *) | |
492 | yaml_stream_start_event_new(yaml_encoding_t encoding, | |
493 | yaml_mark_t start_mark, yaml_mark_t end_mark) | |
494 | { | |
495 | yaml_event_t *event = yaml_event_new(YAML_STREAM_START_EVENT, | |
496 | start_mark, end_mark); | |
497 | ||
498 | if (!event) return NULL; | |
499 | ||
500 | event->data.stream_start.encoding = encoding; | |
501 | ||
502 | return event; | |
503 | } | |
504 | ||
505 | /* | |
506 | * Create a STREAM-END event. | |
507 | */ | |
508 | ||
509 | YAML_DECLARE(yaml_event_t *) | |
510 | yaml_stream_end_event_new(yaml_mark_t start_mark, yaml_mark_t end_mark) | |
511 | { | |
512 | return yaml_event_new(YAML_STREAM_END_EVENT, start_mark, end_mark); | |
513 | } | |
514 | ||
515 | /* | |
516 | * Create a DOCUMENT-START event. | |
517 | */ | |
518 | ||
519 | YAML_DECLARE(yaml_event_t *) | |
520 | yaml_document_start_event_new(yaml_version_directive_t *version_directive, | |
521 | yaml_tag_directive_t **tag_directives, int implicit, | |
522 | yaml_mark_t start_mark, yaml_mark_t end_mark) | |
523 | { | |
524 | yaml_event_t *event = yaml_event_new(YAML_DOCUMENT_START_EVENT, | |
525 | start_mark, end_mark); | |
526 | ||
527 | if (!event) return NULL; | |
528 | ||
529 | event->data.document_start.version_directive = version_directive; | |
530 | event->data.document_start.tag_directives = tag_directives; | |
531 | event->data.document_start.implicit = implicit; | |
532 | ||
533 | return event; | |
534 | } | |
535 | ||
536 | /* | |
537 | * Create a DOCUMENT-END event. | |
538 | */ | |
539 | ||
540 | YAML_DECLARE(yaml_event_t *) | |
541 | yaml_document_end_event_new(int implicit, | |
542 | yaml_mark_t start_mark, yaml_mark_t end_mark) | |
543 | { | |
544 | yaml_event_t *event = yaml_event_new(YAML_DOCUMENT_END_EVENT, | |
545 | start_mark, end_mark); | |
546 | ||
547 | if (!event) return NULL; | |
548 | ||
549 | event->data.document_end.implicit = implicit; | |
550 | ||
551 | return event; | |
552 | } | |
553 | ||
554 | /* | |
555 | * Create an ALIAS event. | |
556 | */ | |
557 | ||
558 | YAML_DECLARE(yaml_event_t *) | |
559 | yaml_alias_event_new(yaml_char_t *anchor, | |
560 | yaml_mark_t start_mark, yaml_mark_t end_mark) | |
561 | { | |
562 | yaml_event_t *event = yaml_event_new(YAML_ALIAS_EVENT, | |
563 | start_mark, end_mark); | |
564 | ||
565 | if (!event) return NULL; | |
566 | ||
567 | event->data.alias.anchor = anchor; | |
568 | ||
569 | return event; | |
570 | } | |
571 | ||
572 | /* | |
573 | * Create a SCALAR event. | |
574 | */ | |
575 | ||
576 | YAML_DECLARE(yaml_event_t *) | |
577 | yaml_scalar_event_new(yaml_char_t *anchor, yaml_char_t *tag, | |
578 | yaml_char_t *value, size_t length, | |
579 | int plain_implicit, int quoted_implicit, | |
580 | yaml_scalar_style_t style, | |
581 | yaml_mark_t start_mark, yaml_mark_t end_mark) | |
582 | { | |
583 | yaml_event_t *event = yaml_event_new(YAML_SCALAR_EVENT, | |
584 | start_mark, end_mark); | |
585 | ||
586 | if (!event) return NULL; | |
587 | ||
588 | event->data.scalar.anchor = anchor; | |
589 | event->data.scalar.tag = tag; | |
590 | event->data.scalar.value = value; | |
591 | event->data.scalar.length = length; | |
592 | event->data.scalar.plain_implicit = plain_implicit; | |
593 | event->data.scalar.quoted_implicit = quoted_implicit; | |
594 | event->data.scalar.style = style; | |
595 | ||
596 | return event; | |
597 | } | |
598 | ||
599 | /* | |
600 | * Create a SEQUENCE-START event. | |
601 | */ | |
602 | ||
603 | YAML_DECLARE(yaml_event_t *) | |
604 | yaml_sequence_start_new(yaml_char_t *anchor, yaml_char_t *tag, | |
605 | int implicit, yaml_sequence_style_t style, | |
606 | yaml_mark_t start_mark, yaml_mark_t end_mark) | |
607 | { | |
608 | yaml_event_t *event = yaml_event_new(YAML_SEQUENCE_START_EVENT, | |
609 | start_mark, end_mark); | |
610 | ||
611 | if (!event) return NULL; | |
612 | ||
613 | event->data.sequence_start.anchor = anchor; | |
614 | event->data.sequence_start.tag = tag; | |
615 | event->data.sequence_start.implicit = implicit; | |
616 | event->data.sequence_start.style = style; | |
617 | ||
618 | return event; | |
619 | } | |
620 | ||
621 | /* | |
622 | * Create a SEQUENCE-END event. | |
623 | */ | |
624 | ||
625 | YAML_DECLARE(yaml_event_t *) | |
626 | yaml_sequence_end_event_new(yaml_mark_t start_mark, yaml_mark_t end_mark) | |
627 | { | |
628 | return yaml_event_new(YAML_SEQUENCE_END_EVENT, start_mark, end_mark); | |
629 | } | |
630 | ||
631 | /* | |
632 | * Create a MAPPING-START event. | |
633 | */ | |
634 | ||
635 | YAML_DECLARE(yaml_event_t *) | |
636 | yaml_mapping_start_new(yaml_char_t *anchor, yaml_char_t *tag, | |
637 | int implicit, yaml_mapping_style_t style, | |
638 | yaml_mark_t start_mark, yaml_mark_t end_mark) | |
639 | { | |
640 | yaml_event_t *event = yaml_event_new(YAML_MAPPING_START_EVENT, | |
641 | start_mark, end_mark); | |
642 | ||
643 | if (!event) return NULL; | |
644 | ||
645 | event->data.mapping_start.anchor = anchor; | |
646 | event->data.mapping_start.tag = tag; | |
647 | event->data.mapping_start.implicit = implicit; | |
648 | event->data.mapping_start.style = style; | |
649 | ||
650 | return event; | |
651 | } | |
652 | ||
653 | /* | |
654 | * Create a MAPPING-END event. | |
655 | */ | |
656 | ||
657 | YAML_DECLARE(yaml_event_t *) | |
658 | yaml_mapping_end_event_new(yaml_mark_t start_mark, yaml_mark_t end_mark) | |
659 | { | |
660 | return yaml_event_new(YAML_MAPPING_END_EVENT, start_mark, end_mark); | |
661 | } | |
662 | ||
663 | /* | |
664 | * Destroy an event object. | |
665 | */ | |
666 | ||
667 | YAML_DECLARE(void) | |
668 | yaml_event_delete(yaml_event_t *event) | |
669 | { | |
670 | assert(event); /* Non-NULL event object expected. */ | |
671 | ||
672 | switch (event->type) | |
673 | { | |
674 | case YAML_DOCUMENT_START_EVENT: | |
675 | yaml_free(event->data.document_start.version_directive); | |
676 | if (event->data.document_start.tag_directives) { | |
677 | yaml_tag_directive_t **tag_directive; | |
678 | for (tag_directive = event->data.document_start.tag_directives; | |
679 | *tag_directive; tag_directive++) { | |
680 | yaml_free((*tag_directive)->handle); | |
681 | yaml_free((*tag_directive)->prefix); | |
682 | yaml_free(*tag_directive); | |
683 | } | |
684 | yaml_free(event->data.document_start.tag_directives); | |
685 | } | |
686 | break; | |
687 | ||
688 | case YAML_ALIAS_EVENT: | |
689 | yaml_free(event->data.alias.anchor); | |
690 | break; | |
691 | ||
692 | case YAML_SCALAR_EVENT: | |
693 | yaml_free(event->data.scalar.anchor); | |
694 | yaml_free(event->data.scalar.tag); | |
695 | yaml_free(event->data.scalar.value); | |
696 | break; | |
697 | ||
698 | case YAML_SEQUENCE_START_EVENT: | |
699 | yaml_free(event->data.sequence_start.anchor); | |
700 | yaml_free(event->data.sequence_start.tag); | |
701 | break; | |
702 | ||
703 | case YAML_MAPPING_START_EVENT: | |
704 | yaml_free(event->data.mapping_start.anchor); | |
705 | yaml_free(event->data.mapping_start.tag); | |
706 | break; | |
707 | } | |
708 | ||
709 | memset(event, 0, sizeof(yaml_event_t)); | |
710 | ||
711 | yaml_free(event); | |
712 | } | |
713 |