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Commit | Line | Data |
---|---|---|
a51447c9 | 1 | |
625fcfe9 | 2 | #include "yaml_private.h" |
a51447c9 | 3 | |
625fcfe9 KS |
4 | /* |
5 | * Get the library version. | |
6 | */ | |
95b98ba9 | 7 | |
5eff53a4 KS |
8 | YAML_DECLARE(const char *) |
9 | yaml_get_version_string(void) | |
10 | { | |
11 | return YAML_VERSION_STRING; | |
12 | } | |
13 | ||
625fcfe9 KS |
14 | /* |
15 | * Get the library version numbers. | |
16 | */ | |
17 | ||
5eff53a4 KS |
18 | YAML_DECLARE(void) |
19 | yaml_get_version(int *major, int *minor, int *patch) | |
20 | { | |
21 | *major = YAML_VERSION_MAJOR; | |
22 | *minor = YAML_VERSION_MINOR; | |
23 | *patch = YAML_VERSION_PATCH; | |
24 | } | |
25 | ||
95b98ba9 KS |
26 | /* |
27 | * Allocate a dynamic memory block. | |
28 | */ | |
29 | ||
f642fd11 | 30 | YAML_DECLARE(void *) |
95b98ba9 KS |
31 | yaml_malloc(size_t size) |
32 | { | |
33 | return malloc(size ? size : 1); | |
34 | } | |
35 | ||
36 | /* | |
37 | * Reallocate a dynamic memory block. | |
38 | */ | |
39 | ||
f642fd11 | 40 | YAML_DECLARE(void *) |
95b98ba9 KS |
41 | yaml_realloc(void *ptr, size_t size) |
42 | { | |
43 | return ptr ? realloc(ptr, size ? size : 1) : malloc(size ? size : 1); | |
44 | } | |
45 | ||
a51447c9 | 46 | /* |
95b98ba9 KS |
47 | * Free a dynamic memory block. |
48 | */ | |
49 | ||
f642fd11 | 50 | YAML_DECLARE(void) |
95b98ba9 KS |
51 | yaml_free(void *ptr) |
52 | { | |
53 | if (ptr) free(ptr); | |
54 | } | |
55 | ||
56 | /* | |
625fcfe9 | 57 | * Duplicate a string. |
a51447c9 KS |
58 | */ |
59 | ||
625fcfe9 KS |
60 | YAML_DECLARE(char *) |
61 | yaml_strdup(const char *str) | |
a51447c9 | 62 | { |
625fcfe9 KS |
63 | return strdup(str); |
64 | } | |
a51447c9 | 65 | |
625fcfe9 KS |
66 | /* |
67 | * Extend a string. | |
68 | */ | |
6eb1ded4 | 69 | |
625fcfe9 KS |
70 | YAML_DECLARE(int) |
71 | yaml_string_extend(yaml_char_t **start, | |
72 | yaml_char_t **pointer, yaml_char_t **end) | |
73 | { | |
74 | void *new_start = yaml_realloc(*start, (*end - *start)*2); | |
f2b59d4d | 75 | |
625fcfe9 | 76 | if (!new_start) return 0; |
6eb1ded4 | 77 | |
625fcfe9 | 78 | memset(new_start + (*end - *start), 0, *end - *start); |
6eb1ded4 | 79 | |
625fcfe9 KS |
80 | *pointer = new_start + (*pointer - *start); |
81 | *end = new_start + (*end - *start)*2; | |
82 | *start = new_start; | |
f2b59d4d | 83 | |
625fcfe9 KS |
84 | return 1; |
85 | } | |
6eb1ded4 | 86 | |
625fcfe9 KS |
87 | /* |
88 | * Append a string B to a string A. | |
89 | */ | |
f2b59d4d | 90 | |
625fcfe9 KS |
91 | YAML_DECLARE(int) |
92 | yaml_string_join( | |
93 | yaml_char_t **a_start, yaml_char_t **a_pointer, yaml_char_t **a_end, | |
94 | yaml_char_t **b_start, yaml_char_t **b_pointer, yaml_char_t **b_end) | |
95 | { | |
96 | if (*b_start == *b_pointer) | |
97 | return 1; | |
f2b59d4d | 98 | |
625fcfe9 KS |
99 | while (*a_end - *a_pointer <= *b_pointer - *b_start) { |
100 | if (!yaml_string_extend(a_start, a_pointer, a_end)) | |
101 | return 0; | |
102 | } | |
f2b59d4d | 103 | |
625fcfe9 KS |
104 | memcpy(*a_pointer, *b_start, *b_pointer - *b_start); |
105 | *a_pointer += *b_pointer - *b_start; | |
f2b59d4d | 106 | |
625fcfe9 KS |
107 | return 1; |
108 | } | |
f2b59d4d | 109 | |
625fcfe9 KS |
110 | /* |
111 | * Extend a stack. | |
112 | */ | |
f2b59d4d | 113 | |
625fcfe9 KS |
114 | YAML_DECLARE(int) |
115 | yaml_stack_extend(void **start, void **top, void **end) | |
116 | { | |
117 | void *new_start = yaml_realloc(*start, (*end - *start)*2); | |
f2b59d4d | 118 | |
625fcfe9 | 119 | if (!new_start) return 0; |
f2b59d4d | 120 | |
625fcfe9 KS |
121 | *top = new_start + (*top - *start); |
122 | *end = new_start + (*end - *start)*2; | |
123 | *start = new_start; | |
f2b59d4d | 124 | |
625fcfe9 KS |
125 | return 1; |
126 | } | |
1eb01be7 | 127 | |
625fcfe9 KS |
128 | /* |
129 | * Extend or move a queue. | |
130 | */ | |
1eb01be7 | 131 | |
625fcfe9 KS |
132 | YAML_DECLARE(int) |
133 | yaml_queue_extend(void **start, void **head, void **tail, void **end) | |
134 | { | |
135 | /* Check if we need to resize the queue. */ | |
1eb01be7 | 136 | |
625fcfe9 KS |
137 | if (*start == *head && *tail == *end) { |
138 | void *new_start = yaml_realloc(*start, (*end - *start)*2); | |
1eb01be7 | 139 | |
625fcfe9 | 140 | if (!new_start) return 0; |
1eb01be7 | 141 | |
625fcfe9 KS |
142 | *head = new_start + (*head - *start); |
143 | *tail = new_start + (*tail - *start); | |
144 | *end = new_start + (*end - *start)*2; | |
145 | *start = new_start; | |
146 | } | |
ab01bac8 | 147 | |
625fcfe9 | 148 | /* Check if we need to move the queue at the beginning of the buffer. */ |
ab01bac8 | 149 | |
625fcfe9 KS |
150 | if (*tail == *end) { |
151 | if (*head != *tail) { | |
152 | memmove(*start, *head, *tail - *head); | |
153 | } | |
154 | *tail -= *head - *start; | |
155 | *head = *start; | |
156 | } | |
ab01bac8 | 157 | |
625fcfe9 KS |
158 | return 1; |
159 | } | |
1eb01be7 | 160 | |
1eb01be7 | 161 | |
625fcfe9 KS |
162 | /* |
163 | * Create a new parser object. | |
164 | */ | |
1eb01be7 | 165 | |
625fcfe9 KS |
166 | YAML_DECLARE(int) |
167 | yaml_parser_initialize(yaml_parser_t *parser) | |
168 | { | |
169 | assert(parser); /* Non-NULL parser object expected. */ | |
f2b59d4d | 170 | |
625fcfe9 | 171 | memset(parser, 0, sizeof(yaml_parser_t)); |
b1a54000 | 172 | if (!BUFFER_INIT(parser, parser->raw_buffer, INPUT_RAW_BUFFER_SIZE)) |
625fcfe9 | 173 | goto error; |
b1a54000 | 174 | if (!BUFFER_INIT(parser, parser->buffer, INPUT_BUFFER_SIZE)) |
625fcfe9 KS |
175 | goto error; |
176 | if (!QUEUE_INIT(parser, parser->tokens, INITIAL_QUEUE_SIZE)) | |
177 | goto error; | |
178 | if (!STACK_INIT(parser, parser->indents, INITIAL_STACK_SIZE)) | |
179 | goto error; | |
180 | if (!STACK_INIT(parser, parser->simple_keys, INITIAL_STACK_SIZE)) | |
181 | goto error; | |
182 | if (!STACK_INIT(parser, parser->states, INITIAL_STACK_SIZE)) | |
183 | goto error; | |
184 | if (!STACK_INIT(parser, parser->marks, INITIAL_STACK_SIZE)) | |
185 | goto error; | |
186 | if (!STACK_INIT(parser, parser->tag_directives, INITIAL_STACK_SIZE)) | |
187 | goto error; | |
f2b59d4d | 188 | |
625fcfe9 | 189 | return 1; |
f2b59d4d KS |
190 | |
191 | error: | |
192 | ||
625fcfe9 KS |
193 | BUFFER_DEL(parser, parser->raw_buffer); |
194 | BUFFER_DEL(parser, parser->buffer); | |
195 | QUEUE_DEL(parser, parser->tokens); | |
196 | STACK_DEL(parser, parser->indents); | |
197 | STACK_DEL(parser, parser->simple_keys); | |
198 | STACK_DEL(parser, parser->states); | |
199 | STACK_DEL(parser, parser->marks); | |
200 | STACK_DEL(parser, parser->tag_directives); | |
f2b59d4d | 201 | |
625fcfe9 | 202 | return 0; |
a51447c9 KS |
203 | } |
204 | ||
205 | /* | |
206 | * Destroy a parser object. | |
207 | */ | |
208 | ||
f642fd11 | 209 | YAML_DECLARE(void) |
a51447c9 KS |
210 | yaml_parser_delete(yaml_parser_t *parser) |
211 | { | |
95b98ba9 KS |
212 | assert(parser); /* Non-NULL parser object expected. */ |
213 | ||
625fcfe9 KS |
214 | BUFFER_DEL(parser, parser->raw_buffer); |
215 | BUFFER_DEL(parser, parser->buffer); | |
216 | while (!QUEUE_EMPTY(parser, parser->tokens)) { | |
217 | yaml_token_delete(&DEQUEUE(parser, parser->tokens)); | |
218 | } | |
219 | QUEUE_DEL(parser, parser->tokens); | |
220 | STACK_DEL(parser, parser->indents); | |
221 | STACK_DEL(parser, parser->simple_keys); | |
222 | STACK_DEL(parser, parser->states); | |
223 | STACK_DEL(parser, parser->marks); | |
224 | while (!STACK_EMPTY(parser, parser->tag_directives)) { | |
225 | yaml_tag_directive_t tag_directive = POP(parser, parser->tag_directives); | |
226 | yaml_free(tag_directive.handle); | |
227 | yaml_free(tag_directive.prefix); | |
228 | } | |
229 | STACK_DEL(parser, parser->tag_directives); | |
95b98ba9 KS |
230 | |
231 | memset(parser, 0, sizeof(yaml_parser_t)); | |
95b98ba9 KS |
232 | } |
233 | ||
234 | /* | |
6eb1ded4 | 235 | * String read handler. |
95b98ba9 KS |
236 | */ |
237 | ||
238 | static int | |
239 | yaml_string_read_handler(void *data, unsigned char *buffer, size_t size, | |
240 | size_t *size_read) | |
241 | { | |
625fcfe9 | 242 | yaml_parser_t *parser = data; |
6eb1ded4 | 243 | |
625fcfe9 | 244 | if (parser->input.string.current == parser->input.string.end) { |
6eb1ded4 KS |
245 | *size_read = 0; |
246 | return 1; | |
247 | } | |
248 | ||
625fcfe9 KS |
249 | if (size > (parser->input.string.end - parser->input.string.current)) { |
250 | size = parser->input.string.end - parser->input.string.current; | |
6eb1ded4 KS |
251 | } |
252 | ||
625fcfe9 KS |
253 | memcpy(buffer, parser->input.string.current, size); |
254 | parser->input.string.current += size; | |
6eb1ded4 | 255 | *size_read = size; |
95b98ba9 KS |
256 | return 1; |
257 | } | |
258 | ||
259 | /* | |
260 | * File read handler. | |
261 | */ | |
262 | ||
263 | static int | |
264 | yaml_file_read_handler(void *data, unsigned char *buffer, size_t size, | |
265 | size_t *size_read) | |
266 | { | |
625fcfe9 KS |
267 | yaml_parser_t *parser = data; |
268 | ||
269 | *size_read = fread(buffer, 1, size, parser->input.file); | |
270 | return !ferror(parser->input.file); | |
95b98ba9 KS |
271 | } |
272 | ||
273 | /* | |
274 | * Set a string input. | |
275 | */ | |
276 | ||
f642fd11 | 277 | YAML_DECLARE(void) |
95b98ba9 KS |
278 | yaml_parser_set_input_string(yaml_parser_t *parser, |
279 | unsigned char *input, size_t size) | |
280 | { | |
281 | assert(parser); /* Non-NULL parser object expected. */ | |
6eb1ded4 | 282 | assert(!parser->read_handler); /* You can set the source only once. */ |
95b98ba9 KS |
283 | assert(input); /* Non-NULL input string expected. */ |
284 | ||
6eb1ded4 | 285 | parser->read_handler = yaml_string_read_handler; |
625fcfe9 KS |
286 | parser->read_handler_data = parser; |
287 | ||
288 | parser->input.string.start = input; | |
289 | parser->input.string.current = input; | |
290 | parser->input.string.end = input+size; | |
95b98ba9 KS |
291 | } |
292 | ||
293 | /* | |
294 | * Set a file input. | |
295 | */ | |
296 | ||
f642fd11 | 297 | YAML_DECLARE(void) |
95b98ba9 KS |
298 | yaml_parser_set_input_file(yaml_parser_t *parser, FILE *file) |
299 | { | |
300 | assert(parser); /* Non-NULL parser object expected. */ | |
6eb1ded4 | 301 | assert(!parser->read_handler); /* You can set the source only once. */ |
95b98ba9 KS |
302 | assert(file); /* Non-NULL file object expected. */ |
303 | ||
304 | parser->read_handler = yaml_file_read_handler; | |
625fcfe9 KS |
305 | parser->read_handler_data = parser; |
306 | ||
307 | parser->input.file = file; | |
95b98ba9 KS |
308 | } |
309 | ||
310 | /* | |
311 | * Set a generic input. | |
312 | */ | |
313 | ||
f642fd11 | 314 | YAML_DECLARE(void) |
95b98ba9 KS |
315 | yaml_parser_set_input(yaml_parser_t *parser, |
316 | yaml_read_handler_t *handler, void *data) | |
317 | { | |
318 | assert(parser); /* Non-NULL parser object expected. */ | |
6eb1ded4 | 319 | assert(!parser->read_handler); /* You can set the source only once. */ |
95b98ba9 KS |
320 | assert(handler); /* Non-NULL read handler expected. */ |
321 | ||
322 | parser->read_handler = handler; | |
6eb1ded4 | 323 | parser->read_handler_data = data; |
95b98ba9 KS |
324 | } |
325 | ||
326 | /* | |
327 | * Set the source encoding. | |
328 | */ | |
329 | ||
f642fd11 | 330 | YAML_DECLARE(void) |
95b98ba9 KS |
331 | yaml_parser_set_encoding(yaml_parser_t *parser, yaml_encoding_t encoding) |
332 | { | |
333 | assert(parser); /* Non-NULL parser object expected. */ | |
334 | assert(!parser->encoding); /* Encoding is already set or detected. */ | |
335 | ||
336 | parser->encoding = encoding; | |
a51447c9 KS |
337 | } |
338 | ||
b1a54000 KS |
339 | /* |
340 | * Create a new emitter object. | |
341 | */ | |
342 | ||
343 | YAML_DECLARE(int) | |
344 | yaml_emitter_initialize(yaml_emitter_t *emitter) | |
345 | { | |
346 | assert(emitter); /* Non-NULL emitter object expected. */ | |
347 | ||
348 | memset(emitter, 0, sizeof(yaml_emitter_t)); | |
349 | if (!BUFFER_INIT(emitter, emitter->buffer, OUTPUT_BUFFER_SIZE)) | |
350 | goto error; | |
351 | if (!BUFFER_INIT(emitter, emitter->raw_buffer, OUTPUT_RAW_BUFFER_SIZE)) | |
352 | goto error; | |
353 | if (!STACK_INIT(emitter, emitter->states, INITIAL_STACK_SIZE)) | |
354 | goto error; | |
355 | if (!QUEUE_INIT(emitter, emitter->events, INITIAL_QUEUE_SIZE)) | |
356 | goto error; | |
357 | if (!STACK_INIT(emitter, emitter->indents, INITIAL_STACK_SIZE)) | |
358 | goto error; | |
359 | if (!STACK_INIT(emitter, emitter->tag_directives, INITIAL_STACK_SIZE)) | |
360 | goto error; | |
361 | ||
362 | return 1; | |
363 | ||
364 | error: | |
365 | ||
366 | BUFFER_DEL(emitter, emitter->buffer); | |
367 | BUFFER_DEL(emitter, emitter->raw_buffer); | |
368 | STACK_DEL(emitter, emitter->states); | |
369 | QUEUE_DEL(emitter, emitter->events); | |
370 | STACK_DEL(emitter, emitter->indents); | |
371 | STACK_DEL(emitter, emitter->tag_directives); | |
372 | ||
373 | return 0; | |
374 | } | |
375 | ||
376 | /* | |
377 | * Destroy an emitter object. | |
378 | */ | |
379 | ||
380 | YAML_DECLARE(void) | |
381 | yaml_emitter_delete(yaml_emitter_t *emitter) | |
382 | { | |
383 | assert(emitter); /* Non-NULL emitter object expected. */ | |
384 | ||
385 | BUFFER_DEL(emitter, emitter->buffer); | |
386 | BUFFER_DEL(emitter, emitter->raw_buffer); | |
387 | STACK_DEL(emitter, emitter->states); | |
388 | while (!QUEUE_EMPTY(emitter, emitter->events)) { | |
389 | yaml_event_delete(&DEQUEUE(emitter, emitter->events)); | |
390 | } | |
391 | STACK_DEL(emitter, emitter->indents); | |
392 | while (!STACK_EMPTY(empty, emitter->tag_directives)) { | |
393 | yaml_tag_directive_t tag_directive = POP(emitter, emitter->tag_directives); | |
394 | yaml_free(tag_directive.handle); | |
395 | yaml_free(tag_directive.prefix); | |
396 | } | |
397 | STACK_DEL(emitter, emitter->tag_directives); | |
398 | ||
399 | memset(emitter, 0, sizeof(yaml_emitter_t)); | |
400 | } | |
401 | ||
402 | /* | |
403 | * String write handler. | |
404 | */ | |
405 | ||
406 | static int | |
407 | yaml_string_write_handler(void *data, unsigned char *buffer, size_t size) | |
408 | { | |
409 | yaml_emitter_t *emitter = data; | |
410 | ||
411 | if (emitter->output.string.size + *emitter->output.string.size_written | |
412 | < size) { | |
413 | memcpy(emitter->output.string.buffer | |
414 | + *emitter->output.string.size_written, | |
415 | buffer, | |
416 | emitter->output.string.size | |
417 | - *emitter->output.string.size_written); | |
418 | *emitter->output.string.size_written = emitter->output.string.size; | |
419 | return 0; | |
420 | } | |
421 | ||
422 | memcpy(emitter->output.string.buffer | |
423 | + *emitter->output.string.size_written, buffer, size); | |
424 | *emitter->output.string.size_written += size; | |
425 | return 1; | |
426 | } | |
427 | ||
428 | /* | |
429 | * File write handler. | |
430 | */ | |
431 | ||
432 | static int | |
433 | yaml_file_write_handler(void *data, unsigned char *buffer, size_t size) | |
434 | { | |
435 | yaml_emitter_t *emitter = data; | |
436 | ||
437 | return (fwrite(buffer, 1, size, emitter->output.file) == size); | |
438 | } | |
439 | /* | |
440 | * Set a string output. | |
441 | */ | |
442 | ||
443 | YAML_DECLARE(void) | |
444 | yaml_emitter_set_output_string(yaml_emitter_t *emitter, | |
445 | unsigned char *output, size_t size, size_t *size_written) | |
446 | { | |
447 | assert(emitter); /* Non-NULL emitter object expected. */ | |
448 | assert(!emitter->write_handler); /* You can set the output only once. */ | |
449 | assert(output); /* Non-NULL output string expected. */ | |
450 | ||
451 | emitter->write_handler = yaml_string_write_handler; | |
452 | emitter->write_handler_data = emitter; | |
453 | ||
454 | emitter->output.string.buffer = output; | |
455 | emitter->output.string.size = size; | |
456 | emitter->output.string.size_written = size_written; | |
457 | *size_written = 0; | |
458 | } | |
459 | ||
460 | /* | |
461 | * Set a file output. | |
462 | */ | |
463 | ||
464 | YAML_DECLARE(void) | |
465 | yaml_emitter_set_output_file(yaml_emitter_t *emitter, FILE *file) | |
466 | { | |
467 | assert(emitter); /* Non-NULL emitter object expected. */ | |
468 | assert(!emitter->write_handler); /* You can set the output only once. */ | |
469 | assert(file); /* Non-NULL file object expected. */ | |
470 | ||
471 | emitter->write_handler = yaml_file_write_handler; | |
472 | emitter->write_handler_data = emitter; | |
473 | ||
474 | emitter->output.file = file; | |
475 | } | |
476 | ||
477 | /* | |
478 | * Set a generic output handler. | |
479 | */ | |
480 | ||
481 | YAML_DECLARE(void) | |
482 | yaml_emitter_set_output(yaml_emitter_t *emitter, | |
483 | yaml_write_handler_t *handler, void *data) | |
484 | { | |
485 | assert(emitter); /* Non-NULL emitter object expected. */ | |
486 | assert(!emitter->write_handler); /* You can set the output only once. */ | |
487 | assert(handler); /* Non-NULL handler object expected. */ | |
488 | ||
489 | emitter->write_handler = handler; | |
490 | emitter->write_handler_data = data; | |
491 | } | |
492 | ||
493 | /* | |
494 | * Set the output encoding. | |
495 | */ | |
496 | ||
497 | YAML_DECLARE(void) | |
498 | yaml_emitter_set_encoding(yaml_emitter_t *emitter, yaml_encoding_t encoding) | |
499 | { | |
500 | assert(emitter); /* Non-NULL emitter object expected. */ | |
501 | assert(!emitter->encoding); /* You can set encoding only once. */ | |
502 | ||
503 | emitter->encoding = encoding; | |
504 | } | |
505 | ||
506 | /* | |
507 | * Set the canonical output style. | |
508 | */ | |
509 | ||
510 | YAML_DECLARE(void) | |
511 | yaml_emitter_set_canonical(yaml_emitter_t *emitter, int canonical) | |
512 | { | |
513 | assert(emitter); /* Non-NULL emitter object expected. */ | |
514 | ||
515 | emitter->canonical = (canonical != 0); | |
516 | } | |
517 | ||
518 | /* | |
519 | * Set the indentation increment. | |
520 | */ | |
521 | ||
522 | YAML_DECLARE(void) | |
523 | yaml_emitter_set_indent(yaml_emitter_t *emitter, int indent) | |
524 | { | |
525 | assert(emitter); /* Non-NULL emitter object expected. */ | |
526 | ||
527 | emitter->best_indent = (1 < indent && indent < 10) ? indent : 2; | |
528 | } | |
529 | ||
530 | /* | |
531 | * Set the preferred line width. | |
532 | */ | |
533 | ||
534 | YAML_DECLARE(void) | |
535 | yaml_emitter_set_width(yaml_emitter_t *emitter, int width) | |
536 | { | |
537 | assert(emitter); /* Non-NULL emitter object expected. */ | |
538 | ||
539 | emitter->best_width = (width > 0) ? width : 0; | |
540 | } | |
541 | ||
542 | /* | |
543 | * Set if unescaped non-ASCII characters are allowed. | |
544 | */ | |
545 | ||
546 | YAML_DECLARE(void) | |
547 | yaml_emitter_set_unicode(yaml_emitter_t *emitter, int unicode) | |
548 | { | |
549 | assert(emitter); /* Non-NULL emitter object expected. */ | |
550 | ||
551 | emitter->unicode = (unicode != 0); | |
552 | } | |
553 | ||
554 | /* | |
555 | * Set the preferred line break character. | |
556 | */ | |
557 | ||
558 | YAML_DECLARE(void) | |
559 | yaml_emitter_set_break(yaml_emitter_t *emitter, yaml_break_t line_break) | |
560 | { | |
561 | assert(emitter); /* Non-NULL emitter object expected. */ | |
562 | ||
563 | emitter->line_break = line_break; | |
564 | } | |
565 | ||
f642fd11 KS |
566 | /* |
567 | * Destroy a token object. | |
568 | */ | |
569 | ||
570 | YAML_DECLARE(void) | |
571 | yaml_token_delete(yaml_token_t *token) | |
572 | { | |
573 | assert(token); /* Non-NULL token object expected. */ | |
574 | ||
575 | switch (token->type) | |
576 | { | |
577 | case YAML_TAG_DIRECTIVE_TOKEN: | |
578 | yaml_free(token->data.tag_directive.handle); | |
579 | yaml_free(token->data.tag_directive.prefix); | |
580 | break; | |
581 | ||
582 | case YAML_ALIAS_TOKEN: | |
26687d7d KS |
583 | yaml_free(token->data.alias.value); |
584 | break; | |
585 | ||
f642fd11 | 586 | case YAML_ANCHOR_TOKEN: |
26687d7d | 587 | yaml_free(token->data.anchor.value); |
f642fd11 KS |
588 | break; |
589 | ||
590 | case YAML_TAG_TOKEN: | |
591 | yaml_free(token->data.tag.handle); | |
592 | yaml_free(token->data.tag.suffix); | |
593 | break; | |
594 | ||
595 | case YAML_SCALAR_TOKEN: | |
596 | yaml_free(token->data.scalar.value); | |
597 | break; | |
54815ffd KS |
598 | |
599 | default: | |
600 | break; | |
f642fd11 KS |
601 | } |
602 | ||
603 | memset(token, 0, sizeof(yaml_token_t)); | |
26687d7d KS |
604 | } |
605 | ||
606 | /* | |
607 | * Destroy an event object. | |
608 | */ | |
609 | ||
610 | YAML_DECLARE(void) | |
611 | yaml_event_delete(yaml_event_t *event) | |
612 | { | |
625fcfe9 KS |
613 | yaml_tag_directive_t *tag_directive; |
614 | ||
26687d7d KS |
615 | assert(event); /* Non-NULL event object expected. */ |
616 | ||
617 | switch (event->type) | |
618 | { | |
619 | case YAML_DOCUMENT_START_EVENT: | |
625fcfe9 KS |
620 | yaml_free(event->data.document_start.version_directive); |
621 | for (tag_directive = event->data.document_start.tag_directives.start; | |
622 | tag_directive != event->data.document_start.tag_directives.end; | |
623 | tag_directive++) { | |
624 | yaml_free(tag_directive->handle); | |
625 | yaml_free(tag_directive->prefix); | |
626 | } | |
627 | yaml_free(event->data.document_start.tag_directives.start); | |
26687d7d KS |
628 | break; |
629 | ||
630 | case YAML_ALIAS_EVENT: | |
631 | yaml_free(event->data.alias.anchor); | |
632 | break; | |
633 | ||
634 | case YAML_SCALAR_EVENT: | |
635 | yaml_free(event->data.scalar.anchor); | |
636 | yaml_free(event->data.scalar.tag); | |
637 | yaml_free(event->data.scalar.value); | |
638 | break; | |
639 | ||
640 | case YAML_SEQUENCE_START_EVENT: | |
641 | yaml_free(event->data.sequence_start.anchor); | |
642 | yaml_free(event->data.sequence_start.tag); | |
643 | break; | |
644 | ||
645 | case YAML_MAPPING_START_EVENT: | |
646 | yaml_free(event->data.mapping_start.anchor); | |
647 | yaml_free(event->data.mapping_start.tag); | |
648 | break; | |
54815ffd KS |
649 | |
650 | default: | |
651 | break; | |
26687d7d KS |
652 | } |
653 | ||
654 | memset(event, 0, sizeof(yaml_event_t)); | |
26687d7d KS |
655 | } |
656 |