| 20 | | yaml_version_directive_t *version_directive, |
| 21 | | yaml_tag_directive_t *tag_directives_start, |
| 22 | | yaml_tag_directive_t *tag_directives_end, |
| 23 | | int implicit); |
| 24 | | |
| 25 | | YAML_DECLARE(int) |
| 26 | | yaml_emitter_emit_document_end(yaml_emitter_t *emitter, int implicit); |
| 27 | | |
| 28 | | YAML_DECLARE(int) |
| 29 | | yaml_emitter_emit_alias(yaml_emitter_t *emitter, yaml_char_t *anchor); |
| 30 | | |
| 31 | | YAML_DECLARE(int) |
| 32 | | yaml_emitter_emit_scalar(yaml_emitter_t *emitter, |
| 33 | | yaml_char_t *anchor, yaml_char_t *tag, |
| | 42 | yaml_event_t *event, int first); |
| | 43 | |
| | 44 | static int |
| | 45 | yaml_emitter_emit_document_content(yaml_emitter_t *emitter, |
| | 46 | yaml_event_t *event); |
| | 47 | |
| | 48 | static int |
| | 49 | yaml_emitter_emit_document_end(yaml_emitter_t *emitter, |
| | 50 | yaml_event_t *event); |
| | 51 | |
| | 52 | static int |
| | 53 | yaml_emitter_emit_flow_sequence_item(yaml_emitter_t *emitter, |
| | 54 | yaml_event_t *event, int first); |
| | 55 | |
| | 56 | static int |
| | 57 | yaml_emitter_emit_flow_mapping_key(yaml_emitter_t *emitter, |
| | 58 | yaml_event_t *event, int first); |
| | 59 | |
| | 60 | static int |
| | 61 | yaml_emitter_emit_flow_mapping_value(yaml_emitter_t *emitter, |
| | 62 | yaml_event_t *event, int simple); |
| | 63 | |
| | 64 | static int |
| | 65 | yaml_emitter_emit_block_sequence_item(yaml_emitter_t *emitter, |
| | 66 | yaml_event_t *event, int first); |
| | 67 | |
| | 68 | static int |
| | 69 | yaml_emitter_emit_block_mapping_key(yaml_emitter_t *emitter, |
| | 70 | yaml_event_t *event, int first); |
| | 71 | |
| | 72 | static int |
| | 73 | yaml_emitter_emit_block_mapping_value(yaml_emitter_t *emitter, |
| | 74 | yaml_event_t *event, int simple); |
| | 75 | |
| | 76 | static int |
| | 77 | yaml_emitter_emit_node(yaml_emitter_t *emitter, yaml_event_t *event, |
| | 78 | int root, int sequence, int mapping, int simple_key); |
| | 79 | |
| | 80 | static int |
| | 81 | yaml_emitter_emit_alias(yaml_emitter_t *emitter, yaml_event_t *event); |
| | 82 | |
| | 83 | static int |
| | 84 | yaml_emitter_emit_scalar(yaml_emitter_t *emitter, yaml_event_t *event); |
| | 85 | |
| | 86 | static int |
| | 87 | yaml_emitter_emit_sequence_start(yaml_emitter_t *emitter, yaml_event_t *event); |
| | 88 | |
| | 89 | static int |
| | 90 | yaml_emitter_emit_mapping_start(yaml_emitter_t *emitter, yaml_event_t *event); |
| | 91 | |
| | 92 | /* |
| | 93 | * Checkers. |
| | 94 | */ |
| | 95 | |
| | 96 | static int |
| | 97 | yaml_emitter_check_empty_document(yaml_emitter_t *emitter); |
| | 98 | |
| | 99 | static int |
| | 100 | yaml_emitter_check_empty_sequence(yaml_emitter_t *emitter); |
| | 101 | |
| | 102 | static int |
| | 103 | yaml_emitter_check_empty_mapping(yaml_emitter_t *emitter); |
| | 104 | |
| | 105 | static int |
| | 106 | yaml_emitter_check_simple_key(yaml_emitter_t *emitter); |
| | 107 | |
| | 108 | /* |
| | 109 | * Processors. |
| | 110 | */ |
| | 111 | |
| | 112 | static int |
| | 113 | yaml_emitter_process_anchor(yaml_emitter_t *emitter, |
| | 114 | yaml_char_t *anchor, int alias); |
| | 115 | |
| | 116 | static int |
| | 117 | yaml_emitter_process_tag(yaml_emitter_t *emitter, |
| | 118 | yaml_char_t *tag); |
| | 119 | |
| | 120 | static int |
| | 121 | yaml_emitter_process_scalar(yaml_emitter_t *emitter, |
| 39 | | yaml_emitter_emit_sequence_start(yaml_emitter_t *emitter, |
| 40 | | yaml_char_t *anchor, yaml_char_t *tag, int implicit, |
| 41 | | yaml_sequence_style_t style); |
| 42 | | |
| 43 | | YAML_DECLARE(int) |
| 44 | | yaml_emitter_emit_sequence_end(yaml_emitter_t *emitter); |
| 45 | | |
| 46 | | YAML_DECLARE(int) |
| 47 | | yaml_emitter_emit_mapping_start(yaml_emitter_t *emitter, |
| 48 | | yaml_char_t *anchor, yaml_char_t *tag, int implicit, |
| 49 | | yaml_mapping_style_t style); |
| 50 | | |
| 51 | | YAML_DECLARE(int) |
| 52 | | yaml_emitter_emit_mapping_end(yaml_emitter_t *emitter); |
| 53 | | |
| 54 | | /* |
| 55 | | * Emit STREAM-START. |
| 56 | | */ |
| 57 | | |
| 58 | | YAML_DECLARE(int) |
| 59 | | yaml_emitter_emit_stream_start(yaml_emitter_t *emitter, |
| 60 | | yaml_encoding_t encoding) |
| 61 | | { |
| 62 | | yaml_event_t event; |
| 63 | | yaml_mark_t mark = { 0, 0, 0 }; |
| 64 | | |
| 65 | | assert(emitter); /* Non-NULL emitter object is expected. */ |
| 66 | | |
| 67 | | STREAM_START_EVENT_INIT(event, encoding, mark, mark); |
| 68 | | |
| 69 | | return yaml_emitter_emit(emitter, &event); |
| 70 | | } |
| 71 | | |
| 72 | | /* |
| 73 | | * Emit STREAM-END. |
| 74 | | */ |
| 75 | | |
| 76 | | YAML_DECLARE(int) |
| 77 | | yaml_emitter_emit_stream_end(yaml_emitter_t *emitter) |
| 78 | | { |
| 79 | | yaml_event_t event; |
| 80 | | yaml_mark_t mark = { 0, 0, 0 }; |
| 81 | | |
| 82 | | assert(emitter); /* Non-NULL emitter object is expected. */ |
| 83 | | |
| 84 | | STREAM_END_EVENT_INIT(event, mark, mark); |
| 85 | | |
| 86 | | return yaml_emitter_emit(emitter, &event); |
| 87 | | } |
| 88 | | |
| 89 | | /* |
| 90 | | * Emit DOCUMENT-START. |
| 91 | | */ |
| 92 | | |
| 93 | | YAML_DECLARE(int) |
| 94 | | yaml_emitter_emit_document_start(yaml_emitter_t *emitter, |
| 95 | | yaml_version_directive_t *version_directive, |
| 96 | | yaml_tag_directive_t *tag_directives_start, |
| 97 | | yaml_tag_directive_t *tag_directives_end, |
| 98 | | int implicit) |
| 99 | | { |
| 100 | | yaml_event_t event; |
| 101 | | yaml_mark_t mark = { 0, 0, 0 }; |
| 102 | | yaml_version_directive_t *version_directive_copy = NULL; |
| 103 | | struct { |
| 104 | | yaml_tag_directive_t *start; |
| 105 | | yaml_tag_directive_t *end; |
| 106 | | yaml_tag_directive_t *top; |
| 107 | | } tag_directives_copy = { NULL, NULL, NULL }; |
| 108 | | yaml_tag_directive_t value = { NULL, NULL }; |
| 109 | | |
| 110 | | assert(emitter); /* Non-NULL emitter object is expected. */ |
| 111 | | assert((tag_directives_start && tag_directives_end) || |
| 112 | | (tag_directives_start == tag_directives_end)); |
| 113 | | /* Valid tag directives are expected. */ |
| 114 | | |
| 115 | | if (version_directive) { |
| 116 | | version_directive_copy = yaml_malloc(sizeof(yaml_version_directive_t)); |
| 117 | | if (!version_directive_copy) { |
| 118 | | emitter->error = YAML_MEMORY_ERROR; |
| 119 | | goto error; |
| 120 | | } |
| 121 | | version_directive_copy->major = version_directive->major; |
| 122 | | version_directive_copy->minor = version_directive->minor; |
| 123 | | } |
| 124 | | |
| 125 | | if (tag_directives_start != tag_directives_end) { |
| 126 | | yaml_tag_directive_t *tag_directive; |
| 127 | | if (!STACK_INIT(emitter, tag_directives_copy, INITIAL_STACK_SIZE)) |
| 128 | | goto error; |
| 129 | | for (tag_directive = tag_directives_start; |
| 130 | | tag_directive != tag_directives_end; tag_directive ++) { |
| 131 | | value.handle = yaml_strdup(tag_directive->handle); |
| 132 | | value.prefix = yaml_strdup(tag_directive->prefix); |
| 133 | | if (!value.handle || !value.prefix) { |
| 134 | | emitter->error = YAML_MEMORY_ERROR; |
| 135 | | goto error; |
| 136 | | } |
| 137 | | if (!PUSH(emitter, tag_directives_copy, value)) |
| 138 | | goto error; |
| 139 | | value.handle = NULL; |
| 140 | | value.prefix = NULL; |
| 141 | | } |
| 142 | | } |
| 143 | | |
| 144 | | DOCUMENT_START_EVENT_INIT(event, version_directive_copy, |
| 145 | | tag_directives_copy.start, tag_directives_copy.end, |
| 146 | | implicit, mark, mark); |
| 147 | | |
| 148 | | if (yaml_emitter_emit(emitter, &event)) { |
| | 167 | yaml_emitter_emit(yaml_emitter_t *emitter, yaml_event_t *event) |
| | 168 | { |
| | 169 | if (!ENQUEUE(emitter, emitter->events, *event)) { |
| | 170 | yaml_event_delete(event); |
| | 171 | return 0; |
| | 172 | } |
| | 173 | |
| | 174 | while (!yaml_emitter_need_more_events(emitter)) { |
| | 175 | if (!yaml_emitter_state_machine(emitter, emitter->events.head)) { |
| | 176 | return 0; |
| | 177 | } |
| | 178 | DEQUEUE(emitter, emitter->events); |
| | 179 | } |
| | 180 | |
| | 181 | return 1; |
| | 182 | } |
| | 183 | |
| | 184 | /* |
| | 185 | * Check if we need to accumulate more events before emitting. |
| | 186 | * |
| | 187 | * We accumulate extra |
| | 188 | * - 1 event for DOCUMENT-START |
| | 189 | * - 2 events for SEQUENCE-START |
| | 190 | * - 3 events for MAPPING-START |
| | 191 | */ |
| | 192 | |
| | 193 | static int |
| | 194 | yaml_emitter_need_more_events(yaml_emitter_t *emitter) |
| | 195 | { |
| | 196 | int level = 0; |
| | 197 | int accumulate = 0; |
| | 198 | yaml_event_t *event; |
| | 199 | |
| | 200 | if (QUEUE_EMPTY(emitter, emitter->events)) |
| 150 | | } |
| 151 | | |
| 152 | | error: |
| 153 | | yaml_free(version_directive_copy); |
| 154 | | while (!STACK_EMPTY(emitter, tag_directives_copy)) { |
| 155 | | yaml_tag_directive_t value = POP(emitter, tag_directives_copy); |
| 156 | | yaml_free(value.handle); |
| 157 | | yaml_free(value.prefix); |
| 158 | | } |
| 159 | | STACK_DEL(emitter, tag_directives_copy); |
| 160 | | yaml_free(value.handle); |
| 161 | | yaml_free(value.prefix); |
| 162 | | |
| 163 | | return 0; |
| 164 | | } |
| 165 | | |
| 166 | | /* |
| 167 | | * Emit DOCUMENT-END. |
| 168 | | */ |
| 169 | | |
| 170 | | YAML_DECLARE(int) |
| 171 | | yaml_emitter_emit_document_end(yaml_emitter_t *emitter, int implicit) |
| 172 | | { |
| 173 | | yaml_event_t event; |
| 174 | | yaml_mark_t mark = { 0, 0, 0 }; |
| 175 | | |
| 176 | | assert(emitter); /* Non-NULL emitter object is expected. */ |
| 177 | | |
| 178 | | DOCUMENT_END_EVENT_INIT(event, implicit, mark, mark); |
| 179 | | |
| 180 | | return yaml_emitter_emit(emitter, &event); |
| 181 | | } |
| 182 | | |
| 183 | | /* |
| 184 | | * Emit ALIAS. |
| 185 | | */ |
| 186 | | |
| 187 | | YAML_DECLARE(int) |
| 188 | | yaml_emitter_emit_alias(yaml_emitter_t *emitter, yaml_char_t *anchor) |
| 189 | | { |
| 190 | | yaml_event_t event; |
| 191 | | yaml_mark_t mark = { 0, 0, 0 }; |
| 192 | | yaml_char_t *anchor_copy = NULL; |
| 193 | | |
| 194 | | assert(emitter); /* Non-NULL emitter object is expected. */ |
| 195 | | assert(anchor); /* Non-NULL anchor is expected. */ |
| 196 | | |
| 197 | | anchor_copy = yaml_strdup(anchor); |
| 198 | | if (!anchor_copy) { |
| 199 | | emitter->error = YAML_MEMORY_ERROR; |
| 200 | | return 0; |
| 201 | | } |
| 202 | | |
| 203 | | ALIAS_EVENT_INIT(event, anchor_copy, mark, mark); |
| 204 | | |
| 205 | | if (yaml_emitter_emit(emitter, &event)) { |
| 206 | | return 1; |
| 207 | | } |
| 208 | | |
| 209 | | yaml_free(anchor_copy); |
| 210 | | |
| 211 | | return 0; |
| 212 | | } |
| 213 | | |
| 214 | | /* |
| 215 | | * Emit SCALAR. |
| 216 | | */ |
| 217 | | |
| 218 | | YAML_DECLARE(int) |
| 219 | | yaml_emitter_emit_scalar(yaml_emitter_t *emitter, |
| 220 | | yaml_char_t *anchor, yaml_char_t *tag, |
| 221 | | yaml_char_t *value, size_t length, |
| 222 | | int plain_implicit, int quoted_implicit, |
| 223 | | yaml_scalar_style_t style) |
| 224 | | { |
| 225 | | yaml_event_t event; |
| 226 | | yaml_mark_t mark = { 0, 0, 0 }; |
| 227 | | yaml_char_t *anchor_copy = NULL; |
| 228 | | yaml_char_t *tag_copy = NULL; |
| 229 | | yaml_char_t *value_copy = NULL; |
| 230 | | |
| 231 | | assert(emitter); /* Non-NULL emitter object is expected. */ |
| 232 | | assert(value); /* Non-NULL anchor is expected. */ |
| 233 | | |
| 234 | | if (anchor) { |
| 235 | | anchor_copy = yaml_strdup(anchor); |
| 236 | | if (!anchor_copy) { |
| 237 | | emitter->error = YAML_MEMORY_ERROR; |
| 238 | | goto error; |
| 239 | | } |
| 240 | | } |
| 241 | | |
| 242 | | if (tag) { |
| 243 | | tag_copy = yaml_strdup(tag); |
| 244 | | if (!tag_copy) { |
| 245 | | emitter->error = YAML_MEMORY_ERROR; |
| 246 | | goto error; |
| 247 | | } |
| 248 | | } |
| 249 | | |
| 250 | | value_copy = yaml_malloc(length+1); |
| 251 | | if (!value_copy) { |
| | 202 | |
| | 203 | switch (emitter->events.head->type) { |
| | 204 | case YAML_DOCUMENT_START_EVENT: |
| | 205 | accumulate = 1; |
| | 206 | break; |
| | 207 | case YAML_SEQUENCE_START_EVENT: |
| | 208 | accumulate = 2; |
| | 209 | break; |
| | 210 | case YAML_MAPPING_START_EVENT: |
| | 211 | accumulate = 3; |
| | 212 | break; |
| | 213 | default: |
| | 214 | return 0; |
| | 215 | } |
| | 216 | |
| | 217 | if (emitter->events.tail - emitter->events.head > accumulate) |
| | 218 | return 0; |
| | 219 | |
| | 220 | for (event = emitter->events.head; event != emitter->events.tail; event ++) { |
| | 221 | switch (event->type) { |
| | 222 | case YAML_STREAM_START_EVENT: |
| | 223 | case YAML_DOCUMENT_START_EVENT: |
| | 224 | case YAML_SEQUENCE_START_EVENT: |
| | 225 | case YAML_MAPPING_START_EVENT: |
| | 226 | level += 1; |
| | 227 | break; |
| | 228 | case YAML_STREAM_END_EVENT: |
| | 229 | case YAML_DOCUMENT_END_EVENT: |
| | 230 | case YAML_SEQUENCE_END_EVENT: |
| | 231 | case YAML_MAPPING_END_EVENT: |
| | 232 | level -= 1; |
| | 233 | break; |
| | 234 | default: |
| | 235 | break; |
| | 236 | } |
| | 237 | if (!level) |
| | 238 | return 0; |
| | 239 | } |
| | 240 | |
| | 241 | return 1; |
| | 242 | } |
| | 243 | |
| | 244 | /* |
| | 245 | * Append a directive to the directives stack. |
| | 246 | */ |
| | 247 | |
| | 248 | static int |
| | 249 | yaml_emitter_append_tag_directive(yaml_emitter_t *emitter, |
| | 250 | yaml_tag_directive_t value, int allow_duplicates) |
| | 251 | { |
| | 252 | yaml_tag_directive_t *tag_directive; |
| | 253 | yaml_tag_directive_t copy = { NULL, NULL }; |
| | 254 | |
| | 255 | for (tag_directive = emitter->tag_directives.start; |
| | 256 | tag_directive != emitter->tag_directives.top; tag_directive ++) { |
| | 257 | if (strcmp((char *)value.handle, (char *)tag_directive->handle) == 0) { |
| | 258 | if (allow_duplicates) |
| | 259 | return 1; |
| | 260 | return yaml_emitter_set_emitter_error(emitter, |
| | 261 | "duplicate %TAG directive"); |
| | 262 | } |
| | 263 | } |
| | 264 | |
| | 265 | copy.handle = yaml_strdup(value.handle); |
| | 266 | copy.prefix = yaml_strdup(value.prefix); |
| | 267 | if (!copy.handle || !copy.prefix) { |
| 255 | | memcpy(value_copy, value, length); |
| 256 | | value_copy[length] = '\0'; |
| 257 | | |
| 258 | | SCALAR_EVENT_INIT(event, anchor_copy, tag_copy, value_copy, length, |
| 259 | | plain_implicit, quoted_implicit, style, mark, mark); |
| 260 | | |
| 261 | | if (yaml_emitter_emit(emitter, &event)) { |
| | 271 | |
| | 272 | if (!PUSH(emitter, emitter->tag_directives, copy)) |
| | 273 | goto error; |
| | 274 | |
| | 275 | return 1; |
| | 276 | |
| | 277 | error: |
| | 278 | yaml_free(copy.handle); |
| | 279 | yaml_free(copy.prefix); |
| | 280 | return 0; |
| | 281 | } |
| | 282 | |
| | 283 | /* |
| | 284 | * Increase the indentation level. |
| | 285 | */ |
| | 286 | |
| | 287 | static int |
| | 288 | yaml_emitter_increase_indent(yaml_emitter_t *emitter, |
| | 289 | int flow, int indentless) |
| | 290 | { |
| | 291 | if (!PUSH(emitter, emitter->indents, emitter->indent)) |
| | 292 | return 0; |
| | 293 | |
| | 294 | if (emitter->indent < 0) { |
| | 295 | emitter->indent = flow ? emitter->best_indent : 0; |
| | 296 | } |
| | 297 | else if (!indentless) { |
| | 298 | emitter->indent += emitter->best_indent; |
| | 299 | } |
| | 300 | |
| | 301 | return 1; |
| | 302 | } |
| | 303 | |
| | 304 | /* |
| | 305 | * State dispatcher. |
| | 306 | */ |
| | 307 | |
| | 308 | static int |
| | 309 | yaml_emitter_state_machine(yaml_emitter_t *emitter, yaml_event_t *event) |
| | 310 | { |
| | 311 | switch (emitter->state) |
| | 312 | { |
| | 313 | case YAML_EMIT_STREAM_START_STATE: |
| | 314 | return yaml_emitter_emit_stream_start(emitter, event); |
| | 315 | |
| | 316 | case YAML_EMIT_FIRST_DOCUMENT_START_STATE: |
| | 317 | return yaml_emitter_emit_document_start(emitter, event, 1); |
| | 318 | |
| | 319 | case YAML_EMIT_DOCUMENT_START_STATE: |
| | 320 | return yaml_emitter_emit_document_start(emitter, event, 0); |
| | 321 | |
| | 322 | case YAML_EMIT_DOCUMENT_CONTENT_STATE: |
| | 323 | return yaml_emitter_emit_document_content(emitter, event); |
| | 324 | |
| | 325 | case YAML_EMIT_DOCUMENT_END_STATE: |
| | 326 | return yaml_emitter_emit_document_end(emitter, event); |
| | 327 | |
| | 328 | case YAML_EMIT_FLOW_SEQUENCE_FIRST_ITEM_STATE: |
| | 329 | return yaml_emitter_emit_flow_sequence_item(emitter, event, 1); |
| | 330 | |
| | 331 | case YAML_EMIT_FLOW_SEQUENCE_ITEM_STATE: |
| | 332 | return yaml_emitter_emit_flow_sequence_item(emitter, event, 0); |
| | 333 | |
| | 334 | case YAML_EMIT_FLOW_MAPPING_FIRST_KEY_STATE: |
| | 335 | return yaml_emitter_emit_flow_mapping_key(emitter, event, 1); |
| | 336 | |
| | 337 | case YAML_EMIT_FLOW_MAPPING_KEY_STATE: |
| | 338 | return yaml_emitter_emit_flow_mapping_key(emitter, event, 0); |
| | 339 | |
| | 340 | case YAML_EMIT_FLOW_MAPPING_SIMPLE_VALUE_STATE: |
| | 341 | return yaml_emitter_emit_flow_mapping_value(emitter, event, 1); |
| | 342 | |
| | 343 | case YAML_EMIT_FLOW_MAPPING_VALUE_STATE: |
| | 344 | return yaml_emitter_emit_flow_mapping_value(emitter, event, 0); |
| | 345 | |
| | 346 | case YAML_EMIT_BLOCK_SEQUENCE_FIRST_ITEM_STATE: |
| | 347 | return yaml_emitter_emit_block_sequence_item(emitter, event, 1); |
| | 348 | |
| | 349 | case YAML_EMIT_BLOCK_SEQUENCE_ITEM_STATE: |
| | 350 | return yaml_emitter_emit_block_sequence_item(emitter, event, 0); |
| | 351 | |
| | 352 | case YAML_EMIT_BLOCK_MAPPING_FIRST_KEY_STATE: |
| | 353 | return yaml_emitter_emit_block_mapping_key(emitter, event, 1); |
| | 354 | |
| | 355 | case YAML_EMIT_BLOCK_MAPPING_KEY_STATE: |
| | 356 | return yaml_emitter_emit_block_mapping_key(emitter, event, 0); |
| | 357 | |
| | 358 | case YAML_EMIT_BLOCK_MAPPING_SIMPLE_VALUE_STATE: |
| | 359 | return yaml_emitter_emit_block_mapping_value(emitter, event, 1); |
| | 360 | |
| | 361 | case YAML_EMIT_BLOCK_MAPPING_VALUE_STATE: |
| | 362 | return yaml_emitter_emit_block_mapping_value(emitter, event, 0); |
| | 363 | |
| | 364 | case YAML_EMIT_END_STATE: |
| | 365 | return yaml_emitter_set_emitter_error(emitter, |
| | 366 | "expected nothing after STREAM-END"); |
| | 367 | |
| | 368 | default: |
| | 369 | assert(1); /* Invalid state. */ |
| | 370 | } |
| | 371 | |
| | 372 | return 0; |
| | 373 | } |
| | 374 | |
| | 375 | /* |
| | 376 | * Expect STREAM-START. |
| | 377 | */ |
| | 378 | |
| | 379 | static int |
| | 380 | yaml_emitter_emit_stream_start(yaml_emitter_t *emitter, |
| | 381 | yaml_event_t *event) |
| | 382 | { |
| | 383 | if (event->type == YAML_STREAM_START_EVENT) |
| | 384 | { |
| | 385 | if (!emitter->encoding) { |
| | 386 | emitter->encoding = event->data.stream_start.encoding; |
| | 387 | } |
| | 388 | |
| | 389 | if (!emitter->encoding) { |
| | 390 | emitter->encoding = YAML_UTF8_ENCODING; |
| | 391 | } |
| | 392 | |
| | 393 | if (emitter->best_indent < 2 || emitter->best_indent > 9) { |
| | 394 | emitter->best_indent = 2; |
| | 395 | } |
| | 396 | |
| | 397 | if (emitter->best_width >= 0 |
| | 398 | && emitter->best_width <= emitter->best_indent*2) { |
| | 399 | emitter->best_width = 80; |
| | 400 | } |
| | 401 | |
| | 402 | if (emitter->best_width < 0) { |
| | 403 | emitter->best_width = INT_MAX; |
| | 404 | } |
| | 405 | |
| | 406 | if (!emitter->line_break) { |
| | 407 | emitter->line_break = YAML_LN_BREAK; |
| | 408 | } |
| | 409 | |
| | 410 | emitter->indent = -1; |
| | 411 | |
| | 412 | emitter->line = 0; |
| | 413 | emitter->column = 0; |
| | 414 | emitter->whitespace = 1; |
| | 415 | emitter->indention = 1; |
| | 416 | |
| | 417 | if (emitter->encoding != YAML_UTF8_ENCODING) { |
| | 418 | if (!yaml_emitter_write_bom(emitter)) |
| | 419 | return 0; |
| | 420 | } |
| | 421 | |
| | 422 | emitter->state = YAML_EMIT_FIRST_DOCUMENT_START_STATE; |
| | 423 | |
| 265 | | error: |
| 266 | | yaml_free(anchor_copy); |
| 267 | | yaml_free(tag_copy); |
| 268 | | yaml_free(value_copy); |
| | 427 | return yaml_emitter_set_emitter_error(emitter, |
| | 428 | "expected STREAM-START"); |
| | 429 | } |
| | 430 | |
| | 431 | static int |
| | 432 | yaml_emitter_emit_document_start(yaml_emitter_t *emitter, |
| | 433 | yaml_event_t *event, int first) |
| | 434 | { |
| | 435 | if (event->type == YAML_DOCUMENT_START_EVENT) |
| | 436 | { |
| | 437 | yaml_tag_directive_t default_tag_directives[] = { |
| | 438 | {(yaml_char_t *)"!", (yaml_char_t *)"!"}, |
| | 439 | {(yaml_char_t *)"!!", (yaml_char_t *)"tag:yaml.org,2002:"}, |
| | 440 | {NULL, NULL} |
| | 441 | }; |
| | 442 | yaml_tag_directive_t *tag_directive; |
| | 443 | int implicit; |
| | 444 | |
| | 445 | if (event->data.document_start.version_directive) { |
| | 446 | if (event->data.document_start.version_directive->major != 1 |
| | 447 | || event->data.document_start.version_directive-> minor != 1) { |
| | 448 | return yaml_emitter_set_emitter_error(emitter, |
| | 449 | "incompatible %YAML directive"); |
| | 450 | } |
| | 451 | } |
| | 452 | |
| | 453 | for (tag_directive = event->data.document_start.tag_directives.start; |
| | 454 | tag_directive != event->data.document_start.tag_directives.end; |
| | 455 | tag_directive ++) { |
| | 456 | if (!yaml_emitter_append_tag_directive(emitter, *tag_directive, 0)) |
| | 457 | return 0; |
| | 458 | } |
| | 459 | |
| | 460 | for (tag_directive = default_tag_directives; |
| | 461 | tag_directive->handle; tag_directive ++) { |
| | 462 | if (!yaml_emitter_append_tag_directive(emitter, *tag_directive, 1)) |
| | 463 | return 0; |
| | 464 | } |
| | 465 | |
| | 466 | implicit = event->data.document_start.implicit; |
| | 467 | if (!first || emitter->canonical) { |
| | 468 | implicit = 0; |
| | 469 | } |
| | 470 | |
| | 471 | if (event->data.document_start.version_directive) { |
| | 472 | implicit = 0; |
| | 473 | if (!yaml_emitter_write_version_directive(emitter, |
| | 474 | *event->data.document_start.version_directive)) |
| | 475 | return 0; |
| | 476 | } |
| | 477 | |
| | 478 | if (event->data.document_start.tag_directives.start |
| | 479 | != event->data.document_start.tag_directives.end) { |
| | 480 | implicit = 0; |
| | 481 | for (tag_directive = event->data.document_start.tag_directives.start; |
| | 482 | tag_directive != event->data.document_start.tag_directives.end; |
| | 483 | tag_directive ++) { |
| | 484 | if (!yaml_emitter_write_tag_directive(emitter, *tag_directive)) |
| | 485 | return 0; |
| | 486 | } |
| | 487 | } |
| | 488 | |
| | 489 | if (yaml_emitter_check_empty_document(emitter)) { |
| | 490 | implicit = 0; |
| | 491 | } |
| | 492 | |
| | 493 | if (!implicit) { |
| | 494 | if (!yaml_emitter_write_indent(emitter)) |
| | 495 | return 0; |
| | 496 | if (!yaml_emitter_write_indicator(emitter, "---", 1, 0, 0)) |
| | 497 | return 0; |
| | 498 | if (emitter->canonical) { |
| | 499 | if (!yaml_emitter_write_indent(emitter)) |
| | 500 | return 0; |
| | 501 | } |
| | 502 | } |
| | 503 | |
| | 504 | emitter->state = YAML_EMIT_DOCUMENT_CONTENT_STATE; |
| | 505 | |
| | 506 | return 1; |
| | 507 | } |
| | 508 | |
| | 509 | else if (event->type == YAML_STREAM_END_EVENT) |
| | 510 | { |
| | 511 | if (!yaml_emitter_flush(emitter)) |
| | 512 | return 0; |
| | 513 | |
| | 514 | emitter->state = YAML_EMIT_END_STATE; |
| | 515 | |
| | 516 | return 1; |
| | 517 | } |
| | 518 | |
| | 519 | return yaml_emitter_set_emitter_error(emitter, |
| | 520 | "expected DOCUMENT-START or STREAM-END"); |
| | 521 | } |
| | 522 | |
| | 523 | static int |
| | 524 | yaml_emitter_emit_document_content(yaml_emitter_t *emitter, |
| | 525 | yaml_event_t *event) |
| | 526 | { |
| | 527 | if (!PUSH(emitter, emitter->states, YAML_EMIT_DOCUMENT_END_STATE)) |
| | 528 | return 0; |
| | 529 | |
| | 530 | return yaml_emitter_emit_node(emitter, event, 1, 0, 0, 0); |
| | 531 | } |
| | 532 | |
| | 533 | static int |
| | 534 | yaml_emitter_emit_document_end(yaml_emitter_t *emitter, |
| | 535 | yaml_event_t *event) |
| | 536 | { |
| | 537 | if (event->type == YAML_DOCUMENT_END_EVENT) |
| | 538 | { |
| | 539 | if (!yaml_emitter_write_indent(emitter)) |
| | 540 | return 0; |
| | 541 | if (!event->data.document_end.implicit) { |
| | 542 | if (!yaml_emitter_write_indicator(emitter, "...", 1, 0, 0)) |
| | 543 | return 0; |
| | 544 | if (!yaml_emitter_write_indent(emitter)) |
| | 545 | return 0; |
| | 546 | } |
| | 547 | if (!yaml_emitter_flush(emitter)) |
| | 548 | return 0; |
| | 549 | |
| | 550 | emitter->state = YAML_EMIT_DOCUMENT_START_STATE; |
| | 551 | |
| | 552 | return 1; |
| | 553 | } |
| | 554 | |
| | 555 | return yaml_emitter_set_emitter_error(emitter, |
| | 556 | "expected DOCUMENT-END"); |
| | 557 | } |
| | 558 | |
| | 559 | static int |
| | 560 | yaml_emitter_emit_flow_sequence_item(yaml_emitter_t *emitter, |
| | 561 | yaml_event_t *event, int first) |
| | 562 | { |
| | 563 | if (first) |
| | 564 | { |
| | 565 | if (!yaml_emitter_write_indicator(emitter, "[", 1, 1, 0)) |
| | 566 | return 0; |
| | 567 | if (!yaml_emitter_increase_indent(emitter, 1, 0)) |
| | 568 | return 0; |
| | 569 | emitter->flow_level ++; |
| | 570 | } |
| | 571 | |
| | 572 | if (event->type == YAML_SEQUENCE_END_EVENT) |
| | 573 | { |
| | 574 | emitter->flow_level --; |
| | 575 | emitter->indent = POP(emitter, emitter->indents); |
| | 576 | if (emitter->canonical && !first) { |
| | 577 | if (!yaml_emitter_write_indicator(emitter, ",", 0, 0, 0)) |
| | 578 | return 0; |
| | 579 | if (!yaml_emitter_write_indent(emitter)) |
| | 580 | return 0; |
| | 581 | } |
| | 582 | if (!yaml_emitter_write_indicator(emitter, "]", 0, 0, 0)) |
| | 583 | return 0; |
| | 584 | emitter->state = POP(emitter, emitter->states); |
| | 585 | |
| | 586 | return 1; |
| | 587 | } |
| | 588 | |
| | 589 | if (emitter->canonical || emitter->column > emitter->best_width) { |
| | 590 | if (!yaml_emitter_write_indent(emitter)) |
| | 591 | return 0; |
| | 592 | } |
| | 593 | if (PUSH(emitter, emitter->states, YAML_EMIT_FLOW_SEQUENCE_ITEM_STATE)) |
| | 594 | return 0; |
| | 595 | |
| | 596 | return yaml_emitter_emit_node(emitter, event, 0, 1, 0, 0); |
| | 597 | } |
| | 598 | |
| | 599 | static int |
| | 600 | yaml_emitter_emit_flow_mapping_key(yaml_emitter_t *emitter, |
| | 601 | yaml_event_t *event, int first) |
| | 602 | { |
| | 603 | if (first) |
| | 604 | { |
| | 605 | if (!yaml_emitter_write_indicator(emitter, "{", 1, 1, 0)) |
| | 606 | return 0; |
| | 607 | if (!yaml_emitter_increase_indent(emitter, 1, 0)) |
| | 608 | return 0; |
| | 609 | emitter->flow_level ++; |
| | 610 | } |
| | 611 | |
| | 612 | if (event->type == YAML_MAPPING_END_EVENT) |
| | 613 | { |
| | 614 | emitter->flow_level --; |
| | 615 | emitter->indent = POP(emitter, emitter->indents); |
| | 616 | if (emitter->canonical && !first) { |
| | 617 | if (!yaml_emitter_write_indicator(emitter, ",", 0, 0, 0)) |
| | 618 | return 0; |
| | 619 | if (!yaml_emitter_write_indent(emitter)) |
| | 620 | return 0; |
| | 621 | } |
| | 622 | if (!yaml_emitter_write_indicator(emitter, "}", 0, 0, 0)) |
| | 623 | return 0; |
| | 624 | emitter->state = POP(emitter, emitter->states); |
| | 625 | |
| | 626 | return 1; |
| | 627 | } |
| | 628 | |
| | 629 | if (!first) { |
| | 630 | if (!yaml_emitter_write_indicator(emitter, ",", 0, 0, 0)) |
| | 631 | return 0; |
| | 632 | } |
| | 633 | if (emitter->canonical || emitter->column > emitter->best_width) { |
| | 634 | if (!yaml_emitter_write_indent(emitter)) |
| | 635 | return 0; |
| | 636 | } |
| | 637 | |
| | 638 | if (!emitter->canonical && yaml_emitter_check_simple_key(emitter)) |
| | 639 | { |
| | 640 | if (!PUSH(emitter, emitter->states, |
| | 641 | YAML_EMIT_FLOW_MAPPING_SIMPLE_VALUE_STATE)) |
| | 642 | return 0; |
| | 643 | |
| | 644 | return yaml_emitter_emit_node(emitter, event, 0, 0, 1, 1); |
| | 645 | } |
| | 646 | else |
| | 647 | { |
| | 648 | if (!yaml_emitter_write_indicator(emitter, "?", 1, 0, 0)) |
| | 649 | return 0; |
| | 650 | if (!PUSH(emitter, emitter->states, |
| | 651 | YAML_EMIT_FLOW_MAPPING_VALUE_STATE)) |
| | 652 | return 0; |
| | 653 | |
| | 654 | return yaml_emitter_emit_node(emitter, event, 0, 0, 1, 0); |
| | 655 | } |
| | 656 | } |
| | 657 | |
| | 658 | static int |
| | 659 | yaml_emitter_emit_flow_mapping_value(yaml_emitter_t *emitter, |
| | 660 | yaml_event_t *event, int simple) |
| | 661 | { |
| | 662 | if (simple) { |
| | 663 | if (!yaml_emitter_write_indicator(emitter, ":", 0, 0, 0)) |
| | 664 | return 0; |
| | 665 | } |
| | 666 | else { |
| | 667 | if (emitter->canonical || emitter->column > emitter->best_width) { |
| | 668 | if (!yaml_emitter_write_indent(emitter)) |
| | 669 | return 0; |
| | 670 | } |
| | 671 | if (!yaml_emitter_write_indicator(emitter, ":", 1, 0, 0)) |
| | 672 | return 0; |
| | 673 | } |
| | 674 | if (!PUSH(emitter, emitter->states, YAML_EMIT_FLOW_MAPPING_KEY_STATE)) |
| | 675 | return 0; |
| | 676 | return yaml_emitter_emit_node(emitter, event, 0, 0, 1, 0); |
| | 677 | } |
| | 678 | |
| | 679 | static int |
| | 680 | yaml_emitter_emit_block_sequence_item(yaml_emitter_t *emitter, |
| | 681 | yaml_event_t *event, int first) |
| | 682 | { |
| | 683 | if (first) |
| | 684 | { |
| | 685 | if (!yaml_emitter_increase_indent(emitter, 0, |
| | 686 | (emitter->mapping_context && !emitter->indention))) |
| | 687 | return 0; |
| | 688 | } |
| | 689 | |
| | 690 | if (event->type == YAML_SEQUENCE_END_EVENT) |
| | 691 | { |
| | 692 | emitter->indent = POP(emitter, emitter->indents); |
| | 693 | emitter->state = POP(emitter, emitter->states); |
| | 694 | |
| | 695 | return 1; |
| | 696 | } |
| | 697 | |
| | 698 | if (!yaml_emitter_write_indent(emitter)) |
| | 699 | return 0; |
| | 700 | if (!yaml_emitter_write_indicator(emitter, "-", 1, 0, 1)) |
| | 701 | return 0; |
| | 702 | if (!PUSH(emitter, emitter->states, |
| | 703 | YAML_EMIT_BLOCK_SEQUENCE_ITEM_STATE)) |
| | 704 | return 0; |
| | 705 | |
| | 706 | return yaml_emitter_emit_node(emitter, event, 0, 1, 0, 0); |
| | 707 | } |
| | 708 | |
| | 709 | static int |
| | 710 | yaml_emitter_emit_block_mapping_key(yaml_emitter_t *emitter, |
| | 711 | yaml_event_t *event, int first) |
| | 712 | { |
| | 713 | if (first) |
| | 714 | { |
| | 715 | if (!yaml_emitter_increase_indent(emitter, 0, 0)) |
| | 716 | return 0; |
| | 717 | } |
| | 718 | |
| | 719 | if (event->type == YAML_MAPPING_END_EVENT) |
| | 720 | { |
| | 721 | emitter->indent = POP(emitter, emitter->indents); |
| | 722 | emitter->state = POP(emitter, emitter->states); |
| | 723 | |
| | 724 | return 1; |
| | 725 | } |
| | 726 | |
| | 727 | if (!yaml_emitter_write_indent(emitter)) |
| | 728 | return 0; |
| | 729 | |
| | 730 | if (yaml_emitter_check_simple_key(emitter)) |
| | 731 | { |
| | 732 | if (!PUSH(emitter, emitter->states, |
| | 733 | YAML_EMIT_BLOCK_MAPPING_SIMPLE_VALUE_STATE)) |
| | 734 | return 0; |
| | 735 | |
| | 736 | return yaml_emitter_emit_node(emitter, event, 0, 0, 1, 1); |
| | 737 | } |
| | 738 | else |
| | 739 | { |
| | 740 | if (!yaml_emitter_write_indicator(emitter, "?", 1, 0, 1)) |
| | 741 | return 0; |
| | 742 | if (!PUSH(emitter, emitter->states, |
| | 743 | YAML_EMIT_BLOCK_MAPPING_VALUE_STATE)) |
| | 744 | return 0; |
| | 745 | |
| | 746 | return yaml_emitter_emit_node(emitter, event, 0, 0, 1, 0); |
| | 747 | } |
| | 748 | } |
| | 749 | |
| | 750 | static int |
| | 751 | yaml_emitter_emit_block_mapping_value(yaml_emitter_t *emitter, |
| | 752 | yaml_event_t *event, int simple) |
| | 753 | { |
| | 754 | if (simple) { |
| | 755 | if (!yaml_emitter_write_indicator(emitter, ":", 0, 0, 0)) |
| | 756 | return 0; |
| | 757 | } |
| | 758 | else { |
| | 759 | if (!yaml_emitter_write_indent(emitter)) |
| | 760 | return 0; |
| | 761 | if (!yaml_emitter_write_indicator(emitter, ":", 1, 0, 1)) |
| | 762 | return 0; |
| | 763 | } |
| | 764 | if (!PUSH(emitter, emitter->states, |
| | 765 | YAML_EMIT_BLOCK_MAPPING_KEY_STATE)) |
| | 766 | return 0; |
| | 767 | |
| | 768 | return yaml_emitter_emit_node(emitter, event, 0, 0, 1, 0); |
| | 769 | } |
| | 770 | |
| | 771 | static int |
| | 772 | yaml_emitter_emit_node(yaml_emitter_t *emitter, yaml_event_t *event, |
| | 773 | int root, int sequence, int mapping, int simple_key) |
| | 774 | { |
| | 775 | emitter->root_context = root; |
| | 776 | emitter->sequence_context = sequence; |
| | 777 | emitter->mapping_context = mapping; |
| | 778 | emitter->simple_key_context = simple_key; |
| | 779 | |
| | 780 | switch (event->type) |
| | 781 | { |
| | 782 | case YAML_ALIAS_EVENT: |
| | 783 | return yaml_emitter_emit_alias(emitter, event); |
| | 784 | |
| | 785 | case YAML_SCALAR_EVENT: |
| | 786 | return yaml_emitter_emit_scalar(emitter, event); |
| | 787 | |
| | 788 | case YAML_SEQUENCE_START_EVENT: |
| | 789 | return yaml_emitter_emit_sequence_start(emitter, event); |
| | 790 | |
| | 791 | case YAML_MAPPING_START_EVENT: |
| | 792 | return yaml_emitter_emit_mapping_start(emitter, event); |
| | 793 | |
| | 794 | default: |
| | 795 | return yaml_emitter_set_emitter_error(emitter, |
| | 796 | "expected SCALAR, SEQUENCE-START, MAPPING-START, or ALIAS"); |
| | 797 | } |
| 273 | | /* |
| 274 | | * Emit SEQUENCE-START. |
| 275 | | */ |
| 276 | | |
| 277 | | YAML_DECLARE(int) |
| 278 | | yaml_emitter_emit_sequence_start(yaml_emitter_t *emitter, |
| 279 | | yaml_char_t *anchor, yaml_char_t *tag, int implicit, |
| 280 | | yaml_sequence_style_t style) |
| 281 | | { |
| 282 | | yaml_event_t event; |
| 283 | | yaml_mark_t mark = { 0, 0, 0 }; |
| 284 | | yaml_char_t *anchor_copy = NULL; |
| 285 | | yaml_char_t *tag_copy = NULL; |
| 286 | | |
| 287 | | assert(emitter); /* Non-NULL emitter object is expected. */ |
| 288 | | |
| 289 | | if (anchor) { |
| 290 | | anchor_copy = yaml_strdup(anchor); |
| 291 | | if (!anchor_copy) { |
| 292 | | emitter->error = YAML_MEMORY_ERROR; |
| 293 | | goto error; |
| 294 | | } |
| 295 | | } |
| 296 | | |
| 297 | | if (tag) { |
| 298 | | tag_copy = yaml_strdup(tag); |
| 299 | | if (!tag_copy) { |
| 300 | | emitter->error = YAML_MEMORY_ERROR; |
| 301 | | goto error; |
| 302 | | } |
| 303 | | } |
| 304 | | |
| 305 | | SEQUENCE_START_EVENT_INIT(event, anchor_copy, tag_copy, |
| 306 | | implicit, style, mark, mark); |
| 307 | | |
| 308 | | if (yaml_emitter_emit(emitter, &event)) { |
| 309 | | return 1; |
| 310 | | } |
| 311 | | |
| 312 | | error: |
| 313 | | yaml_free(anchor_copy); |
| 314 | | yaml_free(tag_copy); |
| 315 | | |
| 316 | | return 0; |
| 317 | | } |
| 318 | | |
| 319 | | /* |
| 320 | | * Emit SEQUENCE-END. |
| 321 | | */ |
| 322 | | |
| 323 | | YAML_DECLARE(int) |
| 324 | | yaml_emitter_emit_sequence_end(yaml_emitter_t *emitter) |
| 325 | | { |
| 326 | | yaml_event_t event; |
| 327 | | yaml_mark_t mark = { 0, 0, 0 }; |
| 328 | | |
| 329 | | assert(emitter); /* Non-NULL emitter object is expected. */ |
| 330 | | |
| 331 | | SEQUENCE_END_EVENT_INIT(event, mark, mark); |
| 332 | | |
| 333 | | return yaml_emitter_emit(emitter, &event); |
| 334 | | } |
| 335 | | |
| 336 | | /* |
| 337 | | * Emit MAPPING-START. |
| 338 | | */ |
| 339 | | |
| 340 | | YAML_DECLARE(int) |
| 341 | | yaml_emitter_emit_mapping_start(yaml_emitter_t *emitter, |
| 342 | | yaml_char_t *anchor, yaml_char_t *tag, int implicit, |
| 343 | | yaml_mapping_style_t style) |
| 344 | | { |
| 345 | | yaml_event_t event; |
| 346 | | yaml_mark_t mark = { 0, 0, 0 }; |
| 347 | | yaml_char_t *anchor_copy = NULL; |
| 348 | | yaml_char_t *tag_copy = NULL; |
| 349 | | |
| 350 | | assert(emitter); /* Non-NULL emitter object is expected. */ |
| 351 | | |
| 352 | | if (anchor) { |
| 353 | | anchor_copy = yaml_strdup(anchor); |
| 354 | | if (!anchor_copy) { |
| 355 | | emitter->error = YAML_MEMORY_ERROR; |
| 356 | | goto error; |
| 357 | | } |
| 358 | | } |
| 359 | | |
| 360 | | if (tag) { |
| 361 | | tag_copy = yaml_strdup(tag); |
| 362 | | if (!tag_copy) { |
| 363 | | emitter->error = YAML_MEMORY_ERROR; |
| 364 | | goto error; |
| 365 | | } |
| 366 | | } |
| 367 | | |
| 368 | | MAPPING_START_EVENT_INIT(event, anchor_copy, tag_copy, |
| 369 | | implicit, style, mark, mark); |
| 370 | | |
| 371 | | if (yaml_emitter_emit(emitter, &event)) { |
| 372 | | return 1; |
| 373 | | } |
| 374 | | |
| 375 | | error: |
| 376 | | yaml_free(anchor_copy); |
| 377 | | yaml_free(tag_copy); |
| 378 | | |
| 379 | | return 0; |
| 380 | | } |
| 381 | | |
| 382 | | /* |
| 383 | | * Emit MAPPING-END. |
| 384 | | */ |
| 385 | | |
| 386 | | YAML_DECLARE(int) |
| 387 | | yaml_emitter_emit_mapping_end(yaml_emitter_t *emitter) |
| 388 | | { |
| 389 | | yaml_event_t event; |
| 390 | | yaml_mark_t mark = { 0, 0, 0 }; |
| 391 | | |
| 392 | | assert(emitter); /* Non-NULL emitter object is expected. */ |
| 393 | | |
| 394 | | MAPPING_END_EVENT_INIT(event, mark, mark); |
| 395 | | |
| 396 | | return yaml_emitter_emit(emitter, &event); |
| 397 | | } |
| 398 | | |
| 399 | | /* |
| 400 | | * Emit an event. |
| 401 | | */ |
| 402 | | |
| 403 | | YAML_DECLARE(int) |
| 404 | | yaml_emitter_emit(yaml_emitter_t *emitter, yaml_event_t *event) |
| 405 | | { |
| 406 | | return 0; |
| 407 | | } |
| 408 | | |
| | 802 | static int |
| | 803 | yaml_emitter_emit_alias(yaml_emitter_t *emitter, yaml_event_t *event) |
| | 804 | { |
| | 805 | if (!yaml_emitter_process_anchor(emitter, event->data.alias.anchor, 1)) |
| | 806 | return 0; |
| | 807 | emitter->state = POP(emitter, emitter->states); |
| | 808 | |
| | 809 | return 1; |
| | 810 | } |
| | 811 | |
| | 812 | static int |
| | 813 | yaml_emitter_emit_scalar(yaml_emitter_t *emitter, yaml_event_t *event) |
| | 814 | { |
| | 815 | if (!yaml_emitter_process_anchor(emitter, event->data.scalar.anchor, 0)) |
| | 816 | return 0; |
| | 817 | if (!yaml_emitter_process_tag(emitter, event->data.scalar.tag)) |
| | 818 | return 0; |
| | 819 | if (!yaml_emitter_increase_indent(emitter, 1, 0)) |
| | 820 | return 0; |
| | 821 | if (!yaml_emitter_process_scalar(emitter, |
| | 822 | event->data.scalar.value, event->data.scalar.length, |
| | 823 | event->data.scalar.plain_implicit, |
| | 824 | event->data.scalar.quoted_implicit, |
| | 825 | event->data.scalar.style)) |
| | 826 | return 0; |
| | 827 | emitter->indent = POP(emitter, emitter->indents); |
| | 828 | emitter->state = POP(emitter, emitter->states); |
| | 829 | |
| | 830 | return 1; |
| | 831 | } |
| | 832 | |
| | 833 | static int |
| | 834 | yaml_emitter_emit_sequence_start(yaml_emitter_t *emitter, yaml_event_t *event) |
| | 835 | { |
| | 836 | if (!yaml_emitter_process_anchor(emitter, |
| | 837 | event->data.sequence_start.anchor, 0)) |
| | 838 | return 0; |
| | 839 | if (!yaml_emitter_process_tag(emitter, |
| | 840 | event->data.sequence_start.tag)) |
| | 841 | return 0; |
| | 842 | |
| | 843 | if (emitter->flow_level || emitter->canonical |
| | 844 | || event->data.sequence_start.style == YAML_FLOW_SEQUENCE_STYLE |
| | 845 | || yaml_emitter_check_empty_sequence(emitter)) { |
| | 846 | emitter->state = YAML_EMIT_FLOW_SEQUENCE_FIRST_ITEM_STATE; |
| | 847 | } |
| | 848 | else { |
| | 849 | emitter->state = YAML_EMIT_BLOCK_SEQUENCE_FIRST_ITEM_STATE; |
| | 850 | } |
| | 851 | |
| | 852 | return 1; |
| | 853 | } |
| | 854 | |
| | 855 | static int |
| | 856 | yaml_emitter_emit_mapping_start(yaml_emitter_t *emitter, yaml_event_t *event) |
| | 857 | { |
| | 858 | if (!yaml_emitter_process_anchor(emitter, |
| | 859 | event->data.mapping_start.anchor, 0)) |
| | 860 | return 0; |
| | 861 | if (!yaml_emitter_process_tag(emitter, |
| | 862 | event->data.mapping_start.tag)) |
| | 863 | return 0; |
| | 864 | |
| | 865 | if (emitter->flow_level || emitter->canonical |
| | 866 | || event->data.mapping_start.style == YAML_FLOW_MAPPING_STYLE |
| | 867 | || yaml_emitter_check_empty_mapping(emitter)) { |
| | 868 | emitter->state = YAML_EMIT_FLOW_MAPPING_FIRST_KEY_STATE; |
| | 869 | } |
| | 870 | else { |
| | 871 | emitter->state = YAML_EMIT_BLOCK_MAPPING_FIRST_KEY_STATE; |
| | 872 | } |
| | 873 | |
| | 874 | return 1; |
| | 875 | } |
| | 876 | |