yaml_stream_end_event_initialize(yaml_event_t *event) { yaml_mark_t mark = { 0, 0, 0 }; assert(event); /* Non-NULL event object is expected. */ STREAM_END_EVENT_INIT(*event, mark, mark); return 1; }
yaml_emitter_close(yaml_emitter_t *emitter) { yaml_event_t event; yaml_mark_t mark = { 0, 0, 0 }; assert(emitter); /* Non-NULL emitter object is required. */ assert(emitter->opened); /* Emitter should be opened. */ if (emitter->closed) return 1; STREAM_END_EVENT_INIT(event, mark, mark); if (!yaml_emitter_emit(emitter, &event)) { return 0; } emitter->closed = 1; return 1; }
static int yaml_parser_parse_document_start(yaml_parser_t *parser, yaml_event_t *event, int implicit) { yaml_token_t *token; yaml_version_directive_t *version_directive = NULL; struct { yaml_tag_directive_t *start; yaml_tag_directive_t *end; } tag_directives = { NULL, NULL }; token = PEEK_TOKEN(parser); if (!token) return 0; /* Parse extra document end indicators. */ if (!implicit) { while (token->type == YAML_DOCUMENT_END_TOKEN) { SKIP_TOKEN(parser); token = PEEK_TOKEN(parser); if (!token) return 0; } } /* Parse an implicit document. */ if (implicit && token->type != YAML_VERSION_DIRECTIVE_TOKEN && token->type != YAML_TAG_DIRECTIVE_TOKEN && token->type != YAML_DOCUMENT_START_TOKEN && token->type != YAML_STREAM_END_TOKEN) { if (!yaml_parser_process_directives(parser, NULL, NULL, NULL)) return 0; if (!PUSH(parser, parser->states, YAML_PARSE_DOCUMENT_END_STATE)) return 0; parser->state = YAML_PARSE_BLOCK_NODE_STATE; DOCUMENT_START_EVENT_INIT(*event, NULL, NULL, NULL, 1, token->start_mark, token->start_mark); return 1; } /* Parse an explicit document. */ else if (token->type != YAML_STREAM_END_TOKEN) { yaml_mark_t start_mark, end_mark; start_mark = token->start_mark; if (!yaml_parser_process_directives(parser, &version_directive, &tag_directives.start, &tag_directives.end)) return 0; token = PEEK_TOKEN(parser); if (!token) goto error; if (token->type != YAML_DOCUMENT_START_TOKEN) { yaml_parser_set_parser_error(parser, "did not find expected <document start>", token->start_mark); goto error; } if (!PUSH(parser, parser->states, YAML_PARSE_DOCUMENT_END_STATE)) goto error; parser->state = YAML_PARSE_DOCUMENT_CONTENT_STATE; end_mark = token->end_mark; DOCUMENT_START_EVENT_INIT(*event, version_directive, tag_directives.start, tag_directives.end, 0, start_mark, end_mark); SKIP_TOKEN(parser); version_directive = NULL; tag_directives.start = tag_directives.end = NULL; return 1; } /* Parse the stream end. */ else { parser->state = YAML_PARSE_END_STATE; STREAM_END_EVENT_INIT(*event, token->start_mark, token->end_mark); SKIP_TOKEN(parser); return 1; } error: yaml_free(version_directive); while (tag_directives.start != tag_directives.end) { yaml_free(tag_directives.end[-1].handle); yaml_free(tag_directives.end[-1].prefix); tag_directives.end --; } yaml_free(tag_directives.start); return 0; }