Function yaml_parser_load_scalar

external/libyaml/src/loader.c:374–408

 */

static int
yaml_parser_load_scalar(yaml_parser_t *parser, yaml_event_t *event,
        struct loader_ctx *ctx)
{
    yaml_node_t node;
    int index;
    yaml_char_t *tag = event->data.scalar.tag;

    if (!STACK_LIMIT(parser, parser->document->nodes, INT_MAX-1)) goto error;

    if (!tag || strcmp((char *)tag, "!") == 0) {
        yaml_free(tag);
        tag = yaml_strdup((yaml_char_t *)YAML_DEFAULT_SCALAR_TAG);
        if (!tag) goto error;
    }

    SCALAR_NODE_INIT(node, tag, event->data.scalar.value,
            event->data.scalar.length, event->data.scalar.style,
            event->start_mark, event->end_mark);

    if (!PUSH(parser, parser->document->nodes, node)) goto error;

    index = parser->document->nodes.top - parser->document->nodes.start;

    if (!yaml_parser_register_anchor(parser, index,
                event->data.scalar.anchor)) return 0;

    return yaml_parser_load_node_add(parser, ctx, index);

error:
    yaml_free(tag);
    yaml_free(event->data.scalar.anchor);
    yaml_free(event->data.scalar.value);
    return 0;
}

/*
 * Compose a sequence node.