Function yaml_parser_fetch_document_indicator

external/libyaml/src/scanner.c:1421–1460

 */

static int
yaml_parser_fetch_document_indicator(yaml_parser_t *parser,
        yaml_token_type_t type)
{
    yaml_mark_t start_mark, end_mark;
    yaml_token_t token;

    /* Reset the indentation level. */

    if (!yaml_parser_unroll_indent(parser, -1))
        return 0;

    /* Reset simple keys. */

    if (!yaml_parser_remove_simple_key(parser))
        return 0;

    parser->simple_key_allowed = 0;

    /* Consume the token. */

    start_mark = parser->mark;

    SKIP(parser);
    SKIP(parser);
    SKIP(parser);

    end_mark = parser->mark;

    /* Create the DOCUMENT-START or DOCUMENT-END token. */

    TOKEN_INIT(token, type, start_mark, end_mark);

    /* Append the token to the queue. */

    if (!ENQUEUE(parser, parser->tokens, token))
        return 0;

    return 1;
}

/*
 * Produce the FLOW-SEQUENCE-START or FLOW-MAPPING-START token.