Function parse_codefence

libraries/hoedown/src/document.c:1424–1450

expects single line, checks if it's a codefence and extracts language */

/* expects single line, checks if it's a codefence and extracts language */
static size_t
parse_codefence(uint8_t *data, size_t size, hoedown_buffer *lang, size_t *width, uint8_t *chr)
{
    size_t i, w, lang_start;

    i = w = is_codefence(data, size, width, chr);
    if (i == 0)
        return 0;

    while (i < size && _isspace(data[i]))
        i++;

    lang_start = i;

    while (i < size && !_isspace(data[i]))
        i++;

    lang->data = data + lang_start;
    lang->size = i - lang_start;

    /* Avoid parsing a codespan as a fence */
    i = lang_start + 2;
    while (i < size && !(data[i] == *chr && data[i-1] == *chr && data[i-2] == *chr)) i++;
    if (i < size) return 0;

    return w;
}

/* is_atxheader • returns whether the line is a hash-prefixed header */
static int