static int re_parse_captures()

in src/couch_quickjs/quickjs/libregexp.c [1029:1078]

• 48 lines of code
• 18 McCabe index (conditional complexity)

static int re_parse_captures(REParseState *s, int *phas_named_captures,
                             const char *capture_name)
{
    const uint8_t *p;
    int capture_index;
    char name[TMP_BUF_SIZE];

    capture_index = 1;
    *phas_named_captures = 0;
    for (p = s->buf_start; p < s->buf_end; p++) {
        switch (*p) {
        case '(':
            if (p[1] == '?') {
                if (p[2] == '<' && p[3] != '=' && p[3] != '!') {
                    *phas_named_captures = 1;
                    /* potential named capture */
                    if (capture_name) {
                        p += 3;
                        if (re_parse_group_name(name, sizeof(name), &p) == 0) {
                            if (!strcmp(name, capture_name))
                                return capture_index;
                        }
                    }
                    capture_index++;
                    if (capture_index >= CAPTURE_COUNT_MAX)
                        goto done;
                }
            } else {
                capture_index++;
                if (capture_index >= CAPTURE_COUNT_MAX)
                    goto done;
            }
            break;
        case '\\':
            p++;
            break;
        case '[':
            for (p += 1 + (*p == ']'); p < s->buf_end && *p != ']'; p++) {
                if (*p == '\\')
                    p++;
            }
            break;
        }
    }
 done:
    if (capture_name)
        return -1;
    else
        return capture_index;
}