Function parse_string

crawl-ref/source/json.cc:849–974

}

bool parse_string(const char **sp, char **out)
{
    const char *s = *sp;
    SB sb;
    char throwaway_buffer[4];
        /* enough space for a UTF-8 character */
    char *b;

    if (*s++ != '"')
        return false;

    if (out)
    {
        sb_init(&sb);
        sb_need(&sb, 4);
        b = sb.cur;
    }
    else
        b = throwaway_buffer;

    while (*s != '"')
    {
        unsigned char c = *s++;

        /* Parse next character, and write it to b. */
        if (c == '\\')
        {
            c = *s++;
            switch (c)
            {
            case '"':
            case '\\':
            case '/':
                *b++ = c;
                break;
            case 'b':
                *b++ = '\b';
                break;
            case 'f':
                *b++ = '\f';
                break;
            case 'n':
                *b++ = '\n';
                break;
            case 'r':
                *b++ = '\r';
                break;
            case 't':
                *b++ = '\t';
                break;
            case 'u':
            {
                uint16_t uc, lc;
                uchar_t unicode;

                if (!parse_hex16(&s, &uc))
                    goto failed;