Пример #1
0
Файл: json.c Проект: Akemi/mpv
static int read_id(void *ta_parent, struct mpv_node *dst, char **src)
{
    char *start = *src;
    if (!mp_isalpha(**src) && **src != '_')
        return -1;
    while (mp_isalnum(**src) || **src == '_')
        *src += 1;
    if (**src == ' ') {
        **src = '\0'; // we're allowed to mutate it => can avoid the strndup
        *src += 1;
    } else {
        start = talloc_strndup(ta_parent, start, *src - start);
    }
    dst->format = MPV_FORMAT_STRING;
    dst->u.string = start;
    return 0;
}
Пример #2
0
int m_config_parse(m_config_t *config, const char *location, bstr data,
                   char *initial_section, int flags)
{
    m_profile_t *profile = m_config_add_profile(config, initial_section);
    void *tmp = talloc_new(NULL);
    int line_no = 0;
    int errors = 0;

    bstr_eatstart0(&data, "\xEF\xBB\xBF"); // skip BOM

    while (data.len) {
        talloc_free_children(tmp);
        bool ok = false;

        line_no++;
        char loc[512];
        snprintf(loc, sizeof(loc), "%s:%d:", location, line_no);

        bstr line = bstr_strip_linebreaks(bstr_getline(data, &data));
        if (!skip_ws(&line))
            continue;

        // Profile declaration
        if (bstr_eatstart0(&line, "[")) {
            bstr profilename;
            if (!bstr_split_tok(line, "]", &profilename, &line)) {
                MP_ERR(config, "%s missing closing ]\n", loc);
                goto error;
            }
            if (skip_ws(&line)) {
                MP_ERR(config, "%s unparseable extra characters: '%.*s'\n",
                       loc, BSTR_P(line));
                goto error;
            }
            profile = m_config_add_profile(config, bstrto0(tmp, profilename));
            continue;
        }

        bstr_eatstart0(&line, "--");

        bstr option = line;
        while (line.len && (mp_isalnum(line.start[0]) || line.start[0] == '_' ||
                            line.start[0] == '-'))
            line = bstr_cut(line, 1);
        option.len = option.len - line.len;
        skip_ws(&line);

        bstr value = {0};
        if (bstr_eatstart0(&line, "=")) {
            skip_ws(&line);
            if (line.len && (line.start[0] == '"' || line.start[0] == '\'')) {
                // Simple quoting, like "value"
                char term[2] = {line.start[0], 0};
                line = bstr_cut(line, 1);
                if (!bstr_split_tok(line, term, &value, &line)) {
                    MP_ERR(config, "%s unterminated quote\n", loc);
                    goto error;
                }
            } else if (bstr_eatstart0(&line, "%")) {
                // Quoting with length, like %5%value
                bstr rest;
                long long len = bstrtoll(line, &rest, 10);
                if (rest.len == line.len || !bstr_eatstart0(&rest, "%") ||
                    len > rest.len)
                {
                    MP_ERR(config, "%s fixed-length quoting expected - put "
                           "\"quotes\" around the option value if you did not "
                           "intend to use this, but your option value starts "
                           "with '%%'\n", loc);
                    goto error;
                }
                value = bstr_splice(rest, 0, len);
                line = bstr_cut(rest, len);
            } else {
                // No quoting; take everything until the comment or end of line
                int end = bstrchr(line, '#');
                value = bstr_strip(end < 0 ? line : bstr_splice(line, 0, end));
                line.len = 0;
            }
        }
        if (skip_ws(&line)) {
            MP_ERR(config, "%s unparseable extra characters: '%.*s'\n",
                   loc, BSTR_P(line));
            goto error;
        }

        int res;
        if (profile) {
            if (bstr_equals0(option, "profile-desc")) {
                m_profile_set_desc(profile, value);
                res = 0;
            } else {
                res = m_config_set_profile_option(config, profile, option, value);
            }
        } else {
            res = m_config_set_option_ext(config, option, value, flags);
        }
        if (res < 0) {
            MP_ERR(config, "%s setting option %.*s='%.*s' failed.\n",
                   loc, BSTR_P(option), BSTR_P(value));
            goto error;
        }

        ok = true;
    error:
        if (!ok)
            errors++;
        if (errors > 16) {
            MP_ERR(config, "%s: too many errors, stopping.\n", location);
            break;
        }
    }

    talloc_free(tmp);
    return 1;
}