コード例 #1
0
ファイル: mpd_client.c プロジェクト: kvbx/ympd
int mpd_search(char *buffer, char *searchstr)
{
    int i = 0;
    char *cur = buffer;
    const char *end = buffer + MAX_SIZE;
    struct mpd_song *song;

    if(mpd_search_db_songs(mpd.conn, false) == false)
        RETURN_ERROR_AND_RECOVER("mpd_search_db_songs");
    else if(mpd_search_add_any_tag_constraint(mpd.conn, MPD_OPERATOR_DEFAULT, searchstr) == false)
        RETURN_ERROR_AND_RECOVER("mpd_search_add_any_tag_constraint");
    else if(mpd_search_commit(mpd.conn) == false)
        RETURN_ERROR_AND_RECOVER("mpd_search_commit");
    else {
        cur += json_emit_raw_str(cur, end - cur, "{\"type\":\"search\",\"data\":[ ");

        while((song = mpd_recv_song(mpd.conn)) != NULL) {
            cur += json_emit_raw_str(cur, end - cur, "{\"type\":\"song\",\"uri\":");
            cur += json_emit_quoted_str(cur, end - cur, mpd_song_get_uri(song));
            cur += json_emit_raw_str(cur, end - cur, ",\"album\":");
            cur += json_emit_quoted_str(cur, end - cur, mpd_get_album(song));
            cur += json_emit_raw_str(cur, end - cur, ",\"artist\":");
            cur += json_emit_quoted_str(cur, end - cur, mpd_get_artist(song));
            cur += json_emit_raw_str(cur, end - cur, ",\"duration\":");
            cur += json_emit_int(cur, end - cur, mpd_song_get_duration(song));
            cur += json_emit_raw_str(cur, end - cur, ",\"title\":");
            cur += json_emit_quoted_str(cur, end - cur, mpd_get_title(song));
            cur += json_emit_raw_str(cur, end - cur, "},");
            mpd_song_free(song);

            /* Maximum results */
            if(i++ >= 300)
            {
                cur += json_emit_raw_str(cur, end - cur, "{\"type\":\"wrap\"},");
                break;
            }
        }

        /* remove last ',' */
        cur--;

        cur += json_emit_raw_str(cur, end - cur, "]}");
    }
    return cur - buffer;
}
コード例 #2
0
ファイル: mpd_client.c プロジェクト: kvbx/ympd
int mpd_put_queue(char *buffer, unsigned int offset)
{
    char *cur = buffer;
    const char *end = buffer + MAX_SIZE;
    struct mpd_entity *entity;

    if (!mpd_send_list_queue_range_meta(mpd.conn, offset, offset+MAX_ELEMENTS_PER_PAGE))
        RETURN_ERROR_AND_RECOVER("mpd_send_list_queue_meta");

    cur += json_emit_raw_str(cur, end  - cur, "{\"type\":\"queue\",\"data\":[ ");

    while((entity = mpd_recv_entity(mpd.conn)) != NULL) {
        const struct mpd_song *song;

        if(mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG) {
            song = mpd_entity_get_song(entity);

            cur += json_emit_raw_str(cur, end - cur, "{\"id\":");
            cur += json_emit_int(cur, end - cur, mpd_song_get_id(song));
            cur += json_emit_raw_str(cur, end - cur, ",\"pos\":");
            cur += json_emit_int(cur, end - cur, mpd_song_get_pos(song));
            cur += json_emit_raw_str(cur, end - cur, ",\"duration\":");
            cur += json_emit_int(cur, end - cur, mpd_song_get_duration(song));
            cur += json_emit_raw_str(cur, end - cur, ",\"artist\":");
            cur += json_emit_quoted_str(cur, end - cur, mpd_get_artist(song));
            cur += json_emit_raw_str(cur, end - cur, ",\"album\":");
            cur += json_emit_quoted_str(cur, end - cur, mpd_get_album(song));
            cur += json_emit_raw_str(cur, end - cur, ",\"title\":");
            cur += json_emit_quoted_str(cur, end - cur, mpd_get_title(song));
            cur += json_emit_raw_str(cur, end - cur, "},");
        }
        mpd_entity_free(entity);
    }

    /* remove last ',' */
    cur--;

    cur += json_emit_raw_str(cur, end - cur, "]}");
    return cur - buffer;
}
コード例 #3
0
ファイル: mpd_client.c プロジェクト: rain0r/ympd
int mpd_put_browse(char *buffer, char *path, unsigned int offset)
{
    char *cur = buffer;
    const char *end = buffer + MAX_SIZE;
    struct mpd_entity *entity;
    unsigned int entity_count = 0;

    if (!mpd_send_list_meta(mpd.conn, path))
        RETURN_ERROR_AND_RECOVER("mpd_send_list_meta");

    cur += json_emit_raw_str(cur, end  - cur, "{\"type\":\"browse\",\"data\":[ ");

    while((entity = mpd_recv_entity(mpd.conn)) != NULL) {
        const struct mpd_song *song;
        const struct mpd_directory *dir;
        const struct mpd_playlist *pl;

        if(offset > entity_count)
        {
            mpd_entity_free(entity);
            entity_count++;
            continue;
        }
        else if(offset + MAX_ELEMENTS_PER_PAGE - 1 < entity_count)
        {
            mpd_entity_free(entity);
            cur += json_emit_raw_str(cur, end  - cur, "{\"type\":\"wrap\",\"count\":");
            cur += json_emit_int(cur, end - cur, entity_count);
            cur += json_emit_raw_str(cur, end  - cur, "} ");
            break;
        }

        switch (mpd_entity_get_type(entity)) {
            case MPD_ENTITY_TYPE_UNKNOWN:
                break;

            case MPD_ENTITY_TYPE_SONG:
                song = mpd_entity_get_song(entity);
                cur += json_emit_raw_str(cur, end - cur, "{\"type\":\"song\",\"uri\":");
                cur += json_emit_quoted_str(cur, end - cur, mpd_song_get_uri(song));
                cur += json_emit_raw_str(cur, end - cur, ",\"duration\":");
                cur += json_emit_int(cur, end - cur, mpd_song_get_duration(song));
                cur += json_emit_raw_str(cur, end - cur, ",\"title\":");
                cur += json_emit_quoted_str(cur, end - cur, mpd_get_title(song));
                cur += json_emit_raw_str(cur, end - cur, "},");
                break;

            case MPD_ENTITY_TYPE_DIRECTORY:
                dir = mpd_entity_get_directory(entity);

                cur += json_emit_raw_str(cur, end - cur, "{\"type\":\"directory\",\"dir\":");
                cur += json_emit_quoted_str(cur, end - cur, mpd_directory_get_path(dir));
                cur += json_emit_raw_str(cur, end - cur, "},");
                break;

            case MPD_ENTITY_TYPE_PLAYLIST:
                pl = mpd_entity_get_playlist(entity);
                cur += json_emit_raw_str(cur, end - cur, "{\"type\":\"playlist\",\"plist\":");
                cur += json_emit_quoted_str(cur, end - cur, mpd_playlist_get_path(pl));
                cur += json_emit_raw_str(cur, end - cur, "},");
                break;
        }
        mpd_entity_free(entity);
        entity_count++;
    }

    if (mpd_connection_get_error(mpd.conn) != MPD_ERROR_SUCCESS || !mpd_response_finish(mpd.conn)) {
        fprintf(stderr, "MPD mpd_send_list_meta: %s\n", mpd_connection_get_error_message(mpd.conn));
        mpd.conn_state = MPD_FAILURE;
        return 0;
    }

    /* remove last ',' */
    cur--;

    cur += json_emit_raw_str(cur, end - cur, "]}");
    return cur - buffer;
}