/* the Music Player Daemon (MPD) * (c)2003-2004 by Warren Dukes (shank@mercury.chem.pitt.edu) * This project's homepage is: http://www.musicpd.org * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "song.h" #include "ls.h" #include "directory.h" #include "tables.h" #include "utils.h" #include "tag.h" #include "log.h" #include "path.h" #include "playlist.h" #include "tables.h" #include "inputPlugin.h" #define SONG_KEY "key: " #define SONG_FILE "file: " #define SONG_ARTIST "Artist: " #define SONG_ALBUM "Album: " #define SONG_TRACK "Track: " #define SONG_TITLE "Title: " #define SONG_TIME "Time: " #define SONG_MTIME "mtime: " #include <stdlib.h> #include <string.h> Song * newNullSong() { Song * song = malloc(sizeof(Song)); song->tag = NULL; song->utf8url = NULL; song->type = SONG_TYPE_FILE; return song; } Song * newSong(char * utf8url, SONG_TYPE type) { Song * song = newNullSong(); song->utf8url = strdup(utf8url); song->type = type; if(song->type == SONG_TYPE_FILE) { InputPlugin * plugin; if((plugin = isMusic(utf8url,&(song->mtime)))) { song->tag = plugin->tagDupFunc(utf8url); } if(!song->tag || song->tag->time<0) { freeSong(song); song = NULL; } else addSongToTables(song); } return song; } void freeSong(Song * song) { deleteASongFromPlaylist(song); if(song->type == SONG_TYPE_FILE) removeASongFromTables(song); free(song->utf8url); if(song->tag) freeMpdTag(song->tag); free(song); } void freeJustSong(Song * song) { free(song->utf8url); if(song->tag) freeMpdTag(song->tag); free(song); } SongList * newSongList() { return makeList((ListFreeDataFunc *)freeSong); } Song * addSongToList(SongList * list, char * key, char * utf8url, SONG_TYPE type) { Song * song = NULL; switch(type) { case SONG_TYPE_FILE: if(isMusic(utf8url,NULL)) { song = newSong(utf8url,type); } break; case SONG_TYPE_URL: song = newSong(utf8url,type); break; } if(song==NULL) return NULL; insertInList(list,key,(void *)song); return song; } void freeSongList(SongList * list) { freeList(list); } int printSongInfo(FILE * fp, Song * song) { myfprintf(fp,"%s%s\n",SONG_FILE,song->utf8url); if(song->tag) printMpdTag(fp,song->tag); return 0; } int printSongInfoFromList(FILE * fp, SongList * list) { ListNode * tempNode = list->firstNode; while(tempNode!=NULL) { printSongInfo(fp,(Song *)tempNode->data); tempNode = tempNode->nextNode; } return 0; } void writeSongInfoFromList(FILE * fp, SongList * list) { ListNode * tempNode = list->firstNode; myfprintf(fp,"%s\n",SONG_BEGIN); while(tempNode!=NULL) { myfprintf(fp,"%s%s\n",SONG_KEY,tempNode->key); printSongInfo(fp,(Song *)tempNode->data); myfprintf(fp,"%s%li\n",SONG_MTIME,(long)((Song *)tempNode->data)->mtime); tempNode = tempNode->nextNode; } myfprintf(fp,"%s\n",SONG_END); } void insertSongIntoList(SongList * list, ListNode ** nextSongNode, char * key, Song * song) { ListNode * nodeTemp; int cmpRet= 0; while(*nextSongNode && (cmpRet = strcmp(key,(*nextSongNode)->key)) > 0) { nodeTemp = (*nextSongNode)->nextNode; deleteNodeFromList(list,*nextSongNode); *nextSongNode = nodeTemp; } if(!(*nextSongNode)) { insertInList(list,key,(void *)song); addSongToTables(song); } else if(cmpRet == 0) { Song * tempSong = (Song *)((*nextSongNode)->data); if(tempSong->mtime != song->mtime) { removeASongFromTables(tempSong); freeMpdTag(tempSong->tag); tempSong->tag = song->tag; tempSong->mtime = song->mtime; song->tag = NULL; addSongToTables(tempSong); } freeJustSong(song); *nextSongNode = (*nextSongNode)->nextNode; } else { addSongToTables(song); insertInListBeforeNode(list,*nextSongNode,key,(void *)song); } } void readSongInfoIntoList(FILE * fp, SongList * list) { char buffer[MAXPATHLEN+1024]; int bufferSize = MAXPATHLEN+1024; Song * song = NULL; char * key = NULL; ListNode * nextSongNode = list->firstNode; ListNode * nodeTemp; while(myFgets(buffer,bufferSize,fp) && 0!=strcmp(SONG_END,buffer)) { if(0==strncmp(SONG_KEY,buffer,strlen(SONG_KEY))) { if(song) { insertSongIntoList(list,&nextSongNode,key,song); song = NULL; free(key); } key = strdup(&(buffer[strlen(SONG_KEY)])); song = newNullSong(); song->type = SONG_TYPE_FILE; } else if(0==strncmp(SONG_FILE,buffer,strlen(SONG_FILE))) { if(!song || song->utf8url) { ERROR("Problems reading song info\n"); exit(EXIT_FAILURE); } song->utf8url = strdup(&(buffer[strlen(SONG_FILE)])); } else if(0==strncmp(SONG_ARTIST,buffer,strlen(SONG_ARTIST))) { if(!song->tag) song->tag = newMpdTag(); song->tag->artist = strdup(&(buffer[strlen(SONG_ARTIST)])); } else if(0==strncmp(SONG_ALBUM,buffer,strlen(SONG_ALBUM))) { if(!song->tag) song->tag = newMpdTag(); song->tag->album = strdup(&(buffer[strlen(SONG_ALBUM)])); } else if(0==strncmp(SONG_TRACK,buffer,strlen(SONG_TRACK))) { if(!song->tag) song->tag = newMpdTag(); song->tag->track = strdup(&(buffer[strlen(SONG_TRACK)])); } else if(0==strncmp(SONG_TITLE,buffer,strlen(SONG_TITLE))) { if(!song->tag) song->tag = newMpdTag(); song->tag->title = strdup(&(buffer[strlen(SONG_TITLE)])); } else if(0==strncmp(SONG_TIME,buffer,strlen(SONG_TIME))) { if(!song->tag) song->tag = newMpdTag(); song->tag->time = atoi(&(buffer[strlen(SONG_TIME)])); } else if(0==strncmp(SONG_MTIME,buffer,strlen(SONG_MTIME))) { song->mtime = atoi(&(buffer[strlen(SONG_TITLE)])); } else { ERROR("songinfo: unknown line in db: %s\n",buffer); exit(EXIT_FAILURE); } } if(song) { insertSongIntoList(list,&nextSongNode,key,song); song = NULL; free(key); } while(nextSongNode) { nodeTemp = nextSongNode->nextNode; deleteNodeFromList(list,nextSongNode); nextSongNode = nodeTemp; } } int updateSongInfo(Song * song) { char * utf8url = song->utf8url; if(song->type == SONG_TYPE_FILE) { InputPlugin * plugin; removeASongFromTables(song); if(song->tag) freeMpdTag(song->tag); song->tag = NULL; if((plugin = isMusic(utf8url,&(song->mtime)))) { song->tag = plugin->tagDupFunc(utf8url); } if(!song->tag || song->tag->time<0) return -1; else addSongToTables(song); } return 0; } Song * songDup(Song * song) { Song * ret = malloc(sizeof(Song)); ret->utf8url = strdup(song->utf8url); ret->mtime = song->mtime; ret->tag = mpdTagDup(song->tag); ret->type = song->type; return ret; } /* vim:set shiftwidth=4 tabstop=8 expandtab: */