diff options
Diffstat (limited to 'trunk/src/storedPlaylist.c')
-rw-r--r-- | trunk/src/storedPlaylist.c | 501 |
1 files changed, 0 insertions, 501 deletions
diff --git a/trunk/src/storedPlaylist.c b/trunk/src/storedPlaylist.c deleted file mode 100644 index 322cb1b5b..000000000 --- a/trunk/src/storedPlaylist.c +++ /dev/null @@ -1,501 +0,0 @@ -/* the Music Player Daemon (MPD) - * Copyright (C) 2007 by Warren Dukes (warren.dukes@gmail.com) - * 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 "storedPlaylist.h" -#include "log.h" -#include "path.h" -#include "utils.h" -#include "playlist.h" -#include "ack.h" -#include "command.h" -#include "ls.h" -#include "directory.h" - -#include <string.h> -#include <errno.h> - -static char *utf8pathToFsPathInStoredPlaylist(const char *utf8path, int fd) -{ - char *file; - char *rfile; - char *actualFile; - - if (strstr(utf8path, "/")) { - commandError(fd, ACK_ERROR_ARG, "playlist name \"%s\" is " - "invalid: playlist names may not contain slashes", - utf8path); - return NULL; - } - - file = utf8ToFsCharset((char *)utf8path); - - rfile = xmalloc(strlen(file) + strlen(".") + - strlen(PLAYLIST_FILE_SUFFIX) + 1); - - strcpy(rfile, file); - strcat(rfile, "."); - strcat(rfile, PLAYLIST_FILE_SUFFIX); - - actualFile = rpp2app(rfile); - - free(rfile); - - return actualFile; -} - -static unsigned int lengthOfStoredPlaylist(StoredPlaylist *sp) -{ - return sp->list->numberOfNodes; -} - -static ListNode *nodeOfStoredPlaylist(StoredPlaylist *sp, int index) -{ - int forward; - ListNode *node; - int i; - - if (index >= lengthOfStoredPlaylist(sp) || index < 0) - return NULL; - - if (index > lengthOfStoredPlaylist(sp)/2) { - forward = 0; - node = sp->list->lastNode; - i = lengthOfStoredPlaylist(sp) - 1; - } else { - forward = 1; - node = sp->list->firstNode; - i = 0; - } - - while (node != NULL) { - if (i == index) - return node; - - if (forward) { - i++; - node = node->nextNode; - } else { - i--; - node = node->prevNode; - } - } - - return NULL; -} - -static void appendSongToStoredPlaylist(StoredPlaylist *sp, Song *song) -{ - insertInListWithoutKey(sp->list, xstrdup(getSongUrl(song))); -} - -StoredPlaylist *newStoredPlaylist(const char *utf8name, int fd, int ignoreExisting) -{ - struct stat buf; - char *filename = NULL; - StoredPlaylist *sp = calloc(1, sizeof(*sp)); - if (!sp) - return NULL; - - if (utf8name) { - filename = utf8pathToFsPathInStoredPlaylist(utf8name, fd); - - if (filename && stat(filename, &buf) == 0 && - ignoreExisting == 0) { - commandError(fd, ACK_ERROR_EXIST, - "a file or directory already exists with " - "the name \"%s\"", utf8name); - free(sp); - return NULL; - } - } - - sp->list = makeList(DEFAULT_FREE_DATA_FUNC, 0); - sp->fd = fd; - - if (filename) - sp->fspath = xstrdup(filename); - - return sp; -} - -StoredPlaylist *loadStoredPlaylist(const char *utf8path, int fd) -{ - char *filename; - StoredPlaylist *sp; - FILE *file; - char s[MAXPATHLEN + 1]; - int slength = 0; - char *temp = utf8ToFsCharset((char *)utf8path); - char *parent = parentPath(temp); - int parentlen = strlen(parent); - int tempInt; - int commentCharFound = 0; - Song *song; - - filename = utf8pathToFsPathInStoredPlaylist(utf8path, fd); - if (!filename) - return NULL; - - while (!(file = fopen(filename, "r")) && errno == EINTR); - if (file == NULL) { - commandError(fd, ACK_ERROR_NO_EXIST, "could not open file " - "\"%s\": %s", filename, strerror(errno)); - return NULL; - } - - sp = newStoredPlaylist(utf8path, fd, 1); - if (!sp) - goto out; - - while ((tempInt = fgetc(file)) != EOF) { - s[slength] = tempInt; - if (s[slength] == '\n' || s[slength] == '\0') { - commentCharFound = 0; - s[slength] = '\0'; - if (s[0] == PLAYLIST_COMMENT) - commentCharFound = 1; - if (strncmp(s, musicDir, strlen(musicDir)) == 0) { - strcpy(s, &(s[strlen(musicDir)])); - } else if (parentlen) { - temp = xstrdup(s); - memset(s, 0, MAXPATHLEN + 1); - strcpy(s, parent); - strncat(s, "/", MAXPATHLEN - parentlen); - strncat(s, temp, MAXPATHLEN - parentlen - 1); - if (strlen(s) >= MAXPATHLEN) { - commandError(sp->fd, - ACK_ERROR_PLAYLIST_LOAD, - "\"%s\" is too long", temp); - free(temp); - freeStoredPlaylist(sp); - sp = NULL; - goto out; - } - free(temp); - } - slength = 0; - temp = fsCharsetToUtf8(s); - if (temp && !commentCharFound) { - song = getSongFromDB(temp); - if (song) { - appendSongToStoredPlaylist(sp, song); - continue; - } - - if (!isValidRemoteUtf8Url(temp)) - continue; - - song = newSong(temp, SONG_TYPE_URL, NULL); - if (song) { - appendSongToStoredPlaylist(sp, song); - freeJustSong(song); - } - } - } else if (slength == MAXPATHLEN) { - s[slength] = '\0'; - commandError(sp->fd, ACK_ERROR_PLAYLIST_LOAD, - "line \"%s\" in playlist \"%s\" " - "is too long", s, utf8path); - freeStoredPlaylist(sp); - sp = NULL; - goto out; - } else if (s[slength] != '\r') { - slength++; - } - } - -out: - while (fclose(file) && errno == EINTR); - return sp; -} - -void freeStoredPlaylist(StoredPlaylist *sp) -{ - if (sp->list) - freeList(sp->list); - if (sp->fspath) - free(sp->fspath); - - free(sp); -} - -static int moveSongInStoredPlaylist(int fd, StoredPlaylist *sp, int src, int dest) -{ - ListNode *srcNode, *destNode; - - if (src >= lengthOfStoredPlaylist(sp) || dest >= lengthOfStoredPlaylist(sp) || src < 0 || dest < 0 || src == dest) { - commandError(fd, ACK_ERROR_ARG, "argument out of range"); - return -1; - } - - srcNode = nodeOfStoredPlaylist(sp, src); - if (!srcNode) - return -1; - - destNode = nodeOfStoredPlaylist(sp, dest); - - /* remove src */ - if (srcNode->prevNode) - srcNode->prevNode->nextNode = srcNode->nextNode; - else - sp->list->firstNode = srcNode->nextNode; - - if (srcNode->nextNode) - srcNode->nextNode->prevNode = srcNode->prevNode; - else - sp->list->lastNode = srcNode->prevNode; - - /* this is all a bit complicated - but I tried to - * maintain the same order stuff is moved as in the - * real playlist */ - if (dest == 0) { - sp->list->firstNode->prevNode = srcNode; - srcNode->nextNode = sp->list->firstNode; - srcNode->prevNode = NULL; - sp->list->firstNode = srcNode; - } else if ((dest + 1) == lengthOfStoredPlaylist(sp)) { - sp->list->lastNode->nextNode = srcNode; - srcNode->nextNode = NULL; - srcNode->prevNode = sp->list->lastNode; - sp->list->lastNode = srcNode; - } else { - if (destNode == NULL) { - /* this shouldn't be happening. */ - return -1; - } - - if (src > dest) { - destNode->prevNode->nextNode = srcNode; - srcNode->prevNode = destNode->prevNode; - srcNode->nextNode = destNode; - destNode->prevNode = srcNode; - } else { - destNode->nextNode->prevNode = srcNode; - srcNode->prevNode = destNode; - srcNode->nextNode = destNode->nextNode; - destNode->nextNode = srcNode; - } - } - - return 0; -} - -int moveSongInStoredPlaylistByPath(int fd, const char *utf8path, int src, int dest) -{ - StoredPlaylist *sp = loadStoredPlaylist(utf8path, fd); - if (!sp) { - commandError(fd, ACK_ERROR_UNKNOWN, "could not open playlist"); - return -1; - } - - if (moveSongInStoredPlaylist(fd, sp, src, dest) != 0) { - freeStoredPlaylist(sp); - return -1; - } - - if (writeStoredPlaylist(sp) != 0) { - commandError(fd, ACK_ERROR_UNKNOWN, "failed to save playlist"); - freeStoredPlaylist(sp); - return -1; - } - - freeStoredPlaylist(sp); - return 0; -} - -/* Not used currently -static void removeAllFromStoredPlaylist(StoredPlaylist *sp) -{ - freeList(sp->list); - sp->list = makeList(DEFAULT_FREE_DATA_FUNC, 0); -} -*/ - -int removeAllFromStoredPlaylistByPath(int fd, const char *utf8path) -{ - char *filename; - FILE *file; - - filename = utf8pathToFsPathInStoredPlaylist(utf8path, fd); - if (!filename) - return -1; - - while (!(file = fopen(filename, "w")) && errno == EINTR); - if (file == NULL) { - commandError(fd, ACK_ERROR_NO_EXIST, "could not open file " - "\"%s\": %s", filename, strerror(errno)); - return -1; - } - - while (fclose(file) != 0 && errno == EINTR); - return 0; -} - -static int removeOneSongFromStoredPlaylist(int fd, StoredPlaylist *sp, int pos) -{ - ListNode *node = nodeOfStoredPlaylist(sp, pos); - if (!node) { - commandError(fd, ACK_ERROR_ARG, - "could not find song at position"); - return -1; - } - - deleteNodeFromList(sp->list, node); - - return 0; -} - -int removeOneSongFromStoredPlaylistByPath(int fd, const char *utf8path, int pos) -{ - StoredPlaylist *sp = loadStoredPlaylist(utf8path, fd); - if (!sp) { - commandError(fd, ACK_ERROR_UNKNOWN, "could not open playlist"); - return -1; - } - - if (removeOneSongFromStoredPlaylist(fd, sp, pos) != 0) { - freeStoredPlaylist(sp); - return -1; - } - - if (writeStoredPlaylist(sp) != 0) { - commandError(fd, ACK_ERROR_UNKNOWN, "failed to save playlist"); - freeStoredPlaylist(sp); - return -1; - } - - freeStoredPlaylist(sp); - return 0; -} - -static int writeStoredPlaylistToPath(StoredPlaylist *sp, const char *fspath) -{ - ListNode *node; - FILE *file; - char *s; - - if (fspath == NULL) - return -1; - - while (!(file = fopen(fspath, "w")) && errno == EINTR); - if (file == NULL) { - commandError(sp->fd, ACK_ERROR_NO_EXIST, "could not open file " - "\"%s\": %s", fspath, strerror(errno)); - return -1; - } - - node = sp->list->firstNode; - while (node != NULL) { - s = (char *)node->data; - if (isValidRemoteUtf8Url(s) || !playlist_saveAbsolutePaths) - s = utf8ToFsCharset(s); - else - s = rmp2amp(utf8ToFsCharset(s)); - fprintf(file, "%s\n", s); - node = node->nextNode; - } - - while (fclose(file) != 0 && errno == EINTR); - return 0; -} - -int writeStoredPlaylist(StoredPlaylist *sp) -{ - return writeStoredPlaylistToPath(sp, sp->fspath); -} - -int appendSongToStoredPlaylistByPath(int fd, const char *utf8path, Song *song) -{ - char *filename; - FILE *file; - char *s; - - filename = utf8pathToFsPathInStoredPlaylist(utf8path, fd); - if (!filename) - return -1; - - while (!(file = fopen(filename, "a")) && errno == EINTR); - if (file == NULL) { - commandError(fd, ACK_ERROR_NO_EXIST, "could not open file " - "\"%s\": %s", filename, strerror(errno)); - return -1; - } - - if (playlist_saveAbsolutePaths && song->type == SONG_TYPE_FILE) - s = rmp2amp(utf8ToFsCharset(getSongUrl(song))); - else - s = utf8ToFsCharset(getSongUrl(song)); - - fprintf(file, "%s\n", s); - - while (fclose(file) != 0 && errno == EINTR); - return 0; -} - -void appendPlaylistToStoredPlaylist(StoredPlaylist *sp, Playlist *playlist) -{ - int i; - for (i = 0; i < playlist->length; i++) - appendSongToStoredPlaylist(sp, playlist->songs[i]); -} - -int renameStoredPlaylist(int fd, const char *utf8from, const char *utf8to) -{ - struct stat st; - char *from; - char *to; - int ret = 0; - - from = xstrdup(utf8pathToFsPathInStoredPlaylist(utf8from, fd)); - if (!from) - return -1; - - to = xstrdup(utf8pathToFsPathInStoredPlaylist(utf8to, fd)); - if (!to) { - free(from); - return -1; - } - - if (stat(from, &st) != 0) { - commandError(fd, ACK_ERROR_NO_EXIST, - "no playlist named \"%s\"", utf8from); - ret = -1; - goto out; - } - - if (stat(to, &st) == 0) { - commandError(fd, ACK_ERROR_EXIST, "a file or directory " - "already exists with the name \"%s\"", utf8to); - ret = -1; - goto out; - } - - if (rename(from, to) < 0) { - commandError(fd, ACK_ERROR_UNKNOWN, - "could not rename playlist \"%s\" to \"%s\": %s", - utf8from, utf8to, strerror(errno)); - ret = -1; - goto out; - } - -out: - free(from); - free(to); - - return ret; -} |