mpd/src/dbUtils.c
J. Alexander Treuman 1ae3bdb7e6 Moving a bunch of the LocateTagItem code to locate.[ch] so that it can
later be used for playlist searching.

git-svn-id: https://svn.musicpd.org/mpd/trunk@5419 09075e82-0dd4-0310-85a5-a0d7c8717e4f
2007-02-24 00:54:54 +00:00

295 lines
6.4 KiB
C

/* the Music Player Daemon (MPD)
* (c)2003-2006 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 "dbUtils.h"
#include "directory.h"
#include "myfprintf.h"
#include "utils.h"
#include "playlist.h"
#include "song.h"
#include "tag.h"
#include "tagTracker.h"
#include "log.h"
typedef struct _ListCommandItem {
mpd_sint8 tagType;
int numConditionals;
LocateTagItem *conditionals;
} ListCommandItem;
typedef struct _LocateTagItemArray {
int numItems;
LocateTagItem *items;
} LocateTagItemArray;
static int countSongsInDirectory(int fd, Directory * directory, void *data)
{
int *count = (int *)data;
*count += directory->songs->numberOfNodes;
return 0;
}
static int printDirectoryInDirectory(int fd, Directory * directory,
void *data)
{
if (directory->path) {
fdprintf(fd, "directory: %s\n", getDirectoryPath(directory));
}
return 0;
}
static int printSongInDirectory(int fd, Song * song, void *data)
{
printSongUrl(fd, song);
return 0;
}
static int searchInDirectory(int fd, Song * song, void *data)
{
LocateTagItemArray *array = data;
if (strstrSearchTags(song, array->numItems, array->items))
printSongInfo(fd, song);
return 0;
}
int searchForSongsIn(int fd, char *name, int numItems, LocateTagItem * items)
{
int ret = -1;
int i;
char **originalNeedles = xmalloc(numItems * sizeof(char *));
LocateTagItemArray array;
for (i = 0; i < numItems; i++) {
originalNeedles[i] = items[i].needle;
items[i].needle = strDupToUpper(originalNeedles[i]);
}
array.numItems = numItems;
array.items = items;
ret = traverseAllIn(fd, name, searchInDirectory, NULL, &array);
for (i = 0; i < numItems; i++) {
free(items[i].needle);
items[i].needle = originalNeedles[i];
}
free(originalNeedles);
return ret;
}
static int findInDirectory(int fd, Song * song, void *data)
{
LocateTagItemArray *array = data;
if (tagItemsFoundAndMatches(song, array->numItems, array->items))
printSongInfo(fd, song);
return 0;
}
int findSongsIn(int fd, char *name, int numItems, LocateTagItem * items)
{
LocateTagItemArray array;
array.numItems = numItems;
array.items = items;
return traverseAllIn(fd, name, findInDirectory, NULL, (void *)&array);
}
int printAllIn(int fd, char *name)
{
return traverseAllIn(fd, name, printSongInDirectory,
printDirectoryInDirectory, NULL);
}
static int directoryAddSongToPlaylist(int fd, Song * song, void *data)
{
return addSongToPlaylist(fd, song, 0);
}
static int directoryAddSongToStoredPlaylist(int fd, Song *song, void *data)
{
return addSongToStoredPlaylist(fd, song, (char *)data);
}
int addAllIn(int fd, char *name)
{
return traverseAllIn(fd, name, directoryAddSongToPlaylist, NULL, NULL);
}
int addAllInToStoredPlaylist(int fd, char *name, char *utf8file)
{
return traverseAllIn(fd, name, directoryAddSongToStoredPlaylist, NULL,
(void *)utf8file);
}
static int directoryPrintSongInfo(int fd, Song * song, void *data)
{
return printSongInfo(fd, song);
}
static int sumSongTime(int fd, Song * song, void *data)
{
unsigned long *time = (unsigned long *)data;
if (song->tag && song->tag->time >= 0)
*time += song->tag->time;
return 0;
}
int printInfoForAllIn(int fd, char *name)
{
return traverseAllIn(fd, name, directoryPrintSongInfo,
printDirectoryInDirectory, NULL);
}
int countSongsIn(int fd, char *name)
{
int count = 0;
void *ptr = (void *)&count;
traverseAllIn(fd, name, NULL, countSongsInDirectory, ptr);
return count;
}
unsigned long sumSongTimesIn(int fd, char *name)
{
unsigned long dbPlayTime = 0;
void *ptr = (void *)&dbPlayTime;
traverseAllIn(fd, name, sumSongTime, NULL, ptr);
return dbPlayTime;
}
static ListCommandItem *newListCommandItem(int tagType, int numConditionals,
LocateTagItem * conditionals)
{
ListCommandItem *item = xmalloc(sizeof(ListCommandItem));
item->tagType = tagType;
item->numConditionals = numConditionals;
item->conditionals = conditionals;
return item;
}
static void freeListCommandItem(ListCommandItem * item)
{
free(item);
}
static void visitTag(int fd, Song * song, int tagType)
{
int i;
MpdTag *tag = song->tag;
if (tagType == LOCATE_TAG_FILE_TYPE) {
printSongUrl(fd, song);
return;
}
if (!tag)
return;
for (i = 0; i < tag->numOfItems; i++) {
if (tag->items[i].type == tagType) {
visitInTagTracker(tagType, tag->items[i].value);
}
}
}
static int listUniqueTagsInDirectory(int fd, Song * song, void *data)
{
ListCommandItem *item = data;
if (tagItemsFoundAndMatches(song, item->numConditionals,
item->conditionals)) {
visitTag(fd, song, item->tagType);
}
return 0;
}
int listAllUniqueTags(int fd, int type, int numConditionals,
LocateTagItem * conditionals)
{
int ret;
ListCommandItem *item = newListCommandItem(type, numConditionals,
conditionals);
if (type >= 0 && type <= TAG_NUM_OF_ITEM_TYPES) {
resetVisitedFlagsInTagTracker(type);
}
ret = traverseAllIn(fd, NULL, listUniqueTagsInDirectory, NULL,
(void *)item);
if (type >= 0 && type <= TAG_NUM_OF_ITEM_TYPES) {
printVisitedInTagTracker(fd, type);
}
freeListCommandItem(item);
return ret;
}
static int sumSavedFilenameMemoryInDirectory(int fd, Directory * dir,
void *data)
{
int *sum = data;
if (!dir->path)
return 0;
*sum += (strlen(getDirectoryPath(dir)) + 1 - sizeof(Directory *)) *
dir->songs->numberOfNodes;
return 0;
}
static int sumSavedFilenameMemoryInSong(int fd, Song * song, void *data)
{
int *sum = data;
*sum += strlen(song->url) + 1;
return 0;
}
void printSavedMemoryFromFilenames(void)
{
int sum = 0;
traverseAllIn(STDERR_FILENO, NULL, sumSavedFilenameMemoryInSong,
sumSavedFilenameMemoryInDirectory, (void *)&sum);
DEBUG("saved memory from filenames: %i\n", sum);
}