/* the Music Player Daemon (MPD)
* Copyright (C) 2003-2007 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 "dbUtils.h"
#include "database.h"
#include "myfprintf.h"
#include "utils.h"
#include "playlist.h"
#include "song.h"
#include "tag.h"
#include "strset.h"
#include "log.h"
#include "storedPlaylist.h"
typedef struct _ListCommandItem {
int8_t tagType;
int numConditionals;
LocateTagItem *conditionals;
} ListCommandItem;
typedef struct _LocateTagItemArray {
int numItems;
LocateTagItem *items;
} LocateTagItemArray;
typedef struct _SearchStats {
LocateTagItemArray locateArray;
int numberOfSongs;
unsigned long playTime;
} SearchStats;
static int countSongsInDirectory(struct directory *dir, void *data)
{
int *count = (int *)data;
*count += dir->songs.nr;
return 0;
}
static int printDirectoryInDirectory(struct directory *dir, void *data)
{
int fd = (int)(size_t)data;
if (dir != &music_root)
fdprintf(fd, "directory: %s\n", directory_get_path(dir));
return 0;
}
struct search_data {
int fd;
LocateTagItemArray array;
};
static int searchInDirectory(struct mpd_song * song, void *_data)
{
struct search_data *data = _data;
int fd = data->fd;
LocateTagItemArray *array = &data->array;
if (strstrSearchTags(song, array->numItems, array->items))
return (int)song_print_info(song, fd);
return 0;
}
int searchForSongsIn(int fd, const char *name, int numItems,
LocateTagItem * items)
{
int ret;
int i;
char **originalNeedles = xmalloc(numItems * sizeof(char *));
struct search_data data;
for (i = 0; i < numItems; i++) {
originalNeedles[i] = items[i].needle;
items[i].needle = strDupToUpper(originalNeedles[i]);
}
data.fd = fd;
data.array.numItems = numItems;
data.array.items = items;
ret = db_walk(name, searchInDirectory, NULL, &data);
for (i = 0; i < numItems; i++) {
free(items[i].needle);
items[i].needle = originalNeedles[i];
}
free(originalNeedles);
return ret;
}
static int findInDirectory(struct mpd_song * song, void *_data)
{
struct search_data *data = _data;
int fd = data->fd;
LocateTagItemArray *array = &data->array;
if (tagItemsFoundAndMatches(song, array->numItems, array->items))
return (int)song_print_info(song, fd);
return 0;
}
int findSongsIn(int fd, const char *name, int numItems, LocateTagItem * items)
{
struct search_data data;
data.fd = fd;
data.array.numItems = numItems;
data.array.items = items;
return db_walk(name, findInDirectory, NULL, &data);
}
static void printSearchStats(int fd, SearchStats *stats)
{
fdprintf(fd, "songs: %i\n", stats->numberOfSongs);
fdprintf(fd, "playtime: %li\n", stats->playTime);
}
static int searchStatsInDirectory(struct mpd_song * song, void *data)
{
SearchStats *stats = data;
if (tagItemsFoundAndMatches(song, stats->locateArray.numItems,
stats->locateArray.items)) {
stats->numberOfSongs++;
if (song->tag->time > 0)
stats->playTime += song->tag->time;
}
return 0;
}
int searchStatsForSongsIn(int fd, const char *name, int numItems,
LocateTagItem * items)
{
SearchStats stats;
int ret;
stats.locateArray.numItems = numItems;
stats.locateArray.items = items;
stats.numberOfSongs = 0;
stats.playTime = 0;
ret = db_walk(name, searchStatsInDirectory, NULL, &stats);
if (ret == 0)
printSearchStats(fd, &stats);
return ret;
}
int printAllIn(int fd, const char *name)
{
return db_walk(name, song_print_url_x,
printDirectoryInDirectory, (void*)(size_t)fd);
}
static int
directoryAddSongToPlaylist(struct mpd_song * song, mpd_unused void *data)
{
return addSongToPlaylist(song, NULL);
}
struct add_data {
const char *path;
};
static int directoryAddSongToStoredPlaylist(struct mpd_song *song, void *_data)
{
struct add_data *data = _data;
if (appendSongToStoredPlaylistByPath(data->path, song) != 0)
return -1;
return 0;
}
int addAllIn(const char *name)
{
return db_walk(name, directoryAddSongToPlaylist, NULL, NULL);
}
int addAllInToStoredPlaylist(const char *name, const char *utf8file)
{
struct add_data data;
data.path = utf8file;
return db_walk(name, directoryAddSongToStoredPlaylist, NULL,
&data);
}
static int sumSongTime(struct mpd_song * song, void *data)
{
unsigned long *sum_time = (unsigned long *)data;
if (song->tag && song->tag->time >= 0)
*sum_time += song->tag->time;
return 0;
}
int printInfoForAllIn(int fd, const char *name)
{
return db_walk(name, song_print_info_x,
printDirectoryInDirectory, (void*)(size_t)fd);
}
int countSongsIn(const char *name)
{
int count = 0;
void *ptr = (void *)&count;
db_walk(name, NULL, countSongsInDirectory, ptr);
return count;
}
unsigned long sumSongTimesIn(const char *name)
{
unsigned long dbPlayTime = 0;
void *ptr = (void *)&dbPlayTime;
db_walk(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, struct strset *set,
struct mpd_song * song, enum tag_type tagType)
{
int i;
struct mpd_tag *tag = song->tag;
if (tagType == LOCATE_TAG_FILE_TYPE) {
song_print_url(song, fd);
return;
}
if (!tag)
return;
for (i = 0; i < tag->numOfItems; i++) {
if (tag->items[i]->type == tagType) {
strset_add(set, tag->items[i]->value);
return;
}
}
strset_add(set, "");
}
struct list_tags_data {
int fd;
ListCommandItem *item;
struct strset *set;
};
static int listUniqueTagsInDirectory(struct mpd_song * song, void *_data)
{
struct list_tags_data *data = _data;
ListCommandItem *item = data->item;
if (tagItemsFoundAndMatches(song, item->numConditionals,
item->conditionals)) {
visitTag(data->fd, data->set, song, item->tagType);
}
return 0;
}
int listAllUniqueTags(int fd, int type, int numConditionals,
LocateTagItem * conditionals)
{
int ret;
struct list_tags_data data;
ListCommandItem *item = newListCommandItem(type, numConditionals,
conditionals);
data.item = item;
if (type >= 0 && type <= TAG_NUM_OF_ITEM_TYPES) {
data.set = strset_new();
}
ret = db_walk(NULL, listUniqueTagsInDirectory, NULL, &data);
if (type >= 0 && type <= TAG_NUM_OF_ITEM_TYPES) {
const char *value;
strset_rewind(data.set);
while ((value = strset_next(data.set)) != NULL)
fdprintf(fd, "%s: %s\n", mpdTagItemKeys[type], value);
strset_free(data.set);
}
freeListCommandItem(item);
return ret;
}
static int sumSavedFilenameMemoryInDirectory(struct directory *dir, void *data)
{
int *sum = data;
if (dir != &music_root)
return 0;
*sum += (strlen(directory_get_path(dir)) + 1
- sizeof(struct directory *)) * dir->songs.nr;
return 0;
}
static int sumSavedFilenameMemoryInSong(struct mpd_song * song, void *data)
{
int *sum = data;
*sum += strlen(song->url) + 1;
return 0;
}
void printSavedMemoryFromFilenames(void)
{
int sum = 0;
db_walk(NULL, sumSavedFilenameMemoryInSong,
sumSavedFilenameMemoryInDirectory, (void *)&sum);
DEBUG("saved memory from filenames: %i\n", sum);
}