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/* the Music Player Daemon (MPD)
* (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 "locate.h"
#include "path.h"
#include "utils.h"
#include "tag.h"
#define LOCATE_TAG_FILE_KEY "file"
#define LOCATE_TAG_FILE_KEY_OLD "filename"
#define LOCATE_TAG_ANY_KEY "any"
int getLocateTagItemType(const char *str)
{
int i;
if (0 == strcasecmp(str, LOCATE_TAG_FILE_KEY) ||
0 == strcasecmp(str, LOCATE_TAG_FILE_KEY_OLD))
{
return LOCATE_TAG_FILE_TYPE;
}
if (0 == strcasecmp(str, LOCATE_TAG_ANY_KEY))
{
return LOCATE_TAG_ANY_TYPE;
}
for (i = 0; i < TAG_NUM_OF_ITEM_TYPES; i++)
{
if (0 == strcasecmp(str, mpdTagItemKeys[i]))
return i;
}
return -1;
}
static int initLocateTagItem(LocateTagItem * item,
const char *typeStr, const char *needle)
{
item->tagType = getLocateTagItemType(typeStr);
if (item->tagType < 0)
return -1;
item->needle = xstrdup(needle);
return 0;
}
LocateTagItem *newLocateTagItem(const char *typeStr, const char *needle)
{
LocateTagItem *ret = xmalloc(sizeof(LocateTagItem));
if (initLocateTagItem(ret, typeStr, needle) < 0) {
free(ret);
ret = NULL;
}
return ret;
}
void freeLocateTagItemArray(int count, LocateTagItem * array)
{
int i;
for (i = 0; i < count; i++)
free(array[i].needle);
free(array);
}
int newLocateTagItemArrayFromArgArray(char *argArray[],
int numArgs, LocateTagItem ** arrayRet)
{
int i, j;
LocateTagItem *item;
if (numArgs == 0)
return 0;
if (numArgs % 2 != 0)
return -1;
*arrayRet = xmalloc(sizeof(LocateTagItem) * numArgs / 2);
for (i = 0, item = *arrayRet; i < numArgs / 2; i++, item++) {
if (initLocateTagItem
(item, argArray[i * 2], argArray[i * 2 + 1]) < 0)
goto fail;
}
return numArgs / 2;
fail:
for (j = 0; j < i; j++) {
free((*arrayRet)[j].needle);
}
free(*arrayRet);
*arrayRet = NULL;
return -1;
}
void freeLocateTagItem(LocateTagItem * item)
{
free(item->needle);
free(item);
}
static int strstrSearchTag(Song * song, enum tag_type type, char *str)
{
int i;
char *duplicate;
int ret = 0;
mpd_sint8 visitedTypes[TAG_NUM_OF_ITEM_TYPES] = { 0 };
if (type == LOCATE_TAG_FILE_TYPE || type == LOCATE_TAG_ANY_TYPE) {
char path_max_tmp[MPD_PATH_MAX];
string_toupper(get_song_url(path_max_tmp, song));
if (strstr(path_max_tmp, str))
ret = 1;
if (ret == 1 || type == LOCATE_TAG_FILE_TYPE)
return ret;
}
if (!song->tag)
return 0;
for (i = 0; i < song->tag->numOfItems && !ret; i++) {
visitedTypes[song->tag->items[i]->type] = 1;
if (type != LOCATE_TAG_ANY_TYPE &&
song->tag->items[i]->type != type) {
continue;
}
duplicate = strDupToUpper(song->tag->items[i]->value);
if (*str && strstr(duplicate, str))
ret = 1;
free(duplicate);
}
/** If the search critieron was not visited during the sweep
* through the song's tag, it means this field is absent from
* the tag or empty. Thus, if the searched string is also
* empty (first char is a \0), then it's a match as well and
* we should return 1.
*/
if (!*str && !visitedTypes[type])
return 1;
return ret;
}
int strstrSearchTags(Song * song, int numItems, LocateTagItem * items)
{
int i;
for (i = 0; i < numItems; i++) {
if (!strstrSearchTag(song, items[i].tagType,
items[i].needle)) {
return 0;
}
}
return 1;
}
static int tagItemFoundAndMatches(Song * song, enum tag_type type, char *str)
{
int i;
mpd_sint8 visitedTypes[TAG_NUM_OF_ITEM_TYPES] = { 0 };
if (type == LOCATE_TAG_FILE_TYPE || type == LOCATE_TAG_ANY_TYPE) {
char path_max_tmp[MPD_PATH_MAX];
if (0 == strcmp(str, get_song_url(path_max_tmp, song)))
return 1;
if (type == LOCATE_TAG_FILE_TYPE)
return 0;
}
if (!song->tag)
return 0;
for (i = 0; i < song->tag->numOfItems; i++) {
visitedTypes[song->tag->items[i]->type] = 1;
if (type != LOCATE_TAG_ANY_TYPE &&
song->tag->items[i]->type != type) {
continue;
}
if (0 == strcmp(str, song->tag->items[i]->value))
return 1;
}
/** If the search critieron was not visited during the sweep
* through the song's tag, it means this field is absent from
* the tag or empty. Thus, if the searched string is also
* empty (first char is a \0), then it's a match as well and
* we should return 1.
*/
if (!*str && !visitedTypes[type])
return 1;
return 0;
}
int tagItemsFoundAndMatches(Song * song, int numItems, LocateTagItem * items)
{
int i;
for (i = 0; i < numItems; i++) {
if (!tagItemFoundAndMatches(song, items[i].tagType,
items[i].needle)) {
return 0;
}
}
return 1;
}
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