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sticker: don't use classes Directory and Song

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Don't depend on the "simple" database plugin.  This fixes an assertion
failure / crash and allows using stickers with other plugins.
This commit is contained in:
Max Kellermann
2014-01-29 17:45:07 +01:00
parent 667481c371
commit ff87145537
3 changed files with 21 additions and 22 deletions
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24
src/sticker/SongSticker.cxx
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@@ -21,8 +21,9 @@
#include "SongSticker.hxx"
#include "StickerDatabase.hxx"
#include "db/LightSong.hxx"
#include "db/Song.hxx"
#include "db/Directory.hxx"
#include "db/DatabaseGlue.hxx"
#include "db/DatabasePlugin.hxx"
#include "util/Error.hxx"
#include <glib.h>
@@ -66,7 +67,7 @@ sticker_song_get(const LightSong &song)
}
struct sticker_song_find_data {
Directory *directory;
const Database *db;
const char *base_uri;
size_t base_uri_length;
@@ -85,24 +86,29 @@ sticker_song_find_cb(const char *uri, const char *value, void *user_data)
/* should not happen, ignore silently */
return;
Song *song = data->directory->LookupSong(uri + data->base_uri_length);
if (song != nullptr)
data->func(song->Export(), value, data->user_data);
const Database *db = data->db;
const LightSong *song = db->GetSong(uri, IgnoreError());
if (song != nullptr) {
data->func(*song, value, data->user_data);
db->ReturnSong(song);
}
}
bool
sticker_song_find(Directory &directory, const char *name,
sticker_song_find(const char *base_uri, const char *name,
void (*func)(const LightSong &song, const char *value,
void *user_data),
void *user_data)
{
struct sticker_song_find_data data;
data.directory = &directory;
data.db = GetDatabase();
assert(data.db != nullptr);
data.func = func;
data.user_data = user_data;
char *allocated;
data.base_uri = directory.GetPath();
data.base_uri = base_uri;
if (*data.base_uri != 0)
/* append slash to base_uri */
data.base_uri = allocated =

4
src/sticker/SongSticker.hxx
View File

@@ -72,13 +72,13 @@ sticker_song_get(const LightSong &song);
*
* Caller must lock the #db_mutex.
*
* @param directory the base directory to search in
* @param base_uri the base directory to search in
* @param name the name of the sticker
* @return true on success (even if no sticker was found), false on
* failure
*/
bool
sticker_song_find(Directory &directory, const char *name,
sticker_song_find(const char *base_uri, const char *name,
void (*func)(const LightSong &song, const char *value,
void *user_data),
void *user_data);