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-rw-r--r--src/song_sticker.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/src/song_sticker.c b/src/song_sticker.c
index 54792678a..131519bcd 100644
--- a/src/song_sticker.c
+++ b/src/song_sticker.c
@@ -19,11 +19,13 @@
#include "song_sticker.h"
#include "song.h"
+#include "directory.h"
#include "sticker.h"
#include <glib.h>
#include <assert.h>
+#include <string.h>
char *
sticker_song_get_value(const struct song *song, const char *name)
@@ -88,3 +90,61 @@ sticker_song_get(const struct song *song)
return sticker;
}
+
+struct sticker_song_find_data {
+ struct directory *directory;
+ const char *base_uri;
+ size_t base_uri_length;
+
+ void (*func)(struct song *song, const char *value,
+ gpointer user_data);
+ gpointer user_data;
+};
+
+static void
+sticker_song_find_cb(const char *uri, const char *value, gpointer user_data)
+{
+ struct sticker_song_find_data *data = user_data;
+ struct song *song;
+
+ if (memcmp(uri, data->base_uri, data->base_uri_length) != 0)
+ /* should not happen, ignore silently */
+ return;
+
+ song = directory_lookup_song(data->directory,
+ uri + data->base_uri_length);
+ if (song != NULL)
+ data->func(song, value, data->user_data);
+}
+
+bool
+sticker_song_find(struct directory *directory, const char *name,
+ void (*func)(struct song *song, const char *value,
+ gpointer user_data),
+ gpointer user_data)
+{
+ struct sticker_song_find_data data = {
+ .directory = directory,
+ .func = func,
+ .user_data = user_data,
+ };
+ char *allocated;
+ bool success;
+
+ data.base_uri = directory_get_path(directory);
+ if (*data.base_uri != 0)
+ /* append slash to base_uri */
+ data.base_uri = allocated =
+ g_strconcat(data.base_uri, "/", NULL);
+ else
+ /* searching in root directory - no trailing slash */
+ allocated = NULL;
+
+ data.base_uri_length = strlen(data.base_uri);
+
+ success = sticker_find("song", data.base_uri, name,
+ sticker_song_find_cb, &data);
+ g_free(allocated);
+
+ return success;
+}