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-rw-r--r--src/db_print.c144
1 files changed, 92 insertions, 52 deletions
diff --git a/src/db_print.c b/src/db_print.c
index 629832a3d..c4086a387 100644
--- a/src/db_print.c
+++ b/src/db_print.c
@@ -19,6 +19,7 @@
#include "config.h"
#include "db_print.h"
+#include "db_visitor.h"
#include "locate.h"
#include "directory.h"
#include "database.h"
@@ -41,46 +42,72 @@ typedef struct _SearchStats {
unsigned long playTime;
} SearchStats;
-static int
-printDirectoryInDirectory(struct directory *directory, void *data)
+static bool
+print_visitor_directory(const struct directory *directory, void *data,
+ G_GNUC_UNUSED GError **error_r)
{
struct client *client = data;
if (!directory_is_root(directory))
client_printf(client, "directory: %s\n", directory_get_path(directory));
- return 0;
+ return true;
}
-static int
-printSongInDirectory(struct song *song, G_GNUC_UNUSED void *data)
+static bool
+print_visitor_song(struct song *song, void *data,
+ G_GNUC_UNUSED GError **error_r)
{
struct client *client = data;
song_print_uri(client, song);
- return 0;
+ return true;
}
+static bool
+print_visitor_song_info(struct song *song, void *data,
+ G_GNUC_UNUSED GError **error_r)
+{
+ struct client *client = data;
+ song_print_info(client, song);
+ return true;
+}
+
+static const struct db_visitor print_visitor = {
+ .directory = print_visitor_directory,
+ .song = print_visitor_song,
+};
+
+static const struct db_visitor print_info_visitor = {
+ .directory = print_visitor_directory,
+ .song = print_visitor_song_info,
+};
+
struct search_data {
struct client *client;
const struct locate_item_list *criteria;
};
-static int
-searchInDirectory(struct song *song, void *_data)
+static bool
+search_visitor_song(struct song *song, void *_data,
+ G_GNUC_UNUSED GError **error_r)
{
struct search_data *data = _data;
if (locate_song_search(song, data->criteria))
song_print_info(data->client, song);
- return 0;
+ return true;
}
-int
+static const struct db_visitor search_visitor = {
+ .song = search_visitor_song,
+};
+
+bool
searchForSongsIn(struct client *client, const char *name,
- const struct locate_item_list *criteria)
+ const struct locate_item_list *criteria,
+ GError **error_r)
{
- int ret;
struct locate_item_list *new_list
= locate_item_list_casefold(criteria);
struct search_data data;
@@ -88,34 +115,40 @@ searchForSongsIn(struct client *client, const char *name,
data.client = client;
data.criteria = new_list;
- ret = db_walk(name, searchInDirectory, NULL, &data);
+ bool success = db_walk(name, &search_visitor, &data, error_r);
locate_item_list_free(new_list);
- return ret;
+ return success;
}
-static int
-findInDirectory(struct song *song, void *_data)
+static bool
+find_visitor_song(struct song *song, void *_data,
+ G_GNUC_UNUSED GError **error_r)
{
struct search_data *data = _data;
if (locate_song_match(song, data->criteria))
song_print_info(data->client, song);
- return 0;
+ return true;
}
-int
+static const struct db_visitor find_visitor = {
+ .song = find_visitor_song,
+};
+
+bool
findSongsIn(struct client *client, const char *name,
- const struct locate_item_list *criteria)
+ const struct locate_item_list *criteria,
+ GError **error_r)
{
struct search_data data;
data.client = client;
data.criteria = criteria;
- return db_walk(name, findInDirectory, NULL, &data);
+ return db_walk(name, &find_visitor, &data, error_r);
}
static void printSearchStats(struct client *client, SearchStats *stats)
@@ -124,8 +157,9 @@ static void printSearchStats(struct client *client, SearchStats *stats)
client_printf(client, "playtime: %li\n", stats->playTime);
}
-static int
-searchStatsInDirectory(struct song *song, void *data)
+static bool
+stats_visitor_song(struct song *song, void *data,
+ G_GNUC_UNUSED GError **error_r)
{
SearchStats *stats = data;
@@ -134,45 +168,42 @@ searchStatsInDirectory(struct song *song, void *data)
stats->playTime += song_get_duration(song);
}
- return 0;
+ return true;
}
-int
+static const struct db_visitor stats_visitor = {
+ .song = stats_visitor_song,
+};
+
+bool
searchStatsForSongsIn(struct client *client, const char *name,
- const struct locate_item_list *criteria)
+ const struct locate_item_list *criteria,
+ GError **error_r)
{
SearchStats stats;
- int ret;
stats.criteria = criteria;
stats.numberOfSongs = 0;
stats.playTime = 0;
- ret = db_walk(name, searchStatsInDirectory, NULL, &stats);
- if (ret == 0)
- printSearchStats(client, &stats);
+ if (!db_walk(name, &stats_visitor, &stats, error_r))
+ return false;
- return ret;
+ printSearchStats(client, &stats);
+ return true;
}
-int printAllIn(struct client *client, const char *name)
+bool
+printAllIn(struct client *client, const char *uri_utf8, GError **error_r)
{
- return db_walk(name, printSongInDirectory,
- printDirectoryInDirectory, client);
+ return db_walk(uri_utf8, &print_visitor, client, error_r);
}
-static int
-directoryPrintSongInfo(struct song *song, void *data)
+bool
+printInfoForAllIn(struct client *client, const char *uri_utf8,
+ GError **error_r)
{
- struct client *client = data;
- song_print_info(client, song);
- return 0;
-}
-
-int printInfoForAllIn(struct client *client, const char *name)
-{
- return db_walk(name, directoryPrintSongInfo,
- printDirectoryInDirectory, client);
+ return db_walk(uri_utf8, &print_info_visitor, client, error_r);
}
static ListCommandItem *
@@ -223,8 +254,9 @@ struct list_tags_data {
struct strset *set;
};
-static int
-listUniqueTagsInDirectory(struct song *song, void *_data)
+static bool
+unique_tags_visitor_song(struct song *song, void *_data,
+ G_GNUC_UNUSED GError **error_r)
{
struct list_tags_data *data = _data;
ListCommandItem *item = data->item;
@@ -232,13 +264,18 @@ listUniqueTagsInDirectory(struct song *song, void *_data)
if (locate_song_match(song, item->criteria))
visitTag(data->client, data->set, song, item->tagType);
- return 0;
+ return true;
}
-int listAllUniqueTags(struct client *client, int type,
- const struct locate_item_list *criteria)
+static const struct db_visitor unique_tags_visitor = {
+ .song = unique_tags_visitor_song,
+};
+
+bool
+listAllUniqueTags(struct client *client, int type,
+ const struct locate_item_list *criteria,
+ GError **error_r)
{
- int ret;
ListCommandItem *item = newListCommandItem(type, criteria);
struct list_tags_data data = {
.client = client,
@@ -249,7 +286,10 @@ int listAllUniqueTags(struct client *client, int type,
data.set = strset_new();
}
- ret = db_walk(NULL, listUniqueTagsInDirectory, NULL, &data);
+ if (!db_walk(NULL, &unique_tags_visitor, &data, error_r)) {
+ freeListCommandItem(item);
+ return false;
+ }
if (type >= 0 && type <= TAG_NUM_OF_ITEM_TYPES) {
const char *value;
@@ -266,5 +306,5 @@ int listAllUniqueTags(struct client *client, int type,
freeListCommandItem(item);
- return ret;
+ return true;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-08 07:10:12 +0000