playlist_print: rename to PlaylistPrint.cxx

src/PlaylistPrint.cxx

@@ -0,0 +1,195 @@
+/*
+ * Copyright (C) 2003-2012 The Music Player Daemon Project
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "config.h"
+#include "PlaylistPrint.hxx"
+
+extern "C" {
+#include "playlist_list.h"
+#include "playlist_plugin.h"
+#include "playlist_any.h"
+#include "playlist_song.h"
+#include "playlist.h"
+#include "queue_print.h"
+#include "stored_playlist.h"
+#include "song_print.h"
+#include "song.h"
+#include "database.h"
+#include "client.h"
+#include "input_stream.h"
+}
+
+void
+playlist_print_uris(struct client *client, const struct playlist *playlist)
+{
+	const struct queue *queue = &playlist->queue;
+
+	queue_print_uris(client, queue, 0, queue_length(queue));
+}
+
+bool
+playlist_print_info(struct client *client, const struct playlist *playlist,
+		    unsigned start, unsigned end)
+{
+	const struct queue *queue = &playlist->queue;
+
+	if (end > queue_length(queue))
+		/* correct the "end" offset */
+		end = queue_length(queue);
+
+	if (start > end)
+		/* an invalid "start" offset is fatal */
+		return false;
+
+	queue_print_info(client, queue, start, end);
+	return true;
+}
+
+bool
+playlist_print_id(struct client *client, const struct playlist *playlist,
+		  unsigned id)
+{
+	const struct queue *queue = &playlist->queue;
+	int position;
+
+	position = queue_id_to_position(queue, id);
+	if (position < 0)
+		/* no such song */
+		return false;
+
+	return playlist_print_info(client, playlist, position, position + 1);
+}
+
+bool
+playlist_print_current(struct client *client, const struct playlist *playlist)
+{
+	int current_position = playlist_get_current_song(playlist);
+
+	if (current_position < 0)
+		return false;
+
+	queue_print_info(client, &playlist->queue,
+			 current_position, current_position + 1);
+	return true;
+}
+
+void
+playlist_print_find(struct client *client, const struct playlist *playlist,
+		    const struct locate_item_list *list)
+{
+	queue_find(client, &playlist->queue, list);
+}
+
+void
+playlist_print_changes_info(struct client *client,
+			    const struct playlist *playlist,
+			    uint32_t version)
+{
+	queue_print_changes_info(client, &playlist->queue, version);
+}
+
+void
+playlist_print_changes_position(struct client *client,
+				const struct playlist *playlist,
+				uint32_t version)
+{
+	queue_print_changes_position(client, &playlist->queue, version);
+}
+
+bool
+spl_print(struct client *client, const char *name_utf8, bool detail,
+	  GError **error_r)
+{
+	GPtrArray *list;
+
+	list = spl_load(name_utf8, error_r);
+	if (list == NULL)
+		return false;
+
+	for (unsigned i = 0; i < list->len; ++i) {
+		const char *temp = (const char *)g_ptr_array_index(list, i);
+		bool wrote = false;
+
+		if (detail) {
+			struct song *song = db_get_song(temp);
+			if (song) {
+				song_print_info(client, song);
+				db_return_song(song);
+				wrote = true;
+			}
+		}
+
+		if (!wrote) {
+			client_printf(client, SONG_FILE "%s\n", temp);
+		}
+	}
+
+	spl_free(list);
+	return true;
+}
+
+static void
+playlist_provider_print(struct client *client, const char *uri,
+			struct playlist_provider *playlist, bool detail)
+{
+	struct song *song;
+	char *base_uri = uri != NULL ? g_path_get_dirname(uri) : NULL;
+
+	while ((song = playlist_plugin_read(playlist)) != NULL) {
+		song = playlist_check_translate_song(song, base_uri, false);
+		if (song == NULL)
+			continue;
+
+		if (detail)
+			song_print_info(client, song);
+		else
+			song_print_uri(client, song);
+
+		song_free(song);
+	}
+
+	g_free(base_uri);
+}
+
+bool
+playlist_file_print(struct client *client, const char *uri, bool detail)
+{
+	GMutex *mutex = g_mutex_new();
+	GCond *cond = g_cond_new();
+
+	struct input_stream *is;
+	struct playlist_provider *playlist =
+		playlist_open_any(uri, mutex, cond, &is);
+	if (playlist == NULL) {
+		g_cond_free(cond);
+		g_mutex_free(mutex);
+		return false;
+	}
+
+	playlist_provider_print(client, uri, playlist, detail);
+	playlist_plugin_close(playlist);
+
+	if (is != NULL)
+		input_stream_close(is);
+
+	g_cond_free(cond);
+	g_mutex_free(mutex);
+
+	return true;
+}