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/*
* Copyright (C) 2003-2009 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 "song_save.h"
#include "song.h"
#include "tag_save.h"
#include "directory.h"
#include "tag.h"
#include "text_file.h"
#include <glib.h>
#include <stdlib.h>
#undef G_LOG_DOMAIN
#define G_LOG_DOMAIN "song"
#define SONG_MTIME "mtime: "
#define SONG_END "song_end"
static GQuark
song_save_quark(void)
{
return g_quark_from_static_string("song_save");
}
static int
song_save(struct song *song, void *data)
{
FILE *fp = data;
fprintf(fp, SONG_BEGIN "%s\n", song->uri);
if (song->tag != NULL)
tag_save(fp, song->tag);
fprintf(fp, SONG_MTIME "%li\n", (long)song->mtime);
fprintf(fp, SONG_END "\n");
return 0;
}
void songvec_save(FILE *fp, struct songvec *sv)
{
songvec_for_each(sv, song_save, fp);
}
static char *
parse_tag_value(char *buffer, enum tag_type *type_r)
{
int i;
for (i = 0; i < TAG_NUM_OF_ITEM_TYPES; i++) {
size_t len = strlen(tag_item_names[i]);
if (0 == strncmp(tag_item_names[i], buffer, len) &&
buffer[len] == ':') {
*type_r = i;
return g_strchug(buffer + len + 1);
}
}
return NULL;
}
struct song *
song_load(FILE *fp, struct directory *parent, const char *uri,
GString *buffer, GError **error_r)
{
struct song *song = song_file_new(uri, parent);
char *line;
enum tag_type type;
const char *value;
while ((line = read_text_line(fp, buffer)) != NULL &&
strcmp(line, SONG_END) != 0) {
if ((value = parse_tag_value(line, &type)) != NULL) {
if (!song->tag) {
song->tag = tag_new();
tag_begin_add(song->tag);
}
tag_add_item(song->tag, type, value);
} else if (0 == strncmp(SONG_TIME, line, strlen(SONG_TIME))) {
if (!song->tag) {
song->tag = tag_new();
tag_begin_add(song->tag);
}
song->tag->time = atoi(&(line[strlen(SONG_TIME)]));
} else if (0 == strncmp(SONG_MTIME, line, strlen(SONG_MTIME))) {
song->mtime = atoi(&(line[strlen(SONG_MTIME)]));
} else {
if (song->tag != NULL)
tag_end_add(song->tag);
song_free(song);
g_set_error(error_r, song_save_quark(), 0,
"unknown line in db: %s", line);
return false;
}
}
if (song->tag != NULL)
tag_end_add(song->tag);
return song;
}
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