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-rw-r--r--src/song_save.c165
1 files changed, 69 insertions, 96 deletions
diff --git a/src/song_save.c b/src/song_save.c
index 2d6297f3e..a1a573298 100644
--- a/src/song_save.c
+++ b/src/song_save.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2003-2009 The Music Player Daemon Project
+ * Copyright (C) 2003-2010 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
@@ -17,11 +17,13 @@
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
+#include "config.h"
#include "song_save.h"
#include "song.h"
#include "tag_save.h"
#include "directory.h"
#include "tag.h"
+#include "text_file.h"
#include <glib.h>
@@ -30,136 +32,107 @@
#undef G_LOG_DOMAIN
#define G_LOG_DOMAIN "song"
-#define SONG_KEY "key: "
-#define SONG_MTIME "mtime: "
+#define SONG_MTIME "mtime"
+#define SONG_END "song_end"
-static void
-song_save_url(FILE *fp, struct song *song)
+static GQuark
+song_save_quark(void)
{
- if (song->parent != NULL && song->parent->path != NULL)
- fprintf(fp, SONG_FILE "%s/%s\n",
- directory_get_path(song->parent), song->url);
- else
- fprintf(fp, SONG_FILE "%s\n",
- song->url);
+ return g_quark_from_static_string("song_save");
}
-static int
-song_save(struct song *song, void *data)
+void
+song_save(FILE *fp, const struct song *song)
{
- FILE *fp = data;
-
- fprintf(fp, SONG_KEY "%s\n", song->url);
+ fprintf(fp, SONG_BEGIN "%s\n", song->uri);
- song_save_url(fp, song);
+ if (song->end_ms > 0)
+ fprintf(fp, "Range: %u-%u\n", song->start_ms, song->end_ms);
+ else if (song->start_ms > 0)
+ fprintf(fp, "Range: %u-\n", song->start_ms);
if (song->tag != NULL)
tag_save(fp, song->tag);
- fprintf(fp, SONG_MTIME "%li\n", (long)song->mtime);
-
- return 0;
+ fprintf(fp, SONG_MTIME ": %li\n", (long)song->mtime);
+ fprintf(fp, SONG_END "\n");
}
-void songvec_save(FILE *fp, struct songvec *sv)
+static int
+song_save_callback(struct song *song, void *data)
{
- fprintf(fp, "%s\n", SONG_BEGIN);
- songvec_for_each(sv, song_save, fp);
- fprintf(fp, "%s\n", SONG_END);
+ FILE *fp = data;
+ song_save(fp, song);
+ return 0;
}
-static void
-insertSongIntoList(struct songvec *sv, struct song *newsong)
+void songvec_save(FILE *fp, const struct songvec *sv)
{
- struct song *existing = songvec_find(sv, newsong->url);
-
- if (!existing) {
- songvec_add(sv, newsong);
- if (newsong->tag)
- tag_end_add(newsong->tag);
- } else { /* prevent dupes, just update the existing song info */
- if (existing->mtime != newsong->mtime) {
- if (existing->tag != NULL)
- tag_free(existing->tag);
- if (newsong->tag)
- tag_end_add(newsong->tag);
- existing->tag = newsong->tag;
- existing->mtime = newsong->mtime;
- newsong->tag = NULL;
- }
- song_free(newsong);
- }
+ songvec_for_each(sv, song_save_callback, fp);
}
-static char *
-matchesAnMpdTagItemKey(char *buffer, enum tag_type *itemType)
+struct song *
+song_load(FILE *fp, struct directory *parent, const char *uri,
+ GString *buffer, GError **error_r)
{
- int i;
-
- for (i = 0; i < TAG_NUM_OF_ITEM_TYPES; i++) {
- size_t len = strlen(tag_item_names[i]);
+ struct song *song = parent != NULL
+ ? song_file_new(uri, parent)
+ : song_remote_new(uri);
+ char *line, *colon;
+ enum tag_type type;
+ const char *value;
- if (0 == strncmp(tag_item_names[i], buffer, len) &&
- buffer[len] == ':') {
- *itemType = i;
- return g_strchug(buffer + len + 1);
+ while ((line = read_text_line(fp, buffer)) != NULL &&
+ strcmp(line, SONG_END) != 0) {
+ colon = strchr(line, ':');
+ if (colon == NULL || colon == line) {
+ 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 NULL;
}
- }
- return NULL;
-}
+ *colon++ = 0;
+ value = g_strchug(colon);
-void readSongInfoIntoList(FILE *fp, struct songvec *sv,
- struct directory *parent)
-{
- enum {
- buffer_size = 32768,
- };
- char *buffer = g_malloc(buffer_size);
- struct song *song = NULL;
- enum tag_type itemType;
- const char *value;
-
- while (fgets(buffer, buffer_size, fp) &&
- !g_str_has_prefix(buffer, SONG_END)) {
- g_strchomp(buffer);
-
- if (0 == strncmp(SONG_KEY, buffer, strlen(SONG_KEY))) {
- if (song)
- insertSongIntoList(sv, song);
-
- song = song_file_new(buffer + strlen(SONG_KEY),
- parent);
- } else if (*buffer == 0) {
- /* ignore empty lines (starting with '\0') */
- } else if (song == NULL) {
- g_error("Problems reading song info");
- } else if (0 == strncmp(SONG_FILE, buffer, strlen(SONG_FILE))) {
- /* we don't need this info anymore */
- } else if ((value = matchesAnMpdTagItemKey(buffer,
- &itemType)) != NULL) {
+ if ((type = tag_name_parse(line)) != TAG_NUM_OF_ITEM_TYPES) {
if (!song->tag) {
song->tag = tag_new();
tag_begin_add(song->tag);
}
- tag_add_item(song->tag, itemType, value);
- } else if (0 == strncmp(SONG_TIME, buffer, strlen(SONG_TIME))) {
+ tag_add_item(song->tag, type, value);
+ } else if (strcmp(line, "Time") == 0) {
if (!song->tag) {
song->tag = tag_new();
tag_begin_add(song->tag);
}
- song->tag->time = atoi(&(buffer[strlen(SONG_TIME)]));
- } else if (0 == strncmp(SONG_MTIME, buffer, strlen(SONG_MTIME))) {
- song->mtime = atoi(&(buffer[strlen(SONG_MTIME)]));
+ song->tag->time = atoi(value);
+ } else if (strcmp(line, SONG_MTIME) == 0) {
+ song->mtime = atoi(value);
+ } else if (strcmp(line, "Range") == 0) {
+ char *endptr;
+
+ song->start_ms = strtoul(value, &endptr, 10);
+ if (*endptr == '-')
+ song->end_ms = strtoul(endptr + 1, NULL, 10);
+ } 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 NULL;
}
- else
- g_error("unknown line in db: %s", buffer);
}
- g_free(buffer);
+ if (song->tag != NULL)
+ tag_end_add(song->tag);
- if (song)
- insertSongIntoList(sv, song);
+ return song;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-05 05:09:53 +0000