static bool
spl_save(GPtrArray *list, const char *utf8path, GError **error_r)
{
FILE *file;
assert(utf8path != NULL);
if (spl_map(error_r) == NULL)
return false;
char *path_fs = spl_map_to_fs(utf8path, error_r);
if (path_fs == NULL)
return false;
file = fopen(path_fs, "w");
g_free(path_fs);
if (file == NULL) {
playlist_errno(error_r);
return false;
}
for (unsigned i = 0; i < list->len; ++i) {
const char *uri = g_ptr_array_index(list, i);
playlist_print_uri(file, uri);
}
fclose(file);
return true;
}
GPtrArray *
spl_list(GError **error_r)
{
const char *parent_path_fs = spl_map(error_r);
DIR *dir;
struct dirent *ent;
GPtrArray *list;
struct stored_playlist_info *playlist;
if (parent_path_fs == NULL)
return NULL;
dir = opendir(parent_path_fs);
if (dir == NULL) {
g_set_error_literal(error_r, g_file_error_quark(), errno,
g_strerror(errno));
return NULL;
}
list = g_ptr_array_new();
while ((ent = readdir(dir)) != NULL) {
playlist = load_playlist_info(parent_path_fs, ent->d_name);
if (playlist != NULL)
g_ptr_array_add(list, playlist);
}
closedir(dir);
return list;
}
GPtrArray *
spl_load(const char *utf8path, GError **error_r)
{
FILE *file;
GPtrArray *list;
char *path_fs;
if (spl_map(error_r) == NULL)
return NULL;
path_fs = spl_map_to_fs(utf8path, error_r);
if (path_fs == NULL)
return NULL;
file = fopen(path_fs, "r");
g_free(path_fs);
if (file == NULL) {
playlist_errno(error_r);
return NULL;
}
list = g_ptr_array_new();
GString *buffer = g_string_sized_new(1024);
char *s;
while ((s = read_text_line(file, buffer)) != NULL) {
if (*s == 0 || *s == PLAYLIST_COMMENT)
continue;
if (g_path_is_absolute(s)) {
char *t = fs_charset_to_utf8(s);
if (t == NULL)
continue;
s = g_strconcat("file://", t, NULL);
g_free(t);
} else if (!uri_has_scheme(s)) {
char *path_utf8;
path_utf8 = map_fs_to_utf8(s);
if (path_utf8 == NULL)
continue;
s = path_utf8;
} else {
s = fs_charset_to_utf8(s);
if (s == NULL)
continue;
}
g_ptr_array_add(list, s);
if (list->len >= playlist_max_length)
break;
}
fclose(file);
return list;
}
static char *
spl_map_to_fs(const char *name_utf8, GError **error_r)
{
if (spl_map(error_r) == NULL ||
!spl_check_name(name_utf8, error_r))
return NULL;
char *path_fs = map_spl_utf8_to_fs(name_utf8);
if (path_fs == NULL)
g_set_error_literal(error_r, playlist_quark(),
PLAYLIST_RESULT_BAD_NAME,
"Bad playlist name");
return path_fs;
}
bool
spl_append_song(const char *utf8path, struct song *song, GError **error_r)
{
FILE *file;
struct stat st;
if (spl_map(error_r) == NULL)
return false;
char *path_fs = spl_map_to_fs(utf8path, error_r);
if (path_fs == NULL)
return false;
file = fopen(path_fs, "a");
g_free(path_fs);
if (file == NULL) {
playlist_errno(error_r);
return false;
}
if (fstat(fileno(file), &st) < 0) {
playlist_errno(error_r);
fclose(file);
return false;
}
if (st.st_size / (MPD_PATH_MAX + 1) >= (off_t)playlist_max_length) {
fclose(file);
g_set_error_literal(error_r, playlist_quark(),
PLAYLIST_RESULT_TOO_LARGE,
"Stored playlist is too large");
return false;
}
playlist_print_song(file, song);
fclose(file);
idle_add(IDLE_STORED_PLAYLIST);
return true;
}
bool
spl_rename(const char *utf8from, const char *utf8to, GError **error_r)
{
if (spl_map(error_r) == NULL)
return false;
char *from_path_fs = spl_map_to_fs(utf8from, error_r);
if (from_path_fs == NULL)
return false;
char *to_path_fs = spl_map_to_fs(utf8to, error_r);
if (to_path_fs == NULL) {
g_free(from_path_fs);
return false;
}
bool success = spl_rename_internal(from_path_fs, to_path_fs, error_r);
g_free(from_path_fs);
g_free(to_path_fs);
return success;
}
bool
spl_clear(const char *utf8path, GError **error_r)
{
FILE *file;
if (spl_map(error_r) == NULL)
return false;
char *path_fs = spl_map_to_fs(utf8path, error_r);
if (path_fs == NULL)
return false;
file = fopen(path_fs, "w");
g_free(path_fs);
if (file == NULL) {
playlist_errno(error_r);
return false;
}
fclose(file);
idle_add(IDLE_STORED_PLAYLIST);
return true;
}