You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

96 lines
2.4 KiB
C++

// SPDX-License-Identifier: GPL-2.0-or-later
// Copyright The Music Player Daemon Project
#include "PlaylistSong.hxx"
#include "SongLoader.hxx"
#include "tag/Tag.hxx"
#include "tag/Builder.hxx"
#include "fs/Traits.hxx"
#include "song/DetachedSong.hxx"
#include "util/UriExtract.hxx"
#include "util/UriUtil.hxx"
#include <algorithm>
#include <string>
#include <string.h>
static void
merge_song_metadata(DetachedSong &add, const DetachedSong &base) noexcept
{
if (base.GetTag().IsDefined()) {
TagBuilder builder(add.GetTag());
builder.Complement(base.GetTag());
add.SetTag(builder.Commit());
}
add.SetLastModified(base.GetLastModified());
add.SetAdded(base.GetAdded());
if (add.GetStartTime().IsZero()) {
add.SetStartTime(base.GetStartTime());
}
if (add.GetEndTime().IsZero()) {
add.SetEndTime(base.GetEndTime());
}
if (!add.GetAudioFormat().IsDefined())
add.SetAudioFormat(base.GetAudioFormat());
}
static bool
playlist_check_load_song(DetachedSong &song, const SongLoader &loader) noexcept
try {
DetachedSong tmp = loader.LoadSong(song.GetURI());
song.SetURI(tmp.GetURI());
if (!song.HasRealURI() && tmp.HasRealURI())
song.SetRealURI(tmp.GetRealURI());
merge_song_metadata(song, tmp);
return true;
} catch (...) {
return false;
}
bool
playlist_check_translate_song(DetachedSong &song, std::string_view base_uri,
const SongLoader &loader) noexcept
{
if (base_uri.compare(".") == 0)
/* PathTraitsUTF8::GetParent() returns "." when there
is no directory name in the given path; clear that
now, because it would break the database lookup
functions */
base_uri = {};
const char *uri = song.GetURI();
#ifdef _WIN32
if (!PathTraitsUTF8::IsAbsolute(uri) && std::strchr(uri, '\\') != nullptr) {
/* Windows uses the backslash as path separator, but
the MPD protocol uses the (forward) slash by
definition; to allow backslashes in relative URIs
loaded from playlist files, this step converts all
backslashes to (forward) slashes */
std::string new_uri(uri);
std::replace(new_uri.begin(), new_uri.end(), '\\', '/');
song.SetURI(std::move(new_uri));
uri = song.GetURI();
}
#endif
if (base_uri.data() != nullptr &&
!PathTraitsUTF8::IsAbsoluteOrHasScheme(uri)) {
song.SetURI(PathTraitsUTF8::Build(base_uri, uri));
uri = song.GetURI();
}
/* Remove dot segments */
std::string new_uri = uri_squash_dot_segments(uri);
song.SetURI(std::move(new_uri));
return playlist_check_load_song(song, loader);
}