186 lines
4.1 KiB
C++
186 lines
4.1 KiB
C++
/*
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* Copyright 2003-2017 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h" /* must be first for large file support */
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#include "DetachedSong.hxx"
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#include "db/plugins/simple/Song.hxx"
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#include "db/plugins/simple/Directory.hxx"
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#include "storage/StorageInterface.hxx"
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#include "storage/FileInfo.hxx"
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#include "util/UriUtil.hxx"
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#include "fs/AllocatedPath.hxx"
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#include "fs/FileInfo.hxx"
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#include "tag/Builder.hxx"
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#include "TagFile.hxx"
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#include "TagStream.hxx"
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#ifdef ENABLE_ARCHIVE
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#include "TagArchive.hxx"
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#endif
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#include <exception>
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#include <assert.h>
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#include <string.h>
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#ifdef ENABLE_DATABASE
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Song *
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Song::LoadFile(Storage &storage, const char *path_utf8,
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Directory &parent) noexcept
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{
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assert(!uri_has_scheme(path_utf8));
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assert(strchr(path_utf8, '\n') == nullptr);
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Song *song = NewFile(path_utf8, parent);
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if (!song->UpdateFile(storage)) {
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song->Free();
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return nullptr;
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}
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return song;
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}
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#endif
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#ifdef ENABLE_DATABASE
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bool
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Song::UpdateFile(Storage &storage) noexcept
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{
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const auto &relative_uri = GetURI();
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StorageFileInfo info;
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try {
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info = storage.GetInfo(relative_uri.c_str(), true);
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} catch (...) {
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return false;
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}
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if (!info.IsRegular())
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return false;
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TagBuilder tag_builder;
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auto new_audio_format = AudioFormat::Undefined();
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const auto path_fs = storage.MapFS(relative_uri.c_str());
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if (path_fs.IsNull()) {
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const auto absolute_uri =
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storage.MapUTF8(relative_uri.c_str());
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if (!tag_stream_scan(absolute_uri.c_str(), tag_builder,
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&new_audio_format))
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return false;
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} else {
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if (!ScanFileTagsWithGeneric(path_fs, tag_builder,
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&new_audio_format))
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return false;
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}
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mtime = info.mtime;
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audio_format = new_audio_format;
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tag_builder.Commit(tag);
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return true;
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}
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#endif
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#ifdef ENABLE_ARCHIVE
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Song *
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Song::LoadFromArchive(ArchiveFile &archive, const char *name_utf8,
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Directory &parent) noexcept
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{
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assert(!uri_has_scheme(name_utf8));
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assert(strchr(name_utf8, '\n') == nullptr);
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Song *song = NewFile(name_utf8, parent);
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if (!song->UpdateFileInArchive(archive)) {
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song->Free();
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return nullptr;
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}
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return song;
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}
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bool
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Song::UpdateFileInArchive(ArchiveFile &archive) noexcept
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{
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assert(parent != nullptr);
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assert(parent->device == DEVICE_INARCHIVE);
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std::string path_utf8(uri);
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for (const Directory *directory = parent;
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directory->parent != nullptr &&
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directory->parent->device == DEVICE_INARCHIVE;
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directory = directory->parent) {
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path_utf8.insert(path_utf8.begin(), '/');
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path_utf8.insert(0, directory->GetName());
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}
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TagBuilder tag_builder;
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if (!tag_archive_scan(archive, path_utf8.c_str(), tag_builder))
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return false;
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tag_builder.Commit(tag);
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return true;
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}
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#endif
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bool
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DetachedSong::LoadFile(Path path) noexcept
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{
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FileInfo fi;
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if (!GetFileInfo(path, fi) || !fi.IsRegular())
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return false;
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TagBuilder tag_builder;
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if (!ScanFileTagsWithGeneric(path, tag_builder))
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return false;
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mtime = fi.GetModificationTime();
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tag_builder.Commit(tag);
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return true;
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}
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bool
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DetachedSong::Update() noexcept
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{
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if (IsAbsoluteFile()) {
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const AllocatedPath path_fs =
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AllocatedPath::FromUTF8(GetRealURI());
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if (path_fs.IsNull())
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return false;
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return LoadFile(path_fs);
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} else if (IsRemote()) {
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TagBuilder tag_builder;
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if (!tag_stream_scan(uri.c_str(), tag_builder))
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return false;
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mtime = std::chrono::system_clock::time_point::min();
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tag_builder.Commit(tag);
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return true;
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} else
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// TODO: implement
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return false;
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}
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