101 lines
2.7 KiB
C++
101 lines
2.7 KiB
C++
/*
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* Copyright 2003-2020 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 "TagAny.hxx"
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#include "TagStream.hxx"
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#include "TagFile.hxx"
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#include "tag/Generic.hxx"
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#include "storage/StorageInterface.hxx"
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#include "client/Client.hxx"
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#include "protocol/Ack.hxx"
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#include "fs/AllocatedPath.hxx"
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#include "util/Compiler.h"
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#include "util/UriExtract.hxx"
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#include "LocateUri.hxx"
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static void
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TagScanStream(const char *uri, TagHandler &handler)
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{
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if (!tag_stream_scan(uri, handler))
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throw ProtocolError(ACK_ERROR_NO_EXIST, "Failed to load file");
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}
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static void
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TagScanFile(const Path path_fs, TagHandler &handler)
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{
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if (!ScanFileTagsNoGeneric(path_fs, handler))
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throw ProtocolError(ACK_ERROR_NO_EXIST, "Failed to load file");
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ScanGenericTags(path_fs, handler);
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}
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static void
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TagScanDatabase(Client &client, const char *uri, TagHandler &handler)
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{
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#ifdef ENABLE_DATABASE
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const Storage *storage = client.GetStorage();
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if (storage == nullptr) {
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#else
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(void)client;
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(void)uri;
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(void)handler;
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#endif
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throw ProtocolError(ACK_ERROR_NO_EXIST, "No database");
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#ifdef ENABLE_DATABASE
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}
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{
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const auto path_fs = storage->MapFS(uri);
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if (!path_fs.IsNull())
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return TagScanFile(path_fs, handler);
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}
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{
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const auto absolute_uri = storage->MapUTF8(uri);
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if (uri_has_scheme(absolute_uri.c_str()))
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return TagScanStream(absolute_uri.c_str(), handler);
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}
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throw ProtocolError(ACK_ERROR_NO_EXIST, "No such file");
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#endif
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}
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void
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TagScanAny(Client &client, const char *uri, TagHandler &handler)
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{
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const auto located_uri = LocateUri(UriPluginKind::INPUT, uri, &client
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#ifdef ENABLE_DATABASE
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, nullptr
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#endif
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);
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switch (located_uri.type) {
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case LocatedUri::Type::ABSOLUTE:
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return TagScanStream(located_uri.canonical_uri, handler);
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case LocatedUri::Type::RELATIVE:
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return TagScanDatabase(client, located_uri.canonical_uri,
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handler);
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case LocatedUri::Type::PATH:
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return TagScanFile(located_uri.path, handler);
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}
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gcc_unreachable();
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}
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