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/*
* Copyright 2003-2021 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "song/DetachedSong.hxx"
#include "SongSave.hxx"
#include "config/Data.hxx"
#include "decoder/DecoderList.hxx"
#include "decoder/DecoderPlugin.hxx"
#include "fs/Path.hxx"
#include "fs/NarrowPath.hxx"
#include "fs/io/StdioOutputStream.hxx"
#include "fs/io/BufferedOutputStream.hxx"
#include "util/PrintException.hxx"
#include "util/UriExtract.hxx"
#include <cassert>
#include <stdexcept>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
static const DecoderPlugin *
FindContainerDecoderPlugin(const char *suffix)
{
return decoder_plugins_find([suffix](const DecoderPlugin &plugin){
return plugin.container_scan != nullptr &&
plugin.SupportsSuffix(suffix);
});
}
static const DecoderPlugin *
FindContainerDecoderPlugin(Path path)
{
UriSuffixBuffer suffix_buffer;
const char *const suffix = uri_get_suffix(path.ToUTF8Throw().c_str(),
suffix_buffer);
if (suffix == nullptr)
return nullptr;
return FindContainerDecoderPlugin(suffix);
}
int main(int argc, char **argv)
try {
if (argc != 2) {
fprintf(stderr, "Usage: ContainerScan PATH\n");
return EXIT_FAILURE;
}
const FromNarrowPath path = argv[1];
const ScopeDecoderPluginsInit decoder_plugins_init({});
const auto *plugin = FindContainerDecoderPlugin(path);
if (plugin == nullptr) {
fprintf(stderr, "No decoder found for this file\n");
return EXIT_FAILURE;
}
const auto v = plugin->container_scan(path);
if (v.empty()) {
fprintf(stderr, "File is not a container\n");
return EXIT_FAILURE;
}
StdioOutputStream sos(stdout);
BufferedOutputStream bos(sos);
for (const auto &song : v)
song_save(bos, song);
bos.Flush();
return EXIT_SUCCESS;
} catch (...) {
PrintException(std::current_exception());
return EXIT_FAILURE;
}
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