7e12aea1d8
Make the "open" method of plugins "file" and "archive" dummy methods that always fail. Instead, let InputStream::Open() hard-code access to these two plugins by using OpenLocalInputStream(). This allows simplifyin the algorithm for falling back to probing archive plugins.
80 lines
2.0 KiB
C++
80 lines
2.0 KiB
C++
/*
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* Copyright (C) 2003-2014 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"
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#include "InputStream.hxx"
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#include "Registry.hxx"
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#include "InputPlugin.hxx"
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#include "LocalOpen.hxx"
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#include "plugins/RewindInputPlugin.hxx"
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#include "fs/Traits.hxx"
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#include "fs/Path.hxx"
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#include "util/Error.hxx"
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#include "util/Domain.hxx"
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static constexpr Domain input_domain("input");
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InputStream *
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InputStream::Open(const char *url,
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Mutex &mutex, Cond &cond,
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Error &error)
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{
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if (PathTraitsFS::IsAbsolute(url))
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/* TODO: the parameter is UTF-8, not filesystem charset */
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return OpenLocalInputStream(Path::FromFS(url),
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mutex, cond, error);
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input_plugins_for_each_enabled(plugin) {
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InputStream *is;
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is = plugin->open(url, mutex, cond, error);
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if (is != nullptr) {
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is = input_rewind_open(is);
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return is;
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} else if (error.IsDefined())
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return nullptr;
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}
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error.Set(input_domain, "Unrecognized URI");
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return nullptr;
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}
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InputStream *
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InputStream::OpenReady(const char *uri,
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Mutex &mutex, Cond &cond,
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Error &error)
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{
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InputStream *is = Open(uri, mutex, cond, error);
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if (is == nullptr)
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return nullptr;
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mutex.lock();
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is->WaitReady();
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bool success = is->Check(error);
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mutex.unlock();
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if (!success) {
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delete is;
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is = nullptr;
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}
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return is;
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}
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