util.h

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/* xoreos - A reimplementation of BioWare's Aurora engine
 *
 * xoreos is the legal property of its developers, whose names
 * can be found in the AUTHORS file distributed with this source
 * distribution.
 *
 * xoreos 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 3
 * of the License, or (at your option) any later version.
 *
 * xoreos 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 xoreos. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef AURORA_UTIL_H
#define AURORA_UTIL_H

#include <map>

#include "src/common/singleton.h"
#include "src/common/hash.h"
#include "src/common/ustring.h"

#include "src/aurora/types.h"

namespace Aurora {

Common::UString getPlatformDescription(Platform platform);


class FileTypeManager : public Common::Singleton<FileTypeManager> {
public:
    FileTypeManager();
    ~FileTypeManager();

    FileType getFileType(const Common::UString &path);

    FileType getFileType(Common::HashAlgo algo, uint64 hashedExtension);

    Common::UString addFileType(const Common::UString &path, FileType type);
    Common::UString setFileType(const Common::UString &path, FileType type);


private:
    struct Type {
        FileType type;
        const char *extension;
    };

    static const Type types[];

    typedef std::map<Common::UString, const Type *> ExtensionLookup;
    typedef std::map<FileType       , const Type *> TypeLookup;
    typedef std::map<uint64         , const Type *> HashLookup;

    ExtensionLookup _extensionLookup;
    TypeLookup      _typeLookup;
    HashLookup      _hashLookup[Common::kHashMAX];


    void buildExtensionLookup();
    void buildTypeLookup();
    void buildHashLookup(Common::HashAlgo algo);
};

} // End of namespace Aurora

#define TypeMan ::Aurora::FileTypeManager::instance()

#endif // AURORA_UTIL_H