winexe_ne.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef COMMON_WINEXE_NE_H
#define COMMON_WINEXE_NE_H

#include "common/list.h"
#include "common/str.h"
#include "common/formats/winexe.h"

namespace Common {

template<class T> class Array;
class SeekableReadStream;

class NEResources : public WinResources {
public:
    NEResources();
    ~NEResources();

    void clear() override;

    using WinResources::loadFromEXE;

    bool loadFromEXE(SeekableReadStream *stream, DisposeAfterUse::Flag disposeFileHandle = DisposeAfterUse::YES) override;

    const Array<WinResourceID> getIDList(const WinResourceID &type) const override;

    SeekableReadStream *getResource(const WinResourceID &type, const WinResourceID &id) override;

    String loadString(uint32 stringID) override;

protected:
    VersionInfo *parseVersionInfo(SeekableReadStream *stream) override;

private:
    struct Resource {
        WinResourceID id;

        WinResourceID type; 

        uint32 offset; 
        uint32 size;   

        uint16 flags;
        uint16 handle;
        uint16 usage;
    };

    SeekableReadStream *_exe;        
    DisposeAfterUse::Flag _disposeFileHandle;

    List<Resource> _resources;

    typedef HashMap<WinResourceID, Common::String, WinResourceID_Hash, WinResourceID_EqualTo> IDMap;
    typedef HashMap<WinResourceID, IDMap, WinResourceID_Hash, WinResourceID_EqualTo> TypeMap;
    TypeMap _nameTable;

    uint32 getResourceTableOffset();
    bool readResourceTable(uint32 offset);

    bool readNameTable(uint32 offset, uint32 size);

    const Resource *findResource(const WinResourceID &type, const WinResourceID &id) const;

    static String getResourceString(SeekableReadStream &exe, uint32 offset);
};

} // End of namespace Common

#endif