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winexe_pe.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 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.
 *
 * $URL$
 * $Id$
 *
 */

#ifndef COMMON_WINEXE_PE_H
#define COMMON_WINEXE_PE_H

#include "common/hash-str.h"
#include "common/hashmap.h"
#include "common/str.h"
#include "common/winexe.h"

namespace Common {

template<class T> class Array;
class SeekableReadStream;

/** The default Windows PE resources. */
enum PEResourceType {
      kPECursor =       0x01,
      kPEBitmap =       0x02,
      kPEIcon =         0x03,
      kPEMenu =         0x04,
      kPEDialog =       0x05,
      kPEString =       0x06,
      kPEFontDir =      0x07,
      kPEFont =         0x08,
      kPEAccelerator =  0x09,
      kPERCData =       0x0A,
      kPEMessageTable = 0x0B,
      kPEGroupCursor =  0x0C,
      kPEGroupIcon =    0x0E,
      kPEVersion =      0x10,
      kPEDlgInclude =   0x11,
      kPEPlugPlay =     0x13,
      kPEVXD =          0x14,
      kPEAniCursor =    0x15,
      kPEAniIcon =      0x16
};

/**
 * A class able to load resources from a Windows Portable Executable, such
 * as cursors, bitmaps, and sounds.
 */
00066 class PEResources {
public:
      PEResources();
      ~PEResources();

      /** Clear all information. */
      void clear();

      /** Load from an EXE file. */
      bool loadFromEXE(const String &fileName);

      /** Load from a stream. */
      bool loadFromEXE(SeekableReadStream *stream);

      /** Return a list of resource types. */
      const Array<WinResourceID> getTypeList() const;

      /** Return a list of names for a given type. */
      const Array<WinResourceID> getNameList(const WinResourceID &type) const;

      /** Return a list of languages for a given type and name. */
      const Array<WinResourceID> getLangList(const WinResourceID &type, const WinResourceID &name) const;

      /** Return a stream to the specified resource, taking the first language found (or 0 if non-existent). */
      SeekableReadStream *getResource(const WinResourceID &type, const WinResourceID &name);

      /** Return a stream to the specified resource (or 0 if non-existent). */
      SeekableReadStream *getResource(const WinResourceID &type, const WinResourceID &name, const WinResourceID &lang);

private:
00096       struct Section {
            uint32 virtualAddress;
            uint32 size;
            uint32 offset;
      };

      HashMap<String, Section, IgnoreCase_Hash, IgnoreCase_EqualTo> _sections;

      SeekableReadStream *_exe;

      void parseResourceLevel(Section &section, uint32 offset, int level);
      WinResourceID _curType, _curName, _curLang;

00109       struct Resource {
            uint32 offset;
            uint32 size;
      };
      
      typedef HashMap<WinResourceID, Resource, WinResourceID_Hash, WinResourceID_EqualTo> LangMap;
      typedef HashMap<WinResourceID,  LangMap, WinResourceID_Hash, WinResourceID_EqualTo> NameMap;
      typedef HashMap<WinResourceID,  NameMap, WinResourceID_Hash, WinResourceID_EqualTo> TypeMap;

      TypeMap _resources;
};

} // End of namespace Common

#endif

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