scummvm/common/winexe_pe.h

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/* 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.
*
*/
#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;
/**
* A class able to load resources from a Windows Portable Executable, such
* as cursors, bitmaps, and sounds.
*/
class PEResources : public WinResources {
public:
PEResources();
~PEResources();
/** Clear all information. */
void clear();
/** Load from an EXE file. */
using WinResources::loadFromEXE;
/** Load from a stream. */
bool loadFromEXE(SeekableReadStream *stream);
/** Return a list of resource types. */
const Array<WinResourceID> getTypeList() const;
/** Return a list of IDs for a given type. */
const Array<WinResourceID> getIDList(const WinResourceID &type) const;
/** Return a list of languages for a given type and ID. */
const Array<WinResourceID> getLangList(const WinResourceID &type, const WinResourceID &id) 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 &id);
/** Return a stream to the specified resource (or 0 if non-existent). */
SeekableReadStream *getResource(const WinResourceID &type, const WinResourceID &id, const WinResourceID &lang);
private:
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, _curID, _curLang;
struct Resource {
uint32 offset;
uint32 size;
};
typedef HashMap<WinResourceID, Resource, WinResourceID_Hash, WinResourceID_EqualTo> LangMap;
typedef HashMap<WinResourceID, LangMap, WinResourceID_Hash, WinResourceID_EqualTo> IDMap;
typedef HashMap<WinResourceID, IDMap, WinResourceID_Hash, WinResourceID_EqualTo> TypeMap;
TypeMap _resources;
};
} // End of namespace Common
#endif