COMMON: Begin to merge some NE/PE code

The ID classes are now common to both. The files have been renamed to better illustrate their purpose.

1 files changed, 122 insertions, 0 deletions

diff --git a/common/winexe_pe.h b/common/winexe_pe.h
new file mode 100644
index 0000000000..5298e993ad
--- /dev/null
+++ b/common/winexe_pe.h
@@ -0,0 +1,122 @@
+/* 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/array.h"
+#include "common/hashmap.h"
+#include "common/winexe.h"
+
+namespace Common {
+
+class SeekableReadStream;
+class String;
+
+/** 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.
+ */
+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:
+	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;
+
+	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