uigraphics/AknIcon/MifToCdlIndex/MifHandler.cpp
changeset 0 05e9090e2422
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uigraphics/AknIcon/MifToCdlIndex/MifHandler.cpp	Thu Dec 17 09:14:12 2009 +0200
@@ -0,0 +1,99 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+
+// disable "identifier was truncated to '255' characters in the browser information" warning
+#pragma warning (disable:4786)
+
+// disable "decorated name length exceeded, name was truncated" warning	
+#pragma warning (disable:4503)
+
+#include "MifHandler.h"
+#include <fstream>
+#include <CdlCompilerToolkit/CdlTkUtil.h>
+using namespace std;
+using namespace CdlCompilerToolkit;
+
+void MifHandler::Read(const string& mifName)
+	{
+	ifstream file;
+	CdlTkUtil::OpenInput(file, mifName, ios::binary);
+
+	file.seekg(0, ios::end);
+	int fileSize = file.tellg();
+	file.seekg(0);
+
+	if (!file.read((char*)&iHeader.iV2, sizeof(iHeader.iV2)))
+		throw CdlTkAssert(mifName + " - header read failed");
+	if (iHeader.iV2.iVersion < 2)
+		throw CdlTkAssert(mifName + " - cannot convert old mif file");
+	if (iHeader.iV2.iVersion > 2)
+		throw CdlTkAssert(mifName + " - mif file already converted");
+	
+	iIndex.resize(iHeader.iV2.iArrayLen);
+	iIndexBytes = iHeader.iV2.iArrayLen * sizeof(MifIdx);
+	if (!file.read((char*)&iIndex[0], iIndexBytes))
+		throw CdlTkAssert(mifName + " - index read failed");
+
+	iDataBytes = fileSize - sizeof(iHeader.iV2) - iIndexBytes;
+	iData.resize(iDataBytes+1);
+	if (!file.read(&iData[0], iDataBytes))
+		throw CdlTkAssert(mifName + " - data read failed");
+
+	file.close();
+	}
+
+const MifIndex& MifHandler::Index()
+	{
+	return iIndex;
+	}
+
+void MifHandler::Modify(const string& dllUid)
+	{
+	int uid = CdlTkUtil::ParseInt(dllUid);
+	iHeader.iV2.iVersion = 3;
+	iHeader.iV2.iOffset = sizeof(iHeader);
+	iHeader.iV3.iIndexDllUid = uid;
+
+	// added on an extra header field, but removed the index table
+	int offsetShift = sizeof(MifHeaderV3) - iIndexBytes;
+
+	for (int i=0; i<iIndex.size(); i++)
+		{
+		MifIdx& index = iIndex[i];
+		if (index.iOffset > 0)
+			index.iOffset += offsetShift;
+		}
+	}
+
+void MifHandler::Write(const string& mifName)
+	{
+	BackupOriginal(mifName);
+	ofstream file;
+	CdlTkUtil::OpenOutput(file, mifName, ios::binary);
+
+	file.write((char*)&iHeader, sizeof(iHeader));
+	file.write(&iData[0], iDataBytes);
+
+	file.close();
+	}
+
+void MifHandler::BackupOriginal(const string& mifName)
+	{
+	CdlTkUtil::CopyFile(mifName, mifName+".orig", ios::binary);
+	}
+
+