imgtools/imglib/symbolutil/bsymutil.cpp
author marvin shi <marvin.shi@nokia.com>
Fri, 19 Nov 2010 13:37:08 +0800
changeset 698 e3ee96a3961c
parent 695 46ca13b54f56
permissions -rw-r--r--
fix ou1cimx1#651819 rofsbiuld fails to generate correct log info when using multi-thread
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/*
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* Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: 
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*
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*/
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#include "bsymutil.h"
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#include <stdio.h>
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MemoryWriter::MemoryWriter()
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{
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	iChar = new char[4*MaxSize];
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	iOffset = 0;
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	iTotalSize = 4*MaxSize;
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	iStringTableStart = 0;
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}
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MemoryWriter::~MemoryWriter()
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{
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	delete[] iChar;
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}
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int MemoryWriter::WriteBytes(const char* pChar, int size)
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{
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	while(iOffset + size > iTotalSize)
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	{
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		ExtendMemory();
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	}
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	memcpy(iChar + iOffset, pChar, size);
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	iOffset += size;
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	return size;
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}
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TUint32 MemoryWriter::GetOffset()
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{
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	return iOffset;
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}
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char* MemoryWriter::GetDataPointer()
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{
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	return iChar;
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}
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bool MemoryWriter::ExtendMemory()
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{
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	char* pTmp = new char[iTotalSize + MaxSize];
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	memcpy(pTmp, iChar, iOffset);
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	delete[] iChar;
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	iChar = pTmp;
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	iTotalSize += MaxSize;
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	return true;
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}
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bool MemoryWriter::SetOffset(TUint32 aOffset)
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{
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	while(aOffset > iTotalSize)
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	{
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		ExtendMemory();
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	}
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	iOffset = aOffset;
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	return true;
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}
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void MemoryWriter::AddEmptyString()
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{
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	unsigned char len = 0;
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	WriteBytes((char *)&len, 1);
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}
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TUint32 MemoryWriter::AddString(const string& aStr)
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{
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	TUint32 result = 0;
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	if(aStr.empty())
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		return result;
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	result = iOffset - iStringTableStart;
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	int len = aStr.length();
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	if(len >= 255)
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	{
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		TUint16 wlen = len;
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		unsigned char mark = 0xff;
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		WriteBytes((char*)&mark, 1);
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		WriteBytes((char*)&wlen, 2);
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		WriteBytes(aStr.c_str(), len);
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	}
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	else
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	{
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		unsigned char clen = len;
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		WriteBytes((char *)&clen, 1);
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		WriteBytes(aStr.c_str(), len);
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	}
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	return result;
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}
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TUint32 MemoryWriter::AddScopeName(const string& aStr)
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{
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	TUint32 result = 0;
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	if(aStr.empty())
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		return result;
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	if(aStr == iLastScopeName)
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	{
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		return iLastScopeNameOffset;
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	}
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	else
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	{
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		iLastScopeName = aStr;
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		iLastScopeNameOffset = AddString(aStr);
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	}
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	return iLastScopeNameOffset;
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}
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void MemoryWriter::SetStringTableStart(TUint32 aOffset)
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{
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	iStringTableStart = aOffset;
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}
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TUint32 MemoryWriter::GetStringTableStart()
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{
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	return iStringTableStart;
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}