/*
* Copyright (c) 2006-2010 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of the License "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:
*
*/
#ifndef DESERIALISER_H
#define DESERIALISER_H
#include <iostream>
#include <stdexcept>
#include <istream>
#include <vector>
#include "serialisable.h"
#include "cardinality.h"
#include "ucmp.h"
#include "utf8_wrapper.h"
#include "is_utils.h"
#pragma warning (disable: 4800)
/**
* @file DESERIALISER.H
*
* @internalComponent
* @released
*/
class Deserialiser
{
public:
Deserialiser(std::istream& stream) : iStream(stream)
{}
Deserialiser& operator>>(Serialisable& val)
{
val.Internalize(*this);
return *this;
}
// integer types
Deserialiser& operator>>(TInt64& val)
{ iStream.read(reinterpret_cast<char*>(&val),8); return *this; }
Deserialiser& operator>>(TInt& val)
{ iStream.read((char*)&val,4); return *this; }
Deserialiser& operator>>(TInt16& val)
{ iStream.read((char*)&val,2); return *this; }
Deserialiser& operator>>(TInt8& val)
{ iStream.read((char*)&val,1) ; return *this; }
Deserialiser& operator>>(TUint64& val)
{ iStream.read(reinterpret_cast<char*>(&val),8); return *this; }
Deserialiser& operator>>(TUint32& val)
{ iStream.read((char*)&val,4); return *this; }
Deserialiser& operator>>(TUint16& val)
{ iStream.read((char*)&val,2); return *this; }
Deserialiser& operator>>(TUint8& val)
{iStream.read((char*)&val,1); return *this; }
Deserialiser& operator>>(bool& val)
{
TUint32 x = 0;
iStream.read((char*)&x,4);
val = (bool)x;
return *this;
}
template <class T>
Deserialiser& operator>>(std::vector<T>& val)
{
TUint32 size = 0;
*this >> size;
val.resize(size);
for (TUint32 i = 0; i < size ; ++i)
{
*this >> val[i];
}
return *this;
}
#ifndef _MSC_VER
template <class T>
Deserialiser& operator>>(std::vector<T*>& val)
{
TUint32 size = 0;
*this >> size;
val.resize(size);
for (TUint32 i = 0; i < size ; ++i)
{
val[i] = new T;
*this >> *val[i];
}
return *this;
}
#endif
Deserialiser& operator>>(std::string& val)
{
Cardinality card;
*this >> card;
TUint32 size = card;
char* buff = 0;
if (size & 0x01)
{
// 8-bit
size = size >> 1;
buff = new char[(int)size];
iStream.read(buff, size);
}
else
{
throw std::runtime_error("Decoding unicode into std::string");
}
val.assign(buff, size);
delete buff;
return *this;
}
#ifdef __TOOLS2_LINUX__
Deserialiser& operator>>(std::wstring& val)
{
Cardinality card;
*this >> card;
TUint32 size = card;
TUint32 sizebackup = size;
unsigned short int* buff = 0;
if (size & 0x01)
{
throw std::runtime_error("Decoding 8bit text into std::wstring");
}
else
{
size = size >> 1;
buff = new unsigned short int[(int)size];
TUnicodeExpander exp;
TMemoryUnicodeSink sink((TUint16*)buff);
exp.ExpandL(sink, *this ,size);
unsigned short int* source = buff;
wchar_t buffer[size];
// Using a temp variable in place of buffer as ConvertUTF16toUTF32 modifies the source pointer passed.
wchar_t* temp = buffer;
ConvertUTF16toUTF32(&source, source + sizebackup, &temp, temp + size, lenientConversion);
// Appending NUL to the converted buffer.
*temp = 0;
val.assign(buffer, size);
}
ConvertToForwardSlash(val);
delete buff;
return *this;
}
#else
Deserialiser& operator>>(std::wstring& val)
{
Cardinality card;
*this >> card;
TUint32 size = card;
wchar_t* buff = 0;
if (size & 0x01)
{
throw std::runtime_error("Decoding 8bit text into std::wstring");
}
else
{
size = size >> 1;
buff = new wchar_t[(int)size];
TUnicodeExpander exp;
TMemoryUnicodeSink sink((TUint16*)buff);
exp.ExpandL(sink, *this ,size);
}
val.assign(buff, size);
delete buff;
return *this;
}
#endif
void read(TUint8* aDst, TUint32 aCount)
{
iStream.read((char*)aDst, aCount);
}
private:
std::istream& iStream;
};
#endif /* DESERIALISER_H */