/*

* Copyright (c) 1997-2009 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: 

*

*/

#include <assert.h>

#include <stdlib.h>

#include <memory.h>

#include "RESOURCE.H"          

#include "DATATYPE.H"          

#include "Parser.h"            

#include "rcomp.hpp"           

#include "NUMVAL.H"            

#include "MEM.H"               

#include "ERRORHAN.H"          

#include "UNICODE_COMPRESSOR.H"

#include "main.h"              

#if defined(__MSVCDOTNET__) || defined(__TOOLS2__)

using std::endl;

using std::cout;

#endif //__MSVCDOTNET__

extern int verbose;

extern String::CharacterSet SourceCharacterSet;

void Panic(int aCode) // used by UNICODE_COMPRESSOR.CPP

	{

	exit(aCode);

	}

RCTypeArray gTypes;

// StructItem based ostream functions

ostream& SimpleStructItem::StreamOut ( ostream & os)

	{

	return operator<< ( os, * this);

	}

ostream& ArrayStructItem::StreamOut ( ostream & os)

	{

	return operator<< ( os, * this);

	}

ostream& StructTypeStructItem::StreamOut ( ostream & os)

	{

	return operator<< ( os, * this);

	}

ostream& StructArrayStructItem::StreamOut ( ostream & os)

	{

	return operator<< ( os, * this);

	}

ostream& operator<< ( ostream & os, SimpleStructItem & o)

	{

	os << "SimpleStructItem        ";

	os << o.iLabel;

	os << "\t" << gTypes.GetName( o.iItemType);

	os << "\tDefault: " << o.iDefault;

	os << "\tLength limit: " << o.iLengthLimit;

	os << endl;

	return os ;

	}

ostream& operator<< ( ostream & os, ArrayStructItem & o)

	{

	os << "ArrayStructItem         ";

	os << o.iLabel;

	os << "\t" << gTypes.GetName( o.iItemType);

	os << "\tDefaults: " << o.iDefaults;

	os << "\tLen Type: " << ((o.iLenType == 0) ? "<none>" : gTypes.GetName(o.iLenType));

	os << "\tSize: " << o.iSize;

	os << endl;

	return os ;

	}

ostream& operator<< ( ostream & os, StructTypeStructItem & o)

	{

	os << "StructTypeStructItem    ";

	os << o.iLabel;

	os << endl;

	return os;

	}

ostream& operator<< ( ostream & os, StructArrayStructItem & o)

	{

	os << "StructArrayStructItem   ";

	os << o.iLabel;

	os << "\tLen Type: " << ( ( o.iLenType == 0) ? "<none>" : gTypes.GetName( o.iLenType) );

	os << "\tSize: " << o.iSize;

	os << endl;

	return os;

	}

ostream& operator<< ( ostream & os, StructItemArray & o)

	{

	if (o.Size() == 0)

		return ( os << "<none>");

	StructItemArrayIterator next(o);

	StructItem* p;

	while ((p = next() ) != NULL)

		p->StreamOut(os);

	return os;

	}

ostream& operator<< ( ostream & os, StructHeader & o)

	{

	os << "StructHeader            ";

	os << o.iLabel << endl;

	os << "\tLen Type: " << ( ( o.iLenType == 0) ? "<none>" : gTypes.GetName( o.iLenType) ) << endl;

	os << o.iSIA;

	return os;

	}

ostream& operator<< ( ostream & os, StructHeaderArray & o)

	{

	if (o.Size() == 0)

		return ( os << "<none>");

	StructHeaderArrayIterator next( o);

	StructHeader* p;

	while ( ( p = next() ) != NULL)

		os << *p;

	return os;

	}

// ResourceItem based ostream functions

ostream& SimpleResourceItem::StreamOut(ostream& os)

	{

	return operator<<(os,*this);

	}

ostream& ArrayResourceItem::StreamOut(ostream& os)

	{

	return operator<<(os,*this);

	}

ostream& StructTypeResourceItem::StreamOut(ostream& os)

	{

	return operator<<(os,*this);

	}

ostream& StructArrayResourceItem::StreamOut(ostream& os)

	{

	return operator<<(os,*this);

	}

ostream & operator<<(ostream& os,SimpleResourceItem& o)

	{

	os << "SimpleResourceItem [" << gTypes.GetName(o.iStructItem->iItemType) << " " << o.iStructItem->iLabel << "]  ";

	switch( o.iStructItem->iItemType)

		{

		case L_TEXT:

		case L_LTEXT:

		case L_BUF:

		case L_BYTE:

		case L_WORD:

		case L_LONG:

			os << o.iValue;

			break;

		case L_SRLINK:

			break;	// Don't know value yet.

		}

	os << endl;

	return os;

	}

ostream & operator<< ( ostream & os, ArrayResourceItem & o)

	{

	os << "ArrayResourceItem [" << o.iStructItem->iLabel << "]  ";

	os << o.iValues;

	os << endl;

	return os;

	}

ostream & operator<< ( ostream & os, StructTypeResourceItem & o)

	{

	static unsigned long level = 0;	// Recursion level.

	os << "StructTypeResourceItem (Level " << level++ << ") ["  << o.iStructItem->iLabel << "]  " << endl;

	os << "----------------------" << endl;

	os << o.iResourceItems;

	os << "----------------------" << endl;

	level--;

	return os;

	}

ostream & operator<< ( ostream & os, StructArrayResourceItem & o)

	{

	static unsigned long level = 0;	// Recursion level.

	os << "StructArrayResourceItem (Level " << level++ << ") ["  << o.iStructItem->iLabel << "]  " << endl;

	DataType counttype = o.iStructItem->iLenType;

	if (counttype==0)

		counttype = L_WORD;

	unsigned long nitems = o.iArrayOfResourceItemArrays.Size();

	os << "ArrayLength [" << gTypes.GetName(counttype) << "] " << nitems << endl;

	if (nitems > 0)

		{

		os << "----------------------" << endl;

		os << o.iArrayOfResourceItemArrays;

		os << "----------------------" << endl;

		}

	level--;

	return os;

	}

ostream & operator<< ( ostream & os, ResourceHeader & o)

	{

	os << "ResourceHeader          ";

	os << o.iLabel << endl;

	os << o.iRIA;

	return os;

	}

ostream & operator<< ( ostream & os, ResourceItemArray & o)

	{

	os << "++ResourceItemArray" << endl;

	if ( o.iLenType != 0)

		{

		os << "LenType: " << gTypes.GetName( o.iLenType) << "\t";

		}

	if ( o.Size() == 0)

		return ( os << "<none>");

	ResourceItemArrayIterator	next( o);

	ResourceItem * p;

	while ( ( p = next() ) != NULL)

		p->StreamOut( os);

	return os;

	}

ostream & operator<< ( ostream & os, ResourceItemArrayArray & o)

	{

	os << "--ResourceItemArrayArray" << endl;

	if ( o.Size() == 0)

		return ( os << "<none>");

	ResourceItemArrayArrayIterator	next( o);

	ResourceItemArray * p;

	while ( ( p = next() ) != NULL)

		os << * p;

	return os;

	}

void StreamOutCompressingIfReducesSize(ResourceDataStream& aStream, const UTF16* aUncompressedUnicodeBuffer, int aUncompressedUnicodeLength)

	{

	const int uncompressedUnicodeSizeInBytes = aUncompressedUnicodeLength*2;

	//

	// Output buffer allocated to be one byte bigger than uncompressed input buffer.

	// This is to allow for what appears to be the worst case where the string cannot be

	// compressed at all.  In this case enough memory has to be allocated to contain

	// the uncompressable string, plus the one-byte compression mode tag.

	//

	const int maximumOutputLengthInBytes = uncompressedUnicodeSizeInBytes;

	unsigned char* const compressedUnicodeBuffer = new unsigned char[maximumOutputLengthInBytes];

	assert(compressedUnicodeBuffer != NULL);

	int compressedUnicodeSizeInBytes;

	CompressUnicode(compressedUnicodeBuffer, compressedUnicodeSizeInBytes, maximumOutputLengthInBytes, aUncompressedUnicodeBuffer, aUncompressedUnicodeLength);

	if (compressedUnicodeSizeInBytes < uncompressedUnicodeSizeInBytes)

		{

		aStream.StartOfCompressedUnicodeRun(uncompressedUnicodeSizeInBytes, (const unsigned char*)aUncompressedUnicodeBuffer);

		aStream.StreamIn(compressedUnicodeBuffer, compressedUnicodeSizeInBytes);

		aStream.EndOfCompressedUnicodeRun();

		}

	else if (uncompressedUnicodeSizeInBytes>0)

		{

		aStream.TwoByteAlignmentPoint();

		aStream.StreamIn((const unsigned char*)aUncompressedUnicodeBuffer, uncompressedUnicodeSizeInBytes);

		}

	delete [] compressedUnicodeBuffer;

	}

// ResourceItem based RCBinaryStream functions

// These are used to write the raw data as required in the final output file

static void StreamOutSingleValue(

	ResourceDataStream&	aStream,

	const String &		aValue,

	unsigned long		aLinkValue,

	DataType 			aItemType,

	const String *		aFileName,

	int					aLineNumber

	)

	{

	ErrorHandler::Register( aFileName, aLineNumber);	// Register in case conversion to number fails.

	switch ( aItemType)

		{

        // 8-bit text

		case L_TEXT8:

            {	// Null terminator, no leading byte count.

           		unsigned char * p = new unsigned char[ aValue.Length() + 1];

				if ( aValue.Length() > 0)

           			memcpy( p, aValue.GetAssertedNonEmptyBuffer(), aValue.Length() );

           		* ( p + aValue.Length() ) = '\0';

           		aStream.StreamIn(p, aValue.Length() + 1);

           		delete [] p;

            	break;

            }

		case L_LTEXT8:

            {	// Leading byte count, no null terminator. (For zero length string a byte containing

            	// zero is written out.

				assert ( aValue.Length() <= 255 );

           		unsigned char * p = new unsigned char[ aValue.Length() + 1];

				if ( aValue.Length() > 0)

           			memcpy( p + 1, aValue.GetAssertedNonEmptyBuffer(), aValue.Length() );

           		*p = (unsigned char)(aValue.Length());

           		aStream.StreamIn(p, aValue.Length() + 1);

           		delete [] p;

            	break;

            }

		case L_BUF8:	// Write just the characters from the string.

			aStream.StreamIn((const unsigned char*)aValue.GetAssertedNonEmptyBuffer(), aValue.Length());

			break;

        // 16-bit text

        case L_BUF16:   // write out unadorned 16-bit characters

            {

            int output_count;   // used as character count for binary output.

            // reserve enough for worst case

            output_count = aValue.Length();

            UTF16 *output_buffer = new UTF16[output_count];

            aValue.Export(output_buffer, output_count, SourceCharacterSet);

			// write out the buffer as a stream of octets.

			#if defined(__TOOLS2_WINDOWS__)

			StreamOutCompressingIfReducesSize(aStream, (const unsigned short*)output_buffer, output_count);

			#else

			StreamOutCompressingIfReducesSize(aStream, output_buffer, output_count);

			#endif

            delete [] output_buffer;

            break;

            }

        case L_TEXT16:  // write out a null-terminated string

			// this has no support in BAFL

            {

            int output_count;   // used as character count for binary output.

            // reserve enough for worst case + null terminator.

            output_count = aValue.Length();

            UTF16 *output_buffer = new UTF16[output_count +1];

            aValue.Export(output_buffer, output_count, SourceCharacterSet);

            output_buffer[output_count] = 0;

            output_count +=1;

            // write out the buffer as a stream of octets.

			#if defined(__TOOLS2_WINDOWS__)

			StreamOutCompressingIfReducesSize(aStream, (const unsigned short*)output_buffer, output_count);

			#else

			StreamOutCompressingIfReducesSize(aStream, output_buffer, output_count);

			#endif			

            delete [] output_buffer;

            break;

            }            

        case L_LTEXT16:  // write out counted string.  The count is in

                         // an octet, not a word.

            {

            int output_count;      // used as character count for binary output.

            unsigned char lbcount; // To hold the leading byte count.

            // reserve enough for worst case

            output_count = aValue.Length();

	// XXX I have commented the assert statement below out, because an LTEXT can't have length

	// XXX bigger than 255, but sometimes this happens. A solution would be to throw an error

	// XXX in structst.cpp, in the SimpleStructItem::SimpleStructItem() constructor.

            UTF16 *output_buffer = new UTF16[output_count];

            aValue.Export(output_buffer, output_count, SourceCharacterSet);

            // write out the count.

            lbcount = (unsigned char) output_count;

            aStream.StreamIn(&lbcount,1);

            // write out the buffer as a stream of octets.

	    StreamOutCompressingIfReducesSize(aStream, output_buffer, output_count);	

            delete [] output_buffer;

            break;

            }            

		case L_BYTE:

		case L_WORD:

		case L_LONG:

		case L_DOUBLE:

			assert ( aValue.Length() > 0);

			if(verbose) { MOFF; cout << "Converting " << aValue << " to number." << endl; MON;}

			NumericValue( aValue, aItemType).StreamOut(aStream);

			break;

		case L_SRLINK:

			NumericValue( aLinkValue, L_LONG).StreamOut(aStream);

			break;

		case L_LINK:

		case L_LLINK:

			{

				if ( aValue.Length() > 0)

				{

					DataType dtype = ( aItemType == L_LINK) ? L_WORD : L_LONG;

					if ( aValue.IsDecNatural() )	// If a resource id was specified explicitly e.g. -75 then output the value.

						NumericValue(aValue, dtype).StreamOut(aStream);

					else

					{

						// If FindId fails to find the link it will output an

						// appropriate error and kill the program.

						ErrorHandler::Register(aFileName, aLineNumber);

						unsigned long id = pG->ResourceNameIds.FindId(aValue);

						NumericValue(id, dtype).StreamOut(aStream);

					}

				}

				break;

			}

		default:

			{ 	MOFF; cout << "RCBinaryStream:Unknown type " << gTypes.GetName( aItemType) << endl; MON;}

		}

	}

void SimpleResourceItem::StreamOut(ResourceDataStream& aStream) const

	{

	StreamOutSingleValue(aStream, iValue, iLinkValue, iStructItem->iItemType, iFileName, iLineNumber);

	}

void ArrayResourceItem::StreamOut(ResourceDataStream& aStream) const

	{

	NumericValue * itemcount = NULL;

	if(iStructItem->iSize.Length() == 0)	// STRUCT item says [] i.e. no size specified.

		{

		if (iStructItem->iLenType == 0)	// No LEN declaration so default to WORD.

			itemcount = new NumericValue( L_WORD);

		else

			itemcount = new NumericValue( iStructItem->iLenType); // Use specified type.

		* itemcount = iValues.Size();

		itemcount->StreamOut(aStream);

		delete itemcount;

		}

	if ( iValues.Size() == 0)

		return;

	StringArrayIterator next( iValues);

	String * p;

	while ( ( p = next() ) != NULL)

		{

		assert( iStructItem->iItemType != L_SRLINK);	// Can't handle arrays of SRlinks.

		StreamOutSingleValue(aStream, *p, 0, iStructItem->iItemType, iFileName, iLineNumber);

		}

	}

void StructTypeResourceItem::StreamOut(ResourceDataStream& aStream) const

	{

	iResourceItems.StreamOut(aStream);

	}

void StructArrayResourceItem::StreamOut(ResourceDataStream& aStream) const

	{

	NumericValue * itemcount = NULL;

	if(iStructItem->iLenType == 0)	// No LEN declaration so default to WORD.

		itemcount = new NumericValue( L_WORD);

	else

		itemcount = new NumericValue( iStructItem->iLenType); // Use specified type.

	* itemcount = iArrayOfResourceItemArrays.Size();

	itemcount->StreamOut(aStream);

	delete itemcount;

	if(iArrayOfResourceItemArrays.Size() == 0)

		return;

	iArrayOfResourceItemArrays.StreamOut(aStream);

	}

void ResourceItemArray::StreamOut(ResourceDataStream& aStream) const

	{

	if (Size() == 0)

		return;

	static unsigned int RecursionLevel = 0; // Top level should not have resource size output.

	const bool outputSize=((iLenType != 0) && (RecursionLevel > 0));

	if (outputSize)

		{

		aStream.StartOfBlockWithSizePrefix(iLenType);

		}

	RecursionLevel++;

	ResourceItemArrayIterator next(*this);

	ResourceItem * p;

	while ( ( p = next() ) != NULL)

		{

		p->StreamOut(aStream);

		}

	RecursionLevel--;

	if (outputSize)

		{