core/ASCOfficeDocFile/DocDocxConverter/ListData.cpp

/*
 * (c) Copyright Ascensio System SIA 2010-2018
 *
 * This program is a free software product. You can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License (AGPL)
 * version 3 as published by the Free Software Foundation. In accordance with
 * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
 * that Ascensio System SIA expressly excludes the warranty of non-infringement
 * of any third-party rights.
 *
 * This program is distributed WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For
 * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
 *
 * You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
 * EU, LV-1021.
 *
 * The  interactive user interfaces in modified source and object code versions
 * of the Program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU AGPL version 3.
 *
 * Pursuant to Section 7(b) of the License you must retain the original Product
 * logo when distributing the program. Pursuant to Section 7(e) we decline to
 * grant you any rights under trademark law for use of our trademarks.
 *
 * All the Product's GUI elements, including illustrations and icon sets, as
 * well as technical writing content are licensed under the terms of the
 * Creative Commons Attribution-ShareAlike 4.0 International. See the License
 * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
 *
 */

#include "ListData.h"

#include <algorithm> 
#include <functional> 
#include <cctype>
#include <locale>

namespace DocFileFormat
{
	ListData::~ListData()
	{
		for_each(rglvl->begin(), rglvl->end(), DeleteDynamicObject());

		RELEASEOBJECT(rglvl);
	}

	// Parses the StreamReader to retrieve a ListData

	ListData::ListData(VirtualStreamReader* reader, int length) : rglvl(NULL)
	{
		long startPos = reader->GetPosition();

		lsid = reader->ReadInt32();
		tplc = reader->ReadInt32();

		for ( int i = 0; i < 9; i++ )
		{
			rgistd.push_back( reader->ReadInt16() );
		}

		//parse flagbyte
		int flag = (int)reader->ReadByte();
		fSimpleList = FormatUtils::BitmaskToBool( flag, 0x01 );

		if ( fSimpleList )
		{
			rglvl = new std::vector<ListLevel*>( 1 );
		}
		else
		{
			rglvl = new std::vector<ListLevel*>( 9 );
		}

		fRestartHdn = FormatUtils::BitmaskToBool( flag, 0x02 );
		fAutoNum	= FormatUtils::BitmaskToBool( flag, 0x04 );
		fPreRTF		= FormatUtils::BitmaskToBool( flag, 0x08 );
		fHybrid		= FormatUtils::BitmaskToBool( flag, 0x10 );

		grfhic		= reader->ReadByte();
	}

	NumberingDescriptor::NumberingDescriptor( unsigned char * data, int length )
	{
		nfc				= FormatUtils::BytesToUChar(data, 0, length);
		cbTextBefore	= FormatUtils::BytesToUChar(data, 1, length);
		cbTextAfter		= FormatUtils::BytesToUChar(data, 2, length);

		int flag		= FormatUtils::BytesToUChar(data, 3, length);

		jc				= (unsigned char)( flag & 0x03 );

		fPrev			= FormatUtils::BitmaskToBool( flag, 0x04 );
		fHang			= FormatUtils::BitmaskToBool( flag, 0x08 );

		fSetBold		= FormatUtils::BitmaskToBool( flag, 0x10 );
		fSetItalic		= FormatUtils::BitmaskToBool( flag, 0x20 );
		fSetSmallCaps	= FormatUtils::BitmaskToBool( flag, 0x40 );
		fSetCaps		= FormatUtils::BitmaskToBool( flag, 0x80 );

		flag			= FormatUtils::BytesToUChar(data, 4, length);;

		fSetStrike		= FormatUtils::BitmaskToBool( flag, 0x01 );
		fSetKul			= FormatUtils::BitmaskToBool( flag, 0x02 );

		fPrevSpace		= FormatUtils::BitmaskToBool( flag, 0x04 );
		fBold			= FormatUtils::BitmaskToBool( flag, 0x08 );
		fItalic			= FormatUtils::BitmaskToBool( flag, 0x10 );
		fSmallCaps		= FormatUtils::BitmaskToBool( flag, 0x20 );
		fCaps			= FormatUtils::BitmaskToBool( flag, 0x40 );
		fStrike			= FormatUtils::BitmaskToBool( flag, 0x80 );

		flag			= FormatUtils::BytesToUChar(data, 5, length);

		kul				= FormatUtils::BitmaskToBool( flag, 0x07 );//3 bit
		ico				= FormatUtils::BitmaskToBool( flag, 0xf1 );//5 bit

		ftc				= FormatUtils::BytesToInt16 (data, 6, length);
		
		ftc = ftc & 0x0fff; // 0x8001 ???? file(31).doc

		hps				= FormatUtils::BytesToUInt16(data, 8, length);

		iStartAt		= FormatUtils::BytesToUInt16(data, 10, length);
		dxaIndent		= FormatUtils::BytesToUInt16(data, 12, length);
		dxaSpace		= FormatUtils::BytesToUInt16(data, 14, length);

		fNumber1		= FormatUtils::BytesToUChar(data, 16, length);
		fNumberAcross	= FormatUtils::BytesToUChar(data, 17, length);
		fRestartHdn		= FormatUtils::BytesToUChar(data, 18, length);
		fSpareX			= FormatUtils::BytesToUChar(data, 19, length);
	
	// fixed size = 20
	//read the number text
		short strLen = length - 20;
		
		while (strLen > 0)
		{
			if (data[strLen + 20 - 1] != 0)
				break;
			strLen--;
		}
		if (strLen > 0)
		{
			FormatUtils::GetSTLCollectionFromBytes<std::wstring>( &(xst), data + 20, ( strLen ), ENCODING_WINDOWS_1250);
		}	
	}
	OutlineListDescriptor::~OutlineListDescriptor()
	{

	}
	OutlineListDescriptor::OutlineListDescriptor( unsigned char * data, int length )
	{
		int pos = 0;

		for (int i = 0 ; i < 9; i++)
		{
            lvl[i].Parse(data + pos, length - pos);
			pos += 16;
		}

        fRestartHdr	= FormatUtils::BytesToUChar(data, pos, length); pos += 2;
		fSpareOlst2	= FormatUtils::BytesToUChar(data, pos, length); pos += 2;
		fSpareOlst3	= FormatUtils::BytesToUChar(data, pos, length); pos += 2;
		fSpareOlst4	= FormatUtils::BytesToUChar(data, pos, length); pos += 2;
		
		short strLen = length - pos;
		
		while (strLen > 0)
		{
			if (data[strLen + 20 - 1] != 0)
				break;
			strLen--;
		}
		if (strLen > 0)
		{
			FormatUtils::GetSTLCollectionFromBytes<std::wstring>( &(xst), data + 20, ( strLen ), ENCODING_WINDOWS_1250);
		}	
	}

	ByteStructure* OutlineListDescriptor::ConstructObject(VirtualStreamReader* reader, int length)
	{
		unsigned char *data = reader->ReadBytes(212, true);
		OutlineListDescriptor *newObject = new OutlineListDescriptor(data, 212);

		delete []data;

        return static_cast<ByteStructure*>(newObject);
	}

}