//-----------------------------------------------------------------------------+
// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
// = FileName	:   TGGiCompressStorage 类
// = Version	:   ver2.0
// = Author		:   wlw
// = CreateDate	:   2002-09-09
// = Description:   TGGiCompressStorage 定义
// = Maintainers: 
//                  
//-----------------------------------------------------------------------------+
#include "StdAfx.h"
#include "TGGiCompressStorage.h"
#include "TAString.h"
#include "TchGlobalDef.h"
#include "TchGlobalFunc.h"

TGGiCompressStorage::TGGiCompressStorage(const TCHAR *fname, const TCHAR *ext, const TCHAR *title,int opMode)
	: TGGiSlibStorage(fname, LZW_EXT, title, opMode), extNormal(ext)
{

}

TGGiCompressStorage::~TGGiCompressStorage()
{

}

int TGGiCompressStorage::Copy(int n, const TCHAR *destFile)
{
	TCString sDest = destFile;
	TCHAR *p = tstrchr_new((TCHAR *)sDest, '.');
	if (p)
	{
		*p = 0;
	}

	TCString sFile1, sFile2;
	sFile1 << sDest << LZW_EXT;
	sFile2 << sDest << extNormal;

	if (TGGiSlibStorage::Copy(n, sFile1)) 
	{
		m_pStreamFile->UnPack(sFile1, sFile2);
		_tremove(sFile1);
		return 1;
	}

	return 0;
}

int TGGiCompressStorage::QuickCopy(const TCHAR *destFile)
{
	int nRet;
	nRet = TGGiSlibStorage::QuickCopy(destFile);
	if (nRet == 1)
	{
		char drive[_MAX_DRIVE] = "", dir[_MAX_DIR] = "", fname[_MAX_FNAME] = "", ext[_MAX_EXT] = "";
		_splitpath(_AS(destFile), drive, dir, fname, ext);
		
		TCString sDwgPrefix(256);
		if (drive[0] && dir[0]) 
		{
			sDwgPrefix << drive << dir;
		}
		else 
		{
			TGGetVar(_T("DWGPREFIX"), sDwgPrefix);
		}
		
		TCString sFile1, sFile2;
		sFile1 << sDwgPrefix << fname << LZW_EXT;
		sFile2 << sDwgPrefix << fname << extNormal;
		
		m_pStreamFile->UnPack(sFile1, sFile2);
		_tremove(sFile1);
		
		return 1;
	} 
	
	return nRet;
}

//移第 n 个记录到磁盘文件
int TGGiCompressStorage::Move(int n, const TCHAR *destFile)
{
	TCString sDest = destFile;
	TCHAR *p = tstrchr_new((TCHAR *)sDest, '.');
	if (p) 
	{
		*p = 0;
	}

	TCString sFile1, sFile2;
	sFile1 << sDest << LZW_EXT;
	sFile2 << sDest << extNormal;
	
	if (TGGiSlibStorage::Move(n, sFile1)) 
	{
		m_pStreamFile->UnPack(sFile1, sFile2);
		_tremove(sFile1);
	
		return 1;
	}

	return 0;
}

int TGGiCompressStorage::Append(const TCHAR *srcFile, const TCHAR *szItem)
{
	TCHAR drive[_MAX_DRIVE] = _T(""), dir[_MAX_DIR] = _T(""), file[_MAX_FNAME] = _T(""), ext[_MAX_EXT];
	_tsplitpath(srcFile, drive, dir, file, ext);

	TCHAR sDwgPrefix[80] = _T("");
	TGGetVar(_T("DWGPREFIX"), sDwgPrefix);

	TCString sFile1, sFile2;
	sFile1 << drive << dir << file << extNormal;
	sFile2 << sDwgPrefix << file << LZW_EXT;

	if (m_pStreamFile->Pack(sFile1, sFile2) == RTNORM) 
	{
		int nRet=TGGiSlibStorage::Append(sFile2, szItem);
		remove(_AS(sFile2));
		return nRet;
	}

	return 0;
}