CZipCentralDir::CZipCentralDir()
{
m_bConvertAfterOpen = true;
m_bFindFastEnabled = false;
m_bCaseSensitive = false;
m_pCompare = GetCZipStrCompFunc(ZipPlatform::GetSystemCaseSensitivity());
m_pStorage = NULL;
m_pOpenedFile = NULL;
m_iBufferSize = 32768;
}
void CZipCentralDir::BuildFindFastArray( bool bCaseSensitive )
{
m_findarray.RemoveAll();
m_bCaseSensitive = bCaseSensitive;
m_pCompare = GetCZipStrCompFunc(bCaseSensitive);
int iCount = m_headers.GetSize();
if (!m_bConvertAfterOpen)
{
for (int i = 0; i < iCount; i++)
{
CZipFileHeader fh = *m_headers[i];
ConvertFileName(true, false, &fh);
InsertFindFastElement(&fh, i); // this method requires the name to be already converted
}
}
else
for (int i = 0; i < iCount; i++)
InsertFindFastElement(m_headers[i], i);
}
int CZipCentralDir::FindFile(LPCTSTR lpszFileName, bool bCaseSensitive, bool bSporadically, bool bFileNameOnly)
{
// this is required for fast finding and is done only once
if (!m_bConvertAfterOpen)
{
TRACE(_T("%s(%i) : Converting all the filenames.\n"),__FILE__,__LINE__);
ConvertAll();
}
if (!m_bFindFastEnabled)
EnableFindFast(true, bSporadically ? !bCaseSensitive : bCaseSensitive);
int iResult = -1;
if (bFileNameOnly)
{
// a non-effective search (treat an array as unsorted)
// set the proper compare function
if (bCaseSensitive != m_bCaseSensitive)
m_pCompare = GetCZipStrCompFunc(bCaseSensitive);
int iSize = m_findarray.GetSize();
for (int i = 0; i < iSize; i++)
{
CZipString sz = GetProperHeaderFileName(m_findarray[i].m_pHeader);
CZipPathComponent::RemoveSeparators(sz); // to find a dir
CZipPathComponent zpc(sz);
sz = zpc.GetFileName();
if ((sz.*m_pCompare)(lpszFileName) == 0)
{
iResult = i;
break;
}
}
// restore the compare function
if (bCaseSensitive != m_bCaseSensitive)
m_pCompare = GetCZipStrCompFunc(!bCaseSensitive);
}
else if (bCaseSensitive == m_bCaseSensitive)
iResult = FindFileNameIndex(lpszFileName);
else
{
if (bSporadically)
{
// a non-effective search (treat an array as unsorted)
m_pCompare = GetCZipStrCompFunc(bCaseSensitive);
int iSize = m_findarray.GetSize();
for (int i = 0; i < iSize; i++)
if (CompareElement(lpszFileName, (WORD)i) == 0)
{
iResult = i;
break;
}
m_pCompare = GetCZipStrCompFunc(!bCaseSensitive);
}
else
{
BuildFindFastArray(bCaseSensitive);
iResult = FindFileNameIndex(lpszFileName);
}
}
return iResult == -1 ? -1 : m_findarray[iResult].m_uIndex;
}
