bool CheckOrder(const CZipString& sz1, const CZipString& sz2,
int iSep1, int iSep2, bool bCheckTheBeginning = false) const
{
if (iSep1)
{
if (iSep2)
{
if (iSep1 == iSep2)
return (sz1.*pZipComp)(sz2) < 0;
if (bCheckTheBeginning)
{
int is = sz1.GetLength() > sz2.GetLength() ? sz2.GetLength() : sz1.GetLength();
int iSeparators = 0;
// find the common path beginning
int iLastSepPos = -1;
for (int i = 0; i < is; i++)
{
CZipString sz = sz2.Mid(i, 1);
if ((sz1.Mid(i, 1).*pZipComp)(sz) != 0) // must be Mid 'cos of case sens. here
break;
else if (CZipPathComponent::IsSeparator(sz[0]))
{
iLastSepPos = i;
iSeparators++;
}
}
// if necessary remove the common path beginning and check again
if (iLastSepPos != -1)
return CheckOrder(sz1.Mid(iLastSepPos), sz2.Mid(iLastSepPos), iSep1 - iSeparators, iSep2 - iSeparators);
}
return (sz1.*pZipComp)(sz2) < 0;
}
else
return false;
}
else
if (iSep2)
return true;
else
return (sz1.*pZipComp)(sz2) < 0;
}
ZIPINLINE bool ZipPlatform::RemoveFile(LPCTSTR lpszFileName, bool bThrow, int iMode)
{
if ((iMode & ZipPlatform::dfmRemoveReadOnly) != 0)
{
DWORD attr;
if (ZipPlatform::GetFileAttr(lpszFileName, attr)
&& (ZipCompatibility::GetAsInternalAttributes(attr, ZipPlatform::GetSystemID()) & ZipCompatibility::attROnly) != 0)
{
ZipPlatform::SetFileAttr(lpszFileName, ZipPlatform::GetDefaultAttributes());
}
}
#ifdef SHFileOperation
if ((iMode & ZipPlatform::dfmRecycleBin) == 0)
{
#endif
if (::DeleteFile((LPTSTR)(LPCTSTR)CZipPathComponent::AddPrefix(lpszFileName, false)))
return true;
#ifdef SHFileOperation
}
else
{
CZipString file = lpszFileName;
#if defined _UNICODE && _MSC_VER >= 1400
if (file.GetLength() >= MAX_PATH)
{
// cannot prefix for SHFileOperation, use short path
CZipString temp = CZipPathComponent::AddPrefix(lpszFileName, false);
DWORD size = ::GetShortPathName(temp, NULL, 0);
if (size != 0)
{
size = ::GetShortPathName(temp, file.GetBuffer(size), size);
file.ReleaseBuffer();
}
if (size == 0)
{
if (bThrow)
CZipException::Throw(CZipException::notRemoved, lpszFileName);
return false;
}
// GetShortPathName keeps the prefix - remove it
int prefixLength = CZipPathComponent::IsPrefixed(file);
if (prefixLength > 0)
{
file = file.Mid(prefixLength);
}
}
#endif
int length = file.GetLength();
CZipAutoBuffer buffer((length + 2) * sizeof(TCHAR), true); // double NULL is required
memcpy(buffer, (LPCTSTR)file, length * sizeof(TCHAR));
SHFILEOPSTRUCT shFileOp = {0};
shFileOp.wFunc = FO_DELETE;
shFileOp.fFlags = FOF_ALLOWUNDO | FOF_NOCONFIRMATION | FOF_SILENT | FOF_NOERRORUI;
shFileOp.pFrom = (LPCTSTR)(char*)buffer;
if (SHFileOperation(&shFileOp) == 0 && !shFileOp.fAnyOperationsAborted)
return true;
}
#endif
if (bThrow)
CZipException::Throw(CZipException::notRemoved, lpszFileName);
return false;
}
