void CZipPathComponent::SetFullPath(LPCTSTR lpszFullPath)
{
TCHAR szDrive[_MAX_DRIVE];
TCHAR szDir[_MAX_DIR];
TCHAR szFname[_MAX_FNAME];
TCHAR szExt[_MAX_EXT];
CZipString szTempPath(lpszFullPath);
const CZipString szPrefix = _T("\\\\?\\unc\\");
int i = -1, iLen = szPrefix.GetLength();
if (iLen > szTempPath.GetLength())
iLen = szTempPath.GetLength();
CZipString szPossiblePrefix = szTempPath.Left(iLen);
szPossiblePrefix.MakeLower(); // must perform case insensitive comparison
while (++i < iLen && szPossiblePrefix[i] == szPrefix[i]);
if (i == 2 || i == 4 || i == 8) // unc path, unicode path or unc path meeting windows file name conventions
{
m_szPrefix = szTempPath.Left(i);
szTempPath = szTempPath.Mid(i);
}
else
m_szPrefix.Empty();
_tsplitpath(szTempPath, szDrive , szDir, szFname, szExt);
m_szDrive = szDrive;
m_szDirectory = szDir;
m_szDirectory.TrimLeft(m_cSeparator);
m_szDirectory.TrimRight(m_cSeparator);
SetExtension(szExt);
m_szFileTitle = szFname;
}
BOOL CZipException::GetErrorMessage(LPTSTR lpszError, UINT nMaxError,
UINT* )
{
if (!lpszError || !nMaxError)
return FALSE;
CZipString sz = GetErrorDescription();
if (sz.IsEmpty())
return FALSE;
UINT iLen = sz.GetLength();
if (nMaxError - 1 < iLen)
iLen = nMaxError - 1;
LPTSTR lpsz = sz.GetBuffer(iLen);
#if _MSC_VER >= 1400
#ifdef _UNICODE
wcsncpy_s(lpszError, nMaxError, lpsz, iLen);
#else
strncpy_s(lpszError, nMaxError, lpsz, iLen);
#endif
#else
#ifdef _UNICODE
wcsncpy(lpszError, lpsz, iLen);
#else
strncpy(lpszError, lpsz, iLen);
#endif
#endif
lpszError[iLen] = _T('\0');
return TRUE;
}
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;
}
CZipAddFileInfo(const CZipString& szFilePath, const CZipString& szFileNameInZip)
:m_szFilePath(szFilePath), m_szFileNameInZip(szFileNameInZip)
{
int is = szFileNameInZip.GetLength();
m_iSeparators = 0;
for (int i = 0; i < is; i++)
if (CZipPathComponent::IsSeparator(szFileNameInZip[i]))
m_iSeparators++;
}
void CZipPathComponent::SetFullPath(LPCTSTR lpszFullPath)
{
CZipString szTempPath(lpszFullPath);
const CZipString szPrefix = _T("\\\\?\\unc\\");
int i = -1, iLen = szPrefix.GetLength();
if (iLen > szTempPath.GetLength())
iLen = szTempPath.GetLength();
CZipString szPossiblePrefix = szTempPath.Left(iLen);
szPossiblePrefix.MakeLower(); // must perform case insensitive comparison
while (++i < iLen && szPossiblePrefix[i] == szPrefix[i]);
if (i == 2 || i == 4 || i == 8) // unc path, Unicode path or unc path meeting windows file name conventions
{
m_szPrefix = szTempPath.Left(i);
szTempPath = szTempPath.Mid(i);
}
else
m_szPrefix.Empty();
m_szDrive.Empty();
m_szFileTitle.Empty();
m_szDirectory.Empty();
m_szFileExt.Empty();
int p;
for (p = szTempPath.GetLength() - 1; p >= 0; p--)
if (szTempPath[p] == m_cSeparator)
break;
if (p != -1)
{
m_szDirectory = szTempPath.Left(p);
if (p == szTempPath.GetLength() - 1 )
return; // no filename present
else
p++;
}
else
p = 0;
// p points at the beginning of the filename
m_szFileTitle = szTempPath.Mid(p);
for (p = m_szFileTitle.GetLength() - 1; p >= 0; p--)
if (m_szFileTitle[p] == _T('.'))
break;
if (p != -1)
{
m_szFileExt = m_szFileTitle.Mid(p+1);
m_szFileTitle = m_szFileTitle.Left(p);
}
}
ZIP_API bool ZipArchiveLib::IsStringAscii(const CZipString& value)
{
for (int i = 0; i < value.GetLength(); i++)
#if !defined __GNUC__ || defined __MINGW32__
if (!_istascii(value[i]))
#else
if (!isascii(value[i]))
#endif
return false;
return true;
}
int CZipPathComponent::IsPrefixed(const CZipString& path)
{
int i = -1, iLen = PathPrefix.GetLength();
int pathLen = path.GetLength();
if (iLen > pathLen)
iLen = pathLen;
CZipString szPossiblePrefix = path.Left(iLen);
szPossiblePrefix.MakeLower(); // must perform case insensitive comparison
while (++i < iLen && szPossiblePrefix[i] == PathPrefix[i]);
return i;
}
CZipString ZipPlatform::GetTmpFileName(LPCTSTR lpszPath, ZIP_U32_U64 uSizeNeeded)
{
TCHAR empty[] = _T(""), prefix [] = _T("zar");
TCHAR* buf = NULL;
CZipString tempPath = lpszPath;
if (tempPath.IsEmpty())
tempPath = "/tmp";
if (ZipPlatform::GetDeviceFreeSpace(tempPath) < uSizeNeeded)
return empty;
CZipPathComponent::AppendSeparator(tempPath);
tempPath += prefix;
tempPath += _T("XXXXXX");
int handle = mkstemp(tempPath.GetBuffer(tempPath.GetLength()));
tempPath.ReleaseBuffer();
if (handle != -1)
{
close(handle); // we just create the file and open it later
return tempPath;
}
else
return empty;
}
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;
}
