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////////////////////////////////////////////////////////////////////////////////
// This source file is part of the ZipArchive Library Open Source distribution
// and is Copyrighted 2000 - 2022 by Artpol Software - Tadeusz Dracz
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// For the licensing details refer to the License.txt file.
//
// Web Site: https://www.artpol-software.com
////////////////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#ifdef _ZIP_SYSTEM_WIN
#include "ZipPathComponent.h"
#include "ZipAutoBuffer.h"
const CZipString CZipPathComponent::PathPrefix = _T("\\\\?\\unc\\");
CZipPathComponent::~CZipPathComponent()
{
}
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;
}
#if defined _UNICODE && _MSC_VER >= 1400
CZipString CZipPathComponent::AddPrefix(LPCTSTR path, bool isFolder)
{
CZipString ret = path;
AddPrefix(ret, isFolder);
return ret;
}
void CZipPathComponent::AddPrefix(CZipString& path, bool isFolder)
{
if (path.GetLength() >= (isFolder ? 248 : MAX_PATH))
{
int prefixLength = IsPrefixed(path);
if (prefixLength < ptUnicode)
{
if (prefixLength == ptUnc)
{
path = path.Mid(prefixLength);
// long UNC
path.Insert(0, PathPrefix.Left(CZipPathComponent::ptUncWin));
}
else
{
path.Insert(0, PathPrefix.Left(CZipPathComponent::ptUnicode));
}
}
}
}
#else
CZipString CZipPathComponent::AddPrefix(LPCTSTR path, bool)
{
return path;
}
void CZipPathComponent::AddPrefix(CZipString&, bool)
{
}
#endif
void CZipPathComponent::SetFullPath(LPCTSTR lpszFullPath)
{
TCHAR szDrive[_MAX_DRIVE];
// moving to heap to avoid C6262
CZipAutoBuffer szDirBuffer;
#if defined _UNICODE && _MSC_VER >= 1400
const int dirBufferLength = 32767;
#else
const int dirBufferLength = _MAX_DIR;
#endif
szDirBuffer.Allocate(dirBufferLength * sizeof (TCHAR), true);
TCHAR* szDir = (TCHAR*)(char*)szDirBuffer;
TCHAR szFname[_MAX_FNAME];
TCHAR szExt[_MAX_EXT];
CZipString szTempPath(lpszFullPath);
int i = IsPrefixed(szTempPath);
if (i == ptUnc || i == ptUnicode || i == ptUncWin) // 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();
#if _MSC_VER >= 1400
_tsplitpath_s(szTempPath, szDrive, _MAX_DRIVE, szDir, dirBufferLength, szFname, _MAX_FNAME, szExt, _MAX_EXT);
#elif defined __MINGW32__ || _MSC_VER >= 1200
_tsplitpath(szTempPath, szDrive, szDir, szFname, szExt);
#else
_tsplitpath(szTempPath, szDrive, _MAX_DRIVE, szDir, dirBufferLength, szFname, _MAX_FNAME, szExt, _MAX_EXT);
#endif
m_szDrive = szDrive;
m_szDirectory = szDir;
RemoveSeparatorsLeft(m_szDirectory);
RemoveSeparators(m_szDirectory);
SetExtension(szExt);
m_szFileTitle = szFname;
}
CZipString CZipPathComponent::GetNoDrive() const
{
CZipString szPath = m_szDirectory;
CZipString szFileName = GetFileName();
if (!szFileName.IsEmpty() && !szPath.IsEmpty())
szPath += m_cSeparator;
szPath += szFileName;
return szPath;
}
#endif // _ZIP_SYSTEM_WIN
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