DocumentServer/ActiveX/ASCOfficePPTXFile/PathHelpers.h
nikolay ivanov a8be6b9e72 init repo
2014-07-05 18:22:49 +00:00

157 lines
4 KiB
C++

/*
* (c) Copyright Ascensio System SIA 2010-2014
*
* This program is a free software product. You can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License (AGPL)
* version 3 as published by the Free Software Foundation. In accordance with
* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
* that Ascensio System SIA expressly excludes the warranty of non-infringement
* of any third-party rights.
*
* This program is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
*
* You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
* EU, LV-1021.
*
* The interactive user interfaces in modified source and object code versions
* of the Program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU AGPL version 3.
*
* Pursuant to Section 7(b) of the License you must retain the original Product
* logo when distributing the program. Pursuant to Section 7(e) we decline to
* grant you any rights under trademark law for use of our trademarks.
*
* All the Product's GUI elements, including illustrations and icon sets, as
* well as technical writing content are licensed under the terms of the
* Creative Commons Attribution-ShareAlike 4.0 International. See the License
* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
*
*/
#pragma once
#include <atlutil.h>
#include <atlstr.h>
namespace PathHelpers
{
static inline BOOL UnescapeURL (LPCWSTR szStringIn, LPWSTR szStringOut, LPDWORD pdwStrLen, DWORD dwMaxLength)
{
ATLENSURE(szStringIn != NULL);
ATLENSURE(szStringOut != NULL);
BOOL bRet = FALSE;
int nSrcLen = (int) wcslen(szStringIn);
int nCnt = WideCharToMultiByte(CP_ACP, 0, szStringIn, nSrcLen, NULL, 0, NULL, NULL);
if (nCnt != 0)
{
nCnt++;
CHeapPtr<char> szIn;
char szInBuf[ATL_URL_MAX_URL_LENGTH];
char *pszIn = szInBuf;
if (nCnt <= 0)
{
return FALSE;
}
if (nCnt > ATL_URL_MAX_URL_LENGTH)
{
if (!szIn.AllocateBytes(nCnt))
{
return FALSE;
}
pszIn = szIn;
}
nCnt = WideCharToMultiByte(CP_ACP, 0, szStringIn, nSrcLen, pszIn, nCnt, NULL, NULL);
ATLASSERT( nCnt != 0 );
pszIn[nCnt] = '\0';
char szOutBuf[ATL_URL_MAX_URL_LENGTH];
char *pszOut = szOutBuf;
CHeapPtr<char> szTmp;
if (dwMaxLength > ATL_URL_MAX_URL_LENGTH)
{
if (!szTmp.AllocateBytes(dwMaxLength))
{
return FALSE;
}
pszOut = szTmp;
}
DWORD dwStrLen = 0;
bRet = AtlUnescapeUrl(pszIn, pszOut, &dwStrLen, dwMaxLength);
if (bRet != FALSE)
{
_ATLTRY
{
Checked::wmemcpy_s(szStringOut, dwMaxLength, CA2W( pszOut ), dwStrLen);
}
_ATLCATCHALL()
{
bRet = FALSE;
}
}
if (pdwStrLen)
{
*pdwStrLen = dwStrLen;
}
}
return bRet;
}
static inline CString ResourceFileSystemPath (const CString& toPath)
{
CString sPathName = toPath;
int lIndex = -1;
lIndex = sPathName.Find(_T("file:///"));
if (0 == lIndex)
sPathName = sPathName.Mid(8);
lIndex = sPathName.Find(_T("file://"));
if (0 == lIndex)
sPathName = sPathName.Mid(7);
lIndex = sPathName.Find(_T("file:\\"));
if (0 == lIndex)
sPathName = sPathName.Mid(6);
DWORD dwLength = 0;
CString filePath;
if (UnescapeURL (sPathName, filePath.GetBuffer(4096), &dwLength, 4096))
sPathName = filePath;
filePath.ReleaseBuffer();
return sPathName;
}
static inline CString ResourceFileSystemPathXml (const CString& toPath)
{
CString sPathName = ResourceFileSystemPath (toPath);
sPathName.Replace ( _T("&"), _T("&amp;") );
sPathName.Replace ( _T("'"), _T("&apos;") );
sPathName.Replace ( _T("<"), _T("&lt;") );
sPathName.Replace ( _T(">"), _T("&gt;") );
sPathName.Replace ( _T("\""), _T("&quot;") );
return sPathName;
}
}