filespecutils.cpp
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- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: filespecutils.cpp,v 1.1.50.3 2004/07/09 01:44:20 hubbe Exp $
- *
- * Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file,
- * are subject to the current version of the RealNetworks Public
- * Source License (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the current version of the RealNetworks Community
- * Source License (the "RCSL") available at
- * http://www.helixcommunity.org/content/rcsl, in which case the RCSL
- * will apply. You may also obtain the license terms directly from
- * RealNetworks. You may not use this file except in compliance with
- * the RPSL or, if you have a valid RCSL with RealNetworks applicable
- * to this file, the RCSL. Please see the applicable RPSL or RCSL for
- * the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL") in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your version of
- * this file only under the terms of the GPL, and not to allow others
- * to use your version of this file under the terms of either the RPSL
- * or RCSL, indicate your decision by deleting the provisions above
- * and replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient may
- * use your version of this file under the terms of any one of the
- * RPSL, the RCSL or the GPL.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the
- * portions it created.
- *
- * This file, and the files included with this file, is distributed
- * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY
- * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS
- * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET
- * ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #include "hxtypes.h"
- #include "hlxclib/sys/stat.h"
- #include "hxtick.h"
- #include "hxrand.h"
- #include "filespecutils.h"
- #include "symbihxdataf.h"
- HX_RESULT CHXFileSpecUtils::GetFreeSpaceOnDisk(const CHXDirSpecifier& volSpec, INT64& freeSpace)
- {
- HX_RESULT retVal = HXR_NOTIMPL;
-
- HX_ASSERT("GetFreeSpaceOnDisk Not written yet" == NULL);
- return retVal;
- }
- //******************************************************************************
- HX_RESULT CHXFileSpecUtils::GetTotalSpaceOnDisk(const CHXDirSpecifier& volSpec,
- INT64& totalSpace)
- {
- HX_RESULT retVal = HXR_NOTIMPL;
-
- HX_ASSERT("GetTotalSpaceOnDisk Not written yet" == NULL);
- return retVal;
- }
- //******************************************************************************
- BOOL CHXFileSpecUtils::IsDiskEjectable(const CHXDirSpecifier& volSpec)
- {
- BOOL bRetVal = FALSE;
-
- HX_ASSERT("IsDiskEjectable Not written yet" == NULL);
- return bRetVal;
- }
- // IsLocal returns TRUE if the file or directory is on a local volume
- // (not on a server)
- //******************************************************************************
- /* Include correct headers to get more fs types below... */
- BOOL CHXFileSpecUtils::IsDiskLocal(const CHXDirSpecifier& volSpec)
- {
- BOOL bRetVal = FALSE;
-
- HX_ASSERT("IsDiskLocal Not written yet" == NULL);
- return bRetVal;
- }
- // file/dir utilities
- //******************************************************************** **********
- HX_RESULT CHXFileSpecUtils::RemoveDir(const CHXDirSpecifier& dirSpec)
- {
- HX_RESULT retVal = HXR_NOTIMPL;
-
- HX_ASSERT("RemoveDir Not written yet" == NULL);
- return retVal;
- };
- //******************************************************************** **********
- HX_RESULT CHXFileSpecUtils::RemoveFile(const CHXFileSpecifier& fileSpec)
- {
- HX_RESULT retVal = HXR_FAILED;
- CSymbIHXDataFile* pDataFile = new CSymbIHXDataFile();
- if (pDataFile)
- {
- pDataFile->AddRef();
- pDataFile->Bind(fileSpec.GetPathName());
- retVal = pDataFile->Delete();
- pDataFile->Close();
- pDataFile->Release();
- }
- return retVal;
- };
- //******************************************************************************
- HX_RESULT CHXFileSpecUtils::GetFileSize(const CHXFileSpecifier& fileSpec, INT64& fSize)
- {
- HX_RESULT retVal = HXR_FAILED;
- CSymbIHXDataFile* pDataFile = new CSymbIHXDataFile();
- if (pDataFile)
- {
- struct stat statBuffer;
- pDataFile->AddRef();
- pDataFile->Bind(fileSpec.GetPathName());
- retVal = pDataFile->Stat(&statBuffer);
- pDataFile->Close();
- pDataFile->Release();
- if (retVal == HXR_OK)
- {
- fSize = statBuffer.st_size;
- }
- }
- return retVal;
- }
- //******************************************************************************
- HX_RESULT CHXFileSpecUtils::GetDirectorySize(const CHXDirSpecifier& dirSpec, BOOL shouldDescend, INT64& fSize)
- {
- HX_RESULT retVal = HXR_NOTIMPL;
-
- HX_ASSERT("GetDirectorySize Not written yet" == NULL);
- return retVal;
- }
- //******************************************************************************
- CHXFileSpecifier CHXFileSpecUtils::GetCurrentApplication(void)
- {
- CHXFileSpecifier retSpecifier;
-
- HX_ASSERT("GetCurrentApplication Not written yet" == NULL);
- return retSpecifier;
- }
- //******************************************************************************
- CHXDirSpecifier CHXFileSpecUtils::GetCurrentApplicationDir(void)
- {
- CHXDirSpecifier retSpecifier;
-
- HX_ASSERT("GetCurrentApplicationDir Not written yet" == NULL);
- return retSpecifier;
- }
- //******************************************************************************
- BOOL CHXFileSpecUtils::FileExists(const CHXFileSpecifier& fileSpec)
- {
- HX_RESULT bRetVal = FALSE;
- CSymbIHXDataFile* pDataFile = new CSymbIHXDataFile();
- if (pDataFile)
- {
- struct stat statBuffer;
- pDataFile->AddRef();
- pDataFile->Bind(fileSpec.GetPathName());
- bRetVal = (pDataFile->Stat(&statBuffer) == HXR_OK);
- pDataFile->Close();
- pDataFile->Release();
- }
- return bRetVal;
- }
- //******************************************************************************
- BOOL CHXFileSpecUtils::DirectoryExists(const CHXDirSpecifier& dirSpec)
- {
- BOOL bRetVal = FALSE;
-
- HX_ASSERT("DirectoryExists Not written yet" == NULL);
- return bRetVal;
- }
- //******************************************************************************
- HX_RESULT CHXFileSpecUtils::CreateDir(const CHXDirSpecifier& dirSpec)
- {
- HX_RESULT retVal = HXR_NOTIMPL;
-
- HX_ASSERT("CreateDir Not written yet" == NULL);
- return retVal;
- }
- //******************************************************************************
- static CHXFileSpecifier GetUniqueFileSpecInternal(const CHXDirSpecifier& locationSpec,
- const char *pszNameFirst, const char *pszTemplate,
- const char *pszWildcard, UINT32 nStartNum);
- const UINT32 kNumWrapValue = 9999+1; // limit insertions to 4-digit numbers
- CHXFileSpecifier CHXFileSpecUtils::GetUniqueFileSpec(const CHXDirSpecifier& locationSpec,
- const char *pszNameFirst, const char *pszTemplate,
- const char *pszWildcard)
- {
- return GetUniqueFileSpecInternal(locationSpec, pszNameFirst, pszTemplate, pszWildcard, 0);
- }
- CHXFileSpecifier CHXFileSpecUtils::GetUniqueTempFileSpec(const CHXDirSpecifier& locationSpec,
- const char *pszTemplate, const char *pszWildcard)
- {
- CMultiplePrimeRandom rand(HX_GET_TICKCOUNT());
-
- UINT32 num;
-
- num = rand.GetRandomNumber();
-
- num %= kNumWrapValue;
-
- if (num == 0 || num == 1) num = 2;
-
- return GetUniqueFileSpecInternal(locationSpec, NULL, pszTemplate, pszWildcard, num);
- }
- static CHXFileSpecifier GetUniqueFileSpecInternal(const CHXDirSpecifier& locationSpec,
- const char *pszNameFirst, const char *pszTemplate,
- const char *pszWildcard, UINT32 nStartNum)
- {
- CHXFileSpecifier resultFileSpec;
-
- require_return(locationSpec.IsSet(), resultFileSpec);
- require_return(pszTemplate != NULL && pszWildcard != NULL, resultFileSpec);
- require_return(pszNameFirst != NULL || nStartNum != 0, resultFileSpec);
-
- CHXFileSpecifier testFileSpec;
- CHXDirSpecifier testDirSpec;
- CHXString strNumber;
- CHXString strName;
- UINT32 nCurrentNum;
-
- nCurrentNum = nStartNum;
-
- while (1)
- {
- // if the number is non-zero, make a string from the template;
- // if the number is zero, user the initial name string
- if (nCurrentNum == 0)
- {
- // replace the wildcard in the template with the number string
- strName = pszNameFirst;
- }
- else
- {
- // replace the wildcard in the template with the number string
- strNumber.Empty();
- strNumber.AppendULONG(nCurrentNum);
-
- strName = pszTemplate;
- strName.FindAndReplace(pszWildcard, strNumber); // replace first wildcard with number string
- }
-
-
- // test if a file or directory exists with that name
- testFileSpec = locationSpec.SpecifyChildFile(strName);
- testDirSpec = locationSpec.SpecifyChildDirectory(strName);
- if (CHXFileSpecUtils::FileExists(testFileSpec)
- || CHXFileSpecUtils::DirectoryExists(testDirSpec))
- {
- // an item already has that name, so increment & wrap the number
- nCurrentNum++;
- nCurrentNum %= kNumWrapValue;
-
- // don't use 0 again, and skip 1 since "MyFile2.txt" logically follows "MyFile.txt"
- if (nCurrentNum == 0 || nCurrentNum == 1)
- {
- nCurrentNum = 2;
- }
-
- // a quick sanity check
- if (nCurrentNum == nStartNum)
- {
- check(!"GetUniqueFileSpecInternal number wrapped");
- break;
- }
- }
- else
- {
- // the name is unique
- resultFileSpec = testFileSpec;
- break;
- }
-
- } // while
-
- return resultFileSpec;
- }
- //******************************************************************************
- CHXDirSpecifier CHXFileSpecUtils::GetSystemTempDirectory()
- {
- CHXDirSpecifier retSpecifier;
-
- HX_ASSERT("GetSystemTempDirectory Not written yet" == NULL);
- return retSpecifier;
- }
- BOOL CHXFileSpecUtils::MakeNameLegal(char *pszName)
- {
- BOOL bRetVal = FALSE;
-
- HX_ASSERT("MakeNameLegal Not written yet" == NULL);
- return bRetVal;
- }
- //******************************************************************************
- CHXDirSpecifier
- CHXFileSpecUtils::GetAppDataDir(const char* szAppName)
- {
- CHXDirSpecifier retSpecifier;
-
- HX_ASSERT("GetAppDataDir Not written yet" == NULL);
- return retSpecifier;
- }