cchx2ihxdataf.cpp
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- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: cchx2ihxdataf.cpp,v 1.4.42.3 2004/07/09 01:44:51 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 ***** */
- /****************************************************************************
- * Includes
- */
- #include "hlxclib/string.h"
- #include "hlxclib/fcntl.h"
- #include "hlxclib/sys/stat.h"
- #include "hxbuffer.h"
- #include "hxassert.h"
- #include "chxdataf.h"
- #include "cchx2ihxdataf.h"
- /****************************************************************************
- * CCHX2IHXDataFile
- */
- /****************************************************************************
- * Constructor/Destructor
- */
- CCHX2IHXDataFile::CCHX2IHXDataFile(IHXDataFile* pIHXFile,
- void* pUserData,
- TemporaryFileNameFnPtr fpTempFileName,
- FastReadFnPtr fpFastRead,
- FastReadFnPtr fpFastWrite,
- FileDeleteFnPtr fpFileDelete)
- : m_pIHXFile(pIHXFile)
- , m_pUserData(pUserData)
- , m_fpFileDelete(fpFileDelete)
- , m_fpTempFileName(fpTempFileName)
- , m_fpFastRead(fpFastRead)
- , m_fpFastWrite(fpFastWrite)
- {
- if (m_pIHXFile)
- {
- m_pIHXFile->AddRef();
- }
- }
- CCHX2IHXDataFile::~CCHX2IHXDataFile(void)
- {
- HX_RELEASE(m_pIHXFile);
- }
- /****************************************************************************
- * CHXDataFile methods
- */
- HX_RESULT CCHX2IHXDataFile::GetLastError(void)
- {
- HX_RESULT retVal = HXR_OK;
- if (m_pIHXFile)
- {
- retVal = m_pIHXFile->GetLastError();
- }
- return retVal;
- }
- BOOL CCHX2IHXDataFile::GetTemporaryFileName(const char *tag, char* name, UINT32 ulBufLen)
- {
- BOOL bRetVal = FALSE;
- if (m_fpTempFileName)
- {
- bRetVal = (*m_fpTempFileName)(m_pUserData, tag, name, ulBufLen);
- }
- return bRetVal;
- }
- HX_RESULT CCHX2IHXDataFile::Create(const char *filename, UINT16 mode, BOOL textflag)
- {
- HX_RESULT retVal = HXR_FAIL;
- if (m_pIHXFile)
- {
- m_pIHXFile->Bind(filename);
- retVal = m_pIHXFile->Create(TranslateMode(mode, textflag));
- }
- return retVal;
- }
- HX_RESULT CCHX2IHXDataFile::Open(const char *filename, UINT16 mode, BOOL textflag)
- {
- HX_RESULT retVal = HXR_FAIL;
- if (m_pIHXFile)
- {
- m_pIHXFile->Bind(filename);
- retVal = m_pIHXFile->Open(TranslateMode(mode, textflag));
- }
- return retVal;
- }
- HX_RESULT CCHX2IHXDataFile::Close(void)
- {
- HX_RESULT retVal = HXR_FAIL;
- if (m_pIHXFile)
- {
- retVal = m_pIHXFile->Close();
- }
- return retVal;
- }
- ULONG32 CCHX2IHXDataFile::GetSize(void)
- {
- ULONG32 ulSize = 0;
- if (m_pIHXFile)
- {
- struct stat statBuffer;
- if (m_pIHXFile->IsOpen())
- {
- ULONG32 ulCurrPos = m_pIHXFile->Tell();
- ulSize = m_pIHXFile->Seek(0, SEEK_END);
- m_pIHXFile->Seek(ulCurrPos, SEEK_SET);
- }
- else if (m_pIHXFile->Stat(&statBuffer) == HXR_OK)
- {
- ulSize = statBuffer.st_size;
- }
- }
- return ulSize;
- }
- HX_RESULT CCHX2IHXDataFile::Seek(ULONG32 offset, UINT16 fromWhere)
- {
- HX_RESULT retVal = HXR_FAIL;
- if (m_pIHXFile)
- {
- retVal = m_pIHXFile->Seek(offset, fromWhere);
- }
- return retVal;
- }
- ULONG32 CCHX2IHXDataFile::Tell(void)
- {
- ULONG32 ulPos = 0;
- if (m_pIHXFile)
- {
- ulPos = m_pIHXFile->Tell();
- }
- return ulPos;
- }
- ULONG32 CCHX2IHXDataFile::Read(char* buf, ULONG32 count)
- {
- ULONG32 ulBytesRead = 0;
- if (m_pIHXFile)
- {
- if (m_fpFastRead)
- {
- ulBytesRead = m_fpFastRead(m_pUserData, buf, count);
- }
- else
- {
- IHXBuffer* pBuffer = NULL;
- ulBytesRead = m_pIHXFile->Read(pBuffer, count);
- if (ulBytesRead != 0)
- {
- if (ulBytesRead <= count)
- {
- memcpy(buf, pBuffer->GetBuffer(), count); /* Flawfinder: ignore */
- }
- else
- {
- ulBytesRead = 0;
- }
- }
- HX_RELEASE(pBuffer);
- }
- }
- return ulBytesRead;
- }
- HX_RESULT CCHX2IHXDataFile::ReadToBuffer(ULONG32 ulCount, IHXBuffer** ppbufOut)
- {
- HX_RESULT retVal = HXR_FAIL;
- if (m_pIHXFile)
- {
- UINT32 ulRead = m_pIHXFile->Read(*ppbufOut, ulCount);
- if ((ulRead == ulCount) || ((ulRead != 0) && (ulRead < ulCount)))
- {
- retVal = HXR_OK;
- }
- }
- return retVal;
- }
- ULONG32 CCHX2IHXDataFile::Write(const char* buf, ULONG32 count)
- {
- ULONG32 ulBytesWritten = 0;
- if (m_pIHXFile)
- {
- if (m_fpFastWrite)
- {
- ulBytesWritten = m_fpFastWrite(m_pUserData, buf, count);
- }
- else
- {
- IHXBuffer* pBuffer = new CHXBuffer();
- if (pBuffer)
- {
- pBuffer->AddRef();
- if ((count != 0) && (pBuffer->SetSize(count) == HXR_OK))
- {
- memcpy(pBuffer->GetBuffer(), buf, count); /* Flawfinder: ignore */
- ulBytesWritten = m_pIHXFile->Write(pBuffer);
- }
- pBuffer->Release();
- }
- }
- }
- return ulBytesWritten;
- }
- HX_RESULT CCHX2IHXDataFile::Rewind(void)
- {
- HX_RESULT retVal = HXR_FAIL;
- if (m_pIHXFile)
- {
- retVal = m_pIHXFile->Seek(0, SEEK_SET);
- }
- return retVal;
- }
- INT16 CCHX2IHXDataFile::GetFd(void)
- {
- INT16 iFd = -1;
- if (m_pIHXFile)
- {
- iFd = m_pIHXFile->GetFd();
- }
- return iFd;
- }
- HX_RESULT CCHX2IHXDataFile::Delete(const char *filename)
- {
- HX_RESULT retVal = HXR_FAIL;
- if (m_pIHXFile)
- {
- if (m_pIHXFile->IsOpen())
- {
- IHXBuffer* pNameBuffer = NULL;
- if (m_pIHXFile->Name(pNameBuffer) && pNameBuffer)
- {
- if (strcmp(filename, (const char*) pNameBuffer->GetBuffer()))
- {
- retVal = m_pIHXFile->Delete();
- }
- else
- {
- if (m_fpFileDelete)
- {
- retVal = m_fpFileDelete(m_pUserData, filename);
- }
- else
- {
- m_pIHXFile->Bind(filename);
- retVal = m_pIHXFile->Delete();
- }
- }
- pNameBuffer->Release();
- }
- }
- else
- {
- m_pIHXFile->Bind(filename);
- retVal = m_pIHXFile->Delete();
- }
- }
- return retVal;
- }
- /************************************************************************
- * Private methods
- */
- UINT16 CCHX2IHXDataFile::TranslateMode(UINT16 uOpenMode, BOOL bTextFlag)
- {
- UINT16 uMode = 0;
-
- if (uOpenMode & O_RDWR)
- {
- uMode |= (HX_FILEFLAG_READ | HX_FILEFLAG_WRITE);
- }
- else if (uOpenMode & O_RDONLY)
- {
- uMode |= HX_FILEFLAG_READ;
- }
- else if (uOpenMode & O_WRONLY)
- {
- uMode |= HX_FILEFLAG_WRITE;
- }
- if ((uOpenMode & O_BINARY) && (!bTextFlag))
- {
- uMode |= HX_FILEFLAG_BINARY;
- }
- return uMode;
- }