本文整理汇总了C++中IF_FileSystem::createFile方法的典型用法代码示例。如果您正苦于以下问题：C++ IF_FileSystem::createFile方法的具体用法？C++ IF_FileSystem::createFile怎么用？C++ IF_FileSystem::createFile使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类IF_FileSystem的用法示例。
在下文中一共展示了IF_FileSystem::createFile方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: write
/****************************************************************************
Desc: Copies the data stored in the INI_LINE structs to the ini file
****************************************************************************/
RCODE FTKAPI F_IniFile::write( void)
{
RCODE rc = NE_FLM_OK;
FLMUINT uiBytesWritten;
INI_LINE * pCurLine = NULL;
FLMUINT uiFileOffset = 0;
IF_FileSystem * pFileSystem = f_getFileSysPtr();
f_assert( m_bReady);
if (!m_bModified)
{
// Nothing needs to be written
goto Exit;
}
// Open the file
f_assert( !m_pFileHdl);
if (RC_BAD( rc = pFileSystem->createFile( m_pszFileName,
FLM_IO_RDWR, &m_pFileHdl)))
{
goto Exit;
}
pCurLine = m_pFirstLine;
while (pCurLine)
{
if (pCurLine->pszParamName)
{
// Output the param name
if (RC_BAD (rc = m_pFileHdl->write( uiFileOffset,
f_strlen( pCurLine->pszParamName), pCurLine->pszParamName,
&uiBytesWritten)))
{
goto Exit;
}
uiFileOffset += uiBytesWritten;
if (pCurLine->pszParamValue)
{
// Output the "=" and the value
if (RC_BAD (rc = m_pFileHdl->write( uiFileOffset, 1,
(void *)"=", &uiBytesWritten)))
{
goto Exit;
}
uiFileOffset += uiBytesWritten;
if (RC_BAD (rc = m_pFileHdl->write( uiFileOffset,
f_strlen( pCurLine->pszParamValue), pCurLine->pszParamValue,
&uiBytesWritten)))
{
goto Exit;
}
uiFileOffset += uiBytesWritten;
}
}
if (pCurLine->pszComment)
{
// Output the comment
if (pCurLine->pszParamName)
{
if (RC_BAD (rc = m_pFileHdl->write( uiFileOffset, 2,
(void *)" #", &uiBytesWritten)))
{
goto Exit;
}
}
else
{
if (RC_BAD (rc = m_pFileHdl->write( uiFileOffset, 1,
(void *)"#", &uiBytesWritten)))
{
goto Exit;
}
}
uiFileOffset += uiBytesWritten;
if (RC_BAD (rc = m_pFileHdl->write( uiFileOffset,
f_strlen( pCurLine->pszComment), pCurLine->pszComment,
&uiBytesWritten)))
{
goto Exit;
}
uiFileOffset += uiBytesWritten;
//.........这里部分代码省略.........
示例2: dumpToFile
/****************************************************************************
Desc:
*****************************************************************************/
RCODE F_DynamicList::dumpToFile()
{
RCODE rc = NE_FLM_OK;
DLIST_NODE * pTmp;
FLMUINT uiLoop;
IF_FileHdl * pFileHdl = NULL;
#define DLST_RESP_SIZE 256
char szResponse[ DLST_RESP_SIZE];
FLMUINT uiTermChar;
FTX_SCREEN * pScreen;
IF_FileSystem * pFileSystem = NULL;
if( RC_BAD( rc = FlmGetFileSystem( &pFileSystem)))
{
goto Exit;
}
f_strcpy( szResponse, (const char *)DLIST_DUMPFILE_PATH);
FTXWinGetScreen( m_pListWin, &pScreen);
FTXGetInput(
pScreen,
"enter filename to dump to",
szResponse,
DLST_RESP_SIZE-1,
&uiTermChar);
if ( uiTermChar != FKB_ENTER)
{
goto Exit;
}
if (RC_BAD( rc = pFileSystem->doesFileExist( szResponse)))
{
//create file if it doesn't already exist
if ( rc == NE_FLM_IO_PATH_NOT_FOUND)
{
rc = pFileSystem->createFile( szResponse, FLM_IO_RDWR, &pFileHdl);
}
else
{
goto Exit_local;
}
}
else
{
rc = pFileSystem->openFile( szResponse, FLM_IO_RDWR, &pFileHdl);
}
TEST_RC_LOCAL( rc);
{
FLMUINT64 ui64FileSize = 0;
FLMUINT uiBytesWritten = 0;
//figure out size of file currently, so you can append to it
pFileHdl->size( &ui64FileSize);
pTmp = m_pFirst;
uiLoop = 0;
while( pTmp)
{
FLMBYTE * pszNextLine = (FLMBYTE*)(pTmp->pvData);
TEST_RC_LOCAL( rc = pFileHdl->write(
ui64FileSize, //offset to current file size
f_strlen( (const char *)pszNextLine),
pszNextLine,
&uiBytesWritten));
ui64FileSize += uiBytesWritten;
TEST_RC_LOCAL( rc = pFileHdl->write(
ui64FileSize, //add in newline
1,
(FLMBYTE*)"\n",
&uiBytesWritten));
ui64FileSize += uiBytesWritten;
pTmp = pTmp->pNext;
}
(void)pFileHdl->closeFile();
}
Exit_local:
{//give success/fail message
char szMessage[ 256];
FLMUINT uiChar;
FTXWinGetScreen( m_pListWin, &pScreen);
if ( RC_OK( rc))
{
f_sprintf( szMessage,
//.........这里部分代码省略.........
示例3: getFileHdl
/****************************************************************************
Desc: Returns the requested file handle
****************************************************************************/
RCODE F_MultiFileHdl::getFileHdl(
FLMUINT uiFileNum,
FLMBOOL bGetForWrite,
IF_FileHdl ** ppFileHdl)
{
RCODE rc = NE_FLM_OK;
IF_FileSystem * pFileSystem = f_getFileSysPtr();
FLMUINT uiSlot;
IF_FileHdl * pTmpHdl;
char szPath[ F_PATH_MAX_SIZE];
f_assert( m_bOpen);
*ppFileHdl = NULL;
uiSlot = uiFileNum % F_MULTI_FHDL_LIST_SIZE;
pTmpHdl = m_pFileHdlList[ uiSlot].pFileHdl;
if( pTmpHdl && m_pFileHdlList[ uiSlot].uiFileNum != uiFileNum)
{
if( RC_BAD( rc = pTmpHdl->flush()))
{
goto Exit;
}
pTmpHdl->closeFile();
pTmpHdl->Release();
pTmpHdl = NULL;
f_memset( &m_pFileHdlList[ uiSlot], 0, sizeof( FH_INFO));
}
if( !pTmpHdl)
{
dataFilePath( uiFileNum, szPath);
if( RC_BAD( rc = pFileSystem->openFile( szPath,
FLM_IO_RDWR, &pTmpHdl)))
{
if( rc == NE_FLM_IO_PATH_NOT_FOUND && bGetForWrite)
{
if( RC_BAD( rc = pFileSystem->createFile( szPath,
FLM_IO_RDWR, &pTmpHdl)))
{
goto Exit;
}
}
else
{
goto Exit;
}
}
m_pFileHdlList[ uiSlot].pFileHdl = pTmpHdl;
m_pFileHdlList[ uiSlot].uiFileNum = uiFileNum;
f_assert( !m_pFileHdlList[ uiSlot].bDirty);
}
*ppFileHdl = m_pFileHdlList[ uiSlot].pFileHdl;
if( bGetForWrite)
{
m_pFileHdlList[ uiSlot].bDirty = TRUE;
}
Exit:
return( rc);
}