353 lines
11 KiB
C++
353 lines
11 KiB
C++
//===========================================================================//
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// Purpose : Method definitions for the TIO_FileHandler class.
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//
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// Public methods include:
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// - TIO_FileHandler_c, ~TIO_FileHandler_c
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// - Open
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// - Close
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// - Read
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// - Write
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// - ApplyPreProcessor
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// - IsValid
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//
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//===========================================================================//
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#include <cstdio>
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#include <cstdarg>
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#include <string>
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using namespace std;
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#include "TC_Typedefs.h"
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#include "TIO_PrintHandler.h"
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#include "TIO_FileHandler.h"
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//===========================================================================//
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// Method : TIO_FileHandler_c
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// Author : Jeff Rudolph
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//---------------------------------------------------------------------------//
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// Version history
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// 05/01/12 jeffr : Original
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//===========================================================================//
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TIO_FileHandler_c::TIO_FileHandler_c(
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void )
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:
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pfileStream_( 0 )
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{
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}
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//===========================================================================//
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TIO_FileHandler_c::TIO_FileHandler_c(
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const string& srFileName,
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TIO_FileOpenMode_t fileOpen,
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const char* pszFileType,
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TIO_PrintMode_t printMode )
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:
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pfileStream_( 0 )
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{
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this->Open( srFileName, fileOpen, pszFileType, printMode );
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}
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//===========================================================================//
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TIO_FileHandler_c::TIO_FileHandler_c(
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const char* pszFileName,
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TIO_FileOpenMode_t fileOpen,
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const char* pszFileType,
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TIO_PrintMode_t printMode )
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:
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pfileStream_( 0 )
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{
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if( pszFileName )
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{
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this->Open( pszFileName, fileOpen, pszFileType, printMode );
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}
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}
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//===========================================================================//
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// Method : ~TIO_FileHandler_c
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// Author : Jeff Rudolph
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//---------------------------------------------------------------------------//
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// Version history
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// 05/01/12 jeffr : Original
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//===========================================================================//
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TIO_FileHandler_c::~TIO_FileHandler_c(
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void )
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{
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this->Close( );
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}
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//===========================================================================//
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// Method : Open
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// Author : Jeff Rudolph
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//---------------------------------------------------------------------------//
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// Version history
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// 05/01/12 jeffr : Original
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// 08/10/12 jeffr : Cleaned up recently added Fatal message handling code
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//===========================================================================//
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bool TIO_FileHandler_c::Open(
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const string& srFileName,
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TIO_FileOpenMode_t fileOpen,
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const char* pszFileType,
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TIO_PrintMode_t printMode )
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{
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bool ok = true;
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TIO_PrintHandler_c& printHandler = TIO_PrintHandler_c::GetInstance( );
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if( this->pfileStream_ )
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{
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this->Close( );
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}
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const char* pszFileOpen = "r";
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switch( fileOpen )
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{
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case TIO_FILE_OPEN_READ: pszFileOpen = "r"; break;
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case TIO_FILE_OPEN_WRITE: pszFileOpen = "w"; break;
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case TIO_FILE_OPEN_APPEND: pszFileOpen = "a"; break;
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case TIO_FILE_OPEN_BINARY_READ: pszFileOpen = "rb"; break;
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case TIO_FILE_OPEN_BINARY_WRITE: pszFileOpen = "wb"; break;
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case TIO_FILE_OPEN_BINARY_APPEND: pszFileOpen = "ab"; break;
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default:
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ok = printHandler.Fatal( "TIO_FileHandler_c::Open - Unknown TIO_FileOpenMode_t\n" );
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break;
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}
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if( ok )
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{
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this->pfileStream_ = stdout;
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if( srFileName != "stdout" )
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{
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this->pfileStream_ = fopen( srFileName.data( ), pszFileOpen );
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}
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if( this->pfileStream_ )
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{
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this->srFileName_ = srFileName;
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}
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else
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{
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if( pszFileType )
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{
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switch( printMode )
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{
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case TIO_PRINT_WARNING:
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printHandler.Warning( "Failed to open %s file '%s' in \"%s\" mode!\n",
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pszFileType,
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TIO_SR_STR( srFileName ),
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pszFileOpen );
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break;
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case TIO_PRINT_ERROR:
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printHandler.Error( "Failed to open %s file '%s' in \"%s\" mode!\n",
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pszFileType,
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TIO_SR_STR( srFileName ),
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pszFileOpen );
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break;
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default:
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ok = printHandler.Fatal( "TIO_FileHandler_c::Open - Unknown TIO_PrintMode_t\n" );
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break;
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}
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}
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}
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}
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if( ok )
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{
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ok = ( this->pfileStream_ ? true : false );
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}
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return( ok );
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}
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//===========================================================================//
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bool TIO_FileHandler_c::Open(
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const char* pszFileName,
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TIO_FileOpenMode_t fileOpen,
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const char* pszFileType,
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TIO_PrintMode_t printMode )
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{
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string srFileName( TIO_PSZ_STR( pszFileName ));
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return( this->Open( srFileName, fileOpen, pszFileType, printMode ));
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}
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//===========================================================================//
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// Method : Close
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// Author : Jeff Rudolph
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//---------------------------------------------------------------------------//
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// Version history
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// 05/01/12 jeffr : Original
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//===========================================================================//
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void TIO_FileHandler_c::Close(
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void )
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{
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if( this->pfileStream_ )
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{
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if( this->pfileStream_ != stdout )
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{
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fclose( this->pfileStream_ );
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}
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this->pfileStream_ = 0;
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}
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}
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//===========================================================================//
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// Method : Read
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// Author : Jeff Rudolph
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//---------------------------------------------------------------------------//
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// Version history
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// 05/01/12 jeffr : Original
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//===========================================================================//
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bool TIO_FileHandler_c::Read(
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char* pszString,
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size_t lenString ) const
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{
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bool ok = false;
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if( this->pfileStream_ && pszString && lenString )
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{
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int lenString_ = static_cast< int >( lenString );
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ok = ( fgets( pszString, lenString_, this->pfileStream_ ) ? true : false );
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}
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return( ok );
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}
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//===========================================================================//
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// Method : Write
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// Author : Jeff Rudolph
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//---------------------------------------------------------------------------//
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// Version history
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// 05/01/12 jeffr : Original
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//===========================================================================//
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bool TIO_FileHandler_c::Write(
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const char* pszString,
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... )
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{
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bool ok = false;
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if( this->pfileStream_ && pszString )
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{
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va_list vaArgs; // Make a variable argument list
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va_start( vaArgs, pszString ); // Initialize variable argument list
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static char szString[TIO_FORMAT_STRING_LEN_MAX];
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vsprintf( szString, pszString, vaArgs );
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ok = ( fputs( szString, this->pfileStream_ ) >= 0 ? true : false );
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va_end( vaArgs ); // Reset variable argument list
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}
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return( ok );
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}
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//===========================================================================//
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// Method : ApplyPreProcessor
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// Author : Jeff Rudolph
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//---------------------------------------------------------------------------//
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// Version history
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// 05/01/12 jeffr : Original
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//===========================================================================//
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bool TIO_FileHandler_c::ApplyPreProcessor(
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void )
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{
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bool ok = true;
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TIO_PrintHandler_c& printHandler = TIO_PrintHandler_c::GetInstance( );
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bool isValidCommand = false;
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#if defined( SUN8 ) || defined( SUN10 ) || defined( LINUX_I686 ) || defined( LINUX_X86_64 )
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TIO_FileHandler_c fileHandler;
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isValidCommand = fileHandler.IsValid( TIO_FILE_CPP_COMMAND, TIO_FILE_OPEN_READ );
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#elif defined( WIN32 ) || defined( _WIN32 )
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isValidCommand = true;
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#endif
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if( isValidCommand )
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{
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const string& srFileName = this->GetFileName( );
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string srLeafName( srFileName );
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size_t slashPos = srFileName.rfind( TIO_FILE_DIR_DELIMITER );
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if( slashPos != string::npos )
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{
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srLeafName = srFileName.substr( slashPos + 1 );
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}
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string srPreProcessedFileName;
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srPreProcessedFileName = ".";
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srPreProcessedFileName += TIO_FILE_DIR_DELIMITER;
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srPreProcessedFileName += TIO_FILE_HIDDEN_PREFIX;
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srPreProcessedFileName += srLeafName;
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string srCommand;
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srCommand += TIO_FILE_CPP_COMMAND;
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srCommand += " ";
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srCommand += TIO_FILE_CPP_OPTIONS;
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srCommand += " ";
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srCommand += srFileName;
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srCommand += " > ";
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srCommand += srPreProcessedFileName;
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int rc = system( srCommand.data( ));
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if( rc == 0 )
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{
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ok = this->Open( srPreProcessedFileName,
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TIO_FILE_OPEN_READ,
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"preprocessed file" );
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}
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else if( rc > 0 )
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{
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printHandler.Error( "Failed to complete %s preprocessor command.\n",
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TIO_PSZ_STR( TIO_FILE_CPP_COMMAND ));
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ok = false;
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}
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else if( rc < 0 )
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{
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printHandler.Error( "Failed to execute %s preprocessor command.\n",
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TIO_PSZ_STR( TIO_FILE_CPP_COMMAND ));
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ok = false;
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}
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}
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else
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{
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const string& srFileName = this->GetFileName( );
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ok = printHandler.Warning( "Failed to find macro preprocessor command \"%s\".\n"
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"%sAny macro directives in file '%s' will be ignored.\n",
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TIO_PSZ_STR( TIO_FILE_CPP_COMMAND ),
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TIO_PREFIX_WARNING_SPACE,
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TIO_SR_STR( srFileName ));
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}
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return( ok );
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}
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//===========================================================================//
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// Method : IsValid
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// Author : Jeff Rudolph
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//---------------------------------------------------------------------------//
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// Version history
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// 05/01/12 jeffr : Original
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//===========================================================================//
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bool TIO_FileHandler_c::IsValid(
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const string& srFileName,
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TIO_FileOpenMode_t fileOpen,
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const char* pszFileType,
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TIO_PrintMode_t printMode ) const
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{
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TIO_FileHandler_c fileHandler( srFileName, fileOpen, pszFileType, printMode );
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return( fileHandler.IsValid( ));
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}
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//===========================================================================//
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bool TIO_FileHandler_c::IsValid(
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const char* pszFileName,
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TIO_FileOpenMode_t fileOpen,
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const char* pszFileType,
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TIO_PrintMode_t printMode ) const
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{
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string srFileName( TIO_PSZ_STR( pszFileName ));
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return( this->IsValid( srFileName, fileOpen, pszFileType, printMode ));
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}
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//===========================================================================//
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bool TIO_FileHandler_c::IsValid(
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void ) const
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{
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return( this->pfileStream_ ? true : false );
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}
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