initial importHEADmain

1 files changed, 314 insertions, 0 deletions

diff --git a/tool_src/BspLib/SystemIO.cpp b/tool_src/BspLib/SystemIO.cpp
new file mode 100644
index 0000000..f5e1be6
--- /dev/null
+++ b/tool_src/BspLib/SystemIO.cpp
@@ -0,0 +1,314 @@
+//-----------------------------------------------------------------------------
+//	BSPLIB MODULE: SystemIO.cpp
+//
+//  Copyright (c) 1997-1998 by Markus Hadwiger
+//  All Rights Reserved.
+//-----------------------------------------------------------------------------
+
+// bsplib header files
+#include "SystemIO.h"
+
+
+BSPLIB_NAMESPACE_BEGIN
+
+
+// define bsplib version string -----------------------------------------------
+//
+#define BSPLIB_VERSION		"1.48"
+
+
+// set program's name which is an optional part of error messages -------------
+//
+void SystemIO::SetProgramName( const char *name )
+{
+	program_name = name;
+}
+
+
+// set callback for info message output function ------------------------------
+//
+void SystemIO::SetInfoMessageCallback( void (*callb)(const char*) )
+{
+	infomessage_callback = callb;
+}
+
+
+// set callback for error message output function -----------------------------
+//
+void SystemIO::SetErrorMessageCallback( void (*callb)(const char*) )
+{
+	errormessage_callback = callb;
+}
+
+
+// set callback for critical error handler ------------------------------------
+//
+void SystemIO::SetCriticalErrorCallback( int (*callb)(int) )
+{
+	criticalerror_callback = callb;
+}
+
+
+// display informational message (system dependent code encapsulated here) ----
+//
+void SystemIO::InfoMessage( const char *message )
+{
+	if ( infomessage_callback != NULL ) {
+		// call user supplied handler function
+		infomessage_callback( message );
+
+	} else {
+
+#if defined( _WINDOWS ) || defined( WIN32 )
+		MessageBox( hwnd_main, message, "BspLib Info", MB_OK | MB_ICONINFORMATION );
+#else
+		printf( "%s", message );
+		fflush( stdout );
+#endif
+
+	}
+}
+
+
+// display error message (system dependent code encapsulated here) ------------
+//
+void SystemIO::ErrorMessage( const char *message )
+{
+	if ( errormessage_callback != NULL ) {
+		// call user supplied handler function
+		errormessage_callback( message );
+
+	} else {
+
+#if defined( _WINDOWS ) || defined( WIN32 )
+		MessageBox( hwnd_main, message, "BspLib Error", MB_OK | MB_ICONERROR );
+#else
+		fflush( stdout );
+		fprintf( stderr, "%s: %s\n", program_name, message );
+		fflush( stderr );
+#endif
+
+	}
+}
+
+
+// reaction to critical error -------------------------------------------------
+//
+void SystemIO::HandleCriticalError( int flags )
+{
+	int handled = 0;
+	if ( criticalerror_callback != NULL ) {
+		// give user a chance to handle critical error
+		handled = criticalerror_callback( flags );
+	}
+	// if user failed to handle error exit from program
+	if ( !handled || ( ( flags & CRITERR_ALLOW_RET ) == 0 ) )
+		exit( EXIT_FAILURE );
+}
+
+
+// open file via FileAccess (resource acquisition is initialization) ----------
+//
+SystemIO::FileAccess::FileAccess( const char *fname, const char *mode, int flags )
+	: SystemIO::FilePtr( fname, mode )
+{
+	filename = new char[ strlen( fname ) + 1 ];
+	strcpy( filename, fname );
+
+	status = ( fp != NULL ) ? SYSTEM_IO_OK : FILE_NOT_FOUND;
+
+	if ( ( flags & CHECK_ERRORS ) && ( status != SYSTEM_IO_OK ) )
+		IOError( status );
+}
+
+
+// close FileAccess (resource acquisition is initialization) ------------------
+//
+SystemIO::FileAccess::~FileAccess()
+{
+	delete filename;
+}
+
+
+// reopen file ----------------------------------------------------------------
+//
+int SystemIO::FileAccess::ReOpen( const char *fname, const char *mode, int flags )
+{
+	if ( status == FILE_CLOSED ) {
+		status = ( fopen( fname, mode ) != NULL ) ? SYSTEM_IO_OK : FILE_NOT_FOUND;
+
+		if ( ( flags & CHECK_ERRORS ) && ( status != SYSTEM_IO_OK ) )
+			IOError( status );
+		return status;
+	} else {
+		return FILE_ALREADY_OPEN;
+	}
+}
+
+
+// close file -----------------------------------------------------------------
+//
+int SystemIO::FileAccess::Close()
+{
+	status = ( fclose( fp ) == 0 ) ? FILE_CLOSED : SYSTEM_IO_ERROR;
+	return ( status == FILE_CLOSED );
+}
+
+
+// read from file -------------------------------------------------------------
+//
+int SystemIO::FileAccess::Read( void *buffer, size_t size, size_t count, int flags )
+{
+	if ( status == SYSTEM_IO_OK ) {
+		if ( fread( buffer, size, count, fp ) == count )
+			status = SYSTEM_IO_OK;
+		else
+			status = feof( fp ) ? END_OF_FILE : FILE_READ_ERROR;
+
+		if ( ( flags & CHECK_ERRORS ) && ( status != SYSTEM_IO_OK ) )
+			IOError( status );
+	} else {
+		if ( flags & CHECK_ERRORS ) IOError( status );
+	}
+
+	return status;
+}
+
+
+// write to file --------------------------------------------------------------
+//
+int SystemIO::FileAccess::Write( void *buffer, size_t size, size_t count, int flags )
+{
+	if ( status == SYSTEM_IO_OK ) {
+		status = ( fwrite( buffer, size, count, fp ) == count ) ? SYSTEM_IO_OK : FILE_WRITE_ERROR;
+
+		if ( ( flags & CHECK_ERRORS ) && ( status != SYSTEM_IO_OK ) )
+			IOError( status );
+	} else {
+		if ( flags & CHECK_ERRORS ) IOError( status );
+	}
+
+	return status;
+}
+
+
+// read text line from file ---------------------------------------------------
+//
+char *SystemIO::FileAccess::ReadLine( char *line, int maxlen, int flags )
+{
+	if ( status == SYSTEM_IO_OK ) {
+		if ( fgets( line, maxlen, fp ) != NULL )
+			status = SYSTEM_IO_OK;
+		else
+			status = feof( fp ) ? END_OF_FILE : FILE_READ_ERROR;
+
+		if ( ( flags & CHECK_ERRORS ) && ( status != SYSTEM_IO_OK ) )
+			IOError( status );
+		return ( status == SYSTEM_IO_OK ) ? line : NULL;
+	} else {
+		if ( flags & CHECK_ERRORS ) IOError( status );
+		return NULL;
+	}
+}
+
+
+// write text line to file ----------------------------------------------------
+//
+const char *SystemIO::FileAccess::WriteLine( const char *line, int flags )
+{
+	if ( status == SYSTEM_IO_OK ) {
+		status = ( fprintf( fp, "%s", line ) != -1 ) ? SYSTEM_IO_OK : FILE_WRITE_ERROR;
+
+		if ( ( flags & CHECK_ERRORS ) && ( status != SYSTEM_IO_OK ) )
+			IOError( status );
+		return ( status == SYSTEM_IO_OK ) ? line : NULL;
+	} else {
+		if ( flags & CHECK_ERRORS ) IOError( status );
+		return NULL;
+	}
+}
+
+
+// I/O error handler ----------------------------------------------------------
+//
+void SystemIO::FileAccess::IOError( int errorcode )
+{
+	{
+	StrScratch errtext;
+	sprintf( errtext, "%s: %s", filename, strerror( errno ) );
+	ErrorMessage( errtext );
+	}
+	HandleCriticalError();
+}
+
+
+// construct String with init string ------------------------------------------
+//
+String::String( const char *src )
+{
+	if ( src != NULL ) {
+		data = new char[ strlen( src ) + 1 ];
+		strcpy( data, src );
+	} else {
+		data = NULL;
+	}
+}
+
+
+// copy constructor for String ------------------------------------------------
+//
+String::String( const String& copyobj )
+{
+	if ( copyobj.data != NULL ) {
+		data = new char[ strlen( copyobj.data ) + 1 ];
+		strcpy( data, copyobj.data );
+	} else {
+		data = NULL;
+	}
+}
+
+
+// assignment operator for String ---------------------------------------------
+//
+String& String::operator =( const String& copyobj )
+{
+	if ( &copyobj != this ) {
+		delete data;
+		if ( copyobj.data != NULL ) {
+			data = new char[ strlen( copyobj.data ) + 1 ];
+			strcpy( data, copyobj.data );
+		} else {
+			data = NULL;
+		}
+	}
+	return *this;
+}
+
+
+// pointer to global string containing the program's name ---------------------
+//
+const char *SystemIO::program_name				= NULL;
+
+
+// pointers to user supplied callback functions -------------------------------
+//
+void (*SystemIO::infomessage_callback)(const char*)	= NULL;
+void (*SystemIO::errormessage_callback)(const char*)	= NULL;
+int  (*SystemIO::criticalerror_callback)(int)	= NULL;
+
+
+// handle of main window (used only when system is Win32) ---------------------
+//
+#if defined( _WINDOWS ) || defined( WIN32 )
+HWND SystemIO::hwnd_main						= NULL;
+#endif
+
+
+// bsplib version string ------------------------------------------------------
+//
+const char SystemIO::version_str[]				= BSPLIB_VERSION;
+
+
+BSPLIB_NAMESPACE_END
+
+//-----------------------------------------------------------------------------