bool ExecuteIfCommandComplete(
void *theEnv)
{
if ((CompleteCommand(CommandLineData(theEnv)->CommandString) == 0) ||
(RouterData(theEnv)->CommandBufferInputCount == 0) ||
(RouterData(theEnv)->AwaitingInput == false))
{ return false; }
if (CommandLineData(theEnv)->BeforeCommandExecutionFunction != NULL)
{
if (! (*CommandLineData(theEnv)->BeforeCommandExecutionFunction)(theEnv))
{ return false; }
}
FlushPPBuffer(theEnv);
SetPPBufferStatus(theEnv,false);
RouterData(theEnv)->CommandBufferInputCount = 0;
RouterData(theEnv)->AwaitingInput = false;
RouteCommand(theEnv,CommandLineData(theEnv)->CommandString,true);
FlushPPBuffer(theEnv);
FlushParsingMessages(theEnv);
EnvSetHaltExecution(theEnv,false);
EnvSetEvaluationError(theEnv,false);
FlushCommandString(theEnv);
CleanCurrentGarbageFrame(theEnv,NULL);
CallPeriodicTasks(theEnv);
PrintPrompt(theEnv);
return true;
}
void CommandLoop(
void *theEnv)
{
int inchar;
EnvPrintRouter(theEnv,WPROMPT,CommandLineData(theEnv)->BannerString);
EnvSetHaltExecution(theEnv,false);
EnvSetEvaluationError(theEnv,false);
CleanCurrentGarbageFrame(theEnv,NULL);
CallPeriodicTasks(theEnv);
PrintPrompt(theEnv);
RouterData(theEnv)->CommandBufferInputCount = 0;
RouterData(theEnv)->AwaitingInput = true;
while (true)
{
/*===================================================*/
/* If a batch file is active, grab the command input */
/* directly from the batch file, otherwise call the */
/* event function. */
/*===================================================*/
if (BatchActive(theEnv) == true)
{
inchar = LLGetcBatch(theEnv,STDIN,true);
if (inchar == EOF)
{ (*CommandLineData(theEnv)->EventFunction)(theEnv); }
else
{ ExpandCommandString(theEnv,(char) inchar); }
}
else
{ (*CommandLineData(theEnv)->EventFunction)(theEnv); }
/*=================================================*/
/* If execution was halted, then remove everything */
/* from the command buffer. */
/*=================================================*/
if (EnvGetHaltExecution(theEnv) == true)
{
EnvSetHaltExecution(theEnv,false);
EnvSetEvaluationError(theEnv,false);
FlushCommandString(theEnv);
#if ! WINDOW_INTERFACE
fflush(stdin);
#endif
EnvPrintRouter(theEnv,WPROMPT,"\n");
PrintPrompt(theEnv);
}
/*=========================================*/
/* If a complete command is in the command */
/* buffer, then execute it. */
/*=========================================*/
ExecuteIfCommandComplete(theEnv);
}
}
void ClearDialogWnd ( void )
{ extern int OldLine;
extern SCREEN WinDialog;
/*-----------------------------------------+
| Free all data associated with the screen |
+-----------------------------------------*/
FreeTerminalText();
/*-----------------------------+
| Information about the Screen |
+-----------------------------*/
WinDialog.LastLine = 0;
OldLine = 0;
/*-------------------+
| Update Scroll Bars |
+-------------------*/
SetScrollRange ( WinDialog.hWnd, SB_VERT, WinDialog.NoLines-1, WinDialog.NoLines, FALSE);
SetScrollPos ( WinDialog.hWnd, SB_VERT, WinDialog.NoLines, TRUE);
SetScrollRange ( WinDialog.hWnd, SB_HORZ, 0, 1, FALSE);
SetScrollPos ( WinDialog.hWnd, SB_HORZ, 0, TRUE);
InvalidateRect ( WinDialog.hWnd, NULL, TRUE );
FlushCommandString();
}
globle void CommandLoop(
void *theEnv)
{
int inchar;
EnvPrintRouter(theEnv,WPROMPT,CommandLineData(theEnv)->BannerString);
SetHaltExecution(theEnv,FALSE);
SetEvaluationError(theEnv,FALSE);
PeriodicCleanup(theEnv,TRUE,FALSE);
PrintPrompt(theEnv);
RouterData(theEnv)->CommandBufferInputCount = 0;
while (TRUE)
{
/*===================================================*/
/* If a batch file is active, grab the command input */
/* directly from the batch file, otherwise call the */
/* event function. */
/*===================================================*/
if (BatchActive(theEnv) == TRUE)
{
inchar = LLGetcBatch(theEnv,"stdin",TRUE);
if (inchar == EOF)
{ (*CommandLineData(theEnv)->EventFunction)(theEnv); }
else
{ ExpandCommandString(theEnv,(char) inchar); }
}
else
{ (*CommandLineData(theEnv)->EventFunction)(theEnv); }
/*=================================================*/
/* If execution was halted, then remove everything */
/* from the command buffer. */
/*=================================================*/
if (GetHaltExecution(theEnv) == TRUE)
{
SetHaltExecution(theEnv,FALSE);
SetEvaluationError(theEnv,FALSE);
FlushCommandString(theEnv);
#if ! WINDOW_INTERFACE
fflush(stdin);
#endif
EnvPrintRouter(theEnv,WPROMPT,"\n");
PrintPrompt(theEnv);
}
/*=========================================*/
/* If a complete command is in the command */
/* buffer, then execute it. */
/*=========================================*/
ExecuteIfCommandComplete(theEnv);
}
}
void CommandLoopBatchDriver(
void *theEnv)
{
int inchar;
while (true)
{
if (GetHaltCommandLoopBatch(theEnv) == true)
{
CloseAllBatchSources(theEnv);
SetHaltCommandLoopBatch(theEnv,false);
}
/*===================================================*/
/* If a batch file is active, grab the command input */
/* directly from the batch file, otherwise call the */
/* event function. */
/*===================================================*/
if (BatchActive(theEnv) == true)
{
inchar = LLGetcBatch(theEnv,STDIN,true);
if (inchar == EOF)
{ return; }
else
{ ExpandCommandString(theEnv,(char) inchar); }
}
else
{ return; }
/*=================================================*/
/* If execution was halted, then remove everything */
/* from the command buffer. */
/*=================================================*/
if (EnvGetHaltExecution(theEnv) == true)
{
EnvSetHaltExecution(theEnv,false);
EnvSetEvaluationError(theEnv,false);
FlushCommandString(theEnv);
#if ! WINDOW_INTERFACE
fflush(stdin);
#endif
EnvPrintRouter(theEnv,WPROMPT,"\n");
PrintPrompt(theEnv);
}
/*=========================================*/
/* If a complete command is in the command */
/* buffer, then execute it. */
/*=========================================*/
ExecuteIfCommandComplete(theEnv);
}
}
void SetNCommandString(
void *theEnv,
const char *str,
unsigned length)
{
FlushCommandString(theEnv);
CommandLineData(theEnv)->CommandString = (char *)
genrealloc(theEnv,CommandLineData(theEnv)->CommandString,(unsigned) CommandLineData(theEnv)->MaximumCharacters,
(unsigned) CommandLineData(theEnv)->MaximumCharacters + length + 1);
genstrncpy(CommandLineData(theEnv)->CommandString,str,length);
CommandLineData(theEnv)->CommandString[CommandLineData(theEnv)->MaximumCharacters + length] = 0;
CommandLineData(theEnv)->MaximumCharacters += (length + 1);
RouterData(theEnv)->CommandBufferInputCount += (int) length;
}
void SetCommandString(
void *theEnv,
const char *str)
{
size_t length;
FlushCommandString(theEnv);
length = strlen(str);
CommandLineData(theEnv)->CommandString = (char *)
genrealloc(theEnv,CommandLineData(theEnv)->CommandString,(unsigned) CommandLineData(theEnv)->MaximumCharacters,
(unsigned) CommandLineData(theEnv)->MaximumCharacters + length + 1);
genstrcpy(CommandLineData(theEnv)->CommandString,str);
CommandLineData(theEnv)->MaximumCharacters += (length + 1);
RouterData(theEnv)->CommandBufferInputCount += (int) length;
}
globle intBool ExecuteIfCommandComplete(
void *theEnv)
{
if ((CompleteCommand(CommandLineData(theEnv)->CommandString) == 0) ||
(RouterData(theEnv)->CommandBufferInputCount <= 0))
{ return FALSE; }
FlushPPBuffer(theEnv);
SetPPBufferStatus(theEnv,OFF);
RouterData(theEnv)->CommandBufferInputCount = -1;
RouteCommand(theEnv,CommandLineData(theEnv)->CommandString,TRUE);
FlushPPBuffer(theEnv);
SetHaltExecution(theEnv,FALSE);
SetEvaluationError(theEnv,FALSE);
FlushCommandString(theEnv);
FlushBindList(theEnv);
PeriodicCleanup(theEnv,TRUE,FALSE);
PrintPrompt(theEnv);
return TRUE;
}
