bool BatchStar(
Environment *theEnv,
const char *fileName)
{
int inchar;
bool done = false;
FILE *theFile;
char *theString = NULL;
size_t position = 0;
size_t maxChars = 0;
#if (! RUN_TIME) && (! BLOAD_ONLY)
char *oldParsingFileName;
long oldLineCountValue;
#endif
/*======================*/
/* Open the batch file. */
/*======================*/
theFile = GenOpen(theEnv,fileName,"r");
if (theFile == NULL)
{
OpenErrorMessage(theEnv,"batch",fileName);
return false;
}
/*======================================*/
/* Setup for capturing errors/warnings. */
/*======================================*/
#if (! RUN_TIME) && (! BLOAD_ONLY)
oldParsingFileName = CopyString(theEnv,GetParsingFileName(theEnv));
SetParsingFileName(theEnv,fileName);
CreateErrorCaptureRouter(theEnv);
oldLineCountValue = SetLineCount(theEnv,1);
#endif
/*=====================================*/
/* If embedded, clear the error flags. */
/*=====================================*/
if (EvaluationData(theEnv)->CurrentExpression == NULL)
{ ResetErrorFlags(theEnv); }
/*=============================================*/
/* Evaluate commands from the file one by one. */
/*=============================================*/
while (! done)
{
inchar = getc(theFile);
if (inchar == EOF)
{
inchar = '\n';
done = true;
}
theString = ExpandStringWithChar(theEnv,inchar,theString,&position,
&maxChars,maxChars+80);
if (CompleteCommand(theString) != 0)
{
FlushPPBuffer(theEnv);
SetPPBufferStatus(theEnv,false);
RouteCommand(theEnv,theString,false);
FlushPPBuffer(theEnv);
SetHaltExecution(theEnv,false);
SetEvaluationError(theEnv,false);
FlushBindList(theEnv,NULL);
genfree(theEnv,theString,maxChars);
theString = NULL;
maxChars = 0;
position = 0;
#if (! RUN_TIME) && (! BLOAD_ONLY)
FlushParsingMessages(theEnv);
#endif
}
if ((inchar == '\r') || (inchar == '\n'))
{ IncrementLineCount(theEnv); }
}
if (theString != NULL)
{ genfree(theEnv,theString,maxChars); }
/*=======================*/
/* Close the batch file. */
/*=======================*/
GenClose(theEnv,theFile);
/*========================================*/
/* Cleanup for capturing errors/warnings. */
/*========================================*/
#if (! RUN_TIME) && (! BLOAD_ONLY)
FlushParsingMessages(theEnv);
DeleteErrorCaptureRouter(theEnv);
SetLineCount(theEnv,oldLineCountValue);
SetParsingFileName(theEnv,oldParsingFileName);
DeleteString(theEnv,oldParsingFileName);
#endif
return true;
}
globle int EnvGetcRouter(
void *theEnv,
char *logicalName)
{
struct router *currentPtr;
int inchar;
/*===================================================*/
/* If the "fast load" option is being used, then the */
/* logical name is actually a pointer to a file and */
/* getc can be called directly to bypass querying */
/* all of the routers. */
/*===================================================*/
if (((char *) RouterData(theEnv)->FastLoadFilePtr) == logicalName)
{
inchar = getc(RouterData(theEnv)->FastLoadFilePtr);
if ((inchar == '\r') || (inchar == '\n'))
{
if (((char *) RouterData(theEnv)->FastLoadFilePtr) == RouterData(theEnv)->LineCountRouter)
{ IncrementLineCount(theEnv); }
}
if (inchar == '\r') return('\n');
return(inchar);
}
/*===============================================*/
/* If the "fast string get" option is being used */
/* for the specified logical name, then bypass */
/* the router system and extract the character */
/* directly from the fast get string. */
/*===============================================*/
if (RouterData(theEnv)->FastCharGetRouter == logicalName)
{
inchar = (unsigned char) RouterData(theEnv)->FastCharGetString[RouterData(theEnv)->FastCharGetIndex];
RouterData(theEnv)->FastCharGetIndex++;
if (inchar == '\0') return(EOF);
if ((inchar == '\r') || (inchar == '\n'))
{
if (RouterData(theEnv)->FastCharGetRouter == RouterData(theEnv)->LineCountRouter)
{ IncrementLineCount(theEnv); }
}
if (inchar == '\r') return('\n');
return(inchar);
}
/*==============================================*/
/* Search through the list of routers until one */
/* is found that will handle the getc request. */
/*==============================================*/
currentPtr = RouterData(theEnv)->ListOfRouters;
while (currentPtr != NULL)
{
if ((currentPtr->charget != NULL) ? QueryRouter(theEnv,logicalName,currentPtr) : FALSE)
{
if (currentPtr->environmentAware)
{ inchar = (*currentPtr->charget)(theEnv,logicalName); }
else
{ inchar = ((int (*)(char *)) (*currentPtr->charget))(logicalName); }
if ((inchar == '\r') || (inchar == '\n'))
{
if ((RouterData(theEnv)->LineCountRouter != NULL) &&
(strcmp(logicalName,RouterData(theEnv)->LineCountRouter) == 0))
{ IncrementLineCount(theEnv); }
}
if (inchar == '\r') return('\n');
/*
if (inchar != '\b')
{ return(inchar); }
*/
return(inchar);
}
currentPtr = currentPtr->next;
}
/*=====================================================*/
/* The logical name was not recognized by any routers. */
/*=====================================================*/
UnrecognizedRouterMessage(theEnv,logicalName);
return(-1);
}
int LLGetcBatch(
Environment *theEnv,
const char *logicalName,
bool returnOnEOF)
{
int rv = EOF, flag = 1;
/*=================================================*/
/* Get a character until a valid character appears */
/* or no more batch files are left. */
/*=================================================*/
while ((rv == EOF) && (flag == 1))
{
if (FileCommandData(theEnv)->BatchType == FILE_BATCH)
{ rv = getc(FileCommandData(theEnv)->BatchFileSource); }
else
{ rv = ReadRouter(theEnv,FileCommandData(theEnv)->BatchLogicalSource); }
if (rv == EOF)
{
if (FileCommandData(theEnv)->BatchCurrentPosition > 0) WriteString(theEnv,STDOUT,(char *) FileCommandData(theEnv)->BatchBuffer);
flag = RemoveBatch(theEnv);
}
}
/*=========================================================*/
/* If the character retrieved is an end-of-file character, */
/* then there are no batch files with character input */
/* remaining. Remove the batch router. */
/*=========================================================*/
if (rv == EOF)
{
if (FileCommandData(theEnv)->BatchCurrentPosition > 0) WriteString(theEnv,STDOUT,(char *) FileCommandData(theEnv)->BatchBuffer);
DeleteRouter(theEnv,"batch");
RemoveBatch(theEnv);
if (returnOnEOF == true)
{ return (EOF); }
else
{ return ReadRouter(theEnv,logicalName); }
}
/*========================================*/
/* Add the character to the batch buffer. */
/*========================================*/
if (RouterData(theEnv)->InputUngets == 0)
{
FileCommandData(theEnv)->BatchBuffer = ExpandStringWithChar(theEnv,(char) rv,FileCommandData(theEnv)->BatchBuffer,&FileCommandData(theEnv)->BatchCurrentPosition,
&FileCommandData(theEnv)->BatchMaximumPosition,FileCommandData(theEnv)->BatchMaximumPosition+BUFFER_SIZE);
}
/*======================================*/
/* If a carriage return is encountered, */
/* then flush the batch buffer. */
/*======================================*/
if ((char) rv == '\n')
{
WriteString(theEnv,STDOUT,(char *) FileCommandData(theEnv)->BatchBuffer);
FileCommandData(theEnv)->BatchCurrentPosition = 0;
if ((FileCommandData(theEnv)->BatchBuffer != NULL) && (FileCommandData(theEnv)->BatchMaximumPosition > BUFFER_SIZE))
{
rm(theEnv,FileCommandData(theEnv)->BatchBuffer,FileCommandData(theEnv)->BatchMaximumPosition);
FileCommandData(theEnv)->BatchMaximumPosition = 0;
FileCommandData(theEnv)->BatchBuffer = NULL;
}
}
/*=============================*/
/* Increment the line counter. */
/*=============================*/
if (((char) rv == '\r') || ((char) rv == '\n'))
{ IncrementLineCount(theEnv); }
/*=====================================================*/
/* Return the character retrieved from the batch file. */
/*=====================================================*/
return(rv);
}
