bool KPrinterImpl::printFiles(KPrinter *p, const TQStringList& f, bool flag)
{
TQString cmd;
if (p->option("kde-isspecial") == "1")
{
if (p->option("kde-special-command").isEmpty() && p->outputToFile())
{
KURL url( p->outputFileName() );
if ( !url.isLocalFile() )
{
cmd = ( flag ? "mv" : "cp" ) + ( " %in $out{" + p->outputFileName() + "}" );
}
else
{
if (f.count() > 1)
{
p->setErrorMessage(i18n("Cannot copy multiple files into one file."));
return false;
}
else
{
TDEProcess proc;
proc << (flag?"mv":"cp") << f[0] << p->outputFileName();
if (!proc.start(TDEProcess::Block) || !proc.normalExit() || proc.exitStatus() != 0)
{
p->setErrorMessage(i18n("Cannot save print file to %1. Check that you have write access to it.").arg(p->outputFileName()));
return false;
}
}
return true;
}
}
else if (!setupSpecialCommand(cmd,p,f))
return false;
}
else if (!setupCommand(cmd,p))
return false;
return startPrinting(cmd,p,f,flag);
}
int vrpn_ImmersionBox::reset(void)
{
//-----------------------------------------------------------------------
// Set the values back to zero for all buttons, analogs and encoders
clear_values();
//-----------------------------------------------------------------------
// sending an end at this time will force the ibox into the reset mode, if it
// was not already. if the ibox is in the power up mode, nothing will happen because
// it 'should' be waiting to sync up the baudrate
// try to synchronize for 2 seconds
if (syncBaudrate (10.0)) {
printf("vrpn_ImmersionBox found\n");
} else {
return -1;
}
if (0 == sendIboxCommand((char) CMD_GETNAME, (char *) &iname, .1)) {
fprintf(stderr,"problems with ibox command CMD_GETNAME\n");
return -1;
}
if (0 == sendIboxCommand((char) CMD_GETPRID, (char *) &id, .1)) {
fprintf(stderr,"problems with ibox command CMD_GETPRID\n");
return -1;
}
if (0 == sendIboxCommand((char) CMD_GETMODL, (char *) &model, .1)){
fprintf(stderr,"problems with ibox command CMD_GETMODL\n");
return -1;
}
if (0 == sendIboxCommand((char) CMD_GETSERN, (char *) &serial, .1)){
fprintf(stderr,"problems with ibox command CMD_GETSERN\n");
return -1;
}
if (0 == sendIboxCommand((char) CMD_GETCOMM, (char *) &comment, .1)){
fprintf(stderr,"problems with ibox command CMD_GETCOMM\n");
return -1;
}
if (0 == sendIboxCommand((char) CMD_GETPERF, (char *) &parmf, .1)){
fprintf(stderr,"problems with ibox command CMD_GETPERF\n");
return -1;
}
if (0 == sendIboxCommand((char) CMD_GETVERS, (char *) &vers, .1)){
fprintf(stderr,"problems with ibox command CMD_GETVERS\n");
return -1;
}
#ifdef VERBOSE
printf("%s\n%s\n%s\n%s\n%s\n%s\n", iname, id, serial, comment, parmf, vers);
#endif
//-----------------------------------------------------------------------
// Compute the proper string to initialize the device based on how many
// of each type of input/output that is selected.
setupCommand (0, _numchannels, _numencoders);
unsigned char command[26] = "";
command[0] = 0xcf;
command[1] = 0x0;
command[2] = (unsigned char) 10; // milliseconds between reports
command[3] = commandByte;
for (int i = 4; i < 25;i++)
command[i] = 0x0;
//-----------------------------------------------------------------------
int result = vrpn_write_characters(serial_fd, (const unsigned char *) command, 25);
// Ask the box to send a report, ensure echo received
if (result < 25) {
fprintf(stderr,"vrpnImmersionBox::reset: could not write command\n");
return -1;
}
pause (.1);
// look for command echo
result = vrpn_read_available_characters(serial_fd, (unsigned char *) command, 1);
if (result <= 0 || command[0] != 0xcf) {
fprintf(stderr,"vrpnImmersionBox::reset: no command echo\n");
return -1;
}
// flush the input buffer
vrpn_flush_input_buffer(serial_fd);
printf("ImmersionBox reset complete.\n");
status = STATUS_SYNCING;
vrpn_gettimeofday(×tamp, NULL); // Set watchdog now
return 0;
}
int main(void)
{
system("clear");
char in_buffer[MAX_LINE]; /* to store the input commands*/
int background; /*is set if '&' is given at end of command */
char *args[MAX_LINE/+1];/* to have 40 arguments */
char checkCommand[10]; /* To track the input like !! and !N*/
pid_t pid;
int i;
int shouldrun = 1;
while (shouldrun) //while runs always, unless user enter exit
{
background = 0;
printf(" COMMAND->\n");
setupCommand(in_buffer,args,&background); /* To get next command */
if(strcmp(args[0],"exit")==0) //if user enters exit, it exits out
{
printf("exiting\n");
shouldrun=0;
exit(0);
}
int k,j,status_flag;
k = 0;
j=0;
int histCounter =0; /* This is loop counter to traverse through history array*/
int lengthArgs = strlen(args[0]);
status_flag=0; /* This is to track whether command entered will be executed or not by execvp*/
int no_commands=0;
int hist_flag = 0; /* This flag is to test whether !! or !N has been given as input or not*/
int maxIndex = count;
int minIndex =0;
if(count>9)
minIndex = count - 9;
char* histHold[20];
strcpy(checkCommand,args[0]);
int position_value = 0; /* This will hold what position will fetched from history */
if(lengthArgs<=2)
position_value = (int)checkCommand[1] - '0'; /* Convert the character digit to numeric value*/
/**
*This else loop will work in this way: if !10 is given then position to be fetched from is 10
* It will extract the value given after '!' and will store in variable position_value
*/
else
{
int power = lengthArgs -2;
int value = 0;
int loop=0;
int hold;
/**
* This for loop takes value N from !N
* It then parse each digit from N and forms the numeric value
* If input is given as !10 then it will take out 12
* It will parse each digit (1 and 0)
* It will form the numeric value as 1*(10 power of 1) + 2 * (10 power of 0)
*/
for(loop=1;loop<lengthArgs;loop++)
{
hold = (int)checkCommand[loop] -'0';
value = value + hold * pow(10,power);
power--;
}
position_value = value;
}
/* This block will fetch the command from history only when the input pattern will be like !! or !N*/
if(checkCommand[0] == '!' )
{
if((checkCommand[1] == '!' && count>0) ||
(position_value >= minIndex
&& position_value <= maxIndex))
{
int position = 0; /* This is initialized to 0 to get the latest command from history*/
/*Check for the pattern !N*/
if(checkCommand[1]!='!')
{
position = maxIndex - position_value;
}
memset(&hist_array[0], 0, sizeof(hist_array)); /* Array initialization*/
/**
* This while loop will take each character (except null and enter) from history array
* It will put the character in a temporary 1D array
*/
while (history[position][j] != '\n' && history[position][j] != '\0')
{
hist_array[k] = history[position][j];
j++;
k++;
}
/**
*This is to make an entry in the history array
* with the command corresponding to the position !!
* or !N
*/
for (histCounter = 9;histCounter>0; histCounter--)
strcpy(history[histCounter], history[histCounter-1]);
strcpy(history[0],hist_array);
count++;
printf("Command fetched : %s\n",hist_array);
/**
* This block will get the command from the history for the given position.
* Commands are spliited by space if it contains more than one word
* It will store the command in a pointer of character array
* The pointer character array is passed to execvp to execute
*/
int hist_array_length = strlen(hist_array); /* Get the length of the command fetched from history*/
int arrayCounter = 0;
char holdCharacter; /* This will hold the each character of the command while parsing the command*/
int histHoldCounter = 0;
int blankPossible = 0; /* This is handle multiple blanks between words in a command*/
histHold[histHoldCounter] = (char*) calloc(1, sizeof(char)); /* Dynamic Initialization*/
/**
* This for loop will parse the temporary 1D array
* characters are concatenated and put in the current index of array of character pointers
* If the character is space then next index of pointer array is initialized
*/
for(arrayCounter =0 ;arrayCounter<hist_array_length;arrayCounter++)
{
holdCharacter = hist_array[arrayCounter];
if(holdCharacter != ' ')
{
histHold[histHoldCounter] = strcat(histHold[histHoldCounter],&holdCharacter);
blankPossible = 1;
}
if(holdCharacter == ' ')
{
/*handle multiple blank*/
if(blankPossible == 1 )
{
histHoldCounter++;
histHold[histHoldCounter] = (char*) calloc(1, sizeof(char));
blankPossible = 0;
}
}
}
/* Set the immediate next index as zero after populating it with the parsed command words*/
histHold[histHoldCounter + 1 ] = NULL;
status_flag = 1;
hist_flag = 1;
/* Block ends here */
}
else
{
if(count == 0)
printf("No commands in history\n");
else
{
printf("No such command in histoy\n");
no_commands = 1; //flag used to stop creating processes if there are no such commands to execute
}
status_flag = 1; //flag used to stop executing execvp if there are no commands to execute
}
}
/* This block is to print the history of commands when user give input command as 'history'*/
if(strcmp("history",args[0])==0)
{
if(count>0)
{
printHistory();
status_flag = 1;
}else
{
printf("No commands in history\n");
status_flag = 1;
}
}
if((strcmp("history",args[0])!=0) && (no_commands == 0)) //conditions to check when to create processes
pid = fork();
int pid_child = 0;
if (pid < 0)
{
printf("Fork failed.\n");
exit (1);
}
/*the child process will invoke execvp()*/
else if (pid == 0)
{
pid_child = getpid(); //getting the pid of child process
if(hist_flag == 1)
{
status_flag = 1;
execvp (histHold[0], histHold); //executing of command fetched from history
}
if(status_flag == 0)
{
if (execvp (args[0], args) == -1) //checking whether command has executed properly or not. If it cannot execute, displaying error executing command
{
printf("Error executing command\n");
kill(pid_child,SIGKILL);//if command gives an error, the child process has to be killed explicitly. If not, program won't exit when exit command is given.
}
}
}
/**
*if background == 0, the parent will wait,
* else returns to the setupCommand() function.
*/
else
{
if (background == 0)
waitpid(pid,NULL,0);
}
}
}