const char *Rowop::opcodeString(int code)
{
const char *def = "?";
const char *res = enum2string(opcodes, code, def);
if (res == def) {
// for the unknown opcodes, get at least the general sense
if (isInsert(code) && isDelete(code))
return "[ID]";
else if (isInsert(code))
return "[I]";
else if (isDelete(code))
return "[D]";
else
return "[NOP]";
} else {
return res;
}
}
// Main processing loop for the shell
int main(int argc, char **argv) {
printf("SMUsh Version 0.1.234\n");
// Allocate outside of the loop for efficiency
char *command = NULL;
char *param1 = NULL;
char *param2 = NULL;
char sep[] = " ";
char *result = NULL;
char part[3][255] = {0};
char input[256] = {0};
// Begin the command processing loop
while(true)
{
// Clear out the storage at the beginning of each loop
int i = 0;
input[0] = '\0';
part[0][0] = '\0';
part[1][0] = '\0';
part[2][0] = '\0';
// Capture command line input
printf("SMUsh> ");
scanf("%255[^\n]%*c", input);
// parse the input into three separate arguments
// Pull the first token from the input
result = strtok(input, sep);
// Loop through remaining tokens until there are none left
while( result != NULL )
{
// Copy the result into the argument array
strcpy(part[i],result);
result = strtok( NULL, sep );
i++;
}
// Transfer the parts into named storage
command = part[0];
param1 = part[1];
param2 = part[2];
// Evaluate the command types and pass the appropriate parameters
if(isExit(command))
{
printf("Exiting... Thanks for using SMUsh - Scott's Shell.\n");
break;
}
else if (isCopy(command))
{
copy(param1, param2);
}
else if (isDelete(command))
{
delete(param1);
}
else if (isType(command))
{
type(param1);
}
else if (isExecutable(command))
{
execute(command);
}
else
{
displayError(command);
}
}
return 0;
}
