actively remove unwanted characters
Hi, I am writing a function to actively remove unwanted characters from an input field. It will run each time a key event occurs on the selected input fields. It will remove the quotes and things like that. That's what I have so far...
void test(){ char unwantedCharSet[50]={"abcD"}; char tempString2[200]; int matchedCharIndex; GetCtrlVal (panelHandle[MAIN], MAIN_STRING,tempString); do{ RemoveSurroundingWhiteSpace (tempString); matchedCharIndex = strcspn (tempString, unwantedCharSet); if(matchedCharIndex==strlen(tempString)){ SetCtrlVal (panelHandle[MAIN], MAIN_STRING, tempString); return; } else{ strncpy (tempString2, tempString, matchedCharIndex); CopyString (tempString, matchedCharIndex, tempString,matchedCharIndex+1,(strlen(tempString)-matchedCharIndex)); strcat (tempString2, tempString); } sprintf(tempString,"%s",tempString2); } while(1); return; }
It's still glitchy. Does anyone have advice to do this effectively?
Thanks in advance!
It was my solution, though, it takes a long time to perform. Someone has any advice on a better approach (more fast/cleaner)?
/*=====================================================================*/ // TEST /*=====================================================================*/ void test(){ GetCtrlVal(panelHandle[MAIN],MAIN_STRING,tempString); SetCtrlVal(panelHandle[MAIN],MAIN_STRING,filter(tempString,unwantedCharSet)); return; } /*=====================================================================*/ // FILTER /*=====================================================================*/ char *filter(char *inputString,char *filterString){ int ptr=0,matchedCharIndex=0; char outputString[100]; do{ matchedCharIndex = strcspn (inputString,filterString); if(matchedCharIndex!=strlen(tempString)){ strcpy (outputString, inputString); for(ptr=matchedCharIndex;ptr<=strlen(inputString);ptr++){ outputString[ptr]=inputString[ptr+1]; DebugPrintf("%s\n",outputString); if(outputString[ptr]=='\n'||outputString[ptr]=='\0') break; } strcpy(inputString,outputString); } else return inputString; } while(1); return inputString; }
Tags: NI Software
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