BSSingleLineFormatter
Language: Objective-C, Author: Michele Balistreri
License: Public domain
Is a formatter (subclass of NSFormatter) which removes the newlines encountered in input. This can be used to avoid newlines characters to get in NSTextFields, for example by copy&pasting.
BSSingleLineFormatter source preview
#import "BSSingleLineFormatter.h"
#import "NSCharacterSet+BSNewLineCharacterSet.h"
@implementation BSSingleLineFormatter
- (NSString *)stringForObjectValue:(id)anObject
{
NSString *returnString = @"";
NSString *tmpString = nil;
NSScanner *scanner = [NSScanner scannerWithString:anObject];
while([scanner scanUpToCharactersFromSet:[NSCharacterSet newlineCharacterSet] intoString:&tmpString])
returnString = [returnString stringByAppendingString:tmpString];
return returnString;
}
- (BOOL)getObjectValue:(id *)anObject forString:(NSString *)string errorDescription:(NSString **)error
{
NSScanner *scanner = [NSScanner scannerWithString:string];
NSString *tmpString = nil;
*anObject = @"";
while([scanner scanUpToCharactersFromSet:[NSCharacterSet newlineCharacterSet] intoString:&tmpString])
*anObject = [*anObject stringByAppendingString:tmpString];
return YES;
}
- (BOOL)isPartialStringValid:(NSString *)partialString newEditingString:(NSString **)newString errorDescription:(NSString **)error
{
if([partialString rangeOfCharacterFromSet:[NSCharacterSet newlineCharacterSet]].location == NSNotFound)
return YES;
NSScanner *scanner = [NSScanner scannerWithString:partialString];
NSString *tmpString = nil;
*newString = @"";
while([scanner scanUpToCharactersFromSet:[NSCharacterSet newlineCharacterSet] intoString:&tmpString])
*newString = [*newString stringByAppendingString:tmpString];
return NO;
}
@end
BSSingleLineFormatter header preview
#import <Cocoa/Cocoa.h>
@interface BSSingleLineFormatter : NSFormatter
{
}
@end
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Dependencies:
Compatible with:
- Mac OS X 10.0
- Mac OS X 10.1
- Mac OS X 10.2
- Mac OS X 10.3
- Mac OS X 10.4 PPC
- Mac OS X 10.4 Intel
- Mac OS X 10.5 PPC
- Mac OS X 10.5 Intel
Hmm..... beautiful code snippets. However, a little wrapper application that shows how to use them would be EXTREMELY helpful. The logic is pretty clear, but the know-how of integrating stuff into COCOA apps is not documented enough.
Hmm..... beautiful code snippets. However, a little wrapper application that shows how to use them would be EXTREMELY helpful. The logic is pretty clear, but the know-how of integrating stuff into COCOA apps is not documented enough.