NSString+PBXAdditions.m

#import <Foundation/NSArray.h>
#import "NSString+PBXAdditions.h"

@implementation NSString (PBXAdditions)
- (NSString *) firstPathComponent
{
  NSArray *components = [self pathComponents];
  return ([components count] > 0)?[components objectAtIndex: 0]:@"";
}

- (NSString *) stringByEscapingSpecialCharacters
{
  return [self stringByReplacingOccurrencesOfString: @" "
					 withString: @"\\ "];
}

- (NSString *) stringByCapitalizingFirstCharacter
{
  unichar c = [self characterAtIndex: 0];
  NSRange range = NSMakeRange(0,1);
  NSString *oneChar = [[NSString stringWithFormat:@"%C",c] uppercaseString];
  NSString *name = [self stringByReplacingCharactersInRange: range withString: oneChar];
  
  return name;
}

- (NSString *) stringByDeletingFirstPathComponent
{
  NSArray *components = [self pathComponents];
  NSString *firstComponent = [self firstPathComponent];
  NSString *result = @"";
  NSEnumerator *en = [components objectEnumerator];
  NSString *c = nil;

  while ((c = [en nextObject]) != nil)
    {
      if ([c isEqualToString: firstComponent])
        continue;
      
      result = [result stringByAppendingPathComponent: c];
    }
  
  return result;
}
@end