NSArray+charactersFromString

NSArray+charactersFromString.h

//
// NSArray+charactersFromString.h
//
// Created by nicerobot.
// Copyright 2012 Nice Robot Corporation. All rights reserved.
// 
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

#import <Cocoa/Cocoa.h>

@interface NSArray(charactersFromNSString)
+(id)arrayWithCharactersOfString:(NSString*)str;
@end

NSArray+charactersFromString.m

//
// NSArray+charactersFromString.m
//
// Created by nicerobot.
// Copyright 2012 Nice Robot Corporation. All rights reserved.
// 
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

#import "NSArray+charactersFromString.h"

@implementation NSArray(charactersFromNSString)

+(id)arrayWithCharactersOfString:(NSString*)str {
  NSUInteger l = str?[str length]:0;
  NSMutableArray *array = [NSMutableArray arrayWithCapacity:l];
  for (NSUInteger i=0; i<l; i++) {
    [array addObject:[NSString stringWithFormat:@"%c",[str characterAtIndex:i]]];
  }
  return [self arrayWithArray:array];
}

@end