Objective-C : StringHelper

gistfile1.m

#import "GlobalData.h"
#import "StringHelper.h"

@implementation StringHelper


+ (NSString*)costString:(NSString*)source{
  NSNumberFormatter *formatter = [[NSNumberFormatter alloc] init];
  NSNumber *cost = [formatter numberFromString:source];
  [formatter setNumberStyle:NSNumberFormatterDecimalStyle];
  NSString * out = [[formatter stringFromNumber:cost] stringByAppendingString:@".-"];
  return out;
}
+ (NSString*)dateString:(NSString*)source{
  return [self dateString:source withTime:YES];
}

+ (NSString*)dateString:(NSString*)source withTime:(BOOL)enableTime{
  NSArray *rawToken = [source componentsSeparatedByString:@" "];
  NSArray *dateToken = [[rawToken objectAtIndex:0] componentsSeparatedByString:@"-"];

  NSNumberFormatter *formatter = [[NSNumberFormatter alloc] init];
  NSNumber *day = [formatter numberFromString:[dateToken objectAtIndex:2]];
  NSString *thaiMonth = [GlobalData stringForThaiMonth:[dateToken objectAtIndex:1]];
  NSString *year = [dateToken objectAtIndex:0];
  
  NSString *out;
  
  if(enableTime){
    NSArray *timeToken = [[rawToken objectAtIndex:1] componentsSeparatedByString:@":"];
    out = [NSString stringWithFormat:@"%@ %@ %@ %@:%@", day, thaiMonth, year, [timeToken objectAtIndex:0], [timeToken objectAtIndex:1]];
  }
  else{
    out = [NSString stringWithFormat:@"%@ %@ %@", day, thaiMonth, year];
  }
  
  return out;
}
+ (NSString*)imagePathStringWithSource:(NSString*) source{
  return source;
}

+ (NSString*)UTF8DecodedString:(NSString*)source{
  return [source stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
}

+ (NSString*)UTF8EncodedString:(NSString*)source{
  return [source stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
}

+ (NSString*)SerialSplit:(NSString*)source with:(int)groupSize html:(BOOL)html_enable{
  NSMutableString *out = [[NSMutableString alloc] initWithCapacity:[source length]];
  for(int i = 0; i < source.length ; i++){
    [out appendFormat:@"%c", [source characterAtIndex:i]];
    if((i%4==3) && (i != source.length - 1)){
      if(html_enable){
        [out appendString:@"&nbsp;"];
      }
      else{
        [out appendString:@" "];
      }
    }
  }
  return out;
}

+(NSString *)urlEncodeUsingEncoding:(NSStringEncoding)encoding withString:(NSString*) text{
	__autoreleasing NSString *encodedString;
  
  NSString *originalString = (NSString *)text;
  encodedString = (__bridge_transfer NSString * )
  CFURLCreateStringByAddingPercentEscapes(NULL,
                                          (__bridge CFStringRef)originalString,
                                          NULL,
                                          (CFStringRef)@"!*'();:@&=+$,/?%#[]",
                                          kCFStringEncodingUTF8);
  return encodedString;
}
@end

StringHelper.h

#import <Foundation/Foundation.h>

@interface StringHelper : NSObject

+ (NSString*)costString:(NSString*)source;
+ (NSString*)dateString:(NSString*)source;
+ (NSString*)dateString:(NSString*)source withTime:(BOOL)enableTime;
+ (NSString*)imagePathStringWithSource:(NSString*) source;
+ (NSString*)UTF8DecodedString:(NSString*)source;
+ (NSString*)UTF8EncodedString:(NSString*)source;
+ (NSString*)SerialSplit:(NSString*)source with:(int)groupSize html:(BOOL)html_enable;
+ (NSString *)urlEncodeUsingEncoding:(NSStringEncoding)encoding withString:(NSString*) text;
@end