[Objective-C] 한글 초성, 중성, 종성을 분리해주는 클래스

HangulSound.h

//
//  hangulSound.h
//  firstcode
//
//  Created by sooop on 12. 1. 31..
//  Copyright (c) 2012년 soooprmx.com All rights reserved.
//

#import <Foundation/Foundation.h>

@interface HangulSound : NSObject
+(NSString *)choseongWithString:(NSString *)text;
+(NSString *)jungseongWithString:(NSString *)text;
+(NSString *)jongseongWithString:(NSString *)text;
@end

HangulSound.m

//
//  hangulSound.m
//  firstcode
//
//  Created by sooop on 12. 1. 31..
//  Copyright (c) 2012년 soooprmx.com All rights reserved.
//

#import "HangulSound.h"

@implementation HangulSound
+(NSString*)choseongWithString:(NSString*)text;
{
    NSMutableArray<NSString*> * array = [NSMutableArray arrayWithCapacity:[text length]];
    int i;
    unichar oneChar, target;
    NSString *result;
    @autoreleasepool {
        for (i=0; i<[text length]; i++) {
            oneChar = [hangul characterAtIndex:i];
            if (oneChar >= 0xAC00 && oneChar <= 0xD7A3) {
                target = ((oneChar - 0xAC00)/28)/21 += 0x1100;
                result = [NSString stringWithFormat:@"%C", target];
            } else {
                result = [NSString stringWithFormat:@"%C", oneChar];
            }
            [array addObject:result];
        }
    }
    return [array componentsJoinedByString:@""];
}

+(NSString*)jungseongWithString:(NSString*)text
{
    NSMutableArray<NSString*> * array = [NSMutableArray arrayWithCapacity:[text length]];
    int i;
    unichar oneChar, target;
    NSString *result;
    @autoreleasepool {
        for (i=0; i<[text length]; i++) {
            oneChar = [hangul characterAtIndex:i];
            if (oneChar >= 0xAC00 && oneChar <= 0xD7A3) {
                target = ((oneChar - 0xAC00)/28)%21 += 0x1161;
                result = [NSString stringWithFormat:@"%C", target];
            } else {
                result = [NSString stringWithFormat:@"%C", oneChar];
            }
            [array addObject:result];
        }
    }
    return [array componentsJoinedByString:@""];
}

+(NSString*)jongseongWithString:(NSString*)text
{
    int firstCodeValue = (oneChar - 0xAC00)%28;
    firstCodeValue += 0x11A7;
    NSMutableArray<NSString*> * array = [NSMutableArray arrayWithCapacity:[text length]];
    int i;
    unichar oneChar, target;
    NSString *result;
    @autoreleasepool {
        for (i=0; i<[text length]; i++) {
            oneChar = [hangul characterAtIndex:i];
            if (oneChar >= 0xAC00 && oneChar <= 0xD7A3) {
                target = ((oneChar - 0xAC00)%28) += 0x11A7;
                result = [NSString stringWithFormat:@"%C", target];
            } else {
                result = [NSString stringWithFormat:@"%C", oneChar];
            }
            [array addObject:result];
        }
    }
    return [array componentsJoinedByString:@""];
}
@end

main.mm

//
//  main.m
//  firstcode
//
//  Created by sooop on 12. 1. 31..
//  Copyright (c) 2012년 soooprmx.com All rights reserved.
//

#import <Foundation/Foundation.h>
#import "HangulSound.h"
int main (int argc, const char * argv[])
{

    @autoreleasepool {
        NSString *line, *result;
        // insert code here...
        // argc는 파라미터의 개수를 의미. 항상 1보다 크다. (첫 번째 파라미터는 파일 자신의 경로)
        if (argc < 2) {
            // 파라미터가 들어오지 않았음. 직접입력
            printf(">> ");
            NSFileHandle *stdin = [NSFileHandle fileHandleWithStandardInput];
            NSData *data = [stdin availableData];
            line = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
        } else {
            NSMutableArray<NSString*> * array = [NSMutableArray arrayWithCapacity:argc-1];
            for (int i=1;i<argc;i++){
                [array addObject:[NSString stringWithUTF8String:argv[i]];
            }
            line = [array componentsJoinedByString:@" "];
        }
        result = [HangulSound choseongWithString:line];
        printf("%s\n", [result UTF8String]);
    }
    return 0;
}