OC7_单词个数

//

//  WordManger.h

//  OC7_单词个数

//

//  Created by zhangxueming on 15/6/17.

//  Copyright (c) 2015年 zhangxueming. All rights reserved.

//



#import <Foundation/Foundation.h>



@interface WordManger : NSObject

{

    NSMutableDictionary *_wordList;

}



- (id)initWithFile:(NSString *)path;



- (void)parseWordFile:(NSString *)path;



- (NSInteger)firstWordCountInArray:(NSString *)word withArray:(NSMutableArray *)mulArray;



+ (void)userInterface;

@end

//

//  WordManger.m

//  OC7_单词个数

//

//  Created by zhangxueming on 15/6/17.

//  Copyright (c) 2015年 zhangxueming. All rights reserved.

//



#import "WordManger.h"



@implementation WordManger



- (id)initWithFile:(NSString *)path

{

    self = [super init];

    if (self) {

        _wordList = [NSMutableDictionary dictionary];

        [self parseWordFile:path];

    }

    return self;

}



- (void)parseWordFile:(NSString *)path

{

    //读取单词文件

    NSString *fileContent = [NSString stringWithContentsOfFile:path encoding:NSUTF8StringEncoding error:nil];

    if (!fileContent) {

        return;

    }

    //分割字符串

    NSArray *words = [fileContent componentsSeparatedByCharactersInSet:[NSCharacterSet characterSetWithCharactersInString:@",. \n"]];

    NSMutableArray *mulWords = [NSMutableArray array];

    for (NSString *item in words) {

        if (![item isEqualToString:@""]) {

            [mulWords addObject:[item lowercaseString]];

        }

    }

    //统计单词出现的次数, 并添加到字典中

    while ([mulWords count]) {

        NSString *key = [mulWords objectAtIndex:0];

        NSNumber *value = [NSNumber numberWithInteger:[self firstWordCountInArray:key withArray:mulWords]];

        [_wordList setObject:value forKey:key];

        [mulWords removeObject:key];

    }

}



- (NSInteger)firstWordCountInArray:(NSString *)word withArray:(NSMutableArray *)mulArray

{

    NSInteger cnt =0;

    for (NSString *item in mulArray) {

        if ([item isEqualToString:word]) {

            cnt++;

        }

    }

    return cnt;

}



+ (void)userInterface

{

    WordManger *manger = [[WordManger alloc] initWithFile:@"/Users/zhangxueming/Downloads/qfile-10.txt"];

    NSInteger cnt;

    scanf("%li",&cnt);

    NSLog(@"keys = %@", [manger->_wordList allKeysForObject:[NSNumber numberWithInteger:cnt]]);

}

@end

//

//  main.m

//  OC7_单词个数

//

//  Created by zhangxueming on 15/6/17.

//  Copyright (c) 2015年 zhangxueming. All rights reserved.

//



#import <Foundation/Foundation.h>

#import "WordManger.h"



int main(int argc, const char * argv[]) {

    @autoreleasepool {

       

        [WordManger userInterface];

        

    }

    return 0;

}