• [OC Foundation框架


    注意:

    1.变量名和函数名不要混淆调用
    2.不要对文件夹进行文件的操作,没有权限
    3.递归调用注意初始化变量
     
     1 //
     2 //  main.m
     3 //  CodeLineCount
     4 //
     5 //  Created by hellovoidworld on 14-11-18.
     6 //  Copyright (c) 2014年 com.hellovoidworld. All rights reserved.
     7 //
     8 
     9 #import <Foundation/Foundation.h>
    10 
    11 // 计算文件夹或文件内所有代码行数
    12 NSInteger codeLineCount(NSString *path)
    13 {
    14     NSError *error;
    15    
    16     // 单例模式创建 NSFileManager
    17     NSFileManager *fileManager = [NSFileManager defaultManager];
    18    
    19     BOOL isDirectory = NO;
    20     BOOL isFileExist = [fileManager fileExistsAtPath:path isDirectory:&isDirectory];
    21    
    22     // 文件是否存在
    23     if (!isFileExist)
    24     {
    25         NSLog(@"%@-->文件或文件夹不存在!", path);
    26         return 0;
    27     }
    28    
    29     // 如果是文件夹,进行递归调用
    30     if (isDirectory)
    31     {
    32 //        NSLog(@"文件夹: %@", path);
    33        
    34         NSInteger lineCount = 0; // 代码行数
    35        
    36         // 获取文件夹下的所有内容,包括子文件夹和文件
    37         NSArray *subPaths = [fileManager contentsOfDirectoryAtPath:path error:&error];
    38        
    39         if (error != nil)
    40         {
    41             NSLog(@"Fail to read the directory, the error is %@", error);
    42         }
    43        
    44         for (NSString *subPath in subPaths)
    45         {
    46             NSString *fullSubPath; // 全路径的文件名
    47             fullSubPath = [NSString stringWithFormat:@"%@/%@", path, subPath]; // 取出来的文件名不带路径
    48             lineCount += codeLineCount(fullSubPath);
    49         }
    50        
    51         return lineCount;
    52     }
    53     else
    54     {
    55         NSInteger lineCount = 0; // 代码行数
    56        
    57         // 取得文件扩展名
    58         NSString *fileExtension = [[path pathExtension] lowercaseString];
    59        
    60         // 过滤非代码文件
    61         if (![fileExtension isEqualToString:@"h"]
    62             && ![fileExtension isEqualToString:@"m"]
    63             && ![fileExtension isEqualToString:@"c"])
    64         {
    65             return 0;
    66         }
    67        
    68         NSString *fileContent = [NSString stringWithContentsOfFile:path encoding:NSUTF8StringEncoding error:&error];
    69        
    70         if (error != nil)
    71         {
    72             NSLog(@"Read fail, error is %@", error);
    73         }
    74        
    75         NSArray *codeLinesArray = [fileContent componentsSeparatedByString:@"
    "];
    76         lineCount = [codeLinesArray count];
    77        
    78         NSLog(@"%@的代码行数是%ld", path, lineCount);
    79         return lineCount;
    80     }
    81 }
    82 
    83 int main(int argc, const char * argv[]) {
    84     @autoreleasepool {
    85        
    86         NSInteger lineCount = codeLineCount(@"/Users/hellovoidworld/Study");
    87         NSInteger lineCount2 = codeLineCount(@"/Users/hellovoidworld/Desktop/oc");
    88        
    89         NSLog(@"所有源码文件的总行数是%ld", lineCount + lineCount2);
    90        
    91     }
    92    
    93     return 0;
    94 }
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  • 原文地址:https://www.cnblogs.com/hellovoidworld/p/4119433.html
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