cocos2d-x 实现跨平台的目录遍历

#ifdef _WIN32
#include <io.h>
#else
#include <unistd.h>
#include <stdio.h>
#include <dirent.h>
#include <sys/stat.h>

#endif

void dfsFolder(string folderPath, int depth = 0);

void dfsFolder( string folderPath, int depth)
{
#ifdef WIN32
    _finddata_t FileInfo;
    string strfind = folderPath + "\\*";
    long Handle = _findfirst(strfind.c_str(), &FileInfo);


    if (Handle == -1L)
    {
        cerr << "can not match the folder path" << endl;
        exit(-1);
    }
    do{
        //判断是否有子目录
        if (FileInfo.attrib & _A_SUBDIR)    
        {
            //这个语句很重要
            if( (strcmp(FileInfo.name,".") != 0 ) &&(strcmp(FileInfo.name,"..") != 0))   
            {
                string newPath = folderPath + "\\" + FileInfo.name;
                dfsFolder(newPath);
            }
        }
        else  
        {
            string filename = (folderPath + "\\" + FileInfo.name);
28             cout << folderPath << "\\" << FileInfo.name  << " " << endl;
        }
    }while (_findnext(Handle, &FileInfo) == 0);


    _findclose(Handle);
#else
    DIR *dp;
    struct dirent *entry;
    struct stat statbuf;
    if((dp = opendir(folderPath.c_str())) == NULL) {
        fprintf(stderr,"cannot open directory: %s\n", folderPath.c_str());
        return;
    }
    chdir(folderPath.c_str());
    while((entry = readdir(dp)) != NULL) {
        lstat(entry->d_name,&statbuf);
        if(S_ISDIR(statbuf.st_mode)) {


            if(strcmp(".",entry->d_name) == 0 ||
                strcmp("..",entry->d_name) == 0)
                continue;
            printf("%*s%s/\n",depth,"",entry->d_name);
            dfsFolder(entry->d_name,depth+4);
        } else {
            string filename = entry->d_name;
54             printf("%*s%s\n",depth,"",entry->d_name);
        }
    }
    chdir("..");
    closedir(dp);
#endif
}