#include "FileSystemUtil.h"

#ifdef _WIN32

#include <windows.h>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <string>
#include <functional>
void _FindFileRev(const std::string& dirname,
                  const int skiplevel,const int maxlevel,int nowlevel,
                  const std::function<void(const std::string&)>& func)
{
    std::string patternString=dirname+"*";

    WIN32_FIND_DATA fnd;
    HANDLE hand=FindFirstFile(patternString.c_str(),&fnd);
    if(hand!=INVALID_HANDLE_VALUE)
    {
        do
        {
            std::string fullname=dirname+fnd.cFileName;
            if(fnd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
            {
                if(maxlevel>0 && nowlevel<maxlevel)
                {
                    fullname.append("\\");
                    _FindFileRev(fullname,skiplevel,maxlevel,nowlevel+1,func);
                }
            }
            else
            {
                if(nowlevel>skiplevel) func(fullname);
            }
        }
        while(FindNextFile(hand,&fnd));
        FindClose(hand);
    }
}
void FindFileRev(const std::string& dirname,
                 const int skiplevel,const int maxlevel,
                 const std::function<void(const std::string&)>& func)
{
    if(dirname[dirname.size()-1]!='\\')
    {
        std::string dirnamex=dirname+"\\";
        _FindFileRev(dirnamex,skiplevel,maxlevel,1,func);
    }
    else
    {
        _FindFileRev(dirname,skiplevel,maxlevel,1,func);
    }
}

#endif // _WIN32