List all files on a disk

FileObject. h

 

# Pragma once <br/> # include <string> <br/> # include <vector> <br/> using namespace std; <br/> # ifdef _ UNICODE <br/> # define stdTstring wstring <br/> # else <br/> # define stdTstring <br/> # endif <br/> typedef enum <br/>{< br/> FILETYPE_NULL = 0, <br/> FILETYPE_FILE, <br/> FILETYPE_DIR, <br/>} FILETYPE; <br/> # define attributes <br/> # define FILEATTRIBUTE_READONLY0x00000001 <br/> # define FIL EATTRIBUTE_HIDE0x00000010 <br/> # define FILEATTRIBUTE_DIRECTORY0x00000100 <br/> class CFileObject <br/>{< br/> public: <br/> virtual ~ CFileObject (void); <br/> CFileObject (FILETYPE type, stdTstring FileName); <br/> private: <br/> stdTstring mFileName; <br/> FILETYPE mFileType; <br/> public: <br/> void SetFileName (stdTstring name); <br/> stdTstring GetFileName (void); <br/> FILETYPE GetFileType (); <br/> vector <CFileObject *> mSubFiles; <br/> };

FileObject. cpp

# Include "StdAfx. h "<br/> # include" FileObject. h "<br/> CFileObject: CFileObject (FILETYPE type, stdTstring FileName) <br/>: mFileName (FileName) <br/>, mFileType (type) <br/>{< br/> mSubFiles. clear (); <br/>}< br/> CFileObject ::~ CFileObject (void) <br/>{< br/> vector <CFileObject * >:: iterator iter = mSubFiles. begin (); <br/> for (; iter! = MSubFiles. end (); iter ++) <br/>{< br/> if (* iter )) <br/>{< br/> CFileObject * file = (* iter); <br/> delete file; <br/> file = NULL; <br/> * iter = NULL; <br/>}< br/> mSubFiles. clear (); <br/>}< br/> void CFileObject: SetFileName (stdTstring name) <br/>{< br/> mFileName = name; <br/>}< br/> stdTstring CFileObject: GetFileName (void) <br/>{< br/> return mFileName; <br/>}< br/> FILETYPE CFileObject: GetFileType () <br/>{< br/> return mFileType; <br/>}

 

Main. cpp

 

 

// Listfile. CPP: defines the entry point for the console application. <br/> // <br/> # include "stdafx. H "<br/> # include <windows. h> <br/> # include "fileobject. H "<br/> # include" tinyxml. H "<br/> # include <time. h> <br/> bool enumfiles (lpctstr dirname, cfileobject & root) <br/>{< br/> win32_find_data findfiledata; <br/> zeromemory (& findfiledata, sizeof (win32_find_data); <br/> handle hfind = invalid_handle_value; <Br/> stdtstring dir = stdtstring (dirname); <br/> If (dir [dir. Length ()-1]! = '//') <Br/>{< br/> dir = dir + _ T ("//"); <br/>}< br/> stdtstring find = dir + _ T ("*. * "); <br/> bool bfindresult = true; <br/> hfind =: findfirstfile (find. c_str (), & findfiledata); <br/> DWORD dwerror; <br/> If (hfind = invalid_handle_value) <br/>{< br/> return false; <br/>}< br/> else <br/>{< br/> while (bfindresult) <br/>{< br/> If (! _ Tcscmp (findfiledata. cfilename, _ T (".") |! _ Tcscmp (findfiledata. cfilename, _ T (".. ") <br/>{< br/> bfindresult =: findnextfile (hfind, & findfiledata); <br/> continue; <br/>}< br/> else <br/>{< br/> If (findfiledata. dwfileattributes & file_attribute_directory) <br/>{< br/> stdtstring fullpath = dir + stdtstring (findfiledata. cfilename); <br/> cfileobject * OBJ = new cfileobject (filetype_dir, fullpath); <br/> enumfiles (fullpath. c_str (), (* OBJ); <br/> roo T. msubfiles. push_back (OBJ); <br/>}< br/> else <br/>{< br/> stdtstring fullpath = dir + stdtstring (findfiledata. cfilename); <br/> cfileobject * OBJ = new cfileobject (filetype_file, fullpath); <br/> root. msubfiles. push_back (OBJ); <br/>}< br/> bfindresult =: findnextfile (hfind, & findfiledata ); <br/>}< br/> dwerror = getlasterror (); <br/>: findclose (hfind); <br/> If (dwerror! = Error_no_more_files) <br/>{< br/> _ tprintf (text ("findnextfile error. error is % u. /n "), <br/> dwerror); <br/> return false; <br/>}< br/> return true; <br/>}< br/> bool writetofile (cfileobject & root) <br/>{< br/> return true; <br/>}< br/> int _ tmain (INT argc, _ tchar * argv []) <br/>{< br/> time_t starttime; <br/> time (& starttime); <br/> DWORD star = gettickcount (); <br/> cfileobject OBJ (filetype_dir, _ T ("C: // "); <br/> enumfiles (_ T (" C: // "), OBJ); <br/> time_t endtime; <br/> time (& endtime); <br/> dword t = gettickcount ()-star; <br/> time_t deleta = endtime-starttime; <br/> return 0; <br/>}< br/>

 

In this way, it takes 8 seconds to traverse files on drive C after writing... seek a more efficient solution!