minetest/src/filesys.cpp

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/*
Minetest-c55
Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
2010-11-27 00:02:21 +01:00
#include "filesys.h"
#include <iostream>
namespace fs
{
#ifdef _WIN32
#define _WIN32_WINNT 0x0501
#include <Windows.h>
#include <stdio.h>
#include <malloc.h>
#include <tchar.h>
#include <wchar.h>
#include <stdio.h>
#define BUFSIZE MAX_PATH
std::vector<DirListNode> GetDirListing(std::string pathstring)
{
std::vector<DirListNode> listing;
WIN32_FIND_DATA FindFileData;
HANDLE hFind = INVALID_HANDLE_VALUE;
DWORD dwError;
LPTSTR DirSpec;
INT retval;
DirSpec = (LPTSTR) malloc (BUFSIZE);
if( DirSpec == NULL )
{
printf( "Insufficient memory available\n" );
retval = 1;
goto Cleanup;
}
// Check that the input is not larger than allowed.
if (pathstring.size() > (BUFSIZE - 2))
{
_tprintf(TEXT("Input directory is too large.\n"));
retval = 3;
goto Cleanup;
}
//_tprintf (TEXT("Target directory is %s.\n"), pathstring.c_str());
sprintf(DirSpec, "%s", (pathstring + "\\*").c_str());
// Find the first file in the directory.
hFind = FindFirstFile(DirSpec, &FindFileData);
if (hFind == INVALID_HANDLE_VALUE)
{
_tprintf (TEXT("Invalid file handle. Error is %u.\n"),
GetLastError());
retval = (-1);
}
else
{
DirListNode node;
node.name = FindFileData.cFileName;
node.dir = FindFileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY;
listing.push_back(node);
// List all the other files in the directory.
while (FindNextFile(hFind, &FindFileData) != 0)
{
DirListNode node;
node.name = FindFileData.cFileName;
node.dir = FindFileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY;
listing.push_back(node);
}
dwError = GetLastError();
FindClose(hFind);
if (dwError != ERROR_NO_MORE_FILES)
{
_tprintf (TEXT("FindNextFile error. Error is %u.\n"),
dwError);
retval = (-1);
goto Cleanup;
}
}
retval = 0;
Cleanup:
free(DirSpec);
if(retval != 0) listing.clear();
//for(unsigned int i=0; i<listing.size(); i++){
// std::cout<<listing[i].name<<(listing[i].dir?" (dir)":" (file)")<<std::endl;
//}
return listing;
}
bool CreateDir(std::string path)
{
bool r = CreateDirectory(path.c_str(), NULL);
if(r == true)
return true;
if(GetLastError() == ERROR_ALREADY_EXISTS)
return true;
return false;
}
bool PathExists(std::string path)
{
return (GetFileAttributes(path.c_str()) != INVALID_FILE_ATTRIBUTES);
}
#else
#ifdef linux
#include <sys/types.h>
#include <dirent.h>
#include <errno.h>
#include <sys/stat.h>
std::vector<DirListNode> GetDirListing(std::string pathstring)
{
std::vector<DirListNode> listing;
DIR *dp;
struct dirent *dirp;
if((dp = opendir(pathstring.c_str())) == NULL) {
//std::cout<<"Error("<<errno<<") opening "<<pathstring<<std::endl;
return listing;
}
while ((dirp = readdir(dp)) != NULL) {
if(dirp->d_name[0]!='.'){
DirListNode node;
node.name = dirp->d_name;
if(dirp->d_type == DT_DIR) node.dir = true;
else node.dir = false;
listing.push_back(node);
}
}
closedir(dp);
return listing;
}
bool CreateDir(std::string path)
{
int r = mkdir(path.c_str(), S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
if(r == 0)
{
return true;
}
else
{
// If already exists, return true
if(errno == EEXIST)
return true;
return false;
}
}
bool PathExists(std::string path)
{
struct stat st;
return (stat(path.c_str(),&st) == 0);
}
#else
#include "boost/filesystem/operations.hpp"
namespace bfsys = boost::filesystem;
std::vector<DirListNode> GetDirListing(std::string pathstring)
{
std::vector<DirListNode> listing;
bfsys::path path(pathstring);
if( !exists( path ) ) return listing;
bfsys::directory_iterator end_itr; // default construction yields past-the-end
for( bfsys::directory_iterator itr( path ); itr != end_itr; ++itr ){
DirListNode node;
node.name = itr->leaf();
node.dir = is_directory(*itr);
listing.push_back(node);
}
return listing;
}
bool CreateDir(std::string path)
{
std::cout<<"CreateDir not implemented in boost"<<std::endl;
return false;
}
#endif
#endif
}