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/*************************************************************************
** Directory.cpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
** Copyright (C) 2005-2017 Martin Gieseking <martin.gieseking@uos.de> **
** **
** 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 3 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, see <http://www.gnu.org/licenses/>. **
*************************************************************************/
#include <config.h>
#include "Directory.hpp"
using namespace std;
#ifdef _WIN32
#include <windows.h>
#else
#include <errno.h>
#include <sys/stat.h>
#endif
Directory::Directory () {
#if _WIN32
_handle = INVALID_HANDLE_VALUE;
_firstread = true;
memset(&_fileData, 0, sizeof(WIN32_FIND_DATA));
#else
_dir = 0;
_dirent = 0;
#endif
}
Directory::Directory (const string &dirname) {
#if _WIN32
_handle = INVALID_HANDLE_VALUE;
_firstread = true;
memset(&_fileData, 0, sizeof(WIN32_FIND_DATA));
#else
_dir = 0;
_dirent = 0;
#endif
open(dirname);
}
Directory::~Directory () {
close();
}
bool Directory::open (string dirname) {
_dirname = dirname;
#ifdef _WIN32
_firstread = true;
if (dirname[dirname.length()-1] == '/' || dirname[dirname.length()-1] == '\\')
dirname = dirname.substr(0, dirname.length()-1);
dirname += "\\*";
_handle = FindFirstFile(dirname.c_str(), &_fileData);
return _handle != INVALID_HANDLE_VALUE;
#else
_dir = opendir(_dirname.c_str());
return bool(_dir);
#endif
}
void Directory::close () {
#ifdef _WIN32
FindClose(_handle);
#else
closedir(_dir);
#endif
}
/** Reads first/next directory entry.
* @param[in] type type of entry to return (a: file or dir, f: file, d: dir)
* @return name of entry */
const char* Directory::read (EntryType type) {
#ifdef _WIN32
if (_handle == INVALID_HANDLE_VALUE)
return 0;
while (_firstread || FindNextFile(_handle, &_fileData)) {
_firstread = false;
if (_fileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
if (type == ET_FILE_OR_DIR || type == ET_DIR)
return _fileData.cFileName;
}
else if (type == ET_FILE_OR_DIR || type == ET_FILE)
return _fileData.cFileName;
}
FindClose(_handle);
_handle = INVALID_HANDLE_VALUE;
return 0;
#else
if (!_dir)
return 0;
while ((_dirent = readdir(_dir))) {
string path = string(_dirname) + "/" + _dirent->d_name;
struct stat stats;
if (stat(path.c_str(), &stats) == 0) {
if (S_ISDIR(stats.st_mode)) {
if (type == ET_FILE_OR_DIR || type == ET_DIR)
return _dirent->d_name;
}
else if (type == ET_FILE_OR_DIR || type == ET_FILE)
return _dirent->d_name;
}
}
closedir(_dir);
_dir = 0;
return 0;
#endif
}
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