mirror of
https://github.com/libretro/scummvm.git
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116 lines
2.9 KiB
C++
116 lines
2.9 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2002 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*/
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#if defined(UNIX)
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#include "../fs.h"
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#ifdef MACOSX
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#include <sys/types.h>
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#endif
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#include <dirent.h>
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/*
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* Implementation of the ScummVM file system API based on POSIX.
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*/
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class POSIXFilesystemNode : public FilesystemNode {
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protected:
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String _displayName;
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bool _isDirectory;
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bool _isValid;
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String _path;
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public:
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POSIXFilesystemNode();
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POSIXFilesystemNode(const String &path);
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POSIXFilesystemNode(const POSIXFilesystemNode *node);
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virtual String displayName() const { return _displayName; }
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virtual bool isValid() const { return _isValid; }
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virtual bool isDirectory() const { return _isDirectory; }
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virtual String path() const { return _path; }
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virtual FSList *listDir() const;
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virtual FilesystemNode *parent() const;
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virtual FilesystemNode *clone() const { return new POSIXFilesystemNode(this); }
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};
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FilesystemNode *FilesystemNode::getRoot() {
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return new POSIXFilesystemNode();
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}
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POSIXFilesystemNode::POSIXFilesystemNode() {
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_displayName = "/";
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_isValid = true;
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_isDirectory = true;
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_path = "/";
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}
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/*
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POSIXFilesystemNode::POSIXFilesystemNode(const String &p) {
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// TODO - extract last component from path
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_displayName = p;
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// TODO - check whether it is a directory, and whether the file actually exists
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_isValid = true;
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_isDirectory = true;
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_path = p;
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}
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*/
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POSIXFilesystemNode::POSIXFilesystemNode(const POSIXFilesystemNode *node) {
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_displayName = node->_displayName;
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_isValid = node->_isValid;
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_isDirectory = node->_isDirectory;
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_path = node->_path;
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}
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FSList *POSIXFilesystemNode::listDir() const {
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assert(_isDirectory);
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DIR *dirp = opendir(_path.c_str());
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assert(dirp != 0);
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struct dirent *dp;
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FSList *myList = new FSList();
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// ... loop over dir entries using readdir
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while ((dp = readdir(dirp)) != NULL) {
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POSIXFilesystemNode entry;
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entry._displayName = dp->d_name;
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entry._isDirectory = (dp->d_type == DT_DIR); // TODO - add support for symlinks to dirs?
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entry._path = _path;
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entry._path += dp->d_name;
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if (entry._isDirectory)
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entry._path += "/";
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myList->push_back(entry);
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}
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closedir(dirp);
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return myList;
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}
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FilesystemNode *POSIXFilesystemNode::parent() const {
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// TODO !!!
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return 0;
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}
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#endif // defined(UNIX)
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