mirror of
https://github.com/libretro/scummvm.git
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148 lines
3.7 KiB
C++
148 lines
3.7 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2003-2006 The ScummVM Team
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*/
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#if defined(PALMOS_MODE)
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#include "common/stdafx.h"
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#include "backends/fs/fs.h"
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#include <stdio.h>
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#include <stdlib.h>
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/*
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* Implementation of the ScummVM file system API based on PalmOS VFS API.
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*/
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class PalmOSFilesystemNode : public AbstractFilesystemNode {
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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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bool _isPseudoRoot;
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String _path;
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public:
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PalmOSFilesystemNode();
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PalmOSFilesystemNode(const Char *path);
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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(ListMode) const;
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virtual AbstractFilesystemNode *parent() const;
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private:
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static void addFile (FSList &list, ListMode mode, const Char *base, FileInfoType* find_data);
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};
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static const char *lastPathComponent(const Common::String &str) {
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const char *start = str.c_str();
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const char *cur = start + str.size() - 2;
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while (cur > start && *cur != '/') {
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--cur;
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}
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return cur + 1;
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}
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void PalmOSFilesystemNode::addFile(FSList &list, ListMode mode, const char *base, FileInfoType* find_data) {
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PalmOSFilesystemNode entry;
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bool isDirectory;
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isDirectory = (find_data->attributes & vfsFileAttrDirectory);
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if ((!isDirectory && mode == kListDirectoriesOnly) ||
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(isDirectory && mode == kListFilesOnly))
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return;
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entry._isDirectory = isDirectory;
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entry._displayName = find_data->nameP;
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entry._path = base;
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entry._path += find_data->nameP;
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if (entry._isDirectory)
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entry._path += "/";
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entry._isValid = true;
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entry._isPseudoRoot = false;
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list.push_back(wrap(new PalmOSFilesystemNode(entry)));
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}
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AbstractFilesystemNode *FilesystemNode::getRoot() {
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return new PalmOSFilesystemNode();
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}
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PalmOSFilesystemNode::PalmOSFilesystemNode() {
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_isDirectory = true;
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_displayName = "Root";
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_isValid = true;
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_path = "/";
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_isPseudoRoot = true;
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}
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FSList PalmOSFilesystemNode::listDir(ListMode mode) const {
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FSList myList;
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Err e;
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Char nameP[256];
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FileInfoType desc;
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FileRef handle;
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UInt32 dirIterator = expIteratorStart;
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desc.nameP = nameP;
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desc.nameBufLen = 256;
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e = VFSFileOpen(gVars->VFS.volRefNum, _path.c_str(), vfsModeRead, &handle);
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if (e)
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return myList;
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while(dirIterator != expIteratorStop) {
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e = VFSDirEntryEnumerate(handle, &dirIterator, &desc);
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if (!e) {
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addFile(myList, mode, _path.c_str(), &desc);
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}
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}
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VFSFileClose(handle);
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return myList;
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}
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AbstractFilesystemNode *PalmOSFilesystemNode::parent() const {
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PalmOSFilesystemNode *p = 0;
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if (!_isPseudoRoot) {
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const char *start = _path.c_str();
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const char *end = lastPathComponent(_path);
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p = new PalmOSFilesystemNode();
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p->_path = String(start, end - start);
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p->_isValid = true;
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p->_isDirectory = true;
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p->_displayName = lastPathComponent(p->_path);
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p->_isPseudoRoot =(p->_path == "/");
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}
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return p;
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}
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#endif // PALMOS_MODE
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