[Scummvm-cvs-logs] CVS: scummvm/backends/fs/palmos palmos-fs.cpp,NONE,1.1
Max Horn
fingolfin at users.sourceforge.net
Wed Apr 30 04:38:06 CEST 2003
Update of /cvsroot/scummvm/scummvm/backends/fs/palmos
In directory sc8-pr-cvs1:/tmp/cvs-serv3196
Added Files:
palmos-fs.cpp
Log Message:
started to merge in Chrilith's PalmOS port
--- NEW FILE: palmos-fs.cpp ---
/* ScummVM - Scumm Interpreter
* Copyright (C) 2002 The ScummVM project
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header: /cvsroot/scummvm/scummvm/backends/fs/palmos/palmos-fs.cpp,v 1.1 2003/04/30 11:37:10 fingolfin Exp $
*/
#if defined(__PALMOS_TRAPS__)
#include "../fs.h"
#include <stdio.h>
#include <stdlib.h>
/*
* Implementation of the ScummVM file system API based on PalmOS VFS API.
*/
class PalmOSFilesystemNode : public FilesystemNode {
protected:
String _displayName;
bool _isDirectory;
bool _isValid;
bool _isPseudoRoot;
String _path;
public:
PalmOSFilesystemNode();
PalmOSFilesystemNode(const Char *path);
PalmOSFilesystemNode(const PalmOSFilesystemNode *node);
virtual String displayName() const { return _displayName; }
virtual bool isValid() const { return _isValid; }
virtual bool isDirectory() const { return _isDirectory; }
virtual String path() const { return _path; }
virtual FSList *listDir(ListMode) const;
virtual FilesystemNode *parent() const;
virtual FilesystemNode *clone() const { return new PalmOSFilesystemNode(this); }
private:
static void addFile (FSList* list, ListMode mode, const Char *base, FileInfoType* find_data);
};
void PalmOSFilesystemNode::addFile (FSList* list, ListMode mode, const char *base, FileInfoType* find_data) {
PalmOSFilesystemNode entry;
bool isDirectory;
isDirectory = (find_data->attributes & vfsFileAttrDirectory);
if ((!isDirectory && mode == kListDirectoriesOnly) ||
(isDirectory && mode == kListFilesOnly))
return;
entry._isDirectory = isDirectory;
entry._displayName = find_data->nameP;
entry._path = base;
entry._path += find_data->nameP;
if (entry._isDirectory)
entry._path += "/";
entry._isValid = true;
entry._isPseudoRoot = false;
list->push_back(entry);
}
FilesystemNode *FilesystemNode::getRoot() {
return new PalmOSFilesystemNode();
}
PalmOSFilesystemNode::PalmOSFilesystemNode() {
_isDirectory = true;
_displayName = "Root";
_isValid = true;
_path = "/";
_isPseudoRoot = true;
}
PalmOSFilesystemNode::PalmOSFilesystemNode(const PalmOSFilesystemNode *node) {
_displayName = node->_displayName;
_isDirectory = node->_isDirectory;
_isValid = node->_isValid;
_isPseudoRoot = node->_isPseudoRoot;
_path = node->_path;
}
FSList *PalmOSFilesystemNode::listDir(ListMode mode) const {
FSList *myList = new FSList();
Err e;
Char nameP[256];
FileInfoType desc;
FileRef handle;
UInt32 dirIterator = expIteratorStart;
desc.nameP = nameP;
desc.nameBufLen = 256;
e = VFSFileOpen(gVars->volRefNum, _path.c_str(), vfsModeRead, &handle);
if (e)
return myList;
while(dirIterator != expIteratorStop) {
e = VFSDirEntryEnumerate(handle, &dirIterator, &desc);
if (!e) {
addFile(myList, mode, _path.c_str(), &desc);
}
}
VFSFileClose(handle);
return myList;
}
const char *lastPathComponent(const ScummVM::String &str) {
const char *start = str.c_str();
const char *cur = start + str.size() - 2;
while (cur > start && *cur != '/') {
--cur;
}
return cur+1;
}
FilesystemNode *PalmOSFilesystemNode::parent() const {
PalmOSFilesystemNode *p = new PalmOSFilesystemNode();
if (!_isPseudoRoot) {
const char *start = _path.c_str();
const char *end = lastPathComponent(_path);
p->_path = String(start, end - start);
p->_isValid = true;
p->_isDirectory = true;
p->_displayName = lastPathComponent(p->_path);
p->_isPseudoRoot =(p->_path == "/");
}
return p;
}
#endif // __PALMOS_TRAPS__
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