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/* ScummVM - Scumm Interpreter
* Copyright (C) 2001-2003 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.
*
* $Header$
*/
#if defined (__GP32__)
#include "../fs/fs.h"
#include "stdio.h"
extern "C" {
#include "gpstdio.h"
}
/*
* Implementation of the ScummVM file system API based on GP32.
*/
class GP32FilesystemNode : public FilesystemNode {
protected:
String _displayName;
bool _isDirectory;
bool _isValid;
String _path;
public:
GP32FilesystemNode();
GP32FilesystemNode(const String &path);
GP32FilesystemNode(const GP32FilesystemNode *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 mode = kListDirectoriesOnly) const;
virtual FilesystemNode *parent() const;
virtual FilesystemNode *clone() const { return new GP32FilesystemNode(this); }
};
FilesystemNode *FilesystemNode::getRoot() {
return new GP32FilesystemNode();
}
GP32FilesystemNode::GP32FilesystemNode() {
_displayName = "gp:\\";
_isValid = true;
_isDirectory = true;
_path = "gp:\\";
}
/*
GP32FilesystemNode::GP32FilesystemNode(const String &p) {
// TODO - extract last component from path
_displayName = p;
// TODO - check whether it is a directory, and whether the file actually exists
_isValid = true;
_isDirectory = true;
_path = p;
}
*/
GP32FilesystemNode::GP32FilesystemNode(const GP32FilesystemNode *node) {
_displayName = node->_displayName;
_isValid = node->_isValid;
_isDirectory = node->_isDirectory;
_path = node->_path;
}
FSList *GP32FilesystemNode::listDir(ListMode mode) const {
assert(_isDirectory);
GPDIRENTRY dp;
ulong read;
FSList *myList = new FSList();
int start=0; // current file
// ... loop over dir entries using readdir
while (GpDirEnumList(_path.c_str(), start++, 1, &dp, &read) == SM_OK) {
if (strcmp(dp.name,".")==0|| strcmp(dp.name,"..")==0) continue;
GP32FilesystemNode entry;
entry._displayName = dp.name;
entry._path = _path;
entry._path += dp.name;
GPFILEATTR attr;
char s[256];
sprintf(s, "%s%s", _path.c_str(), dp.name);
GpFileAttr(s, &attr);
entry._isDirectory = attr.attr & (1<<4);
// Honor the chosen mode
if ((mode == kListFilesOnly && entry._isDirectory) ||
(mode == kListDirectoriesOnly && !entry._isDirectory))
continue;
if (entry._isDirectory)
entry._path += "\\"; //ph0x
myList->push_back(entry);
}
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 != '\\') { //ph0x
--cur;
}
return cur+1;
}
FilesystemNode *GP32FilesystemNode::parent() const {
GP32FilesystemNode *p = new GP32FilesystemNode();
// Root node is its own parent. Still we can't just return this
// as the GUI code will call delete on the old node.
if (_path != "gp:\\") { //ph0x
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);
}
return p;
}
#endif // defined(__GP32__)
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