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/* ScummVM - Scumm Interpreter
* Copyright (C) 2001-2006 The ScummVM project
* Copyright (C) 2002 Ph0x - GP32 Backend
* Copyright (C) 2003-2004 DJWillis - GP32 Backend
* Copyright (C) 2005-2006 Won Star - GP32 Backend
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#include "stdafx.h"
#include "backends/fs/abstract-fs.h"
class GP32FilesystemNode : public AbstractFilesystemNode {
protected:
String _displayName;
bool _isDirectory;
bool _isRoot;
String _path;
public:
GP32FilesystemNode();
GP32FilesystemNode(const String &path);
virtual String displayName() const { return _displayName; }
virtual String name() const { return _displayName; }
// FIXME: isValid should return false if this Node can't be used!
// client code can rely on the return value.
virtual bool isValid() const { return true; }
virtual bool isDirectory() const { return _isDirectory; }
virtual String path() const { return _path; }
virtual bool listDir(AbstractFSList &list, ListMode mode) const;
virtual AbstractFilesystemNode *parent() const;
virtual AbstractFilesystemNode *child(const String &n) const;
};
#define MAX_PATH_SIZE 256
const char gpRootPath[] = "gp:\\";
//char gpCurrentPath[MAX_PATH_SIZE] = "gp:\\"; // must end with '\'
int gpMakePath(const char *path, char *convPath) {
// copy root or current directory
const char *p;
if ((*path == '/') || (*path == '\\')) {
path++;
p = gpRootPath;
while (*p)
*convPath++ = *p++;
}// else
// p = gpCurrentPath;
//while (*p)
// *convPath++ = *p++;
// add filenames/directories. remove "." & "..", replace "/" with "\"
do {
switch (*path) {
case 0:
case '/':
case '\\':
if (*(convPath - 1) == '\\') {
// already ends with '\'
} else if ((*(convPath - 2) == '\\') && (*(convPath - 1) == '.')) {
convPath--; // remove '.' and end with '\'
} else if ((*(convPath - 3) == '\\') && (*(convPath - 2) == '.') && (*(convPath - 1) == '.')) {
convPath -= 3; // remove "\.."
if (*(convPath - 1) == ':')
*convPath++ = '\\'; // "gp:" -> "gp:\"
else
while (*(convPath - 1) != '\\')
convPath--; // remove one directory and end with '\'
} else {
*convPath++ = '\\'; // just add '\'
}
break;
default:
*convPath++ = *path;
break;
}
} while (*path++);
*convPath = '\\';
// *--convPath = 0; // remove last '\' and null-terminate
*convPath = 0; // remove last '\' and null-terminate
return 0;
}
AbstractFilesystemNode *AbstractFilesystemNode::getCurrentDirectory() {
return AbstractFilesystemNode::getRoot();
}
AbstractFilesystemNode *AbstractFilesystemNode::getRoot() {
return new GP32FilesystemNode();
}
AbstractFilesystemNode *AbstractFilesystemNode::getNodeForPath(const String &path) {
return new GP32FilesystemNode(path);
}
GP32FilesystemNode::GP32FilesystemNode() {
_isDirectory = true;
_isRoot = true;
_displayName = "GP32 Root";
_path = "gp:\\";
}
GP32FilesystemNode::GP32FilesystemNode(const String &path) {
const char *dsplName = NULL, *pos = NULL;
char convPath[256];
gpMakePath(path.c_str(), convPath);
_path = convPath;
pos = convPath;
while (*pos)
if (*pos++ == '\\')
dsplName = pos;
BP("FS: path name: %s", path.c_str());
if (strcmp(path.c_str(), "gp:\\") == 0) {
_isRoot = true;
_displayName = "GP32 Root";
} else {
_isRoot = false;
_displayName = String(dsplName);
}
_isDirectory = true;
}
bool GP32FilesystemNode::listDir(AbstractFSList &myList, ListMode mode) const {
assert(_isDirectory);
GPDIRENTRY dirEntry;
GPFILEATTR attr;
GP32FilesystemNode entry;
uint32 read;
if (mode == FilesystemNode::kListAll)
LP("listDir(kListAll)");
else
LP("listDir(kListDirectoriesOnly)");
int startIdx = 0; // current file
String listDir(_path);
//listDir += "/";
while (GpDirEnumList(listDir.c_str(), startIdx++, 1, &dirEntry, &read) == SM_OK) {
if (dirEntry.name[0] == '.')
continue;
entry._displayName = dirEntry.name;
entry._path = _path;
entry._path += dirEntry.name;
entry._isRoot = false;
GpFileAttr(entry._path.c_str(), &attr);
entry._isDirectory = attr.attr & (1 << 4);
// Honor the chosen mode
if ((mode == FilesystemNode::kListFilesOnly && entry._isDirectory) ||
(mode == FilesystemNode::kListDirectoriesOnly && !entry._isDirectory))
continue;
if (entry._isDirectory)
entry._path += "\\";
myList.push_back(new GP32FilesystemNode(entry));
}
BP("Dir... %s", listDir.c_str());
return true;
}
static const char *lastPathComponent(const Common::String &str) {
const char *start = str.c_str();
const char *cur = start + str.size() - 2;
while (cur >= start && *cur != '\\') {
--cur;
}
return cur + 1;
}
AbstractFilesystemNode *GP32FilesystemNode::parent() const {
if(_isRoot)
return 0;
const char *start = _path.c_str();
const char *end = lastPathComponent(_path);
GP32FilesystemNode *p = new GP32FilesystemNode(String(start, end - start));
NP("%s", p->_path.c_str());
return p;
}
AbstractFilesystemNode *GP32FilesystemNode::child(const String &n) const {
// FIXME: Pretty lame implementation! We do no error checking to speak
// of, do not check if this is a special node, etc.
assert(_isDirectory);
String newPath(_path);
if (_path.lastChar() != '\\')
newPath += '\\';
newPath += n;
GP32FilesystemNode *p = new GP32FilesystemNode(newPath);
return p;
}
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