Logo Search packages:      
Sourcecode: scummvm version File versions  Download package

ps2-fs.cpp

/* ScummVM - Scumm Interpreter
 * Copyright (C) 2005 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $Header: /cvsroot/scummvm/scummvm/backends/fs/ps2/ps2-fs.cpp,v 1.3.2.2 2005/10/25 06:57:21 lavosspawn Exp $
 */

#include "../fs.h"
#include <kernel.h>
#include <stdio.h>
#include <stdlib.h>
#include <cdvd_rpc.h>

#define MAX_LIST_ENTRIES 512

class Ps2FilesystemNode : public AbstractFilesystemNode {
protected:
      String _displayName;
      bool _isDirectory;
      bool _isRoot;
      String _path;

public:
      Ps2FilesystemNode(void);
      Ps2FilesystemNode(const Ps2FilesystemNode *node);
      Ps2FilesystemNode(const String &path);

      virtual String displayName() const { return _displayName; }
      virtual bool isValid() const { return true; }
      virtual bool isDirectory() const { return _isDirectory; }
      virtual String path() const { return _path; }

      virtual FSList listDir(ListMode) const;
      virtual AbstractFilesystemNode *parent() const;
      virtual AbstractFilesystemNode *clone() const { return new Ps2FilesystemNode(this); }
};

AbstractFilesystemNode *FilesystemNode::getRoot(void) {
      return new Ps2FilesystemNode();
}

AbstractFilesystemNode *FilesystemNode::getNodeForPath(const String &path) {
      return new Ps2FilesystemNode(path);
}

Ps2FilesystemNode::Ps2FilesystemNode(void) {
      _isDirectory = true;
      _isRoot = true;
      _displayName = "CD Root";
      _path = "cdfs:";
}

Ps2FilesystemNode::Ps2FilesystemNode(const String &path) {
      if (strcmp(path.c_str(), "cdfs:") == 0)
            _isRoot = true;
      _path = path;
      const char *dsplName = NULL, *pos = path.c_str();
      while (*pos)
            if (*pos++ == '/')
                  dsplName = pos;
      _displayName = String(dsplName);
      _isDirectory = true;
}

Ps2FilesystemNode::Ps2FilesystemNode(const Ps2FilesystemNode *node) {
      _displayName = node->_displayName;
      _isDirectory = node->_isDirectory;
      _path = node->_path;
      _isRoot = node->_isRoot;
}

FSList Ps2FilesystemNode::listDir(ListMode mode) const {
      assert(_isDirectory);

      FSList myList;
      struct TocEntry *tocEntries = (struct TocEntry*)malloc(MAX_LIST_ENTRIES * sizeof(struct TocEntry));
      int files;
      char listDir[512];
      sprintf(listDir, "%s/", _path.c_str() + 5);

      switch(mode) {
            case kListFilesOnly:
                  files = CDVD_GetDir(listDir, NULL, CDVD_GET_FILES_ONLY, tocEntries, MAX_LIST_ENTRIES, NULL);
                  break;
            case kListDirectoriesOnly:
                  files = CDVD_GetDir(listDir, NULL, CDVD_GET_DIRS_ONLY, tocEntries, MAX_LIST_ENTRIES, NULL);
                  break;
            default:
                  files = CDVD_GetDir(listDir, NULL, CDVD_GET_FILES_AND_DIRS, tocEntries, MAX_LIST_ENTRIES, NULL);
                  break;
      }

      Ps2FilesystemNode dirEntry;
      for (int fCnt = 0; fCnt < files; fCnt++) {
            if (tocEntries[fCnt].filename[0] != '.') { // skip .. directory
                  dirEntry._isDirectory = (bool)(tocEntries[fCnt].fileProperties & 2);
                  dirEntry._isRoot = false;

                  dirEntry._path = _path;
                  dirEntry._path += "/";
                  dirEntry._path += tocEntries[fCnt].filename;

                  dirEntry._displayName = tocEntries[fCnt].filename;
                  myList.push_back(wrap(new Ps2FilesystemNode(&dirEntry)));
            }
      }
      free(tocEntries);
      return myList;
}

AbstractFilesystemNode *Ps2FilesystemNode::parent() const {
      if (_isRoot)
            return new Ps2FilesystemNode(this);

      Ps2FilesystemNode *p = new Ps2FilesystemNode();

      const char *slash = NULL;
      const char *cnt = _path.c_str();

      while (*cnt) {
            if (*cnt == '/')
                  slash = cnt;
            cnt++;
      }

      p->_path = String(_path.c_str(), slash - _path.c_str());
      p->_isDirectory = true;
      p->_displayName = slash + 1;
      return p;
}


Generated by  Doxygen 1.6.0   Back to index