Playstation2 Port: initial import

svn-id: r17305

1 files changed, 144 insertions, 0 deletions

diff --git a/backends/fs/ps2/ps2-fs.cpp b/backends/fs/ps2/ps2-fs.cpp
new file mode 100644
index 0000000000..52bdc30675
--- /dev/null
+++ b/backends/fs/ps2/ps2-fs.cpp
@@ -0,0 +1,144 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2002-2004 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.
+ *
+ * $Header$
+ */
+
+#include "../fs.h"
+#include <kernel.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <cdvd_rpc.h>
+
+#define MAX_LIST_ENTRIES 64
+
+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[MAX_LIST_ENTRIES];
+	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)));
+		}
+	}
+	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;
+}
+