1 files changed, 115 insertions, 0 deletions
diff --git a/backends/fs/posix/posix-fs.cpp b/backends/fs/posix/posix-fs.cpp
new file mode 100644
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+++ b/backends/fs/posix/posix-fs.cpp
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+/* 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.
+ *
+ * $Header$
+ */
+
+#if defined(UNIX)
+
+#include "../fs.h"
+
+#ifdef MACOSX
+#include <sys/types.h>
+#endif
+#include <dirent.h>
+
+/*
+ * Implementation of the ScummVM file system API based on POSIX.
+ */
+
+class POSIXFilesystemNode : public FilesystemNode {
+protected:
+	String _displayName;
+	bool _isDirectory;
+	bool _isValid;
+	String _path;
+	
+public:
+	POSIXFilesystemNode();
+	POSIXFilesystemNode(const String &path);
+	POSIXFilesystemNode(const POSIXFilesystemNode *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() const;
+	virtual FilesystemNode *parent() const;
+	virtual FilesystemNode *clone() const { return new POSIXFilesystemNode(this); }
+};
+
+
+FilesystemNode *FilesystemNode::getRoot() {
+	return new POSIXFilesystemNode();
+}
+
+POSIXFilesystemNode::POSIXFilesystemNode() {
+	_displayName = "/";
+	_isValid = true;
+	_isDirectory = true;
+	_path = "/";
+}
+
+/*
+POSIXFilesystemNode::POSIXFilesystemNode(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;
+}
+*/
+
+POSIXFilesystemNode::POSIXFilesystemNode(const POSIXFilesystemNode *node) {
+	_displayName = node->_displayName;
+	_isValid = node->_isValid;
+	_isDirectory = node->_isDirectory;
+	_path = node->_path;
+}
+
+FSList *POSIXFilesystemNode::listDir() const {
+	assert(_isDirectory);
+	DIR *dirp = opendir(_path.c_str());
+	assert(dirp != 0);
+
+	struct dirent *dp;
+	FSList *myList = new FSList();
+	
+	// ... loop over dir entries using readdir
+	while ((dp = readdir(dirp)) != NULL) {
+		POSIXFilesystemNode entry;
+		entry._displayName = dp->d_name;
+		entry._isDirectory = (dp->d_type == DT_DIR);	// TODO - add support for symlinks to dirs?
+
+		entry._path = _path;
+		entry._path += dp->d_name;
+		if (entry._isDirectory)
+			entry._path += "/";
+		myList->push_back(entry);
+	}
+	closedir(dirp);
+	return myList;
+}
+
+FilesystemNode *POSIXFilesystemNode::parent() const {
+	// TODO !!!
+	return 0;
+}
+
+#endif // defined(UNIX)