1 files changed, 152 insertions, 0 deletions
diff --git a/backends/gp32/gp-fs.cpp b/backends/gp32/gp-fs.cpp
new file mode 100644
index 0000000000..79173f2e83
--- /dev/null
+++ b/backends/gp32/gp-fs.cpp
@@ -0,0 +1,152 @@
+/* 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__)
+