added: privileges (user, groups, permissions)

(not finished yet)
       classes: User, Group, Users, Groups, UGContainer
changed: Dir class into Dirs


git-svn-id: svn://ttmath.org/publicrep/cmslu/trunk@467 e52654a7-88a9-db11-a3e9-0013d4bc506e

core/dirs.h

@@ -0,0 +1,81 @@
+/*
+ * This file is a part of CMSLU -- Content Management System like Unix
+ * and is not publicly distributed
+ * 
+ * Copyright (c) 2008, Tomasz Sowa
+ * All rights reserved.
+ * 
+ */
+ 
+#ifndef headerfiledirs
+#define headerfiledirs
+
+
+#include <vector>
+#include <map>
+#include <string>
+#include "item.h"
+#include "error.h"
+#include "log.h"
+#include "db.h"
+#include "dircontainer.h"
+
+
+
+class Dirs
+{
+
+private:
+public: // !! temporarily
+
+
+	// id = -1;
+	Item root;
+
+
+	DirContainer dir_table;
+
+
+	// parent (or -1), item
+	//typedef std::multimap<long, Item> DirTable;
+	//DirTable dir_table;
+
+
+	bool ExtractName(const char * & s, std::string & name);
+
+
+	
+	
+public:
+
+	void Clear();
+	void ReadDirs();
+
+	// without any exceptions
+	// these methods return false in a case the path or name (with a specific parent) are invalid
+	// we do not support '..' in a path (for security reason)
+	
+	bool IsDir(long id);
+	
+	bool GetDir(const std::string & path,              Item ** item);
+	bool GetDir(const std::string & name, long parent, Item ** item);
+	
+	bool GetDirId(const std::string & path,              long * id);
+	bool GetDirId(const std::string & name, long parent, long * id);
+
+	bool GetDirChilds(long parent, std::vector<Item> & childs_table); // only returns dir-children
+
+	bool MakePath(long id, std::string & path);
+
+
+	// with an Error exception
+	// if the path or name are invalid these methods throw an exception
+	Item * GetDir(const std::string & path);
+	Item * GetDir(const std::string & name, long parent);
+	long GetDirId(const std::string & path);
+	long GetDirId(const std::string & name, long parent);
+
+};
+
+
+#endif