Initial Commit

thirdparty/luaplus/Src/LuaPlus/LuaStackTableIterator.h

@@ -0,0 +1,59 @@
+///////////////////////////////////////////////////////////////////////////////
+// This source file is part of the LuaPlus source distribution and is Copyright
+// 2001-2011 by Joshua C. Jensen (jjensen@workspacewhiz.com).
+//
+// The latest version may be obtained from http://luaplus.org/.
+//
+// The code presented in this file may be used in any environment it is
+// acceptable to use Lua.
+///////////////////////////////////////////////////////////////////////////////
+#ifndef LUAPLUS__LUASTACKTABLEITERATOR_H
+#define LUAPLUS__LUASTACKTABLEITERATOR_H
+
+#include "LuaStackObject.h"
+
+///////////////////////////////////////////////////////////////////////////////
+// namespace LuaPlus
+///////////////////////////////////////////////////////////////////////////////
+namespace LuaPlus
+{
+
+/**
+	The LuaStackTableIterator class provides a far simpler, safer, and more natural
+	looking table iteration method.  The iterator is not STL compliant,
+	although it could easily be made so.
+**/
+class LuaStackTableIterator
+{
+public:
+	LuaStackTableIterator(LuaStackObject& tableObj, bool doReset = true, bool autoStackManagement = true);
+	~LuaStackTableIterator();
+	void Reset();
+	void Invalidate();
+	bool Next();
+	bool IsValid() const;
+	LuaStackTableIterator& operator++();
+	operator bool() const;
+	LuaStackObject GetKey();
+	LuaStackObject GetValue();
+
+protected:
+
+private:
+	/**
+		Don't allow copies.  The stack will get screwed.
+	**/ 
+	LuaStackTableIterator& operator=(const LuaStackTableIterator& iter);
+	LuaStackTableIterator(const LuaStackTableIterator& iter);
+
+	lua_State* L;
+	int stackIndex;
+	int startStackIndex;				///< The current starting stack index or -1 if the iterator is invalid.
+	bool autoStackManagement;			///< Auto stack management enabled or not?
+};
+
+} // namespace LuaPlus
+
+#include "LuaStackTableIterator.inl"
+
+#endif // LUAPLUS__LUASTACKTABLEITERATOR_H