************************************************************

* Merged Source Code from Development Trunk: Revision 4063 * ************************************************************ - Source Code is merged from: https://81.169.133.124/source/ja2/branches/Wanne/JA2%201.13%20MP - This will be the Source for the Beta 2011 Test git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@4064 3b4a5df2-a311-0410-b5c6-a8a6f20db521
2026-07-29 13:52:17 +02:00 · 2011-01-18 09:11:09 +00:00
parent 44e1646410
commit 91087ca8c0
469 changed files with 118108 additions and 24678 deletions
@@ -0,0 +1,128 @@
+#ifndef _LUA_TABLE_H_
+#define _LUA_TABLE_H_
+
+#include "lua/lua_state.h"
+
+class LuaTable
+{
+public:
+	/**
+	 * Create new table 
+	 */
+	LuaTable(LuaState L);
+
+	/**
+	 * Bind to table at stack offset 'st_off'
+	 */
+	LuaTable(LuaState L, int st_off);
+
+	/**
+	 * Bind to table with global name 'global'
+	 */
+	LuaTable(LuaState L, const char* global);
+
+	/**
+	 * Bind to table value 'index' of table 'table'
+	 */
+	LuaTable(LuaTable& table, const char* index);
+
+	/**
+	 * Bind to table value 'index' of table 'table'
+	 */ 
+	LuaTable(LuaTable& table, int index);
+
+	////////////////////////////////////////////////////////////////////////
+
+	/**
+	 * get value at given index; default implementation for standard types exists
+	 * @return true if value at index exists and has required type, false otherwise
+	 */
+	template<typename T>
+	bool getValue(const char* index, T& value);
+
+	/**
+	 * get value at given index; default implementation for standard types exists
+	 * @return true if value at index exists and has required type, false otherwise
+	 */
+	template<typename T>
+	bool getValue(int index, T& value);
+
+	/**
+	 * If value has not standard type, then the default implementation expects it to be user data.
+	 * The userdata object itself must inherit from the 'LuaInterface' class.
+	 * @return object if it has correct type, NULL otherwise
+	 */
+	template<typename T>
+	T* getValue(const char* index)
+	{
+		if(is_valid())
+		{
+			lua_getfield(_L(), _off, index);
+			T* value = LuaInterface::luaGetTypedUserData<T>(_L, -1);
+			return value;
+		}
+		return NULL;
+	}
+
+	/**
+	 * set value at given index 
+	 * @return false if table object is invalid, true otherwise
+	 */
+	template<typename T>
+	bool setValue(const char* index, T const& value);
+
+	/**
+	 * set value at given index 
+	 * @return false if table object is invalid, true otherwise
+	 */
+	template<typename T>
+	bool setValue(int index, T const& value);
+
+	////////////////////////////////////////////////////////////////////////
+
+	/**
+	 * is it a table at offset '_off'
+	 */ 
+	bool is_valid();
+
+	/**
+	 * returns size of table as determined by the "#" operator
+	 */
+	int length();
+
+private:
+	LuaState	_L;
+	int			_off;
+};
+
+/////////////////////
+// default implementation for 'getValue(const char*, xxx)'
+template<> bool LuaTable::getValue<std::string> (const char* index, std::string& value);
+template<> bool LuaTable::getValue<double>      (const char* index, double& value);
+template<> bool LuaTable::getValue<int>         (const char* index, int& value);
+template<> bool LuaTable::getValue<unsigned int>(const char* index, unsigned int& value);
+template<> bool LuaTable::getValue<bool>        (const char* index, bool& value);
+
+// default implementation for 'getValue(int, xxx)'
+template<> bool LuaTable::getValue<std::string> (int index, std::string& value);
+template<> bool LuaTable::getValue<double>      (int index, double& value);
+template<> bool LuaTable::getValue<int>         (int index, int& value);
+template<> bool LuaTable::getValue<unsigned int>(int index, unsigned int& value);
+template<> bool LuaTable::getValue<bool>        (int index, bool& value);
+
+/////////////////////
+// default implementation for 'setValue(const char*, xxx)'
+template<> bool LuaTable::setValue<std::string> (const char* index, std::string const& value);
+template<> bool LuaTable::setValue<double>      (const char* index, double const& value);
+template<> bool LuaTable::setValue<int>         (const char* index, int const& value);
+template<> bool LuaTable::setValue<unsigned int>(const char* index, unsigned int const& value);
+template<> bool LuaTable::setValue<bool>        (const char* index, bool const& value);
+
+// default implementation for 'setValue(int*, xxx)'
+template<> bool LuaTable::setValue<std::string> (int index, std::string const& value);
+template<> bool LuaTable::setValue<double>      (int index, double const& value);
+template<> bool LuaTable::setValue<int>         (int index, int const& value);
+template<> bool LuaTable::setValue<unsigned int>(int index, unsigned int const& value);
+template<> bool LuaTable::setValue<bool>        (int index, bool const& value);
+
+#endif // _LUA_TABLE_H_