/// <summary>
/// Gets the value of a field of a table and returns it as type object i.e. return luaTable.someField
/// After the call the lua stack is balanced
/// </summary>
/// <param name="tableName">name of lua table</param>
/// <param name="fieldName">name of table field</param>
/// <returns>returns luaTable.someField</returns>
public object GetTableField(string tableName, string fieldName)
{
//push table on the stack
Lua.lua_getglobal(L, tableName);
if (IsTopNil)
{
throw new Exception("GetTableField, the table does not exist: " + tableName);
}
//push table field name on the stack
Lua.lua_pushstring(L, fieldName);
//get value of field of table: get tableName[fieldName]
Lua.lua_gettable(L, -2);
//get the result of the stack
int luaType = 0;
object value = GetValueOfStack(out luaType);
//pop table of the stack
Lua.lua_pop(L, 1);
//stack is balanced
return(value);
}
/// <summary>
/// Gets the value of a field of a lua table and returns it as type object i.e. return luaTable.someField
/// The table to operate on must currently be on top of the lua stack.
/// After the call the lua table is still on top of the stack
/// </summary>
/// <param name="fieldName">
/// the name of the field, belonging to a lua table currently sitting on
/// top of the lua stack
/// </param>
/// <returns>returns luaTable.someField</returns>
public object GetTableField(string fieldName)
{
if (IsTopNil)
{
throw new Exception("GetTableField, no table on top of stack");
}
//push table field name on the stack
Lua.lua_pushstring(L, fieldName);
//get value of field of table: get tableName[fieldName]
Lua.lua_gettable(L, -2);
//get the result of the stack
int luaType = 0;
object value = GetValueOfStack(out luaType);
//table is still on top of the stack
return(value);
}
