khanat-opennel-code/code/ryzom/client/src/interface_v3/interface_expr_node.h
2010-06-10 11:50:19 +02:00

123 lines
4.1 KiB
C++

// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#ifndef CL_INTERFACE_EXPR_NODE_H
#define CL_INTERFACE_EXPR_NODE_H
#include "interface_expr.h"
/** Base node of an interface expression parse tree
* \author Nicolas Vizerie
* \author Nevrax France
* \date 2003
*/
class CInterfaceExprNode
{
public:
virtual ~CInterfaceExprNode() {}
// eval result of expression, and eventually get the nodes the epression depends on
virtual void eval(CInterfaceExprValue &result) = 0;
// The same, but get db nodes the expression depends on (appended to vector)
virtual void evalWithDepends(CInterfaceExprValue &result, std::vector<ICDBNode *> &nodes) = 0;
// Get dependencies of the node (appended to vector)
virtual void getDepends(std::vector<ICDBNode *> &nodes) = 0;
};
// *******************************************************************************************************
/** A constant value already parsed by interface (in a interface expr parse tree)
*/
class CInterfaceExprNodeValue : public CInterfaceExprNode
{
public:
CInterfaceExprValue Value;
public:
virtual void eval(CInterfaceExprValue &result);
virtual void evalWithDepends(CInterfaceExprValue &result, std::vector<ICDBNode *> &nodes);
virtual void getDepends(std::vector<ICDBNode *> &nodes);
};
// *******************************************************************************************************
/** A fct call (in a interface expr parse tree)
*/
class CInterfaceExprNodeValueFnCall : public CInterfaceExprNode
{
public:
CInterfaceExpr::TUserFct Func;
// list of parameters
std::vector<CInterfaceExprNode *> Params;
public:
virtual void eval(CInterfaceExprValue &result);
virtual void evalWithDepends(CInterfaceExprValue &result, std::vector<ICDBNode *> &nodes);
virtual void getDepends(std::vector<ICDBNode *> &nodes);
virtual ~CInterfaceExprNodeValueFnCall();
};
// *******************************************************************************************************
/** A db leaf read (in a interface expr parse tree)
*/
class CInterfaceExprNodeDBLeaf : public CInterfaceExprNode
{
public:
class CCDBNodeLeaf *Leaf;
public:
virtual void eval(CInterfaceExprValue &result);
virtual void evalWithDepends(CInterfaceExprValue &result, std::vector<ICDBNode *> &nodes);
virtual void getDepends(std::vector<ICDBNode *> &nodes);
};
// *******************************************************************************************************
/** A db branch read (in a interface expr parse tree)
*/
class CInterfaceExprNodeDBBranch : public CInterfaceExprNode
{
public:
class CCDBNodeBranch *Branch;
public:
virtual void eval(CInterfaceExprValue &result);
virtual void evalWithDepends(CInterfaceExprValue &result, std::vector<ICDBNode *> &nodes);
virtual void getDepends(std::vector<ICDBNode *> &nodes);
};
// *******************************************************************************************************
/** A dependant db read (in a interface expr parse tree)
* This is rarely used so no real optim there..
*/
class CInterfaceExprNodeDependantDBRead : public CInterfaceExprNode
{
public:
std::string Expr;
public:
virtual void eval(CInterfaceExprValue &result);
virtual void evalWithDepends(CInterfaceExprValue &result, std::vector<ICDBNode *> &nodes);
virtual void getDepends(std::vector<ICDBNode *> &nodes);
};
#endif