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123 lines
4.1 KiB
C++
123 lines
4.1 KiB
C++
// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef CL_INTERFACE_EXPR_NODE_H
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#define CL_INTERFACE_EXPR_NODE_H
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#include "interface_expr.h"
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/** Base node of an interface expression parse tree
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* \author Nicolas Vizerie
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* \author Nevrax France
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* \date 2003
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*/
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class CInterfaceExprNode
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{
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public:
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virtual ~CInterfaceExprNode() {}
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// eval result of expression, and eventually get the nodes the epression depends on
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virtual void eval(CInterfaceExprValue &result) = 0;
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// The same, but get db nodes the expression depends on (appended to vector)
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virtual void evalWithDepends(CInterfaceExprValue &result, std::vector<ICDBNode *> &nodes) = 0;
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// Get dependencies of the node (appended to vector)
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virtual void getDepends(std::vector<ICDBNode *> &nodes) = 0;
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};
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// *******************************************************************************************************
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/** A constant value already parsed by interface (in a interface expr parse tree)
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*/
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class CInterfaceExprNodeValue : public CInterfaceExprNode
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{
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public:
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CInterfaceExprValue Value;
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public:
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virtual void eval(CInterfaceExprValue &result);
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virtual void evalWithDepends(CInterfaceExprValue &result, std::vector<ICDBNode *> &nodes);
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virtual void getDepends(std::vector<ICDBNode *> &nodes);
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};
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// *******************************************************************************************************
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/** A fct call (in a interface expr parse tree)
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*/
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class CInterfaceExprNodeValueFnCall : public CInterfaceExprNode
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{
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public:
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CInterfaceExpr::TUserFct Func;
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// list of parameters
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std::vector<CInterfaceExprNode *> Params;
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public:
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virtual void eval(CInterfaceExprValue &result);
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virtual void evalWithDepends(CInterfaceExprValue &result, std::vector<ICDBNode *> &nodes);
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virtual void getDepends(std::vector<ICDBNode *> &nodes);
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virtual ~CInterfaceExprNodeValueFnCall();
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};
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// *******************************************************************************************************
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/** A db leaf read (in a interface expr parse tree)
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*/
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class CInterfaceExprNodeDBLeaf : public CInterfaceExprNode
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{
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public:
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class CCDBNodeLeaf *Leaf;
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public:
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virtual void eval(CInterfaceExprValue &result);
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virtual void evalWithDepends(CInterfaceExprValue &result, std::vector<ICDBNode *> &nodes);
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virtual void getDepends(std::vector<ICDBNode *> &nodes);
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};
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// *******************************************************************************************************
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/** A db branch read (in a interface expr parse tree)
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*/
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class CInterfaceExprNodeDBBranch : public CInterfaceExprNode
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{
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public:
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class CCDBNodeBranch *Branch;
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public:
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virtual void eval(CInterfaceExprValue &result);
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virtual void evalWithDepends(CInterfaceExprValue &result, std::vector<ICDBNode *> &nodes);
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virtual void getDepends(std::vector<ICDBNode *> &nodes);
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};
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// *******************************************************************************************************
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/** A dependant db read (in a interface expr parse tree)
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* This is rarely used so no real optim there..
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*/
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class CInterfaceExprNodeDependantDBRead : public CInterfaceExprNode
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{
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public:
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std::string Expr;
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public:
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virtual void eval(CInterfaceExprValue &result);
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virtual void evalWithDepends(CInterfaceExprValue &result, std::vector<ICDBNode *> &nodes);
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virtual void getDepends(std::vector<ICDBNode *> &nodes);
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};
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#endif
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