node_assign.h
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/*
* Copyright 2002-2014 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* CC/LICENSE
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _NODE_ASSIGN_H_
#define _NODE_ASSIGN_H_
#include "node_base.h"
class NodeAssign : public NodeBase {
public:
NodeAssign(const uint32_t id, const string& name,
const string& type, const string& desc, const key_map_t& keymap);
virtual ~NodeAssign(void);
virtual NodeBase* run(base_script_t* param);
virtual bool load_other();
/**
* @brief
*
* @param [in/out] map<string : const
* @param [in/out] vars : variable_t>&
* @return const char*
* @retval
* @see
* @note
* @author chenyuzhen
* @date 2011/09/02 11:14:15
**/
virtual std::string enter(const map<string, variable_t>& vars)const ;
/**
* @brief
*
* @param [in/out] map<string : const
* @param [in/out] vars : variable_t>&
* @return const char*
* @retval
* @see
* @note
* @author chenyuzhen
* @date 2011/09/02 11:14:19
**/
virtual std::string leave(const map<string, variable_t>& vars)const ;
private:
string _exp; ///< node中的计算表达式
string _result; ///< node中存放计算结果的变量名称
const static char* PARAM_EXP;
const static char* PARAM_RESULT;
};
#endif