node_jsonget.h 2.15 KB
/*
 * 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_JSONGET_H_
#define _NODE_JSONGET_H_

#include "node_base.h"

class NodeJsonGet : public NodeBase {
public:
    NodeJsonGet(const uint32_t id, const string& name,
                const string& type, const string& desc, const key_map_t& keymap);
    virtual ~NodeJsonGet(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 _input;          ///< node输入json串
    string _key;            ///< node查找的key值
    string _valuetype;      ///< node中获取值类型
    string _value;          ///< node查找到的key值
    string _reason;         ///< node中失败原因值

    const static char* PARAM_INPUT;
    const static char* PARAM_KEY;
    const static char* PARAM_VALUETYPE;
    const static char* PARAM_VALUE;
    const static char* PARAM_REASON;

    const static char* PARAMITEM_TYPE_STRING;
    const static char* PARAMITEM_TYPE_INT32;
    const static char* PARAMITEM_TYPE_BOOL;
};

#endif