node_assign.cpp
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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.
*/
#include "node_assign.h"
NodeAssign::NodeAssign(const uint32_t id, const string& name,
const string& type, const string& desc, const key_map_t& keymap)
: NodeBase(id, name, type, desc, keymap) {
}
NodeAssign::~NodeAssign(void) {
}
NodeBase* NodeAssign::run(base_script_t* param) {
const char* exit = EXIT_FAIL;
std::string ret = "";
IVR_TRACE("%s", enter(param->name_var_map).c_str());
map<string, variable_t>::iterator it = param->name_var_map.find(_result);
if (it == param->name_var_map.end()) {
IVR_WARN("未找到需要赋值的变量");
} else {
if (parse_expression(_exp, param->name_var_map, ret)) {
if (INT32 != it->second.type && STRING != it->second.type) {
IVR_WARN("变量%s 的类型不能被赋值", _result.c_str());
} else {
*(string*)it->second.pvalue = ret;
exit = EXIT_SUCC;
}
} else {
IVR_WARN("parse assign expression failed(%s)", _exp.c_str());
}
}
IVR_TRACE("%s exit from %s(%s)",
leave(param->name_var_map).c_str(), exit, ret.c_str());
return _exit_node_map[exit];
}
bool NodeAssign::load_other() {
return NodeBase::load_other()
&& valid_str(_key_map, PARAM_EXP, _exp, false)
&& valid_str(_key_map, PARAM_RESULT, _result);
}
const char* NodeAssign::PARAM_EXP = "exp";
const char* NodeAssign::PARAM_RESULT = "result";
std::string NodeAssign::enter(const map<string, variable_t>& vars)const {
ostringstream ostm;
ostm << NodeBase::enter(vars);
ostm << "Exp:" << _exp << ",result:" << _result;
return ostm.str();
}
std::string NodeAssign::leave(const map<string, variable_t>& vars)const {
ostringstream ostm;
ostm << NodeBase::leave(vars);
ostm << "Exp:" << _exp;
return ostm.str();
}