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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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 _StructHelper_
#define _StructHelper_
#include "qpid/Exception.h"
#include "qpid/CommonImportExport.h"
#include "qpid/framing/Buffer.h"
#include <stdlib.h> // For alloca
namespace qpid {
namespace framing {
class QPID_COMMON_CLASS_EXTERN StructHelper
{
public:
template <class T> void encode(const T t, std::string& data) {
uint32_t size = t.bodySize() + 2/*type*/;
data.resize(size);
Buffer wbuffer(const_cast<char*>(data.data()), size);
wbuffer.putShort(T::TYPE);
t.encodeStructBody(wbuffer);
}
template <class T> void decode(T& t, const std::string& data) {
Buffer rbuffer(const_cast<char*>(data.data()), data.length());
uint16_t type = rbuffer.getShort();
if (type == T::TYPE) {
t.decodeStructBody(rbuffer);
} else {
throw Exception("Type code does not match");
}
}
};
}}
#endif
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