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Diffstat (limited to 'qpid/cpp/src/qpid/framing/StructHelper.h')
-rw-r--r-- | qpid/cpp/src/qpid/framing/StructHelper.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/framing/StructHelper.h b/qpid/cpp/src/qpid/framing/StructHelper.h new file mode 100644 index 0000000000..fe2fa64ce7 --- /dev/null +++ b/qpid/cpp/src/qpid/framing/StructHelper.h @@ -0,0 +1,57 @@ +/* + * + * 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 |