/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef GENERIC_MESSAGE_H
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#define GENERIC_MESSAGE_H
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#include <map>
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#include <string>
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using namespace std;
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/**
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* Class to represent a protobuf Message, where we don't actually
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* know what any of the fields are, just their type codes. In other
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* words, this losslessly stores a parsed protobuf object without
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* having the .proto file that generated it.
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*/
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class GenericMessage
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{
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public:
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GenericMessage();
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~GenericMessage();
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enum {
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TYPE_VALUE32,
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TYPE_VALUE64,
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TYPE_MESSAGE,
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TYPE_STRING,
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TYPE_DATA
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};
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struct Node {
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uint32_t type;
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union {
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uint32_t value32;
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uint64_t value64;
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GenericMessage* message;
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string* str;
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string* data;
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};
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};
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void addInt32(int32_t fieldId, uint32_t value);
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void addInt64(int32_t fieldId, uint64_t value);
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GenericMessage* addMessage(int32_t fieldId);
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void addString(int32_t fieldId, const string& value);
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typedef multimap<int32_t,Node>::const_iterator const_iterator;
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typedef pair<const_iterator,const_iterator> const_iterator_pair;
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const_iterator_pair find(int fieldId) const;
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private:
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multimap<int,Node> mNodes;
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};
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#endif // GENERIC_MESSAGE_H
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