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/*
* Copyright (C) 2016 The Android Open Source Project
*
* 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
*
* 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 GENERIC_MESSAGE_H
#define GENERIC_MESSAGE_H
#include <map>
#include <string>
using namespace std;
/**
* Class to represent a protobuf Message, where we don't actually
* know what any of the fields are, just their type codes. In other
* words, this losslessly stores a parsed protobuf object without
* having the .proto file that generated it.
*/
class GenericMessage
{
public:
GenericMessage();
~GenericMessage();
enum {
TYPE_VALUE32,
TYPE_VALUE64,
TYPE_MESSAGE,
TYPE_STRING,
TYPE_DATA
};
struct Node {
uint32_t type;
union {
uint32_t value32;
uint64_t value64;
GenericMessage* message;
string* str;
string* data;
};
};
void addInt32(int32_t fieldId, uint32_t value);
void addInt64(int32_t fieldId, uint64_t value);
GenericMessage* addMessage(int32_t fieldId);
void addString(int32_t fieldId, const string& value);
typedef multimap<int32_t,Node>::const_iterator const_iterator;
typedef pair<const_iterator,const_iterator> const_iterator_pair;
const_iterator_pair find(int fieldId) const;
private:
multimap<int,Node> mNodes;
};
#endif // GENERIC_MESSAGE_H