HttpUrlConnectionInputStream.hpp

/*
 *
 * HttpUrlConnectionInputStream
 * ledger-core
 *
 * Created by Pierre Pollastri on 15/02/2017.
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2016 Ledger
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 */
#ifndef LEDGER_CORE_HTTPURLCONNECTIONINPUTSTREAM_HPP
#define LEDGER_CORE_HTTPURLCONNECTIONINPUTSTREAM_HPP

#include "../api/HttpUrlConnection.hpp"
#include <vector>
#include <memory>

namespace ledger {
 namespace core {
     class HttpUrlConnectionInputStream {
     public:
         typedef char Ch;
         HttpUrlConnectionInputStream(const std::shared_ptr<api::HttpUrlConnection>& connection);
         Ch Peek();
         Ch Take();
         size_t Tell() const;
         Ch* PutBegin();
         void Put(Ch);
         void Flush();
         size_t PutEnd(Ch*);

     private:
         inline void refill();

     private:
         std::shared_ptr<api::HttpUrlConnection> _connection;
         std::vector<uint8_t> _buffer;
         off_t _index;
         off_t _offset;
     };
 }
}


#endif //LEDGER_CORE_HTTPURLCONNECTIONINPUTSTREAM_HPP