mirror of https://github.com/opencardev/aasdk
74 lines
1.8 KiB
C++
74 lines
1.8 KiB
C++
/*
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* This file is part of aasdk library project.
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* Copyright (C) 2018 f1x.studio (Michal Szwaj)
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*
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* aasdk is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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* aasdk is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with aasdk. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <cstring>
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#include <aasdk/Transport/DataSink.hpp>
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#include <aasdk/Error/Error.hpp>
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namespace aasdk
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{
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namespace transport
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{
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DataSink::DataSink()
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: data_(common::cStaticDataSize)
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{
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}
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common::DataBuffer DataSink::fill()
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{
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const auto offset = data_.size();
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data_.resize(data_.size() + cChunkSize);
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auto ptr = data_.is_linearized() ? &data_[offset] : data_.linearize() + offset;
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return common::DataBuffer(ptr, cChunkSize);
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}
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void DataSink::commit(common::Data::size_type size)
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{
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if(size > cChunkSize)
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{
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throw error::Error(error::ErrorCode::DATA_SINK_COMMIT_OVERFLOW);
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}
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data_.erase_end((cChunkSize - size));
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}
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common::Data::size_type DataSink::getAvailableSize()
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{
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return data_.size();
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}
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common::Data DataSink::consume(common::Data::size_type size)
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{
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if(size > data_.size())
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{
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throw error::Error(error::ErrorCode::DATA_SINK_CONSUME_UNDERFLOW);
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}
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common::Data data(size, 0);
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std::copy(data_.begin(), data_.begin() + size, data.begin());
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data_.erase_begin(size);
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return data;
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}
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}
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}
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