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jakcron
76 lines
1.9 KiB
C++
76 lines
1.9 KiB
C++
/**
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* @file StreamSink.h
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* @brief Declaration of tc::io::StreamSink
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* @author Jack (jakcron)
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* @version 0.2
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* @date 2020/04/10
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**/
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#pragma once
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#include <tc/io/ISink.h>
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#include <tc/io/IStream.h>
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#include <tc/ArgumentNullException.h>
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#include <tc/ObjectDisposedException.h>
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#include <tc/NotSupportedException.h>
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#include <tc/io/IOException.h>
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namespace tc { namespace io {
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/**
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* @class StreamSink
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* @brief An IStream wrapped in an ISink.
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**/
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class StreamSink : public tc::io::ISink
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{
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public:
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/**
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* @brief Default constructor
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* @post This will create an unusable StreamSink, it will have to be assigned from a valid StreamSink object to be usable.
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**/
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StreamSink();
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/**
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* @brief Create StreamSink
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*
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* @param[in] stream The base IStream object which this sink will derive from.
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*
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* @pre The base stream must support writing.
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*
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* @throw tc::ArgumentNullException @p stream is a @p nullptr.
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* @throw tc::NotSupportedException @p stream does not support writing.
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**/
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StreamSink(const std::shared_ptr<tc::io::IStream>& stream);
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/**
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* @brief Gets the length of the sink.
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**/
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int64_t length();
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/**
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* @brief Sets the length of the sink.
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*
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* @param[in] length The desired length of the sink in bytes.
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*
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* @throw tc::ObjectDisposedException The base stream was not initialized.
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**/
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void setLength(int64_t length);
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/**
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* @brief Push data to the sink.
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*
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* @param[in] data Data to be pushed to the sink.
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* @param[in] offset Zero-based offset in sink to push data.
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*
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* @return Number of bytes pushed to sink.
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*
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* @throw tc::ObjectDisposedException The base stream was not initialized.
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* @throw tc::io::IOException Data was not written to base stream successfully.
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**/
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size_t pushData(const tc::ByteData& data, int64_t offset);
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private:
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static const std::string kClassName;
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std::shared_ptr<tc::io::IStream> mBaseStream;
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};
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}} // namespace tc::io
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