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jakcron
39 lines
842 B
C++
39 lines
842 B
C++
/**
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* @file ISource.h
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* @brief Declaration of tc::io::ISource
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* @author Jack (jakcron)
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* @version 0.1
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* @date 2020/01/27
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**/
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#pragma once
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#include <tc/types.h>
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#include <tc/ResourceStatus.h>
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#include <tc/ByteData.h>
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namespace tc { namespace io {
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/**
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* @class ISource
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* @brief An interface defining a byte data source.
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**/
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class ISource
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{
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public:
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/// Destructor
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virtual ~ISource() = default;
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/// Gets the length of the source.
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virtual int64_t length() = 0;
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/**
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* @brief Pull data from the source.
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*
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* @param[in] offset Zero-based offset in source to pull data.
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* @param[in] count The maximum number of bytes to be pull from the source.
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*
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* @return ByteData containing data pulled from source.
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**/
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virtual tc::ByteData pullData(int64_t offset, size_t count) = 0;
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};
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}} // namespace tc::io
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