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35 lines
1.0 KiB
C++
35 lines
1.0 KiB
C++
#pragma once
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#include "coding/reader.hpp"
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#include "coding/varint.hpp"
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#include "base/assert.hpp"
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#include "base/checked_cast.hpp"
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namespace coding_utils
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{
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// Type of collection size. Used for reading and writing collections.
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using CollectionSizeType = uint64_t;
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// WriteCollectionPrimitive writes collection. It uses WriteToSink function.
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template <typename Sink, typename Cont>
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void WriteCollectionPrimitive(Sink & sink, Cont const & container)
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{
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auto const contSize = base::checked_cast<CollectionSizeType>(container.size());
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WriteVarUint(sink, contSize);
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for (auto value : container)
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WriteToSink(sink, value);
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}
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// ReadCollectionPrimitive reads collection. It uses ReadPrimitiveFromSource function.
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template <typename Source, typename OutIt>
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void ReadCollectionPrimitive(Source & src, OutIt it)
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{
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using ValueType = typename OutIt::container_type::value_type;
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auto size = ReadVarUint<CollectionSizeType>(src);
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while (size--)
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*it++ = ReadPrimitiveFromSource<ValueType>(src);
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}
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} // namespace coding_utils
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