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130 lines
2.2 KiB
C++
130 lines
2.2 KiB
C++
//
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// Binary.h
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//
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// $Id$
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//
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// Library: MongoDB
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// Package: MongoDB
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// Module: Binary
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//
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// Definition of the Binary class.
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//
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// Copyright (c) 2012, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#ifndef MongoDB_Binary_INCLUDED
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#define MongoDB_Binary_INCLUDED
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#include "Poco/MongoDB/MongoDB.h"
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#include "Poco/MongoDB/Element.h"
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#include "Poco/Base64Encoder.h"
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#include "Poco/Buffer.h"
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#include "Poco/StreamCopier.h"
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#include "Poco/MemoryStream.h"
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#include <sstream>
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namespace Poco {
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namespace MongoDB {
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class MongoDB_API Binary
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/// Implements BSON Binary. It's a wrapper around a Poco::Buffer<unsigned char>.
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{
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public:
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typedef SharedPtr<Binary> Ptr;
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Binary();
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/// Constructor
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Binary(Poco::Int32 size, unsigned char subtype);
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/// Constructor
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virtual ~Binary();
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/// Destructor
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Buffer<unsigned char>& buffer();
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/// Returns a reference to the buffer
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unsigned char subtype() const;
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/// Returns the subtype
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void subtype(unsigned char type);
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/// Sets the subtype
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std::string toString(int indent = 0) const;
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/// Returns the binary encoded in Base64
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private:
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Buffer<unsigned char> _buffer;
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unsigned char _subtype;
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};
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inline unsigned char Binary::subtype() const
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{
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return _subtype;
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}
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inline void Binary::subtype(unsigned char type)
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{
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_subtype = type;
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}
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inline Buffer<unsigned char>& Binary::buffer()
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{
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return _buffer;
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}
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// BSON Embedded Document
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// spec: binary
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template<>
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struct ElementTraits<Binary::Ptr>
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{
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enum { TypeId = 0x05 };
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static std::string toString(const Binary::Ptr& value, int indent = 0)
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{
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return value.isNull() ? "" : value->toString();
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}
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};
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template<>
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inline void BSONReader::read<Binary::Ptr>(Binary::Ptr& to)
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{
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Poco::Int32 size;
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_reader >> size;
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to->buffer().resize(size);
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unsigned char subtype;
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_reader >> subtype;
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to->subtype(subtype);
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_reader.readRaw((char*) to->buffer().begin(), size);
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}
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template<>
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inline void BSONWriter::write<Binary::Ptr>(Binary::Ptr& from)
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{
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_writer << (Poco::Int32) from->buffer().size();
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_writer << from->subtype();
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_writer.writeRaw((char*) from->buffer().begin(), from->buffer().size());
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}
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} } // namespace Poco::MongoDB
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#endif // MongoDB_Binary_INCLUDED
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