mirror of
https://github.com/pocoproject/poco.git
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154 lines
3.4 KiB
C++
154 lines
3.4 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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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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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 << 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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