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/*
* DataSink
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_DATA_SINK_H__
#define BOTAN_DATA_SINK_H__
#include <botan/filter.h>
#include <iosfwd>
namespace Botan {
/**
* This class represents abstract data sink objects.
*/
class BOTAN_DLL DataSink : public Filter
{
public:
bool attachable() { return false; }
DataSink() {}
virtual ~DataSink() {}
private:
DataSink& operator=(const DataSink&) { return (*this); }
DataSink(const DataSink&);
};
/**
* This class represents a data sink which writes its output to a stream.
*/
class BOTAN_DLL DataSink_Stream : public DataSink
{
public:
void write(const byte[], u32bit);
/**
* Construct a DataSink_Stream from a stream.
* @param stream the stream to write to
* @param name identifier
*/
DataSink_Stream(std::ostream& stream,
const std::string& name = "");
/**
* Construct a DataSink_Stream from a stream.
* @param file the name of the file to open a stream to
* @param use_binary indicates whether to treat the file
* as a binary file or not
*/
DataSink_Stream(const std::string& filename,
bool use_binary = false);
~DataSink_Stream();
private:
const std::string identifier;
const bool owner;
std::ostream* sink;
};
}
#endif
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