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// file : backend-elements/indentation/buffer.hxx
// author : Boris Kolpackov <boris@kolpackov.net>
// copyright : Copyright (c) 2005-2010 Boris Kolpackov
// license : GNU GPL v2 + exceptions; see accompanying LICENSE file
#ifndef BACKEND_ELEMENTS_INDENTATION_BUFFER_HXX
#define BACKEND_ELEMENTS_INDENTATION_BUFFER_HXX
#include <backend-elements/types.hxx>
#include <string>
namespace BackendElements
{
namespace Indentation
{
template <typename C>
class Buffer: public NonCopyable
{
public:
struct Write {};
public:
virtual
~Buffer ()
{
}
public:
typedef
std::char_traits<C>
Traits;
typedef
typename Traits::char_type
AsChar;
typedef
typename Traits::int_type
AsInt;
public:
virtual AsInt
put (AsChar c) = 0;
// Unbuffer flushes internal formatting buffers (if any).
// Note that unbuffer is not exactly flushing since it can
// result in formatting errors and in general can not be
// called at arbitrary points. Natural use case would be
// to call unbuffer at the end of the stream when no more
// data is expected.
//
virtual Void
unbuffer () = 0;
};
}
}
#include <backend-elements/indentation/buffer.txx>
#endif // BACKEND_ELEMENTS_INDENTATION_BUFFER_HXX
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