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Diffstat (limited to 'libbackend-elements/backend-elements/indentation/buffer.hxx')
-rw-r--r-- | libbackend-elements/backend-elements/indentation/buffer.hxx | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/libbackend-elements/backend-elements/indentation/buffer.hxx b/libbackend-elements/backend-elements/indentation/buffer.hxx new file mode 100644 index 0000000..7058814 --- /dev/null +++ b/libbackend-elements/backend-elements/indentation/buffer.hxx @@ -0,0 +1,61 @@ +// 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 |