59 lines
1.4 KiB
C++
59 lines
1.4 KiB
C++
/*
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* Copyright (c) 2012, 2013, 2014 Jonas 'Sortie' Termansen.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* linebuffer.h
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* Provides a simple queue-like line buffering for terminals.
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*/
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#ifndef SORTIX_LINEBUFFER_H
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#define SORTIX_LINEBUFFER_H
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#include <stddef.h>
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#include <stdint.h>
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namespace Sortix {
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class LineBuffer
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{
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public:
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LineBuffer();
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~LineBuffer();
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public:
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bool Push(uint32_t unicode);
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uint32_t Pop();
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uint32_t Peek() const;
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uint32_t Backspace();
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uint32_t WouldBackspace() const;
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void Commit();
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void Freeze();
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bool CanPop() const;
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bool CanBackspace() const;
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void Flush();
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private:
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uint32_t* buffer;
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size_t bufferlength;
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size_t bufferoffset;
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size_t buffercommitted;
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size_t bufferfrozen;
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size_t bufferused;
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};
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} // namespace Sortix
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#endif
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