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sortix--sortix/sortix/linebuffer.h
2013-12-17 14:30:23 +01:00

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/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2012.
This file is part of Sortix.
Sortix is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later
version.
Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
details.
You should have received a copy of the GNU General Public License along with
Sortix. If not, see <http://www.gnu.org/licenses/>.
linebuffer.h
Provides a simple queue-like line buffering for terminals.
*******************************************************************************/
#ifndef SORTIX_LINEBUFFER_H
#define SORTIX_LINEBUFFER_H
namespace Sortix
{
class LineBuffer
{
public:
LineBuffer();
~LineBuffer();
public:
bool Push(uint32_t unicode);
uint32_t Pop();
uint32_t Peek() const;
uint32_t Backspace();
void Commit();
void Freeze();
bool CanPop() const;
bool CanBackspace() const;
private:
uint32_t* buffer;
size_t bufferlength;
size_t bufferoffset;
size_t buffercommitted;
size_t bufferfrozen;
size_t bufferused;
};
}
#endif