From 1efa0a94be1f27585740cbb90d44130fc9691d01 Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Tue, 10 Sep 2013 10:02:56 +0200 Subject: split out killring MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- src/killring.py | 80 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 src/killring.py (limited to 'src/killring.py') diff --git a/src/killring.py b/src/killring.py new file mode 100644 index 0000000..b47a04f --- /dev/null +++ b/src/killring.py @@ -0,0 +1,80 @@ +#!/usr/bin/env python3 +# -*- coding: utf-8 -*- +''' +featherweight – A lightweight terminal news feed reader + +Copyright © 2013 Mattias Andrée (maandree@member.fsf.org) + +This program 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. + +This program 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 this program. If not, see . +''' + + +class Killring(): + ''' + Killring class + ''' + + def __init__(self, limit = 50): + ''' + Constructor + + @param limit:int The maximum size of the killring + ''' + self.killring, self.killmax, self.killptr = [], limit, 0 + + + def add(self, text): + ''' + Add a text to the killring + + @param text:str The text to add + ''' + self.killring.append(text) + if len(self.killring) > self.killmax: + self.killring[:] = self.killring[1:] + + + def is_empty(self): + ''' + Checks if the killring is empty + + @return :bool Whether the killring is empty + ''' + return len(self.killring) == 0 + + + def reset(self): + ''' + Resets the killring pointer + ''' + self.killptr = len(self.killring) - 1 + + + def next(self): + ''' + Get to the next item in the killring + ''' + self.killptr -= 1 + if self.killptr < 0: + self.killptr += len(self.killring) + + + def get(self): + ''' + Gets the current item in the killring + + @return :str The current item in the killring + ''' + return self.killring[self.killptr] + -- cgit v1.2.3-70-g09d2