|
|
|
|
# -*- coding: utf-8 -*-
|
|
|
|
|
|
|
|
|
|
# Copyright (C) 2011 Niels Thykier <niels@thykier.net>
|
|
|
|
|
|
|
|
|
|
# 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 2 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.
|
|
|
|
|
|
|
|
|
|
import readline
|
|
|
|
|
import bisect
|
|
|
|
|
|
|
|
|
|
class Completer:
|
|
|
|
|
"""Completer class
|
|
|
|
|
|
|
|
|
|
This class provides a readline completer for the britney hint-tester
|
|
|
|
|
command-line interface.
|
|
|
|
|
"""
|
|
|
|
|
|
|
|
|
|
def __init__(self, britney):
|
|
|
|
|
"""Constructor
|
|
|
|
|
|
|
|
|
|
Creates a completer for a given britney.
|
|
|
|
|
"""
|
|
|
|
|
self.matches = []
|
|
|
|
|
self.cmds = ['easy', 'hint', 'force-hint', 'exit', 'quit']
|
|
|
|
|
self.britney = britney
|
|
|
|
|
self.packages = sorted(britney.generate_package_list())
|
|
|
|
|
|
|
|
|
|
def completer(self, text, state):
|
|
|
|
|
"""readline completer (see the readline API)"""
|
|
|
|
|
|
|
|
|
|
origline = readline.get_line_buffer()
|
|
|
|
|
words = origline.split()
|
|
|
|
|
|
|
|
|
|
if state < 1:
|
|
|
|
|
self.matches = []
|
|
|
|
|
if len(words) < 1 or words[0] == text:
|
|
|
|
|
# complete a command
|
|
|
|
|
self.matches = [x for x in self.cmds if x.startswith(text)]
|
|
|
|
|
else:
|
|
|
|
|
# complete pkg/[arch/]version
|
|
|
|
|
prefix = ''
|
|
|
|
|
if len(text) > 0 and text[0] == '-':
|
|
|
|
|
text = text[1:]
|
|
|
|
|
prefix = '-'
|
|
|
|
|
start = bisect.bisect_left(self.packages, text)
|
|
|
|
|
while start < len(self.packages):
|
|
|
|
|
if not self.packages[start].startswith(text):
|
|
|
|
|
break
|
|
|
|
|
self.matches.append(prefix + self.packages[start])
|
|
|
|
|
start += 1
|
|
|
|
|
|
|
|
|
|
if len(self.matches) > state:
|
|
|
|
|
return self.matches[state]
|
|
|
|
|
return None
|
|
|
|
|
|
