#!/usr/bin/env ruby
# encoding: utf-8
#
# ____ ____
# / __/___ / __/
# / /_/_ / / /_
# / __/ / /_/ __/
# /_/ /___/_/ Fuzzy finder for your shell
#
# Version: 0.7.0-devel (January 30, 2014)
#
# Author: Junegunn Choi
# URL: https://github.com/junegunn/fzf
# License: MIT
#
# Copyright (c) 2013 Junegunn Choi
#
# MIT License
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
require 'thread'
require 'curses'
require 'set'
unless String.method_defined? :force_encoding
class String
def force_encoding *arg
self
end
end
end
class FZF
C = Curses
attr_reader :rxflag, :sort, :color, :multi, :query, :extended
class AtomicVar
def initialize value
@value = value
@mutex = Mutex.new
end
def get
@mutex.synchronize { @value }
end
def set value = nil
if block_given?
@mutex.synchronize { @value = yield @value }
else
@mutex.synchronize { @value = value }
end
end
def method_missing sym, *args, &blk
@mutex.synchronize { @value.send(sym, *args, &blk) }
end
end
def initialize argv, source = $stdin
@rxflag = nil
@sort = ENV.fetch('FZF_DEFAULT_SORT', 1000).to_i
@color = true
@multi = false
@extended = false
argv =
if opts = ENV['FZF_DEFAULT_OPTS']
require 'shellwords'
Shellwords.shellwords(opts) + argv
else
argv.dup
end
while o = argv.shift
case o
when '--version' then version
when '-h', '--help' then usage 0
when '-m', '--multi' then @multi = true
when '+m', '--no-multi' then @multi = false
when '-x', '--extended' then @extended = true
when '+x', '--no-extended' then @extended = false
when '-i' then @rxflag = Regexp::IGNORECASE
when '+i' then @rxflag = 0
when '-c', '--color' then @color = true
when '+c', '--no-color' then @color = false
when '+s', '--no-sort' then @sort = nil
when '-q', '--query'
usage 1, 'query string required' unless query = argv.shift
@query = AtomicVar.new query.dup
when /^-q(.*)$/, /^--query=(.*)$/
@query = AtomicVar.new($1)
when '-s', '--sort'
usage 1, 'sort size required' unless sort = argv.shift
usage 1, 'invalid sort size' unless sort =~ /^[0-9]+$/
@sort = sort.to_i
when /^-s([0-9]+)$/, /^--sort=([0-9]+)$/
@sort = $1.to_i
else
usage 1, "illegal option: #{o}"
end
end
@source = source.clone
@mtx = Mutex.new
@cv = ConditionVariable.new
@events = {}
@new = []
@queue = Queue.new
@query ||= AtomicVar.new('')
@cursor_x = AtomicVar.new(@query.length)
@matches = AtomicVar.new([])
@count = AtomicVar.new(0)
@vcursor = AtomicVar.new(0)
@vcursors = AtomicVar.new(Set.new)
@spinner = AtomicVar.new('-\|/-\|/'.split(//))
@selects = AtomicVar.new({}) # ordered >= 1.9
@main = Thread.current
@stdout = $stdout.clone
@plcount = 0
end
def start
$stdout.reopen($stderr