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README.md

mruby-linenoise

mruby wrapper for https://github.com/antirez/linenoise

Linenoise.completion do |buf|
  if buf[0] == 'h'
    ['hello', 'hello there']
    # you can also just return a String
  end
end

Linenoise.hints do |buf|
  if buf == "hello"
    Linenoise::Hint.new(" World", 35, true) # this is a Struct with the folowing fields: to_str, color, bold
    # you can also just return a String
  end
end

begin
Linenoise::History.load('history.txt')
rescue
end

while (line = linenoise("hallo> "))
  unless line.empty?
    puts "echo: #{line}"
    Linenoise::History.add(line)
    Linenoise::History.save("history.txt")
  end
end

Other functions

Linenoise.clear_screen # clears the screen
Linenoise.multi_line= # enables or disables multi line mode

Linenoise.print_key_codes # a special mode which shows key codes

Linenoise::History.max_len= # changes the max lines the history keeps, defaults to 100

Acknowledgements

This is using code from https://github.com/antirez/linenoise

Copyright (c) 2010-2014, Salvatore Sanfilippo Copyright (c) 2010-2013, Pieter Noordhuis

All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

  • Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

  • Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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mruby wrapper for https://github.com/antirez/linenoise, a line editing library

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