Name: gateway-uvi/client 
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#!/usr/bin/ruby
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# encoding: UTF-8
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require 'rubygems'
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require 'highline'
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require 'riddl/client'
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require 'timeout'
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require 'json'
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require 'pp'
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require 'term/ansicolor'
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class String
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  include Term::ANSIColor
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end
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H_exit = <<-end #{{{
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  Get me out of this mess.
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end
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#}}}
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H_clear = <<-end #{{{
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  Clear screen.
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end
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#}}}
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def get_from_server(name,params=[])
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  gate = Riddl::Client.interface("xmpp://[email protected]", "gateway.xml", :jid => 'jü[email protected]', :pass => 'mangler')
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  begin
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    Timeout::timeout(5) do
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      para = [
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        Riddl::Parameter::Simple.new("command",name)
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      ] + params.map { |p| Riddl::Parameter::Simple.new("parameter",p) }
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      status, res = gate.put para
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      if status == 200
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        return JSON.parse(res[0].value.read)
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      else
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        raise "Server responding with status #{status}"
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      end
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    end  
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  rescue Timeout::Error
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    raise "Server has some bad error."
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  end  
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  gate.close_xmpp
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end
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def send_to_server(name,params)
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  begin
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    px = get_from_server(name,params)
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    type = px.map{|e| e.class}.uniq
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    if type.length == 1 && type[0] == Hash
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      keys = {}
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      px.map{|e| e.keys.each {|k| keys[k] ||= k.to_s.length; keys[k] = e[k].to_s.length if keys[k] < e[k].to_s.length } }.flatten
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      keys.each do |k,v|
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        print k.ljust(v) + ' | '
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      end
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      puts if keys.length > 0
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      px.each do |e|
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        keys.each do |k,v|
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          print e[k].to_s.ljust(v) + ' | '
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        end
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        puts
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      end    
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    else  
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      px.each do |e|
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        if e.is_a? String
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          puts e
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        else  
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          pp e
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        end  
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      end  
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    end
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  rescue => e
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    e.message
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  end  
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end
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io = HighLine.new
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ICMDS = %w{clear quit exit}
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ECMDS = get_from_server('commands')
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loop do #{{{
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  begin
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    cmd = io.ask("<%= color('gateway-uvi$ ',BOLD) %>") do |h|
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      h.whitespace = :strip_and_collapse
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      h.validate = nil
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      h.readline = true
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      h.completion = ICMDS + ECMDS
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    end
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    cmd = cmd.scan(/([^"\s]+)|"((?:""|[^"])+)"/).flatten.compact
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    case cmd[0]
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      when 'help'
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        send_to_server(cmd[0],cmd[1..-1])
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        rest = ICMDS.flatten.map do |m|
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          h = self.class.const_defined?("H_#{m}".to_sym) ? self.class.const_get("H_#{m}".to_sym) : "\n"
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          "#{m.to_s.red.bold} #{h}"
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        end.join
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        print rest
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      when 'quit', 'exit'
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        break
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      when 'clear'  
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        print "\e[H\e[2J"
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      when nil
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      else
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        send_to_server(cmd[0],cmd[1..-1])
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    end
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  rescue EOFError, SignalException
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    puts
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    break
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  end  
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end #}}}