ind_server.rb

%w(sinatra notify).each{|x| require x}
require "sinatra/reloader" if development?

configure do
  TITLE = "InDesign Scripting Server"
  INDESIGN_VERSION = "CS5"
end

get "/" do
  Notify.notify TITLE, "Target Versiion InDesign #{INDESIGN_VERSION}"

  content_type :text
  "ok"
end

## curl -X POST -F 'script=alert("ok")' http://localhost:4567
post "/" do
  ##Notify.notify TITLE, "Execute Script"
  scrt = params[:script]
  create_javascript(scrt)
  
  exec

  content_type :text
  "ok"
end

def exec
  if File.exists? File.dirname(__FILE__)+"/tmp.log"
    File.unlink File.dirname(__FILE__)+"/tmp.log"
  end

  create_dispatcher_applescript
  `osascript #{File.dirname(__FILE__)+"/tmp.scpt"}`
end

def create_javascript(scrt)
  open(File.dirname(__FILE__)+"/tmp.jsx","w"){|f| f.print scrt}
end

def create_dispatcher_applescript
  override_js = <<JS
var file=new File('#{File.expand_path(File.dirname(__FILE__))+'/tmp.log'}');
file.encodign='UTF-8';file.lineFeed='Mac';file.open('w');
$.write=function(){file.seek(0,2);file.write(arguments[0])};
$.writeln=function(){file.seek(0,2);file.writeln(arguments[0])};
JS
  scrt = <<SCRT
tell application \"Adobe InDesign #{INDESIGN_VERSION}\"
activate
do script \"#{override_js} $.evalFile('#{File.expand_path(File.dirname(__FILE__))+'/tmp.jsx'}')\" language javascript
end tell
SCRT

  open(File.dirname(__FILE__)+"/tmp.scpt","w"){|f| f.print scrt}
end