Class: Opal::CliRunners::AppleScript
- Defined in:
- opal/lib/opal/cli_runners/apple_script.rb
Defined Under Namespace
Classes: MissingAppleScript, MissingJavaScriptSupport
Instance Attribute Summary collapse
-
#exit_status ⇒ Object
readonly
Returns the value of attribute exit_status.
-
#output ⇒ Object
readonly
Returns the value of attribute output.
Instance Method Summary collapse
-
#initialize(output) ⇒ AppleScript
constructor
A new instance of AppleScript.
- #puts(*args) ⇒ Object
- #run(code, argv) ⇒ Object
-
#system_with_output(env, *cmd) ⇒ Object
Let's support fake IO objects like StringIO.
Constructor Details
#initialize(output) ⇒ AppleScript
Returns a new instance of AppleScript
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# File 'opal/lib/opal/cli_runners/apple_script.rb', line 6 def initialize(output) unless system('which osalang > /dev/null') raise MissingJavaScriptSupport, 'JavaScript Automation is only supported by OS X Yosemite and above.' end @output ||= output end |
Instance Attribute Details
#exit_status ⇒ Object (readonly)
Returns the value of attribute exit_status
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# File 'opal/lib/opal/cli_runners/apple_script.rb', line 13 def exit_status @exit_status end |
#output ⇒ Object (readonly)
Returns the value of attribute output
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# File 'opal/lib/opal/cli_runners/apple_script.rb', line 13 def output @output end |
Instance Method Details
#puts(*args) ⇒ Object
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# File 'opal/lib/opal/cli_runners/apple_script.rb', line 15 def puts(*args) output.puts(*args) end |
#run(code, argv) ⇒ Object
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# File 'opal/lib/opal/cli_runners/apple_script.rb', line 19 def run(code, argv) require 'tempfile' tempfile = Tempfile.new('opal-applescript-runner-') # tempfile = File.new('opal-applescript-runner.js', 'w') # for debugging tempfile.write code tempfile.close successful = system_with_output('osascript', '-l', 'JavaScript', tempfile.path , *argv) rescue Errno::ENOENT raise MissingAppleScript, 'AppleScript is only available on Mac OS X.' end |
#system_with_output(env, *cmd) ⇒ Object
Let's support fake IO objects like StringIO
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# File 'opal/lib/opal/cli_runners/apple_script.rb', line 32 def system_with_output(env, *cmd) if (io_output = IO.try_convert(output)) system(env,*cmd) @exit_status = $?.exitstatus return end if RUBY_PLATFORM == 'java' # JRuby has issues in dealing with subprocesses (at least up to 1.7.15) # @headius told me it's mostly fixed on master, but while we wait for it # to ship here's a tempfile workaround. require 'tempfile' require 'shellwords' tempfile = Tempfile.new('opal-applescript-output') system(env,cmd.shelljoin+" > #{tempfile.path}") @exit_status = $?.exitstatus captured_output = File.read tempfile.path tempfile.close else require 'open3' captured_output, status = Open3.capture2(env,*cmd) @exit_status = status.exitstatus end output.write captured_output end |