Class: RubyQueryHook

Inherits:
Mumukit::Templates::FileHook
  • Object
show all
Defined in:
lib/query_hook.rb

Instance Method Summary collapse

Instance Method Details

#build_state(cookie) ⇒ Object 



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# File 'lib/query_hook.rb', line 50

def build_state(cookie)
  (cookie||[]).map do |statement|
  <<ruby
begin
  #{statement}
rescue
end
ruby
  end
end

#command_line(filename) ⇒ Object 



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# File 'lib/query_hook.rb', line 30

def command_line(filename)
  "ruby #{filename}"
end

#compile_cookie(cookie) ⇒ Object 



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# File 'lib/query_hook.rb', line 61

def compile_cookie(cookie)
  build_state(cookie).join("\n")
end

#compile_file_content(r) ⇒ Object 



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# File 'lib/query_hook.rb', line 8

def compile_file_content(r)
  <<ruby
  class MumukiConsole
    def self.write(string)
    end
    def self.enter_cookie!
      @@old_stdout = $stdout
      $stdout = MumukiConsole
    end
    def self.exit_cookie!
      $stdout = @@old_stdout
    end
  end
  #{r.extra}
  #{r.content}
  MumukiConsole.enter_cookie!
  #{compile_cookie(r.cookie)}
  MumukiConsole.exit_cookie!
  #{compile_query(r.query)}
ruby
end

#compile_query(query) ⇒ Object 



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# File 'lib/query_hook.rb', line 42

def compile_query(query)
  if query.start_with? 'def '
    "#{query}\nputs \"=> nil\""
  else
    "puts('=> ' + (#{query}).inspect)"
  end
end

#error_output?(result) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/query_hook.rb', line 65

def error_output?(result)
  error_regexp =~ result
end

#error_regexp ⇒ Object 



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# File 'lib/query_hook.rb', line 73

def error_regexp
  # Matches lines like:
  # * from /tmp/mumuki.compile20170404-3221-1db8ntk.rb:17:in `<main>'
  # * /tmp/mumuki.compile20170404-3221-1db8ntk.rb:17:in `respond_to?':
  /(from )?(.)+\.rb:(\d)+:in `([\w|<|>|?|!|+|*|-|\/|=]+)'(:)?/
end

#post_process_file(_file, result, status) ⇒ Object 



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# File 'lib/query_hook.rb', line 34

def post_process_file(_file, result, status)
  if status == :failed && error_output?(result)
    [sanitize_error_output(result), status]
  else
    super
  end
end

#sanitize_error_output(result) ⇒ Object 



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# File 'lib/query_hook.rb', line 69

def sanitize_error_output(result)
  result.gsub(error_regexp, '').strip
end

#tempfile_extension ⇒ Object 



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# File 'lib/query_hook.rb', line 4

def tempfile_extension
  '.rb'
end