Method: CodeTree.run

Defined in:
lib/xiki/code_tree.rb

.run(code, options = {}) ⇒ Object 



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# File 'lib/xiki/code_tree.rb', line 96

def self.run code, options={}
  b = View.buffer

  orig = Location.new
  orig_left = $el.point

  returned, stdout, e = Code.eval(code)  # Eval code
  # If no stdout (and something was returned), print return value
  if ! stdout.nonempty? and ! returned.nil?
    stdout = self.returned_to_s returned
  else
    $el.message(returned.to_s) if returned and (!returned.is_a?(String) or returned.size < 500)
  end

  stdout = self.draw_exception(e, code) if e

  buffer_changed = b != View.buffer   # Remember whether we left the buffer
  # Insert output if there was any
  if stdout.nonempty?
    # Pull out flags
    if stdout =~ /^:code_tree_option_tree_search\n/
      options[:tree_search] = true
      stdout.sub! /.+\n/, ''   # Remove option
    elsif stdout =~ /^:quote_search_option\n/
      options[:quote_search] = true
      stdout.sub! /.+\n/, ''   # Remove option
    elsif stdout =~ /^:code_tree_option_no_search\n/
      options[:no_search] = true
      stdout.sub! /.+\n/, ''   # Remove option
    end
    ended_up = Location.new

    # Go back to where we were before running code
    orig.go
    indent = Line.indent
    Line.to_left
    Line.next
    left = $el.point

    # Move what they printed over to left margin initally, in case they haven't
    stdout = TextUtil.unindent(stdout)
    stdout.sub!(/\n\n\z/, "\n")   # Remove any double linebreaks at end

    stdout.gsub!(/^/, "#{indent}  ")

    View << stdout  # Insert output
    right = $el.point

    orig.go   # Move cursor back
    ended_up.go   # End up where script took us

    # These are deprecated - eventually pull them out
    if options[:tree_search]   # If they want to do a tree search
      $el.goto_char left
      FileTree.select_next_file
      Tree.search(:left=>left, :right=>right, :recursive=>true)
      return
    end
    if options[:quote_search]   # If they want to do a tree search
      $el.goto_char left
      Search.forward "|"
      Line.to_beginning
      Tree.search(:left=>left, :right=>right, :recursive_quotes=>true)
      return
    end

    # If script didn't move us (line or buffer), do incremental search
    if !options[:no_search] && !buffer_changed && $el.point == orig_left
      # TODO No search if there aren't more than 3 lines
      $el.goto_char left

      Line.to_words

      # Determine how to search based on output!

      Tree.search_appropriately left, right, stdout

    elsif options[:no_search]
      Line.to_beginning :down=>1
    end

  end
end