Module: RSCM::LineEditor

Defined in:
lib/rscm/line_editor.rb

Class Method Summary collapse

Class Method Details

.comment_out(original, line_regex, comment_template, output) ⇒ Object

Comments out line by line if they match the line_regex. Does not comment out already commented out lines. If comment_template is nil, the matching lines will be deleted Returns true if at least one line is commented out or changed



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# File 'lib/rscm/line_editor.rb', line 10

def comment_out(original, line_regex, comment_template, output)
  did_comment_out = false
  already_commented_exp = /^[#{comment_template}]/ unless comment_template.nil?
  original.each_line do |line|
    out_line = nil
    if(line_regex =~ line)
      if(already_commented_exp && already_commented_exp =~ line)
        out_line = line
      else
        did_comment_out = true
        out_line = "#{comment_template}#{line}" unless comment_template.nil?
      end
    else
      out_line = line
    end
    output << out_line unless out_line.nil?
  end
  did_comment_out
end