class IRB::Command::ShowSource - irb: Ruby Standard Library Documentation

# class IRB::Command::ShowSource

### Public Instance Methods

execute(arg) click to toggle source

    # File irb/command/show_source.rb, line 29
    def execute(arg)
      # Accept string literal for backward compatibility
      str = unwrap_string_literal(arg)
      unless str.is_a?(String)
        puts "Error: Expected a string but got #{str.inspect}"
        return
      end

      str, esses = str.split(" -")
      super_level = esses ? esses.count("s") : 0
      source = SourceFinder.new(@irb_context).find_source(str, super_level)

      if source
        show_source(source)
      elsif super_level > 0
        puts "Error: Couldn't locate a super definition for #{str}"
      else
        puts "Error: Couldn't locate a definition for #{str}"
      end
      nil
    end

### Private Instance Methods

bold(str) click to toggle source

    # File irb/command/show_source.rb, line 69
    def bold(str)
      Color.colorize(str, [:BOLD])
    end

show_source(source) click to toggle source

    # File irb/command/show_source.rb, line 53
          def show_source(source)
            if source.binary_file?
              content = "\n#{bold('Defined in binary file')}: #{source.file}\n\n"
            else
              code = source.colorized_content || 'Source not available'
              content = <<~CONTENT

                #{bold("From")}: #{source.file}:#{source.line}

                #{code.chomp}

              CONTENT
            end
            Pager.page_content(content)
          end