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PATH: opt / alt / ruby34 / share / gems / gems / irb-1.14.3 / lib / irb / command

# frozen_string_literal: true

module IRB
  module Command
    class Help < Base
      category "Help"
      description "List all available commands. Use `help <command>` to get information about a specific command."

def execute(command_name)
        content =
          if command_name.empty?
            help_message
          else
            if command_class = Command.load_command(command_name)
              command_class.help_message || command_class.description
            else
              "Can't find command `#{command_name}`. Please check the command name and try again.\n\n"
            end
          end
        Pager.page_content(content)
      end

private

def help_message
        commands_info = IRB::Command.all_commands_info
        helper_methods_info = IRB::HelperMethod.all_helper_methods_info
        commands_grouped_by_categories = commands_info.group_by { |cmd| cmd[:category] }
        commands_grouped_by_categories["Helper methods"] = helper_methods_info

if irb_context.with_debugger
          # Remove the original "Debugging" category
          commands_grouped_by_categories.delete("Debugging")
        end

longest_cmd_name_length = commands_info.map { |c| c[:display_name].length }.max

output = StringIO.new

help_cmds = commands_grouped_by_categories.delete("Help")
        no_category_cmds = commands_grouped_by_categories.delete("No category")
        aliases = irb_context.instance_variable_get(:@command_aliases).map do |alias_name, target|
          { display_name: alias_name, description: "Alias for `#{target}`" }
        end

# Display help commands first
        add_category_to_output("Help", help_cmds, output, longest_cmd_name_length)

# Display the rest of the commands grouped by categories
        commands_grouped_by_categories.each do |category, cmds|
          add_category_to_output(category, cmds, output, longest_cmd_name_length)
        end

# Display commands without a category
        if no_category_cmds
          add_category_to_output("No category", no_category_cmds, output, longest_cmd_name_length)
        end

# Display aliases
        add_category_to_output("Aliases", aliases, output, longest_cmd_name_length)

# Append the debugger help at the end
        if irb_context.with_debugger
          # Add "Debugging (from debug.gem)" category as title
          add_category_to_output("Debugging (from debug.gem)", [], output, longest_cmd_name_length)
          output.puts DEBUGGER__.help
        end

output.string
      end

def add_category_to_output(category, cmds, output, longest_cmd_name_length)
        output.puts Color.colorize(category, [:BOLD])

cmds.each do |cmd|
          output.puts "  #{cmd[:display_name].to_s.ljust(longest_cmd_name_length)}    #{cmd[:description]}"
        end

output.puts
      end
    end
  end
end

[-] subirb.rb [edit]
[-] catch.rb [edit]
[-] continue.rb [edit]
[-] force_exit.rb [edit]
[-] chws.rb [edit]
[-] load.rb [edit]
[-] break.rb [edit]
[-] whereami.rb [edit]
[-] history.rb [edit]
[-] disable_irb.rb [edit]
[-] irb_info.rb [edit]
[-] show_source.rb [edit]
[-] next.rb [edit]
[-] delete.rb [edit]
[-] finish.rb [edit]
[-] step.rb [edit]
[-] debug.rb [edit]
[-] show_doc.rb [edit]
[-] internal_helpers.rb [edit]
[-] info.rb [edit]
[-] pushws.rb [edit]
[-] help.rb [edit]
[-] base.rb [edit]
[-] backtrace.rb [edit]
[-] ls.rb [edit]
[-] cd.rb [edit]
[+] ..
[-] edit.rb [edit]
[-] measure.rb [edit]
[-] exit.rb [edit]
[-] context.rb [edit]