diff options
Diffstat (limited to 'lib/irb/command/help.rb')
| -rw-r--r-- | lib/irb/command/help.rb | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/lib/irb/command/help.rb b/lib/irb/command/help.rb deleted file mode 100644 index 12b468fefc..0000000000 --- a/lib/irb/command/help.rb +++ /dev/null @@ -1,83 +0,0 @@ -# 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 |