Class: Textbringer::DiredMode

Inherits:
Mode
  • Object
show all
Defined in:
lib/textbringer/modes/dired_mode.rb

Constant Summary collapse

PERM_BITS = 
[
  ["r", 0400], ["w", 0200], ["x", 0100],
  ["r", 0040], ["w", 0020], ["x", 0010],
  ["r", 0004], ["w", 0002], ["x", 0001]
]

Constants inherited from Mode

Mode::DEFAULT_SYNTAX_TABLE

Constants included from Commands

Commands::CLIPBOARD_AVAILABLE, Commands::COMPLETION_POPUP_STATUS, Commands::CTAGS, Commands::EMAIL_REGEXP, Commands::HELP_RING, Commands::ISEARCH_STATUS, Commands::ISPELL_STATUS, Commands::ISPELL_WORD_REGEXP, Commands::KEYBOARD_MACROS, Commands::LSP_DOCUMENT_VERSIONS, Commands::LSP_STATUS, Commands::REGISTERS, Commands::RE_SEARCH_STATUS, Commands::URI_REGEXP

Constants included from Utils

Utils::COMPLETION, Utils::EXPRESSION_COMPLETOR, Utils::EXPRESSION_COMPLETOR_OPTIONS, Utils::HOOKS

Instance Attribute Summary

Attributes inherited from Mode

#buffer

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Mode

define_generic_command, define_local_command, define_syntax, inherited, list, #name, #syntax_table

Methods included from Commands

[], #buffer_uri, #command_help, command_table, #completion_popup_done, completion_popup_mode_active?, #completion_popup_pre_command_hook, #completion_popup_start, #current_prefix_arg, define_command, #ensure_ispell_active, #execute_keyboard_macro, #get_tags, #insert_completion, #isearch_done, #isearch_mode, #isearch_mode?, #isearch_pre_command_hook, #isearch_prompt, #isearch_repeat, #isearch_repeat_backward, #isearch_repeat_forward, #isearch_search, #ispell_done, #ispell_forward, #ispell_mode, #keymap_bindings, list, #lsp_after_set_visited_file_name_hook, #lsp_close_signature_window, #lsp_completion_context, #lsp_find_file_hook, #lsp_open_document, #lsp_position, #lsp_setup_buffer_hooks, #lsp_show_signature_window, #lsp_signature_pre_command_hook, #lsp_text_document_sync_kind, #lsp_utf16_length, #match_beginning, #match_end, #match_string, #message_misspelled, #number_prefix_arg, #prefix_numeric_value, #read_input_method_name, #read_keyboard_macro, #read_register, #replace_match, undefine_command, #universal_argument_mode

Methods included from Utils

add_hook, background, complete_for_minibuffer, delete_completions_window, foreground, foreground!, get_hooks, message, read_buffer, read_char, read_command_name, read_encoding, read_event, read_expression, read_file_name, read_from_minibuffer, read_key_sequence, read_object, read_single_char, received_keyboard_quit?, remove_hook, ruby_install_name, run_hooks, run_hooks_in, self_insert_and_exit_minibuffer, set_transient_map, show_exception, sit_for, sleep_for, y_or_n?, yes_or_no?

Constructor Details

#initialize(buffer) ⇒ DiredMode

Returns a new instance of DiredMode.



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# File 'lib/textbringer/modes/dired_mode.rb', line 102

def initialize(buffer)
  super(buffer)
  buffer.keymap = DIRED_MODE_MAP
end

Class Method Details

.format_permissions(stat) ⇒ Object 



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# File 'lib/textbringer/modes/dired_mode.rb', line 38

def self.format_permissions(stat)
  type = if stat.directory?  then "d"
         elsif stat.symlink? then "l"
         elsif stat.pipe?    then "p"
         elsif stat.socket?  then "s"
         elsif stat.chardev? then "c"
         elsif stat.blockdev? then "b"
         else "-"
         end
  type + PERM_BITS.map { |ch, mask| stat.mode & mask != 0 ? ch : "-" }.join
end

.generate_listing(dir) ⇒ Object 



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# File 'lib/textbringer/modes/dired_mode.rb', line 50

def self.generate_listing(dir)
  entries = []
  Dir.foreach(dir) do |name|
    path = File.join(dir, name)
    begin
      stat = File.lstat(path)
      perms = format_permissions(stat)
      size  = stat.size
      mtime = stat.mtime.strftime("%Y-%m-%d %H:%M")
      if stat.symlink?
        begin
          target = File.readlink(path)
        rescue SystemCallError
          target = "?"
        end
        display = "#{name} -> #{target}"
      elsif stat.directory?
        display = "#{name}/"
      else
        display = name
      end
      entries << {
        name: name,
        display: display,
        perms: perms,
        size: size,
        mtime: mtime,
        directory: stat.directory?
      }
    rescue SystemCallError => e
      entries << {
        name: name,
        display: name,
        perms: "??????????",
        size: 0,
        mtime: "????-??-?? ??:??",
        directory: false,
        error: e.message
      }
    end
  end

  entries.sort_by! { |e| [e[:directory] ? 0 : 1, e[:name].downcase] }

  lines = ["  #{dir}:\n"]
  entries.each do |e|
    line = "  #{e[:perms]}  #{e[:size].to_s.rjust(8)}  #{e[:mtime]}  #{e[:display]}\n"
    lines << line
  end
  lines.join
end