Class: Rvim::Command

Inherits:
Object
  • Object
show all
Defined in:
lib/rvim/command.rb

Defined Under Namespace

Classes: Parsed, UserCommand

Constant Summary collapse

SET_TOKEN_RE = 
/\A(no)?(\w+)(?:=(\S+))?\??\z/
SUBSTITUTE_RE = 
%r{
  \A
  (?<range>%|\d+(?:,\d+)?|'<,'>)?
  s/
  (?<pat>(?:\\.|[^/])*)
  /
  (?<rep>(?:\\.|[^/])*)
  /?
  (?<flags>[gi]*)?
  \z
}x
FILTER_RE = 
/\A(?<range>%|\d+(?:,\d+)?|'<,'>)?!(?<cmd>.*)\z/.freeze
SORT_RE = 
/\A
  (?<range>%|\d+(?:,\d+)?|'<,'>)?
  \s*sort
  (?<bang>!)?
  (?:\s+(?<flags>[uni]+))?
  \z
/x.freeze
MAP_MODIFIER_RE = 
/\A<(silent|unique|buffer|expr|nowait|script)>\s+/i.freeze
MODE_TAGS = 
{
  normal: 'n',
  visual: 'v',
  insert: 'i',
  op_pending: 'o',
  cmdline: 'c',
}.freeze
VIMGREP_RE = 
%r{\A/(?<pat>(?:\\.|[^/])*)/\s+(?<files>.+)\z}.freeze
LET_RE = 
/\A(?<name>\w+)\s*=\s*(?<value>.*)\z/.freeze
ABBREV_MODES = 
{
  abbrev: %i[insert cmdline],
  iabbrev: %i[insert],
  cabbrev: %i[cmdline],
  noreabbrev: %i[insert cmdline],
  inoreabbrev: %i[insert],
  cnoreabbrev: %i[cmdline],
  unabbrev: %i[insert cmdline],
  iunabbrev: %i[insert],
  cunabbrev: %i[cmdline],
  abclear: %i[insert cmdline],
  iabclear: %i[insert],
  cabclear: %i[cmdline],
}.freeze
USER_COMMAND_RE = 
/\A(?:-nargs=(?<nargs>[01*+?])\s+)?(?<name>[A-Z][A-Za-z0-9_]*)\s+(?<body>.+)\z/m.freeze
ABBREV_MODE_TAGS = 
{ insert: 'i', cmdline: 'c' }.freeze
KIND_TAGS = 
{ char: 'c', line: 'l', block: 'b' }.freeze

Class Method Summary collapse

Class Method Details

.any_modified?(editor) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rvim/command.rb', line 2050

def self.any_modified?(editor)
  editor.send(:save_current_buffer) if editor.current_buffer
  return true if editor.modified

  editor.buffers.values.any?(&:modified)
end

.build_session_script(editor) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1773

def self.build_session_script(editor)
  out = []
  out << '" rvim session script — re-source with :source <file>'
  out << "cd #{Dir.pwd}"

  # Buffers — :badd adds them without switching.
  editor.buffers.each_value do |buf|
    next unless buf.filepath

    out << "badd #{buf.filepath}"
  end

  # Current file gets focused via :edit.
  if editor.filepath
    out << "edit #{editor.filepath}"
  end

  out
end

.colorscheme_search_paths(name) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1033

def self.colorscheme_search_paths(name)
  [
    File.expand_path("~/.config/rvim/colors/#{name}.vim"),
    File.expand_path("~/.rvim/colors/#{name}.vim"),
  ]
end

.compile_sub_pattern(str, ignorecase: false) ⇒ Object 



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# File 'lib/rvim/command.rb', line 2096

def self.compile_sub_pattern(str, ignorecase: false)
  Regexp.new(str, ignorecase ? Regexp::IGNORECASE : 0)
rescue RegexpError
  nil
end

.confirm_destructive_quit(editor) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1901

def self.confirm_destructive_quit(editor)
  editor.confirm_prompt('Save changes before closing?', %w[y n c]) do |choice|
    case choice
    when 'y'
      save_all_modified(editor)
      editor.quit! unless any_modified?(editor)
    when 'n'
      editor.quit!
    when 'c'
      editor.status_message = 'Cancelled'
    end
  end
end

.current_location_list(editor) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1155

def self.current_location_list(editor)
  win = editor.current_window
  unless win
    editor.status_message = 'E776: no location list (no current window)'
    return nil
  end

  win.location_list
end

.effective_sub_ignorecase(editor, pattern_str) ⇒ Object 



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# File 'lib/rvim/command.rb', line 2102

def self.effective_sub_ignorecase(editor, pattern_str)
  Rvim::Search.effective_ignorecase(
    pattern_str,
    ignorecase: editor.settings.get(:ignorecase),
    smartcase: editor.settings.get(:smartcase),
  )
end

.ensure_buffer_nonempty(editor) ⇒ Object 



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# File 'lib/rvim/command.rb', line 750

def self.ensure_buffer_nonempty(editor)
  if editor.buffer_of_lines.empty?
    editor.buffer_of_lines << String.new('', encoding: editor.encoding)
    editor.instance_variable_set(:@line_index, 0)
    editor.instance_variable_set(:@byte_pointer, 0)
  end
end

.execute(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 272

def self.execute(editor, parsed)
  return unless parsed

  case parsed.verb
  when :w
    execute_write(editor, parsed)
  when :q
    execute_quit(editor, parsed)
  when :qa
    execute_quit_all(editor, parsed)
  when :wq
    execute_write(editor, parsed)
    execute_quit(editor, parsed)
  when :cq
    editor.quit!(exit_code: 1)
  when :e
    if parsed.arg.nil? || parsed.arg.empty?
      editor.status_message = 'E32: No file name'
    else
      editor.open(parsed.arg)
    end
  when :bn
    editor.next_buffer
  when :bp
    editor.prev_buffer
  when :b
    if parsed.arg.nil? || parsed.arg.empty?
      editor.status_message = 'E32: No buffer specified'
    else
      editor.switch_buffer_by(parsed.arg)
    end
  when :bd
    editor.delete_current_buffer(force: parsed.bang)
  when :set
    execute_set(editor, parsed, local: false)
  when :setlocal
    execute_set(editor, parsed, local: true)
  when :ls
    editor.show_list(format_buffers(editor))
  when :marks
    editor.show_list(format_marks(editor))
  when :jumps
    editor.show_list(format_jumps(editor))
  when :registers
    filter_chars = parsed.arg.to_s.scan(/\S/).reject { |c| c == '"' }
    editor.show_list(format_registers(editor, filter: filter_chars))
  when :tabnext
    editor.tab_advance
  when :tabprev
    editor.tab_retreat
  when :tabnew
    editor.tab_new(parsed.arg)
  when :tabclose
    editor.tab_close
  when :tabonly
    editor.tab_only
  when :tabmove
    execute_tabmove(editor, parsed)
  when :resize
    execute_resize(editor, parsed, vertical: false)
  when :vertical
    # :vertical resize N — parsed.arg should start with "resize"
    if parsed.arg.to_s.strip.start_with?('resize', 'res')
      inner = parsed.arg.to_s.sub(/\A(resize|res)\s*/, '')
      execute_resize(editor, Parsed.new(verb: :resize, arg: inner, bang: false, line_number: nil), vertical: true)
    end
  when :sp
    if parsed.arg && !parsed.arg.empty?
      editor.open(parsed.arg)
    end
    editor.split_horizontal
  when :vsp
    if parsed.arg && !parsed.arg.empty?
      editor.open(parsed.arg)
    end
    editor.split_vertical
  when :goto
    last = editor.buffer_of_lines.size - 1
    target = (parsed.line_number - 1).clamp(0, last)
    editor.push_jump
    editor.instance_variable_set(:@line_index, target)
    editor.send(:snap_to_visible)
    editor.instance_variable_set(:@byte_pointer, 0)
  when :sub
    execute_substitute(editor, parsed)
  when :source
    if parsed.arg.nil? || parsed.arg.empty?
      editor.status_message = 'E471: Argument required'
    else
      editor.source(parsed.arg)
    end
  when :runtime
    execute_runtime(editor, parsed)
  when :packadd
    execute_packadd(editor, parsed)
  when :messages
    editor.show_list(['Messages:'] + (editor.messages || []))
  when :execute_cmd
    execute_execute(editor, parsed)
  when :silent
    execute_silent(editor, parsed)
  when :verbose
    execute_verbose(editor, parsed)
  when :redir
    execute_redir(editor, parsed)
  when :user_command_def
    execute_user_command_def(editor, parsed)
  when :user_command_del
    execute_user_command_del(editor, parsed)
  when :help
    execute_help(editor, parsed)
  when :helpclose
    editor.close_help_buffer
  when :earlier
    execute_earlier(editor, parsed)
  when :later
    execute_later(editor, parsed)
  when :undolist
    editor.show_list(format_undo_list(editor))
  when :mksession
    execute_mksession(editor, parsed)
  when :badd
    if parsed.arg && !parsed.arg.empty?
      editor.add_buffer(parsed.arg.strip)
    end
  when :terminal
    execute_terminal(editor, parsed)
  when :lua_chunk
    editor.lua.eval(parsed.arg.to_s)
  when :luafile
    if parsed.arg.nil? || parsed.arg.empty?
      editor.status_message = 'E471: Argument required'
    else
      editor.lua.load_file(File.expand_path(parsed.arg.to_s.strip))
    end
  when :history
    editor.show_list(format_history(editor))
  when :map, :nmap, :vmap, :imap, :omap, :cmap,
       :noremap, :nnoremap, :vnoremap, :inoremap, :onoremap, :cnoremap
    execute_map(editor, parsed)
  when :unmap, :nunmap, :vunmap, :iunmap, :ounmap, :cunmap
    execute_unmap(editor, parsed)
  when :mapclear, :nmapclear, :vmapclear, :imapclear, :omapclear, :cmapclear
    execute_mapclear(editor, parsed)
  when :abbrev, :iabbrev, :cabbrev, :noreabbrev, :inoreabbrev, :cnoreabbrev
    execute_abbrev(editor, parsed)
  when :unabbrev, :iunabbrev, :cunabbrev
    execute_unabbrev(editor, parsed)
  when :abclear, :iabclear, :cabclear
    execute_abclear(editor, parsed)
  when :let
    execute_let(editor, parsed)
  when :fold
    execute_fold(editor, parsed)
  when :bang
    execute_bang(editor, parsed)
  when :filter
    execute_filter(editor, parsed)
  when :r
    execute_read(editor, parsed)
  when :autocmd
    execute_autocmd(editor, parsed)
  when :augroup
    execute_augroup(editor, parsed)
  when :sort
    execute_sort(editor, parsed)
  when :delete
    execute_delete(editor, parsed)
  when :yank
    execute_yank(editor, parsed)
  when :put
    execute_put(editor, parsed)
  when :move
    execute_move(editor, parsed)
  when :copy
    execute_copy(editor, parsed)
  when :join
    execute_join(editor, parsed)
  when :nohlsearch
    execute_nohlsearch(editor, parsed)
  when :retab
    execute_retab(editor, parsed)
  when :cd
    execute_cd(editor, parsed)
  when :pwd
    execute_pwd(editor, parsed)
  when :vimgrep
    execute_vimgrep(editor, parsed)
  when :cnext
    execute_cnext(editor, parsed)
  when :cprev
    execute_cprev(editor, parsed)
  when :cc
    execute_cc(editor, parsed)
  when :clist, :copen
    editor.show_list(format_quickfix(editor))
  when :cclose
    editor.dismiss_list
  when :lvimgrep
    execute_lvimgrep(editor, parsed)
  when :lnext
    execute_lnext(editor, parsed)
  when :lprev
    execute_lprev(editor, parsed)
  when :ll
    execute_ll(editor, parsed)
  when :llist, :lopen
    editor.show_list(format_location_list(editor))
  when :lclose
    editor.dismiss_list
  when :lmake
    execute_lmake(editor, parsed)
  when :lgrep
    execute_lgrep(editor, parsed)
  when :diffthis
    execute_diffthis(editor, parsed)
  when :diffoff
    execute_diffoff(editor, parsed)
  when :diffupdate
    editor.recompute_diff_status
  when :diffsplit
    execute_diffsplit(editor, parsed)
  when :hi
    execute_hi(editor, parsed)
  when :colorscheme
    execute_colorscheme(editor, parsed)
  when :digraphs
    execute_digraphs(editor, parsed)
  when :tag
    execute_tag(editor, parsed)
  when :tags_list
    editor.show_list(format_tag_stack(editor))
  when :tnext
    editor.tag_next
  when :tprev
    editor.tag_prev
  when :bufdo
    execute_bufdo(editor, parsed)
  when :tabdo
    execute_tabdo(editor, parsed)
  when :windo
    execute_windo(editor, parsed)
  when :argdo
    execute_argdo(editor, parsed)
  when :args
    execute_args(editor, parsed)
  when :argadd
    execute_argadd(editor, parsed)
  when :make
    execute_make(editor, parsed)
  when :grep
    execute_grep(editor, parsed)
  else
    if (uc = editor.user_commands[parsed.verb.to_s])
      execute_user_command(editor, uc, parsed)
    else
      editor.status_message = "E492: Not an editor command: #{parsed.verb}"
    end
  end
end

.execute_abbrev(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1511

def self.execute_abbrev(editor, parsed)
  arg = parsed.arg.to_s.strip
  modes = ABBREV_MODES[parsed.verb] || %i[insert cmdline]

  if arg.empty?
    editor.show_list(format_abbreviations(editor, modes))
    return
  end

  lhs, rhs = arg.split(/\s+/, 2)
  if rhs.nil? || rhs.empty?
    editor.show_list(format_abbreviations(editor, modes, lhs_filter: lhs))
    return
  end

  recursive = !%i[noreabbrev inoreabbrev cnoreabbrev].include?(parsed.verb)
  editor.abbreviations.add(modes, lhs, rhs, recursive: recursive)
end

.execute_abclear(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1541

def self.execute_abclear(editor, parsed)
  modes = ABBREV_MODES[parsed.verb] || %i[insert cmdline]
  editor.abbreviations.clear(modes)
end

.execute_argadd(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 893

def self.execute_argadd(editor, parsed)
  arg = parsed.arg.to_s.strip
  return if arg.empty?

  arg.split(/\s+/).each { |p| editor.add_arg(p) }
end

.execute_argdo(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 867

def self.execute_argdo(editor, parsed)
  cmd = parsed.arg.to_s
  return if cmd.empty?

  editor.arg_list.each do |path|
    editor.open(path)
    execute(editor, parse(cmd))
  end
end

.execute_args(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 877

def self.execute_args(editor, parsed)
  arg = parsed.arg.to_s.strip
  if arg.empty?
    list = editor.arg_list
    if list.empty?
      editor.status_message = 'E163: there is no argument list'
    else
      editor.show_list(['Argument list', *list.each_with_index.map { |p, i| format('   %2d  %s', i + 1, p) }])
    end
    return
  end

  paths = arg.split(/\s+/).flat_map { |p| Dir.glob(p).empty? ? [p] : Dir.glob(p) }
  editor.set_arg_list(paths)
end

.execute_augroup(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1359

def self.execute_augroup(editor, parsed)
  arg = parsed.arg.to_s.strip
  if arg.empty? || arg.casecmp?('END')
    editor.autocommands.current_group = nil
  else
    editor.autocommands.current_group = arg
  end
end

.execute_autocmd(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1324

def self.execute_autocmd(editor, parsed)
  arg = parsed.arg.to_s.strip

  if parsed.bang
    if arg.empty?
      editor.autocommands.clear_group(editor.autocommands.current_group)
      return
    end

    parts = arg.split(/\s+/, 3)
    events = parts[0].split(',')
    pattern = parts[1]
    events.each do |ev|
      editor.autocommands.remove(event: ev, pattern: pattern)
    end
    return
  end

  if arg.empty?
    editor.show_list(format_autocommands(editor))
    return
  end

  parts = arg.split(/\s+/, 3)
  if parts.size < 3
    editor.status_message = 'E471: Argument required: :autocmd events pattern command'
    return
  end

  events_token, patterns_token, command = parts
  events = events_token.split(',')
  patterns = patterns_token.split(',')
  editor.autocommands.add(events, patterns, command)
end

.execute_bang(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1383

def self.execute_bang(editor, parsed)
  cmd = parsed.arg.to_s
  if cmd.start_with?('!')
    if editor.last_bang_cmd
      cmd = editor.last_bang_cmd + cmd[1..]
    else
      editor.status_message = 'E34: no previous command'
      return
    end
  end
  cmd = expand_filenames(editor, cmd)
  editor.last_bang_cmd = cmd

  result = Rvim::Filter.run(cmd, shell: editor.settings.get(:shell), shellcmdflag: editor.settings.get(:shellcmdflag))
  if result.success?
    lines = result.stdout.chomp("\n").split("\n", -1)
    lines = ['(no output)'] if lines.empty? || lines == ['']
    editor.show_list(lines)
  else
    editor.status_message = filter_error_status(result)
  end
end

.execute_bufdo(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 828

def self.execute_bufdo(editor, parsed)
  cmd = parsed.arg.to_s
  return if cmd.empty?

  saved = editor.current_buffer
  editor.buffer_order.each do |id|
    buf = editor.buffers[id]
    next unless buf

    editor.swap_to_buffer(buf)
    execute(editor, parse(cmd))
  end
  editor.swap_to_buffer(saved) if saved && editor.buffers.values.include?(saved)
end

.execute_cc(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1255

def self.execute_cc(editor, parsed)
  qf = editor.quickfix
  if qf.empty?
    editor.status_message = 'E42: No Errors'
    return
  end

  n = parsed.arg.to_s.strip
  idx = n.empty? ? qf.index : n.to_i - 1
  entry = qf.at(idx)
  if entry
    jump_to_quickfix_entry(editor, entry)
    editor.status_message = "(#{qf.index + 1} of #{qf.size}) #{format_quickfix_summary(entry)}"
  else
    editor.status_message = "E553: No more items"
  end
end

.execute_cd(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 721

def self.execute_cd(editor, parsed)
  path = parsed.arg.to_s.strip
  target = path.empty? ? Dir.home : File.expand_path(path)
  Dir.chdir(target)
  editor.status_message = Dir.pwd
rescue => e
  editor.status_message = "E: cd: #{e.message}"
end

.execute_cnext(editor, _parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1231

def self.execute_cnext(editor, _parsed)
  qf = editor.quickfix
  if qf.empty?
    editor.status_message = 'E42: No Errors'
    return
  end

  entry = qf.advance(+1)
  jump_to_quickfix_entry(editor, entry)
  editor.status_message = "(#{qf.index + 1} of #{qf.size}) #{format_quickfix_summary(entry)}"
end

.execute_colorscheme(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1012

def self.execute_colorscheme(editor, parsed)
  name = parsed.arg.to_s.strip
  if name.empty?
    editor.status_message = 'colorscheme name required'
    return
  end

  if name == 'default'
    Rvim::Highlights.reset_to_defaults!
    return
  end

  paths = colorscheme_search_paths(name)
  target = paths.find { |p| File.exist?(p) }
  if target
    editor.source(target)
  else
    editor.status_message = "E185: Cannot find color scheme '#{name}'"
  end
end

.execute_copy(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 674

def self.execute_copy(editor, parsed)
  start_line, end_line = resolve_range_default_current(editor, parsed)
  target = parsed.arg.to_i
  last = editor.buffer_of_lines.size - 1
  target = target.clamp(0, last + 1)

  copied = editor.buffer_of_lines[start_line..end_line].map(&:dup)
  editor.buffer_of_lines.insert(target, *copied)
  editor.instance_variable_set(:@line_index, target)
  editor.instance_variable_set(:@byte_pointer, 0)
  editor.modified = true
end

.execute_cprev(editor, _parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1243

def self.execute_cprev(editor, _parsed)
  qf = editor.quickfix
  if qf.empty?
    editor.status_message = 'E42: No Errors'
    return
  end

  entry = qf.advance(-1)
  jump_to_quickfix_entry(editor, entry)
  editor.status_message = "(#{qf.index + 1} of #{qf.size}) #{format_quickfix_summary(entry)}"
end

.execute_delete(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 604

def self.execute_delete(editor, parsed)
  start_line, end_line = resolve_range_default_current(editor, parsed)
  register = parsed.arg.to_s.strip
  lines = editor.buffer_of_lines[start_line..end_line]
  text = lines.map(&:to_s).join("\n")
  kind = :line
  if register.empty?
    editor.send(:write_register, text, kind, register: nil)
  else
    editor.send(:write_register, text, kind, register: register)
  end
  editor.replace_line_range(start_line, end_line, [])
  ensure_buffer_nonempty(editor)
end

.execute_diffoff(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1048

def self.execute_diffoff(editor, parsed)
  bufs = parsed.bang ? editor.buffers.values : [editor.current_buffer].compact
  bufs.each do |b|
    b.diff_active = false
    b.diff_status = nil
  end
end

.execute_diffsplit(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1056

def self.execute_diffsplit(editor, parsed)
  arg = parsed.arg.to_s.strip
  if arg.empty?
    editor.status_message = 'E32: No file name'
    return
  end

  current = editor.current_buffer
  current.diff_active = true if current
  editor.split_vertical
  editor.open(arg)
  editor.current_buffer.diff_active = true if editor.current_buffer
  editor.recompute_diff_status
end

.execute_diffthis(editor, _parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1040

def self.execute_diffthis(editor, _parsed)
  buf = editor.current_buffer
  return unless buf

  buf.diff_active = true
  editor.recompute_diff_status
end

.execute_digraphs(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 918

def self.execute_digraphs(editor, parsed)
  arg = parsed.arg.to_s.strip
  if arg.empty?
    editor.show_list(format_digraphs)
    return
  end

  tokens = arg.split(/\s+/)
  pair, code_token = tokens
  if pair.nil? || pair.length != 2 || code_token.nil?
    editor.status_message = 'E471: usage: :digraph d1d2 N'
    return
  end

  code = code_token.to_i
  if code <= 0
    editor.status_message = 'E471: codepoint must be positive integer'
    return
  end

  Rvim::Digraphs.define(pair, code)
end

.execute_earlier(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1702

def self.execute_earlier(editor, parsed)
  count, unit = parse_undo_arg(parsed.arg)
  if unit == :count
    count.times { editor.send(:undo, nil) }
  elsif unit == :seconds
    editor.travel_undo_seconds(-count)
  end
end

.execute_execute(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1607

def self.execute_execute(editor, parsed)
  arg = parsed.arg.to_s.strip
  if arg.empty?
    editor.status_message = 'E471: Argument required'
    return
  end

  # Strip a single pair of surrounding quotes; vim's :execute concatenates
  # quoted strings. For v1 we accept a single-quoted form.
  cmd = if (arg.start_with?("'") && arg.end_with?("'") && arg.length >= 2) ||
           (arg.start_with?('"') && arg.end_with?('"') && arg.length >= 2)
          arg[1..-2]
        else
          arg
        end

  cmd = cmd.start_with?(':') ? cmd : ":#{cmd}"
  sub = parse(cmd)
  execute(editor, sub) if sub
end

.execute_filter(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1406

def self.execute_filter(editor, parsed)
  start_line, end_line = resolve_sub_range(editor, parsed.range)
  input = editor.buffer_of_lines[start_line..end_line].join("\n")
  cmd = expand_filenames(editor, parsed.arg.to_s)
  result = Rvim::Filter.run(cmd, input: input, shell: editor.settings.get(:shell), shellcmdflag: editor.settings.get(:shellcmdflag))
  unless result.success?
    editor.status_message = filter_error_status(result)
    return
  end

  out_lines = result.stdout.chomp("\n").split("\n", -1)
  out_lines = [''] if out_lines.empty?
  editor.replace_line_range(start_line, end_line, out_lines)
end

.execute_fold(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1455

def self.execute_fold(editor, parsed)
  arg = parsed.arg.to_s.strip
  if arg.empty?
    editor.create_fold_at_cursor(1)
    return
  end

  a, b = arg.split(/[,\s]+/, 2).map { |t| t.to_i }
  if a && b && a >= 1 && b >= 1
    editor.create_fold_over(a - 1, b - 1)
  else
    editor.status_message = 'E471: Argument required: :fold N,M'
  end
end

.execute_grep(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 800

def self.execute_grep(editor, parsed)
  args = parsed.arg.to_s.strip
  if args.empty?
    editor.status_message = 'E471: usage: :grep PATTERN [FILES]'
    return
  end

  prg = editor.settings.get(:grepprg).to_s
  prg = 'grep -n' if prg.empty?
  cmd = if prg.include?('$*')
          prg.sub('$*', args)
        else
          "#{prg} #{args}"
        end
  result = Rvim::Filter.run(cmd, shell: editor.settings.get(:shell), shellcmdflag: editor.settings.get(:shellcmdflag))
  output = result.stdout.to_s
  gfm = editor.settings.get(:grepformat).to_s
  gfm = editor.settings.get(:errorformat).to_s if gfm.empty?
  entries = Rvim::Errorformat.parse(output, gfm)
  editor.quickfix.set(entries)
  if entries.empty?
    editor.status_message = "E480: No match: #{args}"
  else
    editor.status_message = "(1 of #{entries.size}) #{format_quickfix_summary(entries.first)}"
    jump_to_quickfix_entry(editor, entries.first) unless parsed.bang
  end
end

.execute_help(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1697

def self.execute_help(editor, parsed)
  topic = parsed.arg.to_s.strip
  editor.open_help_buffer(topic.empty? ? nil : topic)
end

.execute_hi(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 950

def self.execute_hi(editor, parsed)
  arg = parsed.arg.to_s.strip
  if arg.empty?
    editor.show_list(format_highlights)
    return
  end

  tokens = arg.split(/\s+/)
  group = tokens.shift

  if group&.casecmp?('clear')
    if tokens.empty?
      Rvim::Highlights.reset_to_defaults!
    else
      Rvim::Highlights.clear(tokens.first)
    end
    return
  end

  attrs = {}
  tokens.each do |t|
    next unless t.include?('=')

    key, val = t.split('=', 2)
    case key.downcase
    when 'ctermfg' then attrs[:fg] = val
    when 'ctermbg' then attrs[:bg] = val
    when 'cterm', 'gui'
      val.to_s.split(',').each do |a|
        case a.downcase
        when 'bold' then attrs[:bold] = true
        when 'italic' then attrs[:italic] = true
        when 'underline' then attrs[:underline] = true
        when 'reverse', 'inverse' then attrs[:reverse] = true
        when 'none' then attrs.merge!(bold: false, italic: false, underline: false, reverse: false)
        end
      end
    end
  end

  Rvim::Highlights.set(group, **attrs)
end

.execute_join(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 687

def self.execute_join(editor, parsed)
  start_line, end_line = if parsed.range
                           resolve_sub_range(editor, parsed.range)
                         else
                           cur = editor.line_index
                           last = [cur + 1, editor.buffer_of_lines.size - 1].min
                           [cur, last]
                         end
  return if start_line >= end_line

  sep = parsed.bang ? '' : ' '
  lines = editor.buffer_of_lines[start_line..end_line]
  first = lines.first.to_s
  rest = lines[1..-1].map { |l| l.to_s.lstrip }
  joined = parsed.bang ? (first + rest.join) : ([first.rstrip, *rest.reject(&:empty?)].join(sep))
  editor.replace_line_range(start_line, end_line, [joined])
end

.execute_later(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1711

def self.execute_later(editor, parsed)
  count, unit = parse_undo_arg(parsed.arg)
  if unit == :count
    count.times { editor.send(:redo, nil) }
  elsif unit == :seconds
    editor.travel_undo_seconds(count)
  end
end

.execute_let(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1472

def self.execute_let(editor, parsed)
  arg = parsed.arg.to_s.strip
  m = LET_RE.match(arg)
  unless m
    editor.status_message = 'E121: Undefined variable: usage :let name = value'
    return
  end

  raw = m[:value].strip
  value = if raw.start_with?("'") && raw.end_with?("'") && raw.length >= 2
            raw[1..-2]
          elsif raw.start_with?('"') && raw.end_with?('"') && raw.length >= 2
            raw[1..-2]
          else
            raw
          end
  editor.let_vars[m[:name]] = value
end

.execute_lgrep(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1134

def self.execute_lgrep(editor, parsed)
  list = current_location_list(editor)
  return unless list

  args = parsed.arg.to_s.strip
  if args.empty?
    editor.status_message = 'E471: usage: :lgrep PATTERN [FILES]'
    return
  end

  prg = editor.settings.get(:grepprg).to_s
  prg = 'grep -n $* /dev/null' if prg.empty?
  cmd = prg.include?('$*') ? prg.sub('$*', args) : "#{prg} #{args}"
  result = Rvim::Filter.run(cmd, shell: editor.settings.get(:shell), shellcmdflag: editor.settings.get(:shellcmdflag))
  gfm = editor.settings.get(:grepformat).to_s
  gfm = editor.settings.get(:errorformat).to_s if gfm.empty?
  entries = Rvim::Errorformat.parse(result.stdout.to_s, gfm)
  list.set(entries)
  report_list_status(editor, entries, parsed.bang, "E480: No match: #{args}")
end

.execute_ll(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1102

def self.execute_ll(editor, parsed)
  list = current_location_list(editor)
  if list.nil? || list.empty?
    editor.status_message = 'E776: no location list'
    return
  end

  n = parsed.arg.to_s.strip
  idx = n.empty? ? list.index : n.to_i - 1
  entry = list.at(idx)
  if entry
    jump_to_quickfix_entry(editor, entry)
  else
    editor.status_message = 'E553: No more items'
  end
end

.execute_lmake(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1119

def self.execute_lmake(editor, parsed)
  list = current_location_list(editor)
  return unless list

  args = parsed.arg.to_s
  prg = editor.settings.get(:makeprg).to_s
  prg = 'make' if prg.empty?
  cmd = args.empty? ? prg : "#{prg} #{args}"
  result = Rvim::Filter.run(cmd, shell: editor.settings.get(:shell), shellcmdflag: editor.settings.get(:shellcmdflag))
  output = result.stdout.to_s + result.stderr.to_s
  entries = Rvim::Errorformat.parse(output, editor.settings.get(:errorformat))
  list.set(entries)
  report_list_status(editor, entries, parsed.bang, '(No errors)')
end

.execute_lnext(editor, _parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1078

def self.execute_lnext(editor, _parsed)
  list = current_location_list(editor)
  if list.nil? || list.empty?
    editor.status_message = 'E776: no location list'
    return
  end

  entry = list.advance(+1)
  jump_to_quickfix_entry(editor, entry)
  editor.status_message = "(#{list.index + 1} of #{list.size}) #{format_quickfix_summary(entry)}"
end

.execute_lprev(editor, _parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1090

def self.execute_lprev(editor, _parsed)
  list = current_location_list(editor)
  if list.nil? || list.empty?
    editor.status_message = 'E776: no location list'
    return
  end

  entry = list.advance(-1)
  jump_to_quickfix_entry(editor, entry)
  editor.status_message = "(#{list.index + 1} of #{list.size}) #{format_quickfix_summary(entry)}"
end

.execute_lvimgrep(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1071

def self.execute_lvimgrep(editor, parsed)
  list = current_location_list(editor)
  return unless list

  run_vimgrep(editor, parsed, list, label: 'location list')
end

.execute_make(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 783

def self.execute_make(editor, parsed)
  args = parsed.arg.to_s
  prg = editor.settings.get(:makeprg).to_s
  prg = 'make' if prg.empty?
  cmd = args.empty? ? prg : "#{prg} #{args}"
  result = Rvim::Filter.run(cmd, shell: editor.settings.get(:shell), shellcmdflag: editor.settings.get(:shellcmdflag))
  output = result.stdout.to_s + result.stderr.to_s
  entries = Rvim::Errorformat.parse(output, editor.settings.get(:errorformat))
  editor.quickfix.set(entries)
  if entries.empty?
    editor.status_message = '(No errors)'
  else
    editor.status_message = "(1 of #{entries.size}) #{format_quickfix_summary(entries.first)}"
    jump_to_quickfix_entry(editor, entries.first) unless parsed.bang
  end
end

.execute_map(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 535

def self.execute_map(editor, parsed)
  arg = parsed.arg.to_s.strip
  modes = Rvim::Keymap.modes_for(parsed.verb, bang: parsed.bang)

  if arg.empty?
    editor.show_list(format_mappings(editor, modes))
    return
  end

  silent = false
  while (m = MAP_MODIFIER_RE.match(arg))
    silent = true if m[1].downcase == 'silent'
    arg = arg[m[0].length..-1]
  end

  lhs_raw, rhs_raw = arg.split(/\s+/, 2)
  if rhs_raw.nil? || rhs_raw.empty?
    lhs = Rvim::Keymap.expand(lhs_raw, leader: editor.mapleader)
    editor.show_list(format_mappings(editor, modes, lhs_filter: lhs))
    return
  end

  lhs = Rvim::Keymap.expand(lhs_raw, leader: editor.mapleader)
  rhs = Rvim::Keymap.expand(rhs_raw, leader: editor.mapleader)
  recursive = !Rvim::Keymap.noremap?(parsed.verb)
  editor.keymap.add(modes, lhs, rhs, recursive: recursive, silent: silent)
end

.execute_mapclear(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1491

def self.execute_mapclear(editor, parsed)
  modes = Rvim::Keymap.modes_for(parsed.verb, bang: parsed.bang)
  editor.keymap.clear(modes)
end

.execute_mksession(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1756

def self.execute_mksession(editor, parsed)
  arg = parsed.arg.to_s.strip
  target = arg.empty? ? 'Session.vim' : arg
  target = File.expand_path(target)

  if File.exist?(target) && !parsed.bang
    editor.status_message = "E189: \"#{File.basename(target)}\" exists (add ! to override)"
    return
  end

  lines = build_session_script(editor)
  File.write(target, lines.join("\n") + "\n")
  editor.status_message = "Session written to #{target}"
rescue => e
  editor.status_message = "E: mksession: #{e.message}"
end

.execute_move(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 656

def self.execute_move(editor, parsed)
  start_line, end_line = resolve_range_default_current(editor, parsed)
  target = parsed.arg.to_i
  last = editor.buffer_of_lines.size - 1
  target = target.clamp(0, last + 1)

  moving = editor.buffer_of_lines[start_line..end_line].map(&:dup)
  # Remove from original position
  editor.buffer_of_lines.slice!(start_line, end_line - start_line + 1)
  # Adjust target if it was AFTER the cut
  target -= (end_line - start_line + 1) if target > end_line
  target = target.clamp(0, editor.buffer_of_lines.size)
  editor.buffer_of_lines.insert(target, *moving)
  editor.instance_variable_set(:@line_index, target.clamp(0, [editor.buffer_of_lines.size - 1, 0].max))
  editor.instance_variable_set(:@byte_pointer, 0)
  editor.modified = true
end

.execute_nohlsearch(editor, _parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 705

def self.execute_nohlsearch(editor, _parsed)
  editor.instance_variable_set(:@search_matches, [])
  editor.instance_variable_set(:@search_pattern, nil)
end

.execute_packadd(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1571

def self.execute_packadd(editor, parsed)
  arg = parsed.arg.to_s.strip
  if arg.empty?
    editor.status_message = 'E471: Argument required'
    return
  end

  bang = parsed.bang
  home = File.expand_path('~/.vim')
  candidates = []
  candidates += Dir.glob(File.join(home, 'pack', '*', 'start', arg))
  candidates += Dir.glob(File.join(home, 'pack', '*', 'opt', arg))

  if candidates.empty?
    editor.status_message = "E919: Directory not found in 'packpath': #{arg}"
    return
  end

  pkg_dir = candidates.first
  # Append to runtimepath if not already present.
  rtp = editor.settings.get(:runtimepath).to_s
  unless rtp.split(',').include?(pkg_dir)
    editor.settings.set(:runtimepath, rtp.empty? ? pkg_dir : "#{rtp},#{pkg_dir}")
  end

  # Source plugin/*.vim files unless !bang (which loads structure only).
  return if bang

  Dir.glob(File.join(pkg_dir, 'plugin', '*.vim')).sort.each { |p| editor.source(p) }
end

.execute_put(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 632

def self.execute_put(editor, parsed)
  register = parsed.arg.to_s.strip
  register = nil if register.empty?
  entry = editor.read_register(register)
  return unless entry

  lines = entry.text.to_s.split("\n", -1)
  lines.pop if lines.last == ''

  target = if parsed.range
             _, end_line = resolve_sub_range(editor, parsed.range)
             end_line
           else
             editor.line_index
           end
  target = -1 if parsed.bang # ":put!" puts above current/range start
  if parsed.bang && parsed.range
    start_line, _ = resolve_sub_range(editor, parsed.range)
    target = start_line - 1
  end

  editor.insert_lines_after(target, lines)
end

.execute_pwd(editor, _parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 730

def self.execute_pwd(editor, _parsed)
  editor.status_message = Dir.pwd
end

.execute_quit(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1866

def self.execute_quit(editor, parsed)
  if editor.windows.size > 1
    editor.close_current_window
    return
  end

  # Last window in the current tab. If more tabs exist, close the tab.
  if editor.tabs.size > 1
    editor.tab_close
    return
  end

  if any_modified?(editor) && !parsed.bang
    if editor.settings.get(:confirm)
      confirm_destructive_quit(editor)
    else
      editor.status_message = 'E37: No write since last change (add ! to override)'
    end
  else
    editor.quit!
  end
end

.execute_quit_all(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1889

def self.execute_quit_all(editor, parsed)
  if any_modified?(editor) && !parsed.bang
    if editor.settings.get(:confirm)
      confirm_destructive_quit(editor)
    else
      editor.status_message = 'E37: No write since last change (add ! to override)'
    end
  else
    editor.quit!
  end
end

.execute_read(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1421

def self.execute_read(editor, parsed)
  arg = parsed.arg.to_s.strip
  if arg.empty?
    editor.status_message = 'E32: No file name'
    return
  end

  if arg.start_with?('!')
    cmd = arg.sub(/\A!\s*/, '')
    result = Rvim::Filter.run(cmd, shell: editor.settings.get(:shell), shellcmdflag: editor.settings.get(:shellcmdflag))
    unless result.success?
      editor.status_message = filter_error_status(result)
      return
    end

    out_lines = result.stdout.chomp("\n").split("\n", -1)
    editor.insert_lines_after(editor.line_index, out_lines)
  else
    unless File.exist?(arg)
      editor.status_message = "E484: Can't open file #{arg}"
      return
    end

    out_lines = File.readlines(arg, chomp: true)
    editor.insert_lines_after(editor.line_index, out_lines)
  end
end

.execute_redir(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1813

def self.execute_redir(editor, parsed)
  arg = parsed.arg.to_s.strip
  if arg == 'END' || arg.upcase == 'END'
    editor.close_redir
    return
  end

  m = arg.match(/\A(>>?)\s*(.+)\z/)
  if m
    path = File.expand_path(m[2].strip)
    mode = m[1] == '>>' ? 'a' : 'w'
    editor.open_redir_file(path, mode)
    return
  end

  m = arg.match(/\A@([A-Za-z*"+])\z/)
  if m
    editor.open_redir_register(m[1])
    return
  end

  editor.status_message = 'E474: Invalid argument: usage: :redir > file'
end

.execute_resize(editor, parsed, vertical: false) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1999

def self.execute_resize(editor, parsed, vertical: false)
  arg = parsed.arg.to_s.strip
  return if arg.empty?

  axis = vertical ? :width : :height
  if arg.start_with?('+', '-')
    editor.resize_current(axis, arg.to_i)
  else
    editor.resize_to(axis, arg.to_i)
  end
end

.execute_retab(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 710

def self.execute_retab(editor, parsed)
  width = parsed.arg.to_s.strip
  n = width.empty? ? editor.settings.get(:shiftwidth) : width.to_i
  n = 1 if n.nil? || n <= 0
  spaces = ' ' * n
  editor.buffer_of_lines.each_with_index do |line, i|
    editor.buffer_of_lines[i] = line.gsub("\t", spaces)
  end
  editor.modified = true
end

.execute_runtime(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1546

def self.execute_runtime(editor, parsed)
  arg = parsed.arg.to_s.strip
  if arg.empty?
    editor.status_message = 'E471: Argument required'
    return
  end

  bang = parsed.bang
  pattern = arg
  paths = runtime_paths(editor).flat_map do |dir|
    Dir.glob(File.expand_path(File.join(dir, pattern)))
  end.uniq

  if paths.empty?
    editor.status_message = "E484: Can't find file in 'runtimepath': #{pattern}"
    return
  end

  if bang
    paths.each { |p| editor.source(p) }
  else
    editor.source(paths.first)
  end
end

.execute_set(editor, parsed, local: false) ⇒ Object 



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# File 'lib/rvim/command.rb', line 2031

def self.execute_set(editor, parsed, local: false)
  messages = []
  target_buffer = local ? editor.current_buffer : nil
  Array(parsed.set_options).each do |name, value|
    if editor.settings.known?(name)
      editor.settings.set(name, value, buffer: target_buffer)
      normalized = editor.settings.normalize(name)
      if normalized == :foldmethod
        editor.rebuild_folds_for_method
      elsif normalized == :foldlevel
        editor.apply_fold_level
      end
    else
      messages << "E518: Unknown option: #{name}"
    end
  end
  editor.status_message = messages.join('; ') unless messages.empty?
end

.execute_silent(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1628

def self.execute_silent(editor, parsed)
  arg = parsed.arg.to_s.strip
  return if arg.empty?

  cmd = arg.start_with?(':') ? arg : ":#{arg}"
  sub = parse(cmd)
  execute(editor, sub) if sub
  # Suppress whatever status_message the inner command set.
  editor.status_message = nil
end

.execute_sort(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1299

def self.execute_sort(editor, parsed)
  flags = parsed.arg.to_s
  numeric = flags.include?('n')
  ignorecase = flags.include?('i')
  uniq = flags.include?('u')

  range = parsed.range || :whole
  start_line, end_line = resolve_sub_range(editor, range)
  lines = editor.buffer_of_lines[start_line..end_line].dup

  sort_key = if numeric
               ->(line) { line.to_s[/-?\d+/].to_i }
             elsif ignorecase
               ->(line) { line.to_s.downcase }
             else
               ->(line) { line.to_s }
             end

  sorted = lines.sort_by(&sort_key)
  sorted.reverse! if parsed.bang
  sorted = sorted.uniq if uniq

  editor.replace_line_range(start_line, end_line, sorted)
end

.execute_substitute(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 2057

def self.execute_substitute(editor, parsed)
  sub = parsed.sub
  pattern_ic = sub[:ignorecase] || effective_sub_ignorecase(editor, sub[:pattern])
  pattern = compile_sub_pattern(sub[:pattern], ignorecase: pattern_ic)
  unless pattern
    editor.status_message = "E383: Invalid search string: #{sub[:pattern]}"
    return
  end

  replacement = sub[:replacement].to_s.gsub(/\\\//, '/')
  global = sub[:global]
  start_line, end_line = resolve_sub_range(editor, parsed.range)

  count = 0
  lines = 0
  (start_line..end_line).each do |i|
    line = editor.buffer_of_lines[i]
    new_line, n = if global
                    gsub = line.gsub(pattern) { count += 1; replacement }
                    [gsub, count]
                  else
                    replaced = false
                    s = line.sub(pattern) do
                      replaced = true
                      count += 1
                      replacement
                    end
                    [s, replaced ? 1 : 0]
                  end
    if new_line != line
      editor.buffer_of_lines[i] = new_line
      lines += 1
      editor.modified = true
    end
    _ = n
  end
  editor.status_message = "#{count} substitution#{count == 1 ? '' : 's'} on #{lines} line#{lines == 1 ? '' : 's'}"
end

.execute_tabdo(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 843

def self.execute_tabdo(editor, parsed)
  cmd = parsed.arg.to_s
  return if cmd.empty?

  saved_idx = editor.current_tab_index
  editor.tabs.size.times do |i|
    editor.swap_to_tab(i)
    execute(editor, parse(cmd))
  end
  editor.swap_to_tab(saved_idx) if saved_idx && saved_idx < editor.tabs.size
end

.execute_tabmove(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1984

def self.execute_tabmove(editor, parsed)
  arg = parsed.arg.to_s.strip
  return if editor.tabs.size <= 1

  src = editor.current_tab_index
  dst = if arg.empty?
          editor.tabs.size - 1
        elsif arg.start_with?('+', '-')
          src + arg.to_i
        else
          arg.to_i
        end
  editor.tab_move(dst)
end

.execute_tag(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 900

def self.execute_tag(editor, parsed)
  arg = parsed.arg.to_s.strip
  if arg.empty?
    editor.status_message = 'E471: usage: :tag NAME'
    return
  end

  editor.tag_jump(arg)
end

.execute_terminal(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1737

def self.execute_terminal(editor, parsed)
  cmd = parsed.arg.to_s.strip
  cmd = editor.settings.get(:shell).to_s if cmd.empty?
  cmd = '/bin/sh' if cmd.empty?

  result = Rvim::Filter.run(
    cmd,
    shell: editor.settings.get(:shell).to_s,
    shellcmdflag: editor.settings.get(:shellcmdflag).to_s,
  )

  output = result.stdout.to_s
  output += result.stderr.to_s if result.stderr && !result.stderr.empty?
  lines = output.lines.map { |l| l.chomp }
  lines = [''] if lines.empty?

  editor.open_terminal_buffer("term://#{cmd}", lines, status: result.status.exitstatus)
end

.execute_unabbrev(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1530

def self.execute_unabbrev(editor, parsed)
  arg = parsed.arg.to_s.strip
  if arg.empty?
    editor.status_message = 'E474: Argument required'
    return
  end

  modes = ABBREV_MODES[parsed.verb] || %i[insert cmdline]
  editor.abbreviations.remove(modes, arg)
end

.execute_unmap(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 563

def self.execute_unmap(editor, parsed)
  arg = parsed.arg.to_s.strip
  if arg.empty?
    editor.status_message = 'E474: Invalid argument: usage: :unmap lhs'
    return
  end

  lhs = Rvim::Keymap.expand(arg, leader: editor.mapleader)
  modes = Rvim::Keymap.modes_for(parsed.verb, bang: parsed.bang)
  editor.keymap.remove(modes, lhs)
end

.execute_user_command(editor, uc, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1805

def self.execute_user_command(editor, uc, parsed)
  args = parsed.arg.to_s
  body = uc.body.gsub('<args>', args).gsub('<bang>', parsed.bang ? '!' : '')
  cmd = body.start_with?(':') ? body : ":#{body}"
  sub = parse(cmd)
  execute(editor, sub) if sub
end

.execute_user_command_def(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1663

def self.execute_user_command_def(editor, parsed)
  arg = parsed.arg.to_s.strip
  if arg.empty?
    rows = ['user commands:'] + editor.user_commands.values.map { |uc| "  #{uc.name}    #{uc.body}" }
    editor.show_list(rows)
    return
  end

  m = USER_COMMAND_RE.match(arg)
  unless m
    editor.status_message = 'E182: Invalid command name'
    return
  end

  name = m[:name]
  if !parsed.bang && editor.user_commands.key?(name)
    editor.status_message = "E174: Command already exists: add ! to replace it: #{name}"
    return
  end

  editor.user_commands[name] = UserCommand.new(name: name, nargs: m[:nargs] || '0', body: m[:body])
end

.execute_user_command_del(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1686

def self.execute_user_command_del(editor, parsed)
  arg = parsed.arg.to_s.strip
  if arg.empty?
    editor.status_message = 'E471: Argument required'
    return
  end
  unless editor.user_commands.delete(arg)
    editor.status_message = "E184: No such user-defined command: #{arg}"
  end
end

.execute_verbose(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1639

def self.execute_verbose(editor, parsed)
  arg = parsed.arg.to_s.strip
  return if arg.empty?

  # Optional level prefix: :verbose 9 cmd. Default 1.
  level = 1
  m = arg.match(/\A(\d+)\s+(.*)\z/)
  if m
    level = m[1].to_i
    arg = m[2]
  end
  saved = editor.settings.get(:verbose)
  editor.settings.set(:verbose, level)
  cmd = arg.start_with?(':') ? arg : ":#{arg}"
  sub = parse(cmd)
  execute(editor, sub) if sub
ensure
  editor.settings.set(:verbose, saved) if saved
end

.execute_vimgrep(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1227

def self.execute_vimgrep(editor, parsed)
  run_vimgrep(editor, parsed, editor.quickfix, label: 'quickfix')
end

.execute_windo(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 855

def self.execute_windo(editor, parsed)
  cmd = parsed.arg.to_s
  return if cmd.empty?

  saved = editor.current_window
  editor.windows.dup.each do |win|
    editor.send(:activate_window, win)
    execute(editor, parse(cmd))
  end
  editor.send(:activate_window, saved) if saved && editor.windows.include?(saved)
end

.execute_write(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1854

def self.execute_write(editor, parsed)
  target = parsed.arg && !parsed.arg.empty? ? parsed.arg : editor.filepath
  if target.nil?
    editor.status_message = 'E32: No file name'
    return
  end
  editor.save(target)
  editor.status_message = "\"#{target}\" written"
rescue => e
  editor.status_message = "E: #{e.message}"
end

.execute_yank(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 619

def self.execute_yank(editor, parsed)
  start_line, end_line = resolve_range_default_current(editor, parsed)
  register = parsed.arg.to_s.strip
  lines = editor.buffer_of_lines[start_line..end_line]
  text = lines.map(&:to_s).join("\n")
  kind = :line
  if register.empty?
    editor.send(:write_register, text, kind, register: nil)
  else
    editor.send(:write_register, text, kind, register: register)
  end
end

.expand_filenames(editor, str) ⇒ Object

Replace standalone % with current filepath and # with alternate. Use % / # to escape.



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# File 'lib/rvim/command.rb', line 760

def self.expand_filenames(editor, str)
  out = +''
  i = 0
  bytes = str.to_s
  while i < bytes.length
    c = bytes[i]
    if c == '\\' && (bytes[i + 1] == '%' || bytes[i + 1] == '#')
      out << bytes[i + 1]
      i += 2
    elsif c == '%' && editor.filepath
      out << editor.filepath
      i += 1
    elsif c == '#' && editor.alternate_filepath
      out << editor.alternate_filepath
      i += 1
    else
      out << c
      i += 1
    end
  end
  out
end

.filter_error_status(result) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1449

def self.filter_error_status(result)
  msg = result.stderr.lines.first&.chomp
  msg = "exit #{result.status.exitstatus}" if msg.nil? || msg.empty?
  "E: filter: #{msg[0, 60]}"
end

.format_abbreviations(editor, modes, lhs_filter: nil) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1839

def self.format_abbreviations(editor, modes, lhs_filter: nil)
  header = '   mode  lhs                rhs'
  rows = []
  modes.each do |mode|
    editor.abbreviations.each(mode) do |lhs, entry|
      next if lhs_filter && lhs != lhs_filter

      tag = ABBREV_MODE_TAGS[mode] || ' '
      marker = entry.recursive ? ' ' : '*'
      rows << format('   %s%s    %-18s %s', tag, marker, lhs, entry.rhs)
    end
  end
  [header] + rows
end

.format_autocommands(editor) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1368

def self.format_autocommands(editor)
  header = '   group     event           pattern         command'
  rows = []
  editor.autocommands.each do |e|
    rows << format(
      '   %-9s %-15s %-15s %s',
      (e.group || '').to_s[0, 9],
      e.event.to_s[0, 15],
      e.pattern.to_s[0, 15],
      e.command.to_s,
    )
  end
  ['Autocommands', header, *rows]
end

.format_buffers(editor) ⇒ Object 



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# File 'lib/rvim/command.rb', line 2020

def self.format_buffers(editor)
  header = '  N  flags  Name'
  rows = editor.buffer_order.map do |id|
    b = editor.buffers[id]
    cur = (id == editor.current_buffer&.id) ? '%' : ' '
    mod = b.modified ? '+' : ' '
    format('%s %2d  %s     %s', cur, id, mod, b.display_name)
  end
  [header, *rows]
end

.format_digraphs ⇒ Object 



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# File 'lib/rvim/command.rb', line 941

def self.format_digraphs
  header = '   pair  char  codepoint'
  rows = []
  Rvim::Digraphs.each do |pair, ch|
    rows << format('   %-4s  %-4s  U+%04X', pair, ch, ch.codepoints.first || 0)
  end
  ['Digraphs', header, *rows]
end

.format_highlights ⇒ Object 



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# File 'lib/rvim/command.rb', line 993

def self.format_highlights
  header = '   group         fg              bg              attrs'
  rows = Rvim::Highlights.groups.map do |name, attr|
    attrs = []
    attrs << 'bold' if attr.bold
    attrs << 'italic' if attr.italic
    attrs << 'underline' if attr.underline
    attrs << 'reverse' if attr.reverse
    format(
      '   %-13s %-15s %-15s %s',
      name[0, 13],
      (attr.fg || '').to_s[0, 15],
      (attr.bg || '').to_s[0, 15],
      attrs.join(','),
    )
  end
  ['Highlight groups', header, *rows]
end

.format_history(editor) ⇒ Object 



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# File 'lib/rvim/command.rb', line 2011

def self.format_history(editor)
  header = '      #  cmd'
  hist = editor.ex_history
  rows = hist.each_with_index.map do |line, i|
    format('%7d  %s', i + 1, line)
  end
  ['Command Line History', header, *rows]
end

.format_jumps(editor) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1953

def self.format_jumps(editor)
  header = ' jump line  col  text'
  jumps = editor.jump_list || []
  idx = editor.jump_index || 0
  rows = jumps.each_with_index.map do |(line, col), i|
    marker = (i == idx) ? '>' : ' '
    text = (editor.buffer_of_lines[line] || '').lstrip[0, 60]
    format('%s %4d  %4d  %4d  %s', marker, jumps.size - i, line + 1, col, text)
  end
  [header, *rows]
end

.format_location_list(editor) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1174

def self.format_location_list(editor)
  win = editor.current_window
  return ['No window'] unless win

  list = win.location_list
  header = '   #  file:line:col  text'
  rows = list.entries.each_with_index.map do |e, i|
    marker = i == list.index ? '>' : ' '
    format('%s %3d  %s:%d:%d  %s', marker, i + 1, e.file, e.line, e.col, e.text.to_s[0, 80])
  end
  ['Location list', header, *rows]
end

.format_mappings(editor, modes, lhs_filter: nil) ⇒ Object 



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# File 'lib/rvim/command.rb', line 583

def self.format_mappings(editor, modes, lhs_filter: nil)
  header = '   mode  lhs                rhs'
  rows = []
  modes.each do |mode|
    editor.keymap.each(mode) do |lhs, mapping|
      next if lhs_filter && lhs != lhs_filter

      tag = MODE_TAGS[mode] || ' '
      marker = mapping.recursive ? ' ' : '*'
      rows << format(
        '   %s%s    %-18s %s',
        tag,
        marker,
        Rvim::Keymap.render(lhs),
        Rvim::Keymap.render(mapping.rhs),
      )
    end
  end
  ['Mappings', header, *rows]
end

.format_marks(editor) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1965

def self.format_marks(editor)
  header = 'mark  line  col  file/text'
  rows = []
  # Local marks (a-z) — fetch from current buffer
  local = editor.instance_variable_get(:@marks).instance_variable_get(:@table)
  local.sort.each do |name, (line, col)|
    text = editor.buffer_of_lines[line].to_s.lstrip[0, 60]
    rows << format(' %s   %4d  %4d  %s', name, line + 1, col, text)
  end
  # Global marks (A-Z)
  global = editor.instance_variable_get(:@global_marks).instance_variable_get(:@table)
  global.sort.each do |name, (buf_id, line, col)|
    buf = editor.buffers[buf_id]
    info = buf ? buf.display_name : "(buffer #{buf_id})"
    rows << format(' %s   %4d  %4d  %s', name, line + 1, col, info)
  end
  [header, *rows]
end

.format_quickfix(editor) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1285

def self.format_quickfix(editor)
  header = '   #  file:line:col  text'
  rows = []
  editor.quickfix.entries.each_with_index do |e, i|
    marker = i == editor.quickfix.index ? '>' : ' '
    rows << format('%s %3d  %s:%d:%d  %s', marker, i + 1, e.file, e.line, e.col, e.text.to_s[0, 80])
  end
  ['Quickfix', header, *rows]
end

.format_quickfix_summary(entry) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1295

def self.format_quickfix_summary(entry)
  "#{entry.file}:#{entry.line}:#{entry.col} #{entry.text.to_s[0, 60]}"
end

.format_registers(editor, filter: nil) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1930

def self.format_registers(editor, filter: nil)
  header = 'type  name  content'
  table = editor.instance_variable_get(:@registers).instance_variable_get(:@table) || {}
  rows = []
  # Order: " (unnamed), "0-"9 (numbered), "a-"z (named)
  ordered_keys = ['"', *('0'..'9'), *('a'..'z')].select { |k| table[k] }
  ordered_keys = ordered_keys & filter if filter && !filter.empty?
  ordered_keys.each do |name|
    entry = table[name]
    next unless entry

    kind = KIND_TAGS[entry.kind] || '?'
    text = entry.text.is_a?(Array) ? entry.text.join("\\n") : entry.text.to_s
    preview = text.gsub("\n", '\\n')[0, 60]
    rows << format('   %s   "%s   %s', kind, name, preview)
  end
  # Add "% if filepath set and not filtered out
  if editor.filepath && (filter.nil? || filter.empty? || filter.include?('%'))
    rows << format('   c   "%%   %s', editor.filepath[0, 60])
  end
  [header, *rows]
end

.format_tag_stack(editor) ⇒ Object 



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# File 'lib/rvim/command.rb', line 910

def self.format_tag_stack(editor)
  header = '   #  name              file:line'
  rows = editor.tag_stack.each_with_index.map do |e, i|
    format('   %2d  %-16s  %s:%d', i + 1, e[:name].to_s[0, 16], (e[:file] || '').to_s, e[:line_index] + 1)
  end
  ['Tag stack', header, *rows]
end

.format_undo_list(editor) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1793

def self.format_undo_list(editor)
  rows = ['number changes  when']
  stamps = editor.undo_timestamps || []
  hist = editor.instance_variable_get(:@undo_redo_history) || []
  hist.each_with_index do |_, i|
    when_ago = stamps[i] ? "#{(Time.now - stamps[i]).to_i}s ago" : '?'
    marker = i == editor.instance_variable_get(:@undo_redo_index) ? '>' : ' '
    rows << format(' %s%5d %7d  %s', marker, i, i, when_ago)
  end
  rows
end

.jump_to_quickfix_entry(editor, entry) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1273

def self.jump_to_quickfix_entry(editor, entry)
  return unless entry

  if entry.file && entry.file != editor.filepath
    editor.open(entry.file)
  end
  editor.push_jump
  editor.instance_variable_set(:@line_index, [entry.line - 1, 0].max)
  target_line = editor.buffer_of_lines[editor.line_index] || ''
  editor.instance_variable_set(:@byte_pointer, (entry.col - 1).clamp(0, target_line.bytesize))
end

.parse(input) ⇒ Object 



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# File 'lib/rvim/command.rb', line 31

def self.parse(input)
  str = input.to_s.dup
  str = str[1..] if str.start_with?(':')
  str.strip!
  return nil if str.empty?

  if (m = SUBSTITUTE_RE.match(str))
    return Parsed.new(
      verb: :sub,
      range: parse_range(m[:range]),
      sub: {
        pattern: m[:pat],
        replacement: m[:rep],
        global: m[:flags].to_s.include?('g'),
        ignorecase: m[:flags].to_s.include?('i'),
      },
      arg: nil,
      bang: false,
      line_number: nil,
    )
  end

  if (m = FILTER_RE.match(str))
    if m[:range]
      return Parsed.new(verb: :filter, range: parse_range(m[:range]), arg: m[:cmd], bang: false, line_number: nil)
    else
      return Parsed.new(verb: :bang, arg: m[:cmd], bang: false, line_number: nil)
    end
  end

  if (m = SORT_RE.match(str))
    return Parsed.new(
      verb: :sort,
      range: m[:range] ? parse_range(m[:range]) : nil,
      arg: m[:flags].to_s,
      bang: !m[:bang].nil?,
      line_number: nil,
    )
  end

  if str.match?(/\A\d+\z/)
    return Parsed.new(verb: :goto, arg: nil, bang: false, line_number: str.to_i)
  end

  # Generic range prefix: strip a leading range like 5,10 or % or '<,'>
  # if it's followed by an alphabetic verb. Substitute/filter/sort have
  # their own range parsing above, so they never reach this path.
  generic_range = nil
  if (m = /\A(?<r>%|\d+(?:,\d+)?|'<,'>)\s*(?<rest>[a-zA-Z].*)\z/.match(str))
    generic_range = parse_range(m[:r])
    str = m[:rest]
  end

  tokens = str.split(/\s+/, 2)
  head = tokens[0]
  arg = tokens[1]
  # Allow short verbs with an immediate numeric argument (e.g. :1t2, :5d3).
  # Split the leading letters off the head when the rest is digits.
  if (m = /\A(?<verb>[a-zA-Z]+!?)(?<rest>\d.*)\z/.match(head))
    head = m[:verb]
    arg = arg ? "#{m[:rest]} #{arg}" : m[:rest]
  end
  bang = head.end_with?('!')
  verb_str = bang ? head.chomp('!') : head

  verb = case verb_str
         when 'w', 'write' then :w
         when 'q', 'quit' then :q
         when 'qa', 'qall', 'quitall' then :qa
         when 'wq' then :wq
         when 'x' then :wq
         when 'cq', 'cquit' then :cq
         when 'e', 'edit' then :e
         when 'r', 'read' then :r
         when 'bn', 'bnext' then :bn
         when 'bp', 'bprev', 'bprevious' then :bp
         when 'b', 'buffer' then :b
         when 'bd', 'bdelete' then :bd
         when 'sp', 'split' then :sp
         when 'vsp', 'vsplit' then :vsp
         when 'set', 'se' then :set
         when 'setlocal', 'setl' then :setlocal
         when 'ls', 'buffers', 'files' then :ls
         when 'marks' then :marks
         when 'jumps' then :jumps
         when 'registers', 'reg', 'display' then :registers
         when 'tabnext', 'tabn' then :tabnext
         when 'tabprev', 'tabp', 'tabprevious', 'tabNext' then :tabprev
         when 'tabnew', 'tabe', 'tabedit' then :tabnew
         when 'tabclose', 'tabc' then :tabclose
         when 'tabonly', 'tabo' then :tabonly
         when 'tabmove', 'tabm' then :tabmove
         when 'resize', 'res' then :resize
         when 'vertical' then :vertical
         when 'source', 'so' then :source
         when 'runtime', 'runt' then :runtime
         when 'packadd' then :packadd
         when 'messages', 'mes', 'mess' then :messages
         when 'execute', 'exe' then :execute_cmd
         when 'silent', 'sil' then :silent
         when 'verbose', 'verb' then :verbose
         when 'redir', 'red' then :redir
         when 'command', 'com' then :user_command_def
         when 'delcommand', 'delc' then :user_command_del
         when 'help', 'h' then :help
         when 'helpclose', 'helpc' then :helpclose
         when 'earlier', 'ear' then :earlier
         when 'later', 'lat' then :later
         when 'undolist', 'undol' then :undolist
         when 'mksession', 'mks' then :mksession
         when 'badd', 'bad' then :badd
         when 'terminal', 'term' then :terminal
         when 'lua' then :lua_chunk
         when 'luafile' then :luafile
         when 'history', 'his' then :history
         when 'map' then :map
         when 'nmap' then :nmap
         when 'vmap' then :vmap
         when 'imap' then :imap
         when 'omap' then :omap
         when 'noremap', 'no' then :noremap
         when 'nnoremap', 'nn' then :nnoremap
         when 'vnoremap', 'vn' then :vnoremap
         when 'inoremap', 'ino' then :inoremap
         when 'onoremap', 'ono' then :onoremap
         when 'unmap', 'unm' then :unmap
         when 'nunmap', 'nun' then :nunmap
         when 'vunmap', 'vu' then :vunmap
         when 'iunmap', 'iu' then :iunmap
         when 'ounmap', 'ou' then :ounmap
         when 'mapclear', 'mapc' then :mapclear
         when 'nmapclear', 'nmapc' then :nmapclear
         when 'vmapclear', 'vmapc' then :vmapclear
         when 'imapclear', 'imapc' then :imapclear
         when 'omapclear', 'omapc' then :omapclear
         when 'cmap', 'cm' then :cmap
         when 'cnoremap', 'cno' then :cnoremap
         when 'cunmap', 'cun' then :cunmap
         when 'cmapclear', 'cmapc' then :cmapclear
         when 'abbreviate', 'abbrev', 'ab' then :abbrev
         when 'iabbrev', 'iab' then :iabbrev
         when 'cabbrev', 'ca' then :cabbrev
         when 'noreabbrev', 'norea' then :noreabbrev
         when 'inoreabbrev', 'inoreab' then :inoreabbrev
         when 'cnoreabbrev', 'cnorea' then :cnoreabbrev
         when 'unabbreviate', 'una' then :unabbrev
         when 'iunabbrev', 'iuna' then :iunabbrev
         when 'cunabbrev', 'cuna' then :cunabbrev
         when 'abclear', 'abc' then :abclear
         when 'iabclear', 'iabc' then :iabclear
         when 'cabclear', 'cabc' then :cabclear
         when 'let' then :let
         when 'fold', 'fo' then :fold
         when 'autocmd', 'au' then :autocmd
         when 'augroup', 'aug' then :augroup
         when 'd', 'delete' then :delete
         when 'y', 'yank' then :yank
         when 'p', 'put' then :put
         when 'm', 'move' then :move
         when 'co', 'copy', 't' then :copy
         when 'j', 'join' then :join
         when 'noh', 'nohlsearch' then :nohlsearch
         when 'retab' then :retab
         when 'cd', 'chdir' then :cd
         when 'pwd' then :pwd
         when 'vimgrep', 'vim' then :vimgrep
         when 'cnext', 'cn' then :cnext
         when 'cprev', 'cp', 'cprevious' then :cprev
         when 'cc' then :cc
         when 'clist', 'cl' then :clist
         when 'copen', 'cope' then :copen
         when 'cclose', 'cclo' then :cclose
         when 'lvimgrep', 'lvim' then :lvimgrep
         when 'lnext', 'lne' then :lnext
         when 'lprev', 'lp', 'lprevious' then :lprev
         when 'll' then :ll
         when 'llist', 'll!' then :llist
         when 'lopen', 'lop' then :lopen
         when 'lclose', 'lcl' then :lclose
         when 'lmake' then :lmake
         when 'lgrep' then :lgrep
         when 'diffthis', 'difft' then :diffthis
         when 'diffoff' then :diffoff
         when 'diffupdate', 'diffu' then :diffupdate
         when 'diffsplit', 'diffs' then :diffsplit
         when 'hi', 'highlight' then :hi
         when 'colorscheme', 'colo' then :colorscheme
         when 'digraph', 'digraphs', 'dig' then :digraphs
         when 'tag', 'ta' then :tag
         when 'tags' then :tags_list
         when 'tnext', 'tn' then :tnext
         when 'tprev', 'tp', 'tprevious' then :tprev
         when 'bufdo' then :bufdo
         when 'tabdo' then :tabdo
         when 'windo' then :windo
         when 'argdo' then :argdo
         when 'args', 'ar' then :args
         when 'argadd', 'arga' then :argadd
         when 'make' then :make
         when 'grep' then :grep
         else verb_str.to_sym
         end

  if verb == :set || verb == :setlocal
    set_options = parse_set(arg)
    return Parsed.new(verb: verb, arg: arg, bang: bang, line_number: nil, set_options: set_options)
  end

  Parsed.new(verb: verb, arg: arg, bang: bang, line_number: nil, range: generic_range)
end

.parse_range(token) ⇒ Object 



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# File 'lib/rvim/command.rb', line 259

def self.parse_range(token)
  return :current if token.nil? || token.empty?
  return :whole if token == '%'
  return :visual if token == "'<,'>"

  if token.include?(',')
    a, b = token.split(',').map(&:to_i)
    [a, b]
  else
    [token.to_i, token.to_i]
  end
end

.parse_set(args) ⇒ Object 



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# File 'lib/rvim/command.rb', line 242

def self.parse_set(args)
  args.to_s.split(/\s+/).map do |tok|
    m = tok.match(SET_TOKEN_RE)
    next unless m

    name = m[2]
    if m[1] == 'no'
      [name, false]
    elsif m[3]
      val = m[3].match?(/\A\d+\z/) ? m[3].to_i : m[3]
      [name, val]
    else
      [name, true]
    end
  end.compact
end

.parse_undo_arg(arg) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1720

def self.parse_undo_arg(arg)
  a = arg.to_s.strip
  return [1, :count] if a.empty?

  m = a.match(/\A(\d+)([smhd])?\z/)
  return [1, :count] unless m

  n = m[1].to_i
  case m[2]
  when nil then [n, :count]
  when 's' then [n, :seconds]
  when 'm' then [n * 60, :seconds]
  when 'h' then [n * 3600, :seconds]
  when 'd' then [n * 86_400, :seconds]
  end
end

.report_list_status(editor, entries, bang, empty_message) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1165

def self.report_list_status(editor, entries, bang, empty_message)
  if entries.empty?
    editor.status_message = empty_message
  else
    editor.status_message = "(1 of #{entries.size}) #{format_quickfix_summary(entries.first)}"
    jump_to_quickfix_entry(editor, entries.first) unless bang
  end
end

.resolve_range_default_current(editor, parsed) ⇒ Object 



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# File 'lib/rvim/command.rb', line 734

def self.resolve_range_default_current(editor, parsed)
  if parsed.range
    resolve_sub_range(editor, parsed.range)
  else
    # No range — ":delete N" treats arg as a count when arg looks like a number.
    count = parsed.arg.to_s.strip
    if count =~ /\A\d+\z/
      start_line = editor.line_index
      end_line = [start_line + count.to_i - 1, editor.buffer_of_lines.size - 1].min
      [start_line, end_line]
    else
      [editor.line_index, editor.line_index]
    end
  end
end

.resolve_sub_range(editor, range) ⇒ Object 



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# File 'lib/rvim/command.rb', line 2110

def self.resolve_sub_range(editor, range)
  last = editor.buffer_of_lines.size - 1
  case range
  when :current
    [editor.line_index, editor.line_index]
  when :whole
    [0, last]
  when :visual
    last_visual = editor.instance_variable_get(:@last_visual)
    if last_visual
      al = last_visual[:anchor][0]
      el = last_visual[:last_end][0]
      [[al, el].min, [al, el].max].map { |v| v.clamp(0, last) }
    else
      [editor.line_index, editor.line_index]
    end
  when Array
    a, b = range
    [(a - 1).clamp(0, last), (b - 1).clamp(0, last)]
  else
    [editor.line_index, editor.line_index]
  end
end

.run_vimgrep(editor, parsed, target_list, label:) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1187

def self.run_vimgrep(editor, parsed, target_list, label:)
  arg = parsed.arg.to_s.strip
  m = VIMGREP_RE.match(arg)
  unless m
    editor.status_message = "E682: usage: :#{label.start_with?('loc') ? 'lvimgrep' : 'vimgrep'} /pattern/ {files}"
    return
  end

  begin
    pattern = Regexp.new(m[:pat])
  rescue RegexpError => e
    editor.status_message = "E383: Invalid pattern: #{e.message}"
    return
  end

  entries = []
  m[:files].split(/\s+/).each do |g|
    Dir.glob(g).each do |path|
      next unless File.file?(path)

      File.foreach(path).with_index do |line, i|
        md = pattern.match(line)
        next unless md

        entries << Rvim::Quickfix::Entry.new(
          file: path,
          line: i + 1,
          col: md.begin(0) + 1,
          text: line.chomp,
        )
      end
    end
  end

  target_list.set(entries)
  report_list_status(editor, entries, parsed.bang, "E480: No match: #{m[:pat]}")
end

.runtime_paths(editor) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1602

def self.runtime_paths(editor)
  rtp = editor.settings.get(:runtimepath).to_s
  rtp.split(',').map { |p| File.expand_path(p.strip) }.reject(&:empty?)
end

.save_all_modified(editor) ⇒ Object 



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# File 'lib/rvim/command.rb', line 1915

def self.save_all_modified(editor)
  editor.send(:save_current_buffer) if editor.current_buffer
  editor.buffers.values.each do |b|
    next unless b.modified
    next unless b.filepath

    previous = editor.current_buffer
    editor.swap_to_buffer(b)
    editor.save
    editor.swap_to_buffer(previous) if previous && previous != b
  end
end