Skip to content
Kward Search API index

Class: Kward::PromptInterface::EditorState

Inherits:
Object
  • Object
show all
Defined in:
lib/kward/prompt_interface/editor/state.rb

Overview

Mutable state for the built-in composer file editor.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path:, content:, new_file: false, editor_mode: "modern", readonly: false, diff_view: false, virtual: false, display_path: nil, language: nil) ⇒ EditorState

Returns a new instance of EditorState.



24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 24

def initialize(path:, content:, new_file: false, editor_mode: "modern", readonly: false, diff_view: false, virtual: false, display_path: nil, language: nil)
  @path = virtual ? nil : path.to_s
  @display_path = display_path.to_s.empty? ? path.to_s : display_path.to_s
  @language = language&.to_sym
  @new_file = new_file
  @readonly = readonly
  @diff_view = diff_view
  @virtual = virtual == true
  @file_marker = EditorFileMarker.new(path: @path || @display_path, content: content, new_file: new_file || virtual?)
  @original_content = @file_marker.content
  @original_digest = @file_marker.digest
  @original_mtime = @file_marker.mtime
  @original_size = @file_marker.size
  @text_buffer = EditorBuffer.new(@original_content)
  @buffer = @text_buffer.text
  @cursor = 0
  @viewport_row = 0
  @viewport_column = 0
  @status = nil
  @overwrite_confirmed = false
  @quit_confirmed = false
  @search = EditorSearch.new
  @search_active = @search.active?
  @search_query = @search.query
  @search_direction = @search.direction
  @search_match_ranges = []
  @kill_state = EditorKillRing.new
  @kill_buffer = @kill_state.kill_buffer
  @selections = EditorSelections.new(cursor: @cursor, buffer_length: @buffer.length)
  sync_selection_state
  @editor_mode = normalize_editor_mode(editor_mode)
  @emacs_pending = nil
  @kill_ring = @kill_state.kill_ring
  @last_yank_range = @kill_state.last_yank_range
  @last_yank_index = @kill_state.last_yank_index
  @vibe_state = VibeEditorState.new(editor_mode: @editor_mode)
  sync_vibe_state
  @undo_history = EditorUndoHistory.new
  @undo_stack = @undo_history.undo_stack
  @redo_stack = @undo_history.redo_stack
  @status = default_status
end

Instance Attribute Details

#buffer ⇒ Object

Returns the value of attribute buffer.



20
21
22
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 20

def buffer
  @buffer
end

#diff_view ⇒ Object

Returns the value of attribute diff_view.



21
22
23
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 21

def diff_view
  @diff_view
end

#display_path ⇒ Object (readonly)

Returns the value of attribute display_path.



19
20
21
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 19

def display_path
  @display_path
end

#editor_mode ⇒ Object

Returns the value of attribute editor_mode.



21
22
23
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 21

def editor_mode
  @editor_mode
end

#emacs_pending ⇒ Object

Returns the value of attribute emacs_pending.



21
22
23
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 21

def emacs_pending
  @emacs_pending
end

#kill_buffer ⇒ Object

Returns the value of attribute kill_buffer.



20
21
22
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 20

def kill_buffer
  @kill_buffer
end

#kill_ring ⇒ Object

Returns the value of attribute kill_ring.



20
21
22
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 20

def kill_ring
  @kill_ring
end

#language ⇒ Object (readonly)

Returns the value of attribute language.



19
20
21
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 19

def language
  @language
end

#last_yank_index ⇒ Object

Returns the value of attribute last_yank_index.



20
21
22
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 20

def last_yank_index
  @last_yank_index
end

#last_yank_range ⇒ Object

Returns the value of attribute last_yank_range.



20
21
22
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 20

def last_yank_range
  @last_yank_range
end

#new_file ⇒ Object

Returns the value of attribute new_file.



21
22
23
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 21

def new_file
  @new_file
end

#original_content ⇒ Object (readonly)

Returns the value of attribute original_content.



19
20
21
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 19

def original_content
  @original_content
end

#original_digest ⇒ Object (readonly)

Returns the value of attribute original_digest.



19
20
21
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 19

def original_digest
  @original_digest
end

#original_mtime ⇒ Object (readonly)

Returns the value of attribute original_mtime.



19
20
21
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 19

def original_mtime
  @original_mtime
end

#original_size ⇒ Object (readonly)

Returns the value of attribute original_size.



19
20
21
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 19

def original_size
  @original_size
end

#overwrite_confirmed ⇒ Object

Returns the value of attribute overwrite_confirmed.



21
22
23
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 21

def overwrite_confirmed
  @overwrite_confirmed
end

#path ⇒ Object (readonly)

Returns the value of attribute path.



19
20
21
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 19

def path
  @path
end

#quit_confirmed ⇒ Object

Returns the value of attribute quit_confirmed.



21
22
23
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 21

def quit_confirmed
  @quit_confirmed
end

#readonly ⇒ Object

Returns the value of attribute readonly.



21
22
23
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 21

def readonly
  @readonly
end

#redo_stack ⇒ Object

Returns the value of attribute redo_stack.



20
21
22
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 20

def redo_stack
  @redo_stack
end

#search_active ⇒ Object

Returns the value of attribute search_active.



21
22
23
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 21

def search_active
  @search_active
end

#search_direction ⇒ Object

Returns the value of attribute search_direction.



21
22
23
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 21

def search_direction
  @search_direction
end

#search_match_ranges ⇒ Object (readonly)

Returns the value of attribute search_match_ranges.



22
23
24
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 22

def search_match_ranges
  @search_match_ranges
end

#search_query ⇒ Object

Returns the value of attribute search_query.



21
22
23
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 21

def search_query
  @search_query
end

#status ⇒ Object

Returns the value of attribute status.



21
22
23
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 21

def status
  @status
end

#undo_stack ⇒ Object

Returns the value of attribute undo_stack.



20
21
22
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 20

def undo_stack
  @undo_stack
end

#vibe_state ⇒ Object (readonly)

Returns the value of attribute vibe_state.



118
119
120
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 118

def vibe_state
  @vibe_state
end

#viewport_column ⇒ Object

Returns the value of attribute viewport_column.



21
22
23
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 21

def viewport_column
  @viewport_column
end

#viewport_row ⇒ Object

Returns the value of attribute viewport_row.



21
22
23
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 21

def viewport_row
  @viewport_row
end

Instance Method Details

#add_next_occurrence_selection ⇒ Object 



888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 888

def add_next_occurrence_selection
  range = selection_range || word_range_at(@cursor)
  unless range
    @status = "No word under cursor"
    return false
  end

  query = @buffer[range[0]...range[1]].to_s
  if query.empty?
    @status = "No word under cursor"
    return false
  end

  existing_ranges = selection_ranges
  existing_ranges = [range] if existing_ranges.empty?
  start_after = existing_ranges.map(&:last).max || range[1]
  if selection_range.nil?
    set_selections([{ anchor: range[0], cursor: range[1] }])
    @status = "Selected: #{query}"
    return true
  end

  match = next_occurrence_range(query, start_after, existing_ranges)
  unless match
    @status = "No more matches: #{query}"
    return false
  end

  add_selection(match[0], match[1])
  @status = "Added cursor for: #{query}"
  true
end

#add_selection(anchor, cursor = anchor) ⇒ Object 



344
345
346
347
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 344

def add_selection(anchor, cursor = anchor)
  @selections.add(anchor, cursor)
  sync_selection_state
end

#add_vertical_cursor(direction) ⇒ Object 



921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 921

def add_vertical_cursor(direction)
  source = direction == :up ? selections.min_by { |selection| selection[:cursor] } : selections.max_by { |selection| selection[:cursor] }
  line, column = cursor_line_and_column_for(source[:cursor])
  target_line = direction == :up ? line - 1 : line + 1
  if target_line.negative? || target_line >= lines.length
    @status = direction == :up ? "No line above" : "No line below"
    return false
  end

  target_column = [column, lines[target_line].to_s.length].min
  offset = line_start_offset(target_line) + target_column
  add_selection(offset, offset)
  @status = direction == :up ? "Added cursor above" : "Added cursor below"
  true
end

#append_search(text) ⇒ Object 



980
981
982
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 980

def append_search(text)
  apply_search_result(@search.append(text, buffer: @buffer, cursor: @cursor))
end

#begin_search(direction = :forward) ⇒ Object 



963
964
965
966
967
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 963

def begin_search(direction = :forward)
  @status = @search.begin(direction, cursor: @cursor)
  sync_search_state
  true
end

#begin_selection ⇒ Object 



717
718
719
720
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 717

def begin_selection
  self.selection_anchor = @cursor
  @status = "Selection started"
end

#bind_path(path) ⇒ Object 



367
368
369
370
371
372
373
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 367

def bind_path(path)
  @path = path.to_s
  @display_path = @path
  @virtual = false
  @new_file = !File.exist?(@path)
  @file_marker = EditorFileMarker.new(path: @path, content: @original_content, new_file: true)
end

#cancel_search(restore_cursor: true) ⇒ Object 



969
970
971
972
973
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 969

def cancel_search(restore_cursor: true)
  apply_search_result(@search.cancel(restore_cursor: restore_cursor))
  @search_match_ranges = []
  true
end

#clear_search_highlights ⇒ Object 



975
976
977
978
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 975

def clear_search_highlights
  @search_match_ranges = []
  true
end

#clear_selection ⇒ Object 



722
723
724
725
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 722

def clear_selection
  @selections.clear
  sync_selection_state
end

#collapse_to_primary_selection ⇒ Object 



349
350
351
352
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 349

def collapse_to_primary_selection
  @selections.collapse_to_primary
  sync_selection_state
end

#confirm_search ⇒ Object 



988
989
990
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 988

def confirm_search
  apply_search_result(@search.confirm(buffer: @buffer, cursor: @cursor))
end

#copy_for_kill_ring(start_index, end_index) ⇒ Object 



879
880
881
882
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 879

def copy_for_kill_ring(start_index, end_index)
  start_index, end_index = [start_index, end_index].minmax
  push_kill(@buffer[start_index...end_index].to_s)
end

#copy_range(start_index, end_index) ⇒ Object 



874
875
876
877
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 874

def copy_range(start_index, end_index)
  start_index, end_index = [start_index, end_index].minmax
  self.kill_buffer = @buffer[start_index...end_index].to_s
end

#current_line_range ⇒ Object 



826
827
828
829
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 826

def current_line_range
  line, = cursor_line_and_column
  line_range(line)
end

#cursor ⇒ Object 



309
310
311
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 309

def cursor
  @cursor
end

#cursor=(value) ⇒ Object 



313
314
315
316
317
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 313

def cursor=(value)
  @cursor = clamp_offset(value)
  @selections.cursor = @cursor
  sync_selection_state
end

#cursor_line_and_column ⇒ Object 



403
404
405
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 403

def cursor_line_and_column
  cursor_line_and_column_for(@cursor)
end

#cursor_line_and_column_for(offset) ⇒ Object 



795
796
797
798
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 795

def cursor_line_and_column_for(offset)
  before_cursor = @buffer[0...offset].to_s
  [before_cursor.count("\n"), (before_cursor.split("\n", -1).last || "").length]
end

#cut_range(start_index, end_index) ⇒ Object 



884
885
886
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 884

def cut_range(start_index, end_index)
  kill_range(start_index, end_index)
end

#delete_at_cursor ⇒ Object 



469
470
471
472
473
474
475
476
477
478
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 469

def delete_at_cursor
  return delete_at_selections if multi_cursor?
  return false unless @cursor < @buffer.length

  @text_buffer.delete_range(@cursor, @cursor + 1)
  @buffer = @text_buffer.text
  sync_selection_state
  changed!
  true
end

#delete_at_selections ⇒ Object 



862
863
864
865
866
867
868
869
870
871
872
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 862

def delete_at_selections
  apply_selection_edits do |selection|
    range = selection_range_for(selection)
    if range[0] != range[1]
      ""
    elsif range[1] < @buffer.length
      selection[:cursor] = range[1] + 1
      ""
    end
  end
end

#delete_before_cursor ⇒ Object 



457
458
459
460
461
462
463
464
465
466
467
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 457

def delete_before_cursor
  return delete_before_selections if multi_cursor?
  return false if @cursor.zero?

  @text_buffer.delete_range(@cursor - 1, @cursor)
  @cursor -= 1
  @buffer = @text_buffer.text
  sync_selection_state
  changed!
  true
end

#delete_before_selections ⇒ Object 



850
851
852
853
854
855
856
857
858
859
860
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 850

def delete_before_selections
  apply_selection_edits do |selection|
    range = selection_range_for(selection)
    if range[0] != range[1]
      ""
    elsif range[0].positive?
      selection[:anchor] = range[0] - 1
      ""
    end
  end
end

#delete_search_character ⇒ Object 



984
985
986
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 984

def delete_search_character
  apply_search_result(@search.delete_character(buffer: @buffer, cursor: @cursor))
end

#delete_word_after_cursor ⇒ Object 



653
654
655
656
657
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 653

def delete_word_after_cursor
  return apply_selection_edits { |selection| selection[:cursor] = next_word_boundary(selection_range_for(selection)[1]); "" } if multi_cursor?

  kill_range(@cursor, next_word_boundary(@cursor))
end

#delete_word_before_cursor ⇒ Object 



647
648
649
650
651
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 647

def delete_word_before_cursor
  return apply_selection_edits { |selection| selection[:anchor] = previous_word_boundary(selection_range_for(selection)[0]); "" } if multi_cursor?

  kill_range(previous_word_boundary(@cursor), @cursor)
end

#diff_view? ⇒ Boolean

Returns:

  • (Boolean) 


375
376
377
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 375

def diff_view?
  !@diff_view.nil? && @diff_view != false
end

#dirty? ⇒ Boolean

Returns:

  • (Boolean) 


395
396
397
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 395

def dirty?
  @buffer != @original_content
end

#emacs? ⇒ Boolean

Returns:

  • (Boolean) 


387
388
389
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 387

def emacs?
  @editor_mode == "emacs"
end

#extending_selections ⇒ Object 



955
956
957
958
959
960
961
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 955

def extending_selections
  previous = @extending_selections
  @extending_selections = true
  yield
ensure
  @extending_selections = previous
end

#file_changed_on_disk? ⇒ Boolean

Returns:

  • (Boolean) 


1024
1025
1026
1027
1028
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 1024

def file_changed_on_disk?
  return false if virtual?

  @file_marker.changed_on_disk?(new_file: new_file)
end

#initialize_copy(other) ⇒ Object 



67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 67

def initialize_copy(other)
  super
  @path = other.path&.dup
  @display_path = other.display_path.dup
  @language = other.language
  @virtual = other.virtual?
  @original_content = other.original_content.dup
  @file_marker = EditorFileMarker.new(path: @path || @display_path, content: @original_content, new_file: other.new_file || @virtual)
  @original_digest = other.original_digest.dup
  @original_mtime = other.original_mtime
  @original_size = other.original_size
  @text_buffer = EditorBuffer.new(other.buffer)
  @buffer = @text_buffer.text
  @status = other.status.dup
  @search = EditorSearch.new(direction: other.search_direction)
  @search_active = other.search_active
  @search_query = other.search_query.dup
  @search_direction = other.search_direction
  @search_match_ranges = other.search_match_ranges.map(&:dup)
  @kill_state = EditorKillRing.new(
    kill_buffer: other.kill_buffer.dup,
    kill_ring: other.kill_ring.map(&:dup),
    last_yank_range: other.last_yank_range&.dup,
    last_yank_index: other.last_yank_index
  )
  @kill_buffer = @kill_state.kill_buffer
  @quit_confirmed = other.quit_confirmed
  @viewport_column = other.viewport_column
  @selections = EditorSelections.new(
    cursor: @cursor,
    buffer_length: @buffer.length,
    anchor: other.selection_anchor,
    secondary: other.selections.drop(1).map(&:dup)
  )
  sync_selection_state
  @editor_mode = other.editor_mode.dup
  @emacs_pending = other.emacs_pending&.dup
  @kill_ring = @kill_state.kill_ring
  @last_yank_range = @kill_state.last_yank_range
  @last_yank_index = @kill_state.last_yank_index
  @vibe_state = VibeEditorState.copy(other.vibe_state)
  sync_vibe_state
  @undo_history = EditorUndoHistory.new
  other.undo_stack.each { |entry| @undo_history.undo_stack << duplicate_editor_snapshot(entry) }
  other.redo_stack.each { |entry| @undo_history.redo_stack << duplicate_editor_snapshot(entry) }
  @undo_stack = @undo_history.undo_stack
  @redo_stack = @undo_history.redo_stack
  @readonly = other.readonly
  @diff_view = other.diff_view
end

#insert(text) ⇒ Object 



445
446
447
448
449
450
451
452
453
454
455
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 445

def insert(text)
  text = text.to_s
  return if text.empty?
  return replace_selections(text) if multi_cursor?

  @text_buffer.insert(@cursor, text)
  @cursor += text.length
  @buffer = @text_buffer.text
  sync_selection_state
  changed!
end

#kill_line_after_cursor ⇒ Object 



665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 665

def kill_line_after_cursor
  if multi_cursor?
    return apply_selection_edits do |selection|
      range = selection_range_for(selection)
      selection[:cursor] = line_end_for_offset(range[1])
      selection[:cursor] += 1 if range[0] == selection[:cursor] && selection[:cursor] < @buffer.length
      ""
    end
  end

  if current_line_empty?
    kill_range(empty_line_start, empty_line_end)
  else
    kill_range(@cursor, current_line_end)
  end
end

#kill_line_before_cursor ⇒ Object 



659
660
661
662
663
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 659

def kill_line_before_cursor
  return apply_selection_edits { |selection| selection[:anchor] = line_start_for_offset(selection_range_for(selection)[0]); "" } if multi_cursor?

  kill_range(current_line_start, @cursor)
end

#line_range(line_index) ⇒ Object 



806
807
808
809
810
811
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 806

def line_range(line_index)
  start_index = line_start_offset(line_index)
  end_index = start_index + lines[line_index].to_s.length
  end_index += 1 if end_index < @buffer.length
  [start_index, end_index]
end

#line_start_offset(line_index) ⇒ Object 



800
801
802
803
804
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 800

def line_start_offset(line_index)
  values = lines
  line_index = [[line_index.to_i, 0].max, values.length - 1].min
  values.first(line_index).sum { |line| line.length + 1 }
end

#lines ⇒ Object 



399
400
401
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 399

def lines
  @text_buffer.lines
end

#modern? ⇒ Boolean

Returns:

  • (Boolean) 


383
384
385
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 383

def modern?
  @editor_mode == "modern"
end

#move_down ⇒ Object 



511
512
513
514
515
516
517
518
519
520
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 511

def move_down
  if multi_cursor?
    return move_selection_cursors { |selection| move_offset_vertically(selection[:cursor], 1) } if extending_selections?

    return move_selections { |selection| move_offset_vertically(selection[:cursor], 1) }
  end

  line, column = cursor_line_and_column
  set_cursor_line_and_column(line + 1, column)
end

#move_file_end ⇒ Object 



835
836
837
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 835

def move_file_end
  @cursor = @buffer.length
end

#move_file_start ⇒ Object 



831
832
833
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 831

def move_file_start
  @cursor = 0
end

#move_indentation_down ⇒ Object 



619
620
621
622
623
624
625
626
627
628
629
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 619

def move_indentation_down
  if multi_cursor?
    return move_selection_cursors { |selection| indentation_offset_for(selection[:cursor], :down) } if extending_selections?

    return move_selections { |selection| indentation_offset_for(selection[:cursor], :down) }
  end

  line, column = cursor_line_and_column
  target_line = next_indentation_line(line, indentation_level_for_line(line))
  move_to_indentation_line(target_line, column)
end

#move_indentation_right ⇒ Object 



631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 631

def move_indentation_right
  if multi_cursor?
    return move_selection_cursors { |selection| indentation_right_offset_for(selection[:cursor]) } if extending_selections?

    return move_selections { |selection| indentation_right_offset_for(selection[:cursor]) }
  end

  line, column = cursor_line_and_column
  indentation = indentation_level_for_line(line)
  if column < indentation
    set_cursor_line_and_column(line, indentation)
  else
    move_to_word_end
  end
end

#move_indentation_up ⇒ Object 



607
608
609
610
611
612
613
614
615
616
617
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 607

def move_indentation_up
  if multi_cursor?
    return move_selection_cursors { |selection| indentation_offset_for(selection[:cursor], :up) } if extending_selections?

    return move_selections { |selection| indentation_offset_for(selection[:cursor], :up) }
  end

  line, column = cursor_line_and_column
  target_line = previous_indentation_line(line, indentation_level_for_line(line))
  move_to_indentation_line(target_line, column)
end

#move_left ⇒ Object 



480
481
482
483
484
485
486
487
488
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 480

def move_left
  if multi_cursor?
    return move_selection_cursors { |selection| [selection[:cursor] - 1, 0].max } if extending_selections?

    return move_selections { |selection| collapse_or_move_left(selection) }
  end

  @cursor -= 1 if @cursor.positive?
end

#move_line_end ⇒ Object 



544
545
546
547
548
549
550
551
552
553
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 544

def move_line_end
  if multi_cursor?
    return move_selection_cursors { |selection| line_end_for_offset(selection[:cursor]) } if extending_selections?

    return move_selections { |selection| line_end_for_offset(selection[:cursor]) }
  end

  line, = cursor_line_and_column
  set_cursor_line_and_column(line, lines[line].length)
end

#move_line_first_non_blank ⇒ Object 



533
534
535
536
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 533

def move_line_first_non_blank
  line, = cursor_line_and_column
  move_to_line_first_non_blank(line)
end

#move_line_start ⇒ Object 



522
523
524
525
526
527
528
529
530
531
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 522

def move_line_start
  if multi_cursor?
    return move_selection_cursors { |selection| line_start_for_offset(selection[:cursor]) } if extending_selections?

    return move_selections { |selection| line_start_for_offset(selection[:cursor]) }
  end

  line, = cursor_line_and_column
  set_cursor_line_and_column(line, 0)
end

#move_right ⇒ Object 



490
491
492
493
494
495
496
497
498
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 490

def move_right
  if multi_cursor?
    return move_selection_cursors { |selection| [selection[:cursor] + 1, @buffer.length].min } if extending_selections?

    return move_selections { |selection| collapse_or_move_right(selection) }
  end

  @cursor += 1 if @cursor < @buffer.length
end

#move_to_line_first_non_blank(line_index) ⇒ Object 



538
539
540
541
542
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 538

def move_to_line_first_non_blank(line_index)
  line = [[line_index.to_i, 0].max, lines.length - 1].min
  column = lines[line].to_s.index(/\S/) || 0
  set_cursor_line_and_column(line, column)
end

#move_to_next_word ⇒ Object 



587
588
589
590
591
592
593
594
595
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 587

def move_to_next_word
  if multi_cursor?
    return move_selection_cursors { |selection| next_word_boundary(selection[:cursor]) } if extending_selections?

    return move_selections { |selection| next_word_boundary(selection[:cursor]) }
  end

  @cursor = next_word_boundary(@cursor)
end

#move_to_previous_word ⇒ Object 



577
578
579
580
581
582
583
584
585
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 577

def move_to_previous_word
  if multi_cursor?
    return move_selection_cursors { |selection| previous_word_boundary(selection[:cursor]) } if extending_selections?

    return move_selections { |selection| previous_word_boundary(selection[:cursor]) }
  end

  @cursor = previous_word_boundary(@cursor)
end

#move_to_word_end ⇒ Object 



597
598
599
600
601
602
603
604
605
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 597

def move_to_word_end
  if multi_cursor?
    return move_selection_cursors { |selection| next_word_end(selection[:cursor]) } if extending_selections?

    return move_selections { |selection| next_word_end(selection[:cursor]) }
  end

  @cursor = next_word_end(@cursor)
end

#move_up ⇒ Object 



500
501
502
503
504
505
506
507
508
509
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 500

def move_up
  if multi_cursor?
    return move_selection_cursors { |selection| move_offset_vertically(selection[:cursor], -1) } if extending_selections?

    return move_selections { |selection| move_offset_vertically(selection[:cursor], -1) }
  end

  line, column = cursor_line_and_column
  set_cursor_line_and_column(line - 1, column)
end

#multi_cursor? ⇒ Boolean

Returns:

  • (Boolean) 


333
334
335
336
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 333

def multi_cursor?
  sync_selection_state
  @selections.multi_cursor?
end

#offset_for_line_and_column(line_index, column) ⇒ Object 



411
412
413
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 411

def offset_for_line_and_column(line_index, column)
  @text_buffer.offset_for_line_and_column(line_index, column)
end

#page_down(rows) ⇒ Object 



566
567
568
569
570
571
572
573
574
575
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 566

def page_down(rows)
  if multi_cursor?
    return move_selection_cursors { |selection| move_offset_vertically(selection[:cursor], rows.to_i) } if extending_selections?

    return move_selections { |selection| move_offset_vertically(selection[:cursor], rows.to_i) }
  end

  line, column = cursor_line_and_column
  set_cursor_line_and_column(line + rows.to_i, column)
end

#page_up(rows) ⇒ Object 



555
556
557
558
559
560
561
562
563
564
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 555

def page_up(rows)
  if multi_cursor?
    return move_selection_cursors { |selection| move_offset_vertically(selection[:cursor], -rows.to_i) } if extending_selections?

    return move_selections { |selection| move_offset_vertically(selection[:cursor], -rows.to_i) }
  end

  line, column = cursor_line_and_column
  set_cursor_line_and_column(line - rows.to_i, column)
end

#push_kill(text) ⇒ Object 



686
687
688
689
690
691
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 686

def push_kill(text)
  return false unless @kill_state.push(text)

  sync_kill_state
  true
end

#push_undo ⇒ Object 



415
416
417
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 415

def push_undo
  @undo_history.push(editor_snapshot)
end

#readonly? ⇒ Boolean

Returns:

  • (Boolean) 


359
360
361
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 359

def readonly?
  @readonly == true
end

#redo ⇒ Object 



432
433
434
435
436
437
438
439
440
441
442
443
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 432

def redo
  snapshot = @undo_history.redo(editor_snapshot)
  unless snapshot
    @status = "Already at newest change"
    return false
  end

  restore_editor_snapshot(snapshot)
  changed!
  @status = "Redo"
  true
end

#refresh_after_save(content) ⇒ Object 



1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 1010

def refresh_after_save(content)
  @new_file = false
  @virtual = false
  @display_path = @path.to_s
  @file_marker.refresh(content)
  @original_content = @file_marker.content
  @original_digest = @file_marker.digest
  @original_mtime = @file_marker.mtime
  @original_size = @file_marker.size
  @overwrite_confirmed = false
  @quit_confirmed = false
  @status = "Saved #{@path}"
end

#repeat_search(direction = @search_direction, query = @search_query) ⇒ Object 



992
993
994
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 992

def repeat_search(direction = @search_direction, query = @search_query)
  apply_search_result(@search.repeat(buffer: @buffer, cursor: @cursor, direction: direction, query: query))
end

#replace_range(start_index, end_index, text) ⇒ Object 



839
840
841
842
843
844
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 839

def replace_range(start_index, end_index, text)
  start_index, = @text_buffer.replace_range(start_index, end_index, text)
  @buffer = @text_buffer.text
  @cursor = [start_index, @buffer.length].min
  changed!
end

#replace_selections(text) ⇒ Object 



846
847
848
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 846

def replace_selections(text)
  apply_selection_edits { |_selection| text.to_s }
end

#secondary_cursor_offsets ⇒ Object 



354
355
356
357
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 354

def secondary_cursor_offsets
  sync_selection_state
  @selections.secondary_cursor_offsets
end

#selected_text ⇒ Object 



784
785
786
787
788
789
790
791
792
793
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 784

def selected_text
  if vibe? && @vibe_mode == "visual_block"
    return selection_ranges.map { |range| @buffer[range[0]...range[1]].to_s }.join("\n")
  end

  ranges = selection_ranges
  return "" if ranges.empty?

  ranges.map { |range| @buffer[range[0]...range[1]].to_s }.join("\n")
end

#selection_active? ⇒ Boolean

Returns:

  • (Boolean) 


727
728
729
730
731
732
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 727

def selection_active?
  return false if @selection_anchor.nil?
  return true if vibe? && %w[visual visual_line visual_block].include?(@vibe_mode)

  @selection_anchor != @cursor
end

#selection_anchor ⇒ Object 



319
320
321
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 319

def selection_anchor
  @selection_anchor
end

#selection_anchor=(value) ⇒ Object 



323
324
325
326
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 323

def selection_anchor=(value)
  @selections.anchor = value
  sync_selection_state
end

#selection_range ⇒ Object 



734
735
736
737
738
739
740
741
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 734

def selection_range
  return visual_line_selection_range if vibe? && @vibe_mode == "visual_line" && selection_active?
  return visual_character_selection_range if vibe? && @vibe_mode == "visual" && selection_active?
  return visual_block_selection_ranges.first if vibe? && @vibe_mode == "visual_block" && selection_active?
  return nil unless primary_selection_active?

  [@selection_anchor, @cursor].minmax
end

#selection_ranges ⇒ Object 



743
744
745
746
747
748
749
750
751
752
753
754
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 743

def selection_ranges
  if vibe? && %w[visual visual_line visual_block].include?(@vibe_mode) && selection_active?
    return visual_block_selection_ranges if @vibe_mode == "visual_block"

    return [selection_range]
  end

  selections.filter_map do |selection|
    range = selection_range_for(selection)
    range if range[0] != range[1]
  end
end

#selection_to_line_start_cursors ⇒ Object 



937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 937

def selection_to_line_start_cursors
  range = selection_range
  unless range
    @status = "No selection"
    return false
  end

  start_line, = cursor_line_and_column_for(range[0])
  end_line, end_column = cursor_line_and_column_for(range[1])
  end_line -= 1 if end_column.zero? && end_line > start_line
  set_selections((start_line..end_line).map do |line_index|
    offset = line_start_offset(line_index)
    { anchor: offset, cursor: offset }
  end)
  @status = "Created #{selections.length} cursors"
  true
end

#selections ⇒ Object 



328
329
330
331
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 328

def selections
  sync_selection_state
  @selections.all
end

#set_cursor_line_and_column(line_index, column) ⇒ Object 



407
408
409
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 407

def set_cursor_line_and_column(line_index, column)
  @cursor = offset_for_line_and_column(line_index, column)
end

#set_selections(values) ⇒ Object 



338
339
340
341
342
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 338

def set_selections(values)
  @selections.set(values)
  @cursor = @selections.primary[:cursor]
  sync_selection_state
end

#side_by_side_diff_view? ⇒ Boolean

Returns:

  • (Boolean) 


379
380
381
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 379

def side_by_side_diff_view?
  @diff_view == DiffViewMode::SIDE_BY_SIDE
end

#undo ⇒ Object 



419
420
421
422
423
424
425
426
427
428
429
430
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 419

def undo
  snapshot = @undo_history.undo(editor_snapshot)
  unless snapshot
    @status = "Already at oldest change"
    return false
  end

  restore_editor_snapshot(snapshot)
  changed!
  @status = "Undo"
  true
end

#vibe? ⇒ Boolean

Returns:

  • (Boolean) 


391
392
393
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 391

def vibe?
  @editor_mode == "vibe"
end

#vibe_command ⇒ Object 



174
175
176
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 174

def vibe_command
  @vibe_state.command
end

#vibe_command=(value) ⇒ Object 



178
179
180
181
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 178

def vibe_command=(value)
  @vibe_state.command = value
  sync_vibe_state
end

#vibe_jump_back_list ⇒ Object 



264
265
266
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 264

def vibe_jump_back_list
  @vibe_state.jump_back_list
end

#vibe_jump_back_list=(value) ⇒ Object 



268
269
270
271
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 268

def vibe_jump_back_list=(value)
  @vibe_state.jump_back_list = value
  sync_vibe_state
end

#vibe_jump_forward_list ⇒ Object 



273
274
275
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 273

def vibe_jump_forward_list
  @vibe_state.jump_forward_list
end

#vibe_jump_forward_list=(value) ⇒ Object 



277
278
279
280
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 277

def vibe_jump_forward_list=(value)
  @vibe_state.jump_forward_list = value
  sync_vibe_state
end

#vibe_kill_linewise ⇒ Object 



246
247
248
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 246

def vibe_kill_linewise
  @vibe_state.kill_linewise
end

#vibe_kill_linewise=(value) ⇒ Object 



250
251
252
253
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 250

def vibe_kill_linewise=(value)
  @vibe_state.kill_linewise = value
  sync_vibe_state
end

#vibe_last_change ⇒ Object 



183
184
185
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 183

def vibe_last_change
  @vibe_state.last_change
end

#vibe_last_change=(value) ⇒ Object 



187
188
189
190
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 187

def vibe_last_change=(value)
  @vibe_state.last_change = value
  sync_vibe_state
end

#vibe_last_find ⇒ Object 



192
193
194
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 192

def vibe_last_find
  @vibe_state.last_find
end

#vibe_last_find=(value) ⇒ Object 



196
197
198
199
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 196

def vibe_last_find=(value)
  @vibe_state.last_find = value
  sync_vibe_state
end

#vibe_last_macro ⇒ Object 



300
301
302
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 300

def vibe_last_macro
  @vibe_state.last_macro
end

#vibe_last_macro=(value) ⇒ Object 



304
305
306
307
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 304

def vibe_last_macro=(value)
  @vibe_state.last_macro = value
  sync_vibe_state
end

#vibe_last_visual_selection ⇒ Object 



201
202
203
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 201

def vibe_last_visual_selection
  @vibe_state.last_visual_selection
end

#vibe_last_visual_selection=(value) ⇒ Object 



205
206
207
208
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 205

def vibe_last_visual_selection=(value)
  @vibe_state.last_visual_selection = value
  sync_vibe_state
end

#vibe_macros ⇒ Object 



282
283
284
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 282

def vibe_macros
  @vibe_state.macros
end

#vibe_macros=(value) ⇒ Object 



286
287
288
289
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 286

def vibe_macros=(value)
  @vibe_state.macros = value
  sync_vibe_state
end

#vibe_marks ⇒ Object 



219
220
221
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 219

def vibe_marks
  @vibe_state.marks
end

#vibe_marks=(value) ⇒ Object 



223
224
225
226
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 223

def vibe_marks=(value)
  @vibe_state.marks = value
  sync_vibe_state
end

#vibe_mode ⇒ Object 



156
157
158
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 156

def vibe_mode
  @vibe_state.mode
end

#vibe_mode=(value) ⇒ Object 



160
161
162
163
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 160

def vibe_mode=(value)
  @vibe_state.mode = value
  sync_vibe_state
end

#vibe_pending ⇒ Object 



165
166
167
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 165

def vibe_pending
  @vibe_state.pending
end

#vibe_pending=(value) ⇒ Object 



169
170
171
172
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 169

def vibe_pending=(value)
  @vibe_state.pending = value
  sync_vibe_state
end

#vibe_previous_change_cursor ⇒ Object 



255
256
257
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 255

def vibe_previous_change_cursor
  @vibe_state.previous_change_cursor
end

#vibe_previous_change_cursor=(value) ⇒ Object 



259
260
261
262
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 259

def vibe_previous_change_cursor=(value)
  @vibe_state.previous_change_cursor = value
  sync_vibe_state
end

#vibe_recording_macro ⇒ Object 



291
292
293
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 291

def vibe_recording_macro
  @vibe_state.recording_macro
end

#vibe_recording_macro=(value) ⇒ Object 



295
296
297
298
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 295

def vibe_recording_macro=(value)
  @vibe_state.recording_macro = value
  sync_vibe_state
end

#vibe_register_types ⇒ Object 



237
238
239
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 237

def vibe_register_types
  @vibe_state.register_types
end

#vibe_register_types=(value) ⇒ Object 



241
242
243
244
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 241

def vibe_register_types=(value)
  @vibe_state.register_types = value
  sync_vibe_state
end

#vibe_registers ⇒ Object 



228
229
230
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 228

def vibe_registers
  @vibe_state.registers
end

#vibe_registers=(value) ⇒ Object 



232
233
234
235
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 232

def vibe_registers=(value)
  @vibe_state.registers = value
  sync_vibe_state
end

#vibe_visual_block_insert ⇒ Object 



210
211
212
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 210

def vibe_visual_block_insert
  @vibe_state.visual_block_insert
end

#vibe_visual_block_insert=(value) ⇒ Object 



214
215
216
217
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 214

def vibe_visual_block_insert=(value)
  @vibe_state.visual_block_insert = value
  sync_vibe_state
end

#virtual? ⇒ Boolean

Returns:

  • (Boolean) 


363
364
365
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 363

def virtual?
  @virtual == true
end

#visual_block_selection_ranges ⇒ Object 



770
771
772
773
774
775
776
777
778
779
780
781
782
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 770

def visual_block_selection_ranges
  anchor_line, anchor_column = cursor_line_and_column_for(@selection_anchor)
  cursor_line, cursor_column = cursor_line_and_column
  start_line, end_line = [anchor_line, cursor_line].minmax
  start_column, end_column = [anchor_column, cursor_column].minmax
  (start_line..end_line).map do |line_index|
    line_start = line_start_offset(line_index)
    line_length = lines[line_index].to_s.length
    range_start = line_start + [start_column, line_length].min
    range_end = line_start + [end_column + 1, line_length].min
    [range_start, range_end]
  end
end

#visual_character_selection_range ⇒ Object 



756
757
758
759
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 756

def visual_character_selection_range
  start_index, end_index = [@selection_anchor, @cursor].minmax
  [start_index, [end_index + 1, @buffer.length].min]
end

#visual_line_selection_range ⇒ Object 



761
762
763
764
765
766
767
768
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 761

def visual_line_selection_range
  anchor_line, = cursor_line_and_column_for(@selection_anchor)
  cursor_line, = cursor_line_and_column
  start_line, end_line = [anchor_line, cursor_line].minmax
  start_index, = line_range(start_line)
  _, end_index = line_range(end_line)
  [start_index, end_index]
end

#word_range_at(offset) ⇒ Object 



813
814
815
816
817
818
819
820
821
822
823
824
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 813

def word_range_at(offset)
  return nil if @buffer.empty?

  index = [[offset.to_i, 0].max, @buffer.length - 1].min
  return nil if word_separator?(@buffer[index])

  start_index = index
  start_index -= 1 while start_index.positive? && !word_separator?(@buffer[start_index - 1])
  end_index = index + 1
  end_index += 1 while end_index < @buffer.length && !word_separator?(@buffer[end_index])
  [start_index, end_index]
end

#word_under_cursor ⇒ Object 



996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 996

def word_under_cursor
  return "" if @buffer.empty?

  index = [[@cursor, 0].max, @buffer.length - 1].min
  index -= 1 while index.positive? && word_separator?(@buffer[index])
  return "" if word_separator?(@buffer[index])

  start_index = index
  start_index -= 1 while start_index.positive? && !word_separator?(@buffer[start_index - 1])
  end_index = index + 1
  end_index += 1 while end_index < @buffer.length && !word_separator?(@buffer[end_index])
  @buffer[start_index...end_index].to_s
end

#yank_from_kill_ring ⇒ Object 



693
694
695
696
697
698
699
700
701
702
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 693

def yank_from_kill_ring
  text = @kill_state.first_yank
  return false unless text

  start_index = @cursor
  insert(text)
  @kill_state.record_yank(start_index, @cursor)
  sync_kill_state
  true
end

#yank_kill_buffer ⇒ Object 



682
683
684
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 682

def yank_kill_buffer
  replace_selections(@kill_buffer.to_s) unless @kill_buffer.to_s.empty?
end

#yank_pop ⇒ Object 



704
705
706
707
708
709
710
711
712
713
714
715
 
# File 'lib/kward/prompt_interface/editor/state.rb', line 704

def yank_pop
  yank = @kill_state.next_yank_pop
  return false unless yank

  start_index, end_index = yank[:range]
  text = yank[:text]
  replace_range(start_index, end_index, text)
  @cursor = start_index + text.length
  @kill_state.record_yank_pop(start_index, @cursor)
  sync_kill_state
  true
end