Class: Astel::Rewriter::EditIndex

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/astel/rewriter/edit_index.rb

Constant Summary collapse

SPLIT_THRESHOLD = 
256

Instance Method Summary collapse

Constructor Details

#initialize ⇒ EditIndex

Returns a new instance of EditIndex.



10
11
12
 
# File 'lib/astel/rewriter/edit_index.rb', line 10

def initialize
  @blocks = []
end

Instance Method Details

#add(edit) ⇒ Object 



14
15
16
17
18
19
20
21
22
23
24
25
26
27
 
# File 'lib/astel/rewriter/edit_index.rb', line 14

def add(edit)
  if @blocks.empty?
    @blocks << [edit]
    return
  end

  block_index, block, edit_index = insertion_position(edit)
  conflict = conflict_at(block_index, block, edit_index) { |existing| yield existing }
  return conflict if conflict

  block.insert(edit_index, edit)
  split(block_index, block) if block.length > SPLIT_THRESHOLD
  nil
end

#each ⇒ Object 



36
37
38
39
40
41
42
 
# File 'lib/astel/rewriter/edit_index.rb', line 36

def each
  return enum_for(__method__) unless block_given?

  @blocks.each do |block|
    block.each { |edit| yield edit }
  end
end

#find_conflict(edit) ⇒ Object 



29
30
31
32
33
34
 
# File 'lib/astel/rewriter/edit_index.rb', line 29

def find_conflict(edit)
  return if @blocks.empty?

  block_index, block, edit_index = insertion_position(edit)
  conflict_at(block_index, block, edit_index) { |existing| yield existing }
end