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Fix indent of a line when a newline is inserted to the next

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aycabta 2019-11-20 10:04:41 +09:00
parent 9306602f24
commit da0d7211aa
1 changed files with 20 additions and 0 deletions
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20
lib/reline/line_editor.rb
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@ -806,6 +806,26 @@ class Reline::LineEditor
private def process_auto_indent
return if not @check_new_auto_indent and @previous_line_index # move cursor up or down
if @check_new_auto_indent and @previous_line_index and @previous_line_index > 0 and @line_index > @previous_line_index
# Fix indent of a line when a newline is inserted to the next
new_lines = whole_lines(index: @previous_line_index, line: @line)
new_indent = @auto_indent_proc.(new_lines[0..-3].push(''), @line_index - 1, 0, true)
md = @line.match(/\A */)
prev_indent = md[0].count(' ')
@line = ' ' * new_indent + @line.lstrip
new_indent = nil
(new_lines[-2].size + 1).times do |n|
result = @auto_indent_proc.(new_lines[0..-2], @line_index - 1, n, false)
if result
new_indent = result
break
end
end
if new_indent&.>= 0
@line = ' ' * new_indent + @line.lstrip
end
end
if @previous_line_index
new_lines = whole_lines(index: @previous_line_index, line: @line)
else