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[ruby/reline] Cache dynamic prompt for 0.5sec

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06b89d0e61
This commit is contained in:
aycabta 2020-11-21 00:30:11 +09:00
parent b763c5cdf0
commit 2910684c45
1 changed files with 8 additions and 1 deletions
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9
lib/reline/line_editor.rb
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@ -78,7 +78,12 @@ class Reline::LineEditor
end end
return [prompt, calculate_width(prompt, true), [prompt] * buffer.size] if simplified_rendering? return [prompt, calculate_width(prompt, true), [prompt] * buffer.size] if simplified_rendering?
if @prompt_proc if @prompt_proc
prompt_list = @prompt_proc.(buffer) if @cached_prompt_list and Time.now.to_f < (@prompt_cache_time + 0.5)
prompt_list = @cached_prompt_list
else
prompt_list = @cached_prompt_list = @prompt_proc.(buffer)
@prompt_cache_time = Time.now.to_f
end
prompt_list.map!{ prompt } if @vi_arg or @searching_prompt prompt_list.map!{ prompt } if @vi_arg or @searching_prompt
if @config.show_mode_in_prompt if @config.show_mode_in_prompt
if @config.editing_mode_is?(:vi_command) if @config.editing_mode_is?(:vi_command)
@ -191,6 +196,8 @@ class Reline::LineEditor
@first_char = true @first_char = true
@add_newline_to_end_of_buffer = false @add_newline_to_end_of_buffer = false
@just_cursor_moving = false @just_cursor_moving = false
@cached_prompt_list = nil
@prompt_cache_time = nil
@eof = false @eof = false
@continuous_insertion_buffer = String.new(encoding: @encoding) @continuous_insertion_buffer = String.new(encoding: @encoding)
reset_line reset_line