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Support incremental search again by C-r in incremental search

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This commit is contained in:
aycabta 2019-12-02 04:17:47 +09:00
parent b3ea0980db
commit 103b04128f
2 changed files with 31 additions and 2 deletions
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11
lib/reline/line_editor.rb
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@ -1158,6 +1158,7 @@ class Reline::LineEditor
last_hit = nil
loop do
key = Fiber.yield(search_word)
search_again = false
case key
when "\C-h".ord, "\C-?".ord
grapheme_clusters = search_word.grapheme_clusters
@ -1165,6 +1166,8 @@ class Reline::LineEditor
grapheme_clusters.pop
search_word = grapheme_clusters.join
end
when "\C-r".ord
search_again = true
else
multibyte_buf << key
if multibyte_buf.dup.force_encoding(@encoding).valid_encoding?
@ -1177,7 +1180,11 @@ class Reline::LineEditor
@history_pointer = nil
hit = @line_backup_in_history
else
if @history_pointer
if search_again
if @history_pointer
history = Reline::HISTORY[0..(@history_pointer - 1)]
end
elsif @history_pointer
history = Reline::HISTORY[0..@history_pointer]
else
history = Reline::HISTORY
@ -1237,7 +1244,7 @@ class Reline::LineEditor
@cursor = @byte_pointer = 0
else
chr = k.is_a?(String) ? k : k.chr(Encoding::ASCII_8BIT)
if chr.match?(/[[:print:]]/) or k == "\C-h".ord or k == "\C-?".ord
if chr.match?(/[[:print:]]/) or k == "\C-h".ord or k == "\C-?".ord or k == "\C-r".ord
searcher.resume(k)
else
if @history_pointer

22
test/reline/test_key_actor_emacs.rb
View file

@ -1452,6 +1452,28 @@ class Reline::KeyActor::Emacs::Test < Reline::TestCase
assert_cursor_max(4)
end
def test_search_history_twice
Reline::HISTORY.concat([
'1235', # old
'12aa',
'1234' # new
])
assert_line('')
assert_byte_pointer_size('')
assert_cursor(0)
assert_cursor_max(0)
input_keys("\C-r123")
assert_line('1234')
assert_byte_pointer_size('')
assert_cursor(0)
assert_cursor_max(0) # doesn't determine yet
input_keys("\C-r")
assert_line('1235')
assert_byte_pointer_size('')
assert_cursor(0)
assert_cursor_max(0)
end
def test_em_set_mark_and_em_exchange_mark
input_keys('aaa bbb ccc ddd')
assert_byte_pointer_size('aaa bbb ccc ddd')