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vim-patch:9.1.1214: matchfuzzy() can be improved for camel case matches

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Problem:  When searching for "Cur", CamelCase matches like "lCursor" score
          higher than exact prefix matches like Cursor, which is
          counter-intuitive (Maxim Kim).
Solution: Add a 'camelcase' option to matchfuzzy() that lets users disable
          CamelCase bonuses when needed, making prefix matches rank higher.
          (glepnir)

fixes: vim/vim#16504
closes: vim/vim#16797

28e40a7b55

Co-authored-by: glepnir <glephunter@gmail.com>
This commit is contained in:
glepnir
2025-03-18 15:44:45 +08:00
committed by zeertzjq
parent ce590e2077
commit 162edf7b30
6 changed files with 45 additions and 13 deletions
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13
test/old/testdir/test_matchfuzzy.vim
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@@ -90,6 +90,10 @@ func Test_matchfuzzy()
let l = [{'id' : 5, 'name' : 'foo'}, {'id' : 6, 'name' : []}, {'id' : 7}]
call assert_fails("let x = matchfuzzy(l, 'foo', {'key' : 'name'})", 'E730:')
" camcelcase
call assert_equal(['Cursor', 'CurSearch', 'CursorLine', 'lCursor', 'shCurlyIn', 'shCurlyError', 'TracesCursor'], matchfuzzy(['Cursor', 'lCursor', 'shCurlyIn', 'shCurlyError', 'TracesCursor', 'CurSearch', 'CursorLine'], 'Cur', {"camelcase": v:false}))
call assert_equal(['lCursor', 'shCurlyIn', 'shCurlyError', 'TracesCursor', 'Cursor', 'CurSearch', 'CursorLine'], matchfuzzy(['Cursor', 'lCursor', 'shCurlyIn', 'shCurlyError', 'TracesCursor', 'CurSearch', 'CursorLine'], 'Cur'))
" Test in latin1 encoding
let save_enc = &encoding
" Nvim supports utf-8 encoding only
@@ -175,6 +179,15 @@ func Test_matchfuzzypos()
let l = [{'id' : 5, 'name' : 'foo'}, {'id' : 6, 'name' : []}, {'id' : 7}]
call assert_fails("let x = matchfuzzypos(l, 'foo', {'key' : 'name'})", 'E730:')
"camelcase
call assert_equal([['lCursor', 'shCurlyIn', 'shCurlyError', 'TracesCursor', 'Cursor', 'CurSearch', 'CursorLine'], [[1, 2, 3], [2, 3, 4], [2, 3, 4], [6, 7, 8], [0, 1, 2], [0, 1, 2], [0, 1, 2]], [318, 311, 308, 303, 267, 264, 263]],
\ matchfuzzypos(['Cursor', 'lCursor', 'shCurlyIn', 'shCurlyError', 'TracesCursor', 'CurSearch', 'CursorLine'], 'Cur'))
call assert_equal([['Cursor', 'CurSearch', 'CursorLine', 'lCursor', 'shCurlyIn', 'shCurlyError', 'TracesCursor'], [[0, 1, 2], [0, 1, 2], [0, 1, 2], [1, 2, 3], [2, 3, 4], [2, 3, 4], [6, 7, 8]], [267, 264, 263, 246, 239, 236, 231]],
\ matchfuzzypos(['Cursor', 'lCursor', 'shCurlyIn', 'shCurlyError', 'TracesCursor', 'CurSearch', 'CursorLine'], 'Cur', {"camelcase": v:false}))
call assert_equal([['things', 'sThings', 'thisThings'], [[0, 1, 2, 3], [1, 2, 3, 4], [0, 1, 2, 7]], [333, 287, 279]],
\ matchfuzzypos(['things','sThings', 'thisThings'], 'thin', {'camelcase': v:false}))
endfunc
" Test for matchfuzzy() with multibyte characters