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41 Commits

Author SHA1 Message Date
Junegunn Choi c30e486b64
Further performance improvements by removing unnecessary copies 2024-04-02 08:43:08 +09:00
Junegunn Choi 0e999482cb
Fix handling of empty ANSI color sequence 
Fix #3320
 2023-12-25 17:05:54 +09:00
Junegunn Choi 4490b2d209
Respect ANSI codes to reset properties 
Fix #3441
 2023-09-16 19:50:37 +09:00
Emil Vanherp 4bef330ce1
Add support for ANSI strike-through (#2932) 
Close #2932

Co-authored-by: Emil Vanherp <emil@vanherp.me>
 2022-08-26 09:27:49 +09:00
Charlie Vieth 209d5e8e90
ansi: speed up escape sequence parsing (#2927) 2022-08-25 14:02:08 +09:00
Junegunn Choi aa10dccf90
Support colon delimiter in ANSI escape sequences 
# Both should work
    printf "\e[38;5;208mOption 1\e[m\nOption 2" | fzf --ansi
    printf "\e[38:5:208mOption 1\e[m\nOption 2" | fzf --ansi

This change makes ANSI parsing slightly slower.

    cpu: Intel(R) Core(TM) i7-8850H CPU @ 2.60GHz

    Before:
      BenchmarkNextAnsiEscapeSequence-12            992.22 MB/s
      BenchmarkExtractColor-12                      174.35 MB/s

    After:
      BenchmarkNextAnsiEscapeSequence-12            925.05 MB/s
      BenchmarkExtractColor-12                      163.33 MB/s

Fix #2913
 2022-08-13 22:30:50 +09:00
Junegunn Choi f4fd53211a
Reformat comments adhere to gofmt 2022-08-12 22:11:15 +09:00
Junegunn Choi be36de2482
Ignore more ANSI escape sequences 
Fix #2420
 2021-04-06 00:51:39 +09:00
Charlie Vieth 5a874ae241
Speed up ANSI code processing (#2368) 
This commit speeds up the parsing/processing of ANSI escape codes by
roughly 7.5x. The speedup is mostly accomplished by replacing the regex
with dedicated parsing logic (nextAnsiEscapeSequence()) and reducing the
number of allocations in extractColor().

#### Benchmarks
```
name             old time/op    new time/op     delta
ExtractColor-16    4.89µs ± 5%     0.64µs ± 2%   -86.87%  (p=0.000 n=9+9)

name             old speed      new speed       delta
ExtractColor-16  25.6MB/s ± 5%  194.6MB/s ± 2%  +661.43%  (p=0.000 n=9+9)

name             old alloc/op   new alloc/op    delta
ExtractColor-16    1.37kB ± 0%     0.31kB ± 0%   -77.31%  (p=0.000 n=10+10)

name             old allocs/op  new allocs/op   delta
ExtractColor-16      48.0 ± 0%        4.0 ± 0%   -91.67%  (p=0.000 n=10+10)
```
 2021-03-11 19:34:50 +09:00
Junegunn Choi 1cfeec0ca3
Fix segmentation fault on \x1b[0K 
Fix #2339
 2021-02-01 22:59:11 +09:00
Junegunn Choi 3829eab1cf
Support ANSI code for clearing the rest of the line (ESC[0K) 
Some programs use it to set the background color for the whole line.

  fzf --preview "printf 'normal \x1b[42mgreen\x1b[0K \x1b[43myellow\x1b[m\nnormal again'"

  fzf --preview 'delta <(echo foo) <(echo bar) < /dev/tty'

Fix #2249
 2020-11-25 01:49:48 +09:00
Junegunn Choi dd49e41c42
Ignore xterm OSC control sequences 
- OSC Ps ; Pt BEL
- OSC Ps ; Pt ST

Fix #1415
 2020-03-03 21:19:23 +09:00
Junegunn Choi 567c8303bf
Update ANSI processor to handle "rmso" and "rmul" 
Fix #1877
 2020-02-18 00:45:24 +09:00
Junegunn Choi 85c1f8a9e0
Always prepend ANSI reset code before re-assembling tokens 2019-03-07 15:29:57 +09:00
Junegunn Choi 1a6defdbcc
Use simple string concatenation instead of using fmt.Sprintf 2019-03-07 02:00:31 +09:00
Junegunn Choi ef577a6509
Preserve the original color of each token when using --with-nth with --ansi 
Close #1500
 2019-03-06 19:05:05 +09:00
Junegunn Choi af809c9661
Minor refactorings 2017-08-26 03:24:42 +09:00
Junegunn Choi 931c78a70c
Short-circuit ANSI processing if no ANSI codes are found 
Rework of 656963e. Makes --ansi processing around 20% faster on plain
strings without ANSI codes.
 2017-08-18 03:04:11 +09:00
Junegunn Choi 8d23646fe6
Revert "Short-circuit ANSI processing if no ANSI codes are found" 
This reverts commit 656963e018.
 2017-08-17 19:12:44 +09:00
Junegunn Choi 656963e018
Short-circuit ANSI processing if no ANSI codes are found 2017-08-17 19:12:06 +09:00
Junegunn Choi 28810c178f
Optimize ANSI code scanner 
This change gives 5x speed improvement
 2017-07-19 21:49:41 +09:00
Junegunn Choi bd9c46ee34
Update ANSI processor to strip ^H along with its preceding character 2017-02-02 13:00:41 +09:00
Junegunn Choi de1c6b8727
[tcell] 24-bit color support 
TAGS=tcell make install

    printf "\x1b[38;2;100;200;250mTRUECOLOR\x1b[m\n" |
        TERM=xterm-truecolor fzf --ansi
 2016-11-26 00:36:38 +09:00
Junegunn Choi 182a6d99fd
[ncurses6] Support italics 2016-11-24 00:13:10 +09:00
Junegunn Choi dc557c0d4c
Update ANSI processor to handle more VT-100 escape sequences 
The updated regular expression should include not all but most of the
frequently used ANSI sequences. Close #735.
 2016-11-14 02:15:23 +09:00
Junegunn Choi 0c573b3dff
Prepare for termbox/windows build 
`TAGS=termbox make` (or `go build -tags termbox`)
 2016-11-07 02:32:14 +09:00
Junegunn Choi 06a6ad8bca
Update ANSI processor to ignore ^N and ^O 
This reverts commit 02c6ad0e59.
 2016-10-30 12:29:29 +09:00
Junegunn Choi 1fc5659842
Add support for more ANSI color attributes (#674) 
Dim, underline, blink, reverse
 2016-09-29 00:54:27 +09:00
Junegunn Choi bef405bfa5
Ignore VT100-related escape codes 2016-09-25 19:03:08 +09:00
Junegunn Choi 0612074abe
Support high intensity colors 
Close #671
 2016-09-25 18:11:35 +09:00
Junegunn Choi 37dc273148
Micro-optimizations 
- Make structs smaller
- Introduce Result struct and use it to represent matched items instead of
  reusing Item struct for that purpose
- Avoid unnecessary memory allocation
- Avoid growing slice from the initial capacity
- Code cleanup
 2016-08-19 02:39:32 +09:00
Junegunn Choi a9a29dff4f
Fix duplicate rendering of the last line in preview window 2016-07-15 23:24:14 +09:00
Junegunn Choi 24e1fabf2e
Do not process ANSI codes in --preview output at once 
Close #598
 2016-06-14 21:52:47 +09:00
Junegunn Choi 0ea66329b8 Performance tuning - eager rune array conversion 
> wc -l /tmp/list2
     2594098 /tmp/list2

    > time cat /tmp/list2 | fzf-0.10.1-darwin_amd64 -fqwerty > /dev/null

    real    0m5.418s
    user    0m10.990s
    sys     0m1.302s

    > time cat /tmp/list2 | fzf-head -fqwerty > /dev/null

    real    0m4.862s
    user    0m6.619s
    sys     0m0.982s
 2015-08-02 14:00:18 +09:00
Junegunn Choi 5e3cb3a4ea Fix ANSI processor to handle multi-line regions 2015-07-22 14:19:45 +09:00
Junegunn Choi b68e59a24b Fix ANSI offset calculation 2015-05-22 02:20:10 +09:00
Junegunn Choi ce7d4a1c53 Fix #162 - Ignore \e[K 2015-03-27 12:35:06 +09:00
Junegunn Choi 9d138173be Fix #155 - Empty ANSI color code to reset color state 2015-03-23 01:24:31 +09:00
Junegunn Choi 618706a5f5 Fix ANSI output in the presence of multibyte characters 
tree -C | fzf --ansi --tac
 2015-03-22 17:22:52 +09:00
Junegunn Choi b431e227da Code cleanup 2015-03-22 16:05:54 +09:00
Junegunn Choi e70a2a5817 Add support for ANSI color codes 2015-03-19 01:59:14 +09:00