diff --git a/scripts/generate-graphemes.in b/scripts/generate-graphemes.in index ea96d71..defad1a 100644 --- a/scripts/generate-graphemes.in +++ b/scripts/generate-graphemes.in @@ -123,9 +123,9 @@ #:use-module (ice-9 hash-table) #:use-module (srfi srfi-1) #:use-module (uniseg internal) + #:use-module (uniseg emoji) #:export (,@grapheme-symbol-names - grapheme-charsets))) - + grapheme-charsets))) (pretty-print `(define grapheme-ht @@ -149,7 +149,10 @@ (let ((f (first pair)) (s (second pair))) `(list ',f ,s))) - grapheme-sets-and-symbols)))) + grapheme-sets-and-symbols) + ;; Need emoji in this set too! + (list 'extended-pictographic char-set:emoji-extended-pictographic)))) + (display "\n") diff --git a/tests/test-graphemes-stream.scm b/tests/test-graphemes-stream.scm index 9b7a037..32d9ff4 100644 --- a/tests/test-graphemes-stream.scm +++ b/tests/test-graphemes-stream.scm @@ -41,8 +41,8 @@ (test-equal "double-em-dash is in right place" "⸺" (grapheme-string double-em-dash-grapheme)) -(test-equal "double-em-dash is double-width" - 2 (grapheme-width double-em-dash-grapheme)) +(test-equal "double-em-dash is triple-width" + 3 (grapheme-width double-em-dash-grapheme)) (advance-stream!) @@ -51,4 +51,9 @@ (test-equal "advancing one goes to the a" "a" (grapheme-string a-grapheme)) +(define empty-stream (string->grapheme-stream "")) + +(test-equal "a stream of nothing resolves to an empty stream" + #t (stream-null? empty-stream)) + (test-end "tests-graphemes-stream") diff --git a/uniseg/graphemes.scm b/uniseg/graphemes.scm index b3594a7..b45c024 100644 --- a/uniseg/graphemes.scm +++ b/uniseg/graphemes.scm @@ -1,1512 +1,1484 @@ -;; Code generated by scripts/generate-graphemes. DO NOT EDIT +;; Code generated by /home/vv/Projects/guile-uniseg/scripts/generate-graphemes. DO NOT EDIT (define-module - (uniseg graphemes) - #:use-module - (ice-9 hash-table) - #:use-module - (srfi srfi-1) - #:use-module - (uniseg internal) - #:export - (char-set:grapheme-hangul-syllable-l - char-set:grapheme-hangul-syllable-v - char-set:grapheme-hangul-syllable-lv - char-set:grapheme-hangul-syllable-lvt - char-set:grapheme-prepend - char-set:grapheme-carriage-return - char-set:grapheme-line-feed - char-set:grapheme-control - char-set:grapheme-extend - char-set:grapheme-regional-indicator - char-set:grapheme-spacing-mark - char-set:grapheme-zero-width-joiner - grapheme-charsets)) + (uniseg graphemes) + #:use-module + (ice-9 hash-table) + #:use-module + (srfi srfi-1) + #:use-module + (uniseg internal) + #:use-module + (uniseg emoji) + #:export + (char-set:grapheme-hangul-syllable-l + char-set:grapheme-hangul-syllable-v + char-set:grapheme-hangul-syllable-lv + char-set:grapheme-hangul-syllable-lvt + char-set:grapheme-prepend + char-set:grapheme-carriage-return + char-set:grapheme-line-feed + char-set:grapheme-control + char-set:grapheme-extend + char-set:grapheme-regional-indicator + char-set:grapheme-spacing-mark + char-set:grapheme-zero-width-joiner + grapheme-charsets)) (define grapheme-ht (alist->hashq-table - '((spacing-mark - (119149 119149) - (119142 119142) - (94192 94193) - (94033 94087) - (73537 73537) - (73534 73535) - (73524 73525) - (73475 73475) - (73461 73462) - (73110 73110) - (73107 73108) - (73098 73102) - (72884 72884) - (72881 72881) - (72873 72873) - (72766 72766) - (72751 72751) - (72343 72343) - (72279 72280) - (72249 72249) - (72164 72164) - (72156 72159) - (72145 72147) - (72002 72002) - (72000 72000) - (71997 71997) - (71991 71992) - (71985 71989) - (71736 71736) - (71724 71726) - (71462 71462) - (71350 71350) - (71342 71343) - (71340 71340) - (71230 71230) - (71227 71228) - (71216 71218) - (71102 71102) - (71096 71099) - (71088 71089) - (70849 70849) - (70846 70846) - (70843 70844) - (70841 70841) - (70833 70834) - (70725 70725) - (70720 70721) - (70709 70711) - (70498 70499) - (70475 70477) - (70471 70472) - (70465 70468) - (70463 70463) - (70402 70403) - (70368 70370) - (70197 70197) - (70194 70195) - (70188 70190) - (70094 70094) - (70079 70080) - (70067 70069) - (70018 70018) - (69957 69958) - (69932 69932) - (69815 69816) - (69808 69810) - (69762 69762) - (69634 69634) - (69632 69632) - (44012 44012) - (44009 44010) - (44006 44007) - (44003 44004) - (43765 43765) - (43758 43759) - (43755 43755) - (43597 43597) - (43571 43572) - (43567 43568) - (43454 43456) - (43450 43451) - (43444 43445) - (43395 43395) - (43346 43347) - (43188 43203) - (43136 43137) - (43047 43047) - (43043 43044) - (7415 7415) - (7393 7393) - (7220 7221) - (7204 7211) - (7154 7155) - (7150 7150) - (7146 7148) - (7143 7143) - (7082 7082) - (7078 7079) - (7073 7073) - (7042 7042) - (6979 6980) - (6973 6977) - (6971 6971) - (6916 6916) - (6765 6770) - (6743 6743) - (6741 6741) - (6681 6682) - (6451 6456) - (6448 6449) - (6441 6443) - (6435 6438) - (6087 6088) - (6078 6085) - (6070 6070) - (5940 5940) - (5909 5909) - (4228 4228) - (4182 4183) - (4155 4156) - (4145 4145) - (3967 3967) - (3902 3903) - (3763 3763) - (3635 3635) - (3570 3571) - (3544 3550) - (3536 3537) - (3458 3459) - (3402 3404) - (3398 3400) - (3391 3392) - (3330 3331) - (3315 3315) - (3274 3275) - (3271 3272) - (3267 3268) - (3264 3265) - (3262 3262) - (3202 3203) - (3137 3140) - (3073 3075) - (3018 3020) - (3014 3016) - (3009 3010) - (3007 3007) - (2891 2892) - (2887 2888) - (2880 2880) - (2818 2819) - (2763 2764) - (2761 2761) - (2750 2752) - (2691 2691) - (2622 2624) - (2563 2563) - (2507 2508) - (2503 2504) - (2495 2496) - (2434 2435) - (2382 2383) - (2377 2380) - (2366 2368) - (2363 2363) - (2307 2307)) - (extend - (917760 917999) - (917536 917631) - (127995 127999) - (125252 125258) - (125136 125142) - (124140 124143) - (123628 123631) - (123566 123566) - (123184 123190) - (123023 123023) - (122918 122922) - (122915 122916) - (122907 122913) - (122888 122904) - (122880 122886) - (121505 121519) - (121499 121503) - (121476 121476) - (121461 121461) - (121403 121452) - (121344 121398) - (119362 119364) - (119210 119213) - (119173 119179) - (119163 119170) - (119150 119154) - (119143 119145) - (119141 119141) - (118576 118598) - (118528 118573) - (113821 113822) - (94180 94180) - (94095 94098) - (94031 94031) - (92976 92982) - (92912 92916) - (78919 78933) - (78912 78912) - (73538 73538) - (73536 73536) - (73526 73530) - (73472 73473) - (73459 73460) - (73111 73111) - (73109 73109) - (73104 73105) - (73031 73031) - (73023 73029) - (73020 73021) - (73018 73018) - (73009 73014) - (72885 72886) - (72882 72883) - (72874 72880) - (72850 72871) - (72767 72767) - (72760 72765) - (72752 72758) - (72344 72345) - (72330 72342) - (72281 72283) - (72273 72278) - (72263 72263) - (72251 72254) - (72243 72248) - (72193 72202) - (72160 72160) - (72154 72155) - (72148 72151) - (72003 72003) - (71998 71998) - (71995 71996) - (71984 71984) - (71737 71738) - (71727 71735) - (71463 71467) - (71458 71461) - (71453 71455) - (71351 71351) - (71344 71349) - (71341 71341) - (71339 71339) - (71231 71232) - (71229 71229) - (71219 71226) - (71132 71133) - (71103 71104) - (71100 71101) - (71090 71093) - (71087 71087) - (70850 70851) - (70847 70848) - (70845 70845) - (70842 70842) - (70835 70840) - (70832 70832) - (70750 70750) - (70726 70726) - (70722 70724) - (70712 70719) - (70512 70516) - (70502 70508) - (70487 70487) - (70464 70464) - (70462 70462) - (70459 70460) - (70400 70401) - (70371 70378) - (70367 70367) - (70209 70209) - (70206 70206) - (70198 70199) - (70196 70196) - (70191 70193) - (70095 70095) - (70089 70092) - (70070 70078) - (70016 70017) - (70003 70003) - (69933 69940) - (69927 69931) - (69888 69890) - (69826 69826) - (69817 69818) - (69811 69814) - (69759 69761) - (69747 69748) - (69744 69744) - (69688 69702) - (69633 69633) - (69506 69509) - (69446 69456) - (69373 69375) - (69291 69292) - (68900 68903) - (68325 68326) - (68159 68159) - (68152 68154) - (68108 68111) - (68101 68102) - (68097 68099) - (66422 66426) - (66272 66272) - (66045 66045) - (65438 65439) - (65056 65071) - (65024 65039) - (64286 64286) - (44013 44013) - (44008 44008) - (44005 44005) - (43766 43766) - (43756 43757) - (43713 43713) - (43710 43711) - (43703 43704) - (43698 43700) - (43696 43696) - (43644 43644) - (43596 43596) - (43587 43587) - (43573 43574) - (43569 43570) - (43561 43566) - (43493 43493) - (43452 43453) - (43446 43449) - (43443 43443) - (43392 43394) - (43335 43345) - (43302 43309) - (43263 43263) - (43232 43249) - (43204 43205) - (43052 43052) - (43045 43046) - (43019 43019) - (43014 43014) - (43010 43010) - (42736 42737) - (42654 42655) - (42612 42621) - (42608 42610) - (42607 42607) - (12441 12442) - (12334 12335) - (12330 12333) - (11744 11775) - (11647 11647) - (11503 11505) - (8421 8432) - (8418 8420) - (8417 8417) - (8413 8416) - (8400 8412) - (8204 8204) - (7616 7679) - (7416 7417) - (7412 7412) - (7405 7405) - (7394 7400) - (7380 7392) - (7376 7378) - (7222 7223) - (7212 7219) - (7151 7153) - (7149 7149) - (7144 7145) - (7142 7142) - (7083 7085) - (7080 7081) - (7074 7077) - (7040 7041) - (7019 7027) - (6978 6978) - (6972 6972) - (6966 6970) - (6965 6965) - (6964 6964) - (6912 6915) - (6847 6862) - (6846 6846) - (6832 6845) - (6783 6783) - (6771 6780) - (6757 6764) - (6754 6754) - (6752 6752) - (6744 6750) - (6742 6742) - (6683 6683) - (6679 6680) - (6457 6459) - (6450 6450) - (6439 6440) - (6432 6434) - (6313 6313) - (6277 6278) - (6159 6159) - (6155 6157) - (6109 6109) - (6089 6099) - (6086 6086) - (6071 6077) - (6068 6069) - (6002 6003) - (5970 5971) - (5938 5939) - (5906 5908) - (4957 4959) - (4253 4253) - (4237 4237) - (4229 4230) - (4226 4226) - (4209 4212) - (4190 4192) - (4184 4185) - (4157 4158) - (4153 4154) - (4146 4151) - (4141 4144) - (4038 4038) - (3993 4028) - (3981 3991) - (3974 3975) - (3968 3972) - (3953 3966) - (3897 3897) - (3895 3895) - (3893 3893) - (3864 3865) - (3784 3790) - (3764 3772) - (3761 3761) - (3655 3662) - (3636 3642) - (3633 3633) - (3551 3551) - (3542 3542) - (3538 3540) - (3535 3535) - (3530 3530) - (3457 3457) - (3426 3427) - (3415 3415) - (3405 3405) - (3393 3396) - (3390 3390) - (3387 3388) - (3328 3329) - (3298 3299) - (3285 3286) - (3276 3277) - (3270 3270) - (3266 3266) - (3263 3263) - (3260 3260) - (3201 3201) - (3170 3171) - (3157 3158) - (3146 3149) - (3142 3144) - (3134 3136) - (3132 3132) - (3076 3076) - (3072 3072) - (3031 3031) - (3021 3021) - (3008 3008) - (3006 3006) - (2946 2946) - (2914 2915) - (2903 2903) - (2901 2902) - (2893 2893) - (2881 2884) - (2879 2879) - (2878 2878) - (2876 2876) - (2817 2817) - (2810 2815) - (2786 2787) - (2765 2765) - (2759 2760) - (2753 2757) - (2748 2748) - (2689 2690) - (2677 2677) - (2672 2673) - (2641 2641) - (2635 2637) - (2631 2632) - (2625 2626) - (2620 2620) - (2561 2562) - (2558 2558) - (2530 2531) - (2519 2519) - (2509 2509) - (2497 2500) - (2494 2494) - (2492 2492) - (2433 2433) - (2402 2403) - (2385 2391) - (2381 2381) - (2369 2376) - (2364 2364) - (2362 2362) - (2275 2306) - (2250 2273) - (2200 2207) - (2137 2139) - (2089 2093) - (2085 2087) - (2075 2083) - (2070 2073) - (2045 2045) - (2027 2035) - (1958 1968) - (1840 1866) - (1809 1809) - (1770 1773) - (1767 1768) - (1759 1764) - (1750 1756) - (1648 1648) - (1611 1631) - (1552 1562) - (1479 1479) - (1476 1477) - (1473 1474) - (1471 1471) - (1425 1469) - (1160 1161) - (1155 1159) - (768 879)) - (hangul-syllable-lv - (55176 55176) - (55148 55148) - (55120 55120) - (55092 55092) - (55064 55064) - (55036 55036) - (55008 55008) - (54980 54980) - (54952 54952) - (54924 54924) - (54896 54896) - (54868 54868) - (54840 54840) - (54812 54812) - (54784 54784) - (54756 54756) - (54728 54728) - (54700 54700) - (54672 54672) - (54644 54644) - (54616 54616) - (54588 54588) - (54560 54560) - (54532 54532) - (54504 54504) - (54476 54476) - (54448 54448) - (54420 54420) - (54392 54392) - (54364 54364) - (54336 54336) - (54308 54308) - (54280 54280) - (54252 54252) - (54224 54224) - (54196 54196) - (54168 54168) - (54140 54140) - (54112 54112) - (54084 54084) - (54056 54056) - (54028 54028) - (54000 54000) - (53972 53972) - (53944 53944) - (53916 53916) - (53888 53888) - (53860 53860) - (53832 53832) - (53804 53804) - (53776 53776) - (53748 53748) - (53720 53720) - (53692 53692) - (53664 53664) - (53636 53636) - (53608 53608) - (53580 53580) - (53552 53552) - (53524 53524) - (53496 53496) - (53468 53468) - (53440 53440) - (53412 53412) - (53384 53384) - (53356 53356) - (53328 53328) - (53300 53300) - (53272 53272) - (53244 53244) - (53216 53216) - (53188 53188) - (53160 53160) - (53132 53132) - (53104 53104) - (53076 53076) - (53048 53048) - (53020 53020) - (52992 52992) - (52964 52964) - (52936 52936) - (52908 52908) - (52880 52880) - (52852 52852) - (52824 52824) - (52796 52796) - (52768 52768) - (52740 52740) - (52712 52712) - (52684 52684) - (52656 52656) - (52628 52628) - (52600 52600) - (52572 52572) - (52544 52544) - (52516 52516) - (52488 52488) - (52460 52460) - (52432 52432) - (52404 52404) - (52376 52376) - (52348 52348) - (52320 52320) - (52292 52292) - (52264 52264) - (52236 52236) - (52208 52208) - (52180 52180) - (52152 52152) - (52124 52124) - (52096 52096) - (52068 52068) - (52040 52040) - (52012 52012) - (51984 51984) - (51956 51956) - (51928 51928) - (51900 51900) - (51872 51872) - (51844 51844) - (51816 51816) - (51788 51788) - (51760 51760) - (51732 51732) - (51704 51704) - (51676 51676) - (51648 51648) - (51620 51620) - (51592 51592) - (51564 51564) - (51536 51536) - (51508 51508) - (51480 51480) - (51452 51452) - (51424 51424) - (51396 51396) - (51368 51368) - (51340 51340) - (51312 51312) - (51284 51284) - (51256 51256) - (51228 51228) - (51200 51200) - (51172 51172) - (51144 51144) - (51116 51116) - (51088 51088) - (51060 51060) - (51032 51032) - (51004 51004) - (50976 50976) - (50948 50948) - (50920 50920) - (50892 50892) - (50864 50864) - (50836 50836) - (50808 50808) - (50780 50780) - (50752 50752) - (50724 50724) - (50696 50696) - (50668 50668) - (50640 50640) - (50612 50612) - (50584 50584) - (50556 50556) - (50528 50528) - (50500 50500) - (50472 50472) - (50444 50444) - (50416 50416) - (50388 50388) - (50360 50360) - (50332 50332) - (50304 50304) - (50276 50276) - (50248 50248) - (50220 50220) - (50192 50192) - (50164 50164) - (50136 50136) - (50108 50108) - (50080 50080) - (50052 50052) - (50024 50024) - (49996 49996) - (49968 49968) - (49940 49940) - (49912 49912) - (49884 49884) - (49856 49856) - (49828 49828) - (49800 49800) - (49772 49772) - (49744 49744) - (49716 49716) - (49688 49688) - (49660 49660) - (49632 49632) - (49604 49604) - (49576 49576) - (49548 49548) - (49520 49520) - (49492 49492) - (49464 49464) - (49436 49436) - (49408 49408) - (49380 49380) - (49352 49352) - (49324 49324) - (49296 49296) - (49268 49268) - (49240 49240) - (49212 49212) - (49184 49184) - (49156 49156) - (49128 49128) - (49100 49100) - (49072 49072) - (49044 49044) - (49016 49016) - (48988 48988) - (48960 48960) - (48932 48932) - (48904 48904) - (48876 48876) - (48848 48848) - (48820 48820) - (48792 48792) - (48764 48764) - (48736 48736) - (48708 48708) - (48680 48680) - (48652 48652) - (48624 48624) - (48596 48596) - (48568 48568) - (48540 48540) - (48512 48512) - (48484 48484) - (48456 48456) - (48428 48428) - (48400 48400) - (48372 48372) - (48344 48344) - (48316 48316) - (48288 48288) - (48260 48260) - (48232 48232) - (48204 48204) - (48176 48176) - (48148 48148) - (48120 48120) - (48092 48092) - (48064 48064) - (48036 48036) - (48008 48008) - (47980 47980) - (47952 47952) - (47924 47924) - (47896 47896) - (47868 47868) - (47840 47840) - (47812 47812) - (47784 47784) - (47756 47756) - (47728 47728) - (47700 47700) - (47672 47672) - (47644 47644) - (47616 47616) - (47588 47588) - (47560 47560) - (47532 47532) - (47504 47504) - (47476 47476) - (47448 47448) - (47420 47420) - (47392 47392) - (47364 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46104) + (46076 46076) + (46048 46048) + (46020 46020) + (45992 45992) + (45964 45964) + (45936 45936) + (45908 45908) + (45880 45880) + (45852 45852) + (45824 45824) + (45796 45796) + (45768 45768) + (45740 45740) + (45712 45712) + (45684 45684) + (45656 45656) + (45628 45628) + (45600 45600) + (45572 45572) + (45544 45544) + (45516 45516) + (45488 45488) + (45460 45460) + (45432 45432) + (45404 45404) + (45376 45376) + (45348 45348) + (45320 45320) + (45292 45292) + (45264 45264) + (45236 45236) + (45208 45208) + (45180 45180) + (45152 45152) + (45124 45124) + (45096 45096) + (45068 45068) + (45040 45040) + (45012 45012) + (44984 44984) + (44956 44956) + (44928 44928) + (44900 44900) + (44872 44872) + (44844 44844) + (44816 44816) + (44788 44788) + (44760 44760) + (44732 44732) + (44704 44704) + (44676 44676) + (44648 44648) + (44620 44620) + (44592 44592) + (44564 44564) + (44536 44536) + (44508 44508) + (44480 44480) + (44452 44452) + (44424 44424) + (44396 44396) + (44368 44368) + (44340 44340) + (44312 44312) + (44284 44284) + (44256 44256) + (44228 44228) + (44200 44200) + (44172 44172) + (44144 44144) + (44116 44116) + (44088 44088) + (44060 44060) + (44032 44032))))) -(define char-set:grapheme-hangul-syllable-l - (char-set)) -(define char-set:grapheme-hangul-syllable-v - (char-set)) -(define char-set:grapheme-hangul-syllable-lv - (char-set)) -(define char-set:grapheme-hangul-syllable-lvt - (char-set)) +(define char-set:grapheme-hangul-syllable-l (char-set)) +(define char-set:grapheme-hangul-syllable-v (char-set)) +(define char-set:grapheme-hangul-syllable-lv (char-set)) +(define char-set:grapheme-hangul-syllable-lvt (char-set)) (define char-set:grapheme-prepend (char-set)) -(define char-set:grapheme-carriage-return - (char-set)) +(define char-set:grapheme-carriage-return (char-set)) (define char-set:grapheme-line-feed (char-set)) (define char-set:grapheme-control (char-set)) (define char-set:grapheme-extend (char-set)) -(define char-set:grapheme-regional-indicator - (char-set)) -(define char-set:grapheme-spacing-mark - (char-set)) -(define char-set:grapheme-zero-width-joiner - (char-set)) +(define char-set:grapheme-regional-indicator (char-set)) +(define char-set:grapheme-spacing-mark (char-set)) +(define char-set:grapheme-zero-width-joiner (char-set)) (define grapheme-charsets - (list (list 'hangul-syllable-l - char-set:grapheme-hangul-syllable-l) - (list 'hangul-syllable-v - char-set:grapheme-hangul-syllable-v) - (list 'hangul-syllable-lv - char-set:grapheme-hangul-syllable-lv) - (list 'hangul-syllable-lvt - char-set:grapheme-hangul-syllable-lvt) + (list (list 'hangul-syllable-l char-set:grapheme-hangul-syllable-l) + (list 'hangul-syllable-v char-set:grapheme-hangul-syllable-v) + (list 'hangul-syllable-lv char-set:grapheme-hangul-syllable-lv) + (list 'hangul-syllable-lvt char-set:grapheme-hangul-syllable-lvt) (list 'prepend char-set:grapheme-prepend) - (list 'carriage-return - char-set:grapheme-carriage-return) + (list 'carriage-return char-set:grapheme-carriage-return) (list 'line-feed char-set:grapheme-line-feed) (list 'control char-set:grapheme-control) (list 'extend char-set:grapheme-extend) - (list 'regional-indicator - char-set:grapheme-regional-indicator) - (list 'spacing-mark - char-set:grapheme-spacing-mark) - (list 'zero-width-joiner - char-set:grapheme-zero-width-joiner))) + (list 'regional-indicator char-set:grapheme-regional-indicator) + (list 'spacing-mark char-set:grapheme-spacing-mark) + (list 'zero-width-joiner char-set:grapheme-zero-width-joiner) + (list 'extended-pictographic char-set:emoji-extended-pictographic))) (ranges->charset! - grapheme-ht - 'hangul-syllable-l - char-set:grapheme-hangul-syllable-l) + grapheme-ht + 'hangul-syllable-l + char-set:grapheme-hangul-syllable-l) (ranges->charset! - grapheme-ht - 'hangul-syllable-v - char-set:grapheme-hangul-syllable-v) + grapheme-ht + 'hangul-syllable-v + char-set:grapheme-hangul-syllable-v) (ranges->charset! - grapheme-ht - 'hangul-syllable-lv - char-set:grapheme-hangul-syllable-lv) + grapheme-ht + 'hangul-syllable-lv + char-set:grapheme-hangul-syllable-lv) (ranges->charset! - grapheme-ht - 'hangul-syllable-lvt - char-set:grapheme-hangul-syllable-lvt) + grapheme-ht + 'hangul-syllable-lvt + char-set:grapheme-hangul-syllable-lvt) +(ranges->charset! grapheme-ht 'prepend char-set:grapheme-prepend) (ranges->charset! - grapheme-ht - 'prepend - char-set:grapheme-prepend) + grapheme-ht + 'carriage-return + char-set:grapheme-carriage-return) +(ranges->charset! grapheme-ht 'line-feed char-set:grapheme-line-feed) +(ranges->charset! grapheme-ht 'control char-set:grapheme-control) +(ranges->charset! grapheme-ht 'extend char-set:grapheme-extend) (ranges->charset! - grapheme-ht - 'carriage-return - char-set:grapheme-carriage-return) + grapheme-ht + 'regional-indicator + char-set:grapheme-regional-indicator) +(ranges->charset! grapheme-ht 'spacing-mark char-set:grapheme-spacing-mark) (ranges->charset! - grapheme-ht - 'line-feed - char-set:grapheme-line-feed) -(ranges->charset! - grapheme-ht - 'control - char-set:grapheme-control) -(ranges->charset! - grapheme-ht - 'extend - char-set:grapheme-extend) -(ranges->charset! - grapheme-ht - 'regional-indicator - char-set:grapheme-regional-indicator) -(ranges->charset! - grapheme-ht - 'spacing-mark - char-set:grapheme-spacing-mark) -(ranges->charset! - grapheme-ht - 'zero-width-joiner - char-set:grapheme-zero-width-joiner) + grapheme-ht + 'zero-width-joiner + char-set:grapheme-zero-width-joiner) diff --git a/uniseg/graphemes/stream.scm b/uniseg/graphemes/stream.scm index f8eadf9..7bc64ea 100644 --- a/uniseg/graphemes/stream.scm +++ b/uniseg/graphemes/stream.scm @@ -1,5 +1,6 @@ (define-module (uniseg graphemes stream) #:use-module (uniseg) + #:use-module (uniseg internal) #:use-module (ice-9 textual-ports) #:use-module (ice-9 match) #:use-module (srfi srfi-71) @@ -41,23 +42,14 @@ ;; Port of https://github.com/rivo/uniseg/blob/master/graphemerules.go (define (state-machine cur-state cur-prop) (match (list cur-state cur-prop) - ;; Grapheme boundary #3 + ;; Specifics need to go first, and then non-specifics afterwards + ;; SPECIFIC RULES - no `_' in the match + + ;; Grapheme boundary #3s (('carriage-return 'line-feed) (values 'control+line-feed #f)) - ;; Grapheme boundary #4 - ((or ('carriage-return _) - ('control+line-feed _)) - (values 'any #t)) - - ;; Grapheme boundary #5 - ((_ 'carriage-return) - (values 'carriage-return #t)) - ((or (_ 'line-feed) - (_ 'control)) - (values 'control+line-feed #t)) - - ;; Grapheme boundary #6 + ;; Grapheme boundary #6s (('hangul-syllable-l 'hangul-syllable-l) (values 'hangul-syllable-l #f)) ((or ('hangul-syllable-l 'hangul-syllable-v) @@ -65,100 +57,126 @@ (values 'hangul-syllable-lv #f)) (('hangul-syllable-l 'hangul-syllable-lvt) (values 'hangul-syllable-lvt #f)) - ((_ 'hangul-syllable-l) - (values 'hangul-syllable-l #t)) - ;; Grapheme boundary #7 + ;; Grapheme boundary #7s (('hangul-syllable-lv 'hangul-syllable-v) (values 'hangul-syllable-lv #f)) (('hangul-syllable-lv 'hangul-syllable-t) (values 'hangul-syllable-lvt #f)) - ((or (_ 'hangul-syllable-lv) - (_ 'hangul-syllable-v)) - (values 'hangul-syllable-lv #t)) - ;; Grapheme boundary #8 - ((or (_ 'hangul-syllable-lvt) - (_ 'hangul-syllable-t)) - (values 'hangul-syllable-lvt #t)) + ;; Grapheme boundary #8s (('hangul-syllable-lvt 'hangul-syllable-t) (values 'hangul-syllable-lvt #f)) - ;; Grapheme boundary #9 - ((or (_ 'extend) - (_ 'zero-width-joiner)) - (values 'any #f)) - - ;; Grapheme boundary #9a - ((_ 'spacing-mark) - (values 'any #f)) - - ;; Grapheme boundary #9b - (('prepend _) - (values 'any #f)) - ((_ 'prepend) - (values 'prepend #t)) - - ;; Grapheme boundary #11 (emoji!) + ;; Grapheme boundary #11s (emoji!) (('extended-pictographic 'extend) (values 'extended-pictographic #f)) (('extended-pictographic 'zero-width-joiner) (values 'extended-pictographic+zero-width-joiner #f)) (('extended-pictographic+zero-width-joiner 'extended-pictographic) (values 'extended-pictographic #f)) - ((_ 'extended-pictographic) - (values 'extended-pictographic #t)) - - ;; Grapheme boundaries #12 and #13 + ;; Grapheme boundaries #12s and #13s (('regional-indicator-odd 'regional-indicator) (values 'regioinal-indicator-even #f)) (('regional-indicator-even 'regional-indicator) (values 'regional-indicator-odd #t)) + + ;; NON-SPECIFIC RULES + + ;; Grapheme boundary #4n + ((or ('carriage-return _) + ('control+line-feed _)) + (values 'any #t)) + + ;; Grapheme boundary #5n + ((_ 'carriage-return) + (values 'carriage-return #t)) + ((or (_ 'line-feed) + (_ 'control)) + (values 'control+line-feed #t)) + ((_ 'hangul-syllable-l) + (values 'hangul-syllable-l #t)) + + ;; Grapheme boundary #7n + ((or (_ 'hangul-syllable-lv) + (_ 'hangul-syllable-v)) + (values 'hangul-syllable-lv #t)) + + ;; Grapheme boundary #8n + ((or (_ 'hangul-syllable-lvt) + (_ 'hangul-syllable-t)) + (values 'hangul-syllable-lvt #t)) + + ;; Grapheme boundary #9n + ((or (_ 'extend) + (_ 'zero-width-joiner)) + (values 'any #f)) + + ;; Grapheme boundary #9n-A + ((_ 'spacing-mark) + (values 'any #f)) + + ;; Grapheme boundary #9n-B + (('prepend _) + (values 'any #f)) + ((_ 'prepend) + (values 'prepend #t)) + + ;; Grapheme boundary #11n (emoji!) + ((_ 'extended-pictographic) + (values 'extended-pictographic #t)) + + ;; Grapheme boundaries #12n and #13n ((_ 'regional-indicator) (values 'regional-indicator-odd #t)) - ;; Everything else considered a boundeary + ;; Everything else considered a boundary (else (values 'any #t)))) - - (define %glyphs-reverse '()) + ;; State variables, initialized with the first glyph we get! + (define first-glyph (get-char port)) + (define hit-eof? (eof-object? first-glyph)) + (define %glyphs-reverse (list first-glyph)) (define %grapheme-width 0) - (define hit-eof #f) - (define (iterate-through-grapheme state) (define glyph (peek-char port)) (if (eof-object? glyph) (begin - (set! hit-eof #t) + (set! hit-eof? #t) state) - (begin - (let* ((width property (char-width glyph)) - (next-state boundary? (state-machine state property))) + (begin + (let* ((width property (char-width glyph)) + (next-state boundary? (state-machine state property))) - (pk width next-state) + (if boundary? + state + (let ((new-width (+ %grapheme-width width)) + (new-glyphs-reverse (cons glyph %glyphs-reverse))) - (if boundary? - state - (let ((new-width (+ %grapheme-width width)) - (new-glyphs-reverse (cons glyph %glyphs-reverse))) + ;; Officially induct this char into the cluster + (get-char port) + (set! %grapheme-width new-width) + (set! %glyphs-reverse new-glyphs-reverse) + (iterate-through-grapheme next-state))))))) - ;; Officially induct this char into the cluster - (get-char port) - (set! %grapheme-width new-width) - (set! %glyphs-reverse new-glyphs-reverse) - (iterate-through-grapheme state))))))) + ;; Need to explicitly get the first state + ;; Skip all this if it's an empty stream at start + (if hit-eof? + stream-null + (let ((first-width first-prop (char-width first-glyph))) + (set! %grapheme-width first-width) + (iterate-through-grapheme (state-machine 'any first-prop)) - (define final-state (iterate-through-grapheme 'any)) + (let ((grapheme (make-grapheme + %grapheme-width + ;; Delay to avoid construction of unnecessary lists and strings! + (delay (reverse %glyphs-reverse)) + (delay (reverse-list->string %glyphs-reverse))))) - (if - hit-eof - stream-null - (stream-cons - (make-grapheme - %grapheme-width - ;; Delay to avoid construction of unnecessary lists and strings! - (delay (reverse-list->string %glyphs-reverse)) - (delay (reverse %glyphs-reverse))) - (input->grapheme-stream port)))) + ;; If we hit the eof here, we need one last stream entry, otherwise iterate further + (stream-cons grapheme + (if hit-eof? + stream-null + (input->grapheme-stream port)))))))