1# 2# Copyright (C) 2016 and later: Unicode, Inc. and others. 3# License & terms of use: http://www.unicode.org/copyright.html 4# Copyright (c) 2016 International Business Machines Corporation and others. All Rights Reserved. 5# 6# file: line_normal_cj.txt 7# 8# Reference Line Break rules for intltest rbbi/RBBIMonkeyTest 9# 10# Note: Rule syntax and the monkey test itself are still a work in progress. 11# They are expected to change with review and the addition of support for rule tailoring. 12# 13# Line Breaking Rules 14# Implement default line breaking as defined by 15# Unicode Standard Annex #14 Revision 34 for Unicode 8.0 16# http://www.unicode.org/reports/tr14/ 17# tailored as noted in 2nd paragraph below. 18# 19# TODO: Rule LB 8 remains as it was in Unicode 5.2 20# This is only because of a limitation of ICU break engine implementation, 21# not because the older behavior is desirable. 22# 23# This tailors the line break behavior to correspond to CSS 24# line-break=normal (BCP47 -u-lb-normal) as defined for Chinese & Japanese. 25# It sets characters of class CJ to behave like ID. 26# In addition, it allows breaks: 27# * before hyphens 2010 & 2013 (both BA) and 301C, 30A0 (both NS) 28 29type = line; 30locale = ja@lb=normal; 31 32AI = [:LineBreak = Ambiguous:]; 33AL = [:LineBreak = Alphabetic:]; 34BAX = [\u2010 \u2013]; 35BA = [[:LineBreak = Break_After:] - BAX]; 36BB = [:LineBreak = Break_Before:]; 37BK = [:LineBreak = Mandatory_Break:]; 38B2 = [:LineBreak = Break_Both:]; 39CB = [:LineBreak = Contingent_Break:]; 40CJ = [:LineBreak = Conditional_Japanese_Starter:]; 41CL = [:LineBreak = Close_Punctuation:]; 42CM = [:LineBreak = Combining_Mark:]; 43CP = [:LineBreak = Close_Parenthesis:]; 44CR = [:LineBreak = Carriage_Return:]; 45EB = [[:LineBreak = EB:]\U0001F3C2\U0001F3C7\U0001F3CC\U0001F46A-\U0001F46D\U0001F46F\U0001F574\U0001F6CC]; 46EM = [:LineBreak = EM:]; 47EX = [:LineBreak = Exclamation:]; 48GL = [:LineBreak = Glue:]; 49HL = [:LineBreak = Hebrew_Letter:]; 50HY = [:LineBreak = Hyphen:]; 51H2 = [:LineBreak = H2:]; 52H3 = [:LineBreak = H3:]; 53ID = [[:LineBreak = Ideographic:] CJ]; # CSS Normal tailoring: CJ resolves to ID 54IN = [:LineBreak = Inseperable:]; 55IS = [:LineBreak = Infix_Numeric:]; 56JL = [:LineBreak = JL:]; 57JV = [:LineBreak = JV:]; 58JT = [:LineBreak = JT:]; 59LF = [:LineBreak = Line_Feed:]; 60NL = [:LineBreak = Next_Line:]; 61NSX = [\u301C \u30A0]; 62NS = [[:LineBreak = Nonstarter:] - NSX]; 63NU = [:LineBreak = Numeric:]; 64OP = [:LineBreak = Open_Punctuation:]; 65PO = [:LineBreak = Postfix_Numeric:]; 66PR = [:LineBreak = Prefix_Numeric:]; 67QU = [:LineBreak = Quotation:]; 68RI = [:LineBreak = Regional_Indicator:]; 69SA = [:LineBreak = Complex_Context:]; 70SG = [:LineBreak = Surrogate:]; 71SP = [:LineBreak = Space:]; 72SY = [:LineBreak = Break_Symbols:]; 73WJ = [:LineBreak = Word_Joiner:]; 74XX = [:LineBreak = Unknown:]; 75ZW = [:LineBreak = ZWSpace:]; 76ZWJ = [:LineBreak = ZWJ:]; 77 78EmojiNRK = [[\p{Emoji}] - [[RI]\u002a\u00230-9©®™〰〽]]; 79# Data for Extended Pictographic scraped from CLDR common/properties/ExtendedPictographic.txt, r12773 80Extended_Pict = [\U0001F774-\U0001F77F\u2700-\u2701\u2703-\u2704\u270E\u2710-\u2711\u2765-\u2767\U0001F030-\U0001F093\U0001F094-\U0001F09F\U0001F10D-\U0001F10F\U0001F12F\U0001F16C-\U0001F16F\U0001F1AD-\U0001F1E5\U0001F203-\U0001F20F\U0001F23C-\U0001F23F\U0001F249-\U0001F24F\U0001F252-\U0001F2FF\U0001F7D5-\U0001F7FF\U0001F000-\U0001F003\U0001F005-\U0001F02B\U0001F02C-\U0001F02F\U0001F322-\U0001F323\U0001F394-\U0001F395\U0001F398\U0001F39C-\U0001F39D\U0001F3F1-\U0001F3F2\U0001F3F6\U0001F4FE\U0001F53E-\U0001F548\U0001F54F\U0001F568-\U0001F56E\U0001F571-\U0001F572\U0001F57B-\U0001F586\U0001F588-\U0001F589\U0001F58E-\U0001F58F\U0001F591-\U0001F594\U0001F597-\U0001F5A3\U0001F5A6-\U0001F5A7\U0001F5A9-\U0001F5B0\U0001F5B3-\U0001F5BB\U0001F5BD-\U0001F5C1\U0001F5C5-\U0001F5D0\U0001F5D4-\U0001F5DB\U0001F5DF-\U0001F5E0\U0001F5E2\U0001F5E4-\U0001F5E7\U0001F5E9-\U0001F5EE\U0001F5F0-\U0001F5F2\U0001F5F4-\U0001F5F9\u2605\u2607-\u260D\u260F-\u2610\u2612\u2616-\u2617\u2619-\u261C\u261E-\u261F\u2621\u2624-\u2625\u2627-\u2629\u262B-\u262D\u2630-\u2637\u263B-\u2647\u2654-\u265F\u2661-\u2662\u2664\u2667\u2669-\u267A\u267C-\u267E\u2680-\u2691\u2695\u2698\u269A\u269D-\u269F\u26A2-\u26A9\u26AC-\u26AF\u26B2-\u26BC\u26BF-\u26C3\u26C6-\u26C7\u26C9-\u26CD\u26D0\u26D2\u26D5-\u26E8\u26EB-\u26EF\u26F6\u26FB-\u26FC\u26FE-\u26FF\u2388\U0001FA00-\U0001FFFD\U0001F0A0-\U0001F0AE\U0001F0B1-\U0001F0BF\U0001F0C1-\U0001F0CF\U0001F0D1-\U0001F0F5\U0001F0AF-\U0001F0B0\U0001F0C0\U0001F0D0\U0001F0F6-\U0001F0FF\U0001F80C-\U0001F80F\U0001F848-\U0001F84F\U0001F85A-\U0001F85F\U0001F888-\U0001F88F\U0001F8AE-\U0001F8FF\U0001F900-\U0001F90F\U0001F91F\U0001F928-\U0001F92F\U0001F931-\U0001F932\U0001F93F\U0001F94C-\U0001F94F\U0001F95F-\U0001F97F\U0001F992-\U0001F9BF\U0001F9C1-\U0001F9FF\U0001F6C6-\U0001F6CA\U0001F6E6-\U0001F6E8\U0001F6EA\U0001F6F1-\U0001F6F2\U0001F6D3-\U0001F6DF\U0001F6ED-\U0001F6EF\U0001F6F7-\U0001F6FF]; 81 82# LB1 - Resolve AI, CB, CJ, SA, SG, and XX into other line breaking classes 83AL = [AL AI SG XX ]; 84dictionary = SA; 85 86# By LB9, a ZWJ also behaves as a CM. Including it in the definition of CM avoids having to explicitly 87# list it in the numerous rules that use CM. 88CM = [CM ZWJ]; 89 90LB4: BK ÷; 91LB5: CR LF; 92LB5.1: CR ÷; 93LB5.2: LF ÷; 94LB5.3: NL ÷; 95 96LB6: . (BK | CR | LF | NL); 97LB6.1: [^BK CR LF NL SP ZW] CM* (BK | CR | LF | NL); 98 99# Rules LB14 - LB17. 100# Moved before LB7, because they can match a longer sequence that would also match LB7, 101# for example, the sequence "OP CM SP AL" matches LB14 while the prefix of it, 102# "while only the prefix "OP CM SP" matches LB7.1 103LB14: OP CM* SP* .; 104LB15: QU CM* SP* OP; 105 106# Do not break between closing punctuation and $NS, even with intervening spaces 107# But DO allow a break between closing punctuation and $NSX, don't include it here 108LB16: (CL | CP)CM* SP* NS; 109LB17: B2 CM* SP* B2; 110 111LB7.1: [^ZW SP] CM* [SP ZW]; 112LB7.2: [ZW SP] [SP ZW]; 113 114# LB8, ICU differs from UAX-14, 115# ICU: ZW ÷; 116# UAX 14: ZW SP* ÷; 117LB8: ZW ÷; 118 119# LB8a 120# ZWJ x (ID | Extended_Pict | EmojiNRK) 121LB8a: ZWJ (ID | Extended_Pict | EmojiNRK); 122 123 124# LB9: X CM -> X 125# LB10: Unattached CM -> AL 126 127#LB11: × WJ; 128# WJ × 129 130LB11.1: [^BK CR LF NL SP ZW] CM* WJ; 131LB11.2: SP WJ; 132LB11.3: WJ CM* [^CM]; 133 134LB12: GL CM* [^CM]; 135 136LB12a: [^SP BA BAX HY] CM* GL; 137 138# LB 13 ICU Tailoring, matches tailoring exmaple 8 from UAX 14. 139# 140# LB13.1 [^SP] CM* [CL CP EX IS SY] # original UAX 14 rule. 141# LB13.2 SP CM* [CL CP EX IS SY] 142 143LB13.1: [^NU SP] CM* [CL CP IS SY]; 144LB13.2: [^SP] CM* EX; 145LB13.2: SP [CL CP EX IS SY]; 146 147 148# LB 14-17 are moved above LB 7. 149 150LB18: SP ÷; 151 152LB19: . CM* QU; 153LB19.1: QU CM* [^CM]; 154 155# LB 20 Break before and after CB. 156# Interaction with LB8a: ZWJ x ID is tricky because CM includes ZWJ. 157# ZWJ acts like a CM to the left, combining with CB. 158# ZWJ acts independently to the right, no break from ID by LB8a. 159LB20: . CM* ÷ CB; 160LB20.1a: CB CM* ZWJ (ID | Extended_Pict | EmojiNRK); 161LB20.1b: CB CM* ÷; 162 163# Note: Rule 21a must come before 21 to prevent 21.1 from matching HL BA, then 164# not picking up the continuing match after the BA from 21a. 165# TODO: For CJ tailorings (with BAX) does this rule want to include BAX? If so, 166# should "HL BAX" not break when followed by a CB? Thats what the current 167# rules do, which is why "[^CM CB]?" includes the ?. 168LB21a: HL CM* (HY | BA | BAX) CM* [^CM CB]?; 169 170# DO allow breaks here before $BAXcm and $NSXcm, so don't include them 171LB21.1: . CM* [BA HY NS]; 172LB21.2: BB CM* [^CM CB]; 173 174LB21b: SY CM* HL; 175 176LB22.1: (AL | HL | CM) CM* IN; # The CM is from LB10, treat an unattached CM as AL. 177LB22.2: EX CM* IN; 178LB22.3: (ID | EB | EM) CM* IN; 179LB22.4: IN CM* IN; 180LB22.5: NU CM* IN; 181 182LB23.1: (AL | HL | CM) CM* NU; 183LB23.2: NU CM* (AL | HL); 184 185LB23a.1: PR CM* (ID | EB | EM); 186LB23a.2: (ID | EB | EM) CM* PO; 187 188LB24.2: (PR | PO) CM* (AL | HL); 189LB24.3: (AL | HL | CM) CM* (PR | PO); 190 191# Numbers. Equivalent to Tailoring example 8 from UAx 14. 192LB25: ((PR | PO)CM*)? ((OP | HY)CM*)? NU (CM*(NU | SY | IS))* (CM*(CL | CP))? (CM*(PR | PO))?; 193 194LB26.1: JL CM* (JL | JV | H2 | H3); 195LB26.2: (JV | H2) CM* (JV | JT); 196LB26.3: (JT | H3) CM* JT; 197 198LB27.1: (JL | JV | JT | H2 | H3) CM* IN; 199LB27.2: (JL | JV | JT | H2 | H3) CM* PO; 200LB27.3: PR CM* (JL | JV | JT | H2 | H3); 201 202# LB28 Do not break between Alphabetics. 203# Unattached (leading) CM treated as AL. 204LB28: (AL | HL | CM)CM* (AL | HL); 205 206LB29: IS CM* (AL | HL); 207 208# LB30 is adjusted for unattached leading CM being treated as AL. 209LB30.1: (AL | CM | HL | NU) CM* OP; 210LB30.2: CP CM* (AL | HL | NU); 211 212# LB31 keep pairs of RI together. 213LB30a.1: RI CM* RI CM* [BK CR LF NL SP ZW WJ GL CL CP EX IS SY QU BA HY NS]; 214LB30a.2: RI CM* RI CM* ZWJ (ID | Extended_Pict | EmojiNRK); 215LB30a.3: RI CM* RI CM* ÷; 216 217# LB30b Do not break between Emoji Base and Emoji Modifier 218LB30b: EB CM* EM; 219 220# LB31 Break Everywhere Else. 221# Include combining marks 222LB31.1: . CM* ZWJ (ID | Extended_Pict | EmojiNRK); 223LB31.2: . CM* ÷; 224