| # |
| # Copyright (C) 2016 and later: Unicode, Inc. and others. |
| # License & terms of use: http://www.unicode.org/copyright.html |
| # Copyright (c) 2016, International Business Machines Corporation and others. All Rights Reserved. |
| |
| # file: line.txt |
| # |
| # Reference Line Break rules for intltest rbbi/RBBIMonkeyTest. |
| # Rules derived from Unicode Standard Annex #14 Revision 44 for Unicode 13.0 |
| # |
| # Note: Rule syntax and the monkey test itself are still a work in progress. |
| # They are expected to change with review and the addition of support for rule tailoring. |
| |
| |
| type = line; |
| locale = zh; |
| |
| |
| AI = [:LineBreak = Ambiguous:]; |
| AL = [:LineBreak = Alphabetic:]; |
| BA = [:LineBreak = Break_After:]; |
| HH = [\u2010]; # \u2010 is HYPHEN, default line break is BA. |
| BB = [:LineBreak = Break_Before:]; |
| BK = [:LineBreak = Mandatory_Break:]; |
| B2 = [:LineBreak = Break_Both:]; |
| CB = [:LineBreak = Contingent_Break:]; |
| CJ = [:LineBreak = Conditional_Japanese_Starter:]; |
| CL = [[:LineBreak = Close_Punctuation:] \u201d]; |
| CMS = [:LineBreak = Combining_Mark:]; |
| CP = [:LineBreak = Close_Parenthesis:]; |
| CR = [:LineBreak = Carriage_Return:]; |
| EB = [:LineBreak = EB:]; |
| EM = [:LineBreak = EM:]; |
| EX = [:LineBreak = Exclamation:]; |
| GL = [:LineBreak = Glue:]; |
| HL = [:LineBreak = Hebrew_Letter:]; |
| HY = [:LineBreak = Hyphen:]; |
| H2 = [:LineBreak = H2:]; |
| H3 = [:LineBreak = H3:]; |
| ID = [:LineBreak = Ideographic:]; |
| IN = [:LineBreak = Inseperable:]; |
| IS = [:LineBreak = Infix_Numeric:]; |
| JL = [:LineBreak = JL:]; |
| JV = [:LineBreak = JV:]; |
| JT = [:LineBreak = JT:]; |
| LF = [:LineBreak = Line_Feed:]; |
| NL = [:LineBreak = Next_Line:]; |
| NS = [[:LineBreak = Nonstarter:] CJ]; # CSS Strict tailoring: CJ resolves to NS. |
| NU = [:LineBreak = Numeric:]; |
| OP = [[:LineBreak = Open_Punctuation:] \u201c]; |
| PO = [:LineBreak = Postfix_Numeric:]; |
| PR = [:LineBreak = Prefix_Numeric:]; |
| QU = [[:LineBreak = Quotation:] - [\u201c\u201d]]; |
| RI = [:LineBreak = Regional_Indicator:]; |
| SA = [:LineBreak = Complex_Context:]; |
| SG = [:LineBreak = Surrogate:]; |
| SP = [:LineBreak = Space:]; |
| SY = [:LineBreak = Break_Symbols:]; |
| WJ = [:LineBreak = Word_Joiner:]; |
| XX = [:LineBreak = Unknown:]; |
| ZW = [:LineBreak = ZWSpace:]; |
| ZWJ = [:LineBreak = ZWJ:]; |
| |
| # OP30 and CP30 are variants of OP and CP that appear in rule LB30 from UAX 14. |
| # Limitations of this monkey test rule parser require that these definitions be pulled out |
| # rather than appearing in-line in LB 30. |
| |
| OP30 = [OP - [\p{ea=F}\p{ea=W}\p{ea=H}]]; |
| CP30 = [CP - [\p{ea=F}\p{ea=W}\p{ea=H}]]; |
| |
| # OP30 and CP30 are variants of OP and CP that appear in rule LB30 from UAX 14. |
| # Limitations of this monkey test rule parser require that these definitions be pulled out |
| # rather than appearing in-line in LB 30. |
| |
| OP30 = [OP - [\p{ea=F}\p{ea=W}\p{ea=H}]]; |
| CP30 = [CP - [\p{ea=F}\p{ea=W}\p{ea=H}]]; |
| |
| # LB1 - Resolve AI, CB, CJ, SA, SG, and XX into other line breaking classes |
| AL = [AL AI SG XX ]; |
| dictionary = SA; |
| |
| # By LB9, a ZWJ also behaves as a CM. Including it in the definition of CM avoids having to explicitly |
| # list it in the numerous rules that use CM. |
| CM = [CMS ZWJ]; |
| |
| LB4: BK ÷; |
| LB5: CR LF; |
| LB5.1: CR ÷; |
| LB5.2: LF ÷; |
| LB5.3: NL ÷; |
| |
| LB6: . (BK | CR | LF | NL); |
| LB6.1: [^BK CR LF NL SP ZW] CM* (BK | CR | LF | NL); |
| |
| # LB8 break after ZW SP*. |
| # Precedes LB7 because both rules will match the sequences like ZW SP, |
| # and LB8 must take precedence. |
| |
| LB8: ZW SP* ÷ [^ZW SP BK CR LF NL]; |
| |
| # Numbers. Equivalent to Tailoring example 8 from UAX 14. |
| # Moved up, before LB14, because it can match longer sequences which must take precedence. |
| LB25: ((PR | PO)CM*)? ((OP | HY)CM*)? (IS CM*)? NU (CM*(NU | SY | IS))* (CM*(CL | CP))? (CM*(PR | PO))?; |
| |
| # Rules LB14 - LB17. |
| # Moved up, before LB7, because they can match a longer sequence that would also match LB7. |
| # For example, the sequence "OP CM SP AL" matches LB14 |
| # while the prefix of it, "OP CM SP" matches LB7.1 |
| LB14: OP CM* SP* .; |
| |
| # LB 14a Break before an IS that begins a number and follows a space. |
| LB14a: SP ÷ IS CM* NU; |
| |
| # LB14b × IS |
| LB14b.1: [^SP] CM* IS; |
| LB14b.2: SP IS; |
| |
| LB15: QU CM* SP* OP; |
| LB16: (CL | CP)CM* SP* NS; |
| LB17: B2 CM* SP* B2; |
| |
| |
| # LB7 Do not break before spaces or zero width space. |
| |
| LB7.1: [^ZW SP] CM* [SP ZW]; |
| LB7.2: [ZW SP] [SP ZW]; |
| |
| # LB8a |
| # ZWJ x |
| # Don't match a CM on the right - let other rules pick up CM sequences, where |
| # the ZWJ behaves as just another generic CM. |
| LB8a: ZWJ [^CM]; |
| |
| |
| # LB9: X CM -> X |
| # LB10: Unattached CM -> AL |
| |
| #LB11: × WJ; |
| # WJ × |
| |
| LB11.1: [^SP] CM* WJ; |
| LB11.2: SP WJ; |
| LB11.3: WJ CM* [^CM]; |
| |
| LB12: GL CM* [^CM]; |
| |
| LB12a: [^SP BA HY] CM* GL; |
| |
| # LB 13 Do not break before ‘]’ or ‘!’ or ‘/’, even after spaces. |
| LB13.1: [^SP] CM* [CL CP EX SY]; |
| LB13.2: SP [CL CP EX SY]; |
| |
| # LB 14-17 are moved above LB 7. |
| |
| LB18: SP ÷; |
| |
| LB19: . CM* QU; |
| LB19.1: QU CM* [^CM]; |
| |
| # LB 20 Break before and after CB. |
| # Interaction with LB8a: ZWJ x . is tricky because CM includes ZWJ. |
| # ZWJ acts like a CM to the left, combining with CB. |
| # ZWJ acts independently to the right, no break after by LB8a. |
| LB20.1: . CM* ZWJ CB; |
| LB20.2: . CM* ÷ CB; |
| |
| LB20.3: CB CM* ZWJ [^CM]; |
| LB20.4: CB CM* ÷; |
| |
| # LB 20.09 Don't break between Hyphens and Letters when there is a break preceding the hyphen. |
| LB20.09: ^(HY | HH) CM* AL; |
| |
| # Note: Rule 21a must come before 21 to prevent 21.1 from matching HL BA, then |
| # not picking up the continuing match after the BA from 21a. |
| LB21a: HL CM* (HY | BA) CM* [^CM CB]; |
| |
| LB21.1: . CM* [BA HY NS]; |
| LB21.2: BB CM* [^CM CB]; |
| |
| LB21b: SY CM* HL; |
| |
| LB22: . CM* IN; |
| |
| LB23.1: (AL | HL | CM) CM* NU; |
| LB23.2: NU CM* (AL | HL); |
| |
| LB23a.1: PR CM* (ID | EB | EM); |
| LB23a.2: (ID | EB | EM) CM* PO; |
| |
| LB24.2: (PR | PO) CM* (AL | HL); |
| LB24.3: (AL | HL | CM) CM* (PR | PO); |
| |
| |
| LB26.1: JL CM* (JL | JV | H2 | H3); |
| LB26.2: (JV | H2) CM* (JV | JT); |
| LB26.3: (JT | H3) CM* JT; |
| |
| LB27.1: (JL | JV | JT | H2 | H3) CM* IN; |
| LB27.2: (JL | JV | JT | H2 | H3) CM* PO; |
| LB27.3: PR CM* (JL | JV | JT | H2 | H3); |
| |
| # LB28 Do not break between Alphabetics. |
| # Unattached (leading) CM treated as AL. |
| LB28: (AL | HL | CM)CM* (AL | HL); |
| |
| LB29: IS CM* (AL | HL); |
| |
| # LB30 is adjusted for unattached leading CM being treated as AL. |
| LB30.1: (AL | CM | HL | NU) CM* OP30; |
| LB30.2: CP30 CM* (AL | HL | NU); |
| |
| # LB30a keep pairs of RI together. |
| LB30a.1: RI CM* RI ÷ [^BK CR LF NL SP ZW WJ CL CP EX IS SY GL QU BA HY NS IN CM]; |
| LB30a.2: RI CM* RI CM* CMS ÷ [^BK CR LF NL SP ZW WJ CL CP EX IS SY GL QU BA HY NS IN CM]; |
| LB30a.3: RI CM* RI CM* [BK CR LF NL SP ZW WJ GL CL CP EX IS SY QU BA HY NS IN ZWJ]?; |
| |
| # LB30b Do not break between Emoji Base and Emoji Modifier |
| LB30b: EB CM* EM; |
| |
| # LB31 Break Everywhere Else. |
| # Include combining marks |
| LB31.1: . CM* ZWJ [^CM]; |
| LB31.2: . CM* ÷; |