icuSources/test/testdata/break_rules/line_normal_cj.txt

   1 # Copyright (c) 2016  International Business Machines Corporation and # others. All Rights Reserved.
   2 #
   3 #  file:  line_normal_cj.txt
   4 #
   5 # Reference Line Break rules for intltest rbbi/RBBIMonkeyTest
   6 #
   7 # Note: Rule syntax and the monkey test itself are still a work in progress.
   8 #       They are expected to change with review and the addition of support for rule tailoring.
   9 #
  10 #         Line Breaking Rules
  11 #         Implement default line breaking as defined by
  12 #         Unicode Standard Annex #14 Revision 34 for Unicode 8.0
  13 #         http://www.unicode.org/reports/tr14/
  14 #         tailored as noted in 2nd paragraph below..
  15 #
  16 #         TODO:  Rule LB 8 remains as it was in Unicode 5.2
  17 #         This is only because of a limitation of ICU break engine implementation,
  18 #         not because the older behavior is desirable.
  19 #
  20 #         This tailors the line break behavior to correspond to CSS
  21 #         line-break=normal (BCP47 -u-lb-normal) as defined for Chinese & Japanese.
  22 #         It sets characters of class CJ to behave like ID.
  23 #         In addition, it allows breaks:
  24 #         * before hyphens 2010 & 2013 (both BA) and 301C, 30A0 (both NS)
  25
  26 type = line;
  27 locale = ja@lb=normal;
  28
  29 AI = [[:LineBreak =  Ambiguous:] - [\u2640\u2642]];
  30 AL = [[:LineBreak =  Alphabetic:]-[\u2764]];
  31 BAX = [\u2010 \u2013];
  32 BA = [[:LineBreak =  Break_After:] - BAX];
  33 BB = [:LineBreak =  Break_Before:];
  34 BK = [:LineBreak =  Mandatory_Break:];
  35 B2 = [:LineBreak =  Break_Both:];
  36 CB = [:LineBreak =  Contingent_Break:];
  37 CJ = [:LineBreak =  Conditional_Japanese_Starter:];
  38 CL = [:LineBreak =  Close_Punctuation:];
  39 CM = [[:LineBreak =  Combining_Mark:] \u200D];
  40 CP = [:LineBreak =  Close_Parenthesis:];
  41 CR = [:LineBreak =  Carriage_Return:];
  42
  43 EB = [\u261D\u26F9\u270A-\u270D\U0001F385\U0001F3C3-\U0001F3C4\U0001F3CA-\U0001F3CB\U0001F442-\U0001F443\U0001F446-\U0001F450\U0001F466-\U0001F469\U0001F46E\U0001F470-\U0001F478\U0001F47C\U0001F481-\U0001F483\U0001F485-\U0001F487\U0001F4AA\U0001F575\U0001F590\U0001F595-\U0001F596\U0001F645-\U0001F647\U0001F64B-\U0001F64F\U0001F6A3\U0001F6B4-\U0001F6B6\U0001F6C0\U0001F918];
  44 EM = [\U0001F3FB-\U0001F3FF];
  45
  46 EX = [:LineBreak =  Exclamation:];
  47 GL = [:LineBreak =  Glue:];
  48 HL = [:LineBreak =  Hebrew_Letter:];
  49 HY = [:LineBreak =  Hyphen:];
  50 H2 = [:LineBreak =  H2:];
  51 H3 = [:LineBreak =  H3:];
  52 ID = [[:LineBreak =  Ideographic:] CJ [\u2640\u2642\u2764]];
  53 IN = [:LineBreak =  Inseperable:];
  54 IS = [:LineBreak =  Infix_Numeric:];
  55 JL = [:LineBreak =  JL:];
  56 JV = [:LineBreak =  JV:];
  57 JT = [:LineBreak =  JT:];
  58 LF = [:LineBreak =  Line_Feed:];
  59 NL = [:LineBreak =  Next_Line:];
  60 NSX = [\u301C \u30A0];
  61 NS = [[:LineBreak =  Nonstarter:] - NSX];
  62 NU = [:LineBreak =  Numeric:];
  63 OP = [:LineBreak =  Open_Punctuation:];
  64 PO = [:LineBreak =  Postfix_Numeric:];
  65 PR = [:LineBreak =  Prefix_Numeric:];
  66 QU = [:LineBreak =  Quotation:];
  67 RI = [:LineBreak =  Regional_Indicator:];
  68 SA = [:LineBreak =  Complex_Context:];
  69 SG = [:LineBreak =  Surrogate:];
  70 SP = [:LineBreak =  Space:];
  71 SY = [:LineBreak =  Break_Symbols:];
  72 WJ = [:LineBreak =  Word_Joiner:];
  73 XX = [:LineBreak =  Unknown:];
  74 ZW = [:LineBreak =  ZWSpace:];
  75 ZJ = [\u200D];
  76
  77 # TODO: adjustment to sets needed only until Unicode properties are updated for Emoji.
  78 ID   = [ID - EB];
  79 AL   = [AL - EM];
  80
  81 dictionary = [:LineBreak = Complex_Context:];
  82
  83 # Redfine AL. LB1.  TODO: refine according to latest UAX.
  84 AL = [ AL AI SA SG XX ];
  85
  86 LB4:        BK ÷;
  87 LB5:        CR LF;
  88 LB5.1:      CR ÷;
  89 LB5.2:      LF ÷;
  90 LB5.3:      NL ÷;
  91
  92 LB6:        . (BK | CR | LF | NL);
  93 LB6.1:      [^BK CR LF NL SP ZW] CM* (BK | CR | LF | NL);
  94
  95 # Rules LB14 - LB17.
  96 # Moved before LB7, because they can match a longer sequence that would also match LB7,
  97 # for example, the sequence "OP CM SP AL" matches LB14 while the prefix of it,
  98 #                           "while only the prefix "OP CM SP" matches LB7.1
  99 LB14:        OP CM* SP* .;
 100 LB15:        QU CM* SP* OP;
 101
 102 # Do not break between closing punctuation and $NS, even with intervening spaces
 103 # But DO allow a break between closing punctuation and $NSX, don't include it here
 104 LB16:        (CL | CP)CM* SP* NS;
 105 LB17:        B2 CM* SP* B2;
 106
 107 LB7.1:      [^ZW SP] CM* [SP ZW];
 108 LB7.2:      [ZW SP] [SP ZW];
 109
 110 # LB8, ICU differs from UAX-14,
 111 #    ICU:    ZW ÷;
 112 #    UAX 14: ZW SP* ÷;
 113 LB8:        ZW ÷;
 114
 115 # LB8a, from Emoji proposal L2/16-011R3
 116 #      ZWJ x ID
 117 LB8a:       ZJ (ID | EB | EM);
 118
 119
 120 # LB9:  X CM -> X
 121 # LB10: Unattached CM -> AL
 122
 123 #LB11:       × WJ;
 124 #            WJ ×
 125
 126 LB11.1:      [^BK CR LF NL SP ZW] CM* WJ;
 127 LB11.2:      SP WJ;
 128 LB11.3:      WJ CM* [^CM];
 129
 130 LB12:        GL CM* [^CM];
 131
 132 LB12a:       [^SP BA BAX HY] CM* GL;
 133
 134 # LB 13 ICU Tailoring, matches tailoring exmaple 8 from UAX 14.
 135 #
 136 #   LB13.1   [^SP] CM* [CL CP EX IS SY]    # original UAX 14 rule.
 137 #   LB13.2   SP    CM* [CL CP EX IS SY]
 138
 139 LB13.1: [^NU SP] CM* [CL CP IS SY];
 140 LB13.2: [^SP] CM* EX;
 141 LB13.2: SP [CL CP EX IS SY];
 142
 143
 144 # LB 14-17 are moved above LB 7.
 145
 146 LB18:        SP ÷;
 147
 148 LB19:        . CM* QU;
 149 LB19.1:      QU CM* [^CM];
 150
 151 # LB 20   Break before and after CB.
 152 #         Interaction with LB8a:  ZJ x ID is tricky because CM includes ZJ.
 153 #                                 ZJ acts like a CM to the left, combining with CB.
 154 #                                 ZJ acts independently to the right, no break from ID by LB8a.
 155 LB20:        . CM* ÷ CB;
 156 LB20.1a:     CB CM* ZJ (ID | EB | EM);
 157 LB20.1b:      CB CM* ÷;
 158
 159 # Note: Rule 21a must come before 21 to prevent 21.1 from matching HL BA, then
 160 #       not picking up the continuing match after the BA from 21a.
 161 # TODO: For CJ tailorings (with BAX) does this rule want to include BAX? If so,
 162 #       should "HL BAX" not break when followed by a CB? Thats what the current
 163 #       rules do, which is why "[^CM CB]?"\13 includes the ?.
 164 LB21a:       HL CM* (HY | BA | BAX) CM* [^CM CB]?;
 165
 166 # DO allow breaks here before $BAXcm and $NSXcm, so don't include them
 167 LB21.1:      . CM* [BA HY NS];
 168 LB21.2:      BB CM* [^CM CB];
 169
 170 LB21b:       SY CM* HL;
 171
 172 LB22.1:        (AL | HL | CM) CM* IN;   # The CM is from LB10, treat an unattached CM as AL.
 173 LB22.2:       EX CM* IN;
 174 LB22.3:       (ID | EB | EM) CM* IN;
 175 LB22.4:       IN CM* IN;
 176 LB22.5:       NU CM* IN;
 177
 178 LB23.1:      (ID | EB | EM) CM* PO;
 179 LB23.2:      (AL | HL | CM) CM* NU;
 180 LB23.3:      NU CM* (AL | HL);
 181
 182 LB24.1:      PR CM* (ID | EB | EM);
 183 LB24.2:      PR CM* (AL | HL);
 184 LB24.3:      PO CM* (AL | HL);
 185 LB24.4:      (AL | HL | CM) CM* (PR | PO);
 186
 187 # Numbers. Equivalent to Tailoring example 8 from UAx 14.
 188 LB25:        ((PR | PO)CM*)? ((OP | HY)CM*)? NU (CM*(NU | SY | IS))* (CM*(CL | CP))? (CM*(PR | PO))?;
 189
 190 LB26.1:      JL CM* (JL | JV | H2 | H3);
 191 LB26.2:      (JV | H2) CM* (JV | JT);
 192 LB26.3:      (JT | H3) CM* JT;
 193
 194 LB27.1:      (JL | JV | JT | H2 | H3) CM* IN;
 195 LB27.2:      (JL | JV | JT | H2 | H3) CM* PO;
 196 LB27.3:      PR CM* (JL | JV | JT | H2 | H3);
 197
 198 # LB28 Do not break between Alphabetics.
 199 #      Unattached (leading) CM treated as AL.
 200 LB28:        (AL | HL | CM)CM* (AL | HL);
 201
 202 LB29:        IS CM* (AL | HL);
 203
 204 # LB30  is adjusted for unattached leading CM being treated as AL.
 205 LB30.1:      (AL | CM | HL | NU) CM* OP;
 206 LB30.2:      CP CM* (AL | HL | NU);
 207
 208 # LB31  keep pairs of RI together.
 209 LB30a.1:     RI CM* RI CM* [BK CR LF NL SP ZW WJ GL CL CP EX IS SY QU BA HY NS];
 210 LB30a.2:     RI CM* RI CM* ZJ (ID | EB | EM);
 211 LB30a.3:     RI CM* RI CM* ÷;
 212
 213 # LB30b Do not break between Emoji Base and Emoji Modifier
 214 LB30b:       EB CM* EM;
 215
 216 # LB31 Break Everywhere Else.
 217 #      Include combining marks
 218 LB31.1:        . CM* ZJ (ID | EB | EM);
 219 LB31.2:        . CM* ÷;