]>
Commit | Line | Data |
---|---|---|
3d1f044b A |
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.txt | |
7 | # | |
8 | # Reference Line Break rules for intltest rbbi/RBBIMonkeyTest. | |
9 | # Rules derived from Unicode Standard Annex #14 Revision 40 for Unicode 11.0 | |
10 | # | |
11 | # Note: Rule syntax and the monkey test itself are still a work in progress. | |
12 | # They are expected to change with review and the addition of support for rule tailoring. | |
13 | ||
14 | ||
15 | type = line; | |
16 | locale = zh; | |
17 | ||
18 | ||
19 | AI = [:LineBreak = Ambiguous:]; | |
20 | AL = [:LineBreak = Alphabetic:]; | |
21 | BA = [:LineBreak = Break_After:]; | |
22 | HH = [\u2010]; # \u2010 is HYPHEN, default line break is BA. | |
23 | BB = [:LineBreak = Break_Before:]; | |
24 | BK = [:LineBreak = Mandatory_Break:]; | |
25 | B2 = [:LineBreak = Break_Both:]; | |
26 | CB = [:LineBreak = Contingent_Break:]; | |
27 | CJ = [:LineBreak = Conditional_Japanese_Starter:]; | |
28 | CL = [[:LineBreak = Close_Punctuation:] \u201d]; | |
29 | CMS = [:LineBreak = Combining_Mark:]; | |
30 | CP = [:LineBreak = Close_Parenthesis:]; | |
31 | CR = [:LineBreak = Carriage_Return:]; | |
32 | EB = [:LineBreak = EB:]; | |
33 | EM = [:LineBreak = EM:]; | |
34 | EX = [:LineBreak = Exclamation:]; | |
35 | GL = [:LineBreak = Glue:]; | |
36 | HL = [:LineBreak = Hebrew_Letter:]; | |
37 | HY = [:LineBreak = Hyphen:]; | |
38 | H2 = [:LineBreak = H2:]; | |
39 | H3 = [:LineBreak = H3:]; | |
40 | ID = [:LineBreak = Ideographic:]; | |
41 | IN = [:LineBreak = Inseperable:]; | |
42 | IS = [:LineBreak = Infix_Numeric:]; | |
43 | JL = [:LineBreak = JL:]; | |
44 | JV = [:LineBreak = JV:]; | |
45 | JT = [:LineBreak = JT:]; | |
46 | LF = [:LineBreak = Line_Feed:]; | |
47 | NL = [:LineBreak = Next_Line:]; | |
48 | NS = [[:LineBreak = Nonstarter:] CJ]; # CSS Strict tailoring: CJ resolves to NS. | |
49 | NU = [:LineBreak = Numeric:]; | |
50 | OP = [[:LineBreak = Open_Punctuation:] \u201c]; | |
51 | PO = [:LineBreak = Postfix_Numeric:]; | |
52 | PR = [:LineBreak = Prefix_Numeric:]; | |
53 | QU = [[:LineBreak = Quotation:] - [\u201c\u201d]]; | |
54 | RI = [:LineBreak = Regional_Indicator:]; | |
55 | SA = [:LineBreak = Complex_Context:]; | |
56 | SG = [:LineBreak = Surrogate:]; | |
57 | SP = [:LineBreak = Space:]; | |
58 | SY = [:LineBreak = Break_Symbols:]; | |
59 | WJ = [:LineBreak = Word_Joiner:]; | |
60 | XX = [:LineBreak = Unknown:]; | |
61 | ZW = [:LineBreak = ZWSpace:]; | |
62 | ZWJ = [:LineBreak = ZWJ:]; | |
63 | ||
64 | # LB1 - Resolve AI, CB, CJ, SA, SG, and XX into other line breaking classes | |
65 | AL = [AL AI SG XX ]; | |
66 | dictionary = SA; | |
67 | ||
68 | # By LB9, a ZWJ also behaves as a CM. Including it in the definition of CM avoids having to explicitly | |
69 | # list it in the numerous rules that use CM. | |
70 | CM = [CMS ZWJ]; | |
71 | ||
72 | LB4: BK ÷; | |
73 | LB5: CR LF; | |
74 | LB5.1: CR ÷; | |
75 | LB5.2: LF ÷; | |
76 | LB5.3: NL ÷; | |
77 | ||
78 | LB6: . (BK | CR | LF | NL); | |
79 | LB6.1: [^BK CR LF NL SP ZW] CM* (BK | CR | LF | NL); | |
80 | ||
81 | # LB8 break after ZW SP*. | |
82 | # Precedes LB7 because both rules will match the sequences like ZW SP, | |
83 | # and LB8 must take precedence. | |
84 | ||
85 | LB8: ZW SP* ÷ [^ZW SP BK CR LF NL]; | |
86 | ||
87 | # Numbers. Equivalent to Tailoring example 8 from UAX 14. | |
88 | # Moved up, before LB14, because it can match longer sequences which must take precedence. | |
89 | LB25: ((PR | PO)CM*)? ((OP | HY)CM*)? (IS CM*)? NU (CM*(NU | SY | IS))* (CM*(CL | CP))? (CM*(PR | PO))?; | |
90 | ||
91 | # Rules LB14 - LB17. | |
92 | # Moved up, before LB7, because they can match a longer sequence that would also match LB7. | |
93 | # For example, the sequence "OP CM SP AL" matches LB14 | |
94 | # while the prefix of it, "OP CM SP" matches LB7.1 | |
95 | LB14: OP CM* SP* .; | |
96 | ||
97 | # LB 14a Break before an IS that begins a number and follows a space. | |
98 | LB14a: SP ÷ IS CM* NU; | |
99 | ||
100 | # LB14b × IS | |
101 | LB14b.1: [^SP] CM* IS; | |
102 | LB14b.2: SP IS; | |
103 | ||
104 | LB15: QU CM* SP* OP; | |
105 | LB16: (CL | CP)CM* SP* NS; | |
106 | LB17: B2 CM* SP* B2; | |
107 | ||
108 | ||
109 | # LB7 Do not break before spaces or zero width space. | |
110 | ||
111 | LB7.1: [^ZW SP] CM* [SP ZW]; | |
112 | LB7.2: [ZW SP] [SP ZW]; | |
113 | ||
114 | # LB8a | |
115 | # ZWJ x | |
116 | # Don't match a CM on the right - let other rules pick up CM sequences, where | |
117 | # the ZWJ behaves as just another generic CM. | |
118 | LB8a: ZWJ [^CM]; | |
119 | ||
120 | ||
121 | # LB9: X CM -> X | |
122 | # LB10: Unattached CM -> AL | |
123 | ||
124 | #LB11: × WJ; | |
125 | # WJ × | |
126 | ||
127 | LB11.1: [^SP] CM* WJ; | |
128 | LB11.2: SP WJ; | |
129 | LB11.3: WJ CM* [^CM]; | |
130 | ||
131 | LB12: GL CM* [^CM]; | |
132 | ||
133 | LB12a: [^SP BA HY] CM* GL; | |
134 | ||
135 | # LB 13 Do not break before ‘]’ or ‘!’ or ‘/’, even after spaces. | |
136 | LB13.1: [^SP] CM* [CL CP EX SY]; | |
137 | LB13.2: SP [CL CP EX SY]; | |
138 | ||
139 | # LB 14-17 are moved above LB 7. | |
140 | ||
141 | LB18: SP ÷; | |
142 | ||
143 | LB19: . CM* QU; | |
144 | LB19.1: QU CM* [^CM]; | |
145 | ||
146 | # LB 20 Break before and after CB. | |
147 | # Interaction with LB8a: ZWJ x . is tricky because CM includes ZWJ. | |
148 | # ZWJ acts like a CM to the left, combining with CB. | |
149 | # ZWJ acts independently to the right, no break after by LB8a. | |
150 | LB20.1: . CM* ZWJ CB; | |
151 | LB20.2: . CM* ÷ CB; | |
152 | ||
153 | LB20.3: CB CM* ZWJ [^CM]; | |
154 | LB20.4: CB CM* ÷; | |
155 | ||
156 | # LB 20.09 Don't break between Hyphens and Letters when there is a break preceding the hyphen. | |
157 | LB20.09: ^(HY | HH) CM* AL; | |
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 | LB21a: HL CM* (HY | BA) CM* [^CM CB]; | |
162 | ||
163 | LB21.1: . CM* [BA HY NS]; | |
164 | LB21.2: BB CM* [^CM CB]; | |
165 | ||
166 | LB21b: SY CM* HL; | |
167 | ||
168 | LB22.1: (AL | HL | CM) CM* IN; # The CM is from LB10, treat an unattached CM as AL. | |
169 | LB22.2: EX CM* IN; | |
170 | LB22.3: (ID | EB | EM) CM* IN; | |
171 | LB22.4: IN CM* IN; | |
172 | LB22.5: NU CM* IN; | |
173 | ||
174 | LB23.1: (AL | HL | CM) CM* NU; | |
175 | LB23.2: NU CM* (AL | HL); | |
176 | ||
177 | LB23a.1: PR CM* (ID | EB | EM); | |
178 | LB23a.2: (ID | EB | EM) CM* PO; | |
179 | ||
180 | LB24.2: (PR | PO) CM* (AL | HL); | |
181 | LB24.3: (AL | HL | CM) CM* (PR | PO); | |
182 | ||
183 | ||
184 | LB26.1: JL CM* (JL | JV | H2 | H3); | |
185 | LB26.2: (JV | H2) CM* (JV | JT); | |
186 | LB26.3: (JT | H3) CM* JT; | |
187 | ||
188 | LB27.1: (JL | JV | JT | H2 | H3) CM* IN; | |
189 | LB27.2: (JL | JV | JT | H2 | H3) CM* PO; | |
190 | LB27.3: PR CM* (JL | JV | JT | H2 | H3); | |
191 | ||
192 | # LB28 Do not break between Alphabetics. | |
193 | # Unattached (leading) CM treated as AL. | |
194 | LB28: (AL | HL | CM)CM* (AL | HL); | |
195 | ||
196 | LB29: IS CM* (AL | HL); | |
197 | ||
198 | # LB30 is adjusted for unattached leading CM being treated as AL. | |
199 | LB30.1: (AL | CM | HL | NU) CM* OP; | |
200 | LB30.2: CP CM* (AL | HL | NU); | |
201 | ||
202 | # LB30a keep pairs of RI together. | |
203 | LB30a.1: RI CM* RI ÷ [^BK CR LF NL SP ZW WJ CL CP EX IS SY GL QU BA HY NS CM]; | |
204 | LB30a.2: RI CM* RI CM* CMS ÷ [^BK CR LF NL SP ZW WJ CL CP EX IS SY GL QU BA HY NS CM]; | |
205 | LB30a.3: RI CM* RI CM* [BK CR LF NL SP ZW WJ GL CL CP EX IS SY QU BA HY NS ZWJ]?; | |
206 | ||
207 | # LB30b Do not break between Emoji Base and Emoji Modifier | |
208 | LB30b: EB CM* EM; | |
209 | ||
210 | # LB31 Break Everywhere Else. | |
211 | # Include combining marks | |
212 | LB31.1: . CM* ZWJ [^CM]; | |
213 | LB31.2: . CM* ÷; |