1 /*
2 * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 /*
27 */
28
29 /*
30 * Licensed Materials - Property of IBM
31 *
32 * (C) Copyright IBM Corp. 1999 All Rights Reserved.
33 * (C) IBM Corp. 1997-1998. All Rights Reserved.
34 *
35 * The program is provided "as is" without any warranty express or
36 * implied, including the warranty of non-infringement and the implied
37 * warranties of merchantibility and fitness for a particular purpose.
38 * IBM will not be liable for any damages suffered by you as a result
39 * of using the Program. In no event will IBM be liable for any
40 * special, indirect or consequential damages or lost profits even if
41 * IBM has been advised of the possibility of their occurrence. IBM
42 * will not be liable for any third party claims against you.
43 */
44
45 package sun.text.resources;
46
47 import java.util.ListResourceBundle;
48
49 /**
50 * Default break-iterator rules. These rules are more or less general for
51 * all locales, although there are probably a few we're missing. The
52 * behavior currently mimics the behavior of BreakIterator in JDK 1.2.
53 * There are known deficiencies in this behavior, including the fact that
54 * the logic for handling CJK characters works for Japanese but not for
55 * Chinese, and that we don't currently have an appropriate locale for
56 * Thai. The resources will eventually be updated to fix these problems.
57 */
58
59 /* Modified for Hindi 3/1/99. */
60
61 /*
62 * Since JDK 1.5.0, this file no longer goes to runtime and is used at J2SE
63 * build phase in order to create [Character|Word|Line|Sentence]BreakIteratorData
64 * files which are used on runtime instead.
65 */
66
67 public class BreakIteratorRules extends ListResourceBundle {
68 protected final Object[][] getContents() {
69 return new Object[][] {
70 // rules describing how to break between logical characters
71 { "CharacterBreakRules",
72
73 // ignore non-spacing marks and enclosing marks (since we never
74 // put a break before ignore characters, this keeps combining
75 // accents with the base characters they modify)
76 "<enclosing>=[:Mn::Me:];"
77
78 // other category definitions
79 + "<choseong>=[\u1100-\u115f];"
80 + "<jungseong>=[\u1160-\u11a7];"
81 + "<jongseong>=[\u11a8-\u11ff];"
82 + "<surr-hi>=[\ud800-\udbff];"
83 + "<surr-lo>=[\udc00-\udfff];"
84
85 // break after every character, except as follows:
86 + ".;"
87
88 // keep base and combining characters togethers
89 + "<base>=[^<enclosing>^[:Cc::Cf::Zl::Zp:]];"
90 + "<base><enclosing><enclosing>*;"
91
92 // keep CRLF sequences together
93 + "\r\n;"
94
95 // keep surrogate pairs together
96 + "<surr-hi><surr-lo>;"
97
98 // keep Hangul syllables spelled out using conjoining jamo together
99 + "<choseong>*<jungseong>*<jongseong>*;"
100
101 // various additions for Hindi support
102 + "<nukta>=[\u093c];"
103 + "<danda>=[\u0964\u0965];"
104 + "<virama>=[\u094d];"
105 + "<devVowelSign>=[\u093e-\u094c\u0962\u0963];"
106 + "<devConsonant>=[\u0915-\u0939];"
107 + "<devNuktaConsonant>=[\u0958-\u095f];"
108 + "<devCharEnd>=[\u0902\u0903\u0951-\u0954];"
109 + "<devCAMN>=(<devConsonant>{<nukta>});"
110 + "<devConsonant1>=(<devNuktaConsonant>|<devCAMN>);"
111 + "<zwj>=[\u200d];"
112 + "<devConjunct>=({<devConsonant1><virama>{<zwj>}}<devConsonant1>);"
113 + "<devConjunct>{<devVowelSign>}{<devCharEnd>};"
114 + "<danda><nukta>;"
115 },
116
117 // default rules for finding word boundaries
118 { "WordBreakRules",
119 // ignore non-spacing marks, enclosing marks, and format characters,
120 // all of which should not influence the algorithm
121 //"<ignore>=[:Mn::Me::Cf:];"
122 "<ignore>=[:Cf:];"
123
124 + "<enclosing>=[:Mn::Me:];"
125
126 // Hindi phrase separator, kanji, katakana, hiragana, CJK diacriticals,
127 // other letters, and digits
128 + "<danda>=[\u0964\u0965];"
129 + "<kanji>=[\u3005\u4e00-\u9fa5\uf900-\ufa2d];"
130 + "<kata>=[\u30a1-\u30fa\u30fd\u30fe];"
131 + "<hira>=[\u3041-\u3094\u309d\u309e];"
132 + "<cjk-diacrit>=[\u3099-\u309c\u30fb\u30fc];"
133 + "<letter-base>=[:L::Mc:^[<kanji><kata><hira><cjk-diacrit>]];"
134 + "<let>=(<letter-base><enclosing>*);"
135 + "<digit-base>=[:N:];"
136 + "<dgt>=(<digit-base><enclosing>*);"
137
138 // punctuation that can occur in the middle of a word: currently
139 // dashes, apostrophes, quotation marks, and periods
140 + "<mid-word>=[:Pd::Pc:\u00ad\u2027\\\"\\\'\\.];"
141
142 // punctuation that can occur in the middle of a number: currently
143 // apostrophes, qoutation marks, periods, commas, and the Arabic
144 // decimal point
145 + "<mid-num>=[\\\"\\\'\\,\u066b\\.];"
146
147 // punctuation that can occur at the beginning of a number: currently
148 // the period, the number sign, and all currency symbols except the cents sign
149 + "<pre-num>=[:Sc:\\#\\.^\u00a2];"
150
151 // punctuation that can occur at the end of a number: currently
152 // the percent, per-thousand, per-ten-thousand, and Arabic percent
153 // signs, the cents sign, and the ampersand
154 + "<post-num>=[\\%\\&\u00a2\u066a\u2030\u2031];"
155
156 // line separators: currently LF, FF, PS, and LS
157 + "<ls>=[\n\u000c\u2028\u2029];"
158
159 // whitespace: all space separators and the tab character
160 + "<ws-base>=[:Zs:\t];"
161 + "<ws>=(<ws-base><enclosing>*);"
162
163 // a word is a sequence of letters that may contain internal
164 // punctuation, as long as it begins and ends with a letter and
165 // never contains two punctuation marks in a row
166 + "<word>=((<let><let>*(<mid-word><let><let>*)*){<danda>});"
167
168 // a number is a sequence of digits that may contain internal
169 // punctuation, as long as it begins and ends with a digit and
170 // never contains two punctuation marks in a row.
171 + "<number>=(<dgt><dgt>*(<mid-num><dgt><dgt>*)*);"
172
173 // break after every character, with the following exceptions
174 // (this will cause punctuation marks that aren't considered
175 // part of words or numbers to be treated as words unto themselves)
176 + ".;"
177
178 // keep together any sequence of contiguous words and numbers
179 // (including just one of either), plus an optional trailing
180 // number-suffix character
181 + "{<word>}(<number><word>)*{<number>{<post-num>}};"
182
183 // keep together and sequence of contiguous words and numbers
184 // that starts with a number-prefix character and a number,
185 // and may end with a number-suffix character
186 + "<pre-num>(<number><word>)*{<number>{<post-num>}};"
187
188 // keep together runs of whitespace (optionally with a single trailing
189 // line separator or CRLF sequence)
190 + "<ws>*{\r}{<ls>};"
191
192 // keep together runs of Katakana and CJK diacritical marks
193 + "[<kata><cjk-diacrit>]*;"
194
195 // keep together runs of Hiragana and CJK diacritical marks
196 + "[<hira><cjk-diacrit>]*;"
197
198 // keep together runs of Kanji
199 + "<kanji>*;"
200
201 // keep together anything else and an enclosing mark
202 + "<base>=[^<enclosing>^[:Cc::Cf::Zl::Zp:]];"
203 + "<base><enclosing><enclosing>*;"
204 },
205
206 // default rules for determining legal line-breaking positions
207 { "LineBreakRules",
208 // characters that always cause a break: ETX, tab, LF, FF, LS, and PS
209 "<break>=[\u0003\t\n\f\u2028\u2029];"
210
211 // ignore format characters and control characters EXCEPT for breaking chars
212 + "<ignore>=[:Cf:[:Cc:^[<break>\r]]];"
213
214 // enclosing marks
215 + "<enclosing>=[:Mn::Me:];"
216
217 // Hindi phrase separators
218 + "<danda>=[\u0964\u0965];"
219
220 // characters that always prevent a break: the non-breaking space
221 // and similar characters
222 + "<glue>=[\u00a0\u0f0c\u2007\u2011\u202f\ufeff];"
223
224 // whitespace: space separators and control characters, except for
225 // CR and the other characters mentioned above
226 + "<space>=[:Zs::Cc:^[<glue><break>\r]];"
227
228 // dashes: dash punctuation and the discretionary hyphen, except for
229 // non-breaking hyphens
230 + "<dash>=[:Pd:\u00ad^<glue>];"
231
232 // characters that stick to a word if they precede it: currency symbols
233 // (except the cents sign) and starting punctuation
234 + "<pre-word>=[:Sc::Ps::Pi:^[\u00a2]\\\"\\\'];"
235
236 // characters that stick to a word if they follow it: ending punctuation,
237 // other punctuation that usually occurs at the end of a sentence,
238 // small Kana characters, some CJK diacritics, etc.
239 + "<post-word>=[\\\":Pe::Pf:\\!\\%\\.\\,\\:\\;\\?\u00a2\u00b0\u066a\u2030-\u2034\u2103"
240 + "\u2105\u2109\u3001\u3002\u3005\u3041\u3043\u3045\u3047\u3049\u3063"
241 + "\u3083\u3085\u3087\u308e\u3099-\u309e\u30a1\u30a3\u30a5\u30a7\u30a9"
242 + "\u30c3\u30e3\u30e5\u30e7\u30ee\u30f5\u30f6\u30fc-\u30fe\uff01\uff05"
243 + "\uff0c\uff0e\uff1a\uff1b\uff1f];"
244
245 // Kanji: actually includes Kanji,Kana and Hangul syllables,
246 // except for small Kana and CJK diacritics
247 + "<kanji>=[\u4e00-\u9fa5\uac00-\ud7a3\uf900-\ufa2d\ufa30-\ufa6a\u3041-\u3094\u30a1-\u30fa^[<post-word><ignore>]];"
248
249 // digits
250 + "<digit>=[:Nd::No:];"
251
252 // punctuation that can occur in the middle of a number: periods and commas
253 + "<mid-num>=[\\.\\,];"
254
255 // everything not mentioned above
256 + "<char>=[^[<break><space><dash><kanji><glue><ignore><pre-word><post-word><mid-num>\r<danda>]];"
257
258 // a "number" is a run of prefix characters and dashes, followed by one or
259 // more digits with isolated number-punctuation characters interspersed
260 + "<number>=([<pre-word><dash>]*<digit><digit>*(<mid-num><digit><digit>*)*);"
261
262 // the basic core of a word can be either a "number" as defined above, a single
263 // "Kanji" character, or a run of any number of not-explicitly-mentioned
264 // characters (this includes Latin letters)
265 + "<word-core>=(<char>*|<kanji>|<number>);"
266
267 // a word may end with an optional suffix that be either a run of one or
268 // more dashes or a run of word-suffix characters
269 + "<word-suffix>=((<dash><dash>*|<post-word>*));"
270
271 // a word, thus, is an optional run of word-prefix characters, followed by
272 // a word core and a word suffix (the syntax of <word-core> and <word-suffix>
273 // actually allows either of them to match the empty string, putting a break
274 // between things like ")(" or "aaa(aaa"
275 + "<word>=(<pre-word>*<word-core><word-suffix>);"
276
277 + "<hack1>=[\\(];"
278 + "<hack2>=[\\)];"
279 + "<hack3>=[\\$\\'];"
280
281 // finally, the rule that does the work: Keep together any run of words that
282 // are joined by runs of one of more non-spacing mark. Also keep a trailing
283 // line-break character or CRLF combination with the word. (line separators
284 // "win" over nbsp's)
285 + "<word>(((<space>*<glue><glue>*{<space>})|<hack3>)<word>)*<space>*{<enclosing>*}{<hack1><hack2><post-word>*}{<enclosing>*}{\r}{<break>};"
286 + "\r<break>;"
287 },
288
289 // default rules for finding sentence boundaries
290 { "SentenceBreakRules",
291 // ignore non-spacing marks, enclosing marks, and format characters
292 "<ignore>=[:Mn::Me::Cf:];"
293
294 // letters
295 + "<letter>=[:L:];"
296
297 // lowercase letters
298 + "<lc>=[:Ll:];"
299
300 // uppercase letters
301 + "<uc>=[:Lu:];"
302
303 // NOT lowercase letters
304 + "<notlc>=[<letter>^<lc>];"
305
306 // whitespace (line separators are treated as whitespace)
307 + "<space>=[\t\r\f\n\u2028:Zs:];"
308
309 // punctuation which may occur at the beginning of a sentence: "starting
310 // punctuation" and quotation marks
311 + "<start-punctuation>=[:Ps::Pi:\\\"\\\'];"
312
313 // punctuation with may occur at the end of a sentence: "ending punctuation"
314 // and quotation marks
315 + "<end>=[:Pe::Pf:\\\"\\\'];"
316
317 // digits
318 + "<digit>=[:N:];"
319
320 // characters that unambiguously signal the end of a sentence
321 + "<term>=[\\!\\?\u3002\uff01\uff1f];"
322
323 // periods, which MAY signal the end of a sentence
324 + "<period>=[\\.\uff0e];"
325
326 // characters that may occur at the beginning of a sentence: basically anything
327 // not mentioned above (letters and digits are specifically excluded)
328 + "<sent-start>=[^[:L:<space><start-punctuation><end><digit><term><period>\u2029<ignore>]];"
329
330 // Hindi phrase separator
331 + "<danda>=[\u0964\u0965];"
332
333 // always break sentences after paragraph separators
334 + ".*?{\u2029};"
335
336 // always break after a danda, if it's followed by whitespace
337 + ".*?<danda><space>*;"
338
339 // if you see a period, skip over additional periods and ending punctuation
340 // and if the next character is a paragraph separator, break after the
341 // paragraph separator
342 //+ ".*?<period>[<period><end>]*<space>*\u2029;"
343 //+ ".*?[<period><end>]*<space>*\u2029;"
344
345 // if you see a period, skip over additional periods and ending punctuation,
346 // followed by optional whitespace, followed by optional starting punctuation,
347 // and if the next character is something that can start a sentence
348 // (basically, a capital letter), then put the sentence break between the
349 // whitespace and the opening punctuation
350 + ".*?<period>[<period><end>]*<space><space>*/<notlc>;"
351 + ".*?<period>[<period><end>]*<space>*/[<start-punctuation><sent-start>][<start-punctuation><sent-start>]*<letter>;"
352
353 // if you see a sentence-terminating character, skip over any additional
354 // terminators, periods, or ending punctuation, followed by any whitespace,
355 // followed by a SINGLE optional paragraph separator, and put the break there
356 + ".*?<term>[<term><period><end>]*<space>*{\u2029};"
357
358 // The following rules are here to aid in backwards iteration. The automatically
359 // generated backwards state table will rewind to the beginning of the
360 // paragraph all the time (or all the way to the beginning of the document
361 // if the document doesn't use the Unicode PS character) because the only
362 // unambiguous character pairs are those involving paragraph separators.
363 // These specify a few more unambiguous breaking situations.
364
365 // if you see a sentence-starting character, followed by starting punctuation
366 // (remember, we're iterating backwards), followed by an optional run of
367 // whitespace, followed by an optional run of ending punctuation, followed
368 // by a period, this is a safe place to turn around
369 + "!<sent-start><start-punctuation>*<space>*<end>*<period>;"
370
371 // if you see a letter or a digit, followed by an optional run of
372 // starting punctuation, followed by an optional run of whitespace,
373 // followed by an optional run of ending punctuation, followed by
374 // a sentence terminator, this is a safe place to turn around
375 + "![<sent-start><lc><digit>]<start-punctuation>*<space>*<end>*<term>;"
376 }
377 };
378 }
379 }