1*cdf0e10cSrcweir#
2*cdf0e10cSrcweir#   Copyright (C) 2002-2003, International Business Machines Corporation and others.
3*cdf0e10cSrcweir#       All Rights Reserved.
4*cdf0e10cSrcweir#
5*cdf0e10cSrcweir#   file:  dict_word.txt
6*cdf0e10cSrcweir#
7*cdf0e10cSrcweir#   ICU Word Break Rules
8*cdf0e10cSrcweir#      See Unicode Standard Annex #29.
9*cdf0e10cSrcweir#      These rules are based on Version 4.0.0, dated 2003-04-17
10*cdf0e10cSrcweir#
11*cdf0e10cSrcweir
12*cdf0e10cSrcweir
13*cdf0e10cSrcweir
14*cdf0e10cSrcweir####################################################################################
15*cdf0e10cSrcweir#
16*cdf0e10cSrcweir#  Character class definitions from TR 29
17*cdf0e10cSrcweir#
18*cdf0e10cSrcweir####################################################################################
19*cdf0e10cSrcweir$Katakana  = [[:Script = KATAKANA:] [:name = KATAKANA-HIRAGANA PROLONGED SOUND MARK:]
20*cdf0e10cSrcweir                                   [:name = HALFWIDTH KATAKANA-HIRAGANA PROLONGED SOUND MARK:]
21*cdf0e10cSrcweir                                   [:name = HALFWIDTH KATAKANA VOICED SOUND MARK:]
22*cdf0e10cSrcweir                                   [:name = HALFWIDTH KATAKANA SEMI-VOICED SOUND MARK:]];
23*cdf0e10cSrcweir
24*cdf0e10cSrcweir$Ideographic = [:Ideographic:];
25*cdf0e10cSrcweir$Hangul = [:Script = HANGUL:];
26*cdf0e10cSrcweir
27*cdf0e10cSrcweir$ALetter   = [\u0002 [:Alphabetic:] [:name= COMMERCIAL AT:] [:name= HEBREW PUNCTUATION GERESH:]
28*cdf0e10cSrcweir                [:name = PERCENT SIGN:] [:name = PER MILLE SIGN:] [:name = PER TEN THOUSAND SIGN:]
29*cdf0e10cSrcweir                [:name = SECTION SIGN:] [:name = DEGREE SIGN:] [:name = EURO SIGN:]
30*cdf0e10cSrcweir                [:name = HYPHEN-MINUS:] [:name = EN DASH:] [:name = EM DASH:]
31*cdf0e10cSrcweir                [:name = DIGIT ZERO:]
32*cdf0e10cSrcweir                [:name = DIGIT ONE:]
33*cdf0e10cSrcweir                [:name = DIGIT TWO:]
34*cdf0e10cSrcweir                [:name = DIGIT THREE:]
35*cdf0e10cSrcweir                [:name = DIGIT FOUR:]
36*cdf0e10cSrcweir                [:name = DIGIT FIVE:]
37*cdf0e10cSrcweir                [:name = DIGIT SIX:]
38*cdf0e10cSrcweir                [:name = DIGIT SEVEN:]
39*cdf0e10cSrcweir                [:name = DIGIT EIGHT:]
40*cdf0e10cSrcweir                [:name = DIGIT NINE:]
41*cdf0e10cSrcweir                           - $Ideographic
42*cdf0e10cSrcweir                           - $Katakana
43*cdf0e10cSrcweir                           - $Hangul
44*cdf0e10cSrcweir                           - [:Script = Thai:]
45*cdf0e10cSrcweir                           - [:Script = Lao:]
46*cdf0e10cSrcweir                           - [:Script = Hiragana:]];
47*cdf0e10cSrcweir
48*cdf0e10cSrcweir$MidLetter = [[:name = APOSTROPHE:] [:name = GRAVE ACCENT:] \u0084 [:name = SOFT HYPHEN:] [:name = MIDDLE DOT:] [:name = GREEK TONOS:]
49*cdf0e10cSrcweir              [:name = HEBREW PUNCTUATION GERSHAYIM:] [:name = DOUBLE VERTICAL LINE:] [:name = LEFT SINGLE QUOTATION MARK:]
50*cdf0e10cSrcweir              [:name = RIGHT SINGLE QUOTATION MARK:] [:name = HYPHENATION POINT:] [:name = PRIME:] [:name = HYPHEN-MINUS:]
51*cdf0e10cSrcweir              [:name = EURO SIGN:] [:name = PERCENT SIGN:] [:name = PER MILLE SIGN:] [:name = PER TEN THOUSAND SIGN:]
52*cdf0e10cSrcweir              [:name = EN DASH:] [:name = EM DASH:]
53*cdf0e10cSrcweir              [:name = FULL STOP:] [:name = PERCENT SIGN:] [:name = SECTION SIGN:] [:name = DEGREE SIGN:]];
54*cdf0e10cSrcweir
55*cdf0e10cSrcweir$SufixLetter = [:name= FULL STOP:];
56*cdf0e10cSrcweir
57*cdf0e10cSrcweir$MidNum    = [[:LineBreak = Infix_Numeric:] [:name= COMMERCIAL AT:] \u0084 [:name = GREEK TONOS:] [:name = ARABIC DECIMAL SEPARATOR:]
58*cdf0e10cSrcweir             [:name = LEFT SINGLE QUOTATION MARK:] [:name = RIGHT SINGLE QUOTATION MARK:] [:name = SINGLE HIGH-REVERSED-9 QUOTATION MARK:]
59*cdf0e10cSrcweir             [:name = PRIME:]];
60*cdf0e10cSrcweir$Numeric   = [:LineBreak = Numeric:];
61*cdf0e10cSrcweir
62*cdf0e10cSrcweir
63*cdf0e10cSrcweir$TheZWSP = \u200b;
64*cdf0e10cSrcweir
65*cdf0e10cSrcweir#
66*cdf0e10cSrcweir#  Character Class Definitions.
67*cdf0e10cSrcweir#    The names are those from TR29.
68*cdf0e10cSrcweir#
69*cdf0e10cSrcweir$CR         = \u000d;
70*cdf0e10cSrcweir$LF         = \u000a;
71*cdf0e10cSrcweir$Control    = [[[:Zl:] [:Zp:] [:Cc:] [:Cf:]] - $TheZWSP];
72*cdf0e10cSrcweir$Extend     = [[:Grapheme_Extend = TRUE:]];
73*cdf0e10cSrcweir
74*cdf0e10cSrcweir
75*cdf0e10cSrcweir
76*cdf0e10cSrcweir
77*cdf0e10cSrcweir####################################################################################
78*cdf0e10cSrcweir#
79*cdf0e10cSrcweir#  Word Break Rules.    Definitions and Rules specific to word break begin Here.
80*cdf0e10cSrcweir#
81*cdf0e10cSrcweir####################################################################################
82*cdf0e10cSrcweir
83*cdf0e10cSrcweir$Format    = [[:Cf:] - $TheZWSP];
84*cdf0e10cSrcweir
85*cdf0e10cSrcweir
86*cdf0e10cSrcweir
87*cdf0e10cSrcweir# Rule 3:  Treat a grapheme cluster as if it were a single character.
88*cdf0e10cSrcweir#          Hangul Syllables are easier to deal with here than they are in Grapheme Clusters
89*cdf0e10cSrcweir#          because we don't need to find the boundaries between adjacent syllables -
90*cdf0e10cSrcweir#          they won't be word boundaries.
91*cdf0e10cSrcweir#
92*cdf0e10cSrcweir
93*cdf0e10cSrcweir
94*cdf0e10cSrcweir#
95*cdf0e10cSrcweir#  "Extended"  definitions.  Grapheme Cluster + Format Chars, treated like the base char.
96*cdf0e10cSrcweir#
97*cdf0e10cSrcweir$ALetterEx    = $ALetter   $Extend*;
98*cdf0e10cSrcweir$NumericEx    = $Numeric   $Extend*;
99*cdf0e10cSrcweir$MidNumEx     = $MidNum    $Extend*;
100*cdf0e10cSrcweir$MidLetterEx  = $MidLetter $Extend*;
101*cdf0e10cSrcweir$SufixLetterEx= $SufixLetter $Extend*;
102*cdf0e10cSrcweir$KatakanaEx   = $Katakana  $Extend*;
103*cdf0e10cSrcweir$IdeographicEx= $Ideographic  $Extend*;
104*cdf0e10cSrcweir$HangulEx = $Hangul  $Extend*;
105*cdf0e10cSrcweir$FormatEx     = $Format    $Extend*;
106*cdf0e10cSrcweir
107*cdf0e10cSrcweir
108*cdf0e10cSrcweir#
109*cdf0e10cSrcweir#  Numbers.  Rules 8, 11, 12 form the TR.
110*cdf0e10cSrcweir#
111*cdf0e10cSrcweir$NumberSequence = $NumericEx ($FormatEx* $MidNumEx? $FormatEx* $NumericEx)*;
112*cdf0e10cSrcweir$NumberSequence {100};
113*cdf0e10cSrcweir
114*cdf0e10cSrcweir#
115*cdf0e10cSrcweir#  Words.  Alpha-numerics.  Rule 5, 6, 7, 9, 10
116*cdf0e10cSrcweir#     - must include at least one letter.
117*cdf0e10cSrcweir#     - may include both letters and numbers.
118*cdf0e10cSrcweir#     - may include  MideLetter, MidNumber punctuation.
119*cdf0e10cSrcweir#
120*cdf0e10cSrcweir$LetterSequence = $ALetterEx ($FormatEx* $MidLetterEx? $FormatEx* $ALetterEx)*;     # rules #6, #7
121*cdf0e10cSrcweir($NumberSequence $FormatEx*)? $LetterSequence ($FormatEx* ($NumberSequence | $LetterSequence))* $SufixLetterEx? {200};
122*cdf0e10cSrcweir
123*cdf0e10cSrcweir[[:P:][:S:]]*;
124*cdf0e10cSrcweir
125*cdf0e10cSrcweir#
126*cdf0e10cSrcweir#  Do not break between Katakana.   Rule #13.
127*cdf0e10cSrcweir#
128*cdf0e10cSrcweir$KatakanaEx ($FormatEx* $KatakanaEx)* {300};
129*cdf0e10cSrcweir[:Hiragana:] $Extend* {300};
130*cdf0e10cSrcweir
131*cdf0e10cSrcweir#
132*cdf0e10cSrcweir#  Ideographic Characters.  Stand by themselves as words.
133*cdf0e10cSrcweir#                           Separated from the "Everything Else" rule, below, only so that they
134*cdf0e10cSrcweir#                           can be tagged with a return value.   TODO:  is this what we want?
135*cdf0e10cSrcweir#
136*cdf0e10cSrcweir$IdeographicEx ($FormatEx* $IdeographicEx)* {400};
137*cdf0e10cSrcweir$HangulEx ($FormatEx* $HangulEx)* {400};
138*cdf0e10cSrcweir
139*cdf0e10cSrcweir#
140*cdf0e10cSrcweir#  Everything Else, with no tag.
141*cdf0e10cSrcweir#                   Non-Control chars combine with $Extend (combining) chars.
142*cdf0e10cSrcweir#                   Controls are do not.
143*cdf0e10cSrcweir#
144*cdf0e10cSrcweir[^$Control [:Ideographic:]] $Extend*;
145*cdf0e10cSrcweir$CR $LF;
146*cdf0e10cSrcweir
147*cdf0e10cSrcweir#
148*cdf0e10cSrcweir#  Reverse Rules.   Back up over any of the chars that can group together.
149*cdf0e10cSrcweir#                   (Reverse rules do not need to be exact; they can back up  too far,
150*cdf0e10cSrcweir#                   but must back up at least enough, and must stop on a boundary.)
151*cdf0e10cSrcweir#
152*cdf0e10cSrcweir
153*cdf0e10cSrcweir# NonStarters are the set of all characters that can appear at the 2nd - nth position of
154*cdf0e10cSrcweir#    a word.   (They may also be the first.)   The reverse rule skips over these, until it
155*cdf0e10cSrcweir#    reaches something that can only be the start (and probably only) char in a "word".
156*cdf0e10cSrcweir#    A space or punctuation meets the test.
157*cdf0e10cSrcweir#
158*cdf0e10cSrcweir$NonStarters = [$Numeric $ALetter $Katakana $Ideographic $Hangul [:P:] [:S:] $MidLetter $MidNum $SufixLetter $Extend $Format];
159*cdf0e10cSrcweir
160*cdf0e10cSrcweir#!.*;
161*cdf0e10cSrcweir! ($NonStarters* | \n \r) .;
162*cdf0e10cSrcweir
163