| # |
| # Copyright (C) 2002-2004, International Business Machines Corporation |
| # and others. All Rights Reserved. |
| # |
| # file: word.txt |
| # |
| # ICU Word Break Rules |
| # See Unicode Standard Annex #29. |
| # These rules are based on Version 4.0.0, dated 2003-04-17 |
| # |
| |
| ############################################################################## |
| # |
| # Character class definitions from TR 29 |
| # |
| ############################################################################## |
| |
| !!chain; |
| !!LBCMNoChain; |
| |
| $Katakana = [[:Script = KATAKANA:] |
| [:name = KATAKANA-HIRAGANA PROLONGED SOUND MARK:] |
| [:name = HALFWIDTH KATAKANA-HIRAGANA PROLONGED SOUND MARK:] |
| [:name = HALFWIDTH KATAKANA VOICED SOUND MARK:] |
| [:name = HALFWIDTH KATAKANA SEMI-VOICED SOUND MARK:]]; |
| |
| |
| $ALetter = [[:Alphabetic:] [:name= HEBREW PUNCTUATION GERESH:] |
| - [:Ideographic:] |
| - $Katakana |
| - [:Script = Thai:] |
| - [:Script = Lao:] |
| - [:Script = Hiragana:]]; |
| |
| $ABaseLetter = [$ALetter - [:Grapheme_Extend = TRUE:]]; |
| $ACMLetter = [$ALetter & [:Grapheme_Extend = TRUE:]]; |
| |
| $MidLetter = [[:name = APOSTROPHE:] [:name = MIDDLE DOT:] |
| [:name = HEBREW PUNCTUATION GERSHAYIM:] |
| [:name = RIGHT SINGLE QUOTATION MARK:] |
| [:name = HYPHENATION POINT:]]; |
| |
| $MidNumLet = [[:name = FULL STOP:]]; |
| |
| $MidNum = [[:LineBreak = Infix_Numeric:] - $MidNumLet]; |
| $Numeric = [:LineBreak = Numeric:]; |
| |
| # |
| # Character Class Definitions. |
| # The names are those from TR29. |
| # |
| |
| $CR = \u000d; |
| $LF = \u000a; |
| $Extend = [[:Grapheme_Extend = TRUE:]]; |
| $Control = [[:Zl:] [:Zp:] [:Cc:] [:Cf:] - $Extend]; |
| $Format = [[:Cf:] - $Extend]; |
| $Hiragana = [:Hiragana:]; |
| $Ideographic = [:IDEOGRAPHIC:]; |
| |
| ## ------------------------------------------------- |
| |
| !!forward; |
| |
| $CR $LF; |
| |
| # rule 3 and 4 |
| |
| $ALetterEx = $ALetter $Extend*; |
| $ABaseLetterEx = $ABaseLetter $Extend*; |
| $ACMLetterEx = $ACMLetter $Extend*; |
| $NumericEx = $Numeric $Extend*; |
| $MidNumEx = $MidNum $Extend*; |
| $MidNumLetEx = $MidNumLet $Extend*; |
| $MidLetterEx = $MidLetter $Extend*; |
| $KatakanaEx = $Katakana $Extend*; |
| |
| # see character breaks |
| |
| [^$Control] $Extend*; |
| |
| # rule 5 |
| |
| $ALetterEx ($Format* $ALetterEx)* {200}; |
| |
| # rule 6 and 7 |
| |
| $MidALetterEx = ($ABaseLetterEx | $Format $ACMLetterEx); |
| |
| $ALetterSeq = |
| $ALetterEx |
| ( |
| $Format* ($MidLetterEx | $MidNumLetEx) $Format* $MidALetterEx |
| )*; |
| |
| $MidALetterSeq = |
| $MidALetterEx |
| ( |
| $Format* ($MidLetterEx | $MidNumLetEx) $Format* $MidALetterEx |
| )*; |
| |
| # rule 8 |
| |
| $NumericEx ($Format* $NumericEx)* {100}; |
| |
| # rule 9 |
| |
| $ALetterSeq ($Format* ($NumericEx | $MidALetterSeq))* {200}; |
| |
| # rule 10 |
| |
| $NumericEx ($Format* $MidALetterSeq)+ ($Format* $NumericEx)* {200}; |
| |
| # rule 11 and 12 |
| |
| $NumericEx ($Format* ($MidNumEx | $MidNumLetEx) $Format* $NumericEx)+ {100}; |
| |
| # rule 13 |
| |
| $KatakanaEx ($Format* $KatakanaEx)* {300}; |
| $Hiragana $Extend* {300}; |
| $Ideographic $Extend* {400}; |
| |
| ## ------------------------------------------------- |
| |
| !!reverse; |
| |
| $BackALetterEx = $Extend* $ALetter; |
| $BackABaseLetterEx = $Extend* $ABaseLetter; |
| $BackACMLetterEx = $Extend* $ACMLetter; |
| $BackNumericEx = $Extend* $Numeric; |
| $BackMidNumEx = $Extend* $MidNum; |
| $BackMidNumLetEx = $Extend* $MidNumLet; |
| $BackMidLetterEx = $Extend* $MidLetter; |
| $BackKatakanaEx = $Extend* $Katakana; |
| |
| $LF $CR; |
| |
| # see character breaks |
| |
| $Extend* [^$Control]; |
| |
| # rule 5 |
| |
| ($BackALetterEx $Format*)* $BackABaseLetterEx; |
| ($BackALetterEx $Format*)* $BackACMLetterEx / $Control; |
| |
| # rule 6 and 7 |
| |
| $BackMidALetterEx = ($BackABaseLetterEx | $BackACMLetterEx $Format); |
| |
| $BackALetterSeq = |
| ( |
| $BackMidALetterEx $Format* ($BackMidLetterEx | $BackMidNumLetEx) $Format* |
| )* |
| $BackABaseLetterEx; |
| |
| $BackMidALetterSeq = |
| ( |
| $BackMidALetterEx $Format* ($BackMidLetterEx | $BackMidNumLetEx) $Format* |
| )* |
| $BackMidALetterEx; |
| |
| # rule 8 |
| |
| $BackNumericEx $Format* $BackNumericEx; |
| |
| # rule 10 |
| |
| (($BackNumericEx | $BackMidALetterSeq) $Format*)* $BackALetterSeq; |
| |
| # to handle letter sequences ending with a combining mark |
| (($BackNumericEx | $BackMidALetterSeq) $Format*)* |
| ( |
| $BackMidALetterEx $Format* ($BackMidLetterEx | $BackMidNumLetEx) $Format* |
| )* |
| $BackACMLetterEx / $Control; |
| |
| # rule 10 |
| |
| ($BackNumericEx $Format*)* ($BackMidALetterSeq $Format*)* $BackNumericEx; |
| |
| # rule 11 and 12 |
| |
| $BackNumericEx $Format* ($BackMidNumEx | $BackMidNumLetEx) $Format* $BackNumericEx; |
| |
| # rule 13 |
| |
| $BackKatakanaEx $Format* $BackKatakanaEx; |
| |
| ## ------------------------------------------------- |
| |
| !!safe_reverse; |
| |
| # rule 3 |
| $Extend+ [^$Extend]; |
| $Extend+; # comes into play when buffer _begins_ with an $Extend+. |
| |
| # rule 4 |
| $Format+ $BackABaseLetterEx; |
| $Format+ $BackACMLetterEx / $Control; |
| $Format+ $BackNumericEx; |
| $Format+ $BackMidLetterEx; |
| $Format+ $BackMidNumLetEx; |
| $Format+ $BackMidNumEx; |
| $Format+ $BackKatakanaEx; |
| |
| |
| # rule 6 |
| ($MidLetter | $MidNumLet) $Format* $BackABaseLetterEx; |
| ($MidLetter | $MidNumLet) $Format* $BackACMLetterEx / $Control; |
| |
| # rule 11 |
| ($MidNum | $MidNumLet) $Format* $BackNumericEx; |
| |
| ## ------------------------------------------------- |
| |
| !!safe_forward; |
| |
| # rule 3 |
| $Extend+; |
| |
| # rule 4 |
| $Extend* $Format+ $ALetterEx; |
| $Extend* $Format+ $NumericEx; |
| $Extend* $Format+ $MidLetterEx; |
| $Extend* $Format+ $MidNumLetEx; |
| $Extend* $Format+ $MidNumEx; |
| $Extend* $Format+ $KatakanaEx; |
| |
| $Extend+ $Format* $ALetterEx; |
| $Extend+ $Format* $NumericEx; |
| $Extend+ $Format* $MidLetterEx; |
| $Extend+ $Format* $MidNumLetEx; |
| $Extend+ $Format* $MidNumEx; |
| $Extend+ $Format* $KatakanaEx; |
| |
| # rule 6 |
| ($MidLetterEx | $MidNumLetEx) $Format* $ALetterEx; |
| |
| # rule 11 |
| ($MidNumEx | $MidNumLetEx) $Format* $NumericEx; |