| # |
| # Copyright (C) 2002-2003, International Business Machines Corporation and others. |
| # All Rights Reserved. |
| # |
| # file: char.txt |
| # |
| # ICU Character Break Rules, also known as Grapheme Cluster Boundaries |
| # See Unicode Standard Annex #29. |
| # These rules are based on TR29 Version 4.0.0 |
| # |
| |
| # |
| # Character Class Definitions. |
| # The names are those from TR29. |
| # |
| $CR = \r; |
| $LF = \n; |
| $Control = [[:Zl:] [:Zp:] [:Cc:] [:Cf:]]; |
| |
| $Extend = [[:Grapheme_Extend = TRUE:]]; |
| |
| # |
| # Korean Syllable Definitions |
| # |
| $L = [:Hangul_Syllable_Type = L:]; |
| $V = [:Hangul_Syllable_Type = V:]; |
| $T = [:Hangul_Syllable_Type = T:]; |
| |
| $LV = [:Hangul_Syllable_Type = LV:]; |
| $LVT = [:Hangul_Syllable_Type = LVT:]; |
| |
| $HangulSyllable = $L+ | ($L* ($LV? $V+ | $LV | $LVT) $T*) | $T+; |
| |
| # |
| # Forward Break Rules |
| # |
| $CR $LF; |
| ([^$Control] | $HangulSyllable) $Extend*; |
| .; |
| |
| |
| # |
| # Reverse Rule, back up to the beginning of some preceding grapheme cluster. |
| # |
| ! ($Extend | $V | $T )* ($LF $CR | ($LV | $LVT)?$L* | .); |
