icuSources/data/brkitr/title.txt

   1 # Copyright (c) 2002-2014, International Business Machines Corporation and
   2 # others. All Rights Reserved.
   3 #
   4 #  Title Casing Break Rules
   5 #
   6
   7
   8 $CaseIgnorable   = [[:Mn:][:Me:][:Cf:][:Lm:][:Sk:] \u0027 \u00AD \u2019];
   9 $Cased           = [[:Upper_Case:][:Lower_Case:][:Lt:]  - $CaseIgnorable];
  10 $NotCased        = [[^ $Cased] - $CaseIgnorable];
  11
  12 !!forward;
  13
  14 #  If the iterator begins on a CaseIgnorable, advance it past it/them.
  15 #  This can occur at the start-of-text, or after application of the
  16 #  safe-reverse rule.
  17
  18 ($CaseIgnorable | $NotCased)*;
  19
  20 #   Normal exact forward rule: beginning at the start of a word
  21 #         (at a cased character), advance through the word and through
  22 #         the uncased characters following the word.
  23
  24 $Cased ($Cased | $CaseIgnorable)* ($NotCased | $CaseIgnorable)*;
  25
  26
  27 #  Reverse Rules
  28 !!reverse;
  29
  30 #  Normal Rule, will work nearly universally, so long as there is a
  31 #    start-of-word preceding the current iteration position.
  32
  33 ($NotCased | $CaseIgnorable)* ($Cased | $CaseIgnorable)* $Cased;
  34
  35 #  Short rule, will be effective only when moving to the start of text,
  36 #    with no word (cased character) preceding the current iteration position.
  37
  38 ($NotCased | $CaseIgnorable)*;
  39
  40 !!safe_reverse;
  41
  42 # Safe Reverse: the exact forward rule must not start in the middle
  43 #  of a word, so the safe reverse skips over any Cased characters,
  44 #  leaving it just before the start of a word.
  45
  46 ($Cased | $CaseIgnorable)*;
  47
  48 !!safe_forward;
  49
  50 # Safe Forward, nothing needs to be done, the exact Reverse rules will
  51 #   always find valid boundaries from any starting position.
  52 #   Still, some rule is needed, so '.', a one character movement.
  53 .;