}
// Create a RuleBasedBreakIterator
- result = new RuleBasedBreakIterator(file, uprv_strcmp(type, "line_phrase") == 0, status);
+ result = new RuleBasedBreakIterator(file, uprv_strstr(type, "phrase") != NULL, status);
// If there is a result, set the valid locale and actual locale, and the kind
if (U_SUCCESS(status) && result != NULL) {
if (U_FAILURE(status)) {
return NULL;
}
- char lbType[kKeyValueLenMax];
BreakIterator *result = NULL;
switch (kind) {
break;
case UBRK_LINE:
{
+ char lb_lw[kKeyValueLenMax];
UTRACE_ENTRY(UTRACE_UBRK_CREATE_LINE);
- uprv_strcpy(lbType, "line");
+ uprv_strcpy(lb_lw, "line");
UErrorCode kvStatus = U_ZERO_ERROR;
CharString value;
CharStringByteSink valueSink(&value);
loc.getKeywordValue("lb", valueSink, kvStatus);
if (U_SUCCESS(kvStatus) && (value == "strict" || value == "normal" || value == "loose")) {
- uprv_strcat(lbType, "_");
- uprv_strcat(lbType, value.data());
- } else {
+ uprv_strcat(lb_lw, "_");
+ uprv_strcat(lb_lw, value.data());
+ }
+ // lw=phrase is only supported in Japanese.
+ if (uprv_strcmp(loc.getLanguage(), "ja") == 0) {
value.clear();
loc.getKeywordValue("lw", valueSink, kvStatus);
if (U_SUCCESS(kvStatus) && value == "phrase") {
- uprv_strcat(lbType, "_");
- uprv_strcat(lbType, value.data());
+ uprv_strcat(lb_lw, "_");
+ uprv_strcat(lb_lw, value.data());
}
}
- result = BreakIterator::buildInstance(loc, lbType, status);
+ result = BreakIterator::buildInstance(loc, lb_lw, status);
- UTRACE_DATA1(UTRACE_INFO, "lb=%s", value.data());
+ UTRACE_DATA1(UTRACE_INFO, "lb_lw=%s", lb_lw);
UTRACE_EXIT_STATUS(status);
}
break;
line_loose:process(dependency){"line_loose_cj.brk"}
line_normal:process(dependency){"line_normal_cj.brk"}
line_strict:process(dependency){"line_cj.brk"}
+ line_loose_phrase:process(dependency){"line_loose_phrase_cj.brk"}
+ line_normal_phrase:process(dependency){"line_normal_phrase_cj.brk"}
+ line_strict_phrase:process(dependency){"line_phrase_cj.brk"}
line_phrase:process(dependency){"line_phrase_cj.brk"}
}
particles{
--- /dev/null
+# Copyright (C) 2022 and later: Unicode, Inc. and others.
+# License & terms of use: http://www.unicode.org/copyright.html
+#
+# file: line_loose_phrase_cj.txt
+#
+# Line Breaking Rules
+# Implement default line breaking as defined by
+# Unicode Standard Annex #14 (https://www.unicode.org/reports/tr14/)
+# for Unicode 14.0, with the following modification:
+#
+# Boundaries between hyphens and following letters are suppressed when
+# there is a boundary preceding the hyphen. See rule 20.9
+#
+# This tailors the line break behavior to correspond to CSS
+# line-break=loose (BCP47 -u-lb-loose) as defined for Chinese & Japanese.
+# It sets characters of class CJ to behave like ID.
+# In addition, it allows breaks:
+# * before hyphens 2010 & 2013 (both BA) and 301C, 30A0 (both NS)
+# * before iteration marks 3005, 303B, 309D, 309E, 30FD, 30FE (all NS)
+# * between characters of LineBreak class IN such as 2026
+# * before some centered punct 203C, 2047, 2048, 2049, 30FB, FF1A, FF1B,
+# FF65 (all NS) and FF01, FF1F (both EX).
+# * before suffix characters with LineBreak class PO and EastAsianWidth A,F,W;
+# this includes: 00B0 2030 2032 2033 2035 2103 2109 FE6A FF05 FFE0
+# * after prefix characters with LineBreak class PR and EastAsianWidth A,F,W;
+# this includes: 00A4 00B1 20AC 2116 FE69 FF04 FFE1 FFE5 FFE6
+# It allows breaking before 201C and after 201D, for zh_Hans, zh_Hant, and ja.
+#
+# The content is the same as line_loose_cj.txt except the following
+# 1. Add CJK into dictionary.
+# 2. Add East Asian Width with class F, W and H into $ALPlus.
+
+
+#
+# Character Classes defined by TR 14.
+#
+
+!!chain;
+!!quoted_literals_only;
+
+$AI = [:LineBreak = Ambiguous:];
+$AL = [:LineBreak = Alphabetic:];
+$BAX = [\u2010 \u2013];
+$BA = [[:LineBreak = Break_After:] - $BAX];
+$HH = [\u2010]; # \u2010 is HYPHEN, default line break is BA.
+$BB = [:LineBreak = Break_Before:];
+$BK = [:LineBreak = Mandatory_Break:];
+$B2 = [:LineBreak = Break_Both:];
+$CB = [:LineBreak = Contingent_Break:];
+$CJ = [:LineBreak = Conditional_Japanese_Starter:];
+$CL = [[:LineBreak = Close_Punctuation:] \u201d];
+# $CM = [:LineBreak = Combining_Mark:];
+$CP = [:LineBreak = Close_Parenthesis:];
+$CR = [:LineBreak = Carriage_Return:];
+$EB = [:LineBreak = EB:];
+$EM = [:LineBreak = EM:];
+$EXX = [\uFF01 \uFF1F];
+$EX = [[:LineBreak = Exclamation:] - $EXX];
+$GL = [:LineBreak = Glue:];
+$HL = [:LineBreak = Hebrew_Letter:];
+$HY = [:LineBreak = Hyphen:];
+$H2 = [:LineBreak = H2:];
+$H3 = [:LineBreak = H3:];
+# CSS Loose tailoring: CJ resolves to ID
+$ID = [[:LineBreak = Ideographic:] $CJ];
+$IN = [:LineBreak = Inseperable:];
+$IS = [:LineBreak = Infix_Numeric:];
+$JL = [:LineBreak = JL:];
+$JV = [:LineBreak = JV:];
+$JT = [:LineBreak = JT:];
+$LF = [:LineBreak = Line_Feed:];
+$NL = [:LineBreak = Next_Line:];
+$NSX = [\u301C \u30A0 \u3005 \u303B \u309D \u309E \u30FD \u30FE \u203C \u2047 \u2048 \u2049 \u30FB \uFF1A \uFF1B \uFF65];
+$NS = [[:LineBreak = Nonstarter:] - $NSX];
+$NU = [:LineBreak = Numeric:];
+$OP = [[:LineBreak = Open_Punctuation:] \u201c];
+$POX = [\u00B0 \u2030 \u2032 \u2033 \u2035 \u2103 \u2109 \uFE6A \uFF05 \uFFE0];
+$PO = [[:LineBreak = Postfix_Numeric:] - $POX];
+$PRX = [\u00A4 \u00B1 \u20AC \u2116 \uFE69 \uFF04 \uFFE1 \uFFE5 \uFFE6];
+$PR = [[:LineBreak = Prefix_Numeric:] - $PRX];
+$QU = [[:LineBreak = Quotation:] - [\u201c\u201d]];
+$RI = [:LineBreak = Regional_Indicator:];
+$SA = [:LineBreak = Complex_Context:];
+$SG = [:LineBreak = Surrogate:];
+$SP = [:LineBreak = Space:];
+$SY = [:LineBreak = Break_Symbols:];
+$WJ = [:LineBreak = Word_Joiner:];
+$XX = [:LineBreak = Unknown:];
+$ZW = [:LineBreak = ZWSpace:];
+$ZWJ = [:LineBreak = ZWJ:];
+
+# OP30 and CP30 are variants of OP and CP that appear in-line in rule LB30 from UAX 14,
+# without a formal name. Because ICU rules require multiple uses of the expressions,
+# give them a single definition with a name
+
+$EAFWH = [\p{ea=F}\p{ea=W}\p{ea=H}];
+$OP30 = [$OP - $EAFWH];
+$CP30 = [$CP - $EAFWH];
+
+$ExtPictUnassigned = [\p{Extended_Pictographic} & \p{Cn}];
+
+# By LB9, a ZWJ also behaves as a CM. Including it in the definition of CM avoids having to explicitly
+# list it in the numerous rules that use CM.
+# By LB1, SA characters with general categor of Mn or Mc also resolve to CM.
+
+$CM = [[:LineBreak = Combining_Mark:] $ZWJ [$SA & [[:Mn:][:Mc:]]]];
+$CMX = [[$CM] - [$ZWJ]];
+
+# Dictionary character set, for triggering language-based break engines. Currently
+# limited to LineBreak=Complex_Context (SA) and $dictionaryCJK.
+
+# Add CJK dictionary
+$Han = [:Han:];
+$Katakana = [:Katakana:];
+$Hiragana = [:Hiragana:];
+$HangulSyllable = [\uac00-\ud7a3];
+$ComplexContext = [:LineBreak = Complex_Context:];
+$KanaKanji = [$Han $Hiragana $Katakana];
+$dictionaryCJK = [$KanaKanji $HangulSyllable];
+$dictionary = [$ComplexContext $dictionaryCJK];
+
+
+#
+# Rule LB1. By default, treat AI (characters with ambiguous east Asian width),
+# SA (Dictionary chars, excluding Mn and Mc)
+# SG (Unpaired Surrogates)
+# XX (Unknown, unassigned)
+# as $AL (Alphabetic)
+#
+$ALPlus = [$AL $AI $SG $XX $EAFWH [$dictionary-[[:Mn:][:Mc:]]]];
+
+
+## -------------------------------------------------
+
+#
+# CAN_CM is the set of characters that may combine with CM combining chars.
+# Note that Linebreak UAX 14's concept of a combining char and the rules
+# for what they can combine with are _very_ different from the rest of Unicode.
+#
+# Note that $CM itself is left out of this set. If CM is needed as a base
+# it must be listed separately in the rule.
+#
+$CAN_CM = [^$SP $BK $CR $LF $NL $ZW $CM]; # Bases that can take CMs
+$CANT_CM = [ $SP $BK $CR $LF $NL $ZW $CM]; # Bases that can't take CMs
+
+#
+# AL_FOLLOW set of chars that can unconditionally follow an AL
+# Needed in rules where stand-alone $CM s are treated as AL.
+#
+$AL_FOLLOW = [$BK $CR $LF $NL $ZW $SP $CL $CP $EX $HL $IS $SY $WJ $GL $OP30 $QU $BA $HY $NS $IN $NU $PR $PO $POX $ALPlus];
+
+
+#
+# Rule LB 4, 5 Mandatory (Hard) breaks.
+#
+$LB4Breaks = [$BK $CR $LF $NL];
+$LB4NonBreaks = [^$BK $CR $LF $NL $CM];
+$CR $LF {100};
+
+#
+# LB 6 Do not break before hard line breaks.
+#
+$LB4NonBreaks? $LB4Breaks {100}; # LB 5 do not break before hard breaks.
+$CAN_CM $CM* $LB4Breaks {100};
+^$CM+ $LB4Breaks {100};
+
+# LB 7 x SP
+# x ZW
+$LB4NonBreaks [$SP $ZW];
+$CAN_CM $CM* [$SP $ZW];
+^$CM+ [$SP $ZW];
+
+#
+# LB 8 Break after zero width space
+# ZW SP* ÷
+#
+$LB8Breaks = [$LB4Breaks $ZW];
+$LB8NonBreaks = [[$LB4NonBreaks] - [$ZW]];
+$ZW $SP* / [^$SP $ZW $LB4Breaks];
+
+# LB 8a ZWJ x Do not break Emoji ZWJ sequences.
+#
+$ZWJ [^$CM];
+
+# LB 9 Combining marks. X $CM needs to behave like X, where X is not $SP, $BK $CR $LF $NL
+# $CM not covered by the above needs to behave like $AL
+# See definition of $CAN_CM.
+
+$CAN_CM $CM+; # Stick together any combining sequences that don't match other rules.
+^$CM+;
+
+#
+# LB 11 Do not break before or after WORD JOINER & related characters.
+#
+$CAN_CM $CM* $WJ;
+$LB8NonBreaks $WJ;
+^$CM+ $WJ;
+
+$WJ $CM* .;
+
+#
+# LB 12 Do not break after NBSP and related characters.
+# GL x
+#
+$GL $CM* .;
+
+#
+# LB 12a Do not break before NBSP and related characters ...
+# [^SP BA HY] x GL
+#
+[[$LB8NonBreaks] - [$SP $BA $BAX $HY]] $CM* $GL;
+^$CM+ $GL;
+
+
+
+# LB 13 Don't break before ']' or '!' or '/', even after spaces.
+#
+# Do not include $EXX here
+$LB8NonBreaks $CL;
+$CAN_CM $CM* $CL;
+^$CM+ $CL; # by rule 10, stand-alone CM behaves as AL
+
+$LB8NonBreaks $CP;
+$CAN_CM $CM* $CP;
+^$CM+ $CP; # by rule 10, stand-alone CM behaves as AL
+
+$LB8NonBreaks $EX;
+$CAN_CM $CM* $EX;
+^$CM+ $EX; # by rule 10, stand-alone CM behaves as AL
+
+$LB8NonBreaks $SY;
+$CAN_CM $CM* $SY;
+^$CM+ $SY; # by rule 10, stand-alone CM behaves as AL
+
+
+#
+# LB 14 Do not break after OP, even after spaces
+# Note subtle interaction with "SP IS /" rules in LB14a.
+# This rule consumes the SP, chaining happens on the IS, effectivley overriding the SP IS rules,
+# which is the desired behavior.
+#
+$OP $CM* $SP* .;
+
+$OP $CM* $SP+ $CM+ $AL_FOLLOW?; # by rule 10, stand-alone CM behaves as AL
+ # by rule 8, CM following a SP is stand-alone.
+
+
+# LB 14a Force a break before start of a number with a leading decimal pt, e.g. " .23"
+# Note: would be simpler to express as "$SP / $IS $CM* $NU;", but ICU rules have limitations.
+# See issue ICU-20303
+
+
+$CanFollowIS = [$BK $CR $LF $NL $SP $ZW $WJ $GL $CL $CP $EX $IS $SY $QU $BA $HY $NS $ALPlus $HL $IN];
+$SP $IS / [^ $CanFollowIS $NU $CM];
+$SP $IS $CM* $CMX / [^ $CanFollowIS $NU $CM];
+
+#
+# LB 14b Do not break before numeric separators (IS), even after spaces.
+
+[$LB8NonBreaks - $SP] $IS;
+$SP $IS $CM* [$CanFollowIS {eof}];
+$SP $IS $CM* $ZWJ [^$CM $NU];
+
+$CAN_CM $CM* $IS;
+^$CM+ $IS; # by rule 10, stand-alone CM behaves as AL
+
+
+# LB 15
+$QU $CM* $SP* $OP;
+
+# LB 16
+# Do not break between closing punctuation and $NS, even with intervening spaces
+# But DO allow a break between closing punctuation and $NSX, don't include it here
+($CL | $CP) $CM* $SP* $NS;
+
+# LB 17
+$B2 $CM* $SP* $B2;
+
+#
+# LB 18 Break after spaces.
+#
+$LB18NonBreaks = [$LB8NonBreaks - [$SP]];
+$LB18Breaks = [$LB8Breaks $SP];
+
+
+# LB 19
+# x QU
+$LB18NonBreaks $CM* $QU;
+^$CM+ $QU;
+
+# QU x
+$QU $CM* .;
+
+# LB 20
+# <break> $CB
+# $CB <break>
+#
+$LB20NonBreaks = [$LB18NonBreaks - $CB];
+
+# LB 20.09 Don't break between Hyphens and Letters when there is a break preceding the hyphen.
+# Originally added as a Finnish tailoring, now promoted to default ICU behavior.
+# Note: this is not default UAX-14 behaviour. See issue ICU-8151.
+#
+^($HY | $HH) $CM* $ALPlus;
+
+# LB 21 x (BA | HY | NS)
+# BB x
+#
+# DO allow breaks here before $BAX and $NSX, so don't include them
+$LB20NonBreaks $CM* ($BA | $HY | $NS);
+
+
+^$CM+ ($BA | $HY | $NS);
+
+$BB $CM* [^$CB]; # $BB x
+$BB $CM* $LB20NonBreaks;
+
+# LB 21a Don't break after Hebrew + Hyphen
+# HL (HY | BA) x
+#
+$HL $CM* ($HY | $BA | $BAX) $CM* [^$CB]?;
+
+# LB 21b (forward) Don't break between SY and HL
+# (break between HL and SY already disallowed by LB 13 above)
+$SY $CM* $HL;
+
+
+# LB 22 Do not break before ellipses
+#
+[$LB20NonBreaks - $IN] $CM* $IN; # line_loose tailoring
+^$CM+ $IN;
+
+
+# LB 23
+#
+($ALPlus | $HL) $CM* $NU;
+^$CM+ $NU; # Rule 10, any otherwise unattached CM behaves as AL
+$NU $CM* ($ALPlus | $HL);
+
+# LB 23a
+# Do not include $POX here
+#
+$PR $CM* ($ID | $EB | $EM);
+($ID | $EB | $EM) $CM* $PO;
+
+
+#
+# LB 24
+#
+# Do not include $PRX here
+($PR | $PO | $POX) $CM* ($ALPlus | $HL);
+($ALPlus | $HL) $CM* ($PR | $PO | $POX); # TODO: should this be ($PR | $PRX | $PO)
+^$CM+ ($PR | $PO | $POX); # Rule 10, any otherwise unattached CM behaves as AL
+
+#
+# LB 25 Numbers.
+#
+# Here do not include $PRX at the beginning or $POX at the end
+(($PR | $PO | $POX) $CM*)? (($OP | $HY) $CM*)? ($IS $CM*)? $NU ($CM* ($NU | $SY | $IS))*
+ ($CM* ($CL | $CP))? ($CM* ($PR | $PRX | $PO))?;
+
+# LB 26 Do not break a Korean syllable
+#
+$JL $CM* ($JL | $JV | $H2 | $H3);
+($JV | $H2) $CM* ($JV | $JT);
+($JT | $H3) $CM* $JT;
+
+# LB 27 Treat korean Syllable Block the same as ID (don't break it)
+# Do not include $POX or $PRX here
+($JL | $JV | $JT | $H2 | $H3) $CM* $PO;
+$PR $CM* ($JL | $JV | $JT | $H2 | $H3);
+
+
+# LB 28 Do not break between alphabetics
+#
+($ALPlus | $HL) $CM* ($ALPlus | $HL);
+^$CM+ ($ALPlus | $HL); # The $CM+ is from rule 10, an unattached CM is treated as AL
+
+# LB 29
+$IS $CM* ($ALPlus | $HL);
+
+# LB 30
+($ALPlus | $HL | $NU) $CM* $OP30;
+^$CM+ $OP30; # The $CM+ is from rule 10, an unattached CM is treated as AL.
+$CP30 $CM* ($ALPlus | $HL | $NU);
+
+# LB 30a Do not break between regional indicators. Break after pairs of them.
+# Tricky interaction with LB8a: ZWJ x . together with ZWJ acting like a CM.
+$RI $CM* $RI / [[^$BK $CR $LF $NL $SP $ZW $WJ $CL $CP $EX $IS $SY $GL $QU $BA $HY $NS $IN $CM]];
+$RI $CM* $RI $CM* [$CM-$ZWJ] / [[^$BK $CR $LF $NL $SP $ZW $WJ $CL $CP $EX $IS $SY $GL $QU $BA $HY $NS $IN $CM]];
+$RI $CM* $RI $CM* [$BK $CR $LF $NL $SP $ZW $WJ $CL $CP $EX $IS $SY $GL $QU $BA $HY $NS $IN $ZWJ {eof}];
+# note: the preceding rule includes {eof} rather than having the last [set] term qualified with '?'
+# because of the chain-out behavior difference. The rule must chain out only from the [set characters],
+# not from the preceding $RI or $CM, which it would be able to do if the set were optional.
+
+# LB30b Do not break between an emoji base (or potential emoji) and an emoji modifier.
+$EB $CM* $EM;
+$ExtPictUnassigned $CM* $EM;
+
+# LB 31 Break everywhere else.
+# Match a single code point if no other rule applies.
+.;
--- /dev/null
+# Copyright (C) 2022 and later: Unicode, Inc. and others.
+# License & terms of use: http://www.unicode.org/copyright.html
+#
+# file: line_normal_phrase_cj.txt
+#
+# Line Breaking Rules
+# Implement default line breaking as defined by
+# Unicode Standard Annex #14 (https://www.unicode.org/reports/tr14/)
+# for Unicode 14.0, with the following modification:
+#
+# Boundaries between hyphens and following letters are suppressed when
+# there is a boundary preceding the hyphen. See rule 20.9
+#
+# This tailors the line break behavior to correspond to CSS
+# line-break=normal (BCP47 -u-lb-normal) as defined for Chinese & Japanese.
+# It sets characters of class CJ to behave like ID.
+# In addition, it allows breaks:
+# * before hyphens 2010 & 2013 (both BA) and 301C, 30A0 (both NS)
+# It allows breaking before 201C and after 201D, for zh_Hans, zh_Hant, and ja.
+#
+# The content is the same as line_normal_cj.txt except the following
+# 1. Add CJK into dictionary.
+# 2. Add East Asian Width with class F, W and H into $ALPlus.
+
+#
+# Character Classes defined by TR 14.
+#
+
+!!chain;
+!!quoted_literals_only;
+
+$AI = [:LineBreak = Ambiguous:];
+$AL = [:LineBreak = Alphabetic:];
+$BAX = [\u2010 \u2013];
+$BA = [[:LineBreak = Break_After:] - $BAX];
+$HH = [\u2010]; # \u2010 is HYPHEN, default line break is BA.
+$BB = [:LineBreak = Break_Before:];
+$BK = [:LineBreak = Mandatory_Break:];
+$B2 = [:LineBreak = Break_Both:];
+$CB = [:LineBreak = Contingent_Break:];
+$CJ = [:LineBreak = Conditional_Japanese_Starter:];
+$CL = [[:LineBreak = Close_Punctuation:] \u201d];
+# $CM = [:LineBreak = Combining_Mark:];
+$CP = [:LineBreak = Close_Parenthesis:];
+$CR = [:LineBreak = Carriage_Return:];
+$EB = [:LineBreak = EB:];
+$EM = [:LineBreak = EM:];
+$EX = [:LineBreak = Exclamation:];
+$GL = [:LineBreak = Glue:];
+$HL = [:LineBreak = Hebrew_Letter:];
+$HY = [:LineBreak = Hyphen:];
+$H2 = [:LineBreak = H2:];
+$H3 = [:LineBreak = H3:];
+# CSS Normal tailoring: CJ resolves to ID
+$ID = [[:LineBreak = Ideographic:] $CJ];
+$IN = [:LineBreak = Inseperable:];
+$IS = [:LineBreak = Infix_Numeric:];
+$JL = [:LineBreak = JL:];
+$JV = [:LineBreak = JV:];
+$JT = [:LineBreak = JT:];
+$LF = [:LineBreak = Line_Feed:];
+$NL = [:LineBreak = Next_Line:];
+$NSX = [\u301C \u30A0];
+$NS = [[:LineBreak = Nonstarter:] - $NSX];
+$NU = [:LineBreak = Numeric:];
+$OP = [[:LineBreak = Open_Punctuation:] \u201c];
+$PO = [:LineBreak = Postfix_Numeric:];
+$PR = [:LineBreak = Prefix_Numeric:];
+$QU = [[:LineBreak = Quotation:] - [\u201c\u201d]];
+$RI = [:LineBreak = Regional_Indicator:];
+$SA = [:LineBreak = Complex_Context:];
+$SG = [:LineBreak = Surrogate:];
+$SP = [:LineBreak = Space:];
+$SY = [:LineBreak = Break_Symbols:];
+$WJ = [:LineBreak = Word_Joiner:];
+$XX = [:LineBreak = Unknown:];
+$ZW = [:LineBreak = ZWSpace:];
+$ZWJ = [:LineBreak = ZWJ:];
+
+# OP30 and CP30 are variants of OP and CP that appear in-line in rule LB30 from UAX 14,
+# without a formal name. Because ICU rules require multiple uses of the expressions,
+# give them a single definition with a name
+
+$EAFWH = [\p{ea=F}\p{ea=W}\p{ea=H}];
+$OP30 = [$OP - $EAFWH];
+$CP30 = [$CP - $EAFWH];
+
+$ExtPictUnassigned = [\p{Extended_Pictographic} & \p{Cn}];
+
+# By LB9, a ZWJ also behaves as a CM. Including it in the definition of CM avoids having to explicitly
+# list it in the numerous rules that use CM.
+# By LB1, SA characters with general categor of Mn or Mc also resolve to CM.
+
+$CM = [[:LineBreak = Combining_Mark:] $ZWJ [$SA & [[:Mn:][:Mc:]]]];
+$CMX = [[$CM] - [$ZWJ]];
+
+# Dictionary character set, for triggering language-based break engines. Currently
+# limited to LineBreak=Complex_Context (SA) and $dictionaryCJK.
+
+# Add CJK dictionary
+$Han = [:Han:];
+$Katakana = [:Katakana:];
+$Hiragana = [:Hiragana:];
+$HangulSyllable = [\uac00-\ud7a3];
+$ComplexContext = [:LineBreak = Complex_Context:];
+$KanaKanji = [$Han $Hiragana $Katakana];
+$dictionaryCJK = [$KanaKanji $HangulSyllable];
+$dictionary = [$ComplexContext $dictionaryCJK];
+
+
+#
+# Rule LB1. By default, treat AI (characters with ambiguous east Asian width),
+# SA (Dictionary chars, excluding Mn and Mc)
+# SG (Unpaired Surrogates)
+# XX (Unknown, unassigned)
+# as $AL (Alphabetic)
+#
+$ALPlus = [$AL $AI $SG $XX $EAFWH [$dictionary-[[:Mn:][:Mc:]]]];
+
+
+## -------------------------------------------------
+
+#
+# CAN_CM is the set of characters that may combine with CM combining chars.
+# Note that Linebreak UAX 14's concept of a combining char and the rules
+# for what they can combine with are _very_ different from the rest of Unicode.
+#
+# Note that $CM itself is left out of this set. If CM is needed as a base
+# it must be listed separately in the rule.
+#
+$CAN_CM = [^$SP $BK $CR $LF $NL $ZW $CM]; # Bases that can take CMs
+$CANT_CM = [ $SP $BK $CR $LF $NL $ZW $CM]; # Bases that can't take CMs
+
+#
+# AL_FOLLOW set of chars that can unconditionally follow an AL
+# Needed in rules where stand-alone $CM s are treated as AL.
+#
+$AL_FOLLOW = [$BK $CR $LF $NL $ZW $SP $CL $CP $EX $HL $IS $SY $WJ $GL $OP30 $QU $BA $HY $NS $IN $NU $PR $PO $ALPlus];
+
+
+#
+# Rule LB 4, 5 Mandatory (Hard) breaks.
+#
+$LB4Breaks = [$BK $CR $LF $NL];
+$LB4NonBreaks = [^$BK $CR $LF $NL $CM];
+$CR $LF {100};
+
+#
+# LB 6 Do not break before hard line breaks.
+#
+$LB4NonBreaks? $LB4Breaks {100}; # LB 5 do not break before hard breaks.
+$CAN_CM $CM* $LB4Breaks {100};
+^$CM+ $LB4Breaks {100};
+
+# LB 7 x SP
+# x ZW
+$LB4NonBreaks [$SP $ZW];
+$CAN_CM $CM* [$SP $ZW];
+^$CM+ [$SP $ZW];
+
+#
+# LB 8 Break after zero width space
+# ZW SP* ÷
+#
+$LB8Breaks = [$LB4Breaks $ZW];
+$LB8NonBreaks = [[$LB4NonBreaks] - [$ZW]];
+$ZW $SP* / [^$SP $ZW $LB4Breaks];
+
+# LB 8a ZWJ x Do not break Emoji ZWJ sequences.
+#
+$ZWJ [^$CM];
+
+# LB 9 Combining marks. X $CM needs to behave like X, where X is not $SP, $BK $CR $LF $NL
+# $CM not covered by the above needs to behave like $AL
+# See definition of $CAN_CM.
+
+$CAN_CM $CM+; # Stick together any combining sequences that don't match other rules.
+^$CM+;
+
+#
+# LB 11 Do not break before or after WORD JOINER & related characters.
+#
+$CAN_CM $CM* $WJ;
+$LB8NonBreaks $WJ;
+^$CM+ $WJ;
+
+$WJ $CM* .;
+
+#
+# LB 12 Do not break after NBSP and related characters.
+# GL x
+#
+$GL $CM* .;
+
+#
+# LB 12a Do not break before NBSP and related characters ...
+# [^SP BA HY] x GL
+#
+[[$LB8NonBreaks] - [$SP $BA $BAX $HY]] $CM* $GL;
+^$CM+ $GL;
+
+
+
+
+# LB 13 Don't break before ']' or '!' or '/', even after spaces.
+#
+$LB8NonBreaks $CL;
+$CAN_CM $CM* $CL;
+^$CM+ $CL; # by rule 10, stand-alone CM behaves as AL
+
+$LB8NonBreaks $CP;
+$CAN_CM $CM* $CP;
+^$CM+ $CP; # by rule 10, stand-alone CM behaves as AL
+
+$LB8NonBreaks $EX;
+$CAN_CM $CM* $EX;
+^$CM+ $EX; # by rule 10, stand-alone CM behaves as AL
+
+$LB8NonBreaks $SY;
+$CAN_CM $CM* $SY;
+^$CM+ $SY; # by rule 10, stand-alone CM behaves as AL
+
+
+#
+# LB 14 Do not break after OP, even after spaces
+# Note subtle interaction with "SP IS /" rules in LB14a.
+# This rule consumes the SP, chaining happens on the IS, effectivley overriding the SP IS rules,
+# which is the desired behavior.
+#
+$OP $CM* $SP* .;
+
+$OP $CM* $SP+ $CM+ $AL_FOLLOW?; # by rule 10, stand-alone CM behaves as AL
+ # by rule 8, CM following a SP is stand-alone.
+
+
+# LB 14a Force a break before start of a number with a leading decimal pt, e.g. " .23"
+# Note: would be simpler to express as "$SP / $IS $CM* $NU;", but ICU rules have limitations.
+# See issue ICU-20303
+
+
+$CanFollowIS = [$BK $CR $LF $NL $SP $ZW $WJ $GL $CL $CP $EX $IS $SY $QU $BA $HY $NS $ALPlus $HL $IN];
+$SP $IS / [^ $CanFollowIS $NU $CM];
+$SP $IS $CM* $CMX / [^ $CanFollowIS $NU $CM];
+
+#
+# LB 14b Do not break before numeric separators (IS), even after spaces.
+
+[$LB8NonBreaks - $SP] $IS;
+$SP $IS $CM* [$CanFollowIS {eof}];
+$SP $IS $CM* $ZWJ [^$CM $NU];
+
+$CAN_CM $CM* $IS;
+^$CM+ $IS; # by rule 10, stand-alone CM behaves as AL
+
+
+# LB 15
+$QU $CM* $SP* $OP;
+
+# LB 16
+# Do not break between closing punctuation and $NS, even with intervening spaces
+# But DO allow a break between closing punctuation and $NSX, don't include it here
+($CL | $CP) $CM* $SP* $NS;
+
+# LB 17
+$B2 $CM* $SP* $B2;
+
+#
+# LB 18 Break after spaces.
+#
+$LB18NonBreaks = [$LB8NonBreaks - [$SP]];
+$LB18Breaks = [$LB8Breaks $SP];
+
+
+# LB 19
+# x QU
+$LB18NonBreaks $CM* $QU;
+^$CM+ $QU;
+
+# QU x
+$QU $CM* .;
+
+# LB 20
+# <break> $CB
+# $CB <break>
+#
+$LB20NonBreaks = [$LB18NonBreaks - $CB];
+
+# LB 20.09 Don't break between Hyphens and Letters when there is a break preceding the hyphen.
+# Originally added as a Finnish tailoring, now promoted to default ICU behavior.
+# Note: this is not default UAX-14 behaviour. See issue ICU-8151.
+#
+^($HY | $HH) $CM* $ALPlus;
+
+# LB 21 x (BA | HY | NS)
+# BB x
+#
+# DO allow breaks here before $BAX and $NSX, so don't include them
+$LB20NonBreaks $CM* ($BA | $HY | $NS);
+
+
+^$CM+ ($BA | $HY | $NS);
+
+$BB $CM* [^$CB]; # $BB x
+$BB $CM* $LB20NonBreaks;
+
+# LB 21a Don't break after Hebrew + Hyphen
+# HL (HY | BA) x
+#
+$HL $CM* ($HY | $BA | $BAX) $CM* [^$CB]?;
+
+# LB 21b (forward) Don't break between SY and HL
+# (break between HL and SY already disallowed by LB 13 above)
+$SY $CM* $HL;
+
+# LB 22 Do not break before ellipses
+#
+$LB20NonBreaks $CM* $IN;
+^$CM+ $IN;
+
+
+# LB 23
+#
+($ALPlus | $HL) $CM* $NU;
+^$CM+ $NU; # Rule 10, any otherwise unattached CM behaves as AL
+$NU $CM* ($ALPlus | $HL);
+
+# LB 23a
+#
+$PR $CM* ($ID | $EB | $EM);
+($ID | $EB | $EM) $CM* $PO;
+
+
+#
+# LB 24
+#
+($PR | $PO) $CM* ($ALPlus | $HL);
+($ALPlus | $HL) $CM* ($PR | $PO);
+^$CM+ ($PR | $PO); # Rule 10, any otherwise unattached CM behaves as AL
+
+#
+# LB 25 Numbers.
+#
+(($PR | $PO) $CM*)? (($OP | $HY) $CM*)? ($IS $CM*)? $NU ($CM* ($NU | $SY | $IS))*
+ ($CM* ($CL | $CP))? ($CM* ($PR | $PO))?;
+
+# LB 26 Do not break a Korean syllable
+#
+$JL $CM* ($JL | $JV | $H2 | $H3);
+($JV | $H2) $CM* ($JV | $JT);
+($JT | $H3) $CM* $JT;
+
+# LB 27 Treat korean Syllable Block the same as ID (don't break it)
+($JL | $JV | $JT | $H2 | $H3) $CM* $PO;
+$PR $CM* ($JL | $JV | $JT | $H2 | $H3);
+
+
+# LB 28 Do not break between alphabetics
+#
+($ALPlus | $HL) $CM* ($ALPlus | $HL);
+^$CM+ ($ALPlus | $HL); # The $CM+ is from rule 10, an unattached CM is treated as AL
+
+# LB 29
+$IS $CM* ($ALPlus | $HL);
+
+# LB 30
+($ALPlus | $HL | $NU) $CM* $OP30;
+^$CM+ $OP30; # The $CM+ is from rule 10, an unattached CM is treated as AL.
+$CP30 $CM* ($ALPlus | $HL | $NU);
+
+# LB 30a Do not break between regional indicators. Break after pairs of them.
+# Tricky interaction with LB8a: ZWJ x . together with ZWJ acting like a CM.
+$RI $CM* $RI / [[^$BK $CR $LF $NL $SP $ZW $WJ $CL $CP $EX $IS $SY $GL $QU $BA $HY $NS $IN $CM]];
+$RI $CM* $RI $CM* [$CM-$ZWJ] / [[^$BK $CR $LF $NL $SP $ZW $WJ $CL $CP $EX $IS $SY $GL $QU $BA $HY $NS $IN $CM]];
+$RI $CM* $RI $CM* [$BK $CR $LF $NL $SP $ZW $WJ $CL $CP $EX $IS $SY $GL $QU $BA $HY $NS $IN $ZWJ {eof}];
+# note: the preceding rule includes {eof} rather than having the last [set] term qualified with '?'
+# because of the chain-out behavior difference. The rule must chain out only from the [set characters],
+# not from the preceding $RI or $CM, which it would be able to do if the set were optional.
+
+# LB30b Do not break between an emoji base (or potential emoji) and an emoji modifier.
+$EB $CM* $EM;
+$ExtPictUnassigned $CM* $EM;
+
+# LB 31 Break everywhere else.
+# Match a single code point if no other rule applies.
+.;
TESTCASE_AUTO(TestTraceCreateLineNormal);
TESTCASE_AUTO(TestTraceCreateLineLoose);
TESTCASE_AUTO(TestTraceCreateLineStrict);
+ TESTCASE_AUTO(TestTraceCreateLineNormalPhrase);
+ TESTCASE_AUTO(TestTraceCreateLineLoosePhrase);
+ TESTCASE_AUTO(TestTraceCreateLineStrictPhrase);
+ TESTCASE_AUTO(TestTraceCreateLinePhrase);
TESTCASE_AUTO(TestTraceCreateBreakEngine);
#endif
LocalPointer<BreakIterator> brkitr(
BreakIterator::createLineInstance("zh-CN", status));
status.errIfFailureAndReset();
- assertTestTraceResult(UTRACE_UBRK_CREATE_LINE, "");
+ assertTestTraceResult(UTRACE_UBRK_CREATE_LINE, "line");
}
void RBBITest::TestTraceCreateLineStrict(void) {
LocalPointer<BreakIterator> brkitr(
BreakIterator::createLineInstance("zh-CN-u-lb-strict", status));
status.errIfFailureAndReset();
- assertTestTraceResult(UTRACE_UBRK_CREATE_LINE, "strict");
+ assertTestTraceResult(UTRACE_UBRK_CREATE_LINE, "line_strict");
}
void RBBITest::TestTraceCreateLineNormal(void) {
LocalPointer<BreakIterator> brkitr(
BreakIterator::createLineInstance("zh-CN-u-lb-normal", status));
status.errIfFailureAndReset();
- assertTestTraceResult(UTRACE_UBRK_CREATE_LINE, "normal");
+ assertTestTraceResult(UTRACE_UBRK_CREATE_LINE, "line_normal");
}
void RBBITest::TestTraceCreateLineLoose(void) {
LocalPointer<BreakIterator> brkitr(
BreakIterator::createLineInstance("zh-CN-u-lb-loose", status));
status.errIfFailureAndReset();
- assertTestTraceResult(UTRACE_UBRK_CREATE_LINE, "loose");
+ assertTestTraceResult(UTRACE_UBRK_CREATE_LINE, "line_loose");
+}
+
+void RBBITest::TestTraceCreateLineLoosePhrase(void) {
+ SetupTestTrace();
+ IcuTestErrorCode status(*this, "TestTraceCreateLineLoosePhrase");
+ LocalPointer<BreakIterator> brkitr(
+ BreakIterator::createLineInstance("ja-u-lb-loose-lw-phrase", status));
+ status.errIfFailureAndReset();
+ assertTestTraceResult(UTRACE_UBRK_CREATE_LINE, "line_loose_phrase");
+}
+
+void RBBITest::TestTraceCreateLineNormalPhrase(void) {
+ SetupTestTrace();
+ IcuTestErrorCode status(*this, "TestTraceCreateLineNormalPhrase");
+ LocalPointer<BreakIterator> brkitr(
+ BreakIterator::createLineInstance("ja-u-lb-normal-lw-phrase", status));
+ status.errIfFailureAndReset();
+ assertTestTraceResult(UTRACE_UBRK_CREATE_LINE, "line_normal_phrase");
+}
+
+void RBBITest::TestTraceCreateLineStrictPhrase(void) {
+ SetupTestTrace();
+ IcuTestErrorCode status(*this, "TestTraceCreateLineStrictPhrase");
+ LocalPointer<BreakIterator> brkitr(
+ BreakIterator::createLineInstance("ja-u-lb-strict-lw-phrase", status));
+ status.errIfFailureAndReset();
+ assertTestTraceResult(UTRACE_UBRK_CREATE_LINE, "line_strict_phrase");
+}
+
+void RBBITest::TestTraceCreateLinePhrase(void) {
+ SetupTestTrace();
+ IcuTestErrorCode status(*this, "TestTraceCreateLinePhrase");
+ LocalPointer<BreakIterator> brkitr(
+ BreakIterator::createLineInstance("ja-u-lw-phrase", status));
+ status.errIfFailureAndReset();
+ assertTestTraceResult(UTRACE_UBRK_CREATE_LINE, "line_phrase");
}
void RBBITest::TestTraceCreateBreakEngine(void) {
void TestTraceCreateLineNormal();
void TestTraceCreateLineStrict();
void TestTraceCreateLineLoose();
+ void TestTraceCreateLineNormalPhrase();
+ void TestTraceCreateLineLoosePhrase();
+ void TestTraceCreateLineStrictPhrase();
+ void TestTraceCreateLinePhrase();
void TestTraceCreateBreakEngine();
#endif
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