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-rw-r--r--src/corelib/tools/qunicodetools.cpp61
1 files changed, 37 insertions, 24 deletions
diff --git a/src/corelib/tools/qunicodetools.cpp b/src/corelib/tools/qunicodetools.cpp
index 56576c69f1..0df6b01b13 100644
--- a/src/corelib/tools/qunicodetools.cpp
+++ b/src/corelib/tools/qunicodetools.cpp
@@ -49,7 +49,7 @@ namespace QUnicodeTools {
// -----------------------------------------------------------------------------------------------------
//
// The text boundaries determination algorithm.
-// See http://www.unicode.org/reports/tr29/tr29-25.html
+// See http://www.unicode.org/reports/tr29/tr29-27.html
//
// -----------------------------------------------------------------------------------------------------
@@ -244,8 +244,9 @@ namespace SB {
enum State {
Initial,
+ Lower,
Upper,
- UpATerm,
+ LUATerm,
ATerm,
ATermC,
ACS,
@@ -260,10 +261,11 @@ enum State {
static const uchar breakTable[BAfter + 1][QUnicodeTables::SentenceBreak_Close + 1] = {
// Other CR LF Sep Extend Sp Lower Upper OLetter Numeric ATerm SContinue STerm Close
- { Initial, BAfterC, BAfter , BAfter , Initial, Initial, Initial, Upper , Initial, Initial, ATerm , Initial, STerm , Initial }, // Initial
- { Initial, BAfterC, BAfter , BAfter , Upper , Initial, Initial, Upper , Initial, Initial, UpATerm, STerm , STerm , Initial }, // Upper
+ { Initial, BAfterC, BAfter , BAfter , Initial, Initial, Lower , Upper , Initial, Initial, ATerm , Initial, STerm , Initial }, // Initial
+ { Initial, BAfterC, BAfter , BAfter , Lower , Initial, Initial, Initial, Initial, Initial, LUATerm, Initial, STerm , Initial }, // Lower
+ { Initial, BAfterC, BAfter , BAfter , Upper , Initial, Initial, Upper , Initial, Initial, LUATerm, STerm , STerm , Initial }, // Upper
- { Lookup , BAfterC, BAfter , BAfter , UpATerm, ACS , Initial, Upper , Break , Initial, ATerm , STerm , STerm , ATermC }, // UpATerm
+ { Lookup , BAfterC, BAfter , BAfter , LUATerm, ACS , Initial, Upper , Break , Initial, ATerm , STerm , STerm , ATermC }, // LUATerm
{ Lookup , BAfterC, BAfter , BAfter , ATerm , ACS , Initial, Break , Break , Initial, ATerm , STerm , STerm , ATermC }, // ATerm
{ Lookup , BAfterC, BAfter , BAfter , ATermC , ACS , Initial, Break , Break , Lookup , ATerm , STerm , STerm , ATermC }, // ATermC
{ Lookup , BAfterC, BAfter , BAfter , ACS , ACS , Initial, Break , Break , Lookup , ATerm , STerm , STerm , Lookup }, // ACS
@@ -341,7 +343,7 @@ static void getSentenceBreaks(const ushort *string, quint32 len, QCharAttributes
// -----------------------------------------------------------------------------------------------------
//
// The line breaking algorithm.
-// See http://www.unicode.org/reports/tr14/tr14-33.html
+// See http://www.unicode.org/reports/tr14/tr14-35.html
//
// -----------------------------------------------------------------------------------------------------
@@ -408,26 +410,29 @@ inline Class toClass(QUnicodeTables::LineBreakClass lbc, QChar::Category categor
/* In order to support the tailored implementation of LB25 properly
the following changes were made in the pair table to allow breaks
where the numeric expression doesn't match the template (i.e. [^NU](IS|SY)NU):
- CL->PO from IB to DB
- CP->PO from IB to DB
- CL->PR from IB to DB
- CP->PR from IB to DB
- PO->OP from IB to DB
- PR->OP from IB to DB
- IS->NU from IB to DB
- SY->NU from IB to DB
+ (CL)(PO) from IB to DB
+ (CP)(PO) from IB to DB
+ (CL)(PR) from IB to DB
+ (CP)(PR) from IB to DB
+ (PO)(OP) from IB to DB
+ (PR)(OP) from IB to DB
+ (IS)(NU) from IB to DB
+ (SY)(NU) from IB to DB
*/
-// The following line break classes are not treated by the pair table
-// and must be resolved outside:
-// AI, BK, CB, CJ, CR, LF, NL, SA, SG, SP, XX
+/* In order to implementat LB21a properly a special rule HH has been introduced and
+ the following changes were made in the pair table to disallow breaks after Hebrew + Hyphen:
+ (HL)(HY|BA) from IB to CI
+ (HY|BA)(!CB) from DB to HH
+*/
enum Action {
ProhibitedBreak, PB = ProhibitedBreak,
DirectBreak, DB = DirectBreak,
IndirectBreak, IB = IndirectBreak,
CombiningIndirectBreak, CI = CombiningIndirectBreak,
- CombiningProhibitedBreak, CP = CombiningProhibitedBreak
+ CombiningProhibitedBreak, CP = CombiningProhibitedBreak,
+ ProhibitedBreakAfterHebrewPlusHyphen, HH = ProhibitedBreakAfterHebrewPlusHyphen
};
static const uchar breakTable[QUnicodeTables::LineBreak_CB + 1][QUnicodeTables::LineBreak_CB + 1] = {
@@ -438,18 +443,18 @@ static const uchar breakTable[QUnicodeTables::LineBreak_CB + 1][QUnicodeTables::
/* QU */ { PB, PB, PB, IB, IB, IB, PB, PB, PB, IB, IB, IB, IB, IB, IB, IB, IB, IB, IB, IB, PB, CI, PB, IB, IB, IB, IB, IB, IB, IB },
/* GL */ { IB, PB, PB, IB, IB, IB, PB, PB, PB, IB, IB, IB, IB, IB, IB, IB, IB, IB, IB, IB, PB, CI, PB, IB, IB, IB, IB, IB, IB, IB },
/* NS */ { DB, PB, PB, IB, IB, IB, PB, PB, PB, DB, DB, DB, DB, DB, DB, DB, IB, IB, DB, DB, PB, CI, PB, DB, DB, DB, DB, DB, DB, DB },
-/* EX */ { DB, PB, PB, IB, IB, IB, PB, PB, PB, DB, DB, DB, DB, DB, DB, DB, IB, IB, DB, DB, PB, CI, PB, DB, DB, DB, DB, DB, DB, DB },
-/* SY */ { DB, PB, PB, IB, IB, IB, PB, PB, PB, DB, DB, DB, DB, DB, DB, DB, IB, IB, DB, DB, PB, CI, PB, DB, DB, DB, DB, DB, DB, DB },
+/* EX */ { DB, PB, PB, IB, IB, IB, PB, PB, PB, DB, DB, DB, DB, DB, DB, IB, IB, IB, DB, DB, PB, CI, PB, DB, DB, DB, DB, DB, DB, DB },
+/* SY */ { DB, PB, PB, IB, IB, IB, PB, PB, PB, DB, DB, DB, DB, IB, DB, DB, IB, IB, DB, DB, PB, CI, PB, DB, DB, DB, DB, DB, DB, DB },
/* IS */ { DB, PB, PB, IB, IB, IB, PB, PB, PB, DB, DB, DB, IB, IB, DB, DB, IB, IB, DB, DB, PB, CI, PB, DB, DB, DB, DB, DB, DB, DB },
/* PR */ { DB, PB, PB, IB, IB, IB, PB, PB, PB, DB, DB, IB, IB, IB, IB, DB, IB, IB, DB, DB, PB, CI, PB, IB, IB, IB, IB, IB, DB, DB },
/* PO */ { DB, PB, PB, IB, IB, IB, PB, PB, PB, DB, DB, IB, IB, IB, DB, DB, IB, IB, DB, DB, PB, CI, PB, DB, DB, DB, DB, DB, DB, DB },
/* NU */ { IB, PB, PB, IB, IB, IB, PB, PB, PB, IB, IB, IB, IB, IB, DB, IB, IB, IB, DB, DB, PB, CI, PB, DB, DB, DB, DB, DB, DB, DB },
/* AL */ { IB, PB, PB, IB, IB, IB, PB, PB, PB, DB, DB, IB, IB, IB, DB, IB, IB, IB, DB, DB, PB, CI, PB, DB, DB, DB, DB, DB, DB, DB },
-/* HL */ { IB, PB, PB, IB, IB, IB, PB, PB, PB, DB, DB, IB, IB, IB, DB, IB, IB, IB, DB, DB, PB, CI, PB, DB, DB, DB, DB, DB, DB, DB },
+/* HL */ { IB, PB, PB, IB, IB, IB, PB, PB, PB, DB, DB, IB, IB, IB, DB, IB, CI, CI, DB, DB, PB, CI, PB, DB, DB, DB, DB, DB, DB, DB },
/* ID */ { DB, PB, PB, IB, IB, IB, PB, PB, PB, DB, IB, DB, DB, DB, DB, IB, IB, IB, DB, DB, PB, CI, PB, DB, DB, DB, DB, DB, DB, DB },
/* IN */ { DB, PB, PB, IB, IB, IB, PB, PB, PB, DB, DB, DB, DB, DB, DB, IB, IB, IB, DB, DB, PB, CI, PB, DB, DB, DB, DB, DB, DB, DB },
-/* HY */ { DB, PB, PB, IB, DB, IB, PB, PB, PB, DB, DB, IB, DB, DB, DB, DB, IB, IB, DB, DB, PB, CI, PB, DB, DB, DB, DB, DB, DB, DB },
-/* BA */ { DB, PB, PB, IB, DB, IB, PB, PB, PB, DB, DB, DB, DB, DB, DB, DB, IB, IB, DB, DB, PB, CI, PB, DB, DB, DB, DB, DB, DB, DB },
+/* HY */ { HH, PB, PB, IB, HH, IB, PB, PB, PB, HH, HH, IB, HH, HH, HH, HH, IB, IB, HH, HH, PB, CI, PB, HH, HH, HH, HH, HH, HH, DB },
+/* BA */ { HH, PB, PB, IB, HH, IB, PB, PB, PB, HH, HH, HH, HH, HH, HH, HH, IB, IB, HH, HH, PB, CI, PB, HH, HH, HH, HH, HH, HH, DB },
/* BB */ { IB, PB, PB, IB, IB, IB, PB, PB, PB, IB, IB, IB, IB, IB, IB, IB, IB, IB, IB, IB, PB, CI, PB, IB, IB, IB, IB, IB, IB, DB },
/* B2 */ { DB, PB, PB, IB, IB, IB, PB, PB, PB, DB, DB, DB, DB, DB, DB, DB, IB, IB, DB, PB, PB, CI, PB, DB, DB, DB, DB, DB, DB, DB },
/* ZW */ { DB, DB, DB, DB, DB, DB, DB, DB, DB, DB, DB, DB, DB, DB, DB, DB, DB, DB, DB, DB, PB, DB, DB, DB, DB, DB, DB, DB, DB, DB },
@@ -464,6 +469,10 @@ static const uchar breakTable[QUnicodeTables::LineBreak_CB + 1][QUnicodeTables::
/* CB */ { DB, PB, PB, IB, IB, DB, PB, PB, PB, DB, DB, DB, DB, DB, DB, DB, DB, DB, DB, DB, PB, CI, PB, DB, DB, DB, DB, DB, DB, DB }
};
+// The following line break classes are not treated by the pair table
+// and must be resolved outside:
+// AI, BK, CB, CJ, CR, LF, NL, SA, SG, SP, XX
+
} // namespace LB
static void getLineBreaks(const ushort *string, quint32 len, QCharAttributes *attributes)
@@ -555,6 +564,10 @@ static void getLineBreaks(const ushort *string, quint32 len, QCharAttributes *at
if (lcls != QUnicodeTables::LineBreak_SP)
goto next_no_cls_update;
break;
+ case LB::ProhibitedBreakAfterHebrewPlusHyphen:
+ if (lcls != QUnicodeTables::LineBreak_HL)
+ attributes[pos].lineBreak = true;
+ break;
case LB::ProhibitedBreak:
// nothing to do
default:
@@ -659,7 +672,7 @@ Q_CORE_EXPORT void initCharAttributes(const ushort *string, int length,
// ----------------------------------------------------------------------------
//
-// The Unicode script property. See http://www.unicode.org/reports/tr24/tr24-22.html
+// The Unicode script property. See http://www.unicode.org/reports/tr24/tr24-24.html
//
// ----------------------------------------------------------------------------
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-19 04:09:18 +0000