mirror of
https://github.com/archlinuxarm/PKGBUILDs.git
synced 2024-11-08 22:45:43 +00:00
129 lines
5.4 KiB
Diff
129 lines
5.4 KiB
Diff
Index: icu/trunk/source/layout/IndicReordering.cpp
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===================================================================
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--- icu/trunk/source/layout/IndicReordering.cpp (revision 25772)
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+++ icu/trunk/source/layout/IndicReordering.cpp (revision 26090)
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@@ -126,4 +126,8 @@
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FeatureMask fSMFeatures;
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+ LEUnicode fPreBaseConsonant;
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+ LEUnicode fPreBaseVirama;
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+ le_int32 fPBCIndex;
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+ FeatureMask fPBCFeatures;
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void saveMatra(LEUnicode matra, le_int32 matraIndex, IndicClassTable::CharClass matraClass)
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@@ -172,5 +176,6 @@
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fMatraFeatures(0), fMPreOutIndex(-1), fMPreFixups(mpreFixups),
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fVMabove(0), fVMpost(0), fVMIndex(0), fVMFeatures(0),
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- fSMabove(0), fSMbelow(0), fSMIndex(0), fSMFeatures(0)
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+ fSMabove(0), fSMbelow(0), fSMIndex(0), fSMFeatures(0),
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+ fPreBaseConsonant(0), fPreBaseVirama(0), fPBCIndex(0), fPBCFeatures(0)
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{
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// nothing else to do...
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@@ -191,4 +196,6 @@
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fVMabove = fVMpost = 0;
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fSMabove = fSMbelow = 0;
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+
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+ fPreBaseConsonant = fPreBaseVirama = 0;
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}
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@@ -386,4 +393,12 @@
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}
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+ void notePreBaseConsonant(le_uint32 index,LEUnicode PBConsonant, LEUnicode PBVirama, FeatureMask features)
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+ {
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+ fPBCIndex = index;
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+ fPreBaseConsonant = PBConsonant;
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+ fPreBaseVirama = PBVirama;
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+ fPBCFeatures = features;
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+ }
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+
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void noteBaseConsonant()
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{
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@@ -465,4 +480,20 @@
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}
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+ void writePreBaseConsonant()
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+ {
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+ // The TDIL spec says that consonant + virama + RRA should produce a rakar in Malayalam. However,
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+ // it seems that almost none of the fonts for Malayalam are set up to handle this.
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+ // So, we're going to force the issue here by using the rakar as defined with RA in most fonts.
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+
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+ if (fPreBaseConsonant == 0x0d31) { // RRA
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+ fPreBaseConsonant = 0x0d30; // RA
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+ }
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+
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+ if (fPreBaseConsonant != 0) {
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+ writeChar(fPreBaseConsonant, fPBCIndex, fPBCFeatures);
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+ writeChar(fPreBaseVirama,fPBCIndex-1,fPBCFeatures);
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+ }
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+ }
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+
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le_int32 getOutputIndex()
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{
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@@ -723,4 +754,5 @@
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}
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+
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IndicClassTable::CharClass charClass = CC_RESERVED;
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IndicClassTable::CharClass nextClass = CC_RESERVED;
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@@ -730,7 +762,9 @@
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le_bool seenVattu = FALSE;
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le_bool seenBelowBaseForm = FALSE;
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+ le_bool seenPreBaseForm = FALSE;
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le_bool hasNukta = FALSE;
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le_bool hasBelowBaseForm = FALSE;
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le_bool hasPostBaseForm = FALSE;
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+ le_bool hasPreBaseForm = FALSE;
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if (postBase < markStart && classTable->isNukta(chars[postBase])) {
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@@ -746,12 +780,20 @@
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hasBelowBaseForm = IndicClassTable::hasBelowBaseForm(charClass) && !hasNukta;
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hasPostBaseForm = IndicClassTable::hasPostBaseForm(charClass) && !hasNukta;
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+ hasPreBaseForm = IndicClassTable::hasPreBaseForm(charClass) && !hasNukta;
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if (IndicClassTable::isConsonant(charClass)) {
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if (postBaseLimit == 0 || seenVattu ||
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(baseConsonant > baseLimit && !classTable->isVirama(chars[baseConsonant - 1])) ||
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- !(hasBelowBaseForm || hasPostBaseForm)) {
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+ !(hasBelowBaseForm || hasPostBaseForm || hasPreBaseForm)) {
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break;
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}
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+ // Note any pre-base consonants
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+ if ( baseConsonant == lastConsonant && lastConsonant > 0 &&
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+ hasPreBaseForm && classTable->isVirama(chars[baseConsonant - 1])) {
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+ output.notePreBaseConsonant(lastConsonant,chars[lastConsonant],chars[lastConsonant-1],tagArray2);
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+ seenPreBaseForm = TRUE;
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+
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+ }
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// consonants with nuktas are never vattus
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seenVattu = IndicClassTable::isVattu(charClass) && !hasNukta;
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@@ -786,10 +828,12 @@
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// write any pre-base consonants
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+ output.writePreBaseConsonant();
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+
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le_bool supressVattu = TRUE;
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for (i = baseLimit; i < baseConsonant; i += 1) {
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LEUnicode ch = chars[i];
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- // Don't put 'blwf' on first consonant.
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- FeatureMask features = (i == baseLimit? tagArray2 : tagArray1);
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+ // Don't put 'pstf' or 'blwf' on anything before the base consonant.
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+ FeatureMask features = tagArray1 & ~( pstfFeatureMask | blwfFeatureMask );
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charClass = classTable->getCharClass(ch);
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@@ -842,5 +886,5 @@
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// write below-base consonants
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- if (baseConsonant != lastConsonant) {
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+ if (baseConsonant != lastConsonant && !seenPreBaseForm) {
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for (i = bcSpan + 1; i < postBase; i += 1) {
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output.writeChar(chars[i], i, tagArray1);
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@@ -872,5 +916,5 @@
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// write post-base consonants
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// FIXME: does this put the right tags on post-base consonants?
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- if (baseConsonant != lastConsonant) {
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+ if (baseConsonant != lastConsonant && !seenPreBaseForm) {
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if (postBase <= lastConsonant) {
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for (i = postBase; i <= lastConsonant; i += 1) {
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