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-rw-r--r--Build/source/libs/icu/icu-4.6/layout/MorphTables.cpp96
1 files changed, 96 insertions, 0 deletions
diff --git a/Build/source/libs/icu/icu-4.6/layout/MorphTables.cpp b/Build/source/libs/icu/icu-4.6/layout/MorphTables.cpp
new file mode 100644
index 00000000000..9272cc3af3b
--- /dev/null
+++ b/Build/source/libs/icu/icu-4.6/layout/MorphTables.cpp
@@ -0,0 +1,96 @@
+/*
+ * %W% %W%
+ *
+ * (C) Copyright IBM Corp. 1998 - 2004 - All Rights Reserved
+ *
+ */
+
+
+#include "LETypes.h"
+#include "LayoutTables.h"
+#include "MorphTables.h"
+#include "SubtableProcessor.h"
+#include "IndicRearrangementProcessor.h"
+#include "ContextualGlyphSubstProc.h"
+#include "LigatureSubstProc.h"
+#include "NonContextualGlyphSubstProc.h"
+//#include "ContextualGlyphInsertionProcessor.h"
+#include "LEGlyphStorage.h"
+#include "LESwaps.h"
+
+U_NAMESPACE_BEGIN
+
+void MorphTableHeader::process(LEGlyphStorage &glyphStorage) const
+{
+ const ChainHeader *chainHeader = chains;
+ le_uint32 chainCount = SWAPL(this->nChains);
+ le_uint32 chain;
+
+ for (chain = 0; chain < chainCount; chain += 1) {
+ FeatureFlags defaultFlags = SWAPL(chainHeader->defaultFlags);
+ le_uint32 chainLength = SWAPL(chainHeader->chainLength);
+ le_int16 nFeatureEntries = SWAPW(chainHeader->nFeatureEntries);
+ le_int16 nSubtables = SWAPW(chainHeader->nSubtables);
+ const MorphSubtableHeader *subtableHeader =
+ (const MorphSubtableHeader *)&chainHeader->featureTable[nFeatureEntries];
+ le_int16 subtable;
+
+ for (subtable = 0; subtable < nSubtables; subtable += 1) {
+ le_int16 length = SWAPW(subtableHeader->length);
+ SubtableCoverage coverage = SWAPW(subtableHeader->coverage);
+ FeatureFlags subtableFeatures = SWAPL(subtableHeader->subtableFeatures);
+
+ // should check coverage more carefully...
+ if ((coverage & scfVertical) == 0 && (subtableFeatures & defaultFlags) != 0) {
+ subtableHeader->process(glyphStorage);
+ }
+
+ subtableHeader = (const MorphSubtableHeader *) ((char *)subtableHeader + length);
+ }
+
+ chainHeader = (const ChainHeader *)((char *)chainHeader + chainLength);
+ }
+}
+
+void MorphSubtableHeader::process(LEGlyphStorage &glyphStorage) const
+{
+ SubtableProcessor *processor = NULL;
+
+ switch (SWAPW(coverage) & scfTypeMask)
+ {
+ case mstIndicRearrangement:
+ processor = new IndicRearrangementProcessor(this);
+ break;
+
+ case mstContextualGlyphSubstitution:
+ processor = new ContextualGlyphSubstitutionProcessor(this);
+ break;
+
+ case mstLigatureSubstitution:
+ processor = new LigatureSubstitutionProcessor(this);
+ break;
+
+ case mstReservedUnused:
+ break;
+
+ case mstNonContextualGlyphSubstitution:
+ processor = NonContextualGlyphSubstitutionProcessor::createInstance(this);
+ break;
+
+ /*
+ case mstContextualGlyphInsertion:
+ processor = new ContextualGlyphInsertionProcessor(this);
+ break;
+ */
+
+ default:
+ break;
+ }
+
+ if (processor != NULL) {
+ processor->process(glyphStorage);
+ delete processor;
+ }
+}
+
+U_NAMESPACE_END