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-rw-r--r--Build/source/libs/icu/icu-4.6/layout/Features.cpp61
1 files changed, 61 insertions, 0 deletions
diff --git a/Build/source/libs/icu/icu-4.6/layout/Features.cpp b/Build/source/libs/icu/icu-4.6/layout/Features.cpp
new file mode 100644
index 00000000000..01419ecad80
--- /dev/null
+++ b/Build/source/libs/icu/icu-4.6/layout/Features.cpp
@@ -0,0 +1,61 @@
+/*
+ * @(#)Features.cpp 1.4 00/03/15
+ *
+ * (C) Copyright IBM Corp. 1998-2010 - All Rights Reserved
+ *
+ */
+
+#include "LETypes.h"
+#include "OpenTypeUtilities.h"
+#include "OpenTypeTables.h"
+#include "ICUFeatures.h"
+#include "LESwaps.h"
+
+U_NAMESPACE_BEGIN
+
+const FeatureTable *FeatureListTable::getFeatureTable(le_uint16 featureIndex, LETag *featureTag) const
+{
+ if (featureIndex >= SWAPW(featureCount)) {
+ return 0;
+ }
+
+ Offset featureTableOffset = featureRecordArray[featureIndex].featureTableOffset;
+
+ *featureTag = SWAPT(featureRecordArray[featureIndex].featureTag);
+
+ return (const FeatureTable *) ((char *) this + SWAPW(featureTableOffset));
+}
+
+/*
+ * Note: according to the OpenType Spec. v 1.4, the entries in the Feature
+ * List Table are sorted alphabetically by feature tag; however, there seem
+ * to be some fonts which have an unsorted list; that's why the binary search
+ * is #if 0'd out and replaced by a linear search.
+ *
+ * Also note: as of ICU 2.6, this method isn't called anyhow...
+ */
+const FeatureTable *FeatureListTable::getFeatureTable(LETag featureTag) const
+{
+#if 0
+ Offset featureTableOffset =
+ OpenTypeUtilities::getTagOffset(featureTag, (TagAndOffsetRecord *) featureRecordArray, SWAPW(featureCount));
+
+ if (featureTableOffset == 0) {
+ return 0;
+ }
+
+ return (const FeatureTable *) ((char *) this + SWAPW(featureTableOffset));
+#else
+ int count = SWAPW(featureCount);
+
+ for (int i = 0; i < count; i += 1) {
+ if (SWAPT(featureRecordArray[i].featureTag) == featureTag) {
+ return (const FeatureTable *) ((char *) this + SWAPW(featureRecordArray[i].featureTableOffset));
+ }
+ }
+
+ return 0;
+#endif
+}
+
+U_NAMESPACE_END