/*

  * @(#)Features.cpp 1.4 00/03/15

  *

  * (C) Copyright IBM Corp. 1998-2003 - All Rights Reserved

  *

  */

 #include "LETypes.h"

 #include "OpenTypeUtilities.h"

 #include "OpenTypeTables.h"

 #include "Features.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