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/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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/*
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*
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*
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* (C) Copyright IBM Corp. 1998-2003 - All Rights Reserved
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*
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*/
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#include "LETypes.h"
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#include "OpenTypeUtilities.h"
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#include "OpenTypeTables.h"
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#include "ICUFeatures.h"
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#include "LESwaps.h"
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U_NAMESPACE_BEGIN
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LEReferenceTo<FeatureTable> FeatureListTable::getFeatureTable(const LETableReference &base, le_uint16 featureIndex, LETag *featureTag, LEErrorCode &success) const
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{
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if (featureIndex >= SWAPW(featureCount) || LE_FAILURE(success)) {
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return LEReferenceTo<FeatureTable>();
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}
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Offset featureTableOffset = featureRecordArray[featureIndex].featureTableOffset;
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*featureTag = SWAPT(featureRecordArray[featureIndex].featureTag);
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return LEReferenceTo<FeatureTable>(base, success, SWAPW(featureTableOffset));
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}
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#if 0
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/*
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* Note: according to the OpenType Spec. v 1.4, the entries in the Feature
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* List Table are sorted alphabetically by feature tag; however, there seem
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* to be some fonts which have an unsorted list; that's why the binary search
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* is #if 0'd out and replaced by a linear search.
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*
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* Also note: as of ICU 2.6, this method isn't called anyhow...
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*/
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const FeatureTable *FeatureListTable::getFeatureTable(LETag featureTag) const
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{
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#if 0
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Offset featureTableOffset =
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OpenTypeUtilities::getTagOffset(featureTag, (TagAndOffsetRecord *) featureRecordArray, SWAPW(featureCount));
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if (featureTableOffset == 0) {
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return 0;
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}
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return (const FeatureTable *) ((char *) this + SWAPW(featureTableOffset));
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#else
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int count = SWAPW(featureCount);
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for (int i = 0; i < count; i += 1) {
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if (SWAPT(featureRecordArray[i].featureTag) == featureTag) {
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return (const FeatureTable *) ((char *) this + SWAPW(featureRecordArray[i].featureTableOffset));
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}
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}
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return 0;
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#endif
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}
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#endif
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U_NAMESPACE_END
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