1/*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
3 *
4 * This code is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License version 2 only, as
6 * published by the Free Software Foundation.  Oracle designates this
7 * particular file as subject to the "Classpath" exception as provided
8 * by Oracle in the LICENSE file that accompanied this code.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26/*
27 *
28 * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved
29 *
30 */
31
32#include "LETypes.h"
33#include "OpenTypeTables.h"
34#include "ScriptAndLanguage.h"
35#include "GlyphLookupTables.h"
36#include "LESwaps.h"
37
38U_NAMESPACE_BEGIN
39
40le_bool GlyphLookupTableHeader::coversScript(const LETableReference &base, LETag scriptTag, LEErrorCode &success) const
41{
42  LEReferenceTo<ScriptListTable> scriptListTable(base, success, SWAPW(scriptListOffset));
43
44  return (scriptListOffset != 0) && scriptListTable->findScript(scriptListTable, scriptTag, success) .isValid();
45}
46
47le_bool GlyphLookupTableHeader::coversScriptAndLanguage(const LETableReference &base, LETag scriptTag, LETag languageTag, LEErrorCode &success, le_bool exactMatch) const
48{
49  LEReferenceTo<ScriptListTable> scriptListTable(base, success, SWAPW(scriptListOffset));
50  LEReferenceTo<LangSysTable> langSysTable = scriptListTable->findLanguage(scriptListTable,
51                                    scriptTag, languageTag, success, exactMatch);
52
53    // FIXME: could check featureListOffset, lookupListOffset, and lookup count...
54    // Note: don't have to SWAPW langSysTable->featureCount to check for non-zero.
55  return LE_SUCCESS(success)&&langSysTable.isValid() && langSysTable->featureCount != 0;
56}
57
58U_NAMESPACE_END
59