1 /*
2 * %W% %E%
3 *
4 * (C) Copyright IBM Corp. 1998-2003 - All Rights Reserved
5 *
6 */
7
8 #include "LETypes.h"
9 #include "OpenTypeTables.h"
10 #include "OpenTypeUtilities.h"
11 #include "ScriptAndLanguage.h"
12 #include "LESwaps.h"
13
14 U_NAMESPACE_BEGIN
15
findLanguage(LETag languageTag,le_bool exactMatch) const16 const LangSysTable *ScriptTable::findLanguage(LETag languageTag, le_bool exactMatch) const
17 {
18 le_uint16 count = SWAPW(langSysCount);
19 Offset langSysTableOffset = exactMatch? 0 : SWAPW(defaultLangSysTableOffset);
20
21 if (count > 0) {
22 Offset foundOffset =
23 OpenTypeUtilities::getTagOffset(languageTag, langSysRecordArray, count);
24
25 if (foundOffset != 0) {
26 langSysTableOffset = foundOffset;
27 }
28 }
29
30 if (langSysTableOffset != 0) {
31 return (const LangSysTable *) ((char *)this + langSysTableOffset);
32 }
33
34 return 0;
35 }
36
findScript(LETag scriptTag) const37 const ScriptTable *ScriptListTable::findScript(LETag scriptTag) const
38 {
39 le_uint16 count = SWAPW(scriptCount);
40 Offset scriptTableOffset =
41 OpenTypeUtilities::getTagOffset(scriptTag, scriptRecordArray, count);
42
43 if (scriptTableOffset != 0) {
44 return (const ScriptTable *) ((char *)this + scriptTableOffset);
45 }
46
47 return 0;
48 }
49
findLanguage(LETag scriptTag,LETag languageTag,le_bool exactMatch) const50 const LangSysTable *ScriptListTable::findLanguage(LETag scriptTag, LETag languageTag, le_bool exactMatch) const
51 {
52 const ScriptTable *scriptTable = findScript(scriptTag);
53
54 if (scriptTable == 0) {
55 return 0;
56 }
57
58 return scriptTable->findLanguage(languageTag, exactMatch);
59 }
60
61 U_NAMESPACE_END
62