projects / apple / icu.git / blame
| Commit | Line | Data |
|---|---|---|
| b75a7d8f A |
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 | ||
| 16 | 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 | ||
| 37 | 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 | ||
| 50 | 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 |