scuffed-code/icu4c/source/layout/ScriptAndLanguage.cpp
2001-01-19 00:30:17 +00:00

58 lines
1.3 KiB
C++

/*
* %W% %E%
*
* (C) Copyright IBM Corp. 1998, 1999, 2000, 2001 - All Rights Reserved
*
*/
#include "LETypes.h"
#include "OpenTypeTables.h"
#include "OpenTypeUtilities.h"
#include "ScriptAndLanguage.h"
#include "LESwaps.h"
const LangSysTable *ScriptTable::findLanguage(LETag languageTag) const
{
le_uint16 count = SWAPW(langSysCount);
Offset langSysTableOffset = defaultLangSysTableOffset;
if (count > 0) {
Offset foundOffset =
OpenTypeUtilities::getTagOffset(languageTag, langSysRecordArray, count);
if (foundOffset != 0) {
langSysTableOffset = foundOffset;
}
}
if (langSysTableOffset != 0) {
return (const LangSysTable *) ((char *)this + SWAPW(langSysTableOffset));
}
return 0;
}
const ScriptTable *ScriptListTable::findScript(LETag scriptTag) const
{
le_uint16 count = SWAPW(scriptCount);
Offset scriptTableOffset =
OpenTypeUtilities::getTagOffset(scriptTag, scriptRecordArray, count);
if (scriptTableOffset != 0) {
return (const ScriptTable *) ((char *)this + scriptTableOffset);
}
return 0;
}
const LangSysTable *ScriptListTable::findLanguage(LETag scriptTag, LETag languageTag) const
{
const ScriptTable *scriptTable = findScript(scriptTag);
if (scriptTable == 0) {
return 0;
}
return scriptTable->findLanguage(languageTag);
}