os/textandloc/fontservices/textshaperplugin/IcuSource/layout/ScriptAndLanguage.cpp
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/textandloc/fontservices/textshaperplugin/IcuSource/layout/ScriptAndLanguage.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,61 @@
     1.4 +/*
     1.5 + * %W% %E%
     1.6 + *
     1.7 + * (C) Copyright IBM Corp. 1998-2003 - All Rights Reserved
     1.8 + *
     1.9 + */
    1.10 +
    1.11 +#include "LETypes.h"
    1.12 +#include "OpenTypeTables.h"
    1.13 +#include "OpenTypeUtilities.h"
    1.14 +#include "ScriptAndLanguage.h"
    1.15 +#include "LESwaps.h"
    1.16 +
    1.17 +U_NAMESPACE_BEGIN
    1.18 +
    1.19 +const LangSysTable *ScriptTable::findLanguage(LETag languageTag, le_bool exactMatch) const
    1.20 +{
    1.21 +    le_uint16 count = SWAPW(langSysCount);
    1.22 +    Offset langSysTableOffset = exactMatch? 0 : SWAPW(defaultLangSysTableOffset);
    1.23 +
    1.24 +    if (count > 0) {
    1.25 +        Offset foundOffset =
    1.26 +            OpenTypeUtilities::getTagOffset(languageTag, langSysRecordArray, count);
    1.27 +
    1.28 +        if (foundOffset != 0) {
    1.29 +            langSysTableOffset = foundOffset;
    1.30 +        }
    1.31 +    }
    1.32 +
    1.33 +    if (langSysTableOffset != 0) {
    1.34 +        return (const LangSysTable *) ((char *)this + langSysTableOffset);
    1.35 +    }
    1.36 +
    1.37 +    return 0;
    1.38 +}
    1.39 +
    1.40 +const ScriptTable *ScriptListTable::findScript(LETag scriptTag) const
    1.41 +{
    1.42 +    le_uint16 count = SWAPW(scriptCount);
    1.43 +    Offset scriptTableOffset =
    1.44 +        OpenTypeUtilities::getTagOffset(scriptTag, scriptRecordArray, count);
    1.45 +
    1.46 +    if (scriptTableOffset != 0) {
    1.47 +        return (const ScriptTable *) ((char *)this + scriptTableOffset);
    1.48 +    }
    1.49 +
    1.50 +    return 0;
    1.51 +}
    1.52 +
    1.53 +const LangSysTable *ScriptListTable::findLanguage(LETag scriptTag, LETag languageTag, le_bool exactMatch) const
    1.54 +{
    1.55 +    const ScriptTable *scriptTable = findScript(scriptTag);
    1.56 +
    1.57 +    if (scriptTable == 0) {
    1.58 +        return 0;
    1.59 +    }
    1.60 +
    1.61 +    return scriptTable->findLanguage(languageTag, exactMatch);
    1.62 +}
    1.63 +
    1.64 +U_NAMESPACE_END