void TextCodecICU::createICUConverter() const
{
ASSERT(!m_converterICU);
#if defined(USING_SYSTEM_ICU)
const char* name = m_encoding.name();
m_needsGBKFallbacks = name[0] == 'G' && name[1] == 'B' && name[2] == 'K' && !name[3];
#endif
UErrorCode err;
UConverter*& cachedConverter = cachedConverterICU();
if (cachedConverter) {
err = U_ZERO_ERROR;
const char* cachedName = ucnv_getName(cachedConverter, &err);
if (U_SUCCESS(err) && m_encoding == cachedName) {
m_converterICU = cachedConverter;
cachedConverter = 0;
return;
}
}
err = U_ZERO_ERROR;
m_converterICU = ucnv_open(m_encoding.name(), &err);
#if !LOG_DISABLED
if (err == U_AMBIGUOUS_ALIAS_WARNING)
WTF_LOG_ERROR("ICU ambiguous alias warning for encoding: %s", m_encoding.name());
#endif
if (m_converterICU)
ucnv_setFallback(m_converterICU, TRUE);
}
void TextCodecICU::createICUConverter() const
{
ASSERT(!m_converterICU);
UErrorCode err;
m_needsGBKFallbacks = !strcmp(m_encodingName, "GBK");
UConverter*& cachedConverter = cachedConverterICU();
if (cachedConverter) {
err = U_ZERO_ERROR;
const char* cachedConverterName = ucnv_getName(cachedConverter, &err);
if (U_SUCCESS(err) && !strcmp(m_canonicalConverterName, cachedConverterName)) {
m_converterICU = cachedConverter;
cachedConverter = 0;
return;
}
}
err = U_ZERO_ERROR;
m_converterICU = ucnv_open(m_canonicalConverterName, &err);
ASSERT(U_SUCCESS(err));
if (m_converterICU)
ucnv_setFallback(m_converterICU, TRUE);
}
void TextCodecICU::releaseICUConverter() const {
if (m_converterICU) {
UConverter*& cachedConverter = cachedConverterICU();
if (cachedConverter)
ucnv_close(cachedConverter);
cachedConverter = m_converterICU;
m_converterICU = 0;
}
}