UChar TextEncoding::backslashAsCurrencySymbol() const { return shouldShowBackslashAsCurrencySymbolIn(m_name) ? 0x00A5 : '\\'; }
CString TextCodecICU::encode(const UChar* characters, size_t length, UnencodableHandling handling) { if (!length) return ""; if (!m_converterICU) createICUConverter(); if (!m_converterICU) return CString(); // FIXME: We should see if there is "force ASCII range" mode in ICU; // until then, we change the backslash into a yen sign. // Encoding will change the yen sign back into a backslash. String copy; const UChar* source; const UChar* sourceLimit; if (shouldShowBackslashAsCurrencySymbolIn(m_encodingName)) { copy.append(characters, length); copy.replace('\\', 0xA5); source = copy.characters(); sourceLimit = source + copy.length(); } else { source = characters; sourceLimit = source + length; } UErrorCode err = U_ZERO_ERROR; switch (handling) { case QuestionMarksForUnencodables: ucnv_setSubstChars(m_converterICU, "?", 1, &err); ucnv_setFromUCallBack(m_converterICU, m_needsGBKFallbacks ? gbkCallbackSubstitute : UCNV_FROM_U_CALLBACK_SUBSTITUTE, 0, 0, 0, &err); break; case EntitiesForUnencodables: ucnv_setFromUCallBack(m_converterICU, m_needsGBKFallbacks ? gbkCallbackEscape : UCNV_FROM_U_CALLBACK_ESCAPE, UCNV_ESCAPE_XML_DEC, 0, 0, &err); break; case URLEncodedEntitiesForUnencodables: ucnv_setFromUCallBack(m_converterICU, m_needsGBKFallbacks ? gbkUrlEscapedEntityCallack : urlEscapedEntityCallback, 0, 0, 0, &err); break; } ASSERT(U_SUCCESS(err)); if (U_FAILURE(err)) return CString(); Vector<char> result; size_t size = 0; do { char buffer[ConversionBufferSize]; char* target = buffer; char* targetLimit = target + ConversionBufferSize; err = U_ZERO_ERROR; ucnv_fromUnicode(m_converterICU, &target, targetLimit, &source, sourceLimit, 0, true, &err); size_t count = target - buffer; result.grow(size + count); memcpy(result.data() + size, buffer, count); size += count; } while (err == U_BUFFER_OVERFLOW_ERROR); return CString(result.data(), size); }