C++ (Cpp) ucnv_cbToUWriteUChars Examples

Example #1

File: ucnv_cb.cpp Project: winlibs/icu4c

U_CAPI void  U_EXPORT2
ucnv_cbToUWriteSub (UConverterToUnicodeArgs *args,
                         int32_t offsetIndex,
                       UErrorCode * err)
{
    static const UChar kSubstituteChar1 = 0x1A, kSubstituteChar = 0xFFFD;

    /* could optimize this case, just one uchar */
    if(args->converter->invalidCharLength == 1 && args->converter->subChar1 != 0) {
        ucnv_cbToUWriteUChars(args, &kSubstituteChar1, 1, offsetIndex, err);
    } else {
        ucnv_cbToUWriteUChars(args, &kSubstituteChar, 1, offsetIndex, err);
    }
}

Example #2

File: Socket.cpp Project: TuffLuck/znc

void CIRCSocket::IcuExtToUCallback(
		UConverterToUnicodeArgs* toArgs,
		const char* codeUnits,
		int32_t length,
		UConverterCallbackReason reason,
		UErrorCode* err) {
	// From http://www.mirc.com/colors.html
	// The Control+O key combination in mIRC inserts ascii character 15,
	// which turns off all previous attributes, including color, bold, underline, and italics.
	//
	// \x02 bold
	// \x03 mIRC-compatible color
	// \x04 RRGGBB color
	// \x0F normal/reset (turn off bold, colors, etc.)
	// \x12 reverse (weechat)
	// \x16 reverse (mirc, kvirc)
	// \x1D italic
	// \x1F underline
	// Also see http://www.visualirc.net/tech-attrs.php
	//
	// Keep in sync with CUser::AddTimestamp and CIRCSocket::IcuExtFromUCallback
	static const std::set<char> scAllowedChars = {'\x02', '\x03', '\x04', '\x0F', '\x12', '\x16', '\x1D', '\x1F'};
	if (reason == UCNV_ILLEGAL && length == 1 && scAllowedChars.count(*codeUnits)) {
		*err = U_ZERO_ERROR;
		UChar c = *codeUnits;
		ucnv_cbToUWriteUChars(toArgs, &c, 1, 0, err);
		return;
	}
	Csock::IcuExtToUCallback(toArgs, codeUnits, length, reason, err);
}

Example #3

File: libcore_icu_NativeConverter.cpp Project: AOSP-JF/platform_libcore

static void decoderReplaceCallback(const void* rawContext,
        UConverterToUnicodeArgs* toArgs, const char*, int32_t, UConverterCallbackReason,
        UErrorCode* err) {
    if (!rawContext) {
        return;
    }
    const DecoderCallbackContext* context = reinterpret_cast<const DecoderCallbackContext*>(rawContext);
    *err = U_ZERO_ERROR;
    ucnv_cbToUWriteUChars(toArgs,context->replacementChars, context->replacementCharCount, 0, err);
}

Example #4

File: ucnv_err.c Project: 00zhengfu00/third_party

/*uses uprv_itou to get a unicode escape sequence of the offensive sequence,
 *and uses that as the substitution sequence
 */
U_CAPI void   U_EXPORT2
UCNV_TO_U_CALLBACK_ESCAPE (
                 const void *context,
                 UConverterToUnicodeArgs *toArgs,
                 const char* codeUnits,
                 int32_t length,
                 UConverterCallbackReason reason,
                 UErrorCode * err)
{
    UChar uniValueString[VALUE_STRING_LENGTH];
    int32_t valueStringLength = 0;
    int32_t i = 0;

    if (reason > UCNV_IRREGULAR)
    {
        return;
    }

    if(context==NULL)
    {    
        while (i < length)
        {
            uniValueString[valueStringLength++] = (UChar) UNICODE_PERCENT_SIGN_CODEPOINT; /* adding % */
            uniValueString[valueStringLength++] = (UChar) UNICODE_X_CODEPOINT;    /* adding X */
            valueStringLength += uprv_itou (uniValueString + valueStringLength, VALUE_STRING_LENGTH - valueStringLength, (uint8_t) codeUnits[i++], 16, 2);
        }
    }
    else
    {
        switch(*((char*)context))
        {
        case UCNV_PRV_ESCAPE_XML_DEC:
            while (i < length)
            {
                uniValueString[valueStringLength++] = (UChar) UNICODE_AMP_CODEPOINT;   /* adding & */
                uniValueString[valueStringLength++] = (UChar) UNICODE_HASH_CODEPOINT;  /* adding # */
                valueStringLength += uprv_itou (uniValueString + valueStringLength, VALUE_STRING_LENGTH - valueStringLength, (uint8_t)codeUnits[i++], 10, 0);
                uniValueString[valueStringLength++] = (UChar) UNICODE_SEMICOLON_CODEPOINT; /* adding ; */
            }
            break;

        case UCNV_PRV_ESCAPE_XML_HEX:
            while (i < length)
            {
                uniValueString[valueStringLength++] = (UChar) UNICODE_AMP_CODEPOINT;   /* adding & */
                uniValueString[valueStringLength++] = (UChar) UNICODE_HASH_CODEPOINT;  /* adding # */
                uniValueString[valueStringLength++] = (UChar) UNICODE_X_LOW_CODEPOINT; /* adding x */
                valueStringLength += uprv_itou (uniValueString + valueStringLength, VALUE_STRING_LENGTH - valueStringLength, (uint8_t)codeUnits[i++], 16, 0);
                uniValueString[valueStringLength++] = (UChar) UNICODE_SEMICOLON_CODEPOINT; /* adding ; */
            }
            break;
        case UCNV_PRV_ESCAPE_C:
            while (i < length)
            {
                uniValueString[valueStringLength++] = (UChar) UNICODE_RS_CODEPOINT;    /* adding \ */
                uniValueString[valueStringLength++] = (UChar) UNICODE_X_LOW_CODEPOINT; /* adding x */
                valueStringLength += uprv_itou (uniValueString + valueStringLength, VALUE_STRING_LENGTH - valueStringLength, (uint8_t)codeUnits[i++], 16, 2);
            }
            break;
        default:
            while (i < length)
            {
                uniValueString[valueStringLength++] = (UChar) UNICODE_PERCENT_SIGN_CODEPOINT; /* adding % */
                uniValueString[valueStringLength++] = (UChar) UNICODE_X_CODEPOINT;    /* adding X */
                uprv_itou (uniValueString + valueStringLength, VALUE_STRING_LENGTH - valueStringLength, (uint8_t) codeUnits[i++], 16, 2);
                valueStringLength += 2;
            }
        }
    }
    /* reset the error */
    *err = U_ZERO_ERROR;

    ucnv_cbToUWriteUChars(toArgs, uniValueString, valueStringLength, 0, err);
}