C++ (Cpp) nextCharsAreNumber Examples

Example #1

File: CSSTokenizer.cpp Project: aobzhirov/ChromiumGStreamerBackend

bool CSSTokenizer::nextCharsAreNumber()
{
    UChar first = consume();
    bool areNumber = nextCharsAreNumber(first);
    reconsume(first);
    return areNumber;
}

Example #2

File: CSSTokenizer.cpp Project: aobzhirov/ChromiumGStreamerBackend

CSSParserToken CSSTokenizer::plusOrFullStop(UChar cc)
{
    if (nextCharsAreNumber(cc)) {
        reconsume(cc);
        return consumeNumericToken();
    }
    return CSSParserToken(DelimiterToken, cc);
}

Example #3

File: MediaQueryTokenizer.cpp Project: Miaque/mojo

MediaQueryToken MediaQueryTokenizer::hyphenMinus(UChar cc)
{
    if (nextCharsAreNumber(cc)) {
        reconsume(cc);
        return consumeNumericToken();
    }
    if (nextCharsAreIdentifier(cc)) {
        reconsume(cc);
        return consumeIdentLikeToken();
    }
    return MediaQueryToken(DelimiterToken, cc);
}

Example #4

File: CSSTokenizer.cpp Project: aobzhirov/ChromiumGStreamerBackend

CSSParserToken CSSTokenizer::hyphenMinus(UChar cc)
{
    if (nextCharsAreNumber(cc)) {
        reconsume(cc);
        return consumeNumericToken();
    }
    if (m_input.peek(0) == '-' && m_input.peek(1) == '>') {
        consume(2);
        return CSSParserToken(CDCToken);
    }
    if (nextCharsAreIdentifier(cc)) {
        reconsume(cc);
        return consumeIdentLikeToken();
    }
    return CSSParserToken(DelimiterToken, cc);
}

Example #5

File: MediaQueryTokenizer.cpp Project: Miaque/mojo

// This method merges the following spec sections for efficiency
// http://www.w3.org/TR/css3-syntax/#consume-a-number
// http://www.w3.org/TR/css3-syntax/#convert-a-string-to-a-number
MediaQueryToken MediaQueryTokenizer::consumeNumber()
{
    ASSERT(nextCharsAreNumber());
    NumericValueType type = IntegerValueType;
    double value = 0;
    unsigned offset = 0;
    int exponentSign = 1;
    unsigned fractionDigits;
    int sign = getSign(m_input, offset);
    unsigned long long integerPart = getInteger(m_input, offset);
    double fractionPart = getFraction(m_input, offset, fractionDigits);
    unsigned long long exponentPart = getExponent(m_input, offset, exponentSign);
    double exponent = pow(10, (float)exponentSign * (double)exponentPart);
    value = (double)sign * ((double)integerPart + fractionPart) * exponent;

    m_input.advance(offset);
    if (fractionDigits > 0)
        type = NumberValueType;

    return MediaQueryToken(NumberToken, value, type);
}

Example #6

File: CSSTokenizer.cpp Project: aobzhirov/ChromiumGStreamerBackend

// This method merges the following spec sections for efficiency
// http://www.w3.org/TR/css3-syntax/#consume-a-number
// http://www.w3.org/TR/css3-syntax/#convert-a-string-to-a-number
CSSParserToken CSSTokenizer::consumeNumber()
{
    ASSERT(nextCharsAreNumber());
    NumericValueType type = IntegerValueType;
    double value = 0;
    unsigned offset = 0;
    int exponentSign = 1;
    NumericSign sign = getSign(m_input, offset);
    double integerPart = getInteger(m_input, offset);
    unsigned integerPartEndOffset = offset;

    double fractionPart = getFraction(m_input, offset);
    double exponentPart = getExponent(m_input, offset, exponentSign);
    double exponent = pow(10, (float)exponentSign * (double)exponentPart);
    value = ((double)integerPart + fractionPart) * exponent;
    if (sign == MinusSign)
        value = -value;

    m_input.advance(offset);
    if (offset != integerPartEndOffset)
        type = NumberValueType;

    return CSSParserToken(NumberToken, value, type, sign);
}