Ejemplo n.º 1
0
QCollatorSortKey QCollator::sortKey(const QString &string) const
{
    QVarLengthArray<wchar_t> original;
    stringToWCharArray(original, string);
    QVector<wchar_t> result(string.size());
    size_t size = std::wcsxfrm(result.data(), original.constData(), string.size());
    if (size > uint(result.size())) {
        result.resize(size+1);
        size = std::wcsxfrm(result.data(), original.constData(), string.size());
    }
    result.resize(size+1);
    result[size] = 0;
    return QCollatorSortKey(new QCollatorSortKeyPrivate(result));
}
Ejemplo n.º 2
0
/*
    array = begin-array [ value *( value-separator value ) ] end-array
*/
bool Parser::parseArray()
{
    BEGIN << "parseArray";

    if (++nestingLevel > nestingLimit) {
        lastError = QJsonParseError::DeepNesting;
        return false;
    }

    int arrayOffset = reserveSpace(sizeof(QJsonPrivate::Array));

    QVarLengthArray<QJsonPrivate::Value, 64> values;

    if (!eatSpace()) {
        lastError = QJsonParseError::UnterminatedArray;
        return false;
    }
    if (*json == EndArray) {
        nextToken();
    } else {
        while (1) {
            QJsonPrivate::Value val;
            if (!parseValue(&val, arrayOffset))
                return false;
            values.append(val);
            char token = nextToken();
            if (token == EndArray)
                break;
            else if (token != ValueSeparator) {
                if (!eatSpace())
                    lastError = QJsonParseError::UnterminatedArray;
                else
                    lastError = QJsonParseError::MissingValueSeparator;
                return false;
            }
        }
    }

    DEBUG << "size =" << values.size();
    int table = arrayOffset;
    // finalize the object
    if (values.size()) {
        int tableSize = values.size()*sizeof(QJsonPrivate::Value);
        table = reserveSpace(tableSize);
        memcpy(data + table, values.constData(), tableSize);
    }

    QJsonPrivate::Array *a = (QJsonPrivate::Array *)(data + arrayOffset);
    a->tableOffset = table - arrayOffset;
    a->size = current - arrayOffset;
    a->is_object = false;
    a->length = values.size();

    DEBUG << "current=" << current;
    END;

    --nestingLevel;
    return true;
}
Ejemplo n.º 3
0
NATRON_NAMESPACE_ANONYMOUS_ENTER

#if defined(Q_OS_WIN)
static QString
qSystemDirectory()
{
    QVarLengthArray<wchar_t, MAX_PATH> fullPath;
    UINT retLen = ::GetSystemDirectoryW(fullPath.data(), MAX_PATH);
    if (retLen > MAX_PATH) {
        fullPath.resize(retLen);
        retLen = ::GetSystemDirectoryW(fullPath.data(), retLen);
    }
    if (!fullPath.constData()) {
        return QString();
    }
    std::wstring ws(fullPath.constData(), retLen);
    return QString::fromStdWString(ws);
}
Ejemplo n.º 4
0
static inline QString qSystemDirectory()
{
    QVarLengthArray<wchar_t, MAX_PATH> fullPath;

    UINT retLen = ::GetSystemDirectory(fullPath.data(), MAX_PATH);
    if (retLen > MAX_PATH) {
        fullPath.resize(retLen);
        retLen = ::GetSystemDirectory(fullPath.data(), retLen);
    }
    // in some rare cases retLen might be 0
    return QString::fromWCharArray(fullPath.constData(), int(retLen));
}
Ejemplo n.º 5
0
 QVariant parseNumber()
 {
     QVarLengthArray<QChar> str;
     QChar c = next();
     if(c == '-')
     {
         str.append(c);
         c = nextNoSkip();
     }
     for(; c.isDigit(); c = nextNoSkip())
     {
         str.append(c);
     }
     bool hasDecimal = false;
     if(c == '.')
     {
         str.append(c);
         hasDecimal = true;
         c = nextNoSkip();
         for(; c.isDigit(); c = nextNoSkip())
         {
             str.append(c);
         }
     }
     if(c == 'e' || c == 'E')
     {
         // Exponent.
         str.append(c);
         c = nextNoSkip();
         if(c == '+' || c == '-')
         {
             str.append(c);
             c = nextNoSkip();
         }
         for(; c.isDigit(); c = nextNoSkip())
         {
             str.append(c);
         }
     }
     // Rewind one char (the loop was broken when a non-digit was read).
     pos--;
     skipWhite();
     double value = QString(str.constData(), str.size()).toDouble();
     if(hasDecimal)
     {
         return QVariant(value);
     }
     else
     {
         return QVariant(int(value));
     }
 }
Ejemplo n.º 6
0
void QtBasicGraph::paintEvent(QPaintEvent *e)
{
    QPainter p(this);

    if (m_render_hints)
        p.setRenderHints(m_render_hints);

    p.fillRect(e->rect(), palette().background());

    if (m_values.size() < 2)
        return;

    p.setPen(palette().color(QPalette::Text));

    qreal scalex = qreal(width()) / m_xrange;
    qreal scaley = qreal(height()) / (m_ymax - m_ymin);

    qreal dx = qreal(3) / scalex;
    qreal dy = qreal(3) / scaley;

    QRectF bound(e->rect().x() / scalex, m_ymin + e->rect().y() / scaley, e->rect().width() / scalex, e->rect().height() / scaley);

    QPointF last = m_values.last();

    qreal tx = m_xrange - last.x();
    qreal ty = m_ymin;


    p.scale(scalex, -scaley);
    p.translate(tx, ty);

    QVarLengthArray<QLineF> lines;
    
    for (int i = m_values.size() - 1; i >= 0; --i) {
        QPointF pt = m_values[i];
        QRectF linerect(last, pt);
        linerect = linerect.normalized().translated(tx, 0);
        linerect.adjust(-dx, -dy, dx, dy);

        if (bound.intersects(linerect))
            lines.append(QLineF(last, pt));
        last = pt;
    }

//    if (lines.size() < (m_values.size()-1))
//        qWarning("skipped %d lines", (m_values.size()-1) -lines.size());

    p.drawLines(lines.constData(), lines.size());
}
Ejemplo n.º 7
0
 QVariant parseString()
 {
     QVarLengthArray<QChar, 1024> result;
     QChar c = next();
     DENG2_ASSERT(c == '\"');
     forever
     {
         c = nextNoSkip();
         if(c == '\\')
         {
             // Escape.
             c = nextNoSkip();
             if(c == '\"' || c == '\\' || c == '/')
                 result.append(c);
             else if(c == 'b')
                 result.append('\b');
             else if(c == 'f')
                 result.append('\f');
             else if(c == 'n')
                 result.append('\n');
             else if(c == 'r')
                 result.append('\r');
             else if(c == 't')
                 result.append('\t');
             else if(c == 'u')
             {
                 QString code = source.mid(pos, 4);
                 pos += 4;
                 result.append(QChar(ushort(code.toLong(0, 16))));
             }
             else error("unknown escape sequence in string");
         }
         else if(c == '\"')
         {
             // End of string.
             break;
         }
         else
         {
             result.append(c);
         }
     }
     return QString(result.constData(), result.size());
 }
Ejemplo n.º 8
0
int Lexer::scanNumber(QChar ch)
{
    if (ch != QLatin1Char('0')) {
        QVarLengthArray<char, 64> buf;
        buf += ch.toLatin1();

        QChar n = _char;
        const QChar *code = _codePtr;
        while (n.isDigit()) {
            buf += n.toLatin1();
            n = *code++;
        }

        if (n != QLatin1Char('.') && n != QLatin1Char('e') && n != QLatin1Char('E')) {
            if (code != _codePtr) {
                _codePtr = code - 1;
                scanChar();
            }
            buf.append('\0');
            _tokenValue = strtod(buf.constData(), 0);
            return T_NUMERIC_LITERAL;
        }
    } else if (_char.isDigit() && !qmlMode()) {
        _errorCode = IllegalCharacter;
        _errorMessage = QCoreApplication::translate("QmlParser", "Decimal numbers cannot start with \"0\".");
        return T_ERROR;
    }

    QVarLengthArray<char,32> chars;
    chars.append(ch.unicode());

    if (ch == QLatin1Char('0') && (_char == QLatin1Char('x') || _char == QLatin1Char('X'))) {
        ch = _char; // remember the x or X to use it in the error message below.

        // parse hex integer literal
        chars.append(_char.unicode());
        scanChar(); // consume `x'

        while (isHexDigit(_char)) {
            chars.append(_char.unicode());
            scanChar();
        }

        if (chars.size() < 3) {
            _errorCode = IllegalHexNumber;
            _errorMessage = QCoreApplication::translate("QmlParser", "At least one hexadecimal digit is required after \"0%1\".").arg(ch);
            return T_ERROR;
        }

        _tokenValue = integerFromString(chars.constData(), chars.size(), 16);
        return T_NUMERIC_LITERAL;
    }

    // decimal integer literal
    while (_char.isDigit()) {
        chars.append(_char.unicode());
        scanChar(); // consume the digit
    }

    if (_char == QLatin1Char('.')) {
        chars.append(_char.unicode());
        scanChar(); // consume `.'

        while (_char.isDigit()) {
            chars.append(_char.unicode());
            scanChar();
        }

        if (_char == QLatin1Char('e') || _char == QLatin1Char('E')) {
            if (_codePtr[0].isDigit() || ((_codePtr[0] == QLatin1Char('+') || _codePtr[0] == QLatin1Char('-')) &&
                                          _codePtr[1].isDigit())) {

                chars.append(_char.unicode());
                scanChar(); // consume `e'

                if (_char == QLatin1Char('+') || _char == QLatin1Char('-')) {
                    chars.append(_char.unicode());
                    scanChar(); // consume the sign
                }

                while (_char.isDigit()) {
                    chars.append(_char.unicode());
                    scanChar();
                }
            }
        }
    } else if (_char == QLatin1Char('e') || _char == QLatin1Char('E')) {
        if (_codePtr[0].isDigit() || ((_codePtr[0] == QLatin1Char('+') || _codePtr[0] == QLatin1Char('-')) &&
                                      _codePtr[1].isDigit())) {

            chars.append(_char.unicode());
            scanChar(); // consume `e'

            if (_char == QLatin1Char('+') || _char == QLatin1Char('-')) {
                chars.append(_char.unicode());
                scanChar(); // consume the sign
            }

            while (_char.isDigit()) {
                chars.append(_char.unicode());
                scanChar();
            }
        }
    }

    if (chars.size() == 1) {
        // if we ended up with a single digit, then it was a '0'
        _tokenValue = 0;
        return T_NUMERIC_LITERAL;
    }

    chars.append('\0');

    const char *begin = chars.constData();
    const char *end = 0;
    bool ok = false;

    _tokenValue = qstrtod(begin, &end, &ok);

    if (end - begin != chars.size() - 1) {
        _errorCode = IllegalExponentIndicator;
        _errorMessage = QCoreApplication::translate("QmlParser", "Illegal syntax for exponential number.");
        return T_ERROR;
    }

    return T_NUMERIC_LITERAL;
}
Ejemplo n.º 9
0
int Lexer::scanToken()
{
    if (_stackToken != -1) {
        int tk = _stackToken;
        _stackToken = -1;
        return tk;
    }

    _terminator = false;

again:
    _validTokenText = false;
    _tokenLinePtr = _lastLinePtr;

    while (_char.isSpace()) {
        if (unsigned sequenceLength = isLineTerminatorSequence()) {
            _tokenLinePtr = _codePtr + sequenceLength - 1;

            if (_restrictedKeyword) {
                // automatic semicolon insertion
                _tokenLine = _currentLineNumber;
                _tokenStartPtr = _codePtr - 1;
                return T_SEMICOLON;
            } else {
                _terminator = true;
                syncProhibitAutomaticSemicolon();
            }
        }

        scanChar();
    }

    _tokenStartPtr = _codePtr - 1;
    _tokenLine = _currentLineNumber;

    if (_codePtr > _endPtr)
        return EOF_SYMBOL;

    const QChar ch = _char;
    scanChar();

    switch (ch.unicode()) {
    case '~': return T_TILDE;
    case '}': return T_RBRACE;

    case '|':
        if (_char == QLatin1Char('|')) {
            scanChar();
            return T_OR_OR;
        } else if (_char == QLatin1Char('=')) {
            scanChar();
            return T_OR_EQ;
        }
        return T_OR;

    case '{': return T_LBRACE;

    case '^':
        if (_char == QLatin1Char('=')) {
            scanChar();
            return T_XOR_EQ;
        }
        return T_XOR;

    case ']': return T_RBRACKET;
    case '[': return T_LBRACKET;
    case '?': return T_QUESTION;

    case '>':
        if (_char == QLatin1Char('>')) {
            scanChar();
            if (_char == QLatin1Char('>')) {
                scanChar();
                if (_char == QLatin1Char('=')) {
                    scanChar();
                    return T_GT_GT_GT_EQ;
                }
                return T_GT_GT_GT;
            } else if (_char == QLatin1Char('=')) {
                scanChar();
                return T_GT_GT_EQ;
            }
            return T_GT_GT;
        } else if (_char == QLatin1Char('=')) {
            scanChar();
            return T_GE;
        }
        return T_GT;

    case '=':
        if (_char == QLatin1Char('=')) {
            scanChar();
            if (_char == QLatin1Char('=')) {
                scanChar();
                return T_EQ_EQ_EQ;
            }
            return T_EQ_EQ;
        }
        return T_EQ;

    case '<':
        if (_char == QLatin1Char('=')) {
            scanChar();
            return T_LE;
        } else if (_char == QLatin1Char('<')) {
            scanChar();
            if (_char == QLatin1Char('=')) {
                scanChar();
                return T_LT_LT_EQ;
            }
            return T_LT_LT;
        }
        return T_LT;

    case ';': return T_SEMICOLON;
    case ':': return T_COLON;

    case '/':
        if (_char == QLatin1Char('*')) {
            scanChar();
            while (_codePtr <= _endPtr) {
                if (_char == QLatin1Char('*')) {
                    scanChar();
                    if (_char == QLatin1Char('/')) {
                        scanChar();

                        if (_engine) {
                            _engine->addComment(tokenOffset() + 2, _codePtr - _tokenStartPtr - 1 - 4,
                                                tokenStartLine(), tokenStartColumn() + 2);
                        }

                        goto again;
                    }
                } else {
                    scanChar();
                }
            }
        } else if (_char == QLatin1Char('/')) {
            while (_codePtr <= _endPtr && !isLineTerminator()) {
                scanChar();
            }
            if (_engine) {
                _engine->addComment(tokenOffset() + 2, _codePtr - _tokenStartPtr - 1 - 2,
                                    tokenStartLine(), tokenStartColumn() + 2);
            }
            goto again;
        } if (_char == QLatin1Char('=')) {
            scanChar();
            return T_DIVIDE_EQ;
        }
        return T_DIVIDE_;

    case '.':
        if (_char.isDigit()) {
            QVarLengthArray<char,32> chars;

            chars.append(ch.unicode()); // append the `.'

            while (_char.isDigit()) {
                chars.append(_char.unicode());
                scanChar();
            }

            if (_char == QLatin1Char('e') || _char == QLatin1Char('E')) {
                if (_codePtr[0].isDigit() || ((_codePtr[0] == QLatin1Char('+') || _codePtr[0] == QLatin1Char('-')) &&
                                              _codePtr[1].isDigit())) {

                    chars.append(_char.unicode());
                    scanChar(); // consume `e'

                    if (_char == QLatin1Char('+') || _char == QLatin1Char('-')) {
                        chars.append(_char.unicode());
                        scanChar(); // consume the sign
                    }

                    while (_char.isDigit()) {
                        chars.append(_char.unicode());
                        scanChar();
                    }
                }
            }

            chars.append('\0');

            const char *begin = chars.constData();
            const char *end = 0;
            bool ok = false;

            _tokenValue = qstrtod(begin, &end, &ok);

            if (end - begin != chars.size() - 1) {
                _errorCode = IllegalExponentIndicator;
                _errorMessage = QCoreApplication::translate("QmlParser", "Illegal syntax for exponential number.");
                return T_ERROR;
            }

            return T_NUMERIC_LITERAL;
        }
        return T_DOT;

    case '-':
        if (_char == QLatin1Char('=')) {
            scanChar();
            return T_MINUS_EQ;
        } else if (_char == QLatin1Char('-')) {
            scanChar();

            if (_terminator && !_delimited && !_prohibitAutomaticSemicolon) {
                _stackToken = T_MINUS_MINUS;
                return T_SEMICOLON;
            }

            return T_MINUS_MINUS;
        }
        return T_MINUS;

    case ',': return T_COMMA;

    case '+':
        if (_char == QLatin1Char('=')) {
            scanChar();
            return T_PLUS_EQ;
        } else if (_char == QLatin1Char('+')) {
            scanChar();

            if (_terminator && !_delimited && !_prohibitAutomaticSemicolon) {
                _stackToken = T_PLUS_PLUS;
                return T_SEMICOLON;
            }

            return T_PLUS_PLUS;
        }
        return T_PLUS;

    case '*':
        if (_char == QLatin1Char('=')) {
            scanChar();
            return T_STAR_EQ;
        }
        return T_STAR;

    case ')': return T_RPAREN;
    case '(': return T_LPAREN;

    case '&':
        if (_char == QLatin1Char('=')) {
            scanChar();
            return T_AND_EQ;
        } else if (_char == QLatin1Char('&')) {
            scanChar();
            return T_AND_AND;
        }
        return T_AND;

    case '%':
        if (_char == QLatin1Char('=')) {
            scanChar();
            return T_REMAINDER_EQ;
        }
        return T_REMAINDER;

    case '!':
        if (_char == QLatin1Char('=')) {
            scanChar();
            if (_char == QLatin1Char('=')) {
                scanChar();
                return T_NOT_EQ_EQ;
            }
            return T_NOT_EQ;
        }
        return T_NOT;

    case '\'':
    case '"': {
        const QChar quote = ch;
        bool multilineStringLiteral = false;

        const QChar *startCode = _codePtr;

        if (_engine) {
            while (_codePtr <= _endPtr) {
                if (isLineTerminator()) {
                    if (qmlMode())
                        break;
                    _errorCode = IllegalCharacter;
                    _errorMessage = QCoreApplication::translate("QmlParser", "Stray newline in string literal.");
                    return T_ERROR;
                } else if (_char == QLatin1Char('\\')) {
                    break;
                } else if (_char == quote) {
                    _tokenSpell = _engine->midRef(startCode - _code.unicode() - 1, _codePtr - startCode);
                    scanChar();

                    return T_STRING_LITERAL;
                }
                scanChar();
            }
        }

        _validTokenText = true;
        _tokenText.resize(0);
        startCode--;
        while (startCode != _codePtr - 1)
            _tokenText += *startCode++;

        while (_codePtr <= _endPtr) {
            if (unsigned sequenceLength = isLineTerminatorSequence()) {
                multilineStringLiteral = true;
                _tokenText += _char;
                if (sequenceLength == 2)
                    _tokenText += *_codePtr;
                scanChar();
            } else if (_char == quote) {
                scanChar();

                if (_engine)
                    _tokenSpell = _engine->newStringRef(_tokenText);

                return multilineStringLiteral ? T_MULTILINE_STRING_LITERAL : T_STRING_LITERAL;
            } else if (_char == QLatin1Char('\\')) {
                scanChar();

                QChar u;

                switch (_char.unicode()) {
                // unicode escape sequence
                case 'u': {
                    bool ok = false;
                    u = decodeUnicodeEscapeCharacter(&ok);
                    if (! ok) {
                        _errorCode = IllegalUnicodeEscapeSequence;
                        _errorMessage = QCoreApplication::translate("QmlParser", "Illegal unicode escape sequence.");
                        return T_ERROR;
                    }
                } break;

                // hex escape sequence
                case 'x': {
                    bool ok = false;
                    u = decodeHexEscapeCharacter(&ok);
                    if (!ok) {
                        _errorCode = IllegalHexadecimalEscapeSequence;
                        _errorMessage = QCoreApplication::translate("QmlParser", "Illegal hexadecimal escape sequence.");
                        return T_ERROR;
                    }
                } break;

                // single character escape sequence
                case '\\': u = QLatin1Char('\\'); scanChar(); break;
                case '\'': u = QLatin1Char('\''); scanChar(); break;
                case '\"': u = QLatin1Char('\"'); scanChar(); break;
                case 'b':  u = QLatin1Char('\b'); scanChar(); break;
                case 'f':  u = QLatin1Char('\f'); scanChar(); break;
                case 'n':  u = QLatin1Char('\n'); scanChar(); break;
                case 'r':  u = QLatin1Char('\r'); scanChar(); break;
                case 't':  u = QLatin1Char('\t'); scanChar(); break;
                case 'v':  u = QLatin1Char('\v'); scanChar(); break;

                case '0':
                    if (! _codePtr->isDigit()) {
                        scanChar();
                        u = QLatin1Char('\0');
                        break;
                    }
                    // fall through
                case '1':
                case '2':
                case '3':
                case '4':
                case '5':
                case '6':
                case '7':
                case '8':
                case '9':
                    _errorCode = IllegalEscapeSequence;
                    _errorMessage = QCoreApplication::translate("QmlParser", "Octal escape sequences are not allowed.");
                    return T_ERROR;

                case '\r':
                case '\n':
                case 0x2028u:
                case 0x2029u:
                    scanChar();
                    continue;

                default:
                    // non escape character
                    u = _char;
                    scanChar();
                }

                _tokenText += u;
            } else {
                _tokenText += _char;
                scanChar();
            }
        }

        _errorCode = UnclosedStringLiteral;
        _errorMessage = QCoreApplication::translate("QmlParser", "Unclosed string at end of line.");
        return T_ERROR;
    }
    case '0':
    case '1':
    case '2':
    case '3':
    case '4':
    case '5':
    case '6':
    case '7':
    case '8':
    case '9':
        return scanNumber(ch);

    default: {
        QChar c = ch;
        bool identifierWithEscapeChars = false;
        if (c == QLatin1Char('\\') && _char == QLatin1Char('u')) {
            identifierWithEscapeChars = true;
            bool ok = false;
            c = decodeUnicodeEscapeCharacter(&ok);
            if (! ok) {
                _errorCode = IllegalUnicodeEscapeSequence;
                _errorMessage = QCoreApplication::translate("QmlParser", "Illegal unicode escape sequence.");
                return T_ERROR;
            }
        }
        if (isIdentifierStart(c)) {
            if (identifierWithEscapeChars) {
                _tokenText.resize(0);
                _tokenText += c;
                _validTokenText = true;
            }
            while (true) {
                c = _char;
                if (_char == QLatin1Char('\\') && _codePtr[0] == QLatin1Char('u')) {
                    if (! identifierWithEscapeChars) {
                        identifierWithEscapeChars = true;
                        _tokenText.resize(0);
                        _tokenText.insert(0, _tokenStartPtr, _codePtr - _tokenStartPtr - 1);
                        _validTokenText = true;
                    }

                    scanChar(); // skip '\\'
                    bool ok = false;
                    c = decodeUnicodeEscapeCharacter(&ok);
                    if (! ok) {
                        _errorCode = IllegalUnicodeEscapeSequence;
                        _errorMessage = QCoreApplication::translate("QmlParser", "Illegal unicode escape sequence.");
                        return T_ERROR;
                    }
                    if (isIdentifierPart(c))
                        _tokenText += c;
                    continue;
                } else if (isIdentifierPart(c)) {
                    if (identifierWithEscapeChars)
                        _tokenText += c;

                    scanChar();
                    continue;
                }

                _tokenLength = _codePtr - _tokenStartPtr - 1;

                int kind = T_IDENTIFIER;

                if (! identifierWithEscapeChars)
                    kind = classify(_tokenStartPtr, _tokenLength, _qmlMode);

                if (_engine) {
                    if (kind == T_IDENTIFIER && identifierWithEscapeChars)
                        _tokenSpell = _engine->newStringRef(_tokenText);
                    else
                        _tokenSpell = _engine->midRef(_tokenStartPtr - _code.unicode(), _tokenLength);
                }

                return kind;
            }
        }
        }

        break;
    }

    return T_ERROR;
}
void tst_QVarLengthArray::oldTests()
{
    {
	QVarLengthArray<int, 256> sa(128);
	QVERIFY(sa.data() == &sa[0]);
	sa[0] = 0xfee;
	sa[10] = 0xff;
	QVERIFY(sa[0] == 0xfee);
	QVERIFY(sa[10] == 0xff);
	sa.resize(512);
	QVERIFY(sa.data() == &sa[0]);
	QVERIFY(sa[0] == 0xfee);
	QVERIFY(sa[10] == 0xff);
        QVERIFY(sa.at(0) == 0xfee);
        QVERIFY(sa.at(10) == 0xff);
        QVERIFY(sa.value(0) == 0xfee);
        QVERIFY(sa.value(10) == 0xff);
        QVERIFY(sa.value(1000) == 0);
        QVERIFY(sa.value(1000, 12) == 12);
	QVERIFY(sa.size() == 512);
	sa.reserve(1024);
	QVERIFY(sa.capacity() == 1024);
	QVERIFY(sa.size() == 512);
    }
    {
	QVarLengthArray<QString> sa(10);
	sa[0] = "Hello";
	sa[9] = "World";
	QVERIFY(*sa.data() == "Hello");
	QVERIFY(sa[9] == "World");
	sa.reserve(512);
	QVERIFY(*sa.data() == "Hello");
	QVERIFY(sa[9] == "World");
	sa.resize(512);
	QVERIFY(*sa.data() == "Hello");
	QVERIFY(sa[9] == "World");
    }
    {
        int arr[2] = {1, 2};
        QVarLengthArray<int> sa(10);
        QCOMPARE(sa.size(), 10);
        sa.append(arr, 2);
        QCOMPARE(sa.size(), 12);
        QCOMPARE(sa[10], 1);
        QCOMPARE(sa[11], 2);
    }
    {
        QString arr[2] = { QString("hello"), QString("world") };
        QVarLengthArray<QString> sa(10);
        QCOMPARE(sa.size(), 10);
        sa.append(arr, 2);
        QCOMPARE(sa.size(), 12);
        QCOMPARE(sa[10], QString("hello"));
        QCOMPARE(sa[11], QString("world"));
        QCOMPARE(sa.at(10), QString("hello"));
        QCOMPARE(sa.at(11), QString("world"));
        QCOMPARE(sa.value(10), QString("hello"));
        QCOMPARE(sa.value(11), QString("world"));
        QCOMPARE(sa.value(10000), QString());
        QCOMPARE(sa.value(1212112, QString("none")), QString("none"));
        QCOMPARE(sa.value(-12, QString("neg")), QString("neg"));

        sa.append(arr, 1);
        QCOMPARE(sa.size(), 13);
        QCOMPARE(sa[12], QString("hello"));

        sa.append(arr, 0);
        QCOMPARE(sa.size(), 13);
    }
    {
        // assignment operator and copy constructor

        QVarLengthArray<int> sa(10);
        sa[5] = 5;

        QVarLengthArray<int> sa2(10);
        sa2[5] = 6;
        sa2 = sa;
        QCOMPARE(sa2[5], 5);

        QVarLengthArray<int> sa3(sa);
        QCOMPARE(sa3[5], 5);
    }

    QSKIP("This test causes the machine to crash when allocating too much memory.", SkipSingle);
    {
        QVarLengthArray<Foo> a;
        const int N = 0x7fffffff / sizeof(Foo);
        const int Prealloc = a.capacity();
        const Foo *data0 = a.constData();

        a.resize(N);
        if (a.size() == N) {
            QVERIFY(a.capacity() >= N);
            QCOMPARE(fooCtor, N);
            QCOMPARE(fooDtor, 0);

            for (int i = 0; i < N; i += 35000)
                a[i] = Foo();
        } else {
            // this is the case we're actually testing
            QCOMPARE(a.size(), 0);
            QCOMPARE(a.capacity(), Prealloc);
            QCOMPARE(a.constData(), data0);
            QCOMPARE(fooCtor, 0);
            QCOMPARE(fooDtor, 0);

            a.resize(5);
            QCOMPARE(a.size(), 5);
            QCOMPARE(a.capacity(), Prealloc);
            QCOMPARE(a.constData(), data0);
            QCOMPARE(fooCtor, 5);
            QCOMPARE(fooDtor, 0);

            a.resize(Prealloc + 1);
            QCOMPARE(a.size(), Prealloc + 1);
            QVERIFY(a.capacity() >= Prealloc + 1);
            QVERIFY(a.constData() != data0);
            QCOMPARE(fooCtor, Prealloc + 6);
            QCOMPARE(fooDtor, 5);

            const Foo *data1 = a.constData();

            a.resize(0x10000000);
            QCOMPARE(a.size(), 0);
            QVERIFY(a.capacity() >= Prealloc + 1);
            QVERIFY(a.constData() == data1);
            QCOMPARE(fooCtor, Prealloc + 6);
            QCOMPARE(fooDtor, Prealloc + 6);
        }
    }
}
Ejemplo n.º 11
0
bool QEventDispatcherWin32::processEvents(QEventLoop::ProcessEventsFlags flags)
{
    Q_D(QEventDispatcherWin32);

    if (!d->internalHwnd)
        createInternalHwnd();

    d->interrupt = false;
    emit awake();

    bool canWait;
    bool retVal = false;
    bool seenWM_QT_SENDPOSTEDEVENTS = false;
    bool needWM_QT_SENDPOSTEDEVENTS = false;
    do {
        DWORD waitRet = 0;
        HANDLE pHandles[MAXIMUM_WAIT_OBJECTS - 1];
        QVarLengthArray<MSG> processedTimers;
        while (!d->interrupt) {
            DWORD nCount = d->winEventNotifierList.count();
            Q_ASSERT(nCount < MAXIMUM_WAIT_OBJECTS - 1);

            MSG msg;
            bool haveMessage;

            if (!(flags & QEventLoop::ExcludeUserInputEvents) && !d->queuedUserInputEvents.isEmpty()) {
                // process queued user input events
                haveMessage = true;
                msg = d->queuedUserInputEvents.takeFirst();
            } else if(!(flags & QEventLoop::ExcludeSocketNotifiers) && !d->queuedSocketEvents.isEmpty()) {
                // process queued socket events
                haveMessage = true;
                msg = d->queuedSocketEvents.takeFirst();
            } else {
                haveMessage = PeekMessage(&msg, 0, 0, 0, PM_REMOVE);
                if (haveMessage && (flags & QEventLoop::ExcludeUserInputEvents)
                    && ((msg.message >= WM_KEYFIRST
                         && msg.message <= WM_KEYLAST)
                        || (msg.message >= WM_MOUSEFIRST
                            && msg.message <= WM_MOUSELAST)
                        || msg.message == WM_MOUSEWHEEL
                        || msg.message == WM_MOUSEHWHEEL
                        || msg.message == WM_TOUCH
#ifndef QT_NO_GESTURES
                        || msg.message == WM_GESTURE
                        || msg.message == WM_GESTURENOTIFY
#endif
                        || msg.message == WM_CLOSE)) {
                    // queue user input events for later processing
                    haveMessage = false;
                    d->queuedUserInputEvents.append(msg);
                }
                if (haveMessage && (flags & QEventLoop::ExcludeSocketNotifiers)
                    && (msg.message == WM_QT_SOCKETNOTIFIER && msg.hwnd == d->internalHwnd)) {
                    // queue socket events for later processing
                    haveMessage = false;
                    d->queuedSocketEvents.append(msg);
                }
            }
            if (!haveMessage) {
                // no message - check for signalled objects
                for (int i=0; i<(int)nCount; i++)
                    pHandles[i] = d->winEventNotifierList.at(i)->handle();
                waitRet = MsgWaitForMultipleObjectsEx(nCount, pHandles, 0, QS_ALLINPUT, MWMO_ALERTABLE);
                if ((haveMessage = (waitRet == WAIT_OBJECT_0 + nCount))) {
                    // a new message has arrived, process it
                    continue;
                }
            }
            if (haveMessage) {
#ifdef Q_OS_WINCE
                // WinCE doesn't support hooks at all, so we have to call this by hand :(
                (void) qt_GetMessageHook(0, PM_REMOVE, (LPARAM) &msg);
#endif

                if (d->internalHwnd == msg.hwnd && msg.message == WM_QT_SENDPOSTEDEVENTS) {
                    if (seenWM_QT_SENDPOSTEDEVENTS) {
                        // when calling processEvents() "manually", we only want to send posted
                        // events once
                        needWM_QT_SENDPOSTEDEVENTS = true;
                        continue;
                    }
                    seenWM_QT_SENDPOSTEDEVENTS = true;
                } else if (msg.message == WM_TIMER) {
                    // avoid live-lock by keeping track of the timers we've already sent
                    bool found = false;
                    for (int i = 0; !found && i < processedTimers.count(); ++i) {
                        const MSG processed = processedTimers.constData()[i];
                        found = (processed.wParam == msg.wParam && processed.hwnd == msg.hwnd && processed.lParam == msg.lParam);
                    }
                    if (found)
                        continue;
                    processedTimers.append(msg);
                } else if (msg.message == WM_QUIT) {
                    if (QCoreApplication::instance())
                        QCoreApplication::instance()->quit();
                    return false;
                }

                if (!filterEvent(&msg)) {
                    TranslateMessage(&msg);
                    DispatchMessage(&msg);
                }
            } else if (waitRet >= WAIT_OBJECT_0 && waitRet < WAIT_OBJECT_0 + nCount) {
                d->activateEventNotifier(d->winEventNotifierList.at(waitRet - WAIT_OBJECT_0));
            } else {
                // nothing todo so break
                break;
            }
            retVal = true;
        }

        // still nothing - wait for message or signalled objects
        canWait = (!retVal
                   && !d->interrupt
                   && (flags & QEventLoop::WaitForMoreEvents));
        if (canWait) {
            DWORD nCount = d->winEventNotifierList.count();
            Q_ASSERT(nCount < MAXIMUM_WAIT_OBJECTS - 1);
            for (int i=0; i<(int)nCount; i++)
                pHandles[i] = d->winEventNotifierList.at(i)->handle();

            emit aboutToBlock();
            waitRet = MsgWaitForMultipleObjectsEx(nCount, pHandles, INFINITE, QS_ALLINPUT, MWMO_ALERTABLE | MWMO_INPUTAVAILABLE);
            emit awake();
            if (waitRet >= WAIT_OBJECT_0 && waitRet < WAIT_OBJECT_0 + nCount) {
                d->activateEventNotifier(d->winEventNotifierList.at(waitRet - WAIT_OBJECT_0));
                retVal = true;
            }
        }
    } while (canWait);

    if (!seenWM_QT_SENDPOSTEDEVENTS && (flags & QEventLoop::EventLoopExec) == 0) {
        // when called "manually", always send posted events
        QCoreApplicationPrivate::sendPostedEvents(0, 0, d->threadData);
    }

    if (needWM_QT_SENDPOSTEDEVENTS)
        PostMessage(d->internalHwnd, WM_QT_SENDPOSTEDEVENTS, 0, 0);

    return retVal;
}
Ejemplo n.º 12
0
int Lexer::scanToken()
{
    if (_stackToken != -1) {
        int tk = _stackToken;
        _stackToken = -1;
        return tk;
    }

    _terminator = false;

again:
    _validTokenText = false;
    _tokenLinePtr = _lastLinePtr;

    while (_char.isSpace()) {
        if (_char == QLatin1Char('\n')) {
            _tokenLinePtr = _codePtr;

            if (_restrictedKeyword) {
                // automatic semicolon insertion
                _tokenLine = _currentLineNumber;
                _tokenStartPtr = _codePtr - 1; // ### TODO: insert it before the optional \r sequence.
                return T_SEMICOLON;
            } else {
                _terminator = true;
                syncProhibitAutomaticSemicolon();
            }
        }

        scanChar();
    }

    _tokenStartPtr = _codePtr - 1;
    _tokenLine = _currentLineNumber;

    if (_char.isNull())
        return EOF_SYMBOL;

    const QChar ch = _char;
    scanChar();

    switch (ch.unicode()) {
    case '~': return T_TILDE;
    case '}': return T_RBRACE;

    case '|':
        if (_char == QLatin1Char('|')) {
            scanChar();
            return T_OR_OR;
        } else if (_char == QLatin1Char('=')) {
            scanChar();
            return T_OR_EQ;
        }
        return T_OR;

    case '{': return T_LBRACE;

    case '^':
        if (_char == QLatin1Char('=')) {
            scanChar();
            return T_XOR_EQ;
        }
        return T_XOR;

    case ']': return T_RBRACKET;
    case '[': return T_LBRACKET;
    case '?': return T_QUESTION;

    case '>':
        if (_char == QLatin1Char('>')) {
            scanChar();
            if (_char == QLatin1Char('>')) {
                scanChar();
                if (_char == QLatin1Char('=')) {
                    scanChar();
                    return T_GT_GT_GT_EQ;
                }
                return T_GT_GT_GT;
            } else if (_char == QLatin1Char('=')) {
                scanChar();
                return T_GT_GT_EQ;
            }
            return T_GT_GT;
        } else if (_char == QLatin1Char('=')) {
            scanChar();
            return T_GE;
        }
        return T_GT;

    case '=':
        if (_char == QLatin1Char('=')) {
            scanChar();
            if (_char == QLatin1Char('=')) {
                scanChar();
                return T_EQ_EQ_EQ;
            }
            return T_EQ_EQ;
        }
        return T_EQ;

    case '<':
        if (_char == QLatin1Char('=')) {
            scanChar();
            return T_LE;
        } else if (_char == QLatin1Char('<')) {
            scanChar();
            if (_char == QLatin1Char('=')) {
                scanChar();
                return T_LT_LT_EQ;
            }
            return T_LT_LT;
        }
        return T_LT;

    case ';': return T_SEMICOLON;
    case ':': return T_COLON;

    case '/':
        if (_char == QLatin1Char('*')) {
            scanChar();
            while (!_char.isNull()) {
                if (_char == QLatin1Char('*')) {
                    scanChar();
                    if (_char == QLatin1Char('/')) {
                        scanChar();

                        if (_engine) {
                            _engine->addComment(tokenOffset() + 2, _codePtr - _tokenStartPtr - 1 - 4,
                                                tokenStartLine(), tokenStartColumn() + 2);
                        }

                        goto again;
                    }
                } else {
                    scanChar();
                }
            }
        } else if (_char == QLatin1Char('/')) {
            while (!_char.isNull() && _char != QLatin1Char('\n')) {
                scanChar();
            }
            if (_engine) {
                _engine->addComment(tokenOffset() + 2, _codePtr - _tokenStartPtr - 1 - 2,
                                    tokenStartLine(), tokenStartColumn() + 2);
            }
            goto again;
        } if (_char == QLatin1Char('=')) {
            scanChar();
            return T_DIVIDE_EQ;
        }
        return T_DIVIDE_;

    case '.':
        if (_char.isDigit()) {
            QVarLengthArray<char,32> chars;

            chars.append(ch.unicode()); // append the `.'

            while (_char.isDigit()) {
                chars.append(_char.unicode());
                scanChar();
            }

            if (_char == QLatin1Char('e') || _char == QLatin1Char('E')) {
                if (_codePtr[0].isDigit() || ((_codePtr[0] == QLatin1Char('+') || _codePtr[0] == QLatin1Char('-')) &&
                                              _codePtr[1].isDigit())) {

                    chars.append(_char.unicode());
                    scanChar(); // consume `e'

                    if (_char == QLatin1Char('+') || _char == QLatin1Char('-')) {
                        chars.append(_char.unicode());
                        scanChar(); // consume the sign
                    }

                    while (_char.isDigit()) {
                        chars.append(_char.unicode());
                        scanChar();
                    }
                }
            }

            chars.append('\0');

            const char *begin = chars.constData();
            const char *end = 0;
            bool ok = false;

            _tokenValue = qstrtod(begin, &end, &ok);

            if (end - begin != chars.size() - 1) {
                _errorCode = IllegalExponentIndicator;
                _errorMessage = tr("QQmlParser", "Illegal syntax for exponential number");
                return T_ERROR;
            }

            return T_NUMERIC_LITERAL;
        }
        return T_DOT;

    case '-':
        if (_char == QLatin1Char('=')) {
            scanChar();
            return T_MINUS_EQ;
        } else if (_char == QLatin1Char('-')) {
            scanChar();

            if (_terminator && !_delimited && !_prohibitAutomaticSemicolon) {
                _stackToken = T_MINUS_MINUS;
                return T_SEMICOLON;
            }

            return T_MINUS_MINUS;
        }
        return T_MINUS;

    case ',': return T_COMMA;

    case '+':
        if (_char == QLatin1Char('=')) {
            scanChar();
            return T_PLUS_EQ;
        } else if (_char == QLatin1Char('+')) {
            scanChar();

            if (_terminator && !_delimited && !_prohibitAutomaticSemicolon) {
                _stackToken = T_PLUS_PLUS;
                return T_SEMICOLON;
            }

            return T_PLUS_PLUS;
        }
        return T_PLUS;

    case '*':
        if (_char == QLatin1Char('=')) {
            scanChar();
            return T_STAR_EQ;
        }
        return T_STAR;

    case ')': return T_RPAREN;
    case '(': return T_LPAREN;

    case '&':
        if (_char == QLatin1Char('=')) {
            scanChar();
            return T_AND_EQ;
        } else if (_char == QLatin1Char('&')) {
            scanChar();
            return T_AND_AND;
        }
        return T_AND;

    case '%':
        if (_char == QLatin1Char('=')) {
            scanChar();
            return T_REMAINDER_EQ;
        }
        return T_REMAINDER;

    case '!':
        if (_char == QLatin1Char('=')) {
            scanChar();
            if (_char == QLatin1Char('=')) {
                scanChar();
                return T_NOT_EQ_EQ;
            }
            return T_NOT_EQ;
        }
        return T_NOT;

    case '\'':
    case '"': {
        const QChar quote = ch;
        bool multilineStringLiteral = false;

        const QChar *startCode = _codePtr;

        if (_engine) {
            while (!_char.isNull()) {
                if (_char == QLatin1Char('\n') || _char == QLatin1Char('\\')) {
                    break;
                } else if (_char == quote) {
                    _tokenSpell = _engine->midRef(startCode - _code.unicode() - 1, _codePtr - startCode);
                    scanChar();

                    return T_STRING_LITERAL;
                }
                scanChar();
            }
        }

        _validTokenText = true;
        _tokenText.resize(0);
        startCode--;
        while (startCode != _codePtr - 1)
            _tokenText += *startCode++;

        while (! _char.isNull()) {
            if (_char == QLatin1Char('\n')) {
                multilineStringLiteral = true;
                _tokenText += _char;
                scanChar();
            } else if (_char == quote) {
                scanChar();

                if (_engine)
                    _tokenSpell = _engine->newStringRef(_tokenText);

                return multilineStringLiteral ? T_MULTILINE_STRING_LITERAL : T_STRING_LITERAL;
            } else if (_char == QLatin1Char('\\')) {
                scanChar();

                QChar u;
                bool ok = false;

                switch (_char.unicode()) {
                // unicode escape sequence
                case 'u':
                    u = decodeUnicodeEscapeCharacter(&ok);
                    if (! ok)
                        u = _char;
                    break;

                // hex escape sequence
                case 'x':
                case 'X':
                    if (isHexDigit(_codePtr[0]) && isHexDigit(_codePtr[1])) {
                        scanChar();

                        const QChar c1 = _char;
                        scanChar();

                        const QChar c2 = _char;
                        scanChar();

                        u = convertHex(c1, c2);
                    } else {
                        u = _char;
                    }
                    break;

                // single character escape sequence
                case '\\': u = QLatin1Char('\\'); scanChar(); break;
                case '\'': u = QLatin1Char('\''); scanChar(); break;
                case '\"': u = QLatin1Char('\"'); scanChar(); break;
                case 'b':  u = QLatin1Char('\b'); scanChar(); break;
                case 'f':  u = QLatin1Char('\f'); scanChar(); break;
                case 'n':  u = QLatin1Char('\n'); scanChar(); break;
                case 'r':  u = QLatin1Char('\r'); scanChar(); break;
                case 't':  u = QLatin1Char('\t'); scanChar(); break;
                case 'v':  u = QLatin1Char('\v'); scanChar(); break;

                case '0':
                    if (! _codePtr[1].isDigit()) {
                        scanChar();
                        u = QLatin1Char('\0');
                    } else {
                        // ### parse deprecated octal escape sequence ?
                        u = _char;
                    }
                    break;

                case '\r':
                    while (_char == QLatin1Char('\r'))
                        scanChar();

                    if (_char == QLatin1Char('\n')) {
                        u = _char;
                        scanChar();
                    } else {
                        u = QLatin1Char('\n');
                    }

                    break;

                case '\n':
                    u = _char;
                    scanChar();
                    break;

                default:
                    // non escape character
                    u = _char;
                    scanChar();
                }

                _tokenText += u;
            } else {
                _tokenText += _char;
                scanChar();
            }
        }

        _errorCode = UnclosedStringLiteral;
        _errorMessage = tr("QQmlParser", "Unclosed string at end of line");
        return T_ERROR;
    }

    default:
        if (ch.isLetter() || ch == QLatin1Char('$') || ch == QLatin1Char('_') || (ch == QLatin1Char('\\') && _char == QLatin1Char('u'))) {
            bool identifierWithEscapeChars = false;
            if (ch == QLatin1Char('\\')) {
                identifierWithEscapeChars = true;
                _tokenText.resize(0);
                bool ok = false;
                _tokenText += decodeUnicodeEscapeCharacter(&ok);
                _validTokenText = true;
                if (! ok) {
                    _errorCode = IllegalUnicodeEscapeSequence;
                    _errorMessage = tr("QQmlParser", "Illegal unicode escape sequence");
                    return T_ERROR;
                }
            }
            while (true) {
                if (_char.isLetterOrNumber() || _char == QLatin1Char('$') || _char == QLatin1Char('_')) {
                    if (identifierWithEscapeChars)
                        _tokenText += _char;

                    scanChar();
                } else if (_char == QLatin1Char('\\') && _codePtr[0] == QLatin1Char('u')) {
                    if (! identifierWithEscapeChars) {
                        identifierWithEscapeChars = true;
                        _tokenText.resize(0);
                        _tokenText.insert(0, _tokenStartPtr, _codePtr - _tokenStartPtr - 1);
                        _validTokenText = true;
                    }

                    scanChar(); // skip '\\'
                    bool ok = false;
                    _tokenText += decodeUnicodeEscapeCharacter(&ok);
                    if (! ok) {
                        _errorCode = IllegalUnicodeEscapeSequence;
                        _errorMessage = tr("QQmlParser", "Illegal unicode escape sequence");
                        return T_ERROR;
                    }
                } else {
                    _tokenLength = _codePtr - _tokenStartPtr - 1;

                    int kind = T_IDENTIFIER;

                    if (! identifierWithEscapeChars)
                        kind = classify(_tokenStartPtr, _tokenLength, _qmlMode);

                    if (_engine) {
                        if (kind == T_IDENTIFIER && identifierWithEscapeChars)
                            _tokenSpell = _engine->newStringRef(_tokenText);
                        else
                            _tokenSpell = _engine->midRef(_tokenStartPtr - _code.unicode(), _tokenLength);
                    }

                    return kind;
                }
            }
        } else if (ch.isDigit()) {
            if (ch != QLatin1Char('0')) {
                double integer = ch.unicode() - '0';

                QChar n = _char;
                const QChar *code = _codePtr;
                while (n.isDigit()) {
                    integer = integer * 10 + (n.unicode() - '0');
                    n = *code++;
                }

                if (n != QLatin1Char('.') && n != QLatin1Char('e') && n != QLatin1Char('E')) {
                    if (code != _codePtr) {
                        _codePtr = code - 1;
                        scanChar();
                    }
                    _tokenValue = integer;
                    return T_NUMERIC_LITERAL;
                }
            }

            QVarLengthArray<char,32> chars;
            chars.append(ch.unicode());

            if (ch == QLatin1Char('0') && (_char == QLatin1Char('x') || _char == QLatin1Char('X'))) {
                // parse hex integer literal

                chars.append(_char.unicode());
                scanChar(); // consume `x'

                while (isHexDigit(_char)) {
                    chars.append(_char.unicode());
                    scanChar();
                }

                _tokenValue = integerFromString(chars.constData(), chars.size(), 16);
                return T_NUMERIC_LITERAL;
            }

            // decimal integer literal
            while (_char.isDigit()) {
                chars.append(_char.unicode());
                scanChar(); // consume the digit
            }

            if (_char == QLatin1Char('.')) {
                chars.append(_char.unicode());
                scanChar(); // consume `.'

                while (_char.isDigit()) {
                    chars.append(_char.unicode());
                    scanChar();
                }

                if (_char == QLatin1Char('e') || _char == QLatin1Char('E')) {
                    if (_codePtr[0].isDigit() || ((_codePtr[0] == QLatin1Char('+') || _codePtr[0] == QLatin1Char('-')) &&
                                                  _codePtr[1].isDigit())) {

                        chars.append(_char.unicode());
                        scanChar(); // consume `e'

                        if (_char == QLatin1Char('+') || _char == QLatin1Char('-')) {
                            chars.append(_char.unicode());
                            scanChar(); // consume the sign
                        }

                        while (_char.isDigit()) {
                            chars.append(_char.unicode());
                            scanChar();
                        }
                    }
                }
            } else if (_char == QLatin1Char('e') || _char == QLatin1Char('E')) {
                if (_codePtr[0].isDigit() || ((_codePtr[0] == QLatin1Char('+') || _codePtr[0] == QLatin1Char('-')) &&
                                              _codePtr[1].isDigit())) {

                    chars.append(_char.unicode());
                    scanChar(); // consume `e'

                    if (_char == QLatin1Char('+') || _char == QLatin1Char('-')) {
                        chars.append(_char.unicode());
                        scanChar(); // consume the sign
                    }

                    while (_char.isDigit()) {
                        chars.append(_char.unicode());
                        scanChar();
                    }
                }
            }

            chars.append('\0');

            const char *begin = chars.constData();
            const char *end = 0;
            bool ok = false;

            _tokenValue = qstrtod(begin, &end, &ok);

            if (end - begin != chars.size() - 1) {
                _errorCode = IllegalExponentIndicator;
                _errorMessage = tr("QQmlParser", "Illegal syntax for exponential number");
                return T_ERROR;
            }

            return T_NUMERIC_LITERAL;
        }

        break;
    }

    return T_ERROR;
}
Ejemplo n.º 13
0
void QVGPixmapConvolutionFilter::draw
        (QPainter *painter, const QPointF &dest,
         const QPixmap &src, const QRectF &srcRect) const
{
    if (src.isNull())
        return;

    if (src.pixmapData()->classId() != QPixmapData::OpenVGClass) {
        // The pixmap data is not an instance of QVGPixmapData, so fall
        // back to the default convolution filter implementation.
        QPixmapConvolutionFilter::draw(painter, dest, src, srcRect);
        return;
    }

    QVGPixmapData *pd = static_cast<QVGPixmapData *>(src.pixmapData());

    VGImage srcImage = pd->toVGImage();
    if (srcImage == VG_INVALID_HANDLE)
        return;

    QSize size = pd->size();
    VGImage dstImage = QVGImagePool::instance()->createTemporaryImage
        (VG_sARGB_8888_PRE, size.width(), size.height(),
         VG_IMAGE_QUALITY_FASTER, pd);
    if (dstImage == VG_INVALID_HANDLE)
        return;

    int kernelWidth = rows();
    int kernelHeight = columns();
    const qreal *kern = convolutionKernel();
    QVarLengthArray<VGshort> kernel;
    for (int i = 0; i < kernelWidth; ++i) {
        for (int j = 0; j < kernelHeight; ++j) {
            kernel.append((VGshort)(kern[j * kernelWidth + i] * 1024.0f));
        }
    }

    VGfloat values[4];
    values[0] = 0.0f;
    values[1] = 0.0f;
    values[2] = 0.0f;
    values[3] = 0.0f;
    vgSetfv(VG_TILE_FILL_COLOR, 4, values);

    vgConvolve(dstImage, srcImage,
               kernelWidth, kernelHeight, 0, 0,
               kernel.constData(), 1.0f / 1024.0f, 0.0f,
               VG_TILE_FILL);

    VGImage child = VG_INVALID_HANDLE;

    if (srcRect.isNull() ||
        (srcRect.topLeft().isNull() && srcRect.size() == size)) {
        child = dstImage;
    } else {
        QRect src = srcRect.toRect();
        child = vgChildImage(dstImage, src.x(), src.y(), src.width(), src.height());
    }

    qt_vg_drawVGImage(painter, dest, child);

    if(child != dstImage)
        vgDestroyImage(child);
    QVGImagePool::instance()->releaseImage(0, dstImage);
}
Ejemplo n.º 14
0
int Lexer::scanNumber(QChar ch)
{
    if (ch != QLatin1Char('0')) {
        double integer = ch.unicode() - '0';

        QChar n = _char;
        const QChar *code = _codePtr;
        while (n.isDigit()) {
            integer = integer * 10 + (n.unicode() - '0');
            n = *code++;
        }

        if (n != QLatin1Char('.') && n != QLatin1Char('e') && n != QLatin1Char('E')) {
            if (code != _codePtr) {
                _codePtr = code - 1;
                scanChar();
            }
            _tokenValue = integer;
            return T_NUMERIC_LITERAL;
        }
    }

    QVarLengthArray<char,32> chars;
    chars.append(ch.unicode());

    if (ch == QLatin1Char('0') && (_char == QLatin1Char('x') || _char == QLatin1Char('X'))) {
        // parse hex integer literal

        chars.append(_char.unicode());
        scanChar(); // consume `x'

        while (isHexDigit(_char)) {
            chars.append(_char.unicode());
            scanChar();
        }

        _tokenValue = integerFromString(chars.constData(), chars.size(), 16);
        return T_NUMERIC_LITERAL;
    }

    // decimal integer literal
    while (_char.isDigit()) {
        chars.append(_char.unicode());
        scanChar(); // consume the digit
    }

    if (_char == QLatin1Char('.')) {
        chars.append(_char.unicode());
        scanChar(); // consume `.'

        while (_char.isDigit()) {
            chars.append(_char.unicode());
            scanChar();
        }

        if (_char == QLatin1Char('e') || _char == QLatin1Char('E')) {
            if (_codePtr[0].isDigit() || ((_codePtr[0] == QLatin1Char('+') || _codePtr[0] == QLatin1Char('-')) &&
                                          _codePtr[1].isDigit())) {

                chars.append(_char.unicode());
                scanChar(); // consume `e'

                if (_char == QLatin1Char('+') || _char == QLatin1Char('-')) {
                    chars.append(_char.unicode());
                    scanChar(); // consume the sign
                }

                while (_char.isDigit()) {
                    chars.append(_char.unicode());
                    scanChar();
                }
            }
        }
    } else if (_char == QLatin1Char('e') || _char == QLatin1Char('E')) {
        if (_codePtr[0].isDigit() || ((_codePtr[0] == QLatin1Char('+') || _codePtr[0] == QLatin1Char('-')) &&
                                      _codePtr[1].isDigit())) {

            chars.append(_char.unicode());
            scanChar(); // consume `e'

            if (_char == QLatin1Char('+') || _char == QLatin1Char('-')) {
                chars.append(_char.unicode());
                scanChar(); // consume the sign
            }

            while (_char.isDigit()) {
                chars.append(_char.unicode());
                scanChar();
            }
        }
    }

    if (chars.size() == 1) {
        // if we ended up with a single digit, then it was a '0'
        _tokenValue = 0;
        return T_NUMERIC_LITERAL;
    }

    chars.append('\0');

    const char *begin = chars.constData();
    const char *end = 0;
    bool ok = false;

    _tokenValue = qstrtod(begin, &end, &ok);

    if (end - begin != chars.size() - 1) {
        _errorCode = IllegalExponentIndicator;
        _errorMessage = QCoreApplication::translate("QmlParser", "Illegal syntax for exponential number");
        return T_ERROR;
    }

    return T_NUMERIC_LITERAL;
}
Ejemplo n.º 15
0
bool QQuickSvgParser::parsePathDataFast(const QString &dataStr, QPainterPath &path)
{
    qreal x0 = 0, y0 = 0;              // starting point
    qreal x = 0, y = 0;                // current point
    char lastMode = 0;
    QPointF ctrlPt;
    const QChar *str = dataStr.constData();
    const QChar *end = str + dataStr.size();

    while (str != end) {
        while (str->isSpace())
            ++str;
        QChar pathElem = *str;
        ++str;
        QChar endc = *end;
        *const_cast<QChar *>(end) = 0; // parseNumbersArray requires 0-termination that QStringRef cannot guarantee
        QVarLengthArray<qreal, 8> arg;
        parseNumbersArray(str, arg);
        *const_cast<QChar *>(end) = endc;
        if (pathElem == QLatin1Char('z') || pathElem == QLatin1Char('Z'))
            arg.append(0);//dummy
        const qreal *num = arg.constData();
        int count = arg.count();
        while (count > 0) {
            qreal offsetX = x;        // correction offsets
            qreal offsetY = y;        // for relative commands
            switch (pathElem.unicode()) {
            case 'm': {
                if (count < 2) {
                    num++;
                    count--;
                    break;
                }
                x = x0 = num[0] + offsetX;
                y = y0 = num[1] + offsetY;
                num += 2;
                count -= 2;
                path.moveTo(x0, y0);

                 // As per 1.2  spec 8.3.2 The "moveto" commands
                 // If a 'moveto' is followed by multiple pairs of coordinates without explicit commands,
                 // the subsequent pairs shall be treated as implicit 'lineto' commands.
                 pathElem = QLatin1Char('l');
            }
                break;
            case 'M': {
                if (count < 2) {
                    num++;
                    count--;
                    break;
                }
                x = x0 = num[0];
                y = y0 = num[1];
                num += 2;
                count -= 2;
                path.moveTo(x0, y0);

                // As per 1.2  spec 8.3.2 The "moveto" commands
                // If a 'moveto' is followed by multiple pairs of coordinates without explicit commands,
                // the subsequent pairs shall be treated as implicit 'lineto' commands.
                pathElem = QLatin1Char('L');
            }
                break;
            case 'z':
            case 'Z': {
                x = x0;
                y = y0;
                count--; // skip dummy
                num++;
                path.closeSubpath();
            }
                break;
            case 'l': {
                if (count < 2) {
                    num++;
                    count--;
                    break;
                }
                x = num[0] + offsetX;
                y = num[1] + offsetY;
                num += 2;
                count -= 2;
                path.lineTo(x, y);

            }
                break;
            case 'L': {
                if (count < 2) {
                    num++;
                    count--;
                    break;
                }
                x = num[0];
                y = num[1];
                num += 2;
                count -= 2;
                path.lineTo(x, y);
            }
                break;
            case 'h': {
                x = num[0] + offsetX;
                num++;
                count--;
                path.lineTo(x, y);
            }
                break;
            case 'H': {
                x = num[0];
                num++;
                count--;
                path.lineTo(x, y);
            }
                break;
            case 'v': {
                y = num[0] + offsetY;
                num++;
                count--;
                path.lineTo(x, y);
            }
                break;
            case 'V': {
                y = num[0];
                num++;
                count--;
                path.lineTo(x, y);
            }
                break;
            case 'c': {
                if (count < 6) {
                    num += count;
                    count = 0;
                    break;
                }
                QPointF c1(num[0] + offsetX, num[1] + offsetY);
                QPointF c2(num[2] + offsetX, num[3] + offsetY);
                QPointF e(num[4] + offsetX, num[5] + offsetY);
                num += 6;
                count -= 6;
                path.cubicTo(c1, c2, e);
                ctrlPt = c2;
                x = e.x();
                y = e.y();
                break;
            }
            case 'C': {
                if (count < 6) {
                    num += count;
                    count = 0;
                    break;
                }
                QPointF c1(num[0], num[1]);
                QPointF c2(num[2], num[3]);
                QPointF e(num[4], num[5]);
                num += 6;
                count -= 6;
                path.cubicTo(c1, c2, e);
                ctrlPt = c2;
                x = e.x();
                y = e.y();
                break;
            }
            case 's': {
                if (count < 4) {
                    num += count;
                    count = 0;
                    break;
                }
                QPointF c1;
                if (lastMode == 'c' || lastMode == 'C' ||
                    lastMode == 's' || lastMode == 'S')
                    c1 = QPointF(2*x-ctrlPt.x(), 2*y-ctrlPt.y());
                else
                    c1 = QPointF(x, y);
                QPointF c2(num[0] + offsetX, num[1] + offsetY);
                QPointF e(num[2] + offsetX, num[3] + offsetY);
                num += 4;
                count -= 4;
                path.cubicTo(c1, c2, e);
                ctrlPt = c2;
                x = e.x();
                y = e.y();
                break;
            }
            case 'S': {
                if (count < 4) {
                    num += count;
                    count = 0;
                    break;
                }
                QPointF c1;
                if (lastMode == 'c' || lastMode == 'C' ||
                    lastMode == 's' || lastMode == 'S')
                    c1 = QPointF(2*x-ctrlPt.x(), 2*y-ctrlPt.y());
                else
                    c1 = QPointF(x, y);
                QPointF c2(num[0], num[1]);
                QPointF e(num[2], num[3]);
                num += 4;
                count -= 4;
                path.cubicTo(c1, c2, e);
                ctrlPt = c2;
                x = e.x();
                y = e.y();
                break;
            }
            case 'q': {
                if (count < 4) {
                    num += count;
                    count = 0;
                    break;
                }
                QPointF c(num[0] + offsetX, num[1] + offsetY);
                QPointF e(num[2] + offsetX, num[3] + offsetY);
                num += 4;
                count -= 4;
                path.quadTo(c, e);
                ctrlPt = c;
                x = e.x();
                y = e.y();
                break;
            }
            case 'Q': {
                if (count < 4) {
                    num += count;
                    count = 0;
                    break;
                }
                QPointF c(num[0], num[1]);
                QPointF e(num[2], num[3]);
                num += 4;
                count -= 4;
                path.quadTo(c, e);
                ctrlPt = c;
                x = e.x();
                y = e.y();
                break;
            }
            case 't': {
                if (count < 2) {
                    num += count;
                    count = 0;
                    break;
                }
                QPointF e(num[0] + offsetX, num[1] + offsetY);
                num += 2;
                count -= 2;
                QPointF c;
                if (lastMode == 'q' || lastMode == 'Q' ||
                    lastMode == 't' || lastMode == 'T')
                    c = QPointF(2*x-ctrlPt.x(), 2*y-ctrlPt.y());
                else
                    c = QPointF(x, y);
                path.quadTo(c, e);
                ctrlPt = c;
                x = e.x();
                y = e.y();
                break;
            }
            case 'T': {
                if (count < 2) {
                    num += count;
                    count = 0;
                    break;
                }
                QPointF e(num[0], num[1]);
                num += 2;
                count -= 2;
                QPointF c;
                if (lastMode == 'q' || lastMode == 'Q' ||
                    lastMode == 't' || lastMode == 'T')
                    c = QPointF(2*x-ctrlPt.x(), 2*y-ctrlPt.y());
                else
                    c = QPointF(x, y);
                path.quadTo(c, e);
                ctrlPt = c;
                x = e.x();
                y = e.y();
                break;
            }
            case 'a': {
                if (count < 7) {
                    num += count;
                    count = 0;
                    break;
                }
                qreal rx = (*num++);
                qreal ry = (*num++);
                qreal xAxisRotation = (*num++);
                qreal largeArcFlag  = (*num++);
                qreal sweepFlag = (*num++);
                qreal ex = (*num++) + offsetX;
                qreal ey = (*num++) + offsetY;
                count -= 7;
                qreal curx = x;
                qreal cury = y;
                pathArc(path, rx, ry, xAxisRotation, int(largeArcFlag),
                        int(sweepFlag), ex, ey, curx, cury);

                x = ex;
                y = ey;
            }
                break;
            case 'A': {
                if (count < 7) {
                    num += count;
                    count = 0;
                    break;
                }
                qreal rx = (*num++);
                qreal ry = (*num++);
                qreal xAxisRotation = (*num++);
                qreal largeArcFlag  = (*num++);
                qreal sweepFlag = (*num++);
                qreal ex = (*num++);
                qreal ey = (*num++);
                count -= 7;
                qreal curx = x;
                qreal cury = y;
                pathArc(path, rx, ry, xAxisRotation, int(largeArcFlag),
                        int(sweepFlag), ex, ey, curx, cury);

                x = ex;
                y = ey;
            }
                break;
            default:
                return false;
            }
            lastMode = pathElem.toLatin1();
        }
    }
    return true;
}
Ejemplo n.º 16
0
bool QObjectProxy::invokeMethod( const char *method, PyrSlot *retSlot, PyrSlot *argSlot,
                                 Qt::ConnectionType ctype )
{
  mutex.lock();
  if( !qObject ) {
    mutex.unlock();
    return true;
  }

  // the signature char array
  QVarLengthArray<char, 512> sig;

  // serialize method name
  int len = qstrlen( method );
  if( len <= 0 ) {
    mutex.unlock();
    return false;
  }
  sig.append( method, len );
  sig.append( '(' );

  // get data from argument slots
  QtCollider::Variant argSlots[10];

  if( isKindOfSlot( argSlot, class_Array ) ) {
    PyrSlot *slots = slotRawObject( argSlot )->slots;
    int size = slotRawObject( argSlot )->size;
    int i;
    for( i = 0; i<size && i<10; ++i ) {
      argSlots[i].setData( slots );
      ++slots;
    }
  }
  else argSlots[0].setData( argSlot );

  // serialize argument types
  int i;
  for( i = 0; i < 10; ++i ) {
    int type = argSlots[i].type();
    if( type == QMetaType::Void ) break;
    const char *typeName = QMetaType::typeName( type );
    int len = qstrlen( typeName );
    if( len <= 0 ) break;
    sig.append( typeName, len );
    sig.append( ',' );
  }

  // finalize the signature
  if( i==0 ) sig.append( ')' );
  else sig[sig.size() - 1] = ')';

  sig.append('\0');

  // get the meta method
  const QMetaObject *mo = qObject->metaObject();

  int mi = mo->indexOfMethod( sig.constData() );
  if( mi < 0 ) {
    QByteArray mnorm = QMetaObject::normalizedSignature( sig.constData() );
    mi = mo->indexOfMethod( mnorm.constData() );
  }

  if( mi < 0 || mi >= mo->methodCount()  ) {
    qcProxyDebugMsg( 1, QString("WARNING: No such method: %1::%2").arg( mo->className() )
                        .arg( sig.constData() ) );
    mutex.unlock();
    return false;
  }

  QMetaMethod mm = mo->method( mi );

  // construct the return data object
  QGenericReturnArgument retGArg;
  const char *retTypeName = mm.typeName();
  int retType = QMetaType::type( retTypeName );
  void *retPtr = 0;
  if( retSlot ) {
    retPtr = QMetaType::construct( retType );
    retGArg = QGenericReturnArgument( retTypeName, retPtr );
  }

  //do it!
  bool success =
    mm.invoke( qObject, ctype, retGArg,
                argSlots[0].asGenericArgument(),
                argSlots[1].asGenericArgument(),
                argSlots[2].asGenericArgument(),
                argSlots[3].asGenericArgument(),
                argSlots[4].asGenericArgument(),
                argSlots[5].asGenericArgument(),
                argSlots[6].asGenericArgument(),
                argSlots[7].asGenericArgument(),
                argSlots[8].asGenericArgument(),
                argSlots[9].asGenericArgument());

  // store the return data into the return slot
  if( success && retPtr ) {
    QVariant retVar( retType, retPtr );
    Slot::setVariant( retSlot, retVar );
  };

  if( retPtr )
    QMetaType::destroy( retType, retPtr );

  mutex.unlock();
  return success;
}
Ejemplo n.º 17
0
Kst::Object::UpdateType AsciiSource::internalDataSourceUpdate() 
{
  if (!_haveHeader) {
    _haveHeader = initRowIndex();
    if (!_haveHeader) {
      return NoChange;
    }
    // Re-update the field list since we have one now
    _fieldList = fieldListFor(_filename, &_config);
    _fieldListComplete = _fieldList.count() > 1;

    // Re-update the scalar list since we have one now
    _scalarList = scalarListFor(_filename, &_config);
    _stringList = stringListFor(_filename, &_config);
  }

  QFile file(_filename);
  if (!openValidFile(file)) {
    // Qt: If the device is closed, the size returned will not reflect the actual size of the device.
    return NoChange;
  }
  
  bool forceUpdate;
  if (_byteLength == file.size()) {
    forceUpdate = false;
  } else {
    forceUpdate = true;
    _byteLength = file.size();
  }

  int bufread;
  bool new_data = false;
  //bool first_read = (_numFrames == 0);

  QByteArray delbytes = _config._delimiters.value().toLatin1();
  const char *del = delbytes.constData();

  do {
    // Read the tmpbuffer, starting at row_index[_numFrames]
    QVarLengthArray<char, MAXBUFREADLEN + 1> varBuffer;
    varBuffer.resize(varBuffer.capacity());
    int bufstart = _rowIndex[_numFrames];
    bufread = readFromFile(file, varBuffer, bufstart, _byteLength - bufstart, MAXBUFREADLEN);    

#ifdef KST_DONT_CHECK_INDEX_IN_DEBUG
  const char* buffer = varBuffer.constData();
  const char* bufferData = buffer;
#else
  QVarLengthArray<char, MAXBUFREADLEN + 1>& buffer = varBuffer;
  const char* bufferData = buffer.data();
#endif

    bool is_comment = false, has_dat = false;
    char *comment = strpbrk(const_cast<char*>(bufferData), del);
    for (int i = 0; i < bufread; i++) {
      if (comment == &(buffer[i])) {
        is_comment = true;
      } else if (buffer[i] == '\n' || buffer[i] == '\r') {
        if (has_dat) {
          ++_numFrames;
          if (_numFrames >= _rowIndex.size()) {
            _rowIndex.resize(_rowIndex.size() + 32768);
            if (_numFrames >= _rowIndex.size()) {
              // TODO where could we report an error;
              return NoChange;
            }
          }
          new_data = true;
        }
        _rowIndex[_numFrames] = bufstart + i + 1;
        has_dat = is_comment = false;
        if (comment && comment < &(buffer[i])) {
          comment = strpbrk(const_cast<char*>(&(buffer[i])), del);
        }
      } else if (!is_comment && !isspace((unsigned char)buffer[i])) {
        // FIXME: this breaks custom delimiters
        has_dat = true;
      }
    }
  } while ((bufread == MAXBUFREADLEN)); // && (!first_read));

  return (forceUpdate ? Updated : (new_data ? Updated : NoChange));
}