Esempi in C++ (Cpp) per QScriptValueImpl::toInt32

Esempio n. 1

File: qscriptecmanumber.cpp Progetto: FilipBE/qtextended

QScriptValueImpl Number::method_toString(QScriptContextPrivate *context, QScriptEnginePrivate *eng, QScriptClassInfo *classInfo)
{
    QScriptValueImpl self = context->thisObject();
    if (self.classInfo() != classInfo)
        return context->throwError(QScriptContext::TypeError,
                                   QLatin1String("Number.prototype.toString"));

    QScriptValueImpl arg = context->argument(0);
    if (!arg.isUndefined()) {
        int radix = arg.toInt32();
        if (radix < 2 || radix > 36)
            return context->throwError(QString::fromLatin1("Number.prototype.toString: %0 is not a valid radix")
                                       .arg(radix));
        if (radix != 10) {
            QString str;
            qsreal num = self.internalValue().toInteger();
            do {
                char c = (char)::fmod(num, radix);
                if (c < 10)
                    c += '0';
                else
                    c = c - 10 + 'a';
                str.prepend(QLatin1Char(c));
                num = ::floor(num / radix);
            } while (num != 0);
            return QScriptValueImpl(eng, str);
        }
    }
    QString str = self.internalValue().toString();
    return (QScriptValueImpl(eng, str));
}