qcardinality.cpp

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#include "qpatternistlocale_p.h"

#include "qcardinality_p.h"

QT_BEGIN_NAMESPACE

using namespace QPatternist;

QString Cardinality::displayName(const CustomizeDisplayName explain) const
{
    if(explain == IncludeExplanation)
    {
        if(isEmpty())
            return QString(QtXmlPatterns::tr("empty") + QLatin1String("(\"empty-sequence()\")"));
        else if(isZeroOrOne())
            return QString(QtXmlPatterns::tr("zero or one") + QLatin1String("(\"?\")"));
        else if(isExactlyOne())
            return QString(QtXmlPatterns::tr("exactly one"));
        else if(isOneOrMore())
            return QString(QtXmlPatterns::tr("one or more") + QLatin1String("(\"+\")"));
        else
            return QString(QtXmlPatterns::tr("zero or more") + QLatin1String("(\"*\")"));
    }
    else
    {
        Q_ASSERT(explain == ExcludeExplanation);

        if(isEmpty() || isZeroOrOne())
            return QLatin1String("?");
        else if(isExactlyOne())
            return QString();
        else if(isExact())
        {
            return QString(QLatin1Char('{'))    +
                   QString::number(maximum())   +
                   QLatin1Char('}');
        }
        else
        {
            if(m_max == -1)
            {
                if(isOneOrMore())
                    return QChar::fromLatin1('+');
                else
                    return QChar::fromLatin1('*');
            }
            else
            {
                /* We have a range. We use a RegExp-like syntax. */
                return QString(QLatin1Char('{'))    +
                       QString::number(minimum())   +
                       QLatin1String(", ")          +
                       QString::number(maximum())   +
                       QLatin1Char('}');

            }
        }
    }
}

QT_END_NAMESPACE