qtokenizer_p.h

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//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.

#ifndef Patternist_Tokenizer_H
#define Patternist_Tokenizer_H

#include <QPair>
#include <QSharedData>
#include <QString>
#include <QUrl>

#include "qparsercontext_p.h"
#include "qtokensource_p.h"

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

namespace QPatternist
{
    typedef QPair<QString, Expression::Ptr> AttributeHolder;
    typedef QVector<AttributeHolder> AttributeHolderVector;

    class OrderSpecTransfer
    {
    public:
        typedef QList<OrderSpecTransfer> List;
        inline OrderSpecTransfer()
        {
        }

        inline OrderSpecTransfer(const Expression::Ptr &aExpr,
                                 const OrderBy::OrderSpec aOrderSpec) : expression(aExpr),
                                                                        orderSpec(aOrderSpec)
        {
            Q_ASSERT(expression);
        }

        Expression::Ptr     expression;
        OrderBy::OrderSpec  orderSpec;
    };

    class TokenValue
    {
    public:
        QString                         sval;

        Expression::Ptr                 expr;
        Expression::List                expressionList;

        Cardinality                     cardinality;
        ItemType::Ptr                   itemType;
        SequenceType::Ptr               sequenceType;
        FunctionArgument::List          functionArguments;
        FunctionArgument::Ptr           functionArgument;
        QVector<QXmlName>               qNameVector;
        QXmlName                        qName;
        EnumUnion                       enums;

        AttributeHolder                 attributeHolder;
        AttributeHolderVector           attributeHolders;
        OrderSpecTransfer::List         orderSpecs;
        OrderSpecTransfer               orderSpec;
    };
}

QT_END_NAMESPACE

#define YYSTYPE QPatternist::TokenValue

#include "qquerytransformparser_p.h" /* This inclusion must be after TokenValue. */

QT_BEGIN_NAMESPACE

namespace QPatternist
{
    class Tokenizer : public TokenSource
    {
    public:
        inline Tokenizer(const QUrl &queryU) : m_queryURI(queryU)
        {
            Q_ASSERT(queryU.isValid());
        }

        typedef QExplicitlySharedDataPointer<Tokenizer> Ptr;

        virtual int commenceScanOnly() = 0;

        virtual void resumeTokenizationFrom(const int position) = 0;

        inline const QUrl &queryURI() const
        {
            return m_queryURI;
        }

        virtual void setParserContext(const ParserContext::Ptr &parseInfo) = 0;

    protected:
        static QString tokenToString(const Token &token);

    private:
        Q_DISABLE_COPY(Tokenizer)
        const QUrl m_queryURI;
    };

}

#undef Patternist_DEBUG_PARSER // disable it for now

QT_END_NAMESPACE

QT_END_HEADER

#endif