qacceltreebuilder_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_AccelTreeBuilder_H
#define Patternist_AccelTreeBuilder_H

#include <QSet>
#include <QStack>

#include "private/qxmlutils_p.h"
#include "qacceltree_p.h"
#include "qbuiltintypes_p.h"
#include "qcompressedwhitespace_p.h"
#include "qnamepool_p.h"
#include "qnodebuilder_p.h"
#include "qreportcontext_p.h"
#include "qsourcelocationreflection_p.h"
#include "qpatternistlocale_p.h"
#include <QtDebug>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

namespace QPatternist
{
    template<bool FromDocument>
    class AccelTreeBuilder : public NodeBuilder
                           , public SourceLocationReflection
    {
    public:
        typedef QExplicitlySharedDataPointer<AccelTreeBuilder> Ptr;

        enum Feature
        {
            NoneFeature,                
            SourceLocationsFeature = 1  
        };
        Q_DECLARE_FLAGS(Features, Feature)

        
        AccelTreeBuilder(const QUrl &docURI,
                         const QUrl &baseURI,
                         const NamePool::Ptr &np,
                         ReportContext *const context,
                         Features features = NoneFeature);
        virtual void startDocument();
        virtual void endDocument();
        virtual void startElement(const QXmlName &name);
        void startElement(const QXmlName &name, qint64 line, qint64 column);
        virtual void endElement();
        virtual void attribute(const QXmlName &name, const QStringRef &value);
        virtual void characters(const QStringRef &ch);
        virtual void whitespaceOnly(const QStringRef &ch);
        virtual void processingInstruction(const QXmlName &target,
                                           const QString &data);
        virtual void namespaceBinding(const QXmlName &nb);
        virtual void comment(const QString &content);
        virtual void item(const Item &it);

        virtual QAbstractXmlNodeModel::Ptr builtDocument();
        virtual NodeBuilder::Ptr create(const QUrl &baseURI) const;
        virtual void startOfSequence();
        virtual void endOfSequence();

        inline AccelTree::Ptr builtDocument() const
        {
            return m_document;
        }

        virtual void atomicValue(const QVariant &value);

        virtual const SourceLocationReflection *actualReflection() const;
        virtual QSourceLocation sourceLocation() const;

    private:
        inline void startStructure();

        inline AccelTree::PreNumber currentDepth() const
        {
            return m_ancestors.count() -1;
        }

        inline AccelTree::PreNumber currentParent() const
        {
            return m_ancestors.isEmpty() ? -1 : m_ancestors.top();
        }

        enum Constants
        {
            DefaultNodeStackSize = 10,
            SizeIsEmpty = 0
        };

        AccelTree::PreNumber            m_preNumber;
        bool                            m_isPreviousAtomic;
        bool                            m_hasCharacters;
        bool                            m_isCharactersCompressed;
        QString                         m_characters;
        NamePool::Ptr                   m_namePool;
        AccelTree::Ptr                  m_document;
        QStack<AccelTree::PreNumber>    m_ancestors;
        QStack<AccelTree::PreNumber>    m_size;

        AccelTree::PreNumber            m_skippedDocumentNodes;

        QSet<QString>                   m_attributeCompress;
        const QUrl                      m_documentURI;
        ReportContext *const            m_context;

        Features                        m_features;
    };

    Q_DECLARE_OPERATORS_FOR_FLAGS(AccelTreeBuilder<true>::Features)
    Q_DECLARE_OPERATORS_FOR_FLAGS(AccelTreeBuilder<false>::Features)

#include "qacceltreebuilder.cpp"
}

QT_END_NAMESPACE

QT_END_HEADER

#endif