qcomparisonplatform_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_ComparisonPlatform_H
#define Patternist_ComparisonPlatform_H

#include "qatomiccomparators_p.h"
#include "qitem_p.h"
#include "qcommonsequencetypes_p.h"
#include "qdynamiccontext_p.h"
#include "qbuiltintypes_p.h"
#include "qitemtype_p.h"
#include "qpatternistlocale_p.h"

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

namespace QPatternist
{
    template <typename TSubClass,
              bool issueError,
              AtomicComparator::ComparisonType comparisonType = AtomicComparator::AsValueComparison,
              ReportContext::ErrorCode errorCode = ReportContext::XPTY0004>
    class ComparisonPlatform
    {
    protected:
        void prepareComparison(const AtomicComparator::Ptr &comparator);

        inline ComparisonPlatform()
        {
        }

        AtomicComparator::Ptr
        fetchComparator(const ItemType::Ptr &type1,
                        const ItemType::Ptr &type2,
                        const ReportContext::Ptr &context) const;

        bool compare(const Item &i1,
                     const Item &i2,
                     const AtomicComparator::Ptr &comp,
                     const AtomicComparator::Operator op) const;

        bool
        flexibleCompare(const Item &it1,
                        const Item &it2,
                        const DynamicContext::Ptr &context) const;

        AtomicComparator::ComparisonResult
        detailedFlexibleCompare(const Item &it1,
                                const Item &it2,
                                const DynamicContext::Ptr &context) const;

        inline const AtomicComparator::Ptr &comparator() const
        {
            return m_comparator;
        }

        inline void useCaseInsensitiveComparator()
        {
            m_comparator = AtomicComparator::Ptr(new CaseInsensitiveStringComparator());
        }

    private:
        inline AtomicComparator::Operator operatorID() const
        {
            Q_ASSERT(static_cast<const TSubClass *>(this)->operatorID());
            return static_cast<const TSubClass *>(this)->operatorID();
        }

        AtomicComparator::Ptr m_comparator;
    };

#include "qcomparisonplatform.cpp"

}

QT_END_NAMESPACE

QT_END_HEADER

#endif