source: trunk/src/xmlpatterns/expr/qpath_p.h@ 1168

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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_Path_H
#define Patternist_Path_H

#include "qpaircontainer_p.h"

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

namespace QPatternist
{

    /**
     * @short Implements the path expression, containing two steps, such as in <tt>html/body</tt>.
     *
     * @see <a href="http://www.w3.org/TR/xquery/#id-path-expressions">XQuery 1.0: An
     * XML Query Language, 3.2 Path Expressions</a>
     * @author Frans Englich <[email protected]>
     * @ingroup Patternist_expressions
     */
    class Path : public PairContainer
    {
    public:
        enum Kind
        {
            /**
             * This Path is a plain old path expression as found in XPath.
             * Sorting is performed, and atomics are disallowed as left
             * operand.
             */
            RegularPath = 1,

            /**
             * This Path emulates an @c xsl:for-each instruction. This means no
             * sorting of result, and atomics are allowed as left operand.
             */
            XSLTForEach,

            /**
             * This Path performs the iteration in an @c xsl:apply-templates