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39
40//
41// W A R N I N G
42// -------------
43//
44// This file is not part of the Qt API. It exists purely as an
45// implementation detail. This header file may change from version to
46// version without notice, or even be removed.
47//
48// We mean it.
49
50#ifndef Patternist_TemplateParam_H
51#define Patternist_TemplateParam_H
52
53#include <private/qfunctionargument_p.h>
54
55QT_BEGIN_NAMESPACE
56
57namespace QPatternist
58{
59 /**
60 * @short Carries meta data for @c xsl:with-param as encountered in
61 * template callsites such as @c xsl:call-template and @c
62 * xsl:apply-templates.
63 *
64 * WithParam is similar to FunctionArgument, but has in addition a default
65 * value in the form of an Expression.
66 *
67 * @since 4.5
68 * @ingroup Patternist_expressions
69 * @author Frans Englich <frans.englich@nokia.com>
70 */
71 class WithParam : public FunctionArgument
72 {
73 public:
74 typedef QExplicitlySharedDataPointer<WithParam> Ptr;
75 typedef QHash<QXmlName, Ptr> Hash;
76
77 /**
78 * @p sourceExpression can not be @c null.
79 */
80 inline WithParam(const QXmlName name,
81 const SequenceType::Ptr &type,
82 const Expression::Ptr &sourceExpression);
83
84 inline void setSourceExpression(const Expression::Ptr &expr)
85 {
86 Q_ASSERT(expr);
87 m_sourceExpression = expr;
88 }
89
90 /**
91 * @short Returns the expression which is the source the value for this
92 * parameter.
93 *
94 * Guaranteed to never be @c null.
95 */
96 inline Expression::Ptr sourceExpression() const
97 {
98 return m_sourceExpression;
99 }
100
101 private:
102 Expression::Ptr m_sourceExpression;
103 };
104
105 WithParam::WithParam(const QXmlName name,
106 const SequenceType::Ptr &type,
107 const Expression::Ptr &sourceExpression) : FunctionArgument(name, type)
108 , m_sourceExpression(sourceExpression)
109 {
110 Q_ASSERT(m_sourceExpression);
111 }
112
113}
114
115QT_END_NAMESPACE
116
117#endif
118

source code of qtxmlpatterns/src/xmlpatterns/expr/qwithparam_p.h