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39
40#include "qtemplateinvoker_p.h"
41
42QT_BEGIN_NAMESPACE
43
44using namespace QPatternist;
45
46TemplateInvoker::TemplateInvoker(const WithParam::Hash &withParams,
47 const QXmlName &name) : CallSite(name)
48 , m_withParams(withParams)
49{
50 const WithParam::Hash::const_iterator end(m_withParams.constEnd());
51
52 for(WithParam::Hash::const_iterator it(m_withParams.constBegin()); it != end; ++it)
53 {
54 /* In the case of for instance:
55 * <xsl:with-param name="empty_seq" as="item()"/>
56 *
57 * we have no default expression. */
58 Q_ASSERT(it.value()->sourceExpression());
59 m_operands.append(t: it.value()->sourceExpression());
60 }
61}
62
63Expression::Ptr TemplateInvoker::compress(const StaticContext::Ptr &context)
64{
65 /* CallSite::compress() may have changed our children, so update
66 * our m_withParams. */
67 const Expression::Ptr me(CallSite::compress(context));
68 const WithParam::Hash::const_iterator end(m_withParams.constEnd());
69 int exprIndex = -1;
70
71 for(WithParam::Hash::const_iterator it(m_withParams.constBegin()); it != end; ++it)
72 {
73 if(it.value()->sourceExpression())
74 {
75 ++exprIndex;
76 it.value()->setSourceExpression(m_operands.at(i: exprIndex));
77 }
78 }
79
80 return me;
81}
82
83SequenceType::List TemplateInvoker::expectedOperandTypes() const
84{
85 SequenceType::List result;
86
87 /* We don't return the type of the m_template->templateParameters(), we
88 * return the type of the @c xsl:with-param first. @em After that, we
89 * manually apply the parameter types in typeCheck(). */
90 const WithParam::Hash::const_iterator end(m_withParams.constEnd());
91
92 for(WithParam::Hash::const_iterator it(m_withParams.constBegin()); it != end; ++it)
93 {
94 /* We're not guaranteed to have a with-param, we may be using the
95 * default value of the xsl:param. Tunnel parameters may also play
96 * in. */
97 result.append(t: it.value()->type());
98 }
99
100 return result;
101}
102
103QT_END_NAMESPACE
104
105

source code of qtxmlpatterns/src/xmlpatterns/expr/qtemplateinvoker.cpp