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39
40#include "qboolean_p.h"
41#include "qcommonvalues_p.h"
42#include "qliteral_p.h"
43
44#include "qorexpression_p.h"
45
46QT_BEGIN_NAMESPACE
47
48using namespace QPatternist;
49
50OrExpression::OrExpression(const Expression::Ptr &operand1,
51 const Expression::Ptr &operand2) : AndExpression(operand1, operand2)
52{
53}
54
55bool OrExpression::evaluateEBV(const DynamicContext::Ptr &context) const
56{
57 return m_operand1->evaluateEBV(context) || m_operand2->evaluateEBV(context);
58}
59
60Expression::Ptr OrExpression::compress(const StaticContext::Ptr &context)
61{
62 const Expression::Ptr newMe(PairContainer::compress(context));
63
64 if(newMe != this)
65 return newMe;
66
67 /* Both operands mustn't be evaluated in order to be able to compress. */
68 if(m_operand1->isEvaluated() && m_operand1->evaluateEBV(context: context->dynamicContext()))
69 return wrapLiteral(item: CommonValues::BooleanTrue, context, r: this);
70 else if(m_operand2->isEvaluated() && m_operand2->evaluateEBV(context: context->dynamicContext()))
71 return wrapLiteral(item: CommonValues::BooleanTrue, context, r: this);
72 else
73 return Expression::Ptr(this);
74}
75
76ExpressionVisitorResult::Ptr OrExpression::accept(const ExpressionVisitor::Ptr &visitor) const
77{
78 return visitor->visit(this);
79}
80
81QT_END_NAMESPACE
82

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