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added NodeSetXPathFunction base class

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jez 2009-07-13 09:24:03 +01:00
parent 428121bab4
commit b56f09d2d9
1 changed files with 20 additions and 0 deletions
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20
include/XPath/impl/xpath_function.hpp
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@ -136,6 +136,26 @@ protected:
const ExecutionContext<string_type, string_adaptor>& executionContext) const = 0; const ExecutionContext<string_type, string_adaptor>& executionContext) const = 0;
}; // class StringXPathFunction }; // class StringXPathFunction
template<class string_type, class string_adaptor = Arabica::default_string_adaptor<string_type> >
class NodeSetXPathFunction : public XPathFunction<string_type, string_adaptor>
{
public:
NodeSetXPathFunction(int minArgs, int maxArgs, const std::vector<XPathExpression<string_type, string_adaptor> >& args) :
XPathFunction(minArgs, maxArgs, args) { }
virtual ValueType type() const { return NODE_SET; }
virtual XPathValue_impl<string_type, string_adaptor>* evaluate(const DOM::Node<string_type, string_adaptor>& context,
const ExecutionContext<string_type, string_adaptor>& executionContext) const
{
return new NodeSetValue<string_type, string_adaptor>(doEvaluate(context, executionContext));
} // evaluate
protected:
virtual NodeSet<string_type, string_adaptor> doEvaluate(const DOM::Node<string_type, string_adaptor>& context,
const ExecutionContext<string_type, string_adaptor>& executionContext) const = 0;
}; // class NodeSetXPathFunction
namespace impl namespace impl
{ {