mirror of
https://github.com/jezhiggins/arabica
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76 lines
2.4 KiB
C++
76 lines
2.4 KiB
C++
#ifndef ARABICA_XPATHIC_MATCH_HPP
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#define ARABICA_XPATHIC_MATCH_HPP
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#include <vector>
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#include "xpath_expression.hpp"
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#include "xpath_value.hpp"
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namespace Arabica
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{
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namespace XPath
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{
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template<class string_type, class string_adaptor = Arabica::default_string_adaptor<string_type> >
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struct MatchExpr
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{
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MatchExpr(XPathExpression<string_type, string_adaptor>* match, double priority) :
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match_(match), priority_(priority) { }
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MatchExpr(const MatchExpr& rhs) :
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match_(rhs.match_), priority_(rhs.priority_) { }
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MatchExpr& operator=(const MatchExpr& rhs)
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{ match_ = rhs.match_; priority_ = rhs.priority_; return *this; }
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XPathExpressionPtr<string_type, string_adaptor> match_;
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double priority_;
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}; // MatchExpr
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namespace impl
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{
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template<class string_type, class string_adaptor>
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class MatchExpressionWrapper : public XPathExpression<string_type, string_adaptor>
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{
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public:
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MatchExpressionWrapper(XPathExpression<string_type, string_adaptor>* expr, double priority)
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{
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add_match(expr, priority);
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} // MatchExpressionWrapper
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MatchExpressionWrapper(XPathExpression<string_type, string_adaptor>* expr)
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{
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add_matches(expr);
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} // MatchExpressionWrapper
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virtual XPathValuePtr<string_type, string_adaptor> evaluate(const DOM::Node<string_type, string_adaptor>& context,
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const ExecutionContext<string_type, string_adaptor>& executionContext) const
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{
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throw std::runtime_error("MatchExpressionWrapper - you should never see this");
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} // evaluate
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const std::vector<MatchExpr<string_type, string_adaptor> >& matches() const
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{
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return matches_;
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} // matches
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void add_match(XPathExpression<string_type, string_adaptor>* match, double priority)
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{
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matches_.push_back(MatchExpr<string_type, string_adaptor>(match, priority));
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} // add_match
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void add_matches(XPathExpression<string_type, string_adaptor>* wrapper)
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{
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const std::vector<MatchExpr<string_type, string_adaptor> >& more = static_cast<impl::MatchExpressionWrapper<string_type, string_adaptor>*>(wrapper)->matches();
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for(typename std::vector<MatchExpr<string_type, string_adaptor> >::const_iterator m = more.begin(), me = more.end(); m != me; ++m)
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matches_.push_back(*m);
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delete wrapper;
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} // add_matches
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private:
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std::vector<MatchExpr<string_type, string_adaptor> > matches_;
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}; // class MatchExpressionWrapper
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} // namespace impl
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} // namespace XPath
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} // namespace Arabica
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#endif
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