mirror of
https://github.com/jezhiggins/arabica
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65 lines
1.9 KiB
C++
65 lines
1.9 KiB
C++
#ifndef ARABICA_XSLT_VARIABLE_IMPL_HPP
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#define ARABICA_XSLT_VARIABLE_IMPL_HPP
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#include <XPath/XPath.hpp>
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#include <memory>
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#include "xslt_item.hpp"
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#include "xslt_execution_context.hpp"
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namespace Arabica
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{
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namespace XSLT
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{
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class Variable_impl : public ItemContainer, public Variable_declaration
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{
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protected:
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Variable_impl(const std::string& name,
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const Arabica::XPath::XPathExpressionPtr<std::string>& select,
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const Precedence& precedence) :
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name_(name),
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select_(select),
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precedence_(precedence)
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{
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} // Variable_impl
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virtual ~Variable_impl() { }
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public:
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virtual const std::string& name() const { return name_; }
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virtual Arabica::XPath::XPathValue<std::string> value(const DOM::Node<std::string>& node,
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ExecutionContext& context) const
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{
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if(select_)
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return select_->evaluate(node, context.xpathContext());
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DOMSink sink;
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{
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RedirectOutputFrame redirect(context, sink);
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StackFrame frame(context);
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execute_children(node, context);
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} //
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if(sink.node() == 0)
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return Arabica::XPath::StringValue<std::string, Arabica::default_string_adaptor<std::string> >::createValue("");
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Arabica::XPath::NodeSet<std::string> nodeset;
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for(DOM::Node<std::string> n = sink.node().getFirstChild(); n != 0; n = n.getNextSibling())
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nodeset.push_back(n);
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return Arabica::XPath::NodeSetValue<std::string, Arabica::default_string_adaptor<std::string> >::createValue(nodeset);
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} // value
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virtual const Precedence& precedence() const { return precedence_; }
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private:
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std::string name_;
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Arabica::XPath::XPathExpressionPtr<std::string> select_;
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Precedence precedence_;
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}; // Variable_impl
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} // namespace XSLT
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} // namespace Arabica
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#endif // ARABICA_XSLT_VARIABLE_IMPL_HPP
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