arabica/include/XSLT/impl/xslt_variable_impl.hpp
2007-07-19 17:01:42 +00:00

60 lines
1.8 KiB
C++

#ifndef ARABICA_XSLT_VARIABLE_IMPL_HPP
#define ARABICA_XSLT_VARIABLE_IMPL_HPP
#include <XPath/XPath.hpp>
#include <memory>
#include "xslt_item.hpp"
#include "xslt_execution_context.hpp"
namespace Arabica
{
namespace XSLT
{
class Variable_impl : public ItemContainer, public Variable_declaration
{
protected:
Variable_impl(const std::string& namespace_uri,
const std::string& name,
Arabica::XPath::XPathExpressionPtr<std::string> select) :
namespace_uri_(namespace_uri),
name_(name),
select_(select)
{
} // Variable_impl
virtual ~Variable_impl() { }
public:
virtual const std::string& namespace_uri() const { return namespace_uri_; }
virtual const std::string& name() const { return name_; }
virtual Arabica::XPath::XPathValuePtr<std::string> value(const DOM::Node<std::string>& node,
ExecutionContext& context,
DOMSink& sink) const
{
if(select_)
return select_->evaluate(node, context.xpathContext());
execute_children(node, context);
if(sink.node() == 0)
return Arabica::XPath::StringValue<std::string, Arabica::default_string_adaptor<std::string> >::createValue("");
Arabica::XPath::NodeSet<std::string> nodeset;
for(DOM::Node<std::string> n = sink.node().getFirstChild(); n != 0; n = n.getNextSibling())
nodeset.push_back(n);
return Arabica::XPath::NodeSetValue<std::string, Arabica::default_string_adaptor<std::string> >::createValue(nodeset);
} // value
private:
std::string namespace_uri_;
std::string name_;
Arabica::XPath::XPathExpressionPtr<std::string> select_;
}; // Variable_impl
} // namespace XSLT
} // namespace Arabica
#endif // ARABICA_XSLT_VARIABLE_IMPL_HPP