arabica/include/XSLT/impl/xslt_key.hpp
2009-02-16 22:10:00 +00:00

53 lines
1 KiB
C++

#ifndef ARABICA_XSLT_KEY_HPP
#define ARABICA_XSLT_KEY_HPP
namespace Arabica
{
namespace XSLT
{
class Key
{
public:
typedef std::vector<Arabica::XPath::MatchExpr<std::string> > MatchExprList;
Key(MatchExprList& matches,
Arabica::XPath::XPathExpression<std::string>& use) :
matches_(matches),
use_(use),
populated_(false)
{
} // Key
Arabica::DOM::Node<std::string> lookup(const std::string& value) const
{
if(!populated_)
populate();
NodeMap::const_iterator f = nodes_.find(value);
if(f == nodes_.end())
return DOM::Node<std::string>(0);
return f->second;
} // lookup
private:
void populate() const
{
std::cerr << "Populating key map " << std::endl;
populated_ = true;
} // populate
MatchExprList matches_;
Arabica::XPath::XPathExpression<std::string> use_;
mutable bool populated_;
typedef std::map<std::string, Arabica::DOM::Node<std::string> > NodeMap;
NodeMap nodes_;
}; // class Key
} // namespace XSLT
} // namespace Arabica
#endif