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// file      : cutl/xml/qname.hxx
// copyright : Copyright (c) 2009-2017 Code Synthesis Tools CC
// license   : MIT; see accompanying LICENSE file

#ifndef CUTL_XML_QNAME_HXX
#define CUTL_XML_QNAME_HXX

#include <string>
#include <iosfwd>

#include <cutl/details/export.hxx>

namespace cutl
{
  namespace xml
  {
    // Note that the optional prefix is just a "syntactic sugar". In
    // particular, it is ignored by the comparison operators and the
    // std::ostream insertion operator.
    //
    class LIBCUTL_EXPORT qname
    {
    public:
      qname () {}
      qname (const std::string& name): name_ (name) {}
      qname (const std::string& ns, const std::string& name)
          : ns_ (ns), name_ (name) {}
      qname (const std::string& ns,
             const std::string& name,
             const std::string& prefix)
          : ns_ (ns), name_ (name), prefix_ (prefix) {}

      const std::string& namespace_ () const {return ns_;}
      const std::string& name () const {return name_;}
      const std::string& prefix () const {return prefix_;}

      std::string& namespace_ () {return ns_;}
      std::string& name () {return name_;}
      std::string& prefix () {return prefix_;}

      // Printable representation in the [<namespace>#]<name> form.
      //
      std::string
      string () const;

      // Note that comparison operators
      //
    public:
      friend bool
      operator< (const qname& x, const qname& y)
      {
        return x.ns_ < y.ns_ || (x.ns_ == y.ns_ && x.name_ < y.name_);
      }

      friend bool
      operator== (const qname& x, const qname& y)
      {
        return x.ns_ == y.ns_ && x.name_ == y.name_;
      }

      friend bool
      operator!= (const qname& x, const qname& y)
      {
        return !(x == y);
      }

    private:
      std::string ns_;
      std::string name_;
      std::string prefix_;
    };

    LIBCUTL_EXPORT
    std::ostream&
    operator<< (std::ostream&, const qname&);
  }
}

#endif // CUTL_XML_QNAME_HXX