namespace.cc

来自「C++ Reflection & Service Library」· CC 代码 · 共 75 行

/* C++ Reflection & Serice Library
 * Copyright (C) 2003  Marcus Perlick
 * mailto: [e-mail]
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 *
 * This file is part of the "C++ Reflection & Serice Library" */
#include "Namespace.hh"

#include "Type.hh"

namespace rfl {

  Namespace&
  Namespace::id( void )
  {
    static Namespace theRootNamespace;
    return theRootNamespace;
  }

  bool
  Namespace::Element::operator<( const Element& elm ) const
  {
    const mpu::String& n1 = nmspc_ ? nmspc_->name_ : type_->getName();
    const mpu::String& n2 = elm.nmspc_ 
      ? elm.nmspc_->name_ : elm.type_->getName();

    return n1 < n2;
  }

  Namespace::Namespace( void ) :
    name_( "" ),
    parent_( 0 ),
    root_( this )
  {}

  Namespace::Namespace( const std::string& name, Namespace* parent ) :
    name_( name ),
    parent_( parent->insert( *this ) ==  this ? parent : 0 ),
    root_( parent_ ? parent->root_ : this )
  {}
  
  Namespace*
  Namespace::insert( Namespace& nmspc )
  {
    Element newElm = { &nmspc, 0 };
    std::pair<ElmSet::iterator,ElmSet::iterator> 
      f = elms_.equal_range( newElm );

    if ( f.first == f.second ) {
      elms_.insert( f.first, newElm );
    }
    else if ( f.first->nmspc_ != 0 ) {
      return f.first->nmspc_;
    }

    const_cast<Element&>(*f.first).nmspc_ = &nmspc;
    return &nmspc;
  }

} // namespace rfl