libstdc++
pat_trie_/trace_fn_imps.hpp
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00001 // -*- C++ -*-
00002 
00003 // Copyright (C) 2005, 2006, 2009, 2010 Free Software Foundation, Inc.
00004 //
00005 // This file is part of the GNU ISO C++ Library.  This library is free
00006 // software; you can redistribute it and/or modify it under the terms
00007 // of the GNU General Public License as published by the Free Software
00008 // Foundation; either version 3, or (at your option) any later
00009 // version.
00010 
00011 // This library is distributed in the hope that it will be useful, but
00012 // WITHOUT ANY WARRANTY; without even the implied warranty of
00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014 // General Public License for more details.
00015 
00016 // Under Section 7 of GPL version 3, you are granted additional
00017 // permissions described in the GCC Runtime Library Exception, version
00018 // 3.1, as published by the Free Software Foundation.
00019 
00020 // You should have received a copy of the GNU General Public License and
00021 // a copy of the GCC Runtime Library Exception along with this program;
00022 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
00023 // <http://www.gnu.org/licenses/>.
00024 
00025 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
00026 
00027 // Permission to use, copy, modify, sell, and distribute this software
00028 // is hereby granted without fee, provided that the above copyright
00029 // notice appears in all copies, and that both that copyright notice
00030 // and this permission notice appear in supporting documentation. None
00031 // of the above authors, nor IBM Haifa Research Laboratories, make any
00032 // representation about the suitability of this software for any
00033 // purpose. It is provided "as is" without express or implied
00034 // warranty.
00035 
00036 /**
00037  * @file pat_trie_/trace_fn_imps.hpp
00038  * Contains an implementation class for pat_trie_.
00039  */
00040 
00041 #ifdef PB_DS_PAT_TRIE_TRACE_
00042 
00043 PB_DS_CLASS_T_DEC
00044 void
00045 PB_DS_CLASS_C_DEC::
00046 trace() const
00047 {
00048   std::cerr << std::endl;
00049   if (m_p_head->m_p_parent == 0)
00050     return;
00051   trace_node(m_p_head->m_p_parent, 0);
00052   std::cerr << std::endl;
00053 }
00054 
00055 PB_DS_CLASS_T_DEC
00056 void
00057 PB_DS_CLASS_C_DEC::
00058 trace_node(node_const_pointer p_nd, size_type level)
00059 {
00060   for (size_type i = 0; i < level; ++i)
00061     std::cerr << ' ';
00062   std::cerr << p_nd << " ";
00063   std::cerr << ((p_nd->m_type == pat_trie_leaf_node_type) ? "l " : "i ");
00064 
00065   trace_node_metadata(p_nd, type_to_type<typename node::metadata_type>());
00066   typename access_traits::const_iterator el_it = pref_begin(p_nd);
00067   while (el_it != pref_end(p_nd))
00068     {
00069       std::cerr <<* el_it;
00070       ++el_it;
00071     }
00072 
00073   if (p_nd->m_type == pat_trie_leaf_node_type)
00074     {
00075       std::cerr << std::endl;
00076       return;
00077     }
00078 
00079   inode_const_pointer p_internal = static_cast<inode_const_pointer>(p_nd);
00080 
00081   std::cerr << " " <<
00082     static_cast<unsigned long>(p_internal->get_e_ind()) << std::endl;
00083 
00084   const size_type num_children = std::distance(p_internal->begin(),
00085                            p_internal->end());
00086 
00087   for (size_type child_i = 0; child_i < num_children; ++child_i)
00088     {
00089       typename inode::const_iterator child_it = p_internal->begin();
00090       std::advance(child_it, num_children - child_i - 1);
00091       trace_node(*child_it, level + 1);
00092     }
00093 }
00094 
00095 PB_DS_CLASS_T_DEC
00096 template<typename Metadata_>
00097 void
00098 PB_DS_CLASS_C_DEC::
00099 trace_node_metadata(node_const_pointer p_nd, type_to_type<Metadata_>)
00100 {
00101   std::cerr << "(" << static_cast<unsigned long>(p_nd->get_metadata()) << ") ";
00102 }
00103 
00104 PB_DS_CLASS_T_DEC
00105 void
00106 PB_DS_CLASS_C_DEC::
00107 trace_node_metadata(node_const_pointer, type_to_type<null_type>)
00108 { }
00109 
00110 #endif 
00111