diff options
Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/bin_search_tree_/insert_fn_imps.hpp')
| -rw-r--r-- | gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/bin_search_tree_/insert_fn_imps.hpp | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/bin_search_tree_/insert_fn_imps.hpp b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/bin_search_tree_/insert_fn_imps.hpp new file mode 100644 index 000000000..3abf0a08d --- /dev/null +++ b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/bin_search_tree_/insert_fn_imps.hpp @@ -0,0 +1,211 @@ +// -*- C++ -*- + +// Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the terms +// of the GNU General Public License as published by the Free Software +// Foundation; either version 3, 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 +// General Public License for more details. + +// Under Section 7 of GPL version 3, you are granted additional +// permissions described in the GCC Runtime Library Exception, version +// 3.1, as published by the Free Software Foundation. + +// You should have received a copy of the GNU General Public License and +// a copy of the GCC Runtime Library Exception along with this program; +// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +// <http://www.gnu.org/licenses/>. + +// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. + +// Permission to use, copy, modify, sell, and distribute this software +// is hereby granted without fee, provided that the above copyright +// notice appears in all copies, and that both that copyright notice +// and this permission notice appear in supporting documentation. None +// of the above authors, nor IBM Haifa Research Laboratories, make any +// representation about the suitability of this software for any +// purpose. It is provided "as is" without express or implied +// warranty. + +/** + * @file insert_fn_imps.hpp + * Contains an implementation class for bin_search_tree_. + */ + +PB_DS_CLASS_T_DEC +inline std::pair<typename PB_DS_CLASS_C_DEC::point_iterator, bool> +PB_DS_CLASS_C_DEC:: +insert_leaf(const_reference r_value) +{ + _GLIBCXX_DEBUG_ONLY(structure_only_assert_valid();) + + if (m_size == 0) + return (std::make_pair( + insert_imp_empty(r_value), + true)); + + node_pointer p_nd = m_p_head->m_p_parent; + node_pointer p_pot = m_p_head; + + while (p_nd != NULL) + if (!Cmp_Fn::operator()( + PB_DS_V2F(p_nd->m_value), + PB_DS_V2F(r_value))) + { + p_pot = p_nd; + + p_nd = p_nd->m_p_left; + } + else + p_nd = p_nd->m_p_right; + + if (p_pot == m_p_head) + return (std::make_pair( + insert_leaf_new(r_value, m_p_head->m_p_right, false), + true)); + + if (!Cmp_Fn::operator()( + PB_DS_V2F(r_value), + PB_DS_V2F(p_pot->m_value))) + { + _GLIBCXX_DEBUG_ONLY(structure_only_assert_valid();) + + _GLIBCXX_DEBUG_ONLY(debug_base::check_key_exists( + PB_DS_V2F(r_value))); + + return (std::make_pair(p_pot, false)); + } + + _GLIBCXX_DEBUG_ONLY(debug_base::check_key_does_not_exist( + PB_DS_V2F(r_value))); + + p_nd = p_pot->m_p_left; + if (p_nd == NULL) + return (std::make_pair( + insert_leaf_new(r_value, p_pot, true), + true)); + + while (p_nd->m_p_right != NULL) + p_nd = p_nd->m_p_right; + + return (std::make_pair( + insert_leaf_new(r_value, p_nd, false), + true)); +} + +PB_DS_CLASS_T_DEC +inline typename PB_DS_CLASS_C_DEC::iterator +PB_DS_CLASS_C_DEC:: +insert_leaf_new(const_reference r_value, node_pointer p_nd, bool left_nd) +{ + node_pointer p_new_nd = + get_new_node_for_leaf_insert( r_value, traits_base::m_no_throw_copies_indicator); + + if (left_nd) + { + _GLIBCXX_DEBUG_ASSERT(p_nd->m_p_left == NULL); + _GLIBCXX_DEBUG_ASSERT(Cmp_Fn::operator()( + PB_DS_V2F(r_value), + PB_DS_V2F(p_nd->m_value))); + + p_nd->m_p_left = p_new_nd; + + if (m_p_head->m_p_left == p_nd) + m_p_head->m_p_left = p_new_nd; + } + else + { + _GLIBCXX_DEBUG_ASSERT(p_nd->m_p_right == NULL); + _GLIBCXX_DEBUG_ASSERT(Cmp_Fn::operator()( + PB_DS_V2F(p_nd->m_value), + PB_DS_V2F(r_value))); + + p_nd->m_p_right = p_new_nd; + + if (m_p_head->m_p_right == p_nd) + m_p_head->m_p_right = p_new_nd; + } + + p_new_nd->m_p_parent = p_nd; + + p_new_nd->m_p_left = p_new_nd->m_p_right = NULL; + + _GLIBCXX_DEBUG_ONLY(assert_node_consistent(p_nd)); + + update_to_top(p_new_nd, (node_update* )this); + + _GLIBCXX_DEBUG_ONLY(debug_base::insert_new( + PB_DS_V2F(r_value))); + + return (iterator(p_new_nd)); +} + +PB_DS_CLASS_T_DEC +inline typename PB_DS_CLASS_C_DEC::iterator +PB_DS_CLASS_C_DEC:: +insert_imp_empty(const_reference r_value) +{ + node_pointer p_new_node = + get_new_node_for_leaf_insert( r_value, traits_base::m_no_throw_copies_indicator); + + m_p_head->m_p_left = m_p_head->m_p_right = + m_p_head->m_p_parent = p_new_node; + + p_new_node->m_p_parent = m_p_head; + + p_new_node->m_p_left = p_new_node->m_p_right = NULL; + + _GLIBCXX_DEBUG_ONLY(debug_base::insert_new( + PB_DS_V2F(r_value))); + + update_to_top(m_p_head->m_p_parent, (node_update* )this); + + return (iterator(p_new_node)); +} + +PB_DS_CLASS_T_DEC +inline typename PB_DS_CLASS_C_DEC::node_pointer +PB_DS_CLASS_C_DEC:: +get_new_node_for_leaf_insert(const_reference r_val, false_type) +{ + node_pointer p_new_nd = s_node_allocator.allocate(1); + + cond_dealtor_t cond(p_new_nd); + + new (const_cast<void* >( + static_cast<const void* >(&p_new_nd->m_value))) + typename node::value_type(r_val); + + cond.set_no_action(); + + p_new_nd->m_p_left = p_new_nd->m_p_right = NULL; + + ++m_size; + + return (p_new_nd); +} + +PB_DS_CLASS_T_DEC +inline typename PB_DS_CLASS_C_DEC::node_pointer +PB_DS_CLASS_C_DEC:: +get_new_node_for_leaf_insert(const_reference r_val, true_type) +{ + node_pointer p_new_nd = s_node_allocator.allocate(1); + + new (const_cast<void* >( + static_cast<const void* >(&p_new_nd->m_value))) + typename node::value_type(r_val); + + p_new_nd->m_p_left = p_new_nd->m_p_right = NULL; + + ++m_size; + + return (p_new_nd); +} + |