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      1 // -*- C++ -*-
      2 
      3 // Copyright (C) 2005-2013 Free Software Foundation, Inc.
      4 //
      5 // This file is part of the GNU ISO C++ Library.  This library is free
      6 // software; you can redistribute it and/or modify it under the terms
      7 // of the GNU General Public License as published by the Free Software
      8 // Foundation; either version 3, or (at your option) any later
      9 // version.
     10 
     11 // This library is distributed in the hope that it will be useful, but
     12 // WITHOUT ANY WARRANTY; without even the implied warranty of
     13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     14 // General Public License for more details.
     15 
     16 // Under Section 7 of GPL version 3, you are granted additional
     17 // permissions described in the GCC Runtime Library Exception, version
     18 // 3.1, as published by the Free Software Foundation.
     19 
     20 // You should have received a copy of the GNU General Public License and
     21 // a copy of the GCC Runtime Library Exception along with this program;
     22 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
     23 // <http://www.gnu.org/licenses/>.
     24 
     25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
     26 
     27 // Permission to use, copy, modify, sell, and distribute this software
     28 // is hereby granted without fee, provided that the above copyright
     29 // notice appears in all copies, and that both that copyright notice
     30 // and this permission notice appear in supporting documentation. None
     31 // of the above authors, nor IBM Haifa Research Laboratories, make any
     32 // representation about the suitability of this software for any
     33 // purpose. It is provided "as is" without express or implied
     34 // warranty.
     35 
     36 /**
     37  * @file ov_tree_map_/constructors_destructor_fn_imps.hpp
     38  * Contains an implementation class for ov_tree_.
     39  */
     40 
     41 PB_DS_CLASS_T_DEC
     42 typename PB_DS_CLASS_C_DEC::value_allocator
     43 PB_DS_CLASS_C_DEC::s_value_alloc;
     44 
     45 PB_DS_CLASS_T_DEC
     46 typename PB_DS_CLASS_C_DEC::metadata_allocator
     47 PB_DS_CLASS_C_DEC::s_metadata_alloc;
     48 
     49 PB_DS_CLASS_T_DEC
     50 PB_DS_CLASS_C_DEC::
     51 PB_DS_OV_TREE_NAME() :
     52   m_a_values(0),
     53   m_a_metadata(0),
     54   m_end_it(0),
     55   m_size(0)
     56 { PB_DS_ASSERT_VALID((*this)) }
     57 
     58 PB_DS_CLASS_T_DEC
     59 PB_DS_CLASS_C_DEC::
     60 PB_DS_OV_TREE_NAME(const Cmp_Fn& r_cmp_fn) :
     61   cmp_fn(r_cmp_fn),
     62   m_a_values(0),
     63   m_a_metadata(0),
     64   m_end_it(0),
     65   m_size(0)
     66 { PB_DS_ASSERT_VALID((*this)) }
     67 
     68 PB_DS_CLASS_T_DEC
     69 PB_DS_CLASS_C_DEC::
     70 PB_DS_OV_TREE_NAME(const Cmp_Fn& r_cmp_fn, const node_update& r_nodeu) :
     71   cmp_fn(r_cmp_fn),
     72   node_update(r_nodeu),
     73   m_a_values(0),
     74   m_a_metadata(0),
     75   m_end_it(0),
     76   m_size(0)
     77 { PB_DS_ASSERT_VALID((*this)) }
     78 
     79 PB_DS_CLASS_T_DEC
     80 PB_DS_CLASS_C_DEC::
     81 PB_DS_OV_TREE_NAME(const PB_DS_CLASS_C_DEC& other) :
     82 #ifdef PB_DS_TREE_TRACE
     83   trace_base(other),
     84 #endif
     85   cmp_fn(other),
     86   node_update(other),
     87   m_a_values(0),
     88   m_a_metadata(0),
     89   m_end_it(0),
     90   m_size(0)
     91 {
     92   copy_from_ordered_range(other.begin(), other.end());
     93   PB_DS_ASSERT_VALID((*this))
     94 }
     95 
     96 PB_DS_CLASS_T_DEC
     97 template<typename It>
     98 inline void
     99 PB_DS_CLASS_C_DEC::
    100 copy_from_range(It first_it, It last_it)
    101 {
    102 #ifdef PB_DS_DATA_TRUE_INDICATOR
    103   typedef std::map<key_type, mapped_type, Cmp_Fn,
    104 		   typename _Alloc::template rebind<value_type>::other>
    105     map_type;
    106 #else
    107   typedef std::set<key_type, Cmp_Fn,
    108 		   typename _Alloc::template rebind<Key>::other>
    109     map_type;
    110 #endif
    111 
    112   map_type m(first_it, last_it);
    113   copy_from_ordered_range(m.begin(), m.end());
    114   PB_DS_ASSERT_VALID((*this))
    115 }
    116 
    117 PB_DS_CLASS_T_DEC
    118 template<typename It>
    119 void
    120 PB_DS_CLASS_C_DEC::
    121 copy_from_ordered_range(It first_it, It last_it)
    122 {
    123   const size_type len = std::distance(first_it, last_it);
    124   if (len == 0)
    125     return;
    126 
    127   value_vector a_values = s_value_alloc.allocate(len);
    128   iterator target_it = a_values;
    129   It source_it = first_it;
    130   It source_end_it = last_it;
    131 
    132   cond_dtor<size_type> cd(a_values, target_it, len);
    133   while (source_it != source_end_it)
    134     {
    135       void* __v = const_cast<void*>(static_cast<const void*>(target_it));
    136       new (__v) value_type(*source_it++);
    137       ++target_it;
    138     }
    139 
    140   reallocate_metadata((node_update*)this, len);
    141   cd.set_no_action();
    142   m_a_values = a_values;
    143   m_size = len;
    144   m_end_it = m_a_values + m_size;
    145   update(PB_DS_node_begin_imp(), (node_update*)this);
    146 
    147 #ifdef _GLIBCXX_DEBUG
    148   for (const_iterator dbg_it = m_a_values; dbg_it != m_end_it; ++dbg_it)
    149     debug_base::insert_new(PB_DS_V2F(*dbg_it));
    150 #endif
    151 }
    152 
    153 PB_DS_CLASS_T_DEC
    154 template<typename It>
    155 void
    156 PB_DS_CLASS_C_DEC::
    157 copy_from_ordered_range(It first_it, It last_it, It other_first_it,
    158 			It other_last_it)
    159 {
    160   clear();
    161   const size_type len = std::distance(first_it, last_it)
    162     			 + std::distance(other_first_it, other_last_it);
    163 
    164   value_vector a_values = s_value_alloc.allocate(len);
    165 
    166   iterator target_it = a_values;
    167   It source_it = first_it;
    168   It source_end_it = last_it;
    169 
    170   cond_dtor<size_type> cd(a_values, target_it, len);
    171   while (source_it != source_end_it)
    172     {
    173       new (const_cast<void* >(static_cast<const void* >(target_it)))
    174 	value_type(*source_it++);
    175       ++target_it;
    176     }
    177 
    178   source_it = other_first_it;
    179   source_end_it = other_last_it;
    180 
    181   while (source_it != source_end_it)
    182     {
    183       new (const_cast<void* >(static_cast<const void* >(target_it)))
    184 	value_type(*source_it++);
    185       ++target_it;
    186     }
    187 
    188   reallocate_metadata((node_update* )this, len);
    189   cd.set_no_action();
    190   m_a_values = a_values;
    191   m_size = len;
    192   m_end_it = m_a_values + m_size;
    193   update(PB_DS_node_begin_imp(), (node_update* )this);
    194 
    195 #ifdef _GLIBCXX_DEBUG
    196   for (const_iterator dbg_it = m_a_values; dbg_it != m_end_it; ++dbg_it)
    197     debug_base::insert_new(PB_DS_V2F(*dbg_it));
    198 #endif
    199 }
    200 
    201 PB_DS_CLASS_T_DEC
    202 void
    203 PB_DS_CLASS_C_DEC::
    204 swap(PB_DS_CLASS_C_DEC& other)
    205 {
    206   PB_DS_ASSERT_VALID((*this))
    207   PB_DS_ASSERT_VALID(other)
    208   value_swap(other);
    209   std::swap(static_cast<cmp_fn&>(*this),
    210 	    static_cast<cmp_fn&>(other));
    211   std::swap(static_cast<traits_base&>(*this),
    212 	    static_cast<traits_base&>(other));
    213   PB_DS_ASSERT_VALID(other)
    214   PB_DS_ASSERT_VALID((*this))
    215 }
    216 
    217 PB_DS_CLASS_T_DEC
    218 void
    219 PB_DS_CLASS_C_DEC::
    220 value_swap(PB_DS_CLASS_C_DEC& other)
    221 {
    222   _GLIBCXX_DEBUG_ONLY(debug_base::swap(other);)
    223   std::swap(m_a_values, other.m_a_values);
    224   std::swap(m_a_metadata, other.m_a_metadata);
    225   std::swap(m_size, other.m_size);
    226   std::swap(m_end_it, other.m_end_it);
    227 }
    228 
    229 PB_DS_CLASS_T_DEC
    230 PB_DS_CLASS_C_DEC::
    231 ~PB_DS_OV_TREE_NAME()
    232 {
    233   PB_DS_ASSERT_VALID((*this))
    234   cond_dtor<size_type> cd(m_a_values, m_end_it, m_size);
    235   reallocate_metadata((node_update*)this, 0);
    236 }
    237 
    238 PB_DS_CLASS_T_DEC
    239 inline void
    240 PB_DS_CLASS_C_DEC::
    241 update(node_iterator, null_node_update_pointer)
    242 { }
    243 
    244 PB_DS_CLASS_T_DEC
    245 template<typename Node_Update>
    246 void
    247 PB_DS_CLASS_C_DEC::
    248 update(node_iterator nd_it, Node_Update* p_update)
    249 {
    250   node_const_iterator end_it = PB_DS_node_end_imp();
    251   if (nd_it != end_it)
    252     {
    253       update(nd_it.get_l_child(), p_update);
    254       update(nd_it.get_r_child(), p_update);
    255       node_update::operator()(nd_it, end_it);
    256     }
    257 }
    258