libstdc++
ov_tree_map_/constructors_destructor_fn_imps.hpp
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3 // Copyright (C) 2005, 2006, 2009, 2010, 2011 Free Software Foundation, Inc.
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25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
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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 }