-
Notifications
You must be signed in to change notification settings - Fork 2
/
doublyLinkedList.au3
261 lines (241 loc) · 9.75 KB
/
doublyLinkedList.au3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
#cs
# Doubly Linked List in AutoIt
#
# @author genius257
# @see https://medium.com/dev-blogs/ds-with-js-linked-lists-ii-3b387596e27e
#ce
#include <Memory.au3>
$tagDoublyLinkedList = "PTR head;PTR tail;"
$tagDoublyLinkedListNode = "PTR previous;PTR data;PTR next;"
;_MemGlobalAlloc
;_MemVirtualAllocEx
;_WinAPI_CoTaskMemAlloc
;NOTE: remove functions does currently not release the node memory
;TODO: _doublyLinkedList_Swap breaks when nodeOne >= nodeTwo
#cs
# Append item to the list
#
# @param struct|handle $vDoublyLinkedList A reference to a doubly linked list
# @param struct|handle $vItem A reference to a value, either by structure or by handle
#ce
Func _doublyLinkedList_Append($vDoublyLinkedList, $vItem)
Local $tDoublyLinkedList = IsDllStruct($vDoublyLinkedList) ? $vDoublyLinkedList : DllStructCreate($tagDoublyLinkedList, $vDoublyLinkedList)
Local $hItem = IsDllStruct($vItem) ? __doublyLinkedList_StructToMem($vItem) : $vItem
Local $hNode = __doublyLinkedList_StructToMem(DllStructCreate($tagDoublyLinkedListNode))
Local $tNode = DllStructCreate($tagDoublyLinkedListNode, $hNode)
$tNode.data = $hItem
If $tDoublyLinkedList.head = 0 Then
$tDoublyLinkedList.head = $hNode
$tDoublyLinkedList.tail = $hNode
Else
$tNode.previous = $tDoublyLinkedList.tail
$tTailNode = DllStructCreate($tagDoublyLinkedListNode, $tDoublyLinkedList.tail)
$tTailNode.next = $hNode
$tDoublyLinkedList.tail = $hNode
EndIf
EndFunc
#cs
# Append item to the list, at a requested position
#
# @param struct|handle $vDoublyLinkedList A reference to a doubly linked list
# @param int $pos The position the item will be inserted
# @param struct|handle $vItem A reference to a value, either by structure or by handle
#ce
Func _doublyLinkedList_AppendAt($vDoublyLinkedList, $pos, $vItem)
Local $fNode = __doublyLinkedList_Node
Local $tDoublyLinkedList = IsDllStruct($vDoublyLinkedList) ? $vDoublyLinkedList : DllStructCreate($tagDoublyLinkedList, $vDoublyLinkedList)
Local $current = $tDoublyLinkedList.head
Local $counter = 1
Local $hItem = IsDllStruct($vItem) ? __doublyLinkedList_StructToMem($vItem) : $vItem
Local $hNode = __doublyLinkedList_StructToMem(DllStructCreate($tagDoublyLinkedListNode))
Local $tNode = $fNode($hNode)
$tNode.data = $hItem
If $pos = 0 Then
$tHeadNode = $fNode($tDoublyLinkedList.head)
$tHeadNode.previous = $hNode
$tNode.next = $tDoublyLinkedList.head
$tDoublyLinkedList.head = $hNode
Else
While $current
$current = $fNode($current).next
If $counter = $pos Then
$tNode.previous = $fNode($current).previous
Local $tPreviousNode = $fNode($fNode($current).previous)
$tPreviousNode.next = $hNode
$tNode.next = $current
Local $tCurrentNode = $fNode($current)
$tCurrentNode.previous = $hNode
EndIf
$counter+=1
WEnd
EndIf
EndFunc
Func _doublyLinkedList_Remove($vDoublyLinkedList, $hItem)
Local $fNode = __doublyLinkedList_Node
Local $tDoublyLinkedList = IsDllStruct($vDoublyLinkedList) ? $vDoublyLinkedList : DllStructCreate($tagDoublyLinkedList, $vDoublyLinkedList)
Local $current = $tDoublyLinkedList.head
While $current
If $fNode($current).data = $hItem Then
If $current = $tDoublyLinkedList.head And $current = $tDoublyLinkedList.tail Then
$tDoublyLinkedList.head = 0
$tDoublyLinkedList.tail = 0
ElseIf $current = $tDoublyLinkedList.head Then
$tDoublyLinkedList.head = $fNode($tDoublyLinkedList.head).next
Local $tHeadNode = $fNode($tDoublyLinkedList.head)
$tHeadNode.previous = 0
ElseIf $current = $tDoublyLinkedList.tail Then
$tDoublyLinkedList.tail = $fNode($tDoublyLinkedList.tail).previous
Local $tTailNode = $fNode($tDoublyLinkedList.tail)
$tTailNode.next = 0
Else
Local $tPreviousNode = $fNode($fNode($current).previous)
Local $tNextNode = $fNode($fNode($current).next)
$tPreviousNode.next = $fNode($current).next
$tNextNode.previous = $fNode($current).previous
EndIf
EndIf
$current = $fNode($current).next
WEnd
EndFunc
Func _doublyLinkedList_RemoveAt($vDoublyLinkedList, $pos)
Local $fNode = __doublyLinkedList_Node
Local $tDoublyLinkedList = IsDllStruct($vDoublyLinkedList) ? $vDoublyLinkedList : DllStructCreate($tagDoublyLinkedList, $vDoublyLinkedList)
Local $current = $tDoublyLinkedList.head
Local $counter = 1
If $pos = 0 Then
$tDoublyLinkedList.head = $fNode($tDoublyLinkedList.head).next
$tHeadNode = $fNode($tDoublyLinkedList.head)
$tHeadNode.previous = 0
Else
While $current
$current = $fNode($current).next
If $current = $tDoublyLinkedList.tail Then
$tDoublyLinkedList.tail = $fNode($tDoublyLinkedList.tail).previous
Local $tTailNode = $fNode($tDoublyLinkedList.tail)
$tTailNode.next = 0
ElseIf $counter = $pos Then
Local $tPreviousNode = $fNode($fNode($current).previous)
$tPreviousNode.next = $fNode($current).next
Local $tNextNode = $fNode($fNode($current).next)
$tNextNode.previous = $fNode($current).previous
ExitLoop
EndIf
$counter+=1
WEnd
EndIf
EndFunc
Func _doublyLinkedList_Reverse($vDoublyLinkedList)
Local $fNode = __doublyLinkedList_Node
Local $tDoublyLinkedList = IsDllStruct($vDoublyLinkedList) ? $vDoublyLinkedList : DllStructCreate($tagDoublyLinkedList, $vDoublyLinkedList)
Local $current = $tDoublyLinkedList.head
local $prev = 0
While $current
Local $next = $fNode($current).next
Local $tCurrent = $fNode($current)
$tCurrent.next = $prev
$tCurrent.previous = $next
$prev = $current
$current = $next
WEnd
$tDoublyLinkedList.tail = $tDoublyLinkedList.head
$tDoublyLinkedList.head = $prev
EndFunc
Func _doublyLinkedList_Swap($vDoublyLinkedList, $nodeOne, $nodeTwo)
Local $fNode = __doublyLinkedList_Node
Local $tDoublyLinkedList = IsDllStruct($vDoublyLinkedList) ? $vDoublyLinkedList : DllStructCreate($tagDoublyLinkedList, $vDoublyLinkedList)
Local $current = $tDoublyLinkedList.head
Local $counter = 0
Local $firstNode
While $current
If $counter = $nodeOne Then
$firstNode = $current
ElseIf $counter = $nodeTwo Then
Local $tCurrent = $fNode($current)
Local $tFirstNode = $fNode($firstNode)
Local $temp = $tCurrent.data
$tCurrent.data = $tFirstNode.data
$tFirstNode.data = $temp
EndIf
$current = $fNode($current).next
$counter+=1
WEnd
return True
EndFunc
Func _doublyLinkedList_IsEmpty($vDoublyLinkedList)
Return _doublyLinkedList_Length($vDoublyLinkedList) < 1
EndFunc
Func _doublyLinkedList_Length($vDoublyLinkedList)
Local $fNode = __doublyLinkedList_Node
Local $tDoublyLinkedList = IsDllStruct($vDoublyLinkedList) ? $vDoublyLinkedList : DllStructCreate($tagDoublyLinkedList, $vDoublyLinkedList)
Local $current = $tDoublyLinkedList.head
Local $counter = 0
While $current
$counter+=1
$current = $fNode($current).next
WEnd
Return $counter
EndFunc
Func _doublyLinkedList_Traverse($vDoublyLinkedList, $fn)
Local $fNode = __doublyLinkedList_Node
Local $tDoublyLinkedList = IsDllStruct($vDoublyLinkedList) ? $vDoublyLinkedList : DllStructCreate($tagDoublyLinkedList, $vDoublyLinkedList)
Local $current = $tDoublyLinkedList.head
While $current
$tCurrent = $fNode($current)
$fn($tCurrent)
$current = $tCurrent.next
WEnd
Return True
EndFunc
Func _doublyLinkedList_TraverseReverse($vDoublyLinkedList, $fn)
Local $fNode = __doublyLinkedList_Node
Local $tDoublyLinkedList = IsDllStruct($vDoublyLinkedList) ? $vDoublyLinkedList : DllStructCreate($tagDoublyLinkedList, $vDoublyLinkedList)
Local $current = $tDoublyLinkedList.tail
While $current
$tCurrent = $fNode($current)
$fn($tCurrent)
$current = $tCurrent.previous
WEnd
Return True
EndFunc
Func _doublyLinkedList_Search($vDoublyLinkedList, $hData)
Local $fNode = __doublyLinkedList_Node
Local $tDoublyLinkedList = IsDllStruct($vDoublyLinkedList) ? $vDoublyLinkedList : DllStructCreate($tagDoublyLinkedList, $vDoublyLinkedList)
Local $current = $tDoublyLinkedList.head
Local $counter = 0
While $current
Local $tCurrent = $fNode($current)
If $tCurrent.data = $hData Then Return $counter
$current = $tCurrent.next
$counter+=1
WEnd
Return False
EndFunc
#cs
# Copies AutoIt struct to heap, for keeping data without storing the struct in a AutoIt variable
#
# @param struct $tStruct structure to copy to heap memory
#ce
Func __doublyLinkedList_StructToMem($tStruct)
Local $hBytes = _MemGlobalAlloc(DllStructGetSize($tStruct), $GPTR)
_MemMoveMemory(DllStructGetPtr($tStruct), $hBytes, DllStructGetSize($tStruct))
Return $hBytes
EndFunc
#cs
# Initiates node struct from node handle
#
# @param struct|handle $hNode
#
# @return struct
#ce
Func __doublyLinkedList_Node($hNode)
If IsDllStruct($hNode) Then Return $hNode
Return DllStructCreate($tagDoublyLinkedListNode, $hNode)
EndFunc
#cs
# Free memory with associated handle, allocated with doublyLinedList functions
#
# @param handle $hItem Memory pointer created with _MemGlobalAlloc
#ce
Func _doublyLinkedList_Release($hItem)
Return _MemGlobalFree($hItem)
EndFunc