-
Notifications
You must be signed in to change notification settings - Fork 0
/
set.h
193 lines (154 loc) · 7.64 KB
/
set.h
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
/*******
* Copyright 2017 Laurent Farhi
*
* This file is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, version 3.
*
* This file 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this file. If not, see <http://www.gnu.org/licenses/>.
*****/
////////////////////////////////////////////////////
// Original Author: Laurent Farhi
// Date: 22/1/2017
// Contact: [email protected]
//
// Based on design from Randy Gaul's Game Programming Blog http://cecilsunkure.blogspot.fr/2012/08/generic-programming-in-c.html
////////////////////////////////////////////////////
#pragma once
#ifndef __SET_H__
#define __SET_H__
#include "bnode.h"
#include "vfunc.h"
typedef int __set_dummy__ ;
//
// DECLARE_SET
// Purpose: Declares a linked list of a specific type on the heap.
//
#define DECLARE_SET( K ) \
\
DECLARE_BNODE(K, __set_dummy__); \
\
struct _SET_##K; \
\
typedef struct _SET_VTABLE_##K \
{ \
BNODE_##K##___set_dummy__ *(*CreateNode)( K key, int unique ); \
void (*Clear) ( struct _SET_##K *self ); \
int (*Remove) ( struct _SET_##K *self, BNODE_##K##___set_dummy__ *node ); \
int (*Move) ( struct _SET_##K *to, struct _SET_##K *from, BNODE_##K##___set_dummy__ *herefrom ); \
BNODE_##K##___set_dummy__ *(*Set) ( struct _SET_##K *self, K key ); \
BNODE_##K##___set_dummy__ *(*End) ( struct _SET_##K *self ); \
} _SET_VTABLE_##K; \
\
typedef struct _SET_##K \
{ \
BNODE_##K##___set_dummy__ *root; \
const _SET_VTABLE_##K *vtable; \
int (*LessThanKey) (K, K); \
int unique; \
int tree_locked; \
} SET_##K; \
\
SET_##K *SET_CREATE_##K( int (*less_than_operator) (K, K), int unique ); \
struct __useless_struct_SET_##K
#define SET_CREATE3( K, less_than_operator, unique ) \
SET_CREATE_##K((less_than_operator), (unique))
#define SET_CREATE2( K, less_than_operator) SET_CREATE3( K, less_than_operator, 1 )
#define SET_CREATE1( K ) SET_CREATE2( K, 0 )
/// Creates and returns a new map of specified type.
/// @param [in] K typename of keys of elements hold in the map.
/// @param [in, optional] less_than_operator Function defining the less than operator int (*less_than_operator) (K, K).
/// @param [in, optional] unique If set to 1 (by default), elements are unique in the map, otherwise they can be duplicated.
#define SET_CREATE(...) VFUNC(SET_CREATE, __VA_ARGS__)
/// Inserts a node of specified type in the map.
/// @param [in] listSelf Pointer to collection.
/// @param [in] key Key of type K to be inserted in the map.
/// @returns 1 in case of success, or 0 in case of failure (errno set to ENOMEM).
#define SET_ADD(listSelf, key) \
((listSelf)->vtable->Set((listSelf), (key)))
/// Removes (deallocates) a node from a map.
/// @param [in] listSelf Pointer to map.
/// @param [in] node Pointer to the node to remove from the map.
#define SET_REMOVE( listSelf, node ) \
((listSelf)->vtable->Remove ((listSelf), (node)))
/// Removes (deallocates) a collection and all its nodes.
/// @param [in] listSelf Pointer to collection.
#define SET_DESTROY( listSelf ) \
do { (listSelf)->vtable->Clear ( (listSelf) ); free ((listSelf)); } while(0)
/// Removes (deallocates) all the nodes from a collection.
/// @param [in] listSelf Pointer to collection.
#define SET_CLEAR( listSelf ) \
do { (listSelf)->vtable->Clear ( (listSelf) ); } while(0)
/// Moves an element from one collection to another.
/// @param [in] to pointer to the destination collection
/// @param [in] from pointer to the source collection
/// @param [in] herefrom Pointer to the node to move into the collection \p to
#define SET_MOVE( to, from, herefrom ) \
((to)->vtable->Move ( (to), (from), (herefrom) ))
/// Gets the first node in a map.
/// @param [in] listSelf pointer to map.
/// @returns the first node in the map.
#define SET_BEGIN( listSelf ) \
((listSelf)->root ? BNODE_FIRST ((listSelf)->root) : SET_END (listSelf))
/// Gets the last node in a map.
/// @param [in] listSelf pointer to map.
/// @returns the last node in the map.
#define SET_LAST( listSelf ) \
((listSelf)->root ? BNODE_LAST ((listSelf)->root) : SET_END (listSelf))
/// Gets the one-past-last node in a map.
/// @param [in] listSelf pointer to map.
/// @returns the one-past-last node in the map.
#define SET_END( listSelf ) \
((listSelf)->vtable->End ((listSelf)))
/// Gets the number of elements in a map.
/// @param [in] listSelf pointer to map.
/// @returns the number of elements in the map.
#define SET_SIZE( listSelf ) \
((listSelf)->root ? BNODE_SIZE ((listSelf)->root) : (size_t)0)
/// Indicates a map is empty.
/// @param [in] listSelf pointer to map.
/// @returns 1 if the map is empty, 0 otherwise.
#define SET_IS_EMPTY( listSelf ) \
(SET_SIZE ((listSelf)) == 0)
/// Typename of the template map.
/// @param [in] K typename of keys of elements hold in the map.
#define SET( K ) \
SET_##K
#define SET_FIND3( set, begin, key ) \
((set)->root ? BNODE_FIND_KEY3((begin), (key), (set)->LessThanKey) : SET_END (set))
#define SET_FIND2( set, key ) \
((set)->root ? BNODE_GET_KEY((set)->root, (key), (set)->LessThanKey) : SET_END (set))
#define SET_KEY( set, key ) SET_FIND2 ( set, key )
#define SET_FIND(...) VFUNC(SET_FIND, __VA_ARGS__)
#define SET_TRAVERSE4( map, callback, param, stop_condition ) \
do { if ((map)->root) { \
(map)->tree_locked = 1 ; \
BNODE_TRAVERSE4((map)->root, (callback), (param), (stop_condition)) ; \
(map)->tree_locked = 0 ; \
} \
} while (0)
#define SET_TRAVERSE3( map, callback, param ) SET_TRAVERSE4( map, callback, param, EXIT_FAILURE )
#define SET_TRAVERSE2( map, callback ) SET_TRAVERSE3( map, callback, map )
#define SET_TRAVERSE(...) VFUNC(SET_TRAVERSE, __VA_ARGS__)
#define SET_FOR_EACH6( map, begin, end, callback, param, stop_condition ) \
((map)->root ? (begin)->vtable->ForEach((begin), (end), (callback), (param), (stop_condition), BNODE_FORWARD) : SET_END (map))
#define SET_FOR_EACH5( map, begin, callback, param, stop_condition ) SET_FOR_EACH6( map, begin, SET_END (map), callback, param, stop_condition )
#define SET_FOR_EACH4( map, callback, param, stop_condition ) SET_FOR_EACH5( map, SET_BEGIN( map ), callback, param, stop_condition )
#define SET_FOR_EACH3( map, callback, param ) SET_FOR_EACH4( map, callback, param, EXIT_FAILURE )
#define SET_FOR_EACH2( map, callback ) SET_FOR_EACH3( map, callback, map )
#define SET_FOR_EACH(...) VFUNC(SET_FOR_EACH, __VA_ARGS__)
#define SET_INDEX( map, index) \
((map)->root ? BNODE_INDEX((map)->root, (index)) : (fprintf (stderr, "ERROR: " "Set is empty.\nABORT\n"), fflush (0), raise (SIGABRT), SET_END(map)))
#define SNODE( K ) \
BNODE_##K##___set_dummy__
#define SNODE_PREVIOUS(n) BNODE_PREVIOUS(n)
#define SNODE_NEXT(n) BNODE_NEXT(n)
#define SNODE_COPY(n) BNODE_COPY(n)
#define SNODE_KEY(n) BNODE_KEY(n)
#endif