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1 office 1 /**
2 * @file CAvl_decl.h
3 * @author Ambroz Bizjak <ambrop7@gmail.com>
4 *
5 * @section LICENSE
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. Neither the name of the author nor the
15 * names of its contributors may be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
25 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29  
30 #include "CAvl_header.h"
31  
32 typedef struct {
33 CAvlLink root;
34 } CAvl;
35  
36 typedef struct {
37 CAvlEntry *ptr;
38 CAvlLink link;
39 } CAvlRef;
40  
41 static int CAvlIsNullRef (CAvlRef node);
42 static int CAvlIsValidRef (CAvlRef node);
43 static CAvlRef CAvlDeref (CAvlArg arg, CAvlLink link);
44  
45 static void CAvl_Init (CAvl *o);
46 #if !CAVL_PARAM_FEATURE_KEYS_ARE_INDICES
47 static int CAvl_Insert (CAvl *o, CAvlArg arg, CAvlRef node, CAvlRef *out_ref);
48 #else
49 static void CAvl_InsertAt (CAvl *o, CAvlArg arg, CAvlRef node, CAvlCount index);
50 #endif
51 static void CAvl_Remove (CAvl *o, CAvlArg arg, CAvlRef node);
52 #if !CAVL_PARAM_FEATURE_KEYS_ARE_INDICES && !CAVL_PARAM_FEATURE_NOKEYS
53 static CAvlRef CAvl_Lookup (const CAvl *o, CAvlArg arg, CAvlKey key);
54 static CAvlRef CAvl_LookupExact (const CAvl *o, CAvlArg arg, CAvlKey key);
55 static CAvlRef CAvl_GetFirstGreater (const CAvl *o, CAvlArg arg, CAvlKey key);
56 static CAvlRef CAvl_GetLastLesser (const CAvl *o, CAvlArg arg, CAvlKey key);
57 static CAvlRef CAvl_GetFirstGreaterEqual (const CAvl *o, CAvlArg arg, CAvlKey key);
58 static CAvlRef CAvl_GetLastLesserEqual (const CAvl *o, CAvlArg arg, CAvlKey key);
59 #endif
60 static CAvlRef CAvl_GetFirst (const CAvl *o, CAvlArg arg);
61 static CAvlRef CAvl_GetLast (const CAvl *o, CAvlArg arg);
62 static CAvlRef CAvl_GetNext (const CAvl *o, CAvlArg arg, CAvlRef node);
63 static CAvlRef CAvl_GetPrev (const CAvl *o, CAvlArg arg, CAvlRef node);
64 static int CAvl_IsEmpty (const CAvl *o);
65 static void CAvl_Verify (const CAvl *o, CAvlArg arg);
66 #if CAVL_PARAM_FEATURE_COUNTS
67 static CAvlCount CAvl_Count (const CAvl *o, CAvlArg arg);
68 static CAvlCount CAvl_IndexOf (const CAvl *o, CAvlArg arg, CAvlRef node);
69 static CAvlRef CAvl_GetAt (const CAvl *o, CAvlArg arg, CAvlCount index);
70 #endif
71 #if CAVL_PARAM_FEATURE_ASSOC
72 static CAvlAssoc CAvl_AssocSum (const CAvl *o, CAvlArg arg);
73 static CAvlAssoc CAvl_ExclusiveAssocPrefixSum (const CAvl *o, CAvlArg arg, CAvlRef node);
74 static CAvlRef CAvl_FindLastExclusiveAssocPrefixSumLesserEqual (const CAvl *o, CAvlArg arg, CAvlAssoc sum, int (*sum_less) (void *, CAvlAssoc, CAvlAssoc), void *user);
75 #endif
76  
77 #include "CAvl_footer.h"