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1 | // Created on: 2007-12-08 |
2 | // Created by: Alexander GRIGORIEV |
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3 | // Copyright (c) 2007-2014 OPEN CASCADE SAS |
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4 | // |
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5 | // This file is part of Open CASCADE Technology software library. |
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6 | // |
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7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
11 | // distribution for complete text of the license and disclaimer of any warranty. |
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12 | // |
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13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
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15 | |
16 | #include <Poly_CoherentTriPtr.hxx> |
17 | |
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18 | //======================================================================= |
19 | //function : Iterator::Next |
20 | //purpose : |
21 | //======================================================================= |
22 | |
23 | void Poly_CoherentTriPtr::Iterator::Next () |
24 | { |
25 | if (myCurrent) |
26 | { |
27 | myCurrent = myCurrent->myNext; |
28 | if (myCurrent == myFirst) |
29 | myCurrent = 0L; |
30 | } |
31 | } |
32 | |
33 | //======================================================================= |
34 | //function : Append |
35 | //purpose : |
36 | //======================================================================= |
37 | |
38 | void Poly_CoherentTriPtr::Append |
39 | (const Poly_CoherentTriangle * pTri, |
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40 | const Handle(NCollection_BaseAllocator)& theAlloc) |
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41 | { |
42 | Handle(NCollection_BaseAllocator) anAlloc = theAlloc; |
43 | if (theAlloc.IsNull()) |
44 | anAlloc = NCollection_BaseAllocator::CommonBaseAllocator(); |
45 | Poly_CoherentTriPtr * aNewPtr = new (anAlloc) Poly_CoherentTriPtr(* pTri); |
46 | aNewPtr->myNext = myNext; |
47 | myNext->myPrevious = aNewPtr; |
48 | aNewPtr->myPrevious = this; |
49 | myNext = aNewPtr; |
50 | } |
51 | |
52 | //======================================================================= |
53 | //function : Prepend |
54 | //purpose : |
55 | //======================================================================= |
56 | |
57 | void Poly_CoherentTriPtr::Prepend |
58 | (const Poly_CoherentTriangle * pTri, |
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59 | const Handle(NCollection_BaseAllocator)& theAlloc) |
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60 | { |
61 | Handle(NCollection_BaseAllocator) anAlloc = theAlloc; |
62 | if (theAlloc.IsNull()) |
63 | anAlloc = NCollection_BaseAllocator::CommonBaseAllocator(); |
64 | Poly_CoherentTriPtr * aNewPtr = new (anAlloc) Poly_CoherentTriPtr(* pTri); |
65 | aNewPtr->myPrevious = myPrevious; |
66 | myPrevious->myNext = aNewPtr; |
67 | aNewPtr->myNext = this; |
68 | myPrevious = aNewPtr; |
69 | } |
70 | |
71 | //======================================================================= |
72 | //function : Remove |
73 | //purpose : |
74 | //======================================================================= |
75 | |
76 | void Poly_CoherentTriPtr::Remove |
77 | (Poly_CoherentTriPtr * thePtr, |
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78 | const Handle(NCollection_BaseAllocator)& theAlloc) |
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79 | { |
80 | Handle(NCollection_BaseAllocator) anAlloc = theAlloc; |
81 | if (theAlloc.IsNull()) |
82 | anAlloc = NCollection_BaseAllocator::CommonBaseAllocator(); |
83 | if (thePtr->myNext && thePtr->myPrevious) { |
84 | thePtr->myPrevious->myNext = thePtr->myNext; |
85 | thePtr->myNext->myPrevious = thePtr->myPrevious; |
86 | thePtr->myNext = thePtr; |
87 | thePtr->myPrevious = thePtr; |
88 | } |
89 | anAlloc->Free(thePtr); |
90 | } |
91 | |
92 | //======================================================================= |
93 | //function : RemoveList |
94 | //purpose : |
95 | //======================================================================= |
96 | |
97 | void Poly_CoherentTriPtr::RemoveList |
98 | (Poly_CoherentTriPtr * thePtr, |
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99 | const Handle(NCollection_BaseAllocator)& theAlloc) |
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100 | { |
101 | Handle(NCollection_BaseAllocator) anAlloc = theAlloc; |
102 | if (theAlloc.IsNull()) |
103 | anAlloc = NCollection_BaseAllocator::CommonBaseAllocator(); |
104 | Poly_CoherentTriPtr * aPtr = thePtr; |
105 | do { |
106 | if (aPtr == 0L) |
107 | break; |
108 | Poly_CoherentTriPtr * aLostPtr = aPtr; |
109 | aPtr = aPtr->myNext; |
110 | anAlloc->Free(aLostPtr); |
111 | } while (aPtr != thePtr); |
112 | } |