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1 | // File: TDataStd_DeltaOnModificationOfByteArray.cxx |
2 | // Created: Wed Dec 5 16:18:51 2007 |
3 | // Author: Sergey ZARITCHNY |
4 | // <sergey.zaritchny@opencascade.com> |
5 | //Copyright: Open CasCade SA 2007 |
6 | |
7 | #include <TDataStd_DeltaOnModificationOfByteArray.ixx> |
8 | #include <TDataStd_ByteArray.hxx> |
9 | #include <TDF_DeltaOnModification.hxx> |
10 | #include <TDF_Label.hxx> |
11 | #include <TColStd_HArray1OfInteger.hxx> |
12 | #include <TColStd_HArray1OfByte.hxx> |
13 | #include <TColStd_ListOfInteger.hxx> |
14 | #include <TColStd_ListIteratorOfListOfInteger.hxx> |
15 | #include <TDF_AttributeIterator.hxx> |
16 | |
17 | #ifdef DEB |
18 | #define MAXUP 1000 |
19 | #endif |
20 | //======================================================================= |
21 | //function : TDataStd_DeltaOnModificationOfByteArray |
22 | //purpose : |
23 | //======================================================================= |
24 | |
25 | TDataStd_DeltaOnModificationOfByteArray::TDataStd_DeltaOnModificationOfByteArray(const Handle(TDataStd_ByteArray)& OldAtt) |
26 | : TDF_DeltaOnModification(OldAtt) |
27 | { |
28 | Handle(TDataStd_ByteArray) CurrAtt; |
29 | if (Label().FindAttribute(OldAtt->ID(),CurrAtt)) { |
30 | { |
31 | Handle(TColStd_HArray1OfByte) Arr1, Arr2; |
32 | Arr1 = OldAtt->InternalArray(); |
33 | Arr2 = CurrAtt->InternalArray(); |
34 | #ifdef DEB_DELTA |
35 | if(Arr1.IsNull()) |
36 | cout <<"DeltaOnModificationOfByteArray:: Old ByteArray is Null" <<endl; |
37 | if(Arr2.IsNull()) |
38 | cout <<"DeltaOnModificationOfByteArray:: Current ByteArray is Null" <<endl; |
39 | #endif |
40 | |
41 | if(Arr1.IsNull() || Arr2.IsNull()) return; |
42 | if(Arr1 != Arr2) { |
43 | myUp1 = Arr1->Upper(); |
44 | myUp2 = Arr2->Upper(); |
45 | Standard_Integer i, N=0, aCase=0; |
46 | if(myUp1 == myUp2) |
47 | {aCase = 1; N = myUp1;} |
48 | else if(myUp1 < myUp2) |
49 | {aCase = 2; N = myUp1;} |
50 | else |
51 | {aCase = 3; N = myUp2;}//Up1 > Up2 |
52 | |
53 | TColStd_ListOfInteger aList; |
54 | for(i=Arr1->Lower();i<= N; i++) |
55 | if(Arr1->Value(i) != Arr2->Value(i)) |
56 | aList.Append(i); |
57 | if(aCase == 3) { |
58 | for(i = N+1;i <= myUp1; i++) |
59 | aList.Append(i); |
60 | } |
61 | |
62 | if(aList.Extent()) { |
63 | myIndxes = new TColStd_HArray1OfInteger(1,aList.Extent()); |
64 | myValues = new TColStd_HArray1OfByte(1,aList.Extent()); |
65 | TColStd_ListIteratorOfListOfInteger anIt(aList); |
66 | for(i =1;anIt.More();anIt.Next(),i++) { |
67 | myIndxes->SetValue(i, anIt.Value()); |
68 | myValues->SetValue(i, Arr1->Value(anIt.Value())); |
69 | } |
70 | } |
71 | } |
72 | } |
73 | OldAtt->RemoveArray(); |
74 | #ifdef DEB |
75 | if(OldAtt->InternalArray().IsNull()) |
76 | cout << "BackUp Arr is Nullified" << endl; |
77 | #endif |
78 | } |
79 | } |
80 | |
81 | |
82 | //======================================================================= |
83 | //function : Apply |
84 | //purpose : |
85 | //======================================================================= |
86 | |
87 | void TDataStd_DeltaOnModificationOfByteArray::Apply() |
88 | { |
89 | |
90 | Handle(TDF_Attribute) TDFAttribute = Attribute(); |
91 | Handle(TDataStd_ByteArray) BackAtt = (*((Handle(TDataStd_ByteArray)*)&TDFAttribute)); |
92 | if(BackAtt.IsNull()) { |
93 | #ifdef DEB |
94 | cout << "DeltaOnModificationOfByteArray::Apply: OldAtt is Null" <<endl; |
95 | #endif |
96 | return; |
97 | } |
98 | |
99 | Handle(TDataStd_ByteArray) aCurAtt; |
100 | if (!Label().FindAttribute(BackAtt->ID(),aCurAtt)) { |
101 | |
102 | Label().AddAttribute(BackAtt); |
103 | } |
104 | |
105 | if(aCurAtt.IsNull()) { |
106 | #ifdef DEB |
107 | cout << "DeltaOnModificationOfByteArray::Apply: CurAtt is Null" <<endl; |
108 | #endif |
109 | return; |
110 | } |
111 | else |
112 | aCurAtt->Backup(); |
113 | |
114 | Standard_Integer aCase; |
115 | if(myUp1 == myUp2) |
116 | aCase = 1; |
117 | else if(myUp1 < myUp2) |
118 | aCase = 2; |
119 | else |
120 | aCase = 3;//Up1 > Up2 |
121 | |
122 | if (aCase == 1 && (myIndxes.IsNull() || myValues.IsNull())) |
123 | return; |
124 | |
125 | Standard_Integer i; |
126 | Handle(TColStd_HArray1OfByte) BArr = aCurAtt->InternalArray(); |
127 | if(BArr.IsNull()) return; |
128 | if(aCase == 1) |
129 | for(i = 1; i <= myIndxes->Upper();i++) |
130 | BArr->ChangeArray1().SetValue(myIndxes->Value(i), myValues->Value(i)); |
131 | else if(aCase == 2) { |
132 | Handle(TColStd_HArray1OfByte) byteArr = new TColStd_HArray1OfByte(BArr->Lower(), myUp1); |
133 | for(i = BArr->Lower(); i <= myUp1 && i <= BArr->Upper(); i++) |
134 | byteArr->SetValue(i, BArr->Value(i)); |
135 | if(!myIndxes.IsNull() && !myValues.IsNull()) |
136 | for(i = 1; i <= myIndxes->Upper();i++) |
137 | byteArr->ChangeArray1().SetValue(myIndxes->Value(i), myValues->Value(i)); |
138 | aCurAtt->myValue = byteArr; |
139 | } |
140 | else { // aCase == 3 |
141 | Standard_Integer low = BArr->Lower(); |
142 | Handle(TColStd_HArray1OfByte) byteArr = new TColStd_HArray1OfByte(low, myUp1); |
143 | for(i = BArr->Lower(); i <= myUp2 && i <= BArr->Upper(); i++) |
144 | byteArr->SetValue(i, BArr->Value(i)); |
145 | if(!myIndxes.IsNull() && !myValues.IsNull()) |
146 | for(i = 1; i <= myIndxes->Upper();i++) { |
147 | #ifdef DEB |
148 | cout << "i = " << i << " myIndxes->Upper = " << myIndxes->Upper() << endl; |
149 | cout << "myIndxes->Value(i) = " << myIndxes->Value(i) << endl; |
150 | cout << "myValues->Value(i) = " << myValues->Value(i) << endl; |
151 | #endif |
152 | byteArr->ChangeArray1().SetValue(myIndxes->Value(i), myValues->Value(i)); |
153 | } |
154 | aCurAtt->myValue = byteArr; |
155 | } |
156 | |
157 | #ifdef DEB |
158 | cout << " << Array Dump after Delta Apply >>" <<endl; |
159 | Handle(TColStd_HArray1OfByte) BArr2 = aCurAtt->InternalArray(); |
160 | for(i=BArr2->Lower(); i<=BArr2->Upper() && i<= MAXUP;i++) |
161 | cout << BArr2->Value(i) << " "; |
162 | cout <<endl; |
163 | #endif |
164 | } |
165 | |
166 | |