1 // Created on: 2007-12-05
2 // Created by: Sergey ZARITCHNY
3 // Copyright (c) 2007-2014 OPEN CASCADE SAS
5 // This file is part of Open CASCADE Technology software library.
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
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.
13 // Alternatively, this file may be used under the terms of Open CASCADE
14 // commercial license or contractual agreement.
16 #include <TDataStd_DeltaOnModificationOfByteArray.ixx>
17 #include <TDataStd_ByteArray.hxx>
18 #include <TDF_DeltaOnModification.hxx>
19 #include <TDF_Label.hxx>
20 #include <TColStd_HArray1OfInteger.hxx>
21 #include <TColStd_HArray1OfByte.hxx>
22 #include <TColStd_ListOfInteger.hxx>
23 #include <TColStd_ListIteratorOfListOfInteger.hxx>
24 #include <TDF_AttributeIterator.hxx>
29 //=======================================================================
30 //function : TDataStd_DeltaOnModificationOfByteArray
32 //=======================================================================
34 TDataStd_DeltaOnModificationOfByteArray::TDataStd_DeltaOnModificationOfByteArray(const Handle(TDataStd_ByteArray)& OldAtt)
35 : TDF_DeltaOnModification(OldAtt)
37 Handle(TDataStd_ByteArray) CurrAtt;
38 if (Label().FindAttribute(OldAtt->ID(),CurrAtt)) {
40 Handle(TColStd_HArray1OfByte) Arr1, Arr2;
41 Arr1 = OldAtt->InternalArray();
42 Arr2 = CurrAtt->InternalArray();
43 #ifdef OCCT_DEBUG_DELTA
45 cout <<"DeltaOnModificationOfByteArray:: Old ByteArray is Null" <<endl;
47 cout <<"DeltaOnModificationOfByteArray:: Current ByteArray is Null" <<endl;
50 if(Arr1.IsNull() || Arr2.IsNull()) return;
52 myUp1 = Arr1->Upper();
53 myUp2 = Arr2->Upper();
54 Standard_Integer i, N=0, aCase=0;
56 {aCase = 1; N = myUp1;}
57 else if(myUp1 < myUp2)
58 {aCase = 2; N = myUp1;}
60 {aCase = 3; N = myUp2;}//Up1 > Up2
62 TColStd_ListOfInteger aList;
63 for(i=Arr1->Lower();i<= N; i++)
64 if(Arr1->Value(i) != Arr2->Value(i))
67 for(i = N+1;i <= myUp1; i++)
72 myIndxes = new TColStd_HArray1OfInteger(1,aList.Extent());
73 myValues = new TColStd_HArray1OfByte(1,aList.Extent());
74 TColStd_ListIteratorOfListOfInteger anIt(aList);
75 for(i =1;anIt.More();anIt.Next(),i++) {
76 myIndxes->SetValue(i, anIt.Value());
77 myValues->SetValue(i, Arr1->Value(anIt.Value()));
82 OldAtt->RemoveArray();
84 if(OldAtt->InternalArray().IsNull())
85 cout << "BackUp Arr is Nullified" << endl;
91 //=======================================================================
94 //=======================================================================
96 void TDataStd_DeltaOnModificationOfByteArray::Apply()
99 Handle(TDF_Attribute) TDFAttribute = Attribute();
100 Handle(TDataStd_ByteArray) BackAtt = (*((Handle(TDataStd_ByteArray)*)&TDFAttribute));
101 if(BackAtt.IsNull()) {
103 cout << "DeltaOnModificationOfByteArray::Apply: OldAtt is Null" <<endl;
108 Handle(TDataStd_ByteArray) aCurAtt;
109 if (!Label().FindAttribute(BackAtt->ID(),aCurAtt)) {
111 Label().AddAttribute(BackAtt);
114 if(aCurAtt.IsNull()) {
116 cout << "DeltaOnModificationOfByteArray::Apply: CurAtt is Null" <<endl;
123 Standard_Integer aCase;
126 else if(myUp1 < myUp2)
129 aCase = 3;//Up1 > Up2
131 if (aCase == 1 && (myIndxes.IsNull() || myValues.IsNull()))
135 Handle(TColStd_HArray1OfByte) BArr = aCurAtt->InternalArray();
136 if(BArr.IsNull()) return;
138 for(i = 1; i <= myIndxes->Upper();i++)
139 BArr->ChangeArray1().SetValue(myIndxes->Value(i), myValues->Value(i));
140 else if(aCase == 2) {
141 Handle(TColStd_HArray1OfByte) byteArr = new TColStd_HArray1OfByte(BArr->Lower(), myUp1);
142 for(i = BArr->Lower(); i <= myUp1 && i <= BArr->Upper(); i++)
143 byteArr->SetValue(i, BArr->Value(i));
144 if(!myIndxes.IsNull() && !myValues.IsNull())
145 for(i = 1; i <= myIndxes->Upper();i++)
146 byteArr->ChangeArray1().SetValue(myIndxes->Value(i), myValues->Value(i));
147 aCurAtt->myValue = byteArr;
150 Standard_Integer low = BArr->Lower();
151 Handle(TColStd_HArray1OfByte) byteArr = new TColStd_HArray1OfByte(low, myUp1);
152 for(i = BArr->Lower(); i <= myUp2 && i <= BArr->Upper(); i++)
153 byteArr->SetValue(i, BArr->Value(i));
154 if(!myIndxes.IsNull() && !myValues.IsNull())
155 for(i = 1; i <= myIndxes->Upper();i++) {
157 cout << "i = " << i << " myIndxes->Upper = " << myIndxes->Upper() << endl;
158 cout << "myIndxes->Value(i) = " << myIndxes->Value(i) << endl;
159 cout << "myValues->Value(i) = " << myValues->Value(i) << endl;
161 byteArr->ChangeArray1().SetValue(myIndxes->Value(i), myValues->Value(i));
163 aCurAtt->myValue = byteArr;
167 cout << " << Array Dump after Delta Apply >>" <<endl;
168 Handle(TColStd_HArray1OfByte) BArr2 = aCurAtt->InternalArray();
169 for(i=BArr2->Lower(); i<=BArr2->Upper() && i<= MAXUP;i++)
170 cout << BArr2->Value(i) << " ";