1 // Copyright (C) 2014-2023 CEA, EDF
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
20 #include <Model_AttributeString.h>
21 #include <ModelAPI_AttributeString.h>
22 #include <ModelAPI_Attribute.h>
23 #include <ModelAPI_Data.h>
24 #include <ModelAPI_Object.h>
26 #include <TDataStd_UAttribute.hxx>
27 #include <Standard_TypeDef.hxx>
28 #include <TCollection_AsciiString.hxx>
29 #include <TCollection_ExtendedString.hxx>
33 // on myLabel if the Unicode string was stored
34 static const Standard_GUID kUVALUE_IDENTIFIER("04cac509-b2fc-4887-b442-d2a86f2fd7bd");
36 void Model_AttributeString::setValue(const std::string& theValue)
38 // Always assume the std::string to be a multi-byte character string
39 // as it can contain accents or other special characters, too!
40 TCollection_ExtendedString aValue(theValue.c_str(), true);
41 if (!myIsInitialized || myString->Get() != aValue) {
42 if (myString.IsNull())
43 myString = TDataStd_Name::Set(myLab, TCollection_ExtendedString());
44 myString->Set(aValue);
45 myLab.ForgetAttribute(kUVALUE_IDENTIFIER);
46 owner()->data()->sendAttributeUpdated(this);
50 void Model_AttributeString::setValue(const std::wstring& theValue)
52 TCollection_ExtendedString aValue(theValue.c_str());
53 if (!myIsInitialized || myString->Get() != aValue) {
54 if (myString.IsNull())
55 myString = TDataStd_Name::Set(myLab, TCollection_ExtendedString());
56 myString->Set(aValue);
57 TDataStd_UAttribute::Set(myLab, kUVALUE_IDENTIFIER);
58 owner()->data()->sendAttributeUpdated(this);
62 std::string Model_AttributeString::value()
64 if (myString.IsNull())
65 return ""; // not initialized
66 return TCollection_AsciiString(myString->Get()).ToCString();
69 char16_t* Model_AttributeString::valueU()
71 if (myString.IsNull()) { // not initialized
72 static TCollection_ExtendedString anEmpty;
73 return (char16_t*)(anEmpty.ToExtString());
75 return (char16_t*)(myString->Get().ToExtString());
78 bool Model_AttributeString::isUValue() const {
79 return !myLab.IsNull() && myLab.IsAttribute(kUVALUE_IDENTIFIER);
82 Model_AttributeString::Model_AttributeString(TDF_Label& theLabel)
88 void Model_AttributeString::reinit()
90 // check the attribute could be already presented in this doc (after load document)
91 myIsInitialized = myLab.FindAttribute(TDataStd_Name::GetID(), myString) == Standard_True;