updated copyright message

[modules/shaper.git] / src / Model / Model_AttributeString.cpp

diff --git a/src/Model/Model_AttributeString.cpp b/src/Model/Model_AttributeString.cpp
index 4c812fc26744e03ee87060f3d4ee66b9fa0c3a18..c212511d26a67a5d410718ec1302848d3f7b3960 100644 (file)
--- a/src/Model/Model_AttributeString.cpp
+++ b/src/Model/Model_AttributeString.cpp
@@ -1,4 +1,4 @@
-// Copyright (C) 2014-2019  CEA/DEN, EDF R&D
+// Copyright (C) 2014-2023  CEA, EDF
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
@@ -23,12 +23,16 @@
 #include <ModelAPI_Data.h>
 #include <ModelAPI_Object.h>
 
+#include <TDataStd_UAttribute.hxx>
 #include <Standard_TypeDef.hxx>
 #include <TCollection_AsciiString.hxx>
 #include <TCollection_ExtendedString.hxx>
 
 #include <string>
 
+// on myLabel if the Unicode string was stored
+static const Standard_GUID kUVALUE_IDENTIFIER("04cac509-b2fc-4887-b442-d2a86f2fd7bd");
+
 void Model_AttributeString::setValue(const std::string& theValue)
 {
   TCollection_ExtendedString aValue(theValue.c_str());
@@ -36,6 +40,7 @@ void Model_AttributeString::setValue(const std::string& theValue)
     if (myString.IsNull())
       myString = TDataStd_Name::Set(myLab, TCollection_ExtendedString());
     myString->Set(aValue);
+    myLab.ForgetAttribute(kUVALUE_IDENTIFIER);
     owner()->data()->sendAttributeUpdated(this);
   }
 }
@@ -47,6 +52,7 @@ void Model_AttributeString::setValue(const std::wstring& theValue)
     if (myString.IsNull())
       myString = TDataStd_Name::Set(myLab, TCollection_ExtendedString());
     myString->Set(aValue);
+    TDataStd_UAttribute::Set(myLab, kUVALUE_IDENTIFIER);
     owner()->data()->sendAttributeUpdated(this);
   }
 }
@@ -57,6 +63,7 @@ std::string Model_AttributeString::value()
     return "";  // not initialized
   return TCollection_AsciiString(myString->Get()).ToCString();
 }
+
 char16_t* Model_AttributeString::valueU()
 {
   if (myString.IsNull()) {   // not initialized
@@ -66,6 +73,10 @@ char16_t* Model_AttributeString::valueU()
   return (char16_t*)(myString->Get().ToExtString());
 }
 
+bool Model_AttributeString::isUValue() const {
+  return !myLab.IsNull() && myLab.IsAttribute(kUVALUE_IDENTIFIER);
+}
+
 Model_AttributeString::Model_AttributeString(TDF_Label& theLabel)
 {
   myLab = theLabel;