0029452: Application Framework - Failed to read an Ocaf XML document with 1.#QNAN...
[occt.git] / src / XmlMDataStd / XmlMDataStd_RealDriver.cxx
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b311480e 1// Created on: 2001-08-24
2// Created by: Alexnder GRIGORIEV
973c2be1 3// Copyright (c) 2001-2014 OPEN CASCADE SAS
b311480e 4//
973c2be1 5// This file is part of Open CASCADE Technology software library.
b311480e 6//
d5f74e42 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
973c2be1 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.
b311480e 12//
973c2be1 13// Alternatively, this file may be used under the terms of Open CASCADE
14// commercial license or contractual agreement.
b311480e 15
16//AGV 150202: Changed prototype XmlObjMgt::SetStringValue()
7fd59977 17
83ae3591 18#include <Message_Messenger.hxx>
42cf5bc1 19#include <Standard_Type.hxx>
7fd59977 20#include <TDataStd_Real.hxx>
42cf5bc1 21#include <TDF_Attribute.hxx>
22#include <XmlMDataStd_RealDriver.hxx>
7fd59977 23#include <XmlObjMgt.hxx>
42cf5bc1 24#include <XmlObjMgt_Persistent.hxx>
7fd59977 25
42cf5bc1 26#include <stdio.h>
92efcf78 27IMPLEMENT_STANDARD_RTTIEXT(XmlMDataStd_RealDriver,XmlMDF_ADriver)
fa53efef 28IMPLEMENT_DOMSTRING (AttributeIDString, "realattguid")
7fd59977 29//=======================================================================
30//function : XmlMDataStd_RealDriver
31//purpose : Constructor
32//=======================================================================
7fd59977 33XmlMDataStd_RealDriver::XmlMDataStd_RealDriver
83ae3591 34 (const Handle(Message_Messenger)& theMsgDriver)
7fd59977 35 : XmlMDF_ADriver (theMsgDriver, NULL)
36{}
37
38//=======================================================================
39//function : NewEmpty
40//purpose :
41//=======================================================================
42Handle(TDF_Attribute) XmlMDataStd_RealDriver::NewEmpty() const
43{
44 return (new TDataStd_Real());
45}
46
47//=======================================================================
48//function : Paste
49//purpose : persistent -> transient (retrieve)
50//=======================================================================
51Standard_Boolean XmlMDataStd_RealDriver::Paste
52 (const XmlObjMgt_Persistent& theSource,
53 const Handle(TDF_Attribute)& theTarget,
54 XmlObjMgt_RRelocationTable& ) const
55{
fa53efef 56 // attribute id
57 Standard_GUID aGUID;
58 const XmlObjMgt_Element& anElement = theSource;
59 XmlObjMgt_DOMString aGUIDStr = anElement.getAttribute(::AttributeIDString());
60 if (aGUIDStr.Type() == XmlObjMgt_DOMString::LDOM_NULL)
61 aGUID = TDataStd_Real::GetID(); //default case
62 else
63 aGUID = Standard_GUID(Standard_CString(aGUIDStr.GetString())); // user defined case
64
65 Handle(TDataStd_Real)::DownCast(theTarget)->SetID(aGUID);
7fd59977 66
e13b9464 67 Standard_Real aValue(0.);
68 const XmlObjMgt_DOMString& aRealStr= XmlObjMgt::GetStringValue (theSource);
69 Standard_CString aValueStr = Standard_CString (aRealStr.GetString());
70 if(XmlObjMgt::GetReal(aRealStr, aValue) == Standard_False) {
71 TCollection_ExtendedString aMessageString =
72 TCollection_ExtendedString("Cannot retrieve Real attribute from \"")
73 + aValueStr + "\"";
74 myMessageDriver->Send (aMessageString, Message_Warning);
75 }
76 Handle(TDataStd_Real) anAtt = Handle(TDataStd_Real)::DownCast(theTarget);
77 anAtt->Set(aValue);
78
7fd59977 79 return Standard_True;
80}
81
82//=======================================================================
83//function : Paste
84//purpose : transient -> persistent (store)
85//=======================================================================
86void XmlMDataStd_RealDriver::Paste (const Handle(TDF_Attribute)& theSource,
87 XmlObjMgt_Persistent& theTarget,
88 XmlObjMgt_SRelocationTable& ) const
89{
fa53efef 90 Handle(TDataStd_Real) anAtt = Handle(TDataStd_Real)::DownCast(theSource);
7fd59977 91 char aValueChar[32];
fa53efef 92 Sprintf(aValueChar, "%.17g", anAtt->Get());
7fd59977 93 TCollection_AsciiString aValueStr(aValueChar);
7fd59977 94 // No occurrence of '&', '<' and other irregular XML characters
95 XmlObjMgt::SetStringValue (theTarget, aValueStr.ToCString(), Standard_True);
fa53efef 96 if(anAtt->ID() != TDataStd_Real::GetID()) {
97 //convert GUID
98 Standard_Character aGuidStr [Standard_GUID_SIZE_ALLOC];
99 Standard_PCharacter pGuidStr = aGuidStr;
100 anAtt->ID().ToCString (pGuidStr);
101 theTarget.Element().setAttribute (::AttributeIDString(), aGuidStr);
102 }
7fd59977 103}