1 // Created on: 2001-09-04
2 // Created by: Julia DOROVSKIKH
3 // Copyright (c) 2001-2014 OPEN CASCADE SAS
4 //
5 // This file is part of Open CASCADE Technology software library.
6 //
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.
12 //
13 // Alternatively, this file may be used under the terms of Open CASCADE
14 // commercial license or contractual agreement.
15 
16 
17 #include <Message_Messenger.hxx>
18 #include <Standard_Type.hxx>
19 #include <TDF_Attribute.hxx>
20 #include <TDF_Label.hxx>
21 #include <TDF_Tool.hxx>
22 #include <TDocStd_XLink.hxx>
23 #include <XmlMDocStd_XLinkDriver.hxx>
24 #include <XmlObjMgt.hxx>
25 #include <XmlObjMgt_Persistent.hxx>
26 
IMPLEMENT_STANDARD_RTTIEXT(XmlMDocStd_XLinkDriver,XmlMDF_ADriver)27 IMPLEMENT_STANDARD_RTTIEXT(XmlMDocStd_XLinkDriver,XmlMDF_ADriver)
28 IMPLEMENT_DOMSTRING (DocEntryString, "documentEntry")
29 
30 //=======================================================================
31 //function : XmlMDocStd_XLinkDriver
32 //purpose  : Constructor
33 //=======================================================================
34 XmlMDocStd_XLinkDriver::XmlMDocStd_XLinkDriver
35                         (const Handle(Message_Messenger)& theMsgDriver)
36       : XmlMDF_ADriver (theMsgDriver, NULL)
37 {}
38 
39 //=======================================================================
40 //function : NewEmpty
41 //purpose  :
42 //=======================================================================
Handle(TDF_Attribute)43 Handle(TDF_Attribute) XmlMDocStd_XLinkDriver::NewEmpty() const
44 {
45   return (new TDocStd_XLink());
46 }
47 
48 //=======================================================================
49 //function : Paste
50 //purpose  : persistent -> transient (retrieve)
51 //=======================================================================
Paste(const XmlObjMgt_Persistent & theSource,const Handle (TDF_Attribute)& theTarget,XmlObjMgt_RRelocationTable &) const52 Standard_Boolean XmlMDocStd_XLinkDriver::Paste
53                 (const XmlObjMgt_Persistent&  theSource,
54                  const Handle(TDF_Attribute)& theTarget,
55                  XmlObjMgt_RRelocationTable&  ) const
56 {
57   XmlObjMgt_DOMString anXPath = XmlObjMgt::GetStringValue (theSource);
58 
59   if (anXPath == NULL)
60   {
61     myMessageDriver->Send ("XLink: Cannot retrieve reference string from element", Message_Fail);
62     return Standard_False;
63   }
64 
65   TCollection_AsciiString anEntry;
66   if (XmlObjMgt::GetTagEntryString (anXPath, anEntry) == Standard_False)
67   {
68     TCollection_ExtendedString aMessage =
69       TCollection_ExtendedString ("Cannot retrieve XLink reference from \"")
70         + anXPath + '\"';
71     myMessageDriver->Send (aMessage, Message_Fail);
72     return Standard_False;
73   }
74 
75   Handle(TDocStd_XLink) aRef = Handle(TDocStd_XLink)::DownCast(theTarget);
76 
77   // set referenced label
78   aRef->LabelEntry(anEntry);
79 
80   // document entry
81   aRef->DocumentEntry(theSource.Element().getAttribute(::DocEntryString()));
82 
83   return Standard_True;
84 }
85 
86 //=======================================================================
87 //function : Paste
88 //purpose  : transient -> persistent (store)
89 //           <label tag='1'>     <This is label entry 0:4:1>
90 //           ...
91 //           <label tag='8'>     <This is label entry 0:4:1:8>
92 //
93 //           <TDocStd_XLink id="621"> /document/label/label[@tag="4"]/label[@tag="1"]
94 //           </TDocStd_XLink>    <This is reference to label 0:4:1>
95 //=======================================================================
Paste(const Handle (TDF_Attribute)& theSource,XmlObjMgt_Persistent & theTarget,XmlObjMgt_SRelocationTable &) const96 void XmlMDocStd_XLinkDriver::Paste (const Handle(TDF_Attribute)& theSource,
97                                     XmlObjMgt_Persistent&        theTarget,
98                                     XmlObjMgt_SRelocationTable&  ) const
99 {
100   Handle(TDocStd_XLink) aRef = Handle(TDocStd_XLink)::DownCast(theSource);
101   if (!aRef.IsNull())
102   {
103     // reference
104     TCollection_AsciiString anEntry = aRef->LabelEntry();
105     XmlObjMgt_DOMString aDOMString;
106     XmlObjMgt::SetTagEntryString (aDOMString, anEntry);
107     XmlObjMgt::SetStringValue (theTarget, aDOMString);
108 
109     // document entry
110     theTarget.Element().setAttribute(::DocEntryString(),
111                                       aRef->DocumentEntry().ToCString());
112   }
113 }
114