1 // Created on: 2002-01-16
2 // Created by: Michael PONIKAROV
3 // Copyright (c) 2002-2014 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 #ifndef _TDataStd_ExtStringArray_HeaderFile
17 #define _TDataStd_ExtStringArray_HeaderFile
18 
19 #include <Standard.hxx>
20 #include <Standard_Type.hxx>
21 
22 #include <TColStd_HArray1OfExtendedString.hxx>
23 #include <Standard_Boolean.hxx>
24 #include <TDF_Attribute.hxx>
25 #include <Standard_Integer.hxx>
26 #include <Standard_OStream.hxx>
27 #include <Standard_GUID.hxx>
28 
29 class TDataStd_DeltaOnModificationOfExtStringArray;
30 class Standard_GUID;
31 class TDF_Label;
32 class TCollection_ExtendedString;
33 class TDF_Attribute;
34 class TDF_RelocationTable;
35 class TDF_DeltaOnModification;
36 
37 
38 class TDataStd_ExtStringArray;
39 DEFINE_STANDARD_HANDLE(TDataStd_ExtStringArray, TDF_Attribute)
40 
41 //! ExtStringArray Attribute. Handles an array of UNICODE strings (represented by the TCollection_ExtendedString class).
42 class TDataStd_ExtStringArray : public TDF_Attribute
43 {
44   friend class TDataStd_DeltaOnModificationOfExtStringArray;
45   DEFINE_STANDARD_RTTIEXT(TDataStd_ExtStringArray, TDF_Attribute)
46 public:
47 
48   //! class methods
49   //! =============
50   //! Returns the GUID for the attribute.
51   Standard_EXPORT static const Standard_GUID& GetID();
52 
53   //! Finds, or creates, an ExtStringArray attribute with <lower>
54   //! and <upper> bounds on the specified label.
55   //! If <isDelta> == False, DefaultDeltaOnModification is used.
56   //! If <isDelta> == True, DeltaOnModification of the current attribute is used.
57   //! If attribute is already set, all input parameters are refused and the found
58   //! attribute is returned.
59   Standard_EXPORT static Handle(TDataStd_ExtStringArray) Set (const TDF_Label& label, const Standard_Integer lower, const Standard_Integer upper, const Standard_Boolean isDelta = Standard_False);
60 
61   //! Finds, or creates, an ExtStringArray attribute with explicit user defined <guid>.
62   //! The ExtStringArray attribute  is  returned.
63   Standard_EXPORT static Handle(TDataStd_ExtStringArray) Set (const TDF_Label& label,  const Standard_GUID&   theGuid,
64                                                               const Standard_Integer lower, const Standard_Integer upper,
65                                                               const Standard_Boolean isDelta = Standard_False);
66 
67 
68   //! Initializes the inner array with bounds from <lower> to <upper>
69   Standard_EXPORT void Init (const Standard_Integer lower, const Standard_Integer upper);
70 
71   //! Sets  the   <Index>th  element  of   the  array to <Value>
72   //! OutOfRange exception is raised if <Index> doesn't respect Lower and Upper bounds of the internal  array.
73   Standard_EXPORT void SetValue (const Standard_Integer Index, const TCollection_ExtendedString& Value);
74 
75   //! Sets the explicit GUID (user defined) for the attribute.
76   Standard_EXPORT void SetID( const Standard_GUID&  theGuid) Standard_OVERRIDE;
77 
78   //! Sets default GUID for the attribute.
79   Standard_EXPORT void SetID() Standard_OVERRIDE;
80 
81   //! Returns the value of  the  <Index>th element of the array
82   Standard_EXPORT const TCollection_ExtendedString& Value (const Standard_Integer Index) const;
83 
operator ()(const Standard_Integer Index) const84   const TCollection_ExtendedString& operator () (const Standard_Integer Index) const
85   {
86     return Value(Index);
87   }
88 
89   //! Return the lower bound.
90   Standard_EXPORT Standard_Integer Lower() const;
91 
92   //! Return the upper bound
93   Standard_EXPORT Standard_Integer Upper() const;
94 
95   //! Return the number of elements of <me>.
96   Standard_EXPORT Standard_Integer Length() const;
97 
98   //! Sets the inner array <myValue> of the ExtStringArray attribute to <newArray>.
99   //! If value of <newArray> differs from <myValue>, Backup performed and myValue
100   //! refers to new instance of HArray1OfExtendedString that holds <newArray> values
101   //! If <isCheckItems> equal True each item of <newArray> will be checked with each
102   //! item of <myValue> for coincidence (to avoid backup).
103   Standard_EXPORT void ChangeArray (const Handle(TColStd_HArray1OfExtendedString)& newArray, const Standard_Boolean isCheckItems = Standard_True);
104 
105   //! Return the inner array of the ExtStringArray attribute
Handle(TColStd_HArray1OfExtendedString)106   const Handle(TColStd_HArray1OfExtendedString)& Array() const { return myValue; }
107 
GetDelta() const108   Standard_Boolean GetDelta() const { return myIsDelta; }
109 
110   //! for  internal  use  only!
SetDelta(const Standard_Boolean isDelta)111   void SetDelta (const Standard_Boolean isDelta) { myIsDelta = isDelta; }
112 
113   Standard_EXPORT TDataStd_ExtStringArray();
114 
115   Standard_EXPORT const Standard_GUID& ID() const Standard_OVERRIDE;
116 
117   Standard_EXPORT void Restore (const Handle(TDF_Attribute)& With) Standard_OVERRIDE;
118 
119   Standard_EXPORT Handle(TDF_Attribute) NewEmpty() const Standard_OVERRIDE;
120 
121   Standard_EXPORT void Paste (const Handle(TDF_Attribute)& Into, const Handle(TDF_RelocationTable)& RT) const Standard_OVERRIDE;
122 
123   Standard_EXPORT virtual Standard_OStream& Dump (Standard_OStream& anOS) const Standard_OVERRIDE;
124 
125   //! Makes a DeltaOnModification between <me> and
126   //! <anOldAttribute>.
127   Standard_EXPORT virtual Handle(TDF_DeltaOnModification) DeltaOnModification (const Handle(TDF_Attribute)& anOldAttribute) const Standard_OVERRIDE;
128 
129   //! Dumps the content of me into the stream
130   Standard_EXPORT virtual void DumpJson (Standard_OStream& theOStream, Standard_Integer theDepth = -1) const Standard_OVERRIDE;
131 
132 private:
133 
RemoveArray()134   void RemoveArray() { myValue.Nullify(); }
135 
136 private:
137 
138   Handle(TColStd_HArray1OfExtendedString) myValue;
139   Standard_Boolean myIsDelta;
140   Standard_GUID myID;
141 
142 };
143 
144 #endif // _TDataStd_ExtStringArray_HeaderFile
145