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1 | // Created on: 2001-06-26 |
2 | // Created by: Alexander GRIGORIEV |
3 | // Copyright (c) 2001-2012 OPEN CASCADE SAS |
4 | // |
5 | // The content of this file is subject to the Open CASCADE Technology Public |
6 | // License Version 6.5 (the "License"). You may not use the content of this file |
7 | // except in compliance with the License. Please obtain a copy of the License |
8 | // at http://www.opencascade.org and read it completely before using this file. |
9 | // |
10 | // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its |
11 | // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. |
12 | // |
13 | // The Original Code and all software distributed under the License is |
14 | // distributed on an "AS IS" basis, without warranty of any kind, and the |
15 | // Initial Developer hereby disclaims all such warranties, including without |
16 | // limitation, any warranties of merchantability, fitness for a particular |
17 | // purpose or non-infringement. Please see the License for the specific terms |
18 | // and conditions governing the rights and limitations under the License. |
19 | |
20 | //AGV 120202: Replace myDocument for myPtrDocument for better |
7fd59977 |
21 | // consistency of data |
22 | |
23 | #ifndef LDOM_Node_HeaderFile |
24 | #define LDOM_Node_HeaderFile |
25 | |
26 | #include <Standard_Macro.hxx> |
27 | #include <Standard_TypeDef.hxx> |
28 | #include <Handle_LDOM_MemManager.hxx> |
29 | #include <LDOMString.hxx> |
30 | |
31 | class LDOM_BasicNode; |
32 | |
33 | // LDOM_Node : base class for LDOM interface objects |
34 | // references LDOM_BasicNode - the real data stored in Document |
35 | // This type can be safely cast to any derived type, e.g. : |
36 | // LDOM_Node aNode = MyGetElementNode(); |
37 | // LDOM_Element& anElemNode = (LDOM_Element&) aNode; |
38 | // LDOMString anXcoord = anElemNode.getAtttribute("x"); |
39 | |
40 | class LDOM_Node |
41 | { |
42 | public: |
43 | enum NodeType { |
44 | UNKNOWN = 0, |
45 | ELEMENT_NODE = 1, |
46 | ATTRIBUTE_NODE = 2, |
47 | TEXT_NODE = 3, |
48 | CDATA_SECTION_NODE = 4, |
49 | COMMENT_NODE = 8 |
50 | }; |
51 | |
52 | // ---------- PUBLIC METHODS ---------- |
53 | |
54 | LDOM_Node () : myOrigin (NULL), |
55 | myLastChild (NULL) {} |
56 | // Empty constructor |
57 | |
58 | LDOM_Node (const LDOM_Node& anOther) |
59 | : myDocument (anOther.myDocument), |
60 | myOrigin (anOther.myOrigin), |
61 | myLastChild (anOther.myLastChild) {} |
62 | // Copy constructor |
63 | |
64 | Standard_EXPORT const LDOM_MemManager& getOwnerDocument () const; |
65 | |
66 | Standard_EXPORT LDOM_Node& |
67 | operator = (const LDOM_Node& anOther); |
68 | |
69 | Standard_EXPORT LDOM_Node& |
70 | operator = (const LDOM_NullPtr * aNull); |
71 | |
72 | Standard_Boolean operator == (const LDOM_NullPtr *) const |
73 | { return isNull(); } |
74 | |
75 | Standard_Boolean operator != (const LDOM_NullPtr *) const |
76 | { return ! isNull(); } |
77 | |
78 | Standard_EXPORT Standard_Boolean |
79 | operator == (const LDOM_Node& anOther) const; |
80 | |
81 | Standard_EXPORT Standard_Boolean |
82 | operator != (const LDOM_Node& anOther) const; |
83 | |
84 | Standard_EXPORT Standard_Boolean |
85 | isNull () const; |
86 | |
87 | Standard_EXPORT NodeType |
88 | getNodeType () const; |
89 | |
90 | Standard_EXPORT LDOMString |
91 | getNodeName () const; |
92 | |
93 | Standard_EXPORT LDOMString |
94 | getNodeValue () const; |
95 | |
96 | Standard_EXPORT LDOM_Node |
97 | getFirstChild () const; |
98 | |
99 | Standard_EXPORT LDOM_Node |
100 | getLastChild () const; |
101 | |
102 | Standard_EXPORT LDOM_Node |
103 | getNextSibling () const; |
104 | |
105 | Standard_EXPORT void removeChild (const LDOM_Node& aChild); |
106 | |
107 | Standard_EXPORT void appendChild (const LDOM_Node& aChild); |
108 | |
109 | Standard_EXPORT Standard_Boolean |
110 | hasChildNodes () const; |
111 | |
112 | Standard_EXPORT void SetValueClear () const; |
113 | // Avoids checking for '<', '&', '\'', '\"', etc. on storage (saves time) |
114 | // You MUST be pretty sure that the node value string is OK in this sense |
115 | // NEVER call this method if you are not stuck on the performance |
116 | |
117 | protected: |
118 | friend class LDOM_BasicAttribute; |
119 | friend class LDOM_BasicElement; |
120 | friend class LDOM_BasicText; |
121 | friend class LDOM_NodeList; |
122 | // ---------- PROTECTED METHODS ---------- |
123 | |
124 | const LDOM_BasicNode& Origin () const; |
125 | |
126 | LDOM_Node (const LDOM_BasicNode& anOrig, const Handle(LDOM_MemManager)& aDoc) |
127 | : myDocument (aDoc), |
128 | myOrigin ((LDOM_BasicNode *) &anOrig), |
129 | myLastChild (NULL) {} |
130 | // Copy constructor with assignment to Document |
131 | |
132 | protected: |
133 | // ---------- PROTECTED FIELDS ---------- |
134 | |
135 | // smart pointer to document owner of the node |
136 | Handle(LDOM_MemManager) myDocument; |
137 | |
138 | // pointer to (non-transient) node data in the document-managed memory |
139 | LDOM_BasicNode * myOrigin; |
140 | |
141 | // Transient data (only applicable to LDOM_Element type): |
142 | // the last child; myLastChild->mySibling points to the first attribute |
143 | const LDOM_BasicNode * myLastChild; |
144 | |
145 | friend char * db_pretty_print (const LDOM_Node *, int, char *); |
146 | }; |
147 | |
148 | #endif |