1 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 : /* ***** BEGIN LICENSE BLOCK *****
3 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License. You may obtain a copy of the License at
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10 : * Software distributed under the License is distributed on an "AS IS" basis,
11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Original Code is Mozilla Communicator client code.
16 : *
17 : * The Initial Developer of the Original Code is
18 : * Netscape Communications Corporation.
19 : * Portions created by the Initial Developer are Copyright (C) 1998
20 : * the Initial Developer. All Rights Reserved.
21 : *
22 : * Contributor(s):
23 : *
24 : * Alternatively, the contents of this file may be used under the terms of
25 : * either of the GNU General Public License Version 2 or later (the "GPL"),
26 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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35 : *
36 : * ***** END LICENSE BLOCK ***** */
37 :
38 : /*
39 : * Implementations of DOM Core's nsIDOMComment node.
40 : */
41 :
42 : #include "nsIDOMComment.h"
43 : #include "nsGenericDOMDataNode.h"
44 :
45 : #include "nsCOMPtr.h"
46 : #include "nsIDocument.h"
47 : #include "nsGenericElement.h" // DOMCI_NODE_DATA
48 :
49 : class nsCommentNode : public nsGenericDOMDataNode,
50 : public nsIDOMComment
51 : {
52 : public:
53 : nsCommentNode(already_AddRefed<nsINodeInfo> aNodeInfo);
54 : virtual ~nsCommentNode();
55 :
56 : // nsISupports
57 : NS_DECL_ISUPPORTS_INHERITED
58 :
59 : // nsIDOMNode
60 120 : NS_FORWARD_NSIDOMNODE(nsGenericDOMDataNode::)
61 :
62 : // nsIDOMCharacterData
63 29 : NS_FORWARD_NSIDOMCHARACTERDATA(nsGenericDOMDataNode::)
64 :
65 : // nsIDOMComment
66 : // Empty interface
67 :
68 : // nsINode
69 : virtual bool IsNodeOfType(PRUint32 aFlags) const;
70 :
71 : virtual nsGenericDOMDataNode* CloneDataNode(nsINodeInfo *aNodeInfo,
72 : bool aCloneText) const;
73 :
74 : virtual nsXPCClassInfo* GetClassInfo();
75 : #ifdef DEBUG
76 : virtual void List(FILE* out, PRInt32 aIndent) const;
77 0 : virtual void DumpContent(FILE* out = stdout, PRInt32 aIndent = 0,
78 : bool aDumpAll = true) const
79 : {
80 : return;
81 : }
82 : #endif
83 : };
84 :
85 : nsresult
86 1638 : NS_NewCommentNode(nsIContent** aInstancePtrResult,
87 : nsNodeInfoManager *aNodeInfoManager)
88 : {
89 1638 : NS_PRECONDITION(aNodeInfoManager, "Missing nodeinfo manager");
90 :
91 1638 : *aInstancePtrResult = nsnull;
92 :
93 3276 : nsCOMPtr<nsINodeInfo> ni = aNodeInfoManager->GetCommentNodeInfo();
94 1638 : NS_ENSURE_TRUE(ni, NS_ERROR_OUT_OF_MEMORY);
95 :
96 3276 : nsCommentNode *instance = new nsCommentNode(ni.forget());
97 1638 : if (!instance) {
98 0 : return NS_ERROR_OUT_OF_MEMORY;
99 : }
100 :
101 1638 : NS_ADDREF(*aInstancePtrResult = instance);
102 :
103 1638 : return NS_OK;
104 : }
105 :
106 1695 : nsCommentNode::nsCommentNode(already_AddRefed<nsINodeInfo> aNodeInfo)
107 1695 : : nsGenericDOMDataNode(aNodeInfo)
108 : {
109 1695 : NS_ABORT_IF_FALSE(mNodeInfo->NodeType() == nsIDOMNode::COMMENT_NODE,
110 : "Bad NodeType in aNodeInfo");
111 1695 : }
112 :
113 3390 : nsCommentNode::~nsCommentNode()
114 : {
115 6780 : }
116 :
117 191 : DOMCI_NODE_DATA(Comment, nsCommentNode)
118 :
119 : // QueryInterface implementation for nsCommentNode
120 40925 : NS_INTERFACE_TABLE_HEAD(nsCommentNode)
121 40925 : NS_NODE_INTERFACE_TABLE3(nsCommentNode, nsIDOMNode, nsIDOMCharacterData,
122 : nsIDOMComment)
123 39121 : NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(Comment)
124 39102 : NS_INTERFACE_MAP_END_INHERITING(nsGenericDOMDataNode)
125 :
126 :
127 10871 : NS_IMPL_ADDREF_INHERITED(nsCommentNode, nsGenericDOMDataNode)
128 10871 : NS_IMPL_RELEASE_INHERITED(nsCommentNode, nsGenericDOMDataNode)
129 :
130 :
131 : bool
132 4399 : nsCommentNode::IsNodeOfType(PRUint32 aFlags) const
133 : {
134 4399 : return !(aFlags & ~(eCONTENT | eCOMMENT | eDATA_NODE));
135 : }
136 :
137 : nsGenericDOMDataNode*
138 57 : nsCommentNode::CloneDataNode(nsINodeInfo *aNodeInfo, bool aCloneText) const
139 : {
140 114 : nsCOMPtr<nsINodeInfo> ni = aNodeInfo;
141 114 : nsCommentNode *it = new nsCommentNode(ni.forget());
142 57 : if (it && aCloneText) {
143 55 : it->mText = mText;
144 : }
145 :
146 57 : return it;
147 : }
148 :
149 : #ifdef DEBUG
150 : void
151 0 : nsCommentNode::List(FILE* out, PRInt32 aIndent) const
152 : {
153 : PRInt32 indx;
154 0 : for (indx = aIndent; --indx >= 0; ) fputs(" ", out);
155 :
156 0 : fprintf(out, "Comment@%p refcount=%d<!--", (void*)this, mRefCnt.get());
157 :
158 0 : nsAutoString tmp;
159 0 : ToCString(tmp, 0, mText.GetLength());
160 0 : fputs(NS_LossyConvertUTF16toASCII(tmp).get(), out);
161 :
162 0 : fputs("-->\n", out);
163 0 : }
164 : #endif
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