1 : /* ***** BEGIN LICENSE BLOCK *****
2 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
3 : *
4 : * The contents of this file are subject to the Mozilla Public License Version
5 : * 1.1 (the "License"); you may not use this file except in compliance with
6 : * the License. You may obtain a copy of the License at
7 : * http://www.mozilla.org/MPL/
8 : *
9 : * Software distributed under the License is distributed on an "AS IS" basis,
10 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
11 : * for the specific language governing rights and limitations under the
12 : * License.
13 : *
14 : * The Original Code is HTML Parser C++ Translator code.
15 : *
16 : * The Initial Developer of the Original Code is
17 : * Mozilla Foundation.
18 : * Portions created by the Initial Developer are Copyright (C) 2009
19 : * the Initial Developer. All Rights Reserved.
20 : *
21 : * Contributor(s):
22 : * Henri Sivonen <hsivonen@iki.fi>
23 : *
24 : * Alternatively, the contents of this file may be used under the terms of
25 : * either the GNU General Public License Version 2 or later (the "GPL"), or
26 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
27 : * in which case the provisions of the GPL or the LGPL are applicable instead
28 : * of those above. If you wish to allow use of your version of this file only
29 : * under the terms of either the GPL or the LGPL, and not to allow others to
30 : * use your version of this file under the terms of the MPL, indicate your
31 : * decision by deleting the provisions above and replace them with the notice
32 : * and other provisions required by the GPL or the LGPL. If you do not delete
33 : * the provisions above, a recipient may use your version of this file under
34 : * the terms of any one of the MPL, the GPL or the LGPL.
35 : *
36 : * ***** END LICENSE BLOCK ***** */
37 :
38 : #ifndef nsHtml5Speculation_h__
39 : #define nsHtml5Speculation_h__
40 :
41 : #include "nsHtml5OwningUTF16Buffer.h"
42 : #include "nsAHtml5TreeBuilderState.h"
43 : #include "nsHtml5TreeOperation.h"
44 : #include "nsAHtml5TreeOpSink.h"
45 : #include "nsTArray.h"
46 : #include "nsAutoPtr.h"
47 :
48 : class nsHtml5Speculation : public nsAHtml5TreeOpSink
49 : {
50 : public:
51 : nsHtml5Speculation(nsHtml5OwningUTF16Buffer* aBuffer,
52 : PRInt32 aStart,
53 : PRInt32 aStartLineNumber,
54 : nsAHtml5TreeBuilderState* aSnapshot);
55 :
56 : ~nsHtml5Speculation();
57 :
58 0 : nsHtml5OwningUTF16Buffer* GetBuffer() {
59 0 : return mBuffer;
60 : }
61 :
62 0 : PRInt32 GetStart() {
63 0 : return mStart;
64 : }
65 :
66 0 : PRInt32 GetStartLineNumber() {
67 0 : return mStartLineNumber;
68 : }
69 :
70 0 : nsAHtml5TreeBuilderState* GetSnapshot() {
71 0 : return mSnapshot;
72 : }
73 :
74 : /**
75 : * Flush the operations from the tree operations from the argument
76 : * queue unconditionally.
77 : */
78 : virtual void MoveOpsFrom(nsTArray<nsHtml5TreeOperation>& aOpQueue);
79 :
80 : void FlushToSink(nsAHtml5TreeOpSink* aSink);
81 :
82 : private:
83 : /**
84 : * The first buffer in the pending UTF-16 buffer queue
85 : */
86 : nsRefPtr<nsHtml5OwningUTF16Buffer> mBuffer;
87 :
88 : /**
89 : * The start index of this speculation in the first buffer
90 : */
91 : PRInt32 mStart;
92 :
93 : /**
94 : * The current line number at the start of the speculation
95 : */
96 : PRInt32 mStartLineNumber;
97 :
98 : nsAutoPtr<nsAHtml5TreeBuilderState> mSnapshot;
99 :
100 : nsTArray<nsHtml5TreeOperation> mOpQueue;
101 : };
102 :
103 : #endif // nsHtml5Speculation_h__
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