/parser/html/nsHtml5AtomTable.cpp

 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
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33 * the provisions above, a recipient may use your version of this file under
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36 * ***** END LICENSE BLOCK ***** */
37
38#include "nsHtml5AtomTable.h"
39#include "nsHtml5Atom.h"
40#include "nsThreadUtils.h"
41
42nsHtml5AtomEntry::nsHtml5AtomEntry(KeyTypePointer aStr)
43  : nsStringHashKey(aStr)
44  , mAtom(new nsHtml5Atom(*aStr))
45{
46}
47
48nsHtml5AtomEntry::nsHtml5AtomEntry(const nsHtml5AtomEntry& aOther)
49  : nsStringHashKey(aOther)
50  , mAtom(nsnull)
51{
52  NS_NOTREACHED("nsHtml5AtomTable is broken and tried to copy an entry");
53}
54
55nsHtml5AtomEntry::~nsHtml5AtomEntry()
56{
57}
58
59nsHtml5AtomTable::nsHtml5AtomTable()
60{
61#ifdef DEBUG
62  NS_GetMainThread(getter_AddRefs(mPermittedLookupThread));
63#endif
64}
65
66nsHtml5AtomTable::~nsHtml5AtomTable()
67{
68}
69
70nsIAtom*
71nsHtml5AtomTable::GetAtom(const nsAString& aKey)
72{
73#ifdef DEBUG
74  {
75    nsCOMPtr<nsIThread> currentThread;
76    NS_GetCurrentThread(getter_AddRefs(currentThread));
77    NS_ASSERTION(mPermittedLookupThread == currentThread, "Wrong thread!");
78  }
79#endif
80  nsIAtom* atom = NS_GetStaticAtom(aKey);
81  if (atom) {
82    return atom;
83  }
84  nsHtml5AtomEntry* entry = mTable.PutEntry(aKey);
85  if (!entry) {
86    return nsnull;
87  }
88  return entry->GetAtom();
89}