parser/html/nsHtml5AtomTable.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/parser/html/nsHtml5AtomTable.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,56 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +#include "nsHtml5AtomTable.h"
     1.9 +#include "nsHtml5Atom.h"
    1.10 +#include "nsThreadUtils.h"
    1.11 +
    1.12 +nsHtml5AtomEntry::nsHtml5AtomEntry(KeyTypePointer aStr)
    1.13 +  : nsStringHashKey(aStr)
    1.14 +  , mAtom(new nsHtml5Atom(*aStr))
    1.15 +{
    1.16 +}
    1.17 +
    1.18 +nsHtml5AtomEntry::nsHtml5AtomEntry(const nsHtml5AtomEntry& aOther)
    1.19 +  : nsStringHashKey(aOther)
    1.20 +  , mAtom(nullptr)
    1.21 +{
    1.22 +  NS_NOTREACHED("nsHtml5AtomTable is broken and tried to copy an entry");
    1.23 +}
    1.24 +
    1.25 +nsHtml5AtomEntry::~nsHtml5AtomEntry()
    1.26 +{
    1.27 +}
    1.28 +
    1.29 +nsHtml5AtomTable::nsHtml5AtomTable()
    1.30 +{
    1.31 +#ifdef DEBUG
    1.32 +  NS_GetMainThread(getter_AddRefs(mPermittedLookupThread));
    1.33 +#endif
    1.34 +}
    1.35 +
    1.36 +nsHtml5AtomTable::~nsHtml5AtomTable()
    1.37 +{
    1.38 +}
    1.39 +
    1.40 +nsIAtom*
    1.41 +nsHtml5AtomTable::GetAtom(const nsAString& aKey)
    1.42 +{
    1.43 +#ifdef DEBUG
    1.44 +  {
    1.45 +    nsCOMPtr<nsIThread> currentThread;
    1.46 +    NS_GetCurrentThread(getter_AddRefs(currentThread));
    1.47 +    NS_ASSERTION(mPermittedLookupThread == currentThread, "Wrong thread!");
    1.48 +  }
    1.49 +#endif
    1.50 +  nsIAtom* atom = NS_GetStaticAtom(aKey);
    1.51 +  if (atom) {
    1.52 +    return atom;
    1.53 +  }
    1.54 +  nsHtml5AtomEntry* entry = mTable.PutEntry(aKey);
    1.55 +  if (!entry) {
    1.56 +    return nullptr;
    1.57 +  }
    1.58 +  return entry->GetAtom();
    1.59 +}

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