Bug 482919 - Add speculative parsing to the HTML5 parser. r=bnewman.

2009-10-12 16:08:04 +03:00
parent 87b1f6516d
commit e5e8f90558
20 changed files with 934 additions and 215 deletions
--- a/parser/html/nsHtml5Speculation.cpp
+++ b/parser/html/nsHtml5Speculation.cpp
@@ -0,0 +1,75 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is HTML Parser C++ Translator code.
+ *
+ * The Initial Developer of the Original Code is
+ * Mozilla Foundation.
+ * Portions created by the Initial Developer are Copyright (C) 2009
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Henri Sivonen <hsivonen@iki.fi>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include "nsHtml5Speculation.h"
+
+nsHtml5Speculation::nsHtml5Speculation(nsHtml5UTF16Buffer* aBuffer, 
+                                       PRInt32 aStart, 
+                                       nsAHtml5TreeBuilderState* aSnapshot)
+  : mBuffer(aBuffer)
+  , mStart(aStart)
+  , mSnapshot(aSnapshot)
+{
+  MOZ_COUNT_CTOR(nsHtml5Speculation);
+}
+
+nsHtml5Speculation::~nsHtml5Speculation()
+{
+  MOZ_COUNT_DTOR(nsHtml5Speculation);
+}
+
+void
+nsHtml5Speculation::MaybeFlush(nsTArray<nsHtml5TreeOperation>& aOpQueue)
+{
+  // No-op
+}
+
+void
+nsHtml5Speculation::ForcedFlush(nsTArray<nsHtml5TreeOperation>& aOpQueue)
+{
+  if (mOpQueue.IsEmpty()) {
+    mOpQueue.SwapElements(aOpQueue);
+    return;
+  }
+  mOpQueue.MoveElementsFrom(aOpQueue);
+}
+
+void
+nsHtml5Speculation::FlushToSink(nsAHtml5TreeOpSink* aSink)
+{
+  aSink->ForcedFlush(mOpQueue);
+}