parser/html/nsHtml5TreeOpStage.h

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #ifndef nsHtml5TreeOpStage_h
   6 #define nsHtml5TreeOpStage_h
   7
   8 #include "mozilla/Mutex.h"
   9 #include "nsHtml5TreeOperation.h"
  10 #include "nsTArray.h"
  11 #include "nsAHtml5TreeOpSink.h"
  12 #include "nsHtml5SpeculativeLoad.h"
  13
  14 class nsHtml5TreeOpStage : public nsAHtml5TreeOpSink {
  15  public:
  16   nsHtml5TreeOpStage();
  17
  18   virtual ~nsHtml5TreeOpStage();
  19
  20   /**
  21    * Flush the operations from the tree operations from the argument
  22    * queue unconditionally.
  23    */
  24   virtual void MoveOpsFrom(nsTArray<nsHtml5TreeOperation>& aOpQueue) override;
  25
  26   /**
  27    * Retrieve the staged operations and speculative loads into the arguments.
  28    */
  29   void MoveOpsAndSpeculativeLoadsTo(
  30       nsTArray<nsHtml5TreeOperation>& aOpQueue,
  31       nsTArray<nsHtml5SpeculativeLoad>& aSpeculativeLoadQueue);
  32
  33   /**
  34    * Move the speculative loads from the argument into the staging queue.
  35    */
  36   void MoveSpeculativeLoadsFrom(
  37       nsTArray<nsHtml5SpeculativeLoad>& aSpeculativeLoadQueue);
  38
  39   /**
  40    * Retrieve the staged speculative loads into the argument.
  41    */
  42   void MoveSpeculativeLoadsTo(
  43       nsTArray<nsHtml5SpeculativeLoad>& aSpeculativeLoadQueue);
  44
  45 #ifdef DEBUG
  46   void AssertEmpty();
  47 #endif
  48
  49  private:
  50   nsTArray<nsHtml5TreeOperation> mOpQueue;
  51   nsTArray<nsHtml5SpeculativeLoad> mSpeculativeLoadQueue;
  52   mozilla::Mutex mMutex;
  53 };
  54
  55 #endif /* nsHtml5TreeOpStage_h */