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 {
  16 public:
  17   nsHtml5TreeOpStage();
  18
  19   virtual ~nsHtml5TreeOpStage();
  20
  21   /**
  22    * Flush the operations from the tree operations from the argument
  23    * queue unconditionally.
  24    */
  25   virtual void MoveOpsFrom(nsTArray<nsHtml5TreeOperation>& aOpQueue) override;
  26
  27   /**
  28    * Retrieve the staged operations and speculative loads into the arguments.
  29    */
  30   void MoveOpsAndSpeculativeLoadsTo(
  31     nsTArray<nsHtml5TreeOperation>& aOpQueue,
  32     nsTArray<nsHtml5SpeculativeLoad>& aSpeculativeLoadQueue);
  33
  34   /**
  35    * Move the speculative loads from the argument into the staging queue.
  36    */
  37   void MoveSpeculativeLoadsFrom(
  38     nsTArray<nsHtml5SpeculativeLoad>& aSpeculativeLoadQueue);
  39
  40   /**
  41    * Retrieve the staged speculative loads into the argument.
  42    */
  43   void MoveSpeculativeLoadsTo(
  44     nsTArray<nsHtml5SpeculativeLoad>& aSpeculativeLoadQueue);
  45
  46 #ifdef DEBUG
  47   void AssertEmpty();
  48 #endif
  49
  50 private:
  51   nsTArray<nsHtml5TreeOperation> mOpQueue;
  52   nsTArray<nsHtml5SpeculativeLoad> mSpeculativeLoadQueue;
  53   mozilla::Mutex mMutex;
  54 };
  55
  56 #endif /* nsHtml5TreeOpStage_h */