1 files changed, 52 insertions, 0 deletions
diff --git a/parser/html/nsAHtml5TreeBuilderState.h b/parser/html/nsAHtml5TreeBuilderState.h
new file mode 100644
index 0000000000..0de332b93c
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+++ b/parser/html/nsAHtml5TreeBuilderState.h
@@ -0,0 +1,52 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsAHtml5TreeBuilderState_h
+#define nsAHtml5TreeBuilderState_h
+
+#include <cstdint>
+#include "nsIContentHandle.h"
+
+template <class T, class L>
+class jArray;
+class nsHtml5StackNode;
+
+/**
+ * Interface for exposing the internal state of the HTML5 tree builder.
+ * For more documentation, please see
+ * https://hg.mozilla.org/projects/htmlparser/file/tip/src/nu/validator/htmlparser/impl/StateSnapshot.java
+ */
+class nsAHtml5TreeBuilderState {
+ public:
+  virtual jArray<nsHtml5StackNode*, int32_t> getStack() = 0;
+
+  virtual jArray<nsHtml5StackNode*, int32_t>
+  getListOfActiveFormattingElements() = 0;
+
+  virtual jArray<int32_t, int32_t> getTemplateModeStack() = 0;
+
+  virtual int32_t getStackLength() = 0;
+
+  virtual int32_t getListOfActiveFormattingElementsLength() = 0;
+
+  virtual int32_t getTemplateModeStackLength() = 0;
+
+  virtual nsIContentHandle* getFormPointer() = 0;
+
+  virtual nsIContentHandle* getHeadPointer() = 0;
+
+  virtual int32_t getMode() = 0;
+
+  virtual int32_t getOriginalMode() = 0;
+
+  virtual bool isFramesetOk() = 0;
+
+  virtual bool isNeedToDropLF() = 0;
+
+  virtual bool isQuirks() = 0;
+
+  virtual ~nsAHtml5TreeBuilderState() {}
+};
+
+#endif /* nsAHtml5TreeBuilderState_h */