1 files changed, 80 insertions, 0 deletions
diff --git a/parser/htmlparser/nsHTMLTags.h b/parser/htmlparser/nsHTMLTags.h
new file mode 100644
index 0000000000..eb7e3aaa25
--- /dev/null
+++ b/parser/htmlparser/nsHTMLTags.h
@@ -0,0 +1,80 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 nsHTMLTags_h___
+#define nsHTMLTags_h___
+
+#include "nsAtom.h"
+#include "nsString.h"
+#include "nsTHashMap.h"
+#include "nsHashKeys.h"
+
+/*
+   Declare the enum list using the magic of preprocessing
+   enum values are "eHTMLTag_foo" (where foo is the tag)
+
+   To change the list of tags, see nsHTMLTagList.h
+
+   These enum values are used as the index of array in various places.
+   If we change the structure of the enum by adding entries to it or removing
+   entries from it _directly_, not via nsHTMLTagList.h, don't forget to update
+   dom/bindings/BindingUtils.cpp and dom/html/nsHTMLContentSink.cpp as well.
+ */
+#define HTML_TAG(_tag, _classname, _interfacename) eHTMLTag_##_tag,
+#define HTML_OTHER(_tag) eHTMLTag_##_tag,
+enum nsHTMLTag {
+  /* this enum must be first and must be zero */
+  eHTMLTag_unknown = 0,
+#include "nsHTMLTagList.h"
+
+  /* can't be moved into nsHTMLTagList since gcc3.4 doesn't like a
+     comma at the end of enum list*/
+  eHTMLTag_userdefined
+};
+#undef HTML_TAG
+#undef HTML_OTHER
+
+// All tags before eHTMLTag_text are HTML tags
+#define NS_HTML_TAG_MAX int32_t(eHTMLTag_text - 1)
+
+class nsHTMLTags {
+ public:
+  using TagStringHash = nsTHashMap<nsStringHashKey, nsHTMLTag>;
+  using TagAtomHash = nsTHashMap<nsPtrHashKey<nsAtom>, nsHTMLTag>;
+
+  static nsresult AddRefTable(void);
+  static void ReleaseTable(void);
+
+  // Functions for converting string or atom to id
+  static nsHTMLTag StringTagToId(const nsAString& aTagName);
+  static nsHTMLTag AtomTagToId(nsAtom* aTagName) {
+    return StringTagToId(nsDependentAtomString(aTagName));
+  }
+
+  static nsHTMLTag CaseSensitiveStringTagToId(const nsAString& aTagName) {
+    NS_ASSERTION(gTagTable, "no lookup table, needs addref");
+
+    return gTagTable->MaybeGet(aTagName).valueOr(eHTMLTag_userdefined);
+  }
+  static nsHTMLTag CaseSensitiveAtomTagToId(nsAtom* aTagName) {
+    NS_ASSERTION(gTagAtomTable, "no lookup table, needs addref");
+    NS_ASSERTION(aTagName, "null tagname!");
+
+    return gTagAtomTable->MaybeGet(aTagName).valueOr(eHTMLTag_userdefined);
+  }
+
+#ifdef DEBUG
+  static void TestTagTable();
+#endif
+
+ private:
+  static const char16_t* const sTagNames[];
+
+  static int32_t gTableRefCount;
+  static TagStringHash* gTagTable;
+  static TagAtomHash* gTagAtomTable;
+};
+
+#endif /* nsHTMLTags_h___ */