1 files changed, 94 insertions, 0 deletions
diff --git a/parser/htmlparser/nsHTMLTags.h b/parser/htmlparser/nsHTMLTags.h
new file mode 100644
index 000000000..8f0c86b4b
--- /dev/null
+++ b/parser/htmlparser/nsHTMLTags.h
@@ -0,0 +1,94 @@
+/* -*- 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 "nsString.h"
+#include "plhash.h"
+
+class nsIAtom;
+
+/*
+   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
+
+ */
+#define HTML_TAG(_tag, _classname) eHTMLTag_##_tag,
+#define HTML_HTMLELEMENT_TAG(_tag) 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_HTMLELEMENT_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:
+  static void RegisterAtoms(void);
+  static nsresult AddRefTable(void);
+  static void ReleaseTable(void);
+
+  // Functions for converting string or atom to id
+  static nsHTMLTag LookupTag(const nsAString& aTagName);
+  static nsHTMLTag CaseSensitiveLookupTag(const char16_t* aTagName)
+  {
+    NS_ASSERTION(gTagTable, "no lookup table, needs addref");
+    NS_ASSERTION(aTagName, "null tagname!");
+
+    void* tag = PL_HashTableLookupConst(gTagTable, aTagName);
+
+    return tag ? (nsHTMLTag)NS_PTR_TO_INT32(tag) : eHTMLTag_userdefined;
+  }
+  static nsHTMLTag CaseSensitiveLookupTag(nsIAtom* aTagName)
+  {
+    NS_ASSERTION(gTagAtomTable, "no lookup table, needs addref");
+    NS_ASSERTION(aTagName, "null tagname!");
+
+    void* tag = PL_HashTableLookupConst(gTagAtomTable, aTagName);
+
+    return tag ? (nsHTMLTag)NS_PTR_TO_INT32(tag) : eHTMLTag_userdefined;
+  }
+
+  // Functions for converting an id to a string or atom
+  static const char16_t *GetStringValue(nsHTMLTag aEnum)
+  {
+    return aEnum <= eHTMLTag_unknown || aEnum > NS_HTML_TAG_MAX ?
+      nullptr : sTagUnicodeTable[aEnum - 1];
+  }
+  static nsIAtom *GetAtom(nsHTMLTag aEnum)
+  {
+    return aEnum <= eHTMLTag_unknown || aEnum > NS_HTML_TAG_MAX ?
+      nullptr : sTagAtomTable[aEnum - 1];
+  }
+
+#ifdef DEBUG
+  static void TestTagTable();
+#endif
+
+private:
+  static nsIAtom* sTagAtomTable[eHTMLTag_userdefined - 1];
+  static const char16_t* const sTagUnicodeTable[];
+
+  static int32_t gTableRefCount;
+  static PLHashTable* gTagTable;
+  static PLHashTable* gTagAtomTable;
+};
+
+#define eHTMLTags nsHTMLTag
+
+#endif /* nsHTMLTags_h___ */