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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /parser/htmlparser/nsHTMLTags.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'parser/htmlparser/nsHTMLTags.h')
-rw-r--r-- | parser/htmlparser/nsHTMLTags.h | 80 |
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___ */ |