LibWeb: Add HTML::TagNames namespace for global tag name FlyStrings

Instead of "iframe", we can now say HTML::TagNames::iframe and avoid
a FlyString lookup.

Libraries/LibWeb/CMakeLists.txt

@@ -62,6 +62,7 @@ set(SOURCES
     DOM/ImageData.cpp
     DOM/Node.cpp
     DOM/ParentNode.cpp
+    DOM/TagNames.cpp
     DOM/Text.cpp
     DOM/Window.cpp
     DOM/XMLHttpRequest.cpp

Libraries/LibWeb/DOM/Document.cpp

@@ -68,6 +68,7 @@ Document::Document(const URL& url)
     , m_window(Window::create_with_document(*this))
 {
     HTML::AttributeNames::initialize();
+    HTML::TagNames::initialize();
 
     m_style_update_timer = Core::Timer::create_single_shot(0, [this] {
         update_style();

Libraries/LibWeb/DOM/Element.h

@@ -31,6 +31,7 @@
 #include <LibWeb/DOM/Attribute.h>
 #include <LibWeb/DOM/AttributeNames.h>
 #include <LibWeb/DOM/ParentNode.h>
+#include <LibWeb/DOM/TagNames.h>
 #include <LibWeb/Layout/LayoutNode.h>
 
 namespace Web {

Libraries/LibWeb/DOM/ElementFactory.cpp

@@ -52,55 +52,47 @@ namespace Web {
 NonnullRefPtr<Element> create_element(Document& document, const FlyString& tag_name)
 {
     auto lowercase_tag_name = tag_name.to_lowercase();
-    if (lowercase_tag_name == "a")
+    if (lowercase_tag_name == HTML::TagNames::a)
         return adopt(*new HTMLAnchorElement(document, lowercase_tag_name));
-    if (lowercase_tag_name == "html")
+    if (lowercase_tag_name == HTML::TagNames::html)
         return adopt(*new HTMLHtmlElement(document, lowercase_tag_name));
-    if (lowercase_tag_name == "head")
+    if (lowercase_tag_name == HTML::TagNames::head)
         return adopt(*new HTMLHeadElement(document, lowercase_tag_name));
-    if (lowercase_tag_name == "body")
+    if (lowercase_tag_name == HTML::TagNames::body)
         return adopt(*new HTMLBodyElement(document, lowercase_tag_name));
-    if (lowercase_tag_name == "font")
+    if (lowercase_tag_name == HTML::TagNames::font)
         return adopt(*new HTMLFontElement(document, lowercase_tag_name));
-    if (lowercase_tag_name == "hr")
+    if (lowercase_tag_name == HTML::TagNames::hr)
         return adopt(*new HTMLHRElement(document, lowercase_tag_name));
-    if (lowercase_tag_name == "style")
+    if (lowercase_tag_name == HTML::TagNames::style)
         return adopt(*new HTMLStyleElement(document, lowercase_tag_name));
-    if (lowercase_tag_name == "title")
+    if (lowercase_tag_name == HTML::TagNames::title)
         return adopt(*new HTMLTitleElement(document, lowercase_tag_name));
-    if (lowercase_tag_name == "link")
+    if (lowercase_tag_name == HTML::TagNames::link)
         return adopt(*new HTMLLinkElement(document, lowercase_tag_name));
-    if (lowercase_tag_name == "img")
+    if (lowercase_tag_name == HTML::TagNames::img)
         return adopt(*new HTMLImageElement(document, lowercase_tag_name));
-    if (lowercase_tag_name == "blink")
+    if (lowercase_tag_name == HTML::TagNames::blink)
         return adopt(*new HTMLBlinkElement(document, lowercase_tag_name));
-    if (lowercase_tag_name == "form")
+    if (lowercase_tag_name == HTML::TagNames::form)
         return adopt(*new HTMLFormElement(document, lowercase_tag_name));
-    if (lowercase_tag_name == "input")
+    if (lowercase_tag_name == HTML::TagNames::input)
         return adopt(*new HTMLInputElement(document, lowercase_tag_name));
-    if (lowercase_tag_name == "br")
+    if (lowercase_tag_name == HTML::TagNames::br)
         return adopt(*new HTMLBRElement(document, lowercase_tag_name));
-    if (lowercase_tag_name == "iframe")
+    if (lowercase_tag_name == HTML::TagNames::iframe)
         return adopt(*new HTMLIFrameElement(document, lowercase_tag_name));
-    if (lowercase_tag_name == "table")
+    if (lowercase_tag_name == HTML::TagNames::table)
         return adopt(*new HTMLTableElement(document, lowercase_tag_name));
-    if (lowercase_tag_name == "tr")
+    if (lowercase_tag_name == HTML::TagNames::tr)
         return adopt(*new HTMLTableRowElement(document, lowercase_tag_name));
-    if (lowercase_tag_name == "td" || lowercase_tag_name == "th")
+    if (lowercase_tag_name == HTML::TagNames::td || lowercase_tag_name == HTML::TagNames::th)
         return adopt(*new HTMLTableCellElement(document, lowercase_tag_name));
-    if (lowercase_tag_name == "iframe")
+    if (lowercase_tag_name.is_one_of(HTML::TagNames::h1, HTML::TagNames::h2, HTML::TagNames::h3, HTML::TagNames::h4, HTML::TagNames::h5, HTML::TagNames::h6))
-        return adopt(*new HTMLIFrameElement(document, lowercase_tag_name));
-    if (lowercase_tag_name == "h1"
-        || lowercase_tag_name == "h2"
-        || lowercase_tag_name == "h3"
-        || lowercase_tag_name == "h4"
-        || lowercase_tag_name == "h5"
-        || lowercase_tag_name == "h6") {
         return adopt(*new HTMLHeadingElement(document, lowercase_tag_name));
-    }
+    if (lowercase_tag_name == HTML::TagNames::script)
-    if (lowercase_tag_name == "script")
         return adopt(*new HTMLScriptElement(document, lowercase_tag_name));
-    if (lowercase_tag_name == "canvas")
+    if (lowercase_tag_name == HTML::TagNames::canvas)
         return adopt(*new HTMLCanvasElement(document, lowercase_tag_name));
     return adopt(*new Element(document, lowercase_tag_name));
 }

Libraries/LibWeb/DOM/HTMLAnchorElement.h

@@ -42,7 +42,7 @@ public:
 template<>
 inline bool is<HTMLAnchorElement>(const Node& node)
 {
-    return is<Element>(node) && to<Element>(node).tag_name().equals_ignoring_case("a");
+    return is<Element>(node) && to<Element>(node).tag_name() == HTML::TagNames::a;
 }
 
 }

Libraries/LibWeb/DOM/HTMLBRElement.h

@@ -41,7 +41,7 @@ public:
 template<>
 inline bool is<HTMLBRElement>(const Node& node)
 {
-    return is<Element>(node) && to<Element>(node).tag_name().equals_ignoring_case("br");
+    return is<Element>(node) && to<Element>(node).tag_name() == HTML::TagNames::br;
 }
 
 }

Libraries/LibWeb/DOM/HTMLBlinkElement.h

@@ -42,4 +42,10 @@ private:
     NonnullRefPtr<Core::Timer> m_timer;
 };
 
+template<>
+inline bool is<HTMLBlinkElement>(const Node& node)
+{
+    return is<Element>(node) && to<Element>(node).tag_name() == HTML::TagNames::blink;
+}
+
 }

Libraries/LibWeb/DOM/HTMLBodyElement.h

@@ -45,7 +45,7 @@ private:
 template<>
 inline bool is<HTMLBodyElement>(const Node& node)
 {
-    return is<Element>(node) && to<Element>(node).tag_name().equals_ignoring_case("body");
+    return is<Element>(node) && to<Element>(node).tag_name() == HTML::TagNames::body;
 }
 
 }

Libraries/LibWeb/DOM/HTMLCanvasElement.h

@@ -60,7 +60,7 @@ private:
 template<>
 inline bool is<HTMLCanvasElement>(const Node& node)
 {
-    return is<Element>(node) && to<Element>(node).tag_name().equals_ignoring_case("canvas");
+    return is<Element>(node) && to<Element>(node).tag_name() == HTML::TagNames::canvas;
 }
 
 }

Libraries/LibWeb/DOM/HTMLFontElement.h

@@ -38,4 +38,10 @@ public:
     virtual void apply_presentational_hints(StyleProperties&) const override;
 };
 
+template<>
+inline bool is<HTMLFontElement>(const Node& node)
+{
+    return is<Element>(node) && to<Element>(node).tag_name() == HTML::TagNames::font;
+}
+
 }

Libraries/LibWeb/DOM/HTMLFormElement.h

@@ -45,7 +45,7 @@ public:
 template<>
 inline bool is<HTMLFormElement>(const Node& node)
 {
-    return is<Element>(node) && to<Element>(node).tag_name().equals_ignoring_case("form");
+    return is<Element>(node) && to<Element>(node).tag_name() == HTML::TagNames::form;
 }
 
 }

Libraries/LibWeb/DOM/HTMLHRElement.h

@@ -36,4 +36,10 @@ public:
     virtual ~HTMLHRElement() override;
 };
 
+template<>
+inline bool is<HTMLHRElement>(const Node& node)
+{
+    return is<Element>(node) && to<Element>(node).tag_name() == HTML::TagNames::hr;
+}
+
 }

Libraries/LibWeb/DOM/HTMLIFrameElement.h

@@ -52,7 +52,7 @@ private:
 template<>
 inline bool is<HTMLIFrameElement>(const Node& node)
 {
-    return is<Element>(node) && to<Element>(node).tag_name().equals_ignoring_case("iframe");
+    return is<Element>(node) && to<Element>(node).tag_name() == HTML::TagNames::iframe;
 }
 
 }

Libraries/LibWeb/DOM/HTMLImageElement.h

@@ -82,7 +82,7 @@ private:
 template<>
 inline bool is<HTMLImageElement>(const Node& node)
 {
-    return is<Element>(node) && to<Element>(node).tag_name().equals_ignoring_case("img");
+    return is<Element>(node) && to<Element>(node).tag_name() == HTML::TagNames::img;
 }
 
 }

Libraries/LibWeb/DOM/HTMLInputElement.h

@@ -45,7 +45,7 @@ public:
 template<>
 inline bool is<HTMLInputElement>(const Node& node)
 {
-    return is<Element>(node) && to<Element>(node).tag_name().equals_ignoring_case("input");
+    return is<Element>(node) && to<Element>(node).tag_name() == HTML::TagNames::input;
 }
 
 }

Libraries/LibWeb/DOM/HTMLLinkElement.h

@@ -57,7 +57,7 @@ private:
 template<>
 inline bool is<HTMLLinkElement>(const Node& node)
 {
-    return is<Element>(node) && to<Element>(node).tag_name().equals_ignoring_case("link");
+    return is<Element>(node) && to<Element>(node).tag_name() == HTML::TagNames::link;
 }
 
 }

Libraries/LibWeb/DOM/HTMLScriptElement.h

@@ -69,7 +69,7 @@ private:
 template<>
 inline bool is<HTMLScriptElement>(const Node& node)
 {
-    return is<Element>(node) && to<Element>(node).tag_name().equals_ignoring_case("script");
+    return is<Element>(node) && to<Element>(node).tag_name() == HTML::TagNames::script;
 }
 
 }

Libraries/LibWeb/DOM/HTMLStyleElement.h

@@ -44,4 +44,11 @@ private:
     RefPtr<StyleSheet> m_stylesheet;
 };
 
+template<>
+inline bool is<HTMLStyleElement>(const Node& node)
+{
+    return is<Element>(node) && to<Element>(node).tag_name() == HTML::TagNames::style;
+}
+
+
 }

Libraries/LibWeb/DOM/HTMLTableCellElement.h

@@ -39,7 +39,7 @@ public:
 template<>
 inline bool is<HTMLTableCellElement>(const Node& node)
 {
-    return is<Element>(node) && to<Element>(node).tag_name().is_one_of("td", "th");
+    return is<Element>(node) && to<Element>(node).tag_name().is_one_of(HTML::TagNames::td, HTML::TagNames::th);
 }
 
 }

Libraries/LibWeb/DOM/HTMLTableElement.h

@@ -39,7 +39,7 @@ public:
 template<>
 inline bool is<HTMLTableElement>(const Node& node)
 {
-    return is<Element>(node) && to<Element>(node).tag_name().equals_ignoring_case("table");
+    return is<Element>(node) && to<Element>(node).tag_name() == HTML::TagNames::table;
 }
 
 }

Libraries/LibWeb/DOM/HTMLTableRowElement.h

@@ -39,7 +39,7 @@ public:
 template<>
 inline bool is<HTMLTableRowElement>(const Node& node)
 {
-    return is<Element>(node) && to<Element>(node).tag_name().equals_ignoring_case("tr");
+    return is<Element>(node) && to<Element>(node).tag_name() == HTML::TagNames::tr;
 }
 
 }

Libraries/LibWeb/DOM/TagNames.cpp

@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <LibWeb/DOM/TagNames.h>
+
+namespace Web {
+namespace HTML {
+namespace TagNames {
+
+#define __ENUMERATE_HTML_TAG(name) FlyString name;
+ENUMERATE_HTML_TAGS
+#undef __ENUMERATE_HTML_TAG
+
+void initialize()
+{
+    static bool s_initialized = false;
+    if (s_initialized)
+        return;
+
+#define __ENUMERATE_HTML_TAG(name) \
+    name = #name;
+    ENUMERATE_HTML_TAGS
+#undef __ENUMERATE_HTML_TAG
+
+    s_initialized = true;
+}
+
+}
+}
+}

Libraries/LibWeb/DOM/TagNames.h

@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include <AK/FlyString.h>
+
+namespace Web {
+namespace HTML {
+namespace TagNames {
+
+void initialize();
+
+#define ENUMERATE_HTML_TAGS        \
+    __ENUMERATE_HTML_TAG(a)        \
+    __ENUMERATE_HTML_TAG(article)  \
+    __ENUMERATE_HTML_TAG(b)        \
+    __ENUMERATE_HTML_TAG(blink)    \
+    __ENUMERATE_HTML_TAG(body)     \
+    __ENUMERATE_HTML_TAG(br)       \
+    __ENUMERATE_HTML_TAG(button)   \
+    __ENUMERATE_HTML_TAG(canvas)   \
+    __ENUMERATE_HTML_TAG(div)      \
+    __ENUMERATE_HTML_TAG(em)       \
+    __ENUMERATE_HTML_TAG(font)     \
+    __ENUMERATE_HTML_TAG(form)     \
+    __ENUMERATE_HTML_TAG(h1)       \
+    __ENUMERATE_HTML_TAG(h2)       \
+    __ENUMERATE_HTML_TAG(h3)       \
+    __ENUMERATE_HTML_TAG(h4)       \
+    __ENUMERATE_HTML_TAG(h5)       \
+    __ENUMERATE_HTML_TAG(h6)       \
+    __ENUMERATE_HTML_TAG(head)     \
+    __ENUMERATE_HTML_TAG(hr)       \
+    __ENUMERATE_HTML_TAG(html)     \
+    __ENUMERATE_HTML_TAG(i)        \
+    __ENUMERATE_HTML_TAG(iframe)   \
+    __ENUMERATE_HTML_TAG(img)      \
+    __ENUMERATE_HTML_TAG(input)    \
+    __ENUMERATE_HTML_TAG(li)       \
+    __ENUMERATE_HTML_TAG(link)     \
+    __ENUMERATE_HTML_TAG(main)     \
+    __ENUMERATE_HTML_TAG(marquee)  \
+    __ENUMERATE_HTML_TAG(meta)     \
+    __ENUMERATE_HTML_TAG(nav)      \
+    __ENUMERATE_HTML_TAG(ol)       \
+    __ENUMERATE_HTML_TAG(pre)      \
+    __ENUMERATE_HTML_TAG(s)        \
+    __ENUMERATE_HTML_TAG(script)   \
+    __ENUMERATE_HTML_TAG(section)  \
+    __ENUMERATE_HTML_TAG(span)     \
+    __ENUMERATE_HTML_TAG(strong)   \
+    __ENUMERATE_HTML_TAG(style)    \
+    __ENUMERATE_HTML_TAG(table)    \
+    __ENUMERATE_HTML_TAG(tbody)    \
+    __ENUMERATE_HTML_TAG(td)       \
+    __ENUMERATE_HTML_TAG(textarea) \
+    __ENUMERATE_HTML_TAG(tfoot)    \
+    __ENUMERATE_HTML_TAG(th)       \
+    __ENUMERATE_HTML_TAG(thead)    \
+    __ENUMERATE_HTML_TAG(title)    \
+    __ENUMERATE_HTML_TAG(tr)       \
+    __ENUMERATE_HTML_TAG(u)        \
+    __ENUMERATE_HTML_TAG(ul)
+
+#define __ENUMERATE_HTML_TAG(name) extern FlyString name;
+ENUMERATE_HTML_TAGS
+#undef __ENUMERATE_HTML_TAG
+
+}
+}
+}