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	 7309642ca8
			
		
	
	
		7309642ca8
		
	
	
	
	
		
			
			This makes selector matching a lot more efficient, and also reduces the number of strings on the heap.
		
			
				
	
	
		
			94 lines
		
	
	
	
		
			4.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			94 lines
		
	
	
	
		
			4.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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|  * All rights reserved.
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|  *
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|  * Redistribution and use in source and binary forms, with or without
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|  * modification, are permitted provided that the following conditions are met:
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|  *
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|  * 1. Redistributions of source code must retain the above copyright notice, this
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|  *    list of conditions and the following disclaimer.
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|  *
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|  * 2. Redistributions in binary form must reproduce the above copyright notice,
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|  *    this list of conditions and the following disclaimer in the documentation
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|  *    and/or other materials provided with the distribution.
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|  *
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|  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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|  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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|  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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|  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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|  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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|  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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|  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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|  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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|  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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|  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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|  */
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| 
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| #include <LibWeb/DOM/ElementFactory.h>
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| #include <LibWeb/DOM/HTMLAnchorElement.h>
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| #include <LibWeb/DOM/HTMLBRElement.h>
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| #include <LibWeb/DOM/HTMLBlinkElement.h>
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| #include <LibWeb/DOM/HTMLBodyElement.h>
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| #include <LibWeb/DOM/HTMLCanvasElement.h>
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| #include <LibWeb/DOM/HTMLFontElement.h>
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| #include <LibWeb/DOM/HTMLFormElement.h>
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| #include <LibWeb/DOM/HTMLHRElement.h>
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| #include <LibWeb/DOM/HTMLHeadElement.h>
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| #include <LibWeb/DOM/HTMLHeadingElement.h>
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| #include <LibWeb/DOM/HTMLHtmlElement.h>
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| #include <LibWeb/DOM/HTMLImageElement.h>
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| #include <LibWeb/DOM/HTMLInputElement.h>
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| #include <LibWeb/DOM/HTMLLinkElement.h>
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| #include <LibWeb/DOM/HTMLScriptElement.h>
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| #include <LibWeb/DOM/HTMLStyleElement.h>
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| #include <LibWeb/DOM/HTMLTitleElement.h>
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| 
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| namespace Web {
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| 
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| NonnullRefPtr<Element> create_element(Document& document, const FlyString& tag_name)
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| {
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|     auto lowercase_tag_name = tag_name.to_lowercase();
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|     if (lowercase_tag_name == "a")
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|         return adopt(*new HTMLAnchorElement(document, lowercase_tag_name));
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|     if (lowercase_tag_name == "html")
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|         return adopt(*new HTMLHtmlElement(document, lowercase_tag_name));
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|     if (lowercase_tag_name == "head")
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|         return adopt(*new HTMLHeadElement(document, lowercase_tag_name));
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|     if (lowercase_tag_name == "body")
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|         return adopt(*new HTMLBodyElement(document, lowercase_tag_name));
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|     if (lowercase_tag_name == "font")
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|         return adopt(*new HTMLFontElement(document, lowercase_tag_name));
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|     if (lowercase_tag_name == "hr")
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|         return adopt(*new HTMLHRElement(document, lowercase_tag_name));
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|     if (lowercase_tag_name == "style")
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|         return adopt(*new HTMLStyleElement(document, lowercase_tag_name));
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|     if (lowercase_tag_name == "title")
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|         return adopt(*new HTMLTitleElement(document, lowercase_tag_name));
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|     if (lowercase_tag_name == "link")
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|         return adopt(*new HTMLLinkElement(document, lowercase_tag_name));
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|     if (lowercase_tag_name == "img")
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|         return adopt(*new HTMLImageElement(document, lowercase_tag_name));
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|     if (lowercase_tag_name == "blink")
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|         return adopt(*new HTMLBlinkElement(document, lowercase_tag_name));
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|     if (lowercase_tag_name == "form")
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|         return adopt(*new HTMLFormElement(document, lowercase_tag_name));
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|     if (lowercase_tag_name == "input")
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|         return adopt(*new HTMLInputElement(document, lowercase_tag_name));
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|     if (lowercase_tag_name == "br")
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|         return adopt(*new HTMLBRElement(document, lowercase_tag_name));
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|     if (lowercase_tag_name == "h1"
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|         || lowercase_tag_name == "h2"
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|         || lowercase_tag_name == "h3"
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|         || lowercase_tag_name == "h4"
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|         || lowercase_tag_name == "h5"
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|         || lowercase_tag_name == "h6") {
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|         return adopt(*new HTMLHeadingElement(document, lowercase_tag_name));
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|     }
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|     if (lowercase_tag_name == "script")
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|         return adopt(*new HTMLScriptElement(document, lowercase_tag_name));
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|     if (lowercase_tag_name == "canvas")
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|         return adopt(*new HTMLCanvasElement(document, lowercase_tag_name));
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|     return adopt(*new Element(document, lowercase_tag_name));
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| }
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| 
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| }
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