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	 82444048de
			
		
	
	
		82444048de
		
	
	
	
	
		
			
			Instead of creating extremely common FlyStrings like "id" and "class"
on demand every time they are needed, we now have AttributeNames.h,
which provides Web::HTML::AttributeNames::{id,class_}
This avoids a bunch of string allocations during selector matching.
		
	
			
		
			
				
	
	
		
			60 lines
		
	
	
	
		
			2.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			60 lines
		
	
	
	
		
			2.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 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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| #pragma once
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| 
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| #include <AK/Forward.h>
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| #include <LibWeb/DOM/AttributeNames.h>
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| #include <LibWeb/Forward.h>
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| #include <LibWeb/TreeNode.h>
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| 
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| namespace Web {
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| 
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| template<typename NodeType>
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| class NonElementParentNode {
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| public:
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|     const Element* get_element_by_id(const FlyString& id) const
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|     {
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|         const Element* found_element = nullptr;
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|         static_cast<const NodeType*>(this)->template for_each_in_subtree_of_type<Element>([&](auto& element) {
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|             if (element.attribute(HTML::AttributeNames::id) == id) {
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|                 found_element = &element;
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|                 return IterationDecision::Break;
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|             }
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|             return IterationDecision::Continue;
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|         });
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|         return found_element;
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|     }
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|     Element* get_element_by_id(const FlyString& id)
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|     {
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|         return const_cast<Element*>(const_cast<const NonElementParentNode*>(this)->get_element_by_id(id));
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|     }
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| 
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| protected:
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|     NonElementParentNode() { }
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| };
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| 
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| }
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