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ladybird/Userland/Libraries/LibWeb/HTML/Parser/StackOfOpenElements.h

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LibWeb: Factor out the "stack of open elements" into its own class This will allow us to write more expressive parsing code. :^)
2020-05-24 19:24:36 +02:00
/*
* 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/NonnullRefPtrVector.h>
#include <LibWeb/DOM/Element.h>
#include <LibWeb/Forward.h>
LibWeb: Move HTML classes into the Web::HTML namespace
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namespace Web::HTML {
LibWeb: Factor out the "stack of open elements" into its own class This will allow us to write more expressive parsing code. :^)
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class StackOfOpenElements {
public:
StackOfOpenElements() { }
~StackOfOpenElements();
LibWeb: Move DOM classes into the Web::DOM namespace LibWeb keeps growing and the Web namespace is filling up fast. Let's put DOM stuff into Web::DOM, just like we already started doing with SVG stuff in Web::SVG.
2020-07-26 19:37:56 +02:00
DOM::Element& first() { return m_elements.first(); }
DOM::Element& last() { return m_elements.last(); }
LibWeb: Implement more table support in the new HTML parser This is enough to parse the Google front page! (Note: I did have to hack the tokenizer while parsing Google, in order to avoid named character references screwing everything up. We'll fix that too soon enough!)
2020-05-28 00:27:46 +02:00
LibWeb: Factor out the "stack of open elements" into its own class This will allow us to write more expressive parsing code. :^)
2020-05-24 19:24:36 +02:00
bool is_empty() const { return m_elements.is_empty(); }
LibWeb: Move DOM classes into the Web::DOM namespace LibWeb keeps growing and the Web namespace is filling up fast. Let's put DOM stuff into Web::DOM, just like we already started doing with SVG stuff in Web::SVG.
2020-07-26 19:37:56 +02:00
void push(NonnullRefPtr<DOM::Element> element) { m_elements.append(move(element)); }
NonnullRefPtr<DOM::Element> pop() { return m_elements.take_last(); }
LibWeb: Factor out the "stack of open elements" into its own class This will allow us to write more expressive parsing code. :^)
2020-05-24 19:24:36 +02:00
LibWeb: Move DOM classes into the Web::DOM namespace LibWeb keeps growing and the Web namespace is filling up fast. Let's put DOM stuff into Web::DOM, just like we already started doing with SVG stuff in Web::SVG.
2020-07-26 19:37:56 +02:00
const DOM::Element& current_node() const { return m_elements.last(); }
DOM::Element& current_node() { return m_elements.last(); }
LibWeb: Factor out the "stack of open elements" into its own class This will allow us to write more expressive parsing code. :^)
2020-05-24 19:24:36 +02:00
bool has_in_scope(const FlyString& tag_name) const;
LibWeb: Yet more work towards parsing www/welcome.html :^)
2020-05-24 22:21:25 +02:00
bool has_in_button_scope(const FlyString& tag_name) const;
LibWeb: Start fleshing out the "in table" parser insertion mode
2020-05-25 20:30:34 +02:00
bool has_in_table_scope(const FlyString& tag_name) const;
LibWeb: Improve support for "a" and "li" during "in body" insertion We can now parse welcome.html once again, without resorting to hacks or fallbacks during "in body" :^)
2020-05-29 22:06:05 +02:00
bool has_in_list_item_scope(const FlyString& tag_name) const;
LibWeb: Support parsing "select" elements (outside of tables)
2020-05-30 19:58:52 +02:00
bool has_in_select_scope(const FlyString& tag_name) const;
LibWeb: Factor out the "stack of open elements" into its own class This will allow us to write more expressive parsing code. :^)
2020-05-24 19:24:36 +02:00
LibWeb: Move DOM classes into the Web::DOM namespace LibWeb keeps growing and the Web namespace is filling up fast. Let's put DOM stuff into Web::DOM, just like we already started doing with SVG stuff in Web::SVG.
2020-07-26 19:37:56 +02:00
bool has_in_scope(const DOM::Element&) const;
LibWeb: Implement the first half of the Adoption Agency Algorithm The AAA is a somewhat daunting algorithm you have to run for certain tag when inserted inside the <body> element. The purpose of it is to resolve issues with mismatched tags. This patch implements the first half of the AAA. We also move the "list of active formatting elements" to its own class, since it kept accumulating little behaviors. "Marker" entries are now signified by null Element pointers in the list.
2020-05-27 23:22:42 +02:00
LibWeb: Move DOM classes into the Web::DOM namespace LibWeb keeps growing and the Web namespace is filling up fast. Let's put DOM stuff into Web::DOM, just like we already started doing with SVG stuff in Web::SVG.
2020-07-26 19:37:56 +02:00
bool contains(const DOM::Element&) const;
LibWeb: Parse "form" tags during the "in body" insertion mode
2020-05-30 11:13:57 +02:00
bool contains(const FlyString& tag_name) const;
LibWeb: Finally parse enough that we can actually handle welcome.html! We made it, at last! What a long journey this was. :^)
2020-05-24 22:39:59 +02:00
LibWeb: Move DOM classes into the Web::DOM namespace LibWeb keeps growing and the Web namespace is filling up fast. Let's put DOM stuff into Web::DOM, just like we already started doing with SVG stuff in Web::SVG.
2020-07-26 19:37:56 +02:00
const NonnullRefPtrVector<DOM::Element>& elements() const { return m_elements; }
NonnullRefPtrVector<DOM::Element>& elements() { return m_elements; }
LibWeb: Finally parse enough that we can actually handle welcome.html! We made it, at last! What a long journey this was. :^)
2020-05-24 22:39:59 +02:00
LibWeb: Add a StackOfOpenElements helper for "popping until a tag name"
2020-05-28 18:09:31 +02:00
void pop_until_an_element_with_tag_name_has_been_popped(const FlyString&);
LibWeb: Move DOM classes into the Web::DOM namespace LibWeb keeps growing and the Web namespace is filling up fast. Let's put DOM stuff into Web::DOM, just like we already started doing with SVG stuff in Web::SVG.
2020-07-26 19:37:56 +02:00
DOM::Element* topmost_special_node_below(const DOM::Element&);
LibWeb: Improve support for "a" and "li" during "in body" insertion We can now parse welcome.html once again, without resorting to hacks or fallbacks during "in body" :^)
2020-05-29 22:06:05 +02:00
LibWeb: Implement <template> parsing Note that there is currently no way to display them as we can't currently clone nodes. Adds special case for templates for dumping to console. Doesn't add it to the DOM inspector as I'm not sure how to do it.
2020-08-19 22:30:33 +01:00
struct LastElementResult {
DOM::Element* element;
ssize_t index;
};
LastElementResult last_element_with_tag_name(const FlyString&);
LibWeb: Move DOM classes into the Web::DOM namespace LibWeb keeps growing and the Web namespace is filling up fast. Let's put DOM stuff into Web::DOM, just like we already started doing with SVG stuff in Web::SVG.
2020-07-26 19:37:56 +02:00
DOM::Element* element_before(const DOM::Element&);
LibWeb: Implement more of the foster parenting algorithm in the parser
2020-06-21 17:00:55 +02:00
LibWeb: Factor out the "stack of open elements" into its own class This will allow us to write more expressive parsing code. :^)
2020-05-24 19:24:36 +02:00
private:
LibWeb: Yet more work towards parsing www/welcome.html :^)
2020-05-24 22:21:25 +02:00
bool has_in_scope_impl(const FlyString& tag_name, const Vector<FlyString>&) const;
LibWeb: Move DOM classes into the Web::DOM namespace LibWeb keeps growing and the Web namespace is filling up fast. Let's put DOM stuff into Web::DOM, just like we already started doing with SVG stuff in Web::SVG.
2020-07-26 19:37:56 +02:00
bool has_in_scope_impl(const DOM::Element& target_node, const Vector<FlyString>&) const;
LibWeb: Yet more work towards parsing www/welcome.html :^)
2020-05-24 22:21:25 +02:00
LibWeb: Move DOM classes into the Web::DOM namespace LibWeb keeps growing and the Web namespace is filling up fast. Let's put DOM stuff into Web::DOM, just like we already started doing with SVG stuff in Web::SVG.
2020-07-26 19:37:56 +02:00
NonnullRefPtrVector<DOM::Element> m_elements;
LibWeb: Factor out the "stack of open elements" into its own class This will allow us to write more expressive parsing code. :^)
2020-05-24 19:24:36 +02:00
};
}
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