mirror of
https://github.com/LadybirdBrowser/ladybird
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fd44da6829
Previously, the LibWeb bindings generator would output multiple per interface files like Prototype/Constructor/Namespace/GlobalMixin depending on the contents of that IDL file. This complicates the build system as it means that it does not know what files will be generated without knowledge of the contents of that IDL file. Instead, for each IDL file only generate a single Bindings/<IDLFile>.h and Bindings/<IDLFile>.cpp.
113 lines
3.6 KiB
C++
113 lines
3.6 KiB
C++
/*
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* Copyright (c) 2025, Sam Atkins <sam@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/Bindings/CSSPageRule.h>
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/CSS/CSSPageRule.h>
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#include <LibWeb/CSS/Parser/Parser.h>
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#include <LibWeb/CSS/Serialize.h>
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#include <LibWeb/Dump.h>
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#include <LibWeb/WebIDL/ExceptionOr.h>
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namespace Web::CSS {
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GC_DEFINE_ALLOCATOR(CSSPageRule);
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GC::Ref<CSSPageRule> CSSPageRule::create(JS::Realm& realm, PageSelectorList&& selectors, GC::Ref<CSSPageDescriptors> style, CSSRuleList& rules)
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{
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return realm.create<CSSPageRule>(realm, move(selectors), style, rules);
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}
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CSSPageRule::CSSPageRule(JS::Realm& realm, PageSelectorList&& selectors, GC::Ref<CSSPageDescriptors> style, CSSRuleList& rules)
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: CSSGroupingRule(realm, rules, Type::Page)
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, m_selectors(move(selectors))
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, m_style(style)
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{
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m_style->set_parent_rule(*this);
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}
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void CSSPageRule::initialize(JS::Realm& realm)
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{
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WEB_SET_PROTOTYPE_FOR_INTERFACE(CSSPageRule);
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Base::initialize(realm);
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}
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// https://drafts.csswg.org/cssom/#dom-csspagerule-selectortext
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String CSSPageRule::selector_text() const
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{
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// The selectorText attribute, on getting, must return the result of serializing the associated selector list.
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// https://www.w3.org/TR/cssom/#serialize-a-group-of-selectors
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// To serialize a group of selectors serialize each selector in the group of selectors and then serialize a comma-separated list of these serializations.
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return MUST(String::join(", "sv, m_selectors));
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}
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// https://drafts.csswg.org/cssom/#dom-csspagerule-selectortext
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void CSSPageRule::set_selector_text(StringView text)
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{
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// On setting the selectorText attribute these steps must be run:
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// 1. Run the parse a list of CSS page selectors algorithm on the given value.
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auto page_selector_list = parse_page_selector_list(Parser::ParsingParams {}, text);
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// 2. If the algorithm returns a non-null value replace the associated selector list with the returned value.
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if (page_selector_list.has_value())
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m_selectors = page_selector_list.release_value();
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// 3. Otherwise, if the algorithm returns a null value, do nothing.
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}
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// https://drafts.csswg.org/cssom/#ref-for-csspagerule
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String CSSPageRule::serialized() const
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{
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auto& descriptors = *m_style;
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StringBuilder builder;
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// AD-HOC: There's no spec for this yet, but Chrome puts declarations before margin rules.
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builder.append("@page "sv);
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if (auto selector = selector_text(); !selector.is_empty())
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builder.appendff("{} ", selector);
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builder.append("{ "sv);
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if (descriptors.length() > 0) {
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builder.append(descriptors.serialized());
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builder.append(' ');
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}
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for (size_t i = 0; i < css_rules().length(); i++) {
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auto rule = css_rules().item(i);
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auto result = rule->css_text();
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if (result.is_empty())
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continue;
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builder.appendff("{} ", result);
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}
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builder.append("}"sv);
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return builder.to_string_without_validation();
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}
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void CSSPageRule::visit_edges(Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_style);
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}
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void CSSPageRule::dump(StringBuilder& builder, int indent_levels) const
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{
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Base::dump(builder, indent_levels);
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dump_indent(builder, indent_levels + 1);
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builder.appendff("Selector: {}\n", selector_text());
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dump_descriptors(builder, descriptors(), indent_levels + 1);
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dump_indent(builder, indent_levels + 1);
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builder.appendff("Rules ({}):\n", css_rules().length());
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for (auto& rule : css_rules())
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dump_rule(builder, rule, indent_levels + 2);
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}
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}
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