52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
/*
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* Copyright (c) 2021, Sam Atkins <atkinssj@serenityos.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/CSS/CSSRuleList.h>
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#include <LibWeb/DOM/ExceptionOr.h>
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namespace Web::CSS {
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CSSRuleList::CSSRuleList(NonnullRefPtrVector<CSSRule>&& rules)
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: m_rules(move(rules))
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{
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}
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CSSRuleList::~CSSRuleList()
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{
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}
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bool CSSRuleList::is_supported_property_index(u32 index) const
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{
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// The object’s supported property indices are the numbers in the range zero to one less than the number of CSSRule objects represented by the collection.
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// If there are no such CSSRule objects, then there are no supported property indices.
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return index < m_rules.size();
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}
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// https://drafts.csswg.org/cssom/#remove-a-css-rule
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DOM::ExceptionOr<void> CSSRuleList::remove_a_css_rule(u32 index)
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{
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// 1. Set length to the number of items in list.
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auto length = m_rules.size();
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// 2. If index is greater than or equal to length, then throw an IndexSizeError exception.
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if (index >= length)
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return DOM::IndexSizeError::create("CSS rule index out of bounds.");
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// 3. Set old rule to the indexth item in list.
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auto& old_rule = m_rules[index];
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// FIXME: 4. If old rule is an @namespace at-rule, and list contains anything other than @import at-rules, and @namespace at-rules, throw an InvalidStateError exception.
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(void)old_rule;
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// 5. Remove rule old rule from list at the zero-indexed position index.
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m_rules.remove(index);
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// FIXME: 6. Set old rule’s parent CSS rule and parent CSS style sheet to null.
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return {};
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}
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}
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