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LibWeb: Implement Range.collapse
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3 changed files with 16 additions and 0 deletions
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@ -345,6 +345,20 @@ ExceptionOr<void> Range::select_node(Node& node)
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return select(node);
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}
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// https://dom.spec.whatwg.org/#dom-range-collapse
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void Range::collapse(bool to_start)
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{
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// The collapse(toStart) method steps are to, if toStart is true, set end to start; otherwise set start to end.
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if (to_start) {
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m_end_container = m_start_container;
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m_end_offset = m_start_offset;
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return;
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}
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m_start_container = m_end_container;
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m_start_offset = m_end_offset;
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}
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NonnullRefPtr<Range> Range::clone_range() const
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{
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return adopt_ref(*new Range(const_cast<Node&>(*m_start_container), m_start_offset, const_cast<Node&>(*m_end_container), m_end_offset));
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