71 lines
1.8 KiB
C++
71 lines
1.8 KiB
C++
/*
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* Copyright (c) 2020, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/DOM/Node.h>
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#include <LibWeb/DOM/Range.h>
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#include <LibWeb/DOM/Window.h>
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namespace Web::DOM {
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NonnullRefPtr<Range> Range::create(Window& window)
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{
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return Range::create(window.associated_document());
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}
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NonnullRefPtr<Range> Range::create(Document& document)
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{
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return adopt_ref(*new Range(document));
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}
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NonnullRefPtr<Range> Range::create(Node& start_container, size_t start_offset, Node& end_container, size_t end_offset)
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{
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return adopt_ref(*new Range(start_container, start_offset, end_container, end_offset));
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}
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NonnullRefPtr<Range> Range::create_with_global_object(Bindings::WindowObject& window)
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{
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return Range::create(window.impl());
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}
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Range::Range(Document& document)
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: Range(document, 0, document, 0)
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{
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}
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Range::Range(Node& start_container, size_t start_offset, Node& end_container, size_t end_offset)
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: m_start_container(start_container)
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, m_start_offset(start_offset)
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, m_end_container(end_container)
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, m_end_offset(end_offset)
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{
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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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}
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NonnullRefPtr<Range> Range::inverted() const
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{
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return adopt_ref(*new Range(const_cast<Node&>(*m_end_container), m_end_offset, const_cast<Node&>(*m_start_container), m_start_offset));
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}
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NonnullRefPtr<Range> Range::normalized() const
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{
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if (m_start_container.ptr() == m_end_container.ptr()) {
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if (m_start_offset <= m_end_offset)
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return clone_range();
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return inverted();
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}
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if (m_start_container->is_before(m_end_container))
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return clone_range();
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return inverted();
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}
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}
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