blob: 8136da19330a02ca9534dd40cbf03aef5db9179f [file] [log] [blame]
/*
* Copyright (C) 2016 Apple Inc. 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 APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
*/
#include "config.h"
#include "StaticRange.h"
#include "DOMException.h"
#include "Node.h"
#include "Range.h"
namespace WebCore {
StaticRange::StaticRange(Ref<Node>&& startContainer, unsigned startOffset, Ref<Node>&& endContainer, unsigned endOffset)
: m_startContainer(WTFMove(startContainer))
, m_startOffset(startOffset)
, m_endContainer(WTFMove(endContainer))
, m_endOffset(endOffset)
{
}
StaticRange::~StaticRange() = default;
Ref<StaticRange> StaticRange::create(Ref<Node>&& startContainer, unsigned startOffset, Ref<Node>&& endContainer, unsigned endOffset)
{
return adoptRef(*new StaticRange(WTFMove(startContainer), startOffset, WTFMove(endContainer), endOffset));
}
Ref<StaticRange> StaticRange::createFromRange(const Range& range)
{
return StaticRange::create(range.startContainer(), range.startOffset(), range.endContainer(), range.endOffset());
}
static inline bool isDocumentTypeOrAttr(Node& node)
{
return node.isDocumentTypeNode() || node.isAttributeNode();
}
ExceptionOr<Ref<StaticRange>> StaticRange::create(Init&& init)
{
ASSERT(init.startContainer);
ASSERT(init.endContainer);
if (isDocumentTypeOrAttr(*init.startContainer) || isDocumentTypeOrAttr(*init.endContainer))
return Exception { InvalidNodeTypeError };
return StaticRange::create(init.startContainer.releaseNonNull(), init.startOffset, init.endContainer.releaseNonNull(), init.endOffset);
}
Node* StaticRange::startContainer() const
{
return (Node*)m_startContainer.ptr();
}
Node* StaticRange::endContainer() const
{
return (Node*)m_endContainer.ptr();
}
bool StaticRange::collapsed() const
{
return m_startOffset == m_endOffset && m_startContainer.ptr() == m_endContainer.ptr();
}
bool StaticRange::operator==(const StaticRange& other) const
{
return (m_startOffset == other.startOffset() && m_endOffset == other.endOffset() && m_startContainer->isEqualNode(other.startContainer()) && m_endContainer->isEqualNode(other.endContainer()));
}
}