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/*
* Copyright (C) 2019 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.
*/
#pragma once
#include "LineLayoutTraversal.h"
#include "SimpleLineLayoutResolver.h"
namespace WebCore {
namespace LineLayoutTraversal {
class SimplePath {
public:
SimplePath(SimpleLineLayout::RunResolver::Iterator iterator, SimpleLineLayout::RunResolver::Iterator end)
: m_iterator(iterator)
, m_end(end)
{ }
FloatRect rect() const { return (*m_iterator).rect(); }
float baselineOffset() const { return (*m_iterator).baselineOffset(); }
bool isLeftToRightDirection() const { return true; }
bool isHorizontal() const { return true; }
bool dirOverride() const { return false; }
bool isLineBreak() const { return (*m_iterator).isLineBreak(); }
bool useLineBreakBoxRenderTreeDumpQuirk() const
{
if (m_iterator.atBegin())
return false;
auto previous = m_iterator;
--previous;
return !(*previous).isEndOfLine();
}
bool hasHyphen() const { return (*m_iterator).hasHyphen(); }
StringView text() const { return (*m_iterator).text(); }
unsigned localStartOffset() const { return (*m_iterator).localStart(); }
unsigned localEndOffset() const { return (*m_iterator).localEnd(); }
unsigned length() const { return (*m_iterator).end() - (*m_iterator).start(); }
bool isLastOnLine() const
{
auto next = m_iterator;
++next;
return next == m_end || (*m_iterator).lineIndex() != (*next).lineIndex();
}
bool isLast() const
{
auto next = m_iterator;
++next;
return next == m_end;
};
void traverseNextTextBoxInVisualOrder()
{
// This function is currently only used for consecutive text runs.
++m_iterator;
}
void traverseNextTextBoxInTextOrder() { traverseNextTextBoxInVisualOrder(); }
bool operator==(const SimplePath& other) const { return m_iterator == other.m_iterator; }
bool atEnd() const { return m_iterator == m_end; }
private:
SimpleLineLayout::RunResolver::Iterator m_iterator;
SimpleLineLayout::RunResolver::Iterator m_end;
};
}
}