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/*
* Copyright (C) 2019-2021 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 "InlineIteratorTextBox.h"
#include "InlineIteratorBoxInlines.h"
#include "InlineIteratorLineBox.h"
#include "InlineIteratorTextBoxInlines.h"
#include "LayoutIntegrationLineLayout.h"
#include "RenderCombineText.h"
#include "RenderStyleInlines.h"
#include "SVGInlineTextBox.h"
namespace WebCore {
namespace InlineIterator {
TextBoxIterator TextBox::nextTextBox() const
{
return TextBoxIterator(*this).traverseNextTextBox();
}
bool TextBox::isCombinedText() const
{
auto& renderer = this->renderer();
return is<RenderCombineText>(renderer) && downcast<RenderCombineText>(renderer).isCombined();
}
const FontCascade& TextBox::fontCascade() const
{
if (isCombinedText())
return downcast<RenderCombineText>(renderer()).textCombineFont();
return style().fontCascade();
}
TextBoxIterator::TextBoxIterator(Box::PathVariant&& pathVariant)
: LeafBoxIterator(WTFMove(pathVariant))
{
}
TextBoxIterator::TextBoxIterator(const Box& box)
: LeafBoxIterator(box)
{
}
TextBoxIterator& TextBoxIterator::traverseNextTextBox()
{
WTF::switchOn(m_box.m_pathVariant, [](auto& path) {
path.traverseNextTextBox();
});
return *this;
}
TextBoxIterator firstTextBoxFor(const RenderText& text)
{
if (auto* lineLayout = LayoutIntegration::LineLayout::containing(text))
return lineLayout->textBoxesFor(text);
return { BoxLegacyPath { text.firstTextBox() } };
}
TextBoxIterator textBoxFor(const LegacyInlineTextBox* legacyInlineTextBox)
{
return { BoxLegacyPath { legacyInlineTextBox } };
}
TextBoxIterator textBoxFor(const LayoutIntegration::InlineContent& content, const InlineDisplay::Box& box)
{
return textBoxFor(content, content.indexForBox(box));
}
TextBoxIterator textBoxFor(const LayoutIntegration::InlineContent& content, size_t boxIndex)
{
ASSERT(content.displayContent().boxes[boxIndex].isTextOrSoftLineBreak());
return { BoxModernPath { content, boxIndex } };
}
TextBoxRange textBoxesFor(const RenderText& text)
{
return { firstTextBoxFor(text) };
}
}
}
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