129 lines
3.8 KiB
C++
129 lines
3.8 KiB
C++
/*
|
|
* Copyright (C) 2020 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 "SVGTransformList.h"
|
|
|
|
#include "SVGParserUtilities.h"
|
|
#include <wtf/text/StringBuilder.h>
|
|
#include <wtf/text/StringParsingBuffer.h>
|
|
|
|
namespace WebCore {
|
|
|
|
ExceptionOr<RefPtr<SVGTransform>> SVGTransformList::consolidate()
|
|
{
|
|
auto result = canAlterList();
|
|
if (result.hasException())
|
|
return result.releaseException();
|
|
ASSERT(result.releaseReturnValue());
|
|
|
|
// Spec: If the list was empty, then a value of null is returned.
|
|
if (m_items.isEmpty())
|
|
return nullptr;
|
|
|
|
if (m_items.size() == 1)
|
|
return makeRefPtr(at(0).get());
|
|
|
|
auto newItem = SVGTransform::create(concatenate());
|
|
clearItems();
|
|
|
|
auto item = append(WTFMove(newItem));
|
|
commitChange();
|
|
return makeRefPtr(item.get());
|
|
}
|
|
|
|
AffineTransform SVGTransformList::concatenate() const
|
|
{
|
|
AffineTransform result;
|
|
for (auto& transform : m_items)
|
|
result *= transform->matrix()->value();
|
|
return result;
|
|
}
|
|
|
|
template<typename CharacterType> bool SVGTransformList::parseGeneric(StringParsingBuffer<CharacterType>& buffer)
|
|
{
|
|
bool delimParsed = false;
|
|
skipOptionalSVGSpaces(buffer);
|
|
|
|
while (buffer.hasCharactersRemaining()) {
|
|
delimParsed = false;
|
|
|
|
auto parsedTransformType = SVGTransformable::parseTransformType(buffer);
|
|
if (!parsedTransformType)
|
|
return false;
|
|
|
|
auto parsedTransformValue = SVGTransformable::parseTransformValue(*parsedTransformType, buffer);
|
|
if (!parsedTransformValue)
|
|
return false;
|
|
|
|
append(SVGTransform::create(*parsedTransformValue));
|
|
|
|
skipOptionalSVGSpaces(buffer);
|
|
|
|
if (skipExactly(buffer, ','))
|
|
delimParsed = true;
|
|
|
|
skipOptionalSVGSpaces(buffer);
|
|
}
|
|
return !delimParsed;
|
|
}
|
|
|
|
void SVGTransformList::parse(StringView value)
|
|
{
|
|
clearItems();
|
|
|
|
bool parsingSucceeded = readCharactersForParsing(value, [&](auto buffer) {
|
|
return parseGeneric(buffer);
|
|
});
|
|
|
|
if (!parsingSucceeded)
|
|
clearItems();
|
|
}
|
|
|
|
bool SVGTransformList::parse(StringParsingBuffer<LChar>& buffer)
|
|
{
|
|
return parseGeneric(buffer);
|
|
}
|
|
|
|
bool SVGTransformList::parse(StringParsingBuffer<UChar>& buffer)
|
|
{
|
|
return parseGeneric(buffer);
|
|
}
|
|
|
|
String SVGTransformList::valueAsString() const
|
|
{
|
|
StringBuilder builder;
|
|
for (const auto& transfrom : m_items) {
|
|
if (builder.length())
|
|
builder.append(' ');
|
|
|
|
builder.append(transfrom->value().valueAsString());
|
|
}
|
|
return builder.toString();
|
|
}
|
|
|
|
}
|
|
|