93 lines
2.9 KiB
C++
93 lines
2.9 KiB
C++
/*
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* Copyright (C) Research In Motion Limited 2010. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#pragma once
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#include "FloatPoint.h"
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#include "SVGPathByteStream.h"
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#include "SVGPathSource.h"
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namespace WebCore {
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class SVGPathByteStreamSource final : public SVGPathSource {
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public:
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explicit SVGPathByteStreamSource(const SVGPathByteStream&);
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private:
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bool hasMoreData() const final;
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bool moveToNextToken() final { return true; }
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SVGPathSegType nextCommand(SVGPathSegType) final;
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std::optional<SVGPathSegType> parseSVGSegmentType() final;
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std::optional<MoveToSegment> parseMoveToSegment() final;
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std::optional<LineToSegment> parseLineToSegment() final;
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std::optional<LineToHorizontalSegment> parseLineToHorizontalSegment() final;
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std::optional<LineToVerticalSegment> parseLineToVerticalSegment() final;
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std::optional<CurveToCubicSegment> parseCurveToCubicSegment() final;
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std::optional<CurveToCubicSmoothSegment> parseCurveToCubicSmoothSegment() final;
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std::optional<CurveToQuadraticSegment> parseCurveToQuadraticSegment() final;
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std::optional<CurveToQuadraticSmoothSegment> parseCurveToQuadraticSmoothSegment() final;
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std::optional<ArcToSegment> parseArcToSegment() final;
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#if COMPILER(MSVC)
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#pragma warning(disable: 4701)
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#endif
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template<typename DataType, typename ByteType>
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DataType readType()
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{
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ByteType data;
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size_t typeSize = sizeof(ByteType);
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for (size_t i = 0; i < typeSize; ++i) {
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ASSERT_WITH_SECURITY_IMPLICATION(m_streamCurrent < m_streamEnd);
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data.bytes[i] = *m_streamCurrent;
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++m_streamCurrent;
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}
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return data.value;
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}
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bool readFlag()
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{
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return readType<bool, BoolByte>();
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}
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float readFloat()
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{
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return readType<float, FloatByte>();
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}
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unsigned short readSVGSegmentType()
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{
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return readType<unsigned short, UnsignedShortByte>();
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}
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FloatPoint readFloatPoint()
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{
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float x = readType<float, FloatByte>();
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float y = readType<float, FloatByte>();
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return FloatPoint(x, y);
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}
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SVGPathByteStream::DataIterator m_streamCurrent;
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SVGPathByteStream::DataIterator m_streamEnd;
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};
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} // namespace WebCore
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