svg_parser_utilities.cc | Explore in Territory

/*
 * Copyright (C) 2002, 2003 The Karbon Developers
 * Copyright (C) 2006 Alexander Kellett <[email protected]>
 * Copyright (C) 2006, 2007 Rob Buis <[email protected]>
 * Copyright (C) 2007, 2009, 2013 Apple Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/351564777): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif

#include "third_party/blink/renderer/core/svg/svg_parser_utilities.h"

#include <limits>
#include "third_party/blink/renderer/platform/wtf/math_extras.h"
#include "third_party/blink/renderer/platform/wtf/text/character_visitor.h"

namespace blink {

template <typename FloatType>
static inline bool IsValidRange(const FloatType x) { … }

// We use this generic parseNumber function to allow the Path parsing code to
// work at a higher precision internally, without any unnecessary runtime cost
// or code complexity.
template <typename CharType, typename FloatType>
static bool GenericParseNumber(const CharType*& cursor,
                               const CharType* end,
                               FloatType& number,
                               WhitespaceMode mode) { … }

bool ParseNumber(const LChar*& ptr,
                 const LChar* end,
                 float& number,
                 WhitespaceMode mode) { … }

bool ParseNumber(const UChar*& ptr,
                 const UChar* end,
                 float& number,
                 WhitespaceMode mode) { … }

// only used to parse largeArcFlag and sweepFlag which must be a "0" or "1"
// and might not have any whitespace/comma after it
template <typename CharType>
bool GenericParseArcFlag(const CharType*& ptr,
                         const CharType* end,
                         bool& flag) { … }

bool ParseArcFlag(const LChar*& ptr, const LChar* end, bool& flag) { … }

bool ParseArcFlag(const UChar*& ptr, const UChar* end, bool& flag) { … }

bool ParseNumberOptionalNumber(const String& string, float& x, float& y) { … }

}  // namespace blink
chromium/third_party/blink/renderer/core/svg/svg_parser_utilities.cc
