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/*
* Copyright (C) 2002, 2003 The Karbon Developers
* Copyright (C) 2006, 2007 Rob Buis <buis@kde.org>
* Copyright (C) 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.
*/
#ifndef SVGParserUtilities_h
#define SVGParserUtilities_h
#include "core/html/parser/HTMLParserIdioms.h"
#include "core/svg/SVGTransform.h"
#include "platform/text/ParserUtilities.h"
#include "wtf/HashSet.h"
typedef pair<unsigned, unsigned> UnicodeRange;
typedef Vector<UnicodeRange> UnicodeRanges;
namespace blink {
class FloatPoint;
enum WhitespaceMode {
DisallowWhitespace = 0,
AllowLeadingWhitespace = 0x1,
AllowTrailingWhitespace = 0x2,
AllowLeadingAndTrailingWhitespace = AllowLeadingWhitespace | AllowTrailingWhitespace
};
bool parseNumber(const LChar*& ptr, const LChar* end, float& number, WhitespaceMode = AllowLeadingAndTrailingWhitespace);
bool parseNumber(const UChar*& ptr, const UChar* end, float& number, WhitespaceMode = AllowLeadingAndTrailingWhitespace);
bool parseNumberOptionalNumber(const String& s, float& h, float& v);
bool parseNumberOrPercentage(const String& s, float& number);
bool parseArcFlag(const LChar*& ptr, const LChar* end, bool& flag);
bool parseArcFlag(const UChar*& ptr, const UChar* end, bool& flag);
template <typename CharType>
bool parseFloatPoint(const CharType*& current, const CharType* end, FloatPoint&);
template <typename CharType>
bool parseFloatPoint2(const CharType*& current, const CharType* end, FloatPoint&, FloatPoint&);
template <typename CharType>
bool parseFloatPoint3(const CharType*& current, const CharType* end, FloatPoint&, FloatPoint&, FloatPoint&);
template <typename CharType>
inline bool skipOptionalSVGSpaces(const CharType*& ptr, const CharType* end)
{
while (ptr < end && isHTMLSpace<CharType>(*ptr))
ptr++;
return ptr < end;
}
template <typename CharType>
inline bool skipOptionalSVGSpacesOrDelimiter(const CharType*& ptr, const CharType* end, char delimiter = ',')
{
if (ptr < end && !isHTMLSpace<CharType>(*ptr) && *ptr != delimiter)
return false;
if (skipOptionalSVGSpaces(ptr, end)) {
if (ptr < end && *ptr == delimiter) {
ptr++;
skipOptionalSVGSpaces(ptr, end);
}
}
return ptr < end;
}
template<typename CharType>
bool parseAndSkipTransformType(const CharType*& ptr, const CharType* end, SVGTransformType&);
SVGTransformType parseTransformType(const String&);
} // namespace blink
#endif // SVGParserUtilities_h
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