1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
/*
* Copyright (C) 2002, 2003 The Karbon Developers
* Copyright (C) 2006, 2007 Rob Buis <buis@kde.org>
*
* 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
#if ENABLE(SVG)
#include "ParserUtilities.h"
#include <wtf/HashSet.h>
typedef pair<unsigned, unsigned> UnicodeRange;
typedef Vector<UnicodeRange> UnicodeRanges;
namespace WebCore {
class SVGPointList;
bool parseNumber(const UChar*& ptr, const UChar* end, float& number, bool skip = true);
bool parseNumberOptionalNumber(const String& s, float& h, float& v);
bool parseArcFlag(const UChar*& ptr, const UChar* end, bool& flag);
// SVG allows several different whitespace characters:
// http://www.w3.org/TR/SVG/paths.html#PathDataBNF
inline bool isWhitespace(const UChar& c)
{
return (c == ' ' || c == '\t' || c == '\n' || c == '\r');
}
inline bool skipOptionalSpaces(const UChar*& ptr, const UChar* end)
{
while (ptr < end && isWhitespace(*ptr))
ptr++;
return ptr < end;
}
inline bool skipOptionalSpacesOrDelimiter(const UChar*& ptr, const UChar* end, UChar delimiter = ',')
{
if (ptr < end && !isWhitespace(*ptr) && *ptr != delimiter)
return false;
if (skipOptionalSpaces(ptr, end)) {
if (ptr < end && *ptr == delimiter) {
ptr++;
skipOptionalSpaces(ptr, end);
}
}
return ptr < end;
}
bool pointsListFromSVGData(SVGPointList* pointsList, const String& points);
Vector<String> parseDelimitedString(const String& input, const char seperator);
bool parseKerningUnicodeString(const String& input, UnicodeRanges&, HashSet<String>& stringList);
bool parseGlyphName(const String& input, HashSet<String>& values);
} // namespace WebCore
#endif // ENABLE(SVG)
#endif // SVGParserUtilities_h
|