18e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project/* 2dd8bb3de4f353a81954234999f1fea748aee2ea9Ben Murdoch * Copyright (C) 2002, 2003 The Karbon Developers 3dd8bb3de4f353a81954234999f1fea748aee2ea9Ben Murdoch * Copyright (C) 2006, 2007 Rob Buis <buis@kde.org> 4dd8bb3de4f353a81954234999f1fea748aee2ea9Ben Murdoch * 5dd8bb3de4f353a81954234999f1fea748aee2ea9Ben Murdoch * This library is free software; you can redistribute it and/or 6dd8bb3de4f353a81954234999f1fea748aee2ea9Ben Murdoch * modify it under the terms of the GNU Library General Public 7dd8bb3de4f353a81954234999f1fea748aee2ea9Ben Murdoch * License as published by the Free Software Foundation; either 8dd8bb3de4f353a81954234999f1fea748aee2ea9Ben Murdoch * version 2 of the License, or (at your option) any later version. 9dd8bb3de4f353a81954234999f1fea748aee2ea9Ben Murdoch * 10dd8bb3de4f353a81954234999f1fea748aee2ea9Ben Murdoch * This library is distributed in the hope that it will be useful, 11dd8bb3de4f353a81954234999f1fea748aee2ea9Ben Murdoch * but WITHOUT ANY WARRANTY; without even the implied warranty of 12dd8bb3de4f353a81954234999f1fea748aee2ea9Ben Murdoch * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13dd8bb3de4f353a81954234999f1fea748aee2ea9Ben Murdoch * Library General Public License for more details. 14dd8bb3de4f353a81954234999f1fea748aee2ea9Ben Murdoch * 15dd8bb3de4f353a81954234999f1fea748aee2ea9Ben Murdoch * You should have received a copy of the GNU Library General Public License 16dd8bb3de4f353a81954234999f1fea748aee2ea9Ben Murdoch * along with this library; see the file COPYING.LIB. If not, write to 17dd8bb3de4f353a81954234999f1fea748aee2ea9Ben Murdoch * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 18dd8bb3de4f353a81954234999f1fea748aee2ea9Ben Murdoch * Boston, MA 02110-1301, USA. 19dd8bb3de4f353a81954234999f1fea748aee2ea9Ben Murdoch */ 208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#ifndef SVGParserUtilities_h 228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#define SVGParserUtilities_h 238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#if ENABLE(SVG) 248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 258e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "ParserUtilities.h" 2621939df44de1705786c545cd1bf519d47250322dBen Murdoch#include <wtf/HashSet.h> 2721939df44de1705786c545cd1bf519d47250322dBen Murdoch 2821939df44de1705786c545cd1bf519d47250322dBen Murdochtypedef pair<unsigned, unsigned> UnicodeRange; 2921939df44de1705786c545cd1bf519d47250322dBen Murdochtypedef Vector<UnicodeRange> UnicodeRanges; 308e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 318e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectnamespace WebCore { 328e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 33f05b935882198ccf7d81675736e3aeb089c5113aBen Murdochclass SVGPointList; 348e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 35f05b935882198ccf7d81675736e3aeb089c5113aBen Murdochbool parseNumber(const UChar*& ptr, const UChar* end, float& number, bool skip = true); 36f05b935882198ccf7d81675736e3aeb089c5113aBen Murdochbool parseNumberOptionalNumber(const String& s, float& h, float& v); 37f05b935882198ccf7d81675736e3aeb089c5113aBen Murdochbool parseArcFlag(const UChar*& ptr, const UChar* end, bool& flag); 388e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 39f05b935882198ccf7d81675736e3aeb089c5113aBen Murdoch// SVG allows several different whitespace characters: 40f05b935882198ccf7d81675736e3aeb089c5113aBen Murdoch// http://www.w3.org/TR/SVG/paths.html#PathDataBNF 41f05b935882198ccf7d81675736e3aeb089c5113aBen Murdochinline bool isWhitespace(const UChar& c) 42f05b935882198ccf7d81675736e3aeb089c5113aBen Murdoch{ 43f05b935882198ccf7d81675736e3aeb089c5113aBen Murdoch return c == ' ' || c == '\t' || c == '\n' || c == '\r'; 44f05b935882198ccf7d81675736e3aeb089c5113aBen Murdoch} 458e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 46f05b935882198ccf7d81675736e3aeb089c5113aBen Murdochinline bool skipOptionalSpaces(const UChar*& ptr, const UChar* end) 47f05b935882198ccf7d81675736e3aeb089c5113aBen Murdoch{ 48f05b935882198ccf7d81675736e3aeb089c5113aBen Murdoch while (ptr < end && isWhitespace(*ptr)) 49f05b935882198ccf7d81675736e3aeb089c5113aBen Murdoch ptr++; 50f05b935882198ccf7d81675736e3aeb089c5113aBen Murdoch return ptr < end; 51f05b935882198ccf7d81675736e3aeb089c5113aBen Murdoch} 528e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 53f05b935882198ccf7d81675736e3aeb089c5113aBen Murdochinline bool skipOptionalSpacesOrDelimiter(const UChar*& ptr, const UChar* end, UChar delimiter = ',') 54f05b935882198ccf7d81675736e3aeb089c5113aBen Murdoch{ 55f05b935882198ccf7d81675736e3aeb089c5113aBen Murdoch if (ptr < end && !isWhitespace(*ptr) && *ptr != delimiter) 56f05b935882198ccf7d81675736e3aeb089c5113aBen Murdoch return false; 57f05b935882198ccf7d81675736e3aeb089c5113aBen Murdoch if (skipOptionalSpaces(ptr, end)) { 58f05b935882198ccf7d81675736e3aeb089c5113aBen Murdoch if (ptr < end && *ptr == delimiter) { 59f05b935882198ccf7d81675736e3aeb089c5113aBen Murdoch ptr++; 60f05b935882198ccf7d81675736e3aeb089c5113aBen Murdoch skipOptionalSpaces(ptr, end); 618e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 628e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 63f05b935882198ccf7d81675736e3aeb089c5113aBen Murdoch return ptr < end; 64f05b935882198ccf7d81675736e3aeb089c5113aBen Murdoch} 658e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 66f05b935882198ccf7d81675736e3aeb089c5113aBen Murdochbool pointsListFromSVGData(SVGPointList& pointsList, const String& points); 67f05b935882198ccf7d81675736e3aeb089c5113aBen MurdochVector<String> parseDelimitedString(const String& input, const char seperator); 68f05b935882198ccf7d81675736e3aeb089c5113aBen Murdochbool parseKerningUnicodeString(const String& input, UnicodeRanges&, HashSet<String>& stringList); 69f05b935882198ccf7d81675736e3aeb089c5113aBen Murdochbool parseGlyphName(const String& input, HashSet<String>& values); 708e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 718e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} // namespace WebCore 728e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 738e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#endif // ENABLE(SVG) 748e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#endif // SVGParserUtilities_h 75