1/* 2 * Copyright (C) Research In Motion Limited 2010. All rights reserved. 3 * 4 * This library is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Library General Public 6 * License as published by the Free Software Foundation; either 7 * version 2 of the License, or (at your option) any later version. 8 * 9 * This library is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU Library General Public License 15 * along with this library; see the file COPYING.LIB. If not, write to 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 * Boston, MA 02110-1301, USA. 18 */ 19 20#ifndef SVGPathByteStream_h 21#define SVGPathByteStream_h 22 23#if ENABLE(SVG) 24#include <wtf/Noncopyable.h> 25#include <wtf/PassOwnPtr.h> 26#include <wtf/Vector.h> 27 28namespace WebCore { 29 30// Type definitions for the byte stream data 31typedef union { 32 bool value; 33 unsigned char bytes[sizeof(bool)]; 34} BoolByte; 35 36typedef union { 37 float value; 38 unsigned char bytes[sizeof(float)]; 39} FloatByte; 40 41typedef union { 42 unsigned short value; 43 unsigned char bytes[sizeof(unsigned short)]; 44} UnsignedShortByte; 45 46class SVGPathByteStream { 47 WTF_MAKE_FAST_ALLOCATED; 48public: 49 static PassOwnPtr<SVGPathByteStream> create() 50 { 51 return adoptPtr(new SVGPathByteStream); 52 } 53 54 PassOwnPtr<SVGPathByteStream> copy() 55 { 56 return adoptPtr(new SVGPathByteStream(m_data)); 57 } 58 59 typedef Vector<unsigned char> Data; 60 typedef Data::const_iterator DataIterator; 61 62 DataIterator begin() { return m_data.begin(); } 63 DataIterator end() { return m_data.end(); } 64 void append(unsigned char byte) { m_data.append(byte); } 65 void append(SVGPathByteStream* other) 66 { 67 for (DataIterator it = other->begin(); it != other->end(); ++it) 68 append(*it); 69 } 70 void clear() { m_data.clear(); } 71 bool isEmpty() const { return !m_data.size(); } 72 unsigned size() const { return m_data.size(); } 73 74 // Only defined to let SVGAnimatedPathAnimator use the standard list code paths - this method is never called. 75 void resize(unsigned) { } 76 77private: 78 SVGPathByteStream() { } 79 SVGPathByteStream(Data& data) 80 : m_data(data) 81 { 82 } 83 84 Data m_data; 85}; 86 87} // namespace WebCore 88 89#endif // ENABLE(SVG) 90#endif // SVGPathByteStream_h 91