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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 #include "wtf/Noncopyable.h"
24 #include "wtf/PassOwnPtr.h"
25 #include "wtf/Vector.h"
26 
27 namespace blink {
28 
29 template<typename DataType>
30 union ByteType {
31     DataType value;
32     unsigned char bytes[sizeof(DataType)];
33 };
34 
35 class SVGPathByteStream {
36     WTF_MAKE_FAST_ALLOCATED;
37 public:
create()38     static PassOwnPtr<SVGPathByteStream> create()
39     {
40         return adoptPtr(new SVGPathByteStream);
41     }
42 
copy()43     PassOwnPtr<SVGPathByteStream> copy() const
44     {
45         return adoptPtr(new SVGPathByteStream(m_data));
46     }
47 
48     typedef Vector<unsigned char> Data;
49     typedef Data::const_iterator DataIterator;
50 
begin()51     DataIterator begin() const { return m_data.begin(); }
end()52     DataIterator end() const { return m_data.end(); }
append(unsigned char byte)53     void append(unsigned char byte) { m_data.append(byte); }
append(SVGPathByteStream * other)54     void append(SVGPathByteStream* other) { m_data.appendVector(other->m_data); }
clear()55     void clear() { m_data.clear(); }
reserveInitialCapacity(size_t size)56     void reserveInitialCapacity(size_t size) { m_data.reserveInitialCapacity(size); }
shrinkToFit()57     void shrinkToFit() { m_data.shrinkToFit(); }
isEmpty()58     bool isEmpty() const { return m_data.isEmpty(); }
size()59     unsigned size() const { return m_data.size(); }
60 
61 private:
SVGPathByteStream()62     SVGPathByteStream() { }
SVGPathByteStream(const Data & data)63     SVGPathByteStream(const Data& data)
64         : m_data(data)
65     {
66     }
67 
68     Data m_data;
69 };
70 
71 } // namespace blink
72 
73 #endif // SVGPathByteStream_h
74