Source/core/html/canvas/DataView.h - Issue 1178273002: Remove dead DataView IDL and C++ code

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Issue 1178273002: Remove dead DataView IDL and C++ code (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 5 years, 6 months ago

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1 /*

2 * Copyright (C) 2010 Google Inc. All rights reserved.

3 *

4 * Redistribution and use in source and binary forms, with or without

5 * modification, are permitted provided that the following conditions

6 * are met:

7 *

8 * 1. Redistributions of source code must retain the above copyright

9 * notice, this list of conditions and the following disclaimer.

10 * 2. Redistributions in binary form must reproduce the above copyright

11 * notice, this list of conditions and the following disclaimer in the

12 * documentation and/or other materials provided with the distribution.

13 *

14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY

15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY

18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

24 */

25

26 #ifndef DataView_h

27 #define DataView_h

28

29 #include "wtf/ArrayBufferView.h"

30

31 namespace blink {

32

33 class ExceptionState;

34

35 class DataView final : public ArrayBufferView {

36 public:

37 static PassRefPtr<DataView> create(PassRefPtr<ArrayBuffer>, unsigned byteOff set, unsigned byteLength);

38

39 virtual unsigned byteLength() const override { return m_byteLength; }

40 virtual ViewType type() const override { return TypeDataView; }

41

42 int16_t getInt16(unsigned byteOffset, bool littleEndian, ExceptionState&);

43 uint16_t getUint16(unsigned byteOffset, bool littleEndian, ExceptionState&);

44 int32_t getInt32(unsigned byteOffset, bool littleEndian, ExceptionState&);

45 uint32_t getUint32(unsigned byteOffset, bool littleEndian, ExceptionState&);

46 float getFloat32(unsigned byteOffset, bool littleEndian, ExceptionState&);

47 double getFloat64(unsigned byteOffset, bool littleEndian, ExceptionState&);

48

49 void setInt16(unsigned byteOffset, int16_t value, bool littleEndian, Excepti onState&);

50 void setUint16(unsigned byteOffset, uint16_t value, bool littleEndian, Excep tionState&);

51 void setInt32(unsigned byteOffset, int32_t value, bool littleEndian, Excepti onState&);

52 void setUint32(unsigned byteOffset, uint32_t value, bool littleEndian, Excep tionState&);

53 void setFloat32(unsigned byteOffset, float value, bool littleEndian, Excepti onState&);

54 void setFloat64(unsigned byteOffset, double value, bool littleEndian, Except ionState&);

55

56 protected:

57 virtual void neuter() override;

58

59 private:

60 DataView(PassRefPtr<ArrayBuffer>, unsigned byteOffset, unsigned byteLength);

61

62 template<typename T>

63 bool beyondRange(unsigned byteOffset) const { return byteOffset >= m_byteLen gth \|\| byteOffset + sizeof(T) > m_byteLength; }

64

65 template<typename T>

66 T getData(unsigned byteOffset, bool littleEndian, ExceptionState&) const;

67

68 template<typename T>

69 void setData(unsigned byteOffset, T value, bool littleEndian, ExceptionState &);

70

71 unsigned m_byteLength;

72 };

73

74 } // namespace blink

75

76 #endif // DataView_h

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