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132
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1 /*******************************************************************************
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2
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3 copyright: Copyright (c) 2004 Kris Bell. All rights reserved
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4
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5 license: BSD style: $(LICENSE)
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6
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7 version: Jan 2007: initial release
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8
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9 author: Kris
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10
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11 *******************************************************************************/
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12
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13 module tango.io.protocol.model.IProtocol;
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14
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15 private import tango.io.model.IBuffer;
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16
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17 /*******************************************************************************
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18
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19 *******************************************************************************/
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20
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21 abstract class IProtocol
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22 {
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23 enum Type
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24 {
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25 Void = 0,
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26 Utf8,
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27 Bool,
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28 Byte,
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29 UByte,
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30 Utf16,
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31 Short,
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32 UShort,
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33 Utf32,
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34 Int,
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35 UInt,
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36 Float,
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37 Long,
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38 ULong,
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39 Double,
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40 Real,
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41 Obj,
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42 Pointer,
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43 }
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44
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45 /***********************************************************************
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46
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47 ***********************************************************************/
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48
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49 alias void delegate (void* src, uint bytes, Type type) Writer;
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50 alias void delegate (void* src, uint bytes, Type type) ArrayWriter;
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51
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52 alias void[] delegate (void* dst, uint bytes, Type type) Reader;
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53 alias void[] delegate (Reader reader, uint bytes, Type type) Allocator;
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54
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55 alias void[] delegate (void* dst, uint bytes, Type type, Allocator) ArrayReader;
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56
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57 /***********************************************************************
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58
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59 ***********************************************************************/
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60
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61 abstract IBuffer buffer ();
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62
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63 /***********************************************************************
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64
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65 ***********************************************************************/
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66
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67 abstract void[] read (void* dst, uint bytes, Type type);
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68
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69 /***********************************************************************
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70
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71 ***********************************************************************/
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72
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73 abstract void write (void* src, uint bytes, Type type);
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74
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75 /***********************************************************************
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76
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77 ***********************************************************************/
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78
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79 abstract void[] readArray (void* dst, uint bytes, Type type, Allocator alloc);
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80
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81 /***********************************************************************
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82
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83 ***********************************************************************/
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84
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85 abstract void writeArray (void* src, uint bytes, Type type);
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86 }
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87
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88
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89 /*******************************************************************************
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90
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91 *******************************************************************************/
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92
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93 abstract class IAllocator
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94 {
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95 /***********************************************************************
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96
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97 ***********************************************************************/
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98
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99 abstract void reset ();
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100
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101 /***********************************************************************
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102
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103 ***********************************************************************/
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104
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105 abstract IProtocol protocol ();
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106
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107 /***********************************************************************
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108
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109 ***********************************************************************/
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110
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111 abstract void[] allocate (IProtocol.Reader, uint bytes, IProtocol.Type);
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112 }
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