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1 // FilterCoder.h
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2
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3 #ifndef __FILTERCODER_H
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4 #define __FILTERCODER_H
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5
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6 #include "../../Common/MyCom.h"
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7 #include "../ICoder.h"
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8 #include "../IPassword.h"
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9
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10 #define MY_QUERYINTERFACE_ENTRY_AG(i, sub0, sub) if (iid == IID_ ## i) \
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11 { if (!sub) RINOK(sub0->QueryInterface(IID_ ## i, (void **)&sub)) \
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12 *outObject = (void *)(i *)this; AddRef(); return S_OK; }
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13
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14 class CFilterCoder:
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15 public ICompressCoder,
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16 // #ifdef _ST_MODE
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17 public ICompressSetInStream,
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18 public ISequentialInStream,
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19 public ICompressSetOutStream,
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20 public ISequentialOutStream,
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21 public IOutStreamFlush,
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22 // #endif
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23
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24 #ifndef _NO_CRYPTO
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25 public ICryptoSetPassword,
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26 #endif
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27 #ifndef EXTRACT_ONLY
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28 public ICompressSetCoderProperties,
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29 public ICompressWriteCoderProperties,
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30 // public ICryptoResetSalt,
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31 public ICryptoResetInitVector,
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32 #endif
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33 public ICompressSetDecoderProperties2,
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34 public CMyUnknownImp
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35 {
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36 protected:
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37 Byte *_buffer;
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38 // #ifdef _ST_MODE
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39 CMyComPtr<ISequentialInStream> _inStream;
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40 CMyComPtr<ISequentialOutStream> _outStream;
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41 UInt32 _bufferPos;
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42 UInt32 _convertedPosBegin;
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43 UInt32 _convertedPosEnd;
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44 // #endif
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45 bool _outSizeIsDefined;
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46 UInt64 _outSize;
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47 UInt64 _nowPos64;
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48
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49 HRESULT Init()
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50 {
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51 _nowPos64 = 0;
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52 _outSizeIsDefined = false;
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53 return Filter->Init();
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54 }
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55
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56 CMyComPtr<ICryptoSetPassword> _setPassword;
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57 #ifndef EXTRACT_ONLY
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58 CMyComPtr<ICompressSetCoderProperties> _SetCoderProperties;
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59 CMyComPtr<ICompressWriteCoderProperties> _writeCoderProperties;
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60 // CMyComPtr<ICryptoResetSalt> _CryptoResetSalt;
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61 CMyComPtr<ICryptoResetInitVector> _CryptoResetInitVector;
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62 #endif
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63 CMyComPtr<ICompressSetDecoderProperties2> _setDecoderProperties;
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64 public:
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65 CMyComPtr<ICompressFilter> Filter;
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66
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67 CFilterCoder();
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68 ~CFilterCoder();
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69 HRESULT WriteWithLimit(ISequentialOutStream *outStream, UInt32 size);
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70 bool NeedMore() const
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71 { return (!_outSizeIsDefined || (_nowPos64 < _outSize)); }
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72
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73 public:
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74 MY_QUERYINTERFACE_BEGIN
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75 MY_QUERYINTERFACE_ENTRY(ICompressCoder)
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76 // #ifdef _ST_MODE
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77 MY_QUERYINTERFACE_ENTRY(ICompressSetInStream)
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78 MY_QUERYINTERFACE_ENTRY(ISequentialInStream)
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79
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80 MY_QUERYINTERFACE_ENTRY(ICompressSetOutStream)
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81 MY_QUERYINTERFACE_ENTRY(ISequentialOutStream)
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82 MY_QUERYINTERFACE_ENTRY(IOutStreamFlush)
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83 // #endif
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84
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85 #ifndef _NO_CRYPTO
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86 MY_QUERYINTERFACE_ENTRY_AG(ICryptoSetPassword, Filter, _setPassword)
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87 #endif
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88
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89 #ifndef EXTRACT_ONLY
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90 MY_QUERYINTERFACE_ENTRY_AG(ICompressSetCoderProperties, Filter, _SetCoderProperties)
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91 MY_QUERYINTERFACE_ENTRY_AG(ICompressWriteCoderProperties, Filter, _writeCoderProperties)
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92 // MY_QUERYINTERFACE_ENTRY_AG(ICryptoResetSalt, Filter, _CryptoResetSalt)
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93 MY_QUERYINTERFACE_ENTRY_AG(ICryptoResetInitVector, Filter, _CryptoResetInitVector)
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94 #endif
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95
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96 MY_QUERYINTERFACE_ENTRY_AG(ICompressSetDecoderProperties2, Filter, _setDecoderProperties)
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97 MY_QUERYINTERFACE_END
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98 MY_ADDREF_RELEASE
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99 STDMETHOD(Code)(ISequentialInStream *inStream,
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100 ISequentialOutStream *outStream, const UInt64 *inSize, const UInt64 *outSize,
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101 ICompressProgressInfo *progress);
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102 // #ifdef _ST_MODE
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103 STDMETHOD(ReleaseInStream)();
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104 STDMETHOD(SetInStream)(ISequentialInStream *inStream);
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105 STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize); \
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106 STDMETHOD(SetOutStream)(ISequentialOutStream *outStream);
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107 STDMETHOD(ReleaseOutStream)();
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108 STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize);
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109 STDMETHOD(Flush)();
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110 // #endif
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111
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112 #ifndef _NO_CRYPTO
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113 STDMETHOD(CryptoSetPassword)(const Byte *data, UInt32 size);
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114 #endif
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115 #ifndef EXTRACT_ONLY
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116 STDMETHOD(SetCoderProperties)(const PROPID *propIDs,
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117 const PROPVARIANT *properties, UInt32 numProperties);
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118 STDMETHOD(WriteCoderProperties)(ISequentialOutStream *outStream);
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119 // STDMETHOD(ResetSalt)();
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120 STDMETHOD(ResetInitVector)();
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121 #endif
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122 STDMETHOD(SetDecoderProperties2)(const Byte *data, UInt32 size);
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123 };
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124
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125 // #ifdef _ST_MODE
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126 class CInStreamReleaser
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127 {
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128 public:
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129 CFilterCoder *FilterCoder;
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130 CInStreamReleaser(): FilterCoder(0) {}
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131 ~CInStreamReleaser() { if (FilterCoder) FilterCoder->ReleaseInStream(); }
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132 };
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133
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134 class COutStreamReleaser
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135 {
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136 public:
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137 CFilterCoder *FilterCoder;
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138 COutStreamReleaser(): FilterCoder(0) {}
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139 ~COutStreamReleaser() { if (FilterCoder) FilterCoder->ReleaseOutStream(); }
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140 };
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141 // #endif
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142
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143 #endif
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