1 // ICoder.h 2 3 using System; 4 5 namespace SevenZip 6 { 7 /// <summary> 8 /// The exception that is thrown when an error in input stream occurs during decoding. 9 /// </summary> 10 class DataErrorException : ApplicationException 11 { 12 public DataErrorException(): base("Data Error") { } 13 } 14 15 /// <summary> 16 /// The exception that is thrown when the value of an argument is outside the allowable range. 17 /// </summary> 18 class InvalidParamException : ApplicationException 19 { 20 public InvalidParamException(): base("Invalid Parameter") { } 21 } 22 23 public interface ICodeProgress 24 { 25 /// <summary> 26 /// Callback progress. 27 /// </summary> 28 /// <param name="inSize"> 29 /// input size. -1 if unknown. 30 /// </param> 31 /// <param name="outSize"> 32 /// output size. -1 if unknown. 33 /// </param> 34 void SetProgress(Int64 inSize, Int64 outSize); 35 }; 36 37 public interface ICoder 38 { 39 /// <summary> 40 /// Codes streams. 41 /// </summary> 42 /// <param name="inStream"> 43 /// input Stream. 44 /// </param> 45 /// <param name="outStream"> 46 /// output Stream. 47 /// </param> 48 /// <param name="inSize"> 49 /// input Size. -1 if unknown. 50 /// </param> 51 /// <param name="outSize"> 52 /// output Size. -1 if unknown. 53 /// </param> 54 /// <param name="progress"> 55 /// callback progress reference. 56 /// </param> 57 /// <exception cref="SevenZip.DataErrorException"> 58 /// if input stream is not valid 59 /// </exception> 60 void Code(System.IO.Stream inStream, System.IO.Stream outStream, 61 Int64 inSize, Int64 outSize, ICodeProgress progress); 62 }; 63 64 /* 65 public interface ICoder2 66 { 67 void Code(ISequentialInStream []inStreams, 68 const UInt64 []inSizes, 69 ISequentialOutStream []outStreams, 70 UInt64 []outSizes, 71 ICodeProgress progress); 72 }; 73 */ 74 75 /// <summary> 76 /// Provides the fields that represent properties idenitifiers for compressing. 77 /// </summary> 78 public enum CoderPropID 79 { 80 /// <summary> 81 /// Specifies default property. 82 /// </summary> 83 DefaultProp = 0, 84 /// <summary> 85 /// Specifies size of dictionary. 86 /// </summary> 87 DictionarySize, 88 /// <summary> 89 /// Specifies size of memory for PPM*. 90 /// </summary> 91 UsedMemorySize, 92 /// <summary> 93 /// Specifies order for PPM methods. 94 /// </summary> 95 Order, 96 /// <summary> 97 /// Specifies Block Size. 98 /// </summary> 99 BlockSize, 100 /// <summary> 101 /// Specifies number of postion state bits for LZMA (0 <= x <= 4). 102 /// </summary> 103 PosStateBits, 104 /// <summary> 105 /// Specifies number of literal context bits for LZMA (0 <= x <= 8). 106 /// </summary> 107 LitContextBits, 108 /// <summary> 109 /// Specifies number of literal position bits for LZMA (0 <= x <= 4). 110 /// </summary> 111 LitPosBits, 112 /// <summary> 113 /// Specifies number of fast bytes for LZ*. 114 /// </summary> 115 NumFastBytes, 116 /// <summary> 117 /// Specifies match finder. LZMA: "BT2", "BT4" or "BT4B". 118 /// </summary> 119 MatchFinder, 120 /// <summary> 121 /// Specifies the number of match finder cyckes. 122 /// </summary> 123 MatchFinderCycles, 124 /// <summary> 125 /// Specifies number of passes. 126 /// </summary> 127 NumPasses, 128 /// <summary> 129 /// Specifies number of algorithm. 130 /// </summary> 131 Algorithm, 132 /// <summary> 133 /// Specifies the number of threads. 134 /// </summary> 135 NumThreads, 136 /// <summary> 137 /// Specifies mode with end marker. 138 /// </summary> 139 EndMarker 140 }; 141 142 143 public interface ISetCoderProperties 144 { 145 void SetCoderProperties(CoderPropID[] propIDs, object[] properties); 146 }; 147 148 public interface IWriteCoderProperties 149 { 150 void WriteCoderProperties(System.IO.Stream outStream); 151 } 152 153 public interface ISetDecoderProperties 154 { 155 void SetDecoderProperties(byte[] properties); 156 } 157 } 158
