4 // Lluis Sanchez Gual (lluis@ideary.com)
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6 // (C) 2003 Lluis Sanchez Gual
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9 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
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11 // Permission is hereby granted, free of charge, to any person obtaining
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12 // a copy of this software and associated documentation files (the
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13 // "Software"), to deal in the Software without restriction, including
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14 // without limitation the rights to use, copy, modify, merge, publish,
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15 // distribute, sublicense, and/or sell copies of the Software, and to
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16 // permit persons to whom the Software is furnished to do so, subject to
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17 // the following conditions:
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19 // The above copyright notice and this permission notice shall be
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20 // included in all copies or substantial portions of the Software.
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22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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33 namespace System.Runtime.Serialization.Formatters.Binary
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35 internal class BinaryCommon
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37 // Header present in all binary serializations
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38 public static byte[] BinaryHeader = new Byte[] {0,1,0,0,0,255,255,255,255,1,0,0,0,0,0,0,0};
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40 static Type[] _typeCodesToType;
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41 static byte[] _typeCodeMap;
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42 public static bool UseReflectionSerialization = false;
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44 static BinaryCommon()
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46 _typeCodesToType = new Type [19];
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47 _typeCodesToType[(int)BinaryTypeCode.Boolean] = typeof (Boolean);
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48 _typeCodesToType[(int)BinaryTypeCode.Byte] = typeof (Byte);
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49 _typeCodesToType[(int)BinaryTypeCode.Char] = typeof (Char);
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50 _typeCodesToType[(int)BinaryTypeCode.TimeSpan] = typeof (TimeSpan);
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51 _typeCodesToType[(int)BinaryTypeCode.DateTime] = typeof (DateTime);
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52 _typeCodesToType[(int)BinaryTypeCode.Decimal] = typeof (Decimal);
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53 _typeCodesToType[(int)BinaryTypeCode.Double] = typeof (Double);
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54 _typeCodesToType[(int)BinaryTypeCode.Int16] = typeof (Int16);
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55 _typeCodesToType[(int)BinaryTypeCode.Int32] = typeof (Int32);
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56 _typeCodesToType[(int)BinaryTypeCode.Int64] = typeof (Int64);
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57 _typeCodesToType[(int)BinaryTypeCode.SByte] = typeof (SByte);
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58 _typeCodesToType[(int)BinaryTypeCode.Single] = typeof (Single);
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59 _typeCodesToType[(int)BinaryTypeCode.UInt16] = typeof (UInt16);
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60 _typeCodesToType[(int)BinaryTypeCode.UInt32] = typeof (UInt32);
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61 _typeCodesToType[(int)BinaryTypeCode.UInt64] = typeof (UInt64);
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62 _typeCodesToType[(int)BinaryTypeCode.Null] = null;
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63 _typeCodesToType[(int)BinaryTypeCode.String] = typeof (string);
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65 _typeCodeMap = new byte[30];
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66 _typeCodeMap[(int)TypeCode.Boolean] = (byte) BinaryTypeCode.Boolean;
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67 _typeCodeMap[(int)TypeCode.Byte] = (byte) BinaryTypeCode.Byte;
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68 _typeCodeMap[(int)TypeCode.Char] = (byte) BinaryTypeCode.Char;
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69 _typeCodeMap[(int)TypeCode.DateTime] = (byte) BinaryTypeCode.DateTime;
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70 _typeCodeMap[(int)TypeCode.Decimal] = (byte) BinaryTypeCode.Decimal;
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71 _typeCodeMap[(int)TypeCode.Double] = (byte) BinaryTypeCode.Double;
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72 _typeCodeMap[(int)TypeCode.Int16] = (byte) BinaryTypeCode.Int16;
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73 _typeCodeMap[(int)TypeCode.Int32] = (byte) BinaryTypeCode.Int32;
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74 _typeCodeMap[(int)TypeCode.Int64] = (byte) BinaryTypeCode.Int64;
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75 _typeCodeMap[(int)TypeCode.SByte] = (byte) BinaryTypeCode.SByte;
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76 _typeCodeMap[(int)TypeCode.Single] = (byte) BinaryTypeCode.Single;
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77 _typeCodeMap[(int)TypeCode.UInt16] = (byte) BinaryTypeCode.UInt16;
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78 _typeCodeMap[(int)TypeCode.UInt32] = (byte) BinaryTypeCode.UInt32;
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79 _typeCodeMap[(int)TypeCode.UInt64] = (byte) BinaryTypeCode.UInt64;
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80 _typeCodeMap[(int)TypeCode.String] = (byte) BinaryTypeCode.String;
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82 // TimeStamp does not have a TypeCode, so it is managed as a special
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83 // case in GetTypeCode()
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85 // This environment variable is only for test and benchmarking pourposes.
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86 // By default, mono will always use IL generated class serializers.
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87 string s = Environment.GetEnvironmentVariable("MONO_REFLECTION_SERIALIZER");
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88 if (s == null) s = "no";
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89 UseReflectionSerialization = (s != "no");
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92 public static bool IsPrimitive (Type type)
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94 return (type.IsPrimitive && type != typeof (IntPtr)) ||
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95 type == typeof (DateTime) ||
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96 type == typeof (TimeSpan) ||
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97 type == typeof (Decimal);
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100 public static byte GetTypeCode (Type type)
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102 if (type == typeof(TimeSpan)) return (byte) BinaryTypeCode.TimeSpan;
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103 else return _typeCodeMap [(int)Type.GetTypeCode(type)];
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106 public static Type GetTypeFromCode (int code)
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108 return _typeCodesToType [code];
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111 public static void CheckSerializable (Type type, ISurrogateSelector selector, StreamingContext context)
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113 if (!type.IsSerializable && !type.IsInterface)
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115 if (selector != null && selector.GetSurrogate (type, context, out selector) != null)
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118 throw new SerializationException ("Type " + type + " is not marked as Serializable.");
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122 public static void SwapBytes (byte[] byteArray, int size, int dataSize)
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125 if (dataSize == 8) {
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126 for (int n=0; n<size; n+=8) {
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127 b = byteArray [n]; byteArray [n] = byteArray [n + 7]; byteArray [n + 7] = b;
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128 b = byteArray [n+1]; byteArray [n+1] = byteArray [n + 6]; byteArray [n + 6] = b;
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129 b = byteArray [n+2]; byteArray [n+2] = byteArray [n + 5]; byteArray [n + 5] = b;
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130 b = byteArray [n+3]; byteArray [n+3] = byteArray [n + 4]; byteArray [n + 4] = b;
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132 } else if (dataSize == 4) {
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133 for (int n=0; n<size; n+=4) {
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134 b = byteArray [n]; byteArray [n] = byteArray [n + 3]; byteArray [n + 3] = b;
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135 b = byteArray [n+1]; byteArray [n+1] = byteArray [n + 2]; byteArray [n + 2] = b;
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137 } else if (dataSize == 2) {
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138 for (int n=0; n<size; n+=2) {
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139 b = byteArray [n]; byteArray [n] = byteArray [n + 1]; byteArray [n + 1] = b;
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145 internal enum BinaryElement : byte
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149 UntypedRuntimeObject = 2,
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150 UntypedExternalObject = 3,
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152 ExternalObject = 5,
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155 BoxedPrimitiveTypeValue = 8,
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156 ObjectReference = 9,
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160 ArrayFiller8b = 13,
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161 ArrayFiller32b = 14,
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162 ArrayOfPrimitiveType = 15,
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163 ArrayOfObject = 16,
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164 ArrayOfString = 17,
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169 MethodResponse = 22
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172 internal enum TypeTag : byte
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181 ArrayOfPrimitiveType = 7
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184 internal enum ArrayStructure : byte
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186 SingleDimensional = 0,
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188 MultiDimensional = 2
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191 internal enum MethodFlags : byte
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194 PrimitiveArguments = 2,
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195 ArgumentsInSimpleArray = 4,
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196 ArgumentsInMultiArray = 8,
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197 ExcludeLogicalCallContext = 16,
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198 IncludesLogicalCallContext = 64,
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199 IncludesSignature = 128,
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202 NeedsInfoArrayMask = 4 + 8 + 64 + 128
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205 internal enum ReturnTypeTag : byte
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213 enum BinaryTypeCode : byte
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