1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
//Copyright 2010 Microsoft Corporation
//
//Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
//You may obtain a copy of the License at
//
//http://www.apache.org/licenses/LICENSE-2.0
//
//Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an
//"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//See the License for the specific language governing permissions and limitations under the License.
namespace System.Data.Services.Parsing
{
using System;
using System.Diagnostics;
using System.Text;
using System.Xml;
using System.Data.Services.Client;
internal static class WebConvert
{
private const string HexValues = "0123456789ABCDEF";
private const string XmlHexEncodePrefix = "0x";
internal static string ConvertByteArrayToKeyString(byte[] byteArray)
{
StringBuilder hexBuilder = new StringBuilder(3 + byteArray.Length * 2);
hexBuilder.Append(XmlConstants.XmlBinaryPrefix);
hexBuilder.Append("'");
for (int i = 0; i < byteArray.Length; i++)
{
hexBuilder.Append(HexValues[byteArray[i] >> 4]);
hexBuilder.Append(HexValues[byteArray[i] & 0x0F]);
}
hexBuilder.Append("'");
return hexBuilder.ToString();
}
internal static bool IsKeyTypeQuoted(Type type)
{
Debug.Assert(type != null, "type != null");
return type == typeof(System.Xml.Linq.XElement) || type == typeof(string);
}
internal static bool TryKeyPrimitiveToString(object value, out string result)
{
Debug.Assert(value != null, "value != null");
if (value.GetType() == typeof(byte[]))
{
result = ConvertByteArrayToKeyString((byte[])value);
}
else
{
if (!TryXmlPrimitiveToString(value, out result))
{
return false;
}
Debug.Assert(result != null, "result != null");
if (value.GetType() == typeof(DateTime))
{
result = XmlConstants.LiteralPrefixDateTime + "'" + result + "'";
}
else if (value.GetType() == typeof(Decimal))
{
result = result + XmlConstants.XmlDecimalLiteralSuffix;
}
else if (value.GetType() == typeof(Guid))
{
result = XmlConstants.LiteralPrefixGuid + "'" + result + "'";
}
else if (value.GetType() == typeof(Int64))
{
result = result + XmlConstants.XmlInt64LiteralSuffix;
}
else if (value.GetType() == typeof(Single))
{
result = result + XmlConstants.XmlSingleLiteralSuffix;
}
else if (value.GetType() == typeof(double))
{
result = AppendDecimalMarkerToDouble(result);
}
else if (IsKeyTypeQuoted(value.GetType()))
{
result = "'" + result.Replace("'", "''") + "'";
}
}
return true;
}
internal static bool TryXmlPrimitiveToString(object value, out string result)
{
Debug.Assert(value != null, "value != null");
result = null;
Type valueType = value.GetType();
valueType = Nullable.GetUnderlyingType(valueType) ?? valueType;
if (typeof(String) == valueType)
{
result = (string)value;
}
else if (typeof(Boolean) == valueType)
{
result = XmlConvert.ToString((bool)value);
}
else if (typeof(Byte) == valueType)
{
result = XmlConvert.ToString((byte)value);
}
else if (typeof(DateTime) == valueType)
{
result = XmlConvert.ToString((DateTime)value, XmlDateTimeSerializationMode.RoundtripKind);
}
else if (typeof(Decimal) == valueType)
{
result = XmlConvert.ToString((decimal)value);
}
else if (typeof(Double) == valueType)
{
result = XmlConvert.ToString((double)value);
}
else if (typeof(Guid) == valueType)
{
result = value.ToString();
}
else if (typeof(Int16) == valueType)
{
result = XmlConvert.ToString((Int16)value);
}
else if (typeof(Int32) == valueType)
{
result = XmlConvert.ToString((Int32)value);
}
else if (typeof(Int64) == valueType)
{
result = XmlConvert.ToString((Int64)value);
}
else if (typeof(SByte) == valueType)
{
result = XmlConvert.ToString((SByte)value);
}
else if (typeof(Single) == valueType)
{
result = XmlConvert.ToString((Single)value);
}
else if (typeof(byte[]) == valueType)
{
byte[] byteArray = (byte[])value;
result = Convert.ToBase64String(byteArray);
}
#if !ASTORIA_LIGHT
else if (ClientConvert.IsBinaryValue(value))
{
return ClientConvert.TryKeyBinaryToString(value, out result);
}
#endif
else if (typeof(System.Xml.Linq.XElement) == valueType)
{
result = ((System.Xml.Linq.XElement)value).ToString(System.Xml.Linq.SaveOptions.None);
}
else
{
result = null;
return false;
}
Debug.Assert(result != null, "result != null");
return true;
}
private static string AppendDecimalMarkerToDouble(string input)
{
foreach (char c in input)
{
if (!Char.IsDigit(c))
{
return input;
}
}
return input + ".0";
}
}
}
|
