-
Notifications
You must be signed in to change notification settings - Fork 0
/
ByteArray.cs
235 lines (216 loc) · 5.51 KB
/
ByteArray.cs
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
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
/*
* ByteArray.cs
*
* Copyright (c) 2001, The HSQL Development Group
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of the HSQL Development Group nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This package is based on HypersonicSQL, originally developed by Thomas Mueller.
*
* C# port by Mark Tutt
*
*/
namespace SharpHSQL
{
using System;
using System.Collections;
using System.IO;
using System.Runtime.Serialization.Formatters.Binary;
/**
* ByteArray class declaration
* <P> This class allows HSQL to store binary data as an array of bytes.
* It contains methods to create and access the data, perform comparisons, etc.
*
* @version 1.0.0.1
*/
class ByteArray
{
private byte[] data;
/**
* ByteArray Constructor declaration
* <P>Converts a string parameter to the array of bytes the ByteArray object
* will contain.
*
* @param s
*/
public ByteArray(string s)
{
data = stringConverter.hexToByte(s);
}
/**
* ByteArray Constructor declaration
* <P>Creates a ByteArray object from an array of bytes.
*
* @param s
*/
public ByteArray(byte []a)
{
data = a;
}
/**
* byteValue method declaration
* <P>Give access to the object's data
*
* @return The array of bytes representing this objects data.
*/
public byte[] byteValue()
{
return data;
}
/**
* compareTo method declaration
* <P>This method compares the object to another ByteArray object.
*
* @param ByteArray object we are comparing against.
*
* @return 0 if objects are the same, non-zero otherwise.
*/
public int compareTo(ByteArray o)
{
int len = data.Length;
int lenb = o.data.Length;
for (int i = 0; ; i++)
{
int a = 0, b = 0;
if (i < len)
{
a = ((int) data[i]) & 0xff;
}
else if (i >= lenb)
{
return 0;
}
if (i < lenb)
{
b = ((int) o.data[i]) & 0xff;
}
if (a > b)
{
return 1;
}
if (b > a)
{
return -1;
}
}
}
/**
* serialize method declaration
* <P>This method serializes an object into an array of bytes.
*
* @param The object to serialize
*
* @return a static byte array representing the passed object
*
* @throws Exception
*/
public static byte[] serialize(object s)
{
try
{
MemoryStream ms = new MemoryStream();
BinaryFormatter b = new BinaryFormatter();
b.Serialize(ms,s);
return ms.ToArray();
}
catch (Exception e)
{
throw Trace.error(Trace.SERIALIZATION_FAILURE, e.Message);
}
}
/**
* serializeTostring method declaration
* <P>This method serializes an object into a string.
*
* @param The object to serialize
*
* @return A string representing the passed object
*
* @throws Exception
*/
public static string serializeTostring(object s)
{
return createstring(serialize(s));
}
/**
* deserialize method declaration
* <P>This method returns the array of bytes stored in the instance of
* ByteArray class as an object instance.
*
* @return deserialized object
*
* @throws Exception
*/
public object deserialize()
{
try
{
MemoryStream ms = new MemoryStream(data);
BinaryFormatter b = new BinaryFormatter();
return b.Deserialize(ms);
}
catch (Exception e)
{
throw Trace.error(Trace.SERIALIZATION_FAILURE, e.Message);
}
}
/**
* createstring method declaration
* <P>This method creates a string from the passed array of bytes.
*
* @param byte array to convert.
*
* @return string representation of the byte array.
*/
static string createstring(byte[] b)
{
return b.ToString();
}
/**
* tostring method declaration
* <P>This method creates a string from the passed array of bytes stored in
* this instance of the ByteArray class.
*
* @return string representation of the ByteArray.
*/
public string tostring()
{
return createstring(data);
}
/**
* hashcode method declaration
* <P>This method returns the hashcode for the data stored in this instance of
* the ByteArray class.
*
* @return
*/
public int hashCode()
{
return data.GetHashCode();
}
}
}