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
|
//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel
{
using System.Xml;
using System.Collections.Generic;
class ServiceModelDictionary : IXmlDictionary
{
static public readonly ServiceModelDictionary Version1 = new ServiceModelDictionary(new ServiceModelStringsVersion1());
ServiceModelStrings strings;
int count;
XmlDictionaryString[] dictionaryStrings1;
XmlDictionaryString[] dictionaryStrings2;
Dictionary<string, int> dictionary;
XmlDictionaryString[] versionedDictionaryStrings;
public ServiceModelDictionary(ServiceModelStrings strings)
{
this.strings = strings;
this.count = strings.Count;
}
static public ServiceModelDictionary CurrentVersion
{
get
{
return Version1;
}
}
public XmlDictionaryString CreateString(string value, int key)
{
return new XmlDictionaryString(this, value, key);
}
public bool TryLookup(string key, out XmlDictionaryString value)
{
if (key == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("key"));
if (this.dictionary == null)
{
Dictionary<string, int> dictionary = new Dictionary<string, int>(count);
for (int i = 0; i < count; i++)
dictionary.Add(strings[i], i);
this.dictionary = dictionary;
}
int id;
if (this.dictionary.TryGetValue(key, out id))
return TryLookup(id, out value);
value = null;
return false;
}
public bool TryLookup(int key, out XmlDictionaryString value)
{
const int keyThreshold = 32;
if (key < 0 || key >= count)
{
value = null;
return false;
}
XmlDictionaryString s;
if (key < keyThreshold)
{
if (dictionaryStrings1 == null)
dictionaryStrings1 = new XmlDictionaryString[keyThreshold];
s = dictionaryStrings1[key];
if (s == null)
{
s = CreateString(strings[key], key);
dictionaryStrings1[key] = s;
}
}
else
{
if (dictionaryStrings2 == null)
dictionaryStrings2 = new XmlDictionaryString[count - keyThreshold];
s = dictionaryStrings2[key - keyThreshold];
if (s == null)
{
s = CreateString(strings[key], key);
dictionaryStrings2[key - keyThreshold] = s;
}
}
value = s;
return true;
}
public bool TryLookup(XmlDictionaryString key, out XmlDictionaryString value)
{
if (key == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("key"));
if (key.Dictionary == this)
{
value = key;
return true;
}
if (key.Dictionary == CurrentVersion)
{
if (versionedDictionaryStrings == null)
versionedDictionaryStrings = new XmlDictionaryString[CurrentVersion.count];
XmlDictionaryString s = versionedDictionaryStrings[key.Key];
if (s == null)
{
if (!TryLookup(key.Value, out s))
{
value = null;
return false;
}
versionedDictionaryStrings[key.Key] = s;
}
value = s;
return true;
}
value = null;
return false;
}
}
}
|
