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
|
//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel
{
using System.Runtime;
using System.Xml;
static class XmlUtil
{
public const string XmlNs = "http://www.w3.org/XML/1998/namespace";
public const string XmlNsNs = "http://www.w3.org/2000/xmlns/";
public static string GetXmlLangAttribute(XmlReader reader)
{
string xmlLang = null;
if (reader.MoveToAttribute("lang", XmlNs))
{
xmlLang = reader.Value;
reader.MoveToElement();
}
if (xmlLang == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.GetString(SR.XmlLangAttributeMissing)));
return xmlLang;
}
// FIX for 7455
public static bool IsTrue(string booleanValue)
{
if (string.IsNullOrEmpty(booleanValue))
{
return false;
}
return XmlConvert.ToBoolean(booleanValue);
}
public static void ReadContentAsQName(XmlReader reader, out string localName, out string ns)
{
ParseQName(reader, reader.ReadContentAsString(), out localName, out ns);
}
public static bool IsWhitespace(char ch)
{
return (ch == ' ' || ch == '\t' || ch == '\r' || ch == '\n');
}
public static string TrimEnd(string s)
{
int i;
for (i = s.Length; i > 0 && IsWhitespace(s[i - 1]); i--);
if (i != s.Length)
{
return s.Substring(0, i);
}
return s;
}
public static string TrimStart(string s)
{
int i;
for (i = 0; i < s.Length && IsWhitespace(s[i]); i++);
if (i != 0)
{
return s.Substring(i);
}
return s;
}
public static string Trim(string s)
{
int i;
for (i = 0; i < s.Length && IsWhitespace(s[i]); i++);
if (i >= s.Length)
{
return string.Empty;
}
int j;
for (j = s.Length; j > 0 && IsWhitespace(s[j - 1]); j--);
Fx.Assert(j > i, "Logic error in XmlUtil.Trim().");
if (i != 0 || j != s.Length)
{
return s.Substring(i, j - i);
}
return s;
}
public static void ParseQName(XmlReader reader, string qname, out string localName, out string ns)
{
int index = qname.IndexOf(':');
string prefix;
if (index < 0)
{
prefix = "";
localName = TrimStart(TrimEnd(qname));
}
else
{
if (index == qname.Length - 1)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.GetString(SR.InvalidXmlQualifiedName, qname)));
prefix = TrimStart(qname.Substring(0, index));
localName = TrimEnd(qname.Substring(index + 1));
}
ns = reader.LookupNamespace(prefix);
if (ns == null)
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.GetString(SR.UnboundPrefixInQName, qname)));
}
}
}
|
