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
|
//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel.Channels
{
using System.Xml;
static class ByteStreamMessageUtility
{
public const string StreamElementName = "Binary";
public const string XmlNamespace = "http://www.w3.org/XML/1998/namespace";
public const string XmlNamespaceNamespace = "http://www.w3.org/2000/xmlns/";
// used when doing message tracing
internal const string EncoderName = "ByteStreamMessageEncoder";
internal static void EnsureByteBoundaries(byte[] buffer, int index, int count, bool isRead)
{
if (buffer == null)
{
throw FxTrace.Exception.ArgumentNull("buffer");
}
if (index < 0)
{
throw FxTrace.Exception.ArgumentOutOfRange("index", index, SR.ArgumentOutOfMinRange(0));
}
// we explicitly allow the case for index = 0, buffer.Length = 0 and count = 0 when it is write
// Note that we rely on the last check of count > buffer.Length - index to cover count > 0 && index == buffer.Length case
if (index > buffer.Length || (isRead && index == buffer.Length))
{
throw FxTrace.Exception.ArgumentOutOfRange("index", index, SR.OffsetExceedsBufferSize(buffer.Length));
}
if (count < 0)
{
throw FxTrace.Exception.ArgumentOutOfRange("count", count, SR.ArgumentOutOfMinRange(0));
}
if (count > buffer.Length - index)
{
throw FxTrace.Exception.ArgumentOutOfRange("count", count, SR.SizeExceedsRemainingBufferSpace(buffer.Length - index));
}
}
internal static XmlDictionaryReaderQuotas EnsureQuotas(XmlDictionaryReaderQuotas quotas)
{
return quotas ?? EncoderDefaults.ReaderQuotas;
}
}
}
|
