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// <copyright>
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
namespace System.ServiceModel.Channels
{
using System.ComponentModel;
using System.Runtime;
using System.Runtime.Serialization;
using System.ServiceModel.Configuration;
using System.Xml;
internal static class EncoderHelpers
{
internal static XmlDictionaryReaderQuotas GetBufferedReadQuotas(XmlDictionaryReaderQuotas encoderQuotas)
{
XmlDictionaryReaderQuotas bufferedReadQuotas = new XmlDictionaryReaderQuotas();
encoderQuotas.CopyTo(bufferedReadQuotas);
// now we have the quotas from the encoder, we need to update the values with the new quotas from the default read quotas.
if (IsDefaultQuota(bufferedReadQuotas, XmlDictionaryReaderQuotaTypes.MaxStringContentLength))
{
bufferedReadQuotas.MaxStringContentLength = EncoderDefaults.BufferedReadDefaultMaxStringContentLength;
}
if (IsDefaultQuota(bufferedReadQuotas, XmlDictionaryReaderQuotaTypes.MaxArrayLength))
{
bufferedReadQuotas.MaxArrayLength = EncoderDefaults.BufferedReadDefaultMaxArrayLength;
}
if (IsDefaultQuota(bufferedReadQuotas, XmlDictionaryReaderQuotaTypes.MaxBytesPerRead))
{
bufferedReadQuotas.MaxBytesPerRead = EncoderDefaults.BufferedReadDefaultMaxBytesPerRead;
}
if (IsDefaultQuota(bufferedReadQuotas, XmlDictionaryReaderQuotaTypes.MaxNameTableCharCount))
{
bufferedReadQuotas.MaxNameTableCharCount = EncoderDefaults.BufferedReadDefaultMaxNameTableCharCount;
}
if (IsDefaultQuota(bufferedReadQuotas, XmlDictionaryReaderQuotaTypes.MaxDepth))
{
bufferedReadQuotas.MaxDepth = EncoderDefaults.BufferedReadDefaultMaxDepth;
}
return bufferedReadQuotas;
}
private static bool IsDefaultQuota(XmlDictionaryReaderQuotas quotas, XmlDictionaryReaderQuotaTypes quotaType)
{
switch (quotaType)
{
case XmlDictionaryReaderQuotaTypes.MaxDepth:
case XmlDictionaryReaderQuotaTypes.MaxStringContentLength:
case XmlDictionaryReaderQuotaTypes.MaxArrayLength:
case XmlDictionaryReaderQuotaTypes.MaxBytesPerRead:
case XmlDictionaryReaderQuotaTypes.MaxNameTableCharCount:
return (quotas.ModifiedQuotas & quotaType) == 0x00;
}
Fx.Assert("invalid quota type.");
return false;
}
}
}
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