public static string ReadParameterAttribute(string data, ref int offset, StringBuilder builder)
{
if (!MailBnfHelper.SkipCFWS(data, ref offset))
{
return(null);
}
return(MailBnfHelper.ReadToken(data, ref offset, null));
}
private void ParseValue()
{
if (this.parameters == null)
{
int num = 0;
this.parameters = new Dictionary <string, string>();
this.mediaType = MailBnfHelper.ReadToken(base.Value, ref num, null);
if (num >= base.Value.Length || base.Value[num++] != '/')
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new FormatException(SR.GetString("MimeContentTypeHeaderInvalid", new object[0])));
}
this.subType = MailBnfHelper.ReadToken(base.Value, ref num, null);
while (MailBnfHelper.SkipCFWS(base.Value, ref num))
{
if (num >= base.Value.Length || base.Value[num++] != ';')
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new FormatException(SR.GetString("MimeContentTypeHeaderInvalid", new object[0])));
}
if (!MailBnfHelper.SkipCFWS(base.Value, ref num))
{
break;
}
string text = MailBnfHelper.ReadParameterAttribute(base.Value, ref num, null);
if (text == null || num >= base.Value.Length || base.Value[num++] != '=')
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new FormatException(SR.GetString("MimeContentTypeHeaderInvalid", new object[0])));
}
string value = MailBnfHelper.ReadParameterValue(base.Value, ref num, null);
this.parameters.Add(text.ToLowerInvariant(), value);
}
if (this.parameters.ContainsKey(MtomGlobals.StartInfoParam))
{
string text2 = this.parameters[MtomGlobals.StartInfoParam];
int num2 = text2.IndexOf(';');
if (num2 > -1)
{
while (MailBnfHelper.SkipCFWS(text2, ref num2))
{
if (text2[num2] != ';')
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new FormatException(SR.GetString("MimeContentTypeHeaderInvalid", new object[0])));
}
num2++;
string text3 = MailBnfHelper.ReadParameterAttribute(text2, ref num2, null);
if (text3 == null || num2 >= text2.Length || text2[num2++] != '=')
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new FormatException(SR.GetString("MimeContentTypeHeaderInvalid", new object[0])));
}
string value2 = MailBnfHelper.ReadParameterValue(text2, ref num2, null);
if (text3 == MtomGlobals.ActionParam)
{
this.parameters[MtomGlobals.ActionParam] = value2;
}
}
}
}
}
}
public static string ReadParameterValue(string data, ref int offset, StringBuilder builder)
{
if (!MailBnfHelper.SkipCFWS(data, ref offset))
{
return(string.Empty);
}
if (offset < data.Length && data[offset] == '"')
{
return(MailBnfHelper.ReadQuotedString(data, ref offset, builder));
}
return(MailBnfHelper.ReadToken(data, ref offset, builder));
}
private void ParseValue()
{
if (base.Value == "1.0")
{
this.version = "1.0";
return;
}
int num = 0;
if (!MailBnfHelper.SkipCFWS(base.Value, ref num))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new FormatException(SR.GetString("MimeVersionHeaderInvalid", new object[0])));
}
StringBuilder stringBuilder = new StringBuilder();
MailBnfHelper.ReadDigits(base.Value, ref num, stringBuilder);
if (!MailBnfHelper.SkipCFWS(base.Value, ref num) || num >= base.Value.Length || base.Value[num++] != '.' || !MailBnfHelper.SkipCFWS(base.Value, ref num))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new FormatException(SR.GetString("MimeVersionHeaderInvalid", new object[0])));
}
stringBuilder.Append('.');
MailBnfHelper.ReadDigits(base.Value, ref num, stringBuilder);
this.version = stringBuilder.ToString();
}
