void ParseValue()
{
int offset = 0;
try
{
// the disposition MUST be the first parameter in the string
dispositionType = MailBnfHelper.ReadToken(disposition, ref offset, null);
// disposition MUST not be empty
if (String.IsNullOrEmpty(dispositionType))
{
throw new FormatException(SR.GetString(SR.MailHeaderFieldMalformedHeader));
}
// now we know that there are parameters so we must initialize or clear
// and parse
if (parameters == null)
{
parameters = new TrackingValidationObjectDictionary(validators);
}
else
{
parameters.Clear();
}
while (MailBnfHelper.SkipCFWS(disposition, ref offset))
{
// ensure that the separator charactor is present
if (disposition[offset++] != ';')
throw new FormatException(SR.GetString(SR.MailHeaderFieldInvalidCharacter, disposition[offset-1]));
// skip whitespace and see if there's anything left to parse or if we're done
if (!MailBnfHelper.SkipCFWS(disposition, ref offset))
break;
string paramAttribute = MailBnfHelper.ReadParameterAttribute(disposition, ref offset, null);
string paramValue;
// verify the next character after the parameter is correct
if (disposition[offset++] != '=')
{
throw new FormatException(SR.GetString(SR.MailHeaderFieldMalformedHeader));
}
if (!MailBnfHelper.SkipCFWS(disposition, ref offset))
{
// parameter was at end of string and has no value
// this is not valid
throw new FormatException(SR.GetString(SR.ContentDispositionInvalid));
}
if (disposition[offset] == '"')
{
paramValue = MailBnfHelper.ReadQuotedString(disposition, ref offset, null);
}
else
{
paramValue = MailBnfHelper.ReadToken(disposition, ref offset, null);
}
// paramValue could potentially still be empty if it was a valid quoted string that
// contained no inner value. this is invalid
if (String.IsNullOrEmpty(paramAttribute) || string.IsNullOrEmpty(paramValue))
{
throw new FormatException(SR.GetString(SR.ContentDispositionInvalid));
}
// if validation is needed, the parameters dictionary will have a validator registered
// for the parameter that is being set so no additional formatting checks are needed here
Parameters.Add(paramAttribute, paramValue);
}
}
catch (FormatException exception)
{
// it's possible that something in MailBNFHelper could throw so ensure that we catch it and wrap it
// so that the exception has the correct text
throw new FormatException(SR.GetString(SR.ContentDispositionInvalid), exception);
}
parameters.IsChanged = false;
}
private void ParseValue()
{
int offset = 0;
try
{
this.dispositionType = MailBnfHelper.ReadToken(this.disposition, ref offset, null);
if (string.IsNullOrEmpty(this.dispositionType))
{
throw new FormatException(SR.GetString("MailHeaderFieldMalformedHeader"));
}
if (this.parameters == null)
{
this.parameters = new TrackingValidationObjectDictionary(validators);
}
else
{
this.parameters.Clear();
}
while (MailBnfHelper.SkipCFWS(this.disposition, ref offset))
{
string str2;
if (this.disposition[offset++] != ';')
{
throw new FormatException(SR.GetString("MailHeaderFieldInvalidCharacter", new object[] { this.disposition[offset - 1] }));
}
if (!MailBnfHelper.SkipCFWS(this.disposition, ref offset))
{
goto Label_018C;
}
string str = MailBnfHelper.ReadParameterAttribute(this.disposition, ref offset, null);
if (this.disposition[offset++] != '=')
{
throw new FormatException(SR.GetString("MailHeaderFieldMalformedHeader"));
}
if (!MailBnfHelper.SkipCFWS(this.disposition, ref offset))
{
throw new FormatException(SR.GetString("ContentDispositionInvalid"));
}
if (this.disposition[offset] == '"')
{
str2 = MailBnfHelper.ReadQuotedString(this.disposition, ref offset, null);
}
else
{
str2 = MailBnfHelper.ReadToken(this.disposition, ref offset, null);
}
if (string.IsNullOrEmpty(str) || string.IsNullOrEmpty(str2))
{
throw new FormatException(SR.GetString("ContentDispositionInvalid"));
}
this.Parameters.Add(str, str2);
}
}
catch (FormatException exception)
{
throw new FormatException(SR.GetString("ContentDispositionInvalid"), exception);
}
Label_018C:
this.parameters.IsChanged = false;
}
private void ParseValue()
{
int offset = 0;
try
{
// the disposition MUST be the first parameter in the string
_dispositionType = MailBnfHelper.ReadToken(_disposition, ref offset, null);
// disposition MUST not be empty
if (string.IsNullOrEmpty(_dispositionType))
{
throw new FormatException(Strings.MailHeaderFieldMalformedHeader);
}
// now we know that there are parameters so we must initialize or clear
// and parse
if (_parameters == null)
{
_parameters = new TrackingValidationObjectDictionary(s_validators);
}
else
{
_parameters.Clear();
}
while (MailBnfHelper.SkipCFWS(_disposition, ref offset))
{
// ensure that the separator charactor is present
if (_disposition[offset++] != ';')
{
throw new FormatException(string.Format(Strings.MailHeaderFieldInvalidCharacter, _disposition[offset - 1]));
}
// skip whitespace and see if there's anything left to parse or if we're done
if (!MailBnfHelper.SkipCFWS(_disposition, ref offset))
{
break;
}
string paramAttribute = MailBnfHelper.ReadParameterAttribute(_disposition, ref offset, null);
string paramValue;
// verify the next character after the parameter is correct
if (_disposition[offset++] != '=')
{
throw new FormatException(Strings.MailHeaderFieldMalformedHeader);
}
if (!MailBnfHelper.SkipCFWS(_disposition, ref offset))
{
// parameter was at end of string and has no value
// this is not valid
throw new FormatException(Strings.ContentDispositionInvalid);
}
paramValue = _disposition[offset] == '"' ?
MailBnfHelper.ReadQuotedString(_disposition, ref offset, null) :
MailBnfHelper.ReadToken(_disposition, ref offset, null);
// paramValue could potentially still be empty if it was a valid quoted string that
// contained no inner value. this is invalid
if (string.IsNullOrEmpty(paramAttribute) || string.IsNullOrEmpty(paramValue))
{
throw new FormatException(Strings.ContentDispositionInvalid);
}
// if validation is needed, the parameters dictionary will have a validator registered
// for the parameter that is being set so no additional formatting checks are needed here
Parameters.Add(paramAttribute, paramValue);
}
}
catch (FormatException exception)
{
// it's possible that something in MailBNFHelper could throw so ensure that we catch it and wrap it
// so that the exception has the correct text
throw new FormatException(Strings.ContentDispositionInvalid, exception);
}
_parameters.IsChanged = false;
}
