public static ImapData CreateListData(ImapData[] list)
{
if (list == null)
throw new ArgumentNullException("list");
// 4.4. Parenthesized List
var data = new ImapData(ImapDataFormat.List);
data.list = list;
return data;
}
internal ImapResponseText(ImapResponseCode code, ImapData[] arguments, string text)
{
if (code == null)
throw new ArgumentNullException("code");
if (arguments == null)
throw new ArgumentNullException("arguments");
if (text == null)
throw new ArgumentNullException("text");
this.Code = code;
this.Arguments = arguments;
this.Text = text;
}
public ImapExtendedMessageRfc822BodyStructure(ImapMessageRfc822BodyStructure baseStructure,
string md5,
ImapBodyDisposition disposition,
string[] languages,
Uri location,
ImapData[] extensions)
: base(baseStructure)
{
this.MD5 = md5;
this.Disposition = disposition;
this.Languages = languages;
this.Location = location;
this.Extensions = extensions;
}
public ImapExtendedMultiPartBodyStructure(ImapMultiPartBodyStructure baseStructure,
IDictionary<string, string> parameters,
ImapBodyDisposition disposition,
string[] languages,
Uri location,
ImapData[] extensions)
: base(baseStructure)
{
this.Parameters = (parameters ?? new Dictionary<string, string>()).AsReadOnly(StringComparer.OrdinalIgnoreCase);
this.Disposition = disposition;
this.Languages = languages;
this.Location = location;
this.Extensions = extensions;
}
internal void SetContentData(string specifier, ImapData bodyText)
{
bodyData[specifier] = bodyText;
}
public static ImapData CreateTextData(ByteString text)
{
if (text == null)
throw new ArgumentNullException("text");
// 4.1. Atom, 4.2. Number, 4.3. String
var data = new ImapData(ImapDataFormat.Text);
data.text = text;
return data;
}
public void AddData(ImapData data)
{
nestedData[nest].Add(data);
}
private bool ParseLiteral(bool literal8, ByteString line, ref int index, out ImapData parsed)
{
// literal = "{" number "}" CRLF *CHAR8
// ; Number represents the number of CHAR8s
// CHAR8 = %x01-ff ; any OCTET except NUL, %x00
// number = 1*DIGIT
// ; Unsigned 32-bit integer
// ; (0 <= n < 4,294,967,296)
var bytes = line.ByteArray;
if (literal8) {
/*
* RFC 3516 - IMAP4 Binary Content Extension
* http://tools.ietf.org/html/rfc3516
* 4.2. FETCH Command Extensions
* literal8 = "~{" number "}" CRLF *OCTET
* ; <number> represents the number of OCTETs
* ; in the response string.
*/
if (bytes[index + 1] != ImapOctets.OpenBrace) {
// not literal8
parsed = ImapData.CreateTextData(ParseNonQuotedString(line, ref index));
return false;
}
index++; // '~'
}
index++; // '{'
var number = 0L;
for (;;) {
var num = bytes[index] - 0x30; // '0'
if (0 <= num && num <= 9)
// number
number = checked((number * 10L) + num);
else if (bytes[index] == ImapOctets.CloseBrace)
break; // '}'
else
throw new ImapMalformedDataException("malformed literal (invalid number)");
index++;
}
if (bytes.Length - ++index != 2/*CRLF*/)
throw new ImapMalformedDataException("malformed literal (extra data before CRLF)");
/*
* to avoid allocating buffers on Large Object Heap
*
* http://msdn.microsoft.com/en-us/magazine/cc534993.aspx
* http://tirania.org/blog/archive/2009/Nov-09.html
*/
const long literalAllocationThreshold = 40960L; // 40kBytes
if (number <= literalAllocationThreshold) {
var literal = new byte[number];
if (stream.Read(literal, 0, (int)number) != literal.Length)
throw new ImapMalformedDataException("unexpected EOF");
parsed = ImapData.CreateTextData(new ByteString(literal));
}
else {
var literal = new ChunkedMemoryStream();
if (stream.Read(literal, number) != number)
throw new ImapMalformedDataException("unexpected EOF");
literal.Position = 0L;
parsed = ImapData.CreateTextData(literal);
}
return true;
}
public ImapMalformedDataException(string message, ImapData causedData)
: base(string.Format("{0}{1}data: {2}", message, Environment.NewLine, causedData))
{
this.causedData = causedData;
}
public ImapMalformedDataException(ImapData causedData)
: this("invalid format", causedData)
{
}