public ArrayList GetArticleList(int low, int high)
{
if (this.connectedServer == null)
{
throw new NntpException("No connecting newsserver.");
}
if (this.connectedGroup == null)
{
throw new NntpException("No connecting newsgroup.");
}
Response res = MakeRequest("XOVER " + low + "-" + high);
if (res.Code != 224)
{
throw new NntpException(res.Code, res.Request);
}
ArrayList list = new ArrayList();
Article article = null;
string[] values = null;
int i;
string response = null;
while ((response = sr.ReadLine()) != null && response != ".")
{
try
{
article = new Article();
article.Header = new ArticleHeader();
values = response.Split('\t');
article.ArticleId = int.Parse(values[0]);
article.Header.Subject = NntpUtil.Base64HeaderDecode(values[1]);
article.Header.From = NntpUtil.Base64HeaderDecode(values[2]);
i = values[3].IndexOf(',');
article.Header.Date = DateTime.Parse(values[3].Substring(i + 1, values[3].Length - 7 - i));
article.MessageId = values[4];
if (values[5].Trim().Length == 0)
{
article.Header.ReferenceIds = new string[0];
}
else
{
article.Header.ReferenceIds = values[5].Split(' ');
}
if (values.Length < 8 || values[7] == null || values[7].Trim() == "")
{
article.Header.LineCount = 0;
}
else
{
article.Header.LineCount = int.Parse(values[7]);
}
article.Body = null;
}
catch (Exception e)
{
throw new Exception(response, e);
}
list.Add(article);
}
return(list);
}
private ArticleHeader GetHeader(string messageId, out MIMEPart part)
{
string response = null;
ArticleHeader header = new ArticleHeader();
string name = null;
string value = null;
header.ReferenceIds = new string[0];
string[] values = null;
string[] values2 = null;
Match m = null;
part = null;
int i = -1;
while ((response = sr.ReadLine()) != null && response != "")
{
m = Regex.Match(response, @"^\s+(\S+)$");
if (m.Success)
{
value = m.Groups[1].ToString();
}
else
{
i = response.IndexOf(':');
if (i == -1)
{
continue;
}
name = response.Substring(0, i).ToUpper();
value = response.Substring(i + 1);
}
switch (name)
{
case "REFERENCES":
values = value.Split(' ');
values2 = header.ReferenceIds;
header.ReferenceIds = new string[values.Length + values2.Length];
values.CopyTo(header.ReferenceIds, 0);
values2.CopyTo(header.ReferenceIds, values.Length);
break;
case "SUBJECT":
header.Subject += NntpUtil.Base64HeaderDecode(value);
break;
case "DATE":
i = value.IndexOf(',');
header.Date = DateTime.Parse(value.Substring(i + 1, value.Length - 7 - i));
break;
case "FROM":
header.From += NntpUtil.Base64HeaderDecode(value);
break;
case "NNTP-POSTING-HOST":
header.PostingHost += value;
break;
case "LINES":
header.LineCount = int.Parse(value);
break;
case "MIME-VERSION":
part = new MIMEPart();
part.ContentType = "TEXT/PLAIN";
part.Charset = "US-ASCII";
part.ContentTransferEncoding = "7BIT";
part.Filename = null;
part.Boundary = null;
break;
case "CONTENT-TYPE":
if (part != null)
{
m = Regex.Match(response, @"CONTENT-TYPE: ""?([^""\s;]+)", RegexOptions.IgnoreCase);
if (m.Success)
{
part.ContentType = m.Groups[1].ToString();
}
m = Regex.Match(response, @"BOUNDARY=""?([^""\s;]+)", RegexOptions.IgnoreCase);
if (m.Success)
{
part.Boundary = m.Groups[1].ToString();
part.EmbeddedPartList = new ArrayList();
}
m = Regex.Match(response, @"CHARSET=""?([^""\s;]+)", RegexOptions.IgnoreCase);
if (m.Success)
{
part.Charset = m.Groups[1].ToString();
}
m = Regex.Match(response, @"NAME=""?([^""\s;]+)", RegexOptions.IgnoreCase);
if (m.Success)
{
part.Filename = m.Groups[1].ToString();
}
}
break;
case "CONTENT-TRANSFER-ENCODING":
if (part != null)
{
m = Regex.Match(response, @"CONTENT-TRANSFER-ENCODING: ""?([^""\s;]+)", RegexOptions.IgnoreCase);
if (m.Success)
{
part.ContentTransferEncoding = m.Groups[1].ToString();
}
}
break;
}
}
return(header);
}
