public bool Parse(string value)
{
ParsedString = value;
try
{
var match = HostRowPattern.Match(value);
if (!match.Success)
{
throw new FormatException();
}
Enabled = value[0] != '#';
IP = new NetAddress(match.Groups["ip"].Value);
Aliases = new HostAliases(match.Groups["hosts"].Value);
Comment = match.Groups["comment"].Value;
Hidden = false;
if (!String.IsNullOrEmpty(Comment))
{
Hidden = Comment[0] == '!';
if (Hidden)
{
Comment = Comment.Substring(1).Trim();
}
}
Valid = true;
}
catch
{
Enabled = false;
Hidden = false;
IP = null;
Aliases = null;
Comment = null;
Valid = false;
}
ParsedHash = HalfMD5.ComputeHash(ToString());
return(Valid);
}
public bool Parse(string value)
{
SourceString = value;
try
{
value = value.Trim();
if (String.IsNullOrEmpty(value))
{
throw new FormatException();
}
if (value.IndexOfAny(new char[] { '\r', '\n' }) != -1)
{
throw new FormatException();
}
// Check if enabled.
Enabled = value[0] != '#';
if (!Enabled)
{
value = value.Substring(1).TrimStart();
}
if (String.IsNullOrEmpty(value))
{
throw new FormatException();
}
// Parse comment part.
Hidden = false;
Comment = null;
var comment_pos = value.IndexOf('#');
if (comment_pos != -1)
{
Comment = value.Substring(comment_pos + 1).Trim();
if (!String.IsNullOrEmpty(Comment))
{
Hidden = Comment[0] == '!';
if (Hidden)
{
Comment = Comment.Substring(1).Trim();
}
}
value = value.Substring(0, comment_pos).TrimEnd();
if (String.IsNullOrEmpty(value))
{
throw new FormatException();
}
}
// Parse IP and hosts.
var parts = value.Split(new char[] { ' ', '\t' }, StringSplitOptions.RemoveEmptyEntries);
if (parts.Length < 2)
{
throw new FormatException();
}
IP = new NetAddress(parts[0]);
Aliases = new HostAliases(parts.Skip(1).ToArray());
Valid = true;
}
catch
{
Enabled = false;
Hidden = false;
IP = null;
Aliases = null;
Comment = null;
Valid = false;
}
SourceHash = HalfMD5.ComputeHash(ToString());
return(Valid);
}