protected void Parse()
{
this.Parse(this.source);
if (this.userEscaped)
{
return;
}
this.host = Uri.EscapeString(this.host, false, true, false);
this.path = Uri.EscapeString(this.path);
}
protected static string EscapeString(string str)
{
return(Uri.EscapeString(str, false, true, true));
}
public Uri(Uri baseUri, string relativeUri, bool dontEscape)
{
this.scheme = string.Empty;
this.host = string.Empty;
this.port = -1;
this.path = string.Empty;
this.query = string.Empty;
this.fragment = string.Empty;
this.userinfo = string.Empty;
this.reduce = true;
base..ctor();
if (baseUri == null)
{
throw new NullReferenceException("baseUri");
}
this.userEscaped = dontEscape;
if (relativeUri == null)
{
throw new NullReferenceException("relativeUri");
}
if (relativeUri.StartsWith("\\\\"))
{
this.source = relativeUri;
this.Parse();
return;
}
int num = relativeUri.IndexOf(':');
if (num != -1)
{
int num2 = relativeUri.IndexOfAny(new char[]
{
'/',
'\\',
'?'
});
if (num2 > num || num2 < 0)
{
this.source = relativeUri;
this.Parse();
return;
}
}
this.scheme = baseUri.scheme;
this.host = baseUri.host;
this.port = baseUri.port;
this.userinfo = baseUri.userinfo;
this.isUnc = baseUri.isUnc;
this.isUnixFilePath = baseUri.isUnixFilePath;
this.isOpaquePart = baseUri.isOpaquePart;
if (relativeUri == string.Empty)
{
this.path = baseUri.path;
this.query = baseUri.query;
this.fragment = baseUri.fragment;
return;
}
num = relativeUri.IndexOf('#');
if (num != -1)
{
this.fragment = relativeUri.Substring(num);
relativeUri = relativeUri.Substring(0, num);
}
num = relativeUri.IndexOf('?');
if (num != -1)
{
this.query = relativeUri.Substring(num);
if (!this.userEscaped)
{
this.query = Uri.EscapeString(this.query);
}
relativeUri = relativeUri.Substring(0, num);
}
if (relativeUri.Length > 0 && relativeUri[0] == '/')
{
if (relativeUri.Length > 1 && relativeUri[1] == '/')
{
this.source = this.scheme + ':' + relativeUri;
this.Parse();
return;
}
this.path = relativeUri;
if (!this.userEscaped)
{
this.path = Uri.EscapeString(this.path);
}
return;
}
else
{
this.path = baseUri.path;
if (relativeUri.Length > 0 || this.query.Length > 0)
{
num = this.path.LastIndexOf('/');
if (num >= 0)
{
this.path = this.path.Substring(0, num + 1);
}
}
if (relativeUri.Length == 0)
{
return;
}
this.path += relativeUri;
int startIndex = 0;
for (;;)
{
num = this.path.IndexOf("./", startIndex);
if (num == -1)
{
break;
}
if (num == 0)
{
this.path = this.path.Remove(0, 2);
}
else if (this.path[num - 1] != '.')
{
this.path = this.path.Remove(num, 2);
}
else
{
startIndex = num + 1;
}
}
if (this.path.Length > 1 && this.path[this.path.Length - 1] == '.' && this.path[this.path.Length - 2] == '/')
{
this.path = this.path.Remove(this.path.Length - 1, 1);
}
startIndex = 0;
for (;;)
{
num = this.path.IndexOf("/../", startIndex);
if (num == -1)
{
break;
}
if (num == 0)
{
startIndex = 3;
}
else
{
int num3 = this.path.LastIndexOf('/', num - 1);
if (num3 == -1)
{
startIndex = num + 1;
}
else if (this.path.Substring(num3 + 1, num - num3 - 1) != "..")
{
this.path = this.path.Remove(num3 + 1, num - num3 + 3);
}
else
{
startIndex = num + 1;
}
}
}
if (this.path.Length > 3 && this.path.EndsWith("/.."))
{
num = this.path.LastIndexOf('/', this.path.Length - 4);
if (num != -1 && this.path.Substring(num + 1, this.path.Length - num - 4) != "..")
{
this.path = this.path.Remove(num + 1, this.path.Length - num - 1);
}
}
if (!this.userEscaped)
{
this.path = Uri.EscapeString(this.path);
}
return;
}
}
protected void Escape()
{
this.path = Uri.EscapeString(this.path);
}
private void Parse(string uriString)
{
if (uriString == null)
{
throw new ArgumentNullException("uriString");
}
int length = uriString.Length;
if (length <= 1)
{
throw new FormatException();
}
int num = uriString.IndexOf(':');
if (num < 0)
{
if (uriString[0] == '/')
{
this.ParseAsUnixAbsoluteFilePath(uriString);
}
else
{
if (!uriString.StartsWith("\\\\"))
{
throw new FormatException("URI scheme was not recognized, nor input string is not recognized as an absolute file path.");
}
this.ParseAsWindowsUNC(uriString);
}
return;
}
if (num == 1)
{
if (!char.IsLetter(uriString[0]))
{
throw new FormatException("URI scheme must start with alphabet character.");
}
this.ParseAsWindowsAbsoluteFilePath(uriString);
return;
}
else
{
this.scheme = uriString.Substring(0, num).ToLower(CultureInfo.InvariantCulture);
if (!char.IsLetter(this.scheme[0]))
{
throw new FormatException("URI scheme must start with alphabet character.");
}
for (int i = 1; i < this.scheme.Length; i++)
{
if (!char.IsLetterOrDigit(this.scheme, i))
{
switch (this.scheme[i])
{
case '+':
case '-':
case '.':
goto IL_132;
}
throw new FormatException("URI scheme must consist of one of alphabet, digits, '+', '-' or '.' character.");
}
IL_132 :;
}
uriString = uriString.Substring(num + 1);
num = uriString.IndexOf('#');
if (!this.IsUnc && num != -1)
{
this.fragment = uriString.Substring(num);
uriString = uriString.Substring(0, num);
}
num = uriString.IndexOf('?');
if (num != -1)
{
this.query = uriString.Substring(num);
uriString = uriString.Substring(0, num);
if (!this.userEscaped)
{
this.query = Uri.EscapeString(this.query);
}
}
bool flag = this.scheme == Uri.UriSchemeFile && uriString.StartsWith("///");
if (uriString.StartsWith("//"))
{
if (uriString.StartsWith("////"))
{
flag = false;
}
uriString = uriString.TrimStart(new char[]
{
'/'
});
if (uriString.Length > 1 && uriString[1] == ':')
{
flag = false;
}
}
else if (!Uri.IsPredefinedScheme(this.scheme))
{
this.path = uriString;
this.isOpaquePart = true;
return;
}
num = uriString.IndexOfAny(new char[]
{
'/'
});
if (flag)
{
num = -1;
}
if (num == -1)
{
if (this.scheme != Uri.UriSchemeMailto && this.scheme != Uri.UriSchemeNews && this.scheme != Uri.UriSchemeFile)
{
this.path = "/";
}
}
else
{
this.path = uriString.Substring(num);
uriString = uriString.Substring(0, num);
}
num = uriString.IndexOf("@");
if (num != -1)
{
this.userinfo = uriString.Substring(0, num);
uriString = uriString.Remove(0, num + 1);
}
this.port = -1;
num = uriString.LastIndexOf(":");
if (flag)
{
num = -1;
}
if (num != -1 && num != uriString.Length - 1)
{
string text = uriString.Remove(0, num + 1);
if (text.Length > 1 && text[text.Length - 1] != ']')
{
try
{
this.port = (int)uint.Parse(text, CultureInfo.InvariantCulture);
uriString = uriString.Substring(0, num);
}
catch (Exception)
{
throw new FormatException("Invalid URI: invalid port number");
}
}
}
if (this.port == -1)
{
this.port = Uri.GetDefaultPort(this.scheme);
}
this.host = uriString;
if (flag)
{
this.path = '/' + uriString;
this.host = string.Empty;
}
else if (this.host.Length == 2 && this.host[1] == ':')
{
this.path = this.host + this.path;
this.host = string.Empty;
}
else if (this.isUnixFilePath)
{
uriString = "//" + uriString;
this.host = string.Empty;
}
else
{
if (this.host.Length == 0)
{
throw new FormatException("Invalid URI: The hostname could not be parsed");
}
if (this.scheme == Uri.UriSchemeFile)
{
this.isUnc = true;
}
}
if (this.scheme != Uri.UriSchemeMailto && this.scheme != Uri.UriSchemeNews && this.scheme != Uri.UriSchemeFile && this.reduce)
{
this.path = Uri.Reduce(this.path);
}
return;
}
}
