public HTTPRequest SetURL(URL url)
{
if ((url == null) || ((url.Scheme != "http") && (url.Scheme != "https")))
{
url = null;
}
this.url = url;
return this;
}
/// <summary>Parse URL components (based on RFC3986).</summary>
public static URL Parse(string str, string defaultScheme = "http")
{
if (string.IsNullOrEmpty(str) == true)
{
return null;
}
char[] chars;
int pos;
URL url = new URL();
url._raw = str;
// scheme
pos = str.IndexOf(':');
if (pos > 0)
{
url._scheme = str.Substring(0, pos).ToLower();
str = str.Substring(pos + 1);
}
// authority
pos = -1;
if ((str.StartsWith("//") == true) &&
(url._scheme != null) && (url._scheme != "file"))
{
pos = 2;
}
else if (str.StartsWith("/") == true)
{
if ((url._scheme != null) && (url._scheme != "file"))
{
return null;
}
url._scheme = "file";
}
else
{
if (string.IsNullOrEmpty(defaultScheme) == true)
{
return null;
}
url._scheme = defaultScheme.ToLower();
pos = 0;
}
// file protocol does not have query nor fragment
if (url._scheme == "file")
{
// path
url.ParsePath(str);
return url;
}
// validate scheme
chars = new char[] {':', '/', '?', '#' };
if ((string.IsNullOrEmpty(url._scheme) == true) ||
(url._scheme.IndexOfAny(chars) >= 0))
{
return null;
}
if (pos >= 0)
{
str = url.ParseAuthority(str, pos);
}
// validate authority
if (string.IsNullOrEmpty(url._authority) == true)
{
return null;
}
// fragment
pos = str.IndexOf('#');
if (pos >= 0)
{
url._fragment = str.Substring(pos + 1);
str = str.Substring(0, pos);
}
// query
pos = str.IndexOf('?');
if (pos >= 0)
{
url._query = str.Substring(pos + 1);
str = str.Substring(0, pos);
}
// path
url.ParsePath(str);
return url;
}
