public static void Parse(string value, out string scheme, out Collection <string> parameters)
{
var space = value.IndexOf(' ');
scheme = value.Substring(0, space).Trim();
var remaining = value.Substring(space + 1).Trim();
parameters = HeaderStore.ParseMultiValue(remaining, ',');
}
static Collection <string> LoadHeaders(string s)
{
s = s.Substring(s.IndexOf('=') + 1).Trim();
if (s.StartsWithInvariant("\""))
{
s = s.Substring(1).Trim();
}
if (s.EndsWithInvariant("\""))
{
s = s.Substring(0, s.Length - 1);
}
return(HeaderStore.ParseMultiValue(s, ','));
}
public static Cookie Parse(string value)
{
var cookie = new Cookie();
foreach (var pair in HeaderStore.ParseMultiValue(value, ';'))
{
var eq = pair.IndexOf('=');
if (eq == -1)
{
cookie.Add(pair, Cookie.AttributeOnly);
continue;
}
cookie.Add(pair.Substring(0, eq).Trim(), pair.Substring(eq + 1).Trim());
}
return(cookie);
}
public static CacheControl Parse(string headerValue)
{
var c = new CacheControl();
foreach (var d in HeaderStore.ParseMultiValue(headerValue, ','))
{
var directive = d.ToUpper(CultureInfo.InvariantCulture);
switch (directive)
{
case "NO-CACHE":
c.NoCache = true;
continue;
case "NO-STORE":
c.NoStore = true;
continue;
case "MAX-STALE":
c.MaxStale = true;
c.MaxStaleLimit = null;
continue;
case "NO-TRANSFORM":
c.NoTransform = true;
continue;
case "ONLY-IF-CACHED":
c.OnlyIfCached = true;
continue;
case "PUBLIC":
c.Public = true;
continue;
case "PRIVATE":
c.Private = true;
continue;
case "MUST-REVALIDATE":
c.MustRevalidate = true;
continue;
case "PROXY-REVALIDATE":
c.ProxyRevalidate = true;
continue;
}
if (directive.StartsWithInvariant("no-cache"))
{
c.noCacheHeaders = LoadHeaders(d);
c.NoCache = true;
continue;
}
if (directive.StartsWithInvariant("max-age"))
{
c.MaxAge = GetDeltaSeconds(directive);
continue;
}
if (directive.StartsWithInvariant("max-stale"))
{
c.MaxStaleLimit = GetDeltaSeconds(directive);
c.MaxStale = true;
continue;
}
if (directive.StartsWithInvariant("min-fresh"))
{
c.MinFresh = GetDeltaSeconds(directive);
continue;
}
if (directive.StartsWithInvariant("private"))
{
c.privateHeaders = LoadHeaders(d);
c.Private = true;
continue;
}
if (directive.StartsWithInvariant("s-maxage"))
{
c.SharedMaxAge = GetDeltaSeconds(directive);
continue;
}
c.Extensions.Add(d);
}
return(c);
}