public ISet <ICookie> Decode(string header)
{
Contract.Requires(header != null);
int headerLen = header.Length;
if (headerLen == 0)
{
return(Empty);
}
var cookies = new SortedSet <ICookie>();
int i = 0;
bool rfc2965Style = false;
if (CharUtil.RegionMatchesIgnoreCase(header, 0, RFC2965Version, 0, RFC2965Version.Count))
{
// RFC 2965 style cookie, move to after version value
i = header.IndexOf(';') + 1;
rfc2965Style = true;
}
// loop
for (;;)
{
// Skip spaces and separators.
for (;;)
{
if (i == headerLen)
{
goto loop;
}
char c = header[i];
if (c == '\t' || c == '\n' || c == 0x0b || c == '\f' ||
c == '\r' || c == ' ' || c == ',' || c == ';')
{
i++;
continue;
}
break;
}
int nameBegin = i;
int nameEnd;
int valueBegin;
int valueEnd;
for (;;)
{
char curChar = header[i];
if (curChar == ';')
{
// NAME; (no value till ';')
nameEnd = i;
valueBegin = valueEnd = -1;
break;
}
else if (curChar == '=')
{
// NAME=VALUE
nameEnd = i;
i++;
if (i == headerLen)
{
// NAME= (empty value, i.e. nothing after '=')
valueBegin = valueEnd = 0;
break;
}
valueBegin = i;
// NAME=VALUE;
int semiPos = header.IndexOf(';', i);
valueEnd = i = semiPos > 0 ? semiPos : headerLen;
break;
}
else
{
i++;
}
if (i == headerLen)
{
// NAME (no value till the end of string)
nameEnd = headerLen;
valueBegin = valueEnd = -1;
break;
}
}
if (rfc2965Style && (CharUtil.RegionMatches(header, nameBegin, RFC2965Path, 0, RFC2965Path.Count) ||
CharUtil.RegionMatches(header, nameBegin, RFC2965Domain, 0, RFC2965Domain.Count) ||
CharUtil.RegionMatches(header, nameBegin, RFC2965Port, 0, RFC2965Port.Count)))
{
// skip obsolete RFC2965 fields
continue;
}
DefaultCookie cookie = this.InitCookie(header, nameBegin, nameEnd, valueBegin, valueEnd);
if (cookie != null)
{
cookies.Add(cookie);
}
}
loop:
return(cookies);
}
private void Decode(string header, ICollection <ICookie> cookies)
{
int headerLen = header.Length;
int i = 0;
bool rfc2965Style = false;
if (CharUtil.RegionMatchesIgnoreCase(header, 0, RFC2965Version, 0, RFC2965Version.Count))
{
// RFC 2965 style cookie, move to after version value
i = header.IndexOf(';') + 1;
rfc2965Style = true;
}
// loop
while (true)
{
// Skip spaces and separators.
while (true)
{
if (i == headerLen)
{
goto loop;
}
char c = header[i];
if (IsSpace(c))
{
i++;
continue;
}
break;
}
int nameBegin = i;
int nameEnd;
int valueBegin;
int valueEnd;
while (true)
{
char curChar = header[i];
switch (curChar)
{
case HttpConstants.SemicolonChar:
// NAME; (no value till ';')
nameEnd = i;
valueBegin = valueEnd = -1;
goto loop0;
case HttpConstants.EqualsSignChar:
// NAME=VALUE
nameEnd = i;
i++;
if (i == headerLen)
{
// NAME= (empty value, i.e. nothing after '=')
valueBegin = valueEnd = 0;
goto loop0;
}
valueBegin = i;
// NAME=VALUE;
int semiPos = header.IndexOf(';', i);
valueEnd = i = semiPos > 0 ? semiPos : headerLen;
goto loop0;
default:
i++;
break;
}
if (i == headerLen)
{
// NAME (no value till the end of string)
nameEnd = headerLen;
valueBegin = valueEnd = -1;
break;
}
}
loop0:
if (rfc2965Style && (CharUtil.RegionMatches(header, nameBegin, RFC2965Path, 0, RFC2965Path.Count) ||
CharUtil.RegionMatches(header, nameBegin, RFC2965Domain, 0, RFC2965Domain.Count) ||
CharUtil.RegionMatches(header, nameBegin, RFC2965Port, 0, RFC2965Port.Count)))
{
// skip obsolete RFC2965 fields
continue;
}
DefaultCookie cookie = InitCookie(header, nameBegin, nameEnd, valueBegin, valueEnd);
if (cookie is object)
{
cookies.Add(cookie);
}
}
loop:
return;
}
public bool RegionMatches(int thisStart, ICharSequence seq, int start, int length) => CharUtil.RegionMatches(this, thisStart, seq, start, length);