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[Modify] Replace it

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sta 2019-01-01 16:22:54 +09:00
parent 34dd9c9f60
commit a793b5be21
1 changed files with 1 additions and 105 deletions
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106
websocket-sharp/Net/HttpUtility.cs
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@ -907,111 +907,7 @@ namespace WebSocketSharp.Net
if (s.Length == 0) if (s.Length == 0)
return s; return s;
var entity = new StringBuilder (); return htmlDecode (s);
var output = new StringBuilder ();
// 0 -> nothing,
// 1 -> right after '&'
// 2 -> between '&' and ';' but no '#'
// 3 -> '#' found after '&' and getting numbers
var state = 0;
var number = 0;
var haveTrailingDigits = false;
foreach (var c in s) {
if (state == 0) {
if (c == '&') {
entity.Append (c);
state = 1;
}
else {
output.Append (c);
}
continue;
}
if (c == '&') {
state = 1;
if (haveTrailingDigits) {
entity.Append (number.ToString (CultureInfo.InvariantCulture));
haveTrailingDigits = false;
}
output.Append (entity.ToString ());
entity.Length = 0;
entity.Append ('&');
continue;
}
if (state == 1) {
if (c == ';') {
state = 0;
output.Append (entity.ToString ());
output.Append (c);
entity.Length = 0;
}
else {
number = 0;
if (c != '#')
state = 2;
else
state = 3;
entity.Append (c);
}
}
else if (state == 2) {
entity.Append (c);
if (c == ';') {
var key = entity.ToString ();
var entities = getEntities ();
if (key.Length > 1 && entities.ContainsKey (key.Substring (1, key.Length - 2)))
key = entities[key.Substring (1, key.Length - 2)].ToString ();
output.Append (key);
state = 0;
entity.Length = 0;
}
}
else if (state == 3) {
if (c == ';') {
if (number > 65535) {
output.Append ("&#");
output.Append (number.ToString (CultureInfo.InvariantCulture));
output.Append (";");
}
else {
output.Append ((char) number);
}
state = 0;
entity.Length = 0;
haveTrailingDigits = false;
}
else if (Char.IsDigit (c)) {
number = number * 10 + ((int) c - '0');
haveTrailingDigits = true;
}
else {
state = 2;
if (haveTrailingDigits) {
entity.Append (number.ToString (CultureInfo.InvariantCulture));
haveTrailingDigits = false;
}
entity.Append (c);
}
}
}
if (entity.Length > 0)
output.Append (entity.ToString ());
else if (haveTrailingDigits)
output.Append (number.ToString (CultureInfo.InvariantCulture));
return output.ToString ();
} }
public static void HtmlDecode (string s, TextWriter output) public static void HtmlDecode (string s, TextWriter output)