public static string DeEntitize(string text)
{
if (text == null)
{
return(null);
}
if (text.Length == 0)
{
return(text);
}
StringBuilder stringBuilder = new StringBuilder(text.Length);
HtmlEntity.ParseState parseState = HtmlEntity.ParseState.Text;
StringBuilder stringBuilder2 = new StringBuilder(10);
for (int i = 0; i < text.Length; i++)
{
switch (parseState)
{
case HtmlEntity.ParseState.Text:
{
char c = text[i];
if (c == '&')
{
parseState = HtmlEntity.ParseState.EntityStart;
}
else
{
stringBuilder.Append(text[i]);
}
break;
}
case HtmlEntity.ParseState.EntityStart:
{
char c2 = text[i];
if (c2 != '&')
{
if (c2 == ';')
{
if (stringBuilder2.Length == 0)
{
stringBuilder.Append("&;");
}
else
{
if (stringBuilder2[0] == '#')
{
string text2 = stringBuilder2.ToString();
try
{
string text3 = text2.Substring(1).Trim().ToLower();
int fromBase;
if (text3.StartsWith("x"))
{
fromBase = 16;
text3 = text3.Substring(1);
}
else
{
fromBase = 10;
}
int value = Convert.ToInt32(text3, fromBase);
stringBuilder.Append(Convert.ToChar(value));
goto IL_16A;
}
catch
{
stringBuilder.Append("&#" + text2 + ";");
goto IL_16A;
}
goto IL_11F;
}
goto IL_11F;
IL_16A:
stringBuilder2.Remove(0, stringBuilder2.Length);
goto IL_178;
IL_11F:
object obj = HtmlEntity._entityValue[stringBuilder2.ToString()];
if (obj == null)
{
stringBuilder.Append("&" + stringBuilder2 + ";");
goto IL_16A;
}
int value2 = (int)obj;
stringBuilder.Append(Convert.ToChar(value2));
goto IL_16A;
}
IL_178:
parseState = HtmlEntity.ParseState.Text;
}
else
{
stringBuilder2.Append(text[i]);
if (stringBuilder2.Length > HtmlEntity._maxEntitySize)
{
parseState = HtmlEntity.ParseState.Text;
stringBuilder.Append("&" + stringBuilder2);
stringBuilder2.Remove(0, stringBuilder2.Length);
}
}
}
else
{
stringBuilder.Append("&" + stringBuilder2);
stringBuilder2.Remove(0, stringBuilder2.Length);
}
break;
}
}
}
if (parseState == HtmlEntity.ParseState.EntityStart)
{
stringBuilder.Append("&" + stringBuilder2);
}
return(stringBuilder.ToString());
}
public static string DeEntitize(string text)
{
if (text == null)
{
return(null);
}
if (text.Length == 0)
{
return(text);
}
#if !SALTARELLE
StringBuilder entity = null;
StringBuilder sb = null;
#endif
bool flag = false;
HtmlEntity.ParseState parseState = HtmlEntity.ParseState.Text;
for (int i = 0; i < text.Length; i++)
{
switch (parseState)
{
case HtmlEntity.ParseState.Text:
{
char c = text[i];
if (c == '&')
{
parseState = HtmlEntity.ParseState.EntityStart;
}
else
{
if (flag)
{
sb.Append(text[i]);
}
}
break;
}
case HtmlEntity.ParseState.EntityStart:
{
if (!flag)
{
flag = true;
if (sb == null)
{
#if SALTARELLE
sb = new StringBuilder(text.Length);
#else
sb = ReseekableStringBuilder.AcquirePooledStringBuilder();
#endif
}
else
{
sb.Length = 0;
}
sb.Append(text, 0, i - 1);
if (entity == null)
{
#if SALTARELLE
entity = new StringBuilder(10);
#else
entity = ReseekableStringBuilder.AcquirePooledStringBuilder();
#endif
}
entity.Length = 0;
}
char c2 = text[i];
if (c2 == ';' || c2 == '<' || c2 == '"' || c2 == '\'' || HtmlEntity.IsWhiteSpace(c2))
{
bool flag2 = c2 == ';';
if (!flag2)
{
i--;
}
if (entity.Length == 0)
{
if (c2 == ';')
{
sb.Append("&;");
}
else
{
sb.Append('&');
}
}
else
{
if (entity[0] == '#')
{
string text2 = entity.ToString();
try
{
string text3 = text2.SubstringCached(1).Trim().ToLowerFast();
int fromBase;
if (text3.StartsWith("x"))
{
fromBase = 16;
text3 = text3.SubstringCached(1);
}
else
{
fromBase = 10;
}
#if SALTARELLE
int num = int.Parse(text3, fromBase);
#else
int num = Convert.ToInt32(text3, fromBase);
#endif
if (num > 65535)
{
#if SALTARELLE
sb.Append(StringFromCodePoint(num));
#else
sb.Append(char.ConvertFromUtf32(num));
#endif
}
else
{
sb.Append((char)num);
}
goto IL_235;
}
catch
{
sb.Append("&#" + text2 + ";");
goto IL_235;
}
goto IL_1DC;
}
goto IL_1DC;
IL_235:
entity.Remove(0, entity.Length);
goto IL_24B;
IL_1DC:
int num2;
#if SALTARELLE
num2 = HtmlEntity._entityValue[entity.ToStringCached()];
if (!Script.IsNullOrUndefined(num2))
{
sb.Append((char)num2);
goto IL_235;
}
#else
if (HtmlEntity._entityValue.TryGetValue(entity.ToStringCached(), out num2))
{
int num3 = num2;
sb.Append((char)num3);
goto IL_235;
}
#endif
sb.Append('&');
sb.Append(entity);
if (flag2)
{
sb.Append(';');
goto IL_235;
}
goto IL_235;
}
IL_24B:
parseState = HtmlEntity.ParseState.Text;
}
else
{
if (c2 == '&')
{
sb.Append("&" + entity);
entity.Remove(0, entity.Length);
}
else
{
entity.Append(text[i]);
if (entity.Length > HtmlEntity._maxEntitySize)
{
parseState = HtmlEntity.ParseState.Text;
sb.Append("&" + entity);
entity.Remove(0, entity.Length);
}
}
}
break;
}
}
}
if (parseState == HtmlEntity.ParseState.EntityStart && flag)
{
sb.Append("&" + entity);
}
if (!flag)
{
return(text);
}
return(sb.ToStringCached());
}
