private string TranslateToManifestConvention(string eventMessage, string evtName)
{
StringBuilder stringBuilder = (StringBuilder)null;
int writtenSoFar = 0;
int i = 0;
while (i < eventMessage.Length)
{
if ((int)eventMessage[i] == 37)
{
ManifestBuilder.UpdateStringBuilder(ref stringBuilder, eventMessage, writtenSoFar, i - writtenSoFar);
stringBuilder.Append("%%");
++i;
writtenSoFar = i;
}
else if (i < eventMessage.Length - 1 && ((int)eventMessage[i] == 123 && (int)eventMessage[i + 1] == 123 || (int)eventMessage[i] == 125 && (int)eventMessage[i + 1] == 125))
{
ManifestBuilder.UpdateStringBuilder(ref stringBuilder, eventMessage, writtenSoFar, i - writtenSoFar);
stringBuilder.Append(eventMessage[i]);
++i;
++i;
writtenSoFar = i;
}
else if ((int)eventMessage[i] == 123)
{
int num1 = i;
++i;
int idx = 0;
int num2;
for (; i < eventMessage.Length && char.IsDigit(eventMessage[i]); i = num2 + 1)
{
idx = idx * 10 + (int)eventMessage[i] - 48;
num2 = i;
}
if (i < eventMessage.Length && (int)eventMessage[i] == 125)
{
++i;
ManifestBuilder.UpdateStringBuilder(ref stringBuilder, eventMessage, writtenSoFar, num1 - writtenSoFar);
int manifestConvention = this.TranslateIndexToManifestConvention(idx, evtName);
stringBuilder.Append('%').Append(manifestConvention);
if (i < eventMessage.Length && (int)eventMessage[i] == 33)
{
++i;
stringBuilder.Append("%!");
}
writtenSoFar = i;
}
else
{
this.ManifestError(Environment.GetResourceString("EventSource_UnsupportedMessageProperty", (object)evtName, (object)eventMessage), false);
}
}
else
{
int index;
if ((index = "&<>'\"\r\n\t".IndexOf(eventMessage[i])) >= 0)
{
string[] strArray = new string[8] {
"&", "<", ">", "'", """, "%r", "%n", "%t"
};
((Action <char, string>)((ch, escape) =>
{
ManifestBuilder.UpdateStringBuilder(ref stringBuilder, eventMessage, writtenSoFar, i - writtenSoFar);
++i;
stringBuilder.Append(escape);
writtenSoFar = i;
}))(eventMessage[i], strArray[index]);
}
else
{
++i;
}
}
}
if (stringBuilder == null)
{
return(eventMessage);
}
ManifestBuilder.UpdateStringBuilder(ref stringBuilder, eventMessage, writtenSoFar, i - writtenSoFar);
return(stringBuilder.ToString());
}
