public static void ParseIlSnippet(string inputText, ParsingDirection direction, Func <IlParsingUtils.IlSnippetLocation, bool> predicate, Action <IlParsingUtils.IlSnippetFinalizaton> finalization = null)
{
bool withinString = false;
bool withinScope = false;
bool atOuterBracket = false;
int nestedBrackets = 0;
int endIndex = inputText.Length - 1;
bool wasInterupted = false;
int val2 = -1;
int num1 = direction == ParsingDirection.Forward ? 1 : -1;
int num2 = direction == ParsingDirection.Forward ? 0 : endIndex;
Func <int, bool> func = direction == ParsingDirection.Forward ? (Func <int, bool>)(i => i <= endIndex) : (Func <int, bool>)(i => i > -1);
int lastPosition = -1;
char ch = char.MinValue;
string lastIdentifier = (string)null;
int index = num2;
while (func(index))
{
char currentChar = inputText[index];
atOuterBracket = false;
if ((int)currentChar == 39)
{
withinString = !withinString;
if (!withinString && val2 > -1)
{
int val1 = index - num1;
int startIndex = Math.Min(val1, val2);
int num3 = Math.Max(val1, val2);
lastIdentifier = val2 != val1?inputText.Substring(0, num3 + 1).Substring(startIndex) : "";
}
else
{
lastIdentifier = (string)null;
}
if (withinString && (int)ch == 91)
{
withinScope = true;
}
}
else
{
if (withinString && (int)ch == 39)
{
val2 = index;
}
if (!withinString)
{
val2 = -1;
if (withinScope && (int)currentChar == 93)
{
withinScope = false;
}
if ((int)currentChar == 41)
{
atOuterBracket = nestedBrackets == 0;
++nestedBrackets;
}
else if ((int)currentChar == 40)
{
--nestedBrackets;
atOuterBracket = nestedBrackets == 0;
}
}
}
if (!predicate(new IlParsingUtils.IlSnippetLocation(inputText, index, currentChar, lastIdentifier, withinString, withinScope, nestedBrackets, atOuterBracket)))
{
wasInterupted = true;
break;
}
lastPosition = index;
ch = currentChar;
index += num1;
}
if (finalization == null)
{
return;
}
finalization(new IlParsingUtils.IlSnippetFinalizaton(inputText, lastPosition, wasInterupted, lastIdentifier, withinString, withinScope, nestedBrackets, atOuterBracket));
}
public SubFunction()
{
ParsingDirection = ParsingDirection.Send; //默认解析发送
}
