private static void EnsureTokensAreValidInner(IEnumerable <FilterExpressionToken> tokens, ref int numberOfCalls)
{
numberOfCalls++;
if (numberOfCalls > 10 * 1000)
{
throw new InternalJsonPathwayException(
"Number of calls to EnsureTokensAreValidInner exceeded max expected number of 10000, possible stack overflow or infinite loop.");
}
foreach (FilterExpressionToken t in tokens)
{
if (t is PrimitiveExpressionToken)
{
throw new UnexpectedTokenException(t);
}
if (t is MethodCallExpressionToken tc)
{
EnsureTokensAreValidInner(tc.Arguments, ref numberOfCalls);
MethodCallExpressionToken calleeMethod = tc.CalledOnExpression as MethodCallExpressionToken;
while (calleeMethod != null)
{
EnsureTokensAreValidInner(calleeMethod.Arguments, ref numberOfCalls);
calleeMethod = calleeMethod.CalledOnExpression as MethodCallExpressionToken;
}
}
}
}
private static void EnsureMethodArgumentsAreValid(MethodCallExpressionToken mct, ref int callCount)
{
callCount++;
if (callCount > 10 * 1000)
{
throw new InternalJsonPathwayException(
"Number of calls to EnsureTokensAreValidInner exceeded max expected number of 10000, possible stack overflow or infinite loop.");
}
if (mct.CalledOnExpression is MethodCallExpressionToken inner1)
{
EnsureMethodArgumentsAreValid(inner1, ref callCount);
}
foreach (FilterExpressionToken arg in mct.Arguments)
{
if (arg is MethodCallExpressionToken inner2)
{
EnsureMethodArgumentsAreValid(inner2, ref callCount);
}
}
FilterExpressionToken prim = mct.Arguments.FirstOrDefault(x => x is PrimitiveExpressionToken);
if (prim != null)
{
throw new UnexpectedTokenException((prim as PrimitiveExpressionToken).Token);
}
}
private static List <FilterExpressionToken> ReplaceMethodCallsOnArrayAccess(List <FilterExpressionToken> tokens)
{
List <ArrayAccessExpressionToken> arrayTokens = tokens.Where(x => x is ArrayAccessExpressionToken).Cast <ArrayAccessExpressionToken>().ToList();
List <FilterExpressionToken> ret = tokens.ToList();
foreach (ArrayAccessExpressionToken at in arrayTokens)
{
int arrayIndex = ret.IndexOf(at);
int dotIndex = arrayIndex + 1;
if (dotIndex < ret.Count - 4 && ret[dotIndex] is PrimitiveExpressionToken petDot && petDot.Token.IsSymbolToken('.'))
{
int methodNameIndex = dotIndex + 1;
if (ret[methodNameIndex] is PrimitiveExpressionToken petMethodName && petMethodName.Token.IsPropertyToken())
{
PropertyToken propToken = petMethodName.Token.CastToPropertyToken();
if (propToken.Escaped)
{
throw new UnexpectedTokenException(propToken, "Expected method call on array element");
}
string methodName = propToken.StringValue;
int openGroupIndex = methodNameIndex + 1;
if (openGroupIndex < ret.Count && ret[openGroupIndex] is OpenGroupToken ogt)
{
FilterExpressionToken closed = ret.FirstOrDefault(x => x is CloseGroupToken cgt && cgt.GroupId == ogt.GroupId);
if (closed == null)
{
throw new ParsingException("Failed to find ) for ( at " + ogt.StartIndex);
}
List <FilterExpressionToken> args = new List <FilterExpressionToken>();
int startIndex = ret.IndexOf(ogt);
int endIndex = ret.IndexOf(closed);
for (int i = startIndex + 1; i < endIndex; i++)
{
args.Add(ret[i]);
}
args = FormatAndValidateMethodArgumentTokens(args);
ret[arrayIndex] = new MethodCallExpressionToken(at, methodName, args.ToArray());
for (int i = arrayIndex + 1; i <= endIndex; i++)
{
ret[i] = null;
}
}
}
}
}
return(ret.Where(x => x != null).ToList());
}
private static List <FilterExpressionToken> ReplaceMethodCallsOnMethodsInner(List <FilterExpressionToken> tokens, ref int callCount, out int replacedCount)
{
callCount++;
replacedCount = 0;
if (callCount > 10 * 1000)
{
throw new InternalJsonPathwayException(
"Number of calls to ReplaceMethodCallsOnMethodsInner exceeded max expected number of 10000, possible stack overflow or infinite loop.");
}
List <FilterExpressionToken> ret = tokens.ToList();
foreach (MethodCallExpressionToken mc in tokens.Where(x => x is MethodCallExpressionToken))
{
int index = ret.IndexOf(mc);
if (index < ret.Count - 4 && ret[index + 1] is PrimitiveExpressionToken pet1 && pet1.Token.IsSymbolToken('.') &&
ret[index + 2] is PrimitiveExpressionToken pet2 && pet2.Token.IsPropertyToken() &&
ret[index + 3] is OpenGroupToken)
{
OpenGroupToken open = ret[index + 3] as OpenGroupToken;
FilterExpressionToken close = ret.Single(x => x is CloseGroupToken cgt && cgt.GroupId == open.GroupId);
string methodName = (ret[index + 2] as PrimitiveExpressionToken).Token.CastToPropertyToken().StringValue;
List <FilterExpressionToken> args = new List <FilterExpressionToken>();
int closeIndex = ret.IndexOf(close);
for (int i = index + 4; i < closeIndex; i++)
{
args.Add(ret[i]);
}
args = FormatAndValidateMethodArgumentTokens(args);
ret[index] = new MethodCallExpressionToken(mc, methodName, args.ToArray());
for (int i = index + 1; i <= closeIndex; i++)
{
ret[i] = null;
}
replacedCount++;
}
}
return(ret.Where(x => x != null).ToList());
}
private static List <FilterExpressionToken> ReplaceMethodCallsOnProps(List <FilterExpressionToken> tokens)
{
List <PropertyExpressionToken> propTokens = tokens.Where(x => x is PropertyExpressionToken).Cast <PropertyExpressionToken>().ToList();
List <FilterExpressionToken> ret = tokens.ToList();
foreach (PropertyExpressionToken pt in propTokens)
{
int nextIndex = ret.IndexOf(pt) + 1;
if (nextIndex < ret.Count && ret[nextIndex] is OpenGroupToken)
{
OpenGroupToken open = ret[nextIndex] as OpenGroupToken;
CloseGroupToken close = ret.First(x => x is CloseGroupToken cgt && cgt.GroupId == open.GroupId) as CloseGroupToken;
int openIndex = ret.IndexOf(open);
int closeIndex = ret.IndexOf(close);
List <FilterExpressionToken> args = new List <FilterExpressionToken>();
for (int i = openIndex + 1; i < closeIndex; i++)
{
args.Add(ret[i]);
}
args = FormatAndValidateMethodArgumentTokens(args);
string methodName;
PropertyExpressionToken allButLast = pt.AllButLast(out methodName);
int ptIndex = ret.IndexOf(pt);
ret[ptIndex] = new MethodCallExpressionToken(allButLast, methodName, args.ToArray());
List <FilterExpressionToken> toRemove = new List <FilterExpressionToken>();
for (int i = ptIndex + 1; i <= closeIndex; i++)
{
ret[i] = null;
}
}
}
return(ret.Where(x => x != null).ToList());
}
public MethodCallFilterSubExpression(MethodCallExpressionToken token)
{
if (token == null)
{
throw new ArgumentNullException(nameof(token));
}
CalledOnExpression = FilterParser.Parse(new List <FilterExpressionToken> {
token.CalledOnExpression
});
MethodName = token.MethodName;
List <FilterSubExpression> args = new List <FilterSubExpression>();
foreach (FilterExpressionToken a in token.Arguments)
{
args.Add(FilterParser.Parse(new List <FilterExpressionToken> {
a
}));
}
Arguments = args;
}
private static List <FilterExpressionToken> ReplaceMethodCallsOnConstants(List <FilterExpressionToken> tokens)
{
List <FilterExpressionToken> ret = tokens.ToList();
foreach (ConstantBaseExpressionToken ct in tokens.Where(x => x is ConstantBaseExpressionToken))
{
int index = ret.IndexOf(ct);
if (index < ret.Count - 4 && ret[index + 1] is PrimitiveExpressionToken pet1 && pet1.Token.IsSymbolToken('.') &&
ret[index + 2] is PrimitiveExpressionToken pet2 && pet2.Token.IsPropertyToken() &&
ret[index + 3] is OpenGroupToken)
{
OpenGroupToken open = ret[index + 3] as OpenGroupToken;
FilterExpressionToken close = ret.Single(x => x is CloseGroupToken cgt && cgt.GroupId == open.GroupId);
string methodName = (ret[index + 2] as PrimitiveExpressionToken).Token.CastToPropertyToken().StringValue;
List <FilterExpressionToken> args = new List <FilterExpressionToken>();
int closeIndex = ret.IndexOf(close);
for (int i = index + 4; i < closeIndex; i++)
{
args.Add(ret[i]);
}
args = FormatAndValidateMethodArgumentTokens(args);
ret[index] = new MethodCallExpressionToken(ct, methodName, args.ToArray());
for (int i = index + 1; i <= closeIndex; i++)
{
ret[i] = null;
}
}
}
return(ret.Where(x => x != null).ToList());
}
