//i == index of token beginning func call (func name)
private static void condenseFuncCall(ASTNodeAbstractExpr node, int funcStart)
{
ASTNodeFunctionCall funcCall = new ASTNodeFunctionCall((XPathQName)node.getToken(funcStart).val);
int funcEnd = node.indexOfBalanced(funcStart + 1, Token.RPAREN, Token.LPAREN, Token.RPAREN);
if (funcEnd == -1)
{
throw new XPathSyntaxException("Mismatched brackets or parentheses"); //mismatched parens
}
ASTNodeAbstractExpr.Partition args = node.partitionBalanced(Token.COMMA, funcStart + 1, Token.LPAREN, Token.RPAREN);
if (args.pieces.Count == 1 && ((ASTNodeAbstractExpr)args.pieces[0]).content.Count == 0)
{
//no arguments
}
else
{
//process arguments
funcCall.args = args.pieces;
}
node.condense(funcCall, funcStart, funcEnd + 1);
}
//please kill me
private static ASTNodePathStep parseStep(ASTNodeAbstractExpr node)
{
ASTNodePathStep step = new ASTNodePathStep();
if (node.content.Count == 1 && node.getTokenType(0) == Token.DOT)
{
step.axisType = ASTNodePathStep.AXIS_TYPE_NULL;
step.nodeTestType = ASTNodePathStep.NODE_TEST_TYPE_ABBR_DOT;
}
else if (node.content.Count == 1 && node.getTokenType(0) == Token.DBL_DOT)
{
step.axisType = ASTNodePathStep.AXIS_TYPE_NULL;
step.nodeTestType = ASTNodePathStep.NODE_TEST_TYPE_ABBR_DBL_DOT;
}
else
{
int i = 0;
if (node.content.Count > 0 && node.getTokenType(0) == Token.AT)
{
step.axisType = ASTNodePathStep.AXIS_TYPE_ABBR;
i += 1;
}
else if (node.content.Count > 1 && node.getTokenType(0) == Token.QNAME && node.getTokenType(1) == Token.DBL_COLON)
{
int axisVal = ASTNodePathStep.validateAxisName(((XPathQName)node.getToken(0).val).ToString());
if (axisVal == -1)
{
throw new XPathSyntaxException("Invalid Axis: " + ((XPathQName)node.getToken(0).val).ToString());
}
step.axisType = ASTNodePathStep.AXIS_TYPE_EXPLICIT;
step.axisVal = axisVal;
i += 2;
}
else
{
step.axisType = ASTNodePathStep.AXIS_TYPE_NULL;
}
if (node.content.Count > i && node.getTokenType(i) == Token.WILDCARD)
{
step.nodeTestType = ASTNodePathStep.NODE_TEST_TYPE_WILDCARD;
}
else if (node.content.Count > i && node.getTokenType(i) == Token.NSWILDCARD)
{
step.nodeTestType = ASTNodePathStep.NODE_TEST_TYPE_NSWILDCARD;
step.nodeTestNamespace = ((System.String)node.getToken(i).val);
}
else if (node.content.Count > i && node.getTokenType(i) == Token.QNAME)
{
step.nodeTestType = ASTNodePathStep.NODE_TEST_TYPE_QNAME;
step.nodeTestQName = (XPathQName)node.getToken(i).val;
}
else if (node.content.Count > i && node.content[i] is ASTNodeFunctionCall)
{
if (!ASTNodePathStep.validateNodeTypeTest((ASTNodeFunctionCall)node.content[i]))
{
throw new XPathSyntaxException();
}
step.nodeTestType = ASTNodePathStep.NODE_TEST_TYPE_FUNC;
step.nodeTestFunc = (ASTNodeFunctionCall)node.content[i];
}
else
{
throw new XPathSyntaxException();
}
i += 1;
while (i < node.content.Count)
{
if (node.content[i] is ASTNodePredicate)
{
step.predicates.Add(node.content[i]);
}
else
{
throw new XPathSyntaxException();
}
i++;
}
}
return(step);
}
