private static ASTNodeFilterExpr parseFilterExp(ASTNodeAbstractExpr node)
{
ASTNodeFilterExpr filt = new ASTNodeFilterExpr();
int i;
for (i = node.content.Count - 1; i >= 0; i--)
{
if (node.content[i] is ASTNodePredicate)
{
filt.predicates.Insert(0, node.content[i]);
}
else
{
break;
}
}
if (filt.predicates.Count == 0)
{
return(null);
}
filt.expr = node.extract(0, i + 1);
return(filt);
}
private static void parseBalanced(ASTNode node, SubNodeFactory snf, int lToken, int rToken)
{
if (node is ASTNodeAbstractExpr)
{
ASTNodeAbstractExpr absNode = (ASTNodeAbstractExpr)node;
int i = 0;
while (i < absNode.content.Count)
{
int type = absNode.getTokenType(i);
if (type == rToken)
{
throw new XPathSyntaxException("Unbalanced brackets or parentheses!"); //unbalanced
}
else if (type == lToken)
{
int j = absNode.indexOfBalanced(i, rToken, lToken, rToken);
if (j == -1)
{
throw new XPathSyntaxException("mismatched brackets or parentheses!"); //mismatched
}
absNode.condense(snf.newNode(absNode.extract(i + 1, j)), i, j + 1);
}
i++;
}
}
//UPGRADE_TODO: Method 'java.util.Enumeration.hasMoreElements' was converted to 'System.Collections.IEnumerator.MoveNext' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javautilEnumerationhasMoreElements'"
for (System.Collections.IEnumerator e = node.Children.GetEnumerator(); e.MoveNext();)
{
//UPGRADE_TODO: Method 'java.util.Enumeration.nextElement' was converted to 'System.Collections.IEnumerator.Current' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javautilEnumerationnextElement'"
parseBalanced((ASTNode)e.Current, snf, lToken, rToken);
}
}
private static void parseUnaryOp(ASTNode node, int op)
{
if (node is ASTNodeAbstractExpr)
{
ASTNodeAbstractExpr absNode = (ASTNodeAbstractExpr)node;
if (absNode.content.Count > 0 && absNode.getTokenType(0) == op)
{
ASTNodeUnaryOp unOp = new ASTNodeUnaryOp();
unOp.op = op;
unOp.expr = (absNode.content.Count > 1?absNode.extract(1, absNode.content.Count):new ASTNodeAbstractExpr());
absNode.condense(unOp, 0, absNode.content.Count);
}
}
//UPGRADE_TODO: Method 'java.util.Enumeration.hasMoreElements' was converted to 'System.Collections.IEnumerator.MoveNext' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javautilEnumerationhasMoreElements'"
for (System.Collections.IEnumerator e = node.Children.GetEnumerator(); e.MoveNext();)
{
//UPGRADE_TODO: Method 'java.util.Enumeration.nextElement' was converted to 'System.Collections.IEnumerator.Current' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javautilEnumerationnextElement'"
parseUnaryOp((ASTNode)e.Current, op);
}
}
