private Axis.AxisType GetAxis(XPathScanner scaner)
{
object obj2 = AxesTable[scaner.Name];
if (obj2 == null)
{
throw XPathException.Create("Xp_InvalidToken", this.scanner.SourceText);
}
return((Axis.AxisType)obj2);
}
private static bool IsPrimaryExpr(XPathScanner scanner)
{
return(
scanner.Kind == XPathScanner.LexKind.String ||
scanner.Kind == XPathScanner.LexKind.Number ||
scanner.Kind == XPathScanner.LexKind.Dollar ||
scanner.Kind == XPathScanner.LexKind.LParens ||
scanner.Kind == XPathScanner.LexKind.Name && scanner.CanBeFunction && !IsNodeType(scanner)
);
}
private static bool IsNodeType(XPathScanner scaner)
{
return(
scaner.Prefix.Length == 0 && (
scaner.Name == "node" ||
scaner.Name == "text" ||
scaner.Name == "processing-instruction" ||
scaner.Name == "comment"
)
);
}
private Axis.AxisType GetAxis(XPathScanner scaner)
{
Debug.Assert(scaner.Kind == XPathScanner.LexKind.Axe);
object axis = AxesTable[scaner.Name];
if (axis == null)
{
throw XPathException.Create(Res.Xp_InvalidToken, scanner.SourceText);
}
return((Axis.AxisType)axis);
}
public static AstNode ParseXPathPattern(string xpathPattern)
{
XPathScanner scanner = new XPathScanner(xpathPattern);
AstNode node = new XPathParser(scanner).ParsePattern(null);
if (scanner.Kind != XPathScanner.LexKind.Eof)
{
throw XPathException.Create("Xp_InvalidToken", scanner.SourceText);
}
return(node);
}
public static AstNode ParseXPathPattern(string xpathPattern)
{
XPathScanner scanner = new XPathScanner(xpathPattern);
XPathParser parser = new XPathParser(scanner);
AstNode result = parser.ParsePattern();
if (scanner.Kind != XPathScanner.LexKind.Eof)
{
throw XPathException.Create(SR.Xp_InvalidToken, scanner.SourceText);
}
return(result);
}
private static bool IsNodeType(XPathScanner scaner)
{
if (scaner.Prefix.Length != 0)
{
return(false);
}
if ((!(scaner.Name == "node") && !(scaner.Name == "text")) && !(scaner.Name == "processing-instruction"))
{
return(scaner.Name == "comment");
}
return(true);
}
private XPathParser(XPathScanner scanner)
{
_scanner = scanner;
}
private XPathParser(string xpathExpr)
{
_scanner = new XPathScanner(xpathExpr);
_parseDepth = 0;
}
private XPathParser(XPathScanner scanner)
{
this.scanner = scanner;
}
private static bool IsPrimaryExpr(XPathScanner scanner)
{
return((((scanner.Kind == XPathScanner.LexKind.String) || (scanner.Kind == XPathScanner.LexKind.Number)) || ((scanner.Kind == XPathScanner.LexKind.Dollar) || (scanner.Kind == XPathScanner.LexKind.LParens))) || (((scanner.Kind == XPathScanner.LexKind.Name) && scanner.CanBeFunction) && !IsNodeType(scanner)));
}
