public static string print(Expression exp, int elemDepth, bool visitRef)
{
using (StringWriter str = new StringWriter()) {
exp.Visit(new ExpPrinter(str, elemDepth, visitRef));
return(str.ToString());
}
}
public static string print( Expression exp, int elemDepth, bool visitRef )
{
using( StringWriter str = new StringWriter() ) {
exp.Visit( new ExpPrinter(str,elemDepth,visitRef) );
return str.ToString();
}
}
protected void Visit(Expression e)
{
bool isComplex = false;
if (e is BinaryExp)
{
isComplex = true;
}
if (e is ReferenceExp)
{
isComplex = true;
}
if (isComplex)
{
writer.Write('(');
}
e.Visit(this);
if (isComplex)
{
writer.Write(')');
}
}
public static Expression Calc( Expression exp, Token token, ExpBuilder builder )
{
return exp.Visit( new Residual(token,builder) );
}
protected Expression OnAttribute( Expression exp, Expression[] atoms ) {
if(document.Name!="xmlns"
&& document.Prefix!="xmlns") {
Trace.WriteLine("@"+document.Name);
AttributeToken token = new AttributeToken(
document.NamespaceURI,
document.LocalName,
document.Value,
this, builder );
AttFeeder feeder = new AttFeeder(builder,token);
exp = exp.Visit(feeder);
if( exp==Expression.NotAllowed ) {
// error: bad attribute
ReportError(ERR_BAD_ATTRIBUTE,document.Name);
}
if(atoms!=null)
for( int i=0; i<atoms.Length; i++ )
atoms[i] = atoms[i].Visit(feeder);
Trace.WriteLine("residual: " + ExpPrinter.printContentModel(exp));
}
return exp;
}
protected void Visit( Expression e )
{
bool isComplex = false;
if( e is BinaryExp )
isComplex = true;
if( e is ReferenceExp )
isComplex = true;
if(isComplex) writer.Write('(');
e.Visit(this);
if(isComplex) writer.Write(')');
}
