private static IEnumerable <XmlToCursorData> GetXmlToCursorsThatHaveNestedProperties(VfpExpression expression)
{
return(XmlToCursorExpressionGatherer.Gather(expression)
.Select(x => new XmlToCursorData(x))
.Where(x => x.TableProperty != null)
.Where(x => x.TableProperty.Instance is VfpPropertyExpression)
.Select(x => x));
}
private IEnumerable <XmlToCursorData> GetXmlToCursors(VfpExpression expression)
{
return(XmlToCursorExpressionGatherer.Gather(expression)
.Where(x => !x.CursorName.StartsWith(XmlToCursorMoveToInnerExpressionRewriter.CursorNamePrefix)) // TODO: figure out how to rewrite these as inner joins
.Select(x => new XmlToCursorData(x))
.Where(x => x.TableProperty != null)
.Select(x => x).ToList().AsReadOnly());
}
public static IEnumerable <XmlToCursorExpression> Gather(Expression expression)
{
var gatherer = new XmlToCursorExpressionGatherer();
if (expression == null)
{
return(gatherer._expressions.ToReadOnly());
}
gatherer.Visit(expression);
return(gatherer._expressions.ToReadOnly());
}
private static bool HasXmlToCursorExpression(Expression expression)
{
return(XmlToCursorExpressionGatherer.Gather(expression).Any());
}
public static IEnumerable<XmlToCursorExpression> Gather(Expression expression)
{
var gatherer = new XmlToCursorExpressionGatherer();
if (expression == null) {
return gatherer._expressions.ToReadOnly();
}
gatherer.Visit(expression);
return gatherer._expressions.ToReadOnly();
}
