public bool MoveToFirstChild(string nameFilter = null)
{
ScopedNavigator me = null;
if (this.AtResource)
{
me = (ScopedNavigator)this.Clone();
// Is the current position not a contained resource?
if (Parent?.ContainedResources().FirstOrDefault() == null)
{
ResourceContext = _wrapped.Clone();
}
}
if (!_wrapped.MoveToFirstChild(nameFilter))
{
return(false);
}
// If the current position is a resource, we'll be the new _parentScope
if (me != null)
{
Parent = me;
}
_cache = new Cache();
return(true);
}
public bool MoveToFirstChild(string nameFilter = null)
{
bool exists = _navigator.MoveToFirstChild(nameFilter);
if (exists)
{
_index = 0;
}
return(exists);
}
public bool MoveToFirstChild()
{
bool exists = _navigator.MoveToFirstChild();
if (exists)
{
_index = 0;
}
return(exists);
}
// Generate summary for a single artifact
static ArtifactSummary generate(
ArtifactSummaryPropertyBag props,
IElementNavigator nav,
ArtifactSummaryHarvester[] harvesters)
{
Exception error = null;
// [WMR 20180419] Support empty harvester list (harvest only default props, no custom props)
if (harvesters != null && harvesters.Length > 0)
{
try
{
// Harvest summary information via specified harvesters
// Top-level harvesters receive navigator positioned on the first child element level
// Catch individual exceptions inside loop, return as AggregateException
var errors = new List <Exception>();
if (nav.MoveToFirstChild())
{
foreach (var harvester in harvesters)
{
try
{
if (harvester != null && harvester.Invoke(nav, props))
{
break;
}
}
// TODO Catch specific exceptions
// catch (FormatException)
catch (Exception ex)
{
errors.Add(ex);
}
}
}
// Combine all errors into single AggregateException
error = errors.Count > 0 ? new AggregateException(errors) : null;
}
// TODO Catch specific exceptions
// catch (FormatException)
// catch (NotSupportedException)
catch (Exception ex)
{
// Error in summary factory?
// Make sure we always return a valid summary
error = ex;
}
}
// Create final summary from harvested properties and optional error
return(new ArtifactSummary(props, error));
}
public bool MoveToFirstChild(string nameFilter = null)
{
ScopedNavigator me = null;
if (this.AtResource)
{
me = (ScopedNavigator)this.Clone();
}
if (!_wrapped.MoveToFirstChild(nameFilter))
{
return(false);
}
// If the current position is a resource, we'll be the new _parentScope
if (me != null)
{
Parent = me;
}
_cache = new Cache();
return(true);
}
public bool MoveToFirstChild(string nameFilter = null) => _current.MoveToFirstChild(nameFilter);