public virtual bool PassesValidation(System.Xml.Linq.XObject node, out string details)
{
if (null == node)
{
throw new ArgumentNullException("node");
}
string value;
if (node is XAttribute)
{
value = (node as XAttribute).Value;
}
else if (node is XElement)
{
value = (node as XElement).Value;
}
else
{
throw new NotImplementedException("The node type" + node.GetType() + " was not expected");
}
return(this.PassesValidation(value, out details));
}
public override bool PassesValidation(System.Xml.Linq.XObject input, out string details)
{
details = null;
if (null == input)
{
throw new ArgumentNullException("input");
}
string value;
if (input is XElement)
{
value = (input as XElement).Value;
}
else if (input is XAttribute)
{
value = (input as XAttribute).Value;
}
else
{
throw new ArgumentException("The input parameter type " + input.GetType().FullName + " was not expected", "input");
}
int count;
IEnumerable <XElement> same;
switch (this.UniqueAcross)
{
case UniqueAcrossTypes.Document:
if (null == input.Document)
{
throw new ArgumentException("The XElement must be associated with an XDocument", "input");
}
same = input.Document.XPathSelectElements(this.XPathSelector, this.NamespaceManager)
.Where(xe => xe.Value == value);
count = same.Count();
if (count == 1)
{
return(true);
}
else
{
details = String.Format
(
"There are {0} element{2} with the identifier {1} (on line{2} ",
count,
value,
count == 1 ? String.Empty : "s"
);
bool firstItem = true;
foreach (System.Xml.Linq.XElement xe in same)
{
if (false == (xe is IXmlLineInfo))
{
continue;
}
if (firstItem == false)
{
details += ", ";
}
else
{
firstItem = false;
};
details += (xe as IXmlLineInfo).LineNumber.ToString();
}
details += ")";
return(false);
}
case UniqueAcrossTypes.Context:
if (null == input.Document)
{
throw new ArgumentException("The XElement must be associated with an XDocument", "input");
}
XNode root = input.Document;
// Is this an identifier inside a provider inside a venue? Because we need to handle it differently if it is...
var isIdentifierInsideProvider = (
(input.Parent.Name.LocalName == "provider")
&&
(input.Parent.Name.NamespaceName == "http://xcri.org/profiles/1.2/catalog")
);
if (
isIdentifierInsideProvider
&&
(input.Parent.Parent.Name.LocalName == "venue")
&&
(input.Parent.Parent.Name.NamespaceName == "http://xcri.org/profiles/1.2/catalog")
)
{
// For providers inside venue, only worry about the id being unique within this presentation
root = XDocument.Parse(input.Parent.Parent.Parent.OuterXml()); // To the presentation!
}
// If this is a qualification then the identifier must be unique within the course
if (
(input.Parent.Name.LocalName == "qualification")
&&
(input.Parent.Name.NamespaceName == "http://purl.org/net/mlo")
)
{
root = XDocument.Parse(input.Parent.Parent.OuterXml());
}
same = root.XPathSelectElements(this.XPathSelector, this.NamespaceManager)
.Where(xe => xe.Value == value)
.Where(xe => xe.Parent.Name.LocalName == input.Parent.Name.LocalName)
.Where(xe => xe.Parent.Name.NamespaceName == input.Parent.Name.NamespaceName);
if (
isIdentifierInsideProvider
&&
!((input.Parent.Parent.Name.LocalName == "venue") && (input.Parent.Parent.Name.NamespaceName == "http://xcri.org/profiles/1.2/catalog"))
)
{
// For providers outside venue, ignore matches that exist within venues!
same = same
.Where(xe => xe.Parent.Parent.Name.LocalName != "venue")
.Where(xe => xe.Parent.Parent.Name.NamespaceName == "http://xcri.org/profiles/1.2/catalog");
}
count = same.Count();
if (count == 1)
{
return(true);
}
else
{
details = String.Format
(
"There are {0} element{2} with the identifier {1} (on line{2} ",
count,
value,
count == 1 ? String.Empty : "s"
);
bool firstItem = true;
foreach (System.Xml.Linq.XElement xe in same)
{
if (false == (xe is IXmlLineInfo))
{
continue;
}
if (firstItem == false)
{
details += ", ";
}
else
{
firstItem = false;
};
details += (xe as IXmlLineInfo).LineNumber.ToString();
}
details += ")";
return(false);
}
default:
throw new NotImplementedException();
}
}
public override bool PassesValidation(System.Xml.Linq.XObject input, out string details)
{
details = null;
if (null == input)
{
throw new ArgumentNullException("input");
}
string value;
if (input is XElement)
{
value = (input as XElement).Value;
}
else
{
throw new ArgumentException("The input parameter type " + input.GetType().FullName + " was not expected", "input");
}
switch (this.EnforcementType)
{
case EnforcementTypes.ForceEmpty:
if (false == String.IsNullOrWhiteSpace(value))
{
details = String.Format
(
"Element has a value of '{0}'",
value
);
return(false);
}
if ((input as XElement).DescendantNodes().Count() > 0)
{
details = String.Format
(
"Element has {0} children (none allowed)",
(input as XElement).DescendantNodes().Count()
);
return(false);
}
return(true);
case EnforcementTypes.ForceNotEmpty:
if (String.IsNullOrWhiteSpace(value))
{
details = "Element has no value when one was expected";
return(false);
}
if ((input as XElement).DescendantNodes().Count() == 0)
{
details = String.Format
(
"Element has 0 child nodes when they were expected",
(input as XElement).DescendantNodes().Count()
);
return(false);
}
return(true);
default:
throw new NotImplementedException();
}
}
public override bool PassesValidation(System.Xml.Linq.XObject node, out string details)
{
if (null == node)
{
throw new ArgumentNullException("node");
}
if (false == (node is XElement))
{
throw new NotImplementedException("The node type" + node.GetType() + " was not expected");
}
details = null;
node = node as XElement;
var languageCounts = this.GetLanguageCounts
(
((node as XElement).XPathEvaluate(this.ChildElementSelector, this.NamespaceManager) as System.Collections.IEnumerable).Cast <XObject>()
);
var languageCountsBelowMinimum = languageCounts.Where((k) =>
{
if (this.Minimum.HasValue)
{
return(k.Value < this.Minimum.Value);
}
return(false);
});
var languageCountsAboveMaximum = languageCounts.Where((k) =>
{
if (this.Maximum.HasValue)
{
return(k.Value > this.Maximum.Value);
}
return(false);
});
// None below min or above max?
if (
0 == languageCountsBelowMinimum.Count()
&&
0 == languageCountsAboveMaximum.Count()
)
{
return(true);
}
details = String.Format
(
"The '{0}' element contained some invalid children:{1}",
(node as XElement).Name,
System.Environment.NewLine
);
foreach (var kvp in languageCountsBelowMinimum)
{
details += String.Format
(
"There were {0} elements with the language {1}, which was below the minimum expected of {2}.{3}",
kvp.Value,
kvp.Key,
this.Minimum.Value,
System.Environment.NewLine
);
}
foreach (var kvp in languageCountsAboveMaximum)
{
details += String.Format
(
"There were {0} elements with the language {1}, which was above the maximum expected of {2}.{3}",
kvp.Value,
kvp.Key,
this.Maximum.Value,
System.Environment.NewLine
);
}
return(false);
}