/*
* internal new void error(ValidationEventHandler handle, string message)
* {
* errorCount++;
* ValidationHandler.RaiseValidationError(handle, this, message);
* }
*/
//<unique
// id = ID
// name = NCName
// {any attributes with non-schema namespace . . .}>
// Content: (annotation?, (selector, field+))
//</unique>
internal static XmlSchemaUnique Read(XmlSchemaReader reader, ValidationEventHandler h)
{
XmlSchemaUnique unique = new XmlSchemaUnique();
reader.MoveToElement();
if (reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
{
error(h, "Should not happen :1: XmlSchemaUnique.Read, name=" + reader.Name, null);
reader.Skip();
return(null);
}
unique.LineNumber = reader.LineNumber;
unique.LinePosition = reader.LinePosition;
unique.SourceUri = reader.BaseURI;
while (reader.MoveToNextAttribute())
{
if (reader.Name == "id")
{
unique.Id = reader.Value;
}
else if (reader.Name == "name")
{
unique.Name = reader.Value;
}
else if ((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
{
error(h, reader.Name + " is not a valid attribute for unique", null);
}
else
{
XmlSchemaUtil.ReadUnhandledAttribute(reader, unique);
}
}
reader.MoveToElement();
if (reader.IsEmptyElement)
{
return(unique);
}
// Content: annotation?, selector, field+
int level = 1;
while (reader.ReadNextElement())
{
if (reader.NodeType == XmlNodeType.EndElement)
{
if (reader.LocalName != xmlname)
{
error(h, "Should not happen :2: XmlSchemaUnion.Read, name=" + reader.Name, null);
}
break;
}
if (level <= 1 && reader.LocalName == "annotation")
{
level = 2; //Only one annotation
XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader, h);
if (annotation != null)
{
unique.Annotation = annotation;
}
continue;
}
if (level <= 2 && reader.LocalName == "selector")
{
level = 3;
XmlSchemaXPath selector = XmlSchemaXPath.Read(reader, h, "selector");
if (selector != null)
{
unique.Selector = selector;
}
continue;
}
if (level <= 3 && reader.LocalName == "field")
{
level = 3;
if (unique.Selector == null)
{
error(h, "selector must be defined before field declarations", null);
}
XmlSchemaXPath field = XmlSchemaXPath.Read(reader, h, "field");
if (field != null)
{
unique.Fields.Add(field);
}
continue;
}
reader.RaiseInvalidElementError();
}
return(unique);
}
/// <remarks>
/// 1. name must be present
/// 2. selector and field must be present
/// </remarks>
internal override int Compile(ValidationEventHandler h, XmlSchema schema)
{
// If this is already compiled this time, simply skip.
if (CompilationId == schema.CompilationId)
{
return(0);
}
if (Name == null)
{
error(h, "Required attribute name must be present");
}
else if (!XmlSchemaUtil.CheckNCName(this.name))
{
error(h, "attribute name must be NCName");
}
else
{
this.qName = new XmlQualifiedName(Name, AncestorSchema.TargetNamespace);
if (schema.NamedIdentities.Contains(qName))
{
XmlSchemaIdentityConstraint existing =
schema.NamedIdentities [qName] as XmlSchemaIdentityConstraint;
error(h, String.Format("There is already same named identity constraint in this namespace. Existing item is at {0}({1},{2})", existing.SourceUri, existing.LineNumber, existing.LinePosition));
}
else
{
schema.NamedIdentities.Add(qName, this);
}
}
if (Selector == null)
{
error(h, "selector must be present");
}
else
{
Selector.isSelector = true;
errorCount += Selector.Compile(h, schema);
if (selector.errorCount == 0)
{
compiledSelector = new XsdIdentitySelector(Selector);
}
}
if (errorCount > 0)
{
return(errorCount); // fatal
}
if (Fields.Count == 0)
{
error(h, "atleast one field value must be present");
}
else
{
for (int i = 0; i < Fields.Count; i++)
{
XmlSchemaXPath field = Fields [i] as XmlSchemaXPath;
if (field != null)
{
errorCount += field.Compile(h, schema);
if (field.errorCount == 0)
{
this.compiledSelector.AddField(new XsdIdentityField(field, i));
}
}
else
{
error(h, "Object of type " + Fields [i].GetType() + " is invalid in the Fields Collection");
}
}
}
XmlSchemaUtil.CompileID(Id, this, schema.IDCollection, h);
this.CompilationId = schema.CompilationId;
return(errorCount);
}
//<selector
// id = ID
// xpath = a subset of XPath expression, see below
// {any attributes with non-schema namespace . . .}>
// Content: (annotation?)
//</selector>
internal static XmlSchemaXPath Read(XmlSchemaReader reader, ValidationEventHandler h, string name)
{
XmlSchemaXPath path = new XmlSchemaXPath();
reader.MoveToElement();
if (reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != name)
{
error(h, "Should not happen :1: XmlSchemaComplexContentRestriction.Read, name=" + reader.Name, null);
reader.Skip();
return(null);
}
path.LineNumber = reader.LineNumber;
path.LinePosition = reader.LinePosition;
path.SourceUri = reader.BaseURI;
XmlNamespaceManager currentMgr = XmlSchemaUtil.GetParserContext(reader.Reader).NamespaceManager;
if (currentMgr != null)
{
path.nsmgr = new XmlNamespaceManager(reader.NameTable);
IEnumerator e = currentMgr.GetEnumerator();
while (e.MoveNext())
{
string prefix = e.Current as string;
switch (prefix)
{
case "xml":
case "xmlns":
continue;
default:
path.nsmgr.AddNamespace(prefix, currentMgr.LookupNamespace(prefix, false));
break;
}
}
}
while (reader.MoveToNextAttribute())
{
if (reader.Name == "id")
{
path.Id = reader.Value;
}
else if (reader.Name == "xpath")
{
path.xpath = reader.Value;
}
else if ((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
{
error(h, reader.Name + " is not a valid attribute for " + name, null);
}
else
{
XmlSchemaUtil.ReadUnhandledAttribute(reader, path);
}
}
reader.MoveToElement();
if (reader.IsEmptyElement)
{
return(path);
}
// Content: (annotation?)
int level = 1;
while (reader.ReadNextElement())
{
if (reader.NodeType == XmlNodeType.EndElement)
{
if (reader.LocalName != name)
{
error(h, "Should not happen :2: XmlSchemaXPath.Read, name=" + reader.Name, null);
}
break;
}
if (level <= 1 && reader.LocalName == "annotation")
{
level = 2; //Only one annotation
XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader, h);
if (annotation != null)
{
path.Annotation = annotation;
}
continue;
}
reader.RaiseInvalidElementError();
}
return(path);
}
