void Write50_XmlSchemaKeyref(XmlSchemaKeyref o) {
if ((object)o == null) return;
System.Type t = o.GetType();
WriteStartElement("keyref");
WriteAttribute(@"id", @"", ((System.String)o.@Id));
WriteAttribute(@"name", @"", ((System.String)o.@Name));
WriteAttributes((XmlAttribute[])o.@UnhandledAttributes, o);
//
WriteAttribute(@"refer", @"", o.@Refer);
Write5_XmlSchemaAnnotation((XmlSchemaAnnotation)o.@Annotation);
Write49_XmlSchemaXPath(@"selector", @"", (XmlSchemaXPath)o.@Selector); {
XmlSchemaObjectCollection a = (XmlSchemaObjectCollection)o.@Fields;
if (a != null) {
for (int ia = 0; ia < a.Count; ia++) {
Write49_XmlSchemaXPath(@"field", @"", (XmlSchemaXPath)a[ia]);
}
}
}
WriteEndElement();
}
internal static XmlSchemaKeyref Read(XmlSchemaReader reader, ValidationEventHandler h)
{
XmlSchemaKeyref xmlSchemaKeyref = new XmlSchemaKeyref();
reader.MoveToElement();
if (reader.NamespaceURI != "http://www.w3.org/2001/XMLSchema" || reader.LocalName != "keyref")
{
XmlSchemaObject.error(h, "Should not happen :1: XmlSchemaKeyref.Read, name=" + reader.Name, null);
reader.Skip();
return(null);
}
xmlSchemaKeyref.LineNumber = reader.LineNumber;
xmlSchemaKeyref.LinePosition = reader.LinePosition;
xmlSchemaKeyref.SourceUri = reader.BaseURI;
while (reader.MoveToNextAttribute())
{
if (reader.Name == "id")
{
xmlSchemaKeyref.Id = reader.Value;
}
else if (reader.Name == "name")
{
xmlSchemaKeyref.Name = reader.Value;
}
else if (reader.Name == "refer")
{
Exception ex;
xmlSchemaKeyref.refer = XmlSchemaUtil.ReadQNameAttribute(reader, out ex);
if (ex != null)
{
XmlSchemaObject.error(h, reader.Value + " is not a valid value for refer attribute", ex);
}
}
else if ((reader.NamespaceURI == string.Empty && reader.Name != "xmlns") || reader.NamespaceURI == "http://www.w3.org/2001/XMLSchema")
{
XmlSchemaObject.error(h, reader.Name + " is not a valid attribute for keyref", null);
}
else
{
XmlSchemaUtil.ReadUnhandledAttribute(reader, xmlSchemaKeyref);
}
}
reader.MoveToElement();
if (reader.IsEmptyElement)
{
return(xmlSchemaKeyref);
}
int num = 1;
while (reader.ReadNextElement())
{
if (reader.NodeType == XmlNodeType.EndElement)
{
if (reader.LocalName != "keyref")
{
XmlSchemaObject.error(h, "Should not happen :2: XmlSchemaKeyref.Read, name=" + reader.Name, null);
}
break;
}
if (num <= 1 && reader.LocalName == "annotation")
{
num = 2;
XmlSchemaAnnotation xmlSchemaAnnotation = XmlSchemaAnnotation.Read(reader, h);
if (xmlSchemaAnnotation != null)
{
xmlSchemaKeyref.Annotation = xmlSchemaAnnotation;
}
}
else if (num <= 2 && reader.LocalName == "selector")
{
num = 3;
XmlSchemaXPath xmlSchemaXPath = XmlSchemaXPath.Read(reader, h, "selector");
if (xmlSchemaXPath != null)
{
xmlSchemaKeyref.Selector = xmlSchemaXPath;
}
}
else if (num <= 3 && reader.LocalName == "field")
{
num = 3;
if (xmlSchemaKeyref.Selector == null)
{
XmlSchemaObject.error(h, "selector must be defined before field declarations", null);
}
XmlSchemaXPath xmlSchemaXPath2 = XmlSchemaXPath.Read(reader, h, "field");
if (xmlSchemaXPath2 != null)
{
xmlSchemaKeyref.Fields.Add(xmlSchemaXPath2);
}
}
else
{
reader.RaiseInvalidElementError();
}
}
return(xmlSchemaKeyref);
}
private void ProcessReferenceKey (XmlSchemaElement element, XmlSchemaKeyref keyref)
{
// Basic concept came from XmlSchemaMapper.cs
string tableName = GetSelectorTarget (keyref.Selector.XPath);
DataColumn [] cols;
DataTable dt = dataset.Tables [tableName];
if (dt == null)
throw new DataException (String.Format ("Invalid XPath selection inside selector. Cannot find: {0}", tableName));
cols = new DataColumn [keyref.Fields.Count];
int i = 0;
foreach (XmlSchemaXPath Field in keyref.Fields) {
string colName = Field.XPath;
bool isAttr = colName.Length > 0 && colName [0] == '@';
int index = colName.LastIndexOf (':');
if (index > 0)
colName = colName.Substring (index + 1);
else if (isAttr)
colName = colName.Substring (1);
colName = XmlConvert.DecodeName (colName);
DataColumn col = dt.Columns [colName];
if (isAttr && col.ColumnMapping != MappingType.Attribute)
throw new DataException ("The XPath specified attribute field, but mapping type is not attribute.");
if (!isAttr && col.ColumnMapping != MappingType.Element)
throw new DataException ("The XPath specified simple element field, but mapping type is not simple element.");
cols [i] = col;
i++;
}
string name = keyref.Refer.Name;
// get the unique constraint for the releation
UniqueConstraint uniq = FindConstraint (name, element);
// generate the FK.
ForeignKeyConstraint fkc = new ForeignKeyConstraint(keyref.Name, uniq.Columns, cols);
dt.Constraints.Add (fkc);
// generate the relation.
DataRelation rel = new DataRelation (keyref.Name, uniq.Columns, cols, false);
if (keyref.UnhandledAttributes != null) {
foreach (XmlAttribute attr in keyref.UnhandledAttributes)
if (attr.LocalName == "IsNested" && attr.Value == "true" && attr.NamespaceURI == XmlConstants.MsdataNamespace)
rel.Nested = true;
}
rel.SetParentKeyConstraint (uniq);
rel.SetChildKeyConstraint (fkc);
dataset.Relations.Add (rel);
}
protected override void Visit(XmlSchemaKeyref keyref)
{
_writer.WriteConstraintRow(_context, ArtItem.KeyRef, "Key Reference", keyref);
}
private void ReserveRelationIdentity (XmlSchemaElement element, XmlSchemaKeyref keyref)
{
// Basic concept came from XmlSchemaMapper.cs
string tableName = GetSelectorTarget (keyref.Selector.XPath);
string [] cols = new string [keyref.Fields.Count];
bool [] isAttrSpec = new bool [cols.Length];
int i = 0;
foreach (XmlSchemaXPath Field in keyref.Fields) {
string colName = Field.XPath;
bool isAttr = colName.Length > 0 && colName [0] == '@';
int index = colName.LastIndexOf (':');
if (index > 0)
colName = colName.Substring (index + 1);
else if (isAttr)
colName = colName.Substring (1);
colName = XmlHelper.Decode (colName);
cols [i] = colName;
isAttrSpec [i] = isAttr;
i++;
}
string constraintName = keyref.Name;
bool isNested = false;
bool isConstraintOnly = false;
if (keyref.UnhandledAttributes != null) {
foreach (XmlAttribute attr in keyref.UnhandledAttributes) {
if (attr.NamespaceURI != XmlConstants.MsdataNamespace)
continue;
switch (attr.LocalName) {
case XmlConstants.ConstraintName:
constraintName = attr.Value;
break;
case XmlConstants.IsNested:
if (attr.Value == "true")
isNested = true;
break;
case XmlConstants.ConstraintOnly:
if (attr.Value == "true")
isConstraintOnly = true;
break;
}
}
}
reservedConstraints.Add (keyref, new ConstraintStructure (
tableName, cols, isAttrSpec, constraintName,
false, keyref.Refer.Name, isNested, isConstraintOnly));
}
public override void Check (ConformanceCheckContext ctx, XmlSchemaKeyref value)
{
CheckSchemaQName (ctx, value, value.Refer);
}
internal void HandleKeyref(XmlSchemaKeyref keyref) {
string refer = XmlConvert.DecodeName(keyref.Refer.Name); // check here!!!
string name = XmlConvert.DecodeName(keyref.Name);
name = GetStringAttribute( keyref, "ConstraintName", /*default:*/ name);
// we do not process key defined outside the current node
String tableName = GetTableName(keyref);
string tableNs = GetMsdataAttribute(keyref,Keywords.MSD_TABLENS);
DataTable table = _ds.Tables.GetTableSmart(tableName,tableNs);
if (table == null)
return;
if (refer == null || refer.Length == 0)
throw ExceptionBuilder.MissingRefer(name);
ConstraintTable key = (ConstraintTable) ConstraintNodes[refer];
if (key == null) {
throw ExceptionBuilder.InvalidKey(name);
}
DataColumn[] pKey = BuildKey(key.constraint, key.table);
DataColumn[] fKey = BuildKey(keyref, table);
ForeignKeyConstraint fkc = null;
if (GetBooleanAttribute(keyref, Keywords.MSD_CONSTRAINTONLY, /*default:*/ false)) {
int iExisting = fKey[0].Table.Constraints.InternalIndexOf(name);
if (iExisting > -1) {
if (fKey[0].Table.Constraints[iExisting].ConstraintName != name)
iExisting = -1;
}
if (iExisting < 0) {
fkc = new ForeignKeyConstraint( name, pKey, fKey );
fKey[0].Table.Constraints.Add(fkc);
}
}
else {
string relName = XmlConvert.DecodeName(GetStringAttribute( keyref, Keywords.MSD_RELATIONNAME, keyref.Name));
if (relName == null || relName.Length == 0)
relName = name;
int iExisting = fKey[0].Table.DataSet.Relations.InternalIndexOf(relName);
if (iExisting > -1) {
if (fKey[0].Table.DataSet.Relations[iExisting].RelationName != relName)
iExisting = -1;
}
DataRelation relation = null;
if (iExisting < 0) {
relation = new DataRelation(relName, pKey, fKey);
SetExtProperties(relation, keyref.UnhandledAttributes);
pKey[0].Table.DataSet.Relations.Add(relation);
if (FromInference && relation.Nested) {
if (tableDictionary.ContainsKey(relation.ParentTable)) {
tableDictionary[relation.ParentTable].Add(relation.ChildTable);
}
}
fkc = relation.ChildKeyConstraint;
fkc.ConstraintName = name;
}
else {
relation = fKey[0].Table.DataSet.Relations[iExisting];
}
if (GetBooleanAttribute(keyref, Keywords.MSD_ISNESTED, /*default:*/ false)) {
relation.Nested = true;
}
}
string acceptRejectRule = GetMsdataAttribute(keyref, Keywords.MSD_ACCEPTREJECTRULE);
string updateRule = GetMsdataAttribute(keyref, Keywords.MSD_UPDATERULE);
string deleteRule = GetMsdataAttribute(keyref, Keywords.MSD_DELETERULE);
if (fkc != null) {
if (acceptRejectRule != null)
fkc.AcceptRejectRule = TranslateAcceptRejectRule(acceptRejectRule);
if (updateRule != null)
fkc.UpdateRule = TranslateRule(updateRule);
if (deleteRule != null)
fkc.DeleteRule = TranslateRule(deleteRule);
SetExtProperties(fkc, keyref.UnhandledAttributes);
}
}
/*
internal new void error(ValidationEventHandler handle, string message)
{
errorCount++;
ValidationHandler.RaiseValidationError(handle, this, message);
}
*/
//<key
// id = ID
// name = NCName
// refer = QName
// {any attributes with non-schema namespace . . .}>
// Content: (annotation?, (selector, field+))
//</key>
internal static XmlSchemaKeyref Read(XmlSchemaReader reader, ValidationEventHandler h)
{
XmlSchemaKeyref keyref = new XmlSchemaKeyref();
reader.MoveToElement();
if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
{
error(h,"Should not happen :1: XmlSchemaKeyref.Read, name="+reader.Name,null);
reader.Skip();
return null;
}
keyref.LineNumber = reader.LineNumber;
keyref.LinePosition = reader.LinePosition;
keyref.SourceUri = reader.BaseURI;
while(reader.MoveToNextAttribute())
{
if(reader.Name == "id")
{
keyref.Id = reader.Value;
}
else if(reader.Name == "name")
{
keyref.Name = reader.Value;
}
else if(reader.Name == "refer")
{
Exception innerex;
keyref.refer = XmlSchemaUtil.ReadQNameAttribute(reader,out innerex);
if(innerex != null)
error(h, reader.Value + " is not a valid value for refer attribute",innerex);
}
else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
{
error(h,reader.Name + " is not a valid attribute for keyref",null);
}
else
{
XmlSchemaUtil.ReadUnhandledAttribute(reader,keyref);
}
}
reader.MoveToElement();
if(reader.IsEmptyElement)
return keyref;
// 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: XmlSchemaKeyref.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)
keyref.Annotation = annotation;
continue;
}
if(level <= 2 && reader.LocalName == "selector")
{
level = 3;
XmlSchemaXPath selector = XmlSchemaXPath.Read(reader,h,"selector");
if(selector != null)
keyref.Selector = selector;
continue;
}
if(level <= 3 && reader.LocalName == "field")
{
level = 3;
if(keyref.Selector == null)
error(h,"selector must be defined before field declarations",null);
XmlSchemaXPath field = XmlSchemaXPath.Read(reader,h,"field");
if(field != null)
keyref.Fields.Add(field);
continue;
}
reader.RaiseInvalidElementError();
}
return keyref;
}
public virtual void Check (ConformanceCheckContext ctx, XmlSchemaKeyref value) {}
private void Write50_XmlSchemaKeyref(XmlSchemaKeyref o)
{
if (o != null)
{
o.GetType();
this.WriteStartElement("keyref");
this.WriteAttribute("id", "", o.Id);
this.WriteAttribute("name", "", o.Name);
this.WriteAttributes(o.UnhandledAttributes, o);
this.WriteAttribute("refer", "", o.Refer);
this.Write5_XmlSchemaAnnotation(o.Annotation);
this.Write49_XmlSchemaXPath("selector", "", o.Selector);
XmlSchemaObjectCollection fields = o.Fields;
if (fields != null)
{
for (int i = 0; i < fields.Count; i++)
{
this.Write49_XmlSchemaXPath("field", "", (XmlSchemaXPath) fields[i]);
}
}
this.WriteEndElement();
}
}
/*
* internal new void error(ValidationEventHandler handle, string message)
* {
* errorCount++;
* ValidationHandler.RaiseValidationError(handle, this, message);
* }
*/
//<key
// id = ID
// name = NCName
// refer = QName
// {any attributes with non-schema namespace . . .}>
// Content: (annotation?, (selector, field+))
//</key>
internal static XmlSchemaKeyref Read(XmlSchemaReader reader, ValidationEventHandler h)
{
XmlSchemaKeyref keyref = new XmlSchemaKeyref();
reader.MoveToElement();
if (reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
{
error(h, "Should not happen :1: XmlSchemaKeyref.Read, name=" + reader.Name, null);
reader.Skip();
return(null);
}
keyref.LineNumber = reader.LineNumber;
keyref.LinePosition = reader.LinePosition;
keyref.SourceUri = reader.BaseURI;
while (reader.MoveToNextAttribute())
{
if (reader.Name == "id")
{
keyref.Id = reader.Value;
}
else if (reader.Name == "name")
{
keyref.Name = reader.Value;
}
else if (reader.Name == "refer")
{
Exception innerex;
keyref.refer = XmlSchemaUtil.ReadQNameAttribute(reader, out innerex);
if (innerex != null)
{
error(h, reader.Value + " is not a valid value for refer attribute", innerex);
}
}
else if ((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
{
error(h, reader.Name + " is not a valid attribute for keyref", null);
}
else
{
XmlSchemaUtil.ReadUnhandledAttribute(reader, keyref);
}
}
reader.MoveToElement();
if (reader.IsEmptyElement)
{
return(keyref);
}
// 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: XmlSchemaKeyref.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)
{
keyref.Annotation = annotation;
}
continue;
}
if (level <= 2 && reader.LocalName == "selector")
{
level = 3;
XmlSchemaXPath selector = XmlSchemaXPath.Read(reader, h, "selector");
if (selector != null)
{
keyref.Selector = selector;
}
continue;
}
if (level <= 3 && reader.LocalName == "field")
{
level = 3;
if (keyref.Selector == null)
{
error(h, "selector must be defined before field declarations", null);
}
XmlSchemaXPath field = XmlSchemaXPath.Read(reader, h, "field");
if (field != null)
{
keyref.Fields.Add(field);
}
continue;
}
reader.RaiseInvalidElementError();
}
return(keyref);
}
protected virtual void Visit(XmlSchemaKeyref keyref)
{
Traverse(keyref.Selector);
Traverse(keyref.Fields);
}
private void Write51_XmlSchemaKeyref(string n, string ns, XmlSchemaKeyref o, bool isNullable, bool needType)
{
if (o == null)
{
if (isNullable)
{
base.WriteNullTagLiteral(n, ns);
}
}
else
{
if (!needType && !(o.GetType() == typeof(XmlSchemaKeyref)))
{
throw base.CreateUnknownTypeException(o);
}
base.EscapeName = false;
base.WriteStartElement(n, ns, o, false, o.Namespaces);
if (needType)
{
base.WriteXsiType("XmlSchemaKeyref", "http://www.w3.org/2001/XMLSchema");
}
base.WriteAttribute("id", "", o.Id);
XmlAttribute[] unhandledAttributes = o.UnhandledAttributes;
if (unhandledAttributes != null)
{
for (int i = 0; i < unhandledAttributes.Length; i++)
{
XmlAttribute node = unhandledAttributes[i];
base.WriteXmlAttribute(node, o);
}
}
base.WriteAttribute("name", "", o.Name);
base.WriteAttribute("refer", "", base.FromXmlQualifiedName(o.Refer));
this.Write11_XmlSchemaAnnotation("annotation", "http://www.w3.org/2001/XMLSchema", o.Annotation, false, false);
this.Write47_XmlSchemaXPath("selector", "http://www.w3.org/2001/XMLSchema", o.Selector, false, false);
XmlSchemaObjectCollection fields = o.Fields;
if (fields != null)
{
for (int j = 0; j < fields.Count; j++)
{
this.Write47_XmlSchemaXPath("field", "http://www.w3.org/2001/XMLSchema", (XmlSchemaXPath) fields[j], false, false);
}
}
base.WriteEndElement(o);
}
}
internal void HandleKeyref(XmlSchemaKeyref keyref)
{
string str3 = XmlConvert.DecodeName(keyref.Refer.Name);
string defVal = XmlConvert.DecodeName(keyref.Name);
defVal = this.GetStringAttribute(keyref, "ConstraintName", defVal);
string tableName = this.GetTableName(keyref);
string msdataAttribute = GetMsdataAttribute(keyref, "TableNamespace");
DataTable tableSmart = this._ds.Tables.GetTableSmart(tableName, msdataAttribute);
if (tableSmart != null)
{
if ((str3 == null) || (str3.Length == 0))
{
throw ExceptionBuilder.MissingRefer(defVal);
}
ConstraintTable table = (ConstraintTable) this.ConstraintNodes[str3];
if (table == null)
{
throw ExceptionBuilder.InvalidKey(defVal);
}
DataColumn[] parentColumns = this.BuildKey(table.constraint, table.table);
DataColumn[] childColumns = this.BuildKey(keyref, tableSmart);
ForeignKeyConstraint childKeyConstraint = null;
if (this.GetBooleanAttribute(keyref, "ConstraintOnly", false))
{
int num2 = childColumns[0].Table.Constraints.InternalIndexOf(defVal);
if ((num2 > -1) && (childColumns[0].Table.Constraints[num2].ConstraintName != defVal))
{
num2 = -1;
}
if (num2 < 0)
{
childKeyConstraint = new ForeignKeyConstraint(defVal, parentColumns, childColumns);
childColumns[0].Table.Constraints.Add(childKeyConstraint);
}
}
else
{
string name = XmlConvert.DecodeName(this.GetStringAttribute(keyref, "RelationName", keyref.Name));
if ((name == null) || (name.Length == 0))
{
name = defVal;
}
int num = childColumns[0].Table.DataSet.Relations.InternalIndexOf(name);
if ((num > -1) && (childColumns[0].Table.DataSet.Relations[num].RelationName != name))
{
num = -1;
}
DataRelation instance = null;
if (num < 0)
{
instance = new DataRelation(name, parentColumns, childColumns);
SetExtProperties(instance, keyref.UnhandledAttributes);
parentColumns[0].Table.DataSet.Relations.Add(instance);
if ((this.FromInference && instance.Nested) && this.tableDictionary.ContainsKey(instance.ParentTable))
{
this.tableDictionary[instance.ParentTable].Add(instance.ChildTable);
}
childKeyConstraint = instance.ChildKeyConstraint;
childKeyConstraint.ConstraintName = defVal;
}
else
{
instance = childColumns[0].Table.DataSet.Relations[num];
}
if (this.GetBooleanAttribute(keyref, "IsNested", false))
{
instance.Nested = true;
}
}
string strRule = GetMsdataAttribute(keyref, "AcceptRejectRule");
string str5 = GetMsdataAttribute(keyref, "UpdateRule");
string str4 = GetMsdataAttribute(keyref, "DeleteRule");
if (childKeyConstraint != null)
{
if (strRule != null)
{
childKeyConstraint.AcceptRejectRule = TranslateAcceptRejectRule(strRule);
}
if (str5 != null)
{
childKeyConstraint.UpdateRule = TranslateRule(str5);
}
if (str4 != null)
{
childKeyConstraint.DeleteRule = TranslateRule(str4);
}
SetExtProperties(childKeyConstraint, keyref.UnhandledAttributes);
}
}
}