/// <summary>
/// Copies the <see cref='QualifiedNameCollection'/> values to a one-dimensional <see cref='Array'/> instance at the
/// specified index.
/// </summary>
/// <param name='array'>The one-dimensional <see cref='Array'/> that is the destination of the values copied from <see cref='QualifiedNameCollection'/>.</param>
/// <param name='index'>The index in <paramref name='array'/> where copying begins.</param>
/// <exception cref='ArgumentException'>
/// <para><paramref name='array'/> is multidimensional.</para>
/// <para>-or-</para>
/// <para>The number of elements in the <see cref='QualifiedNameCollection'/> is greater than
/// the available space between <paramref name='index'/> and the end of
/// <paramref name='array'/>.</para>
/// </exception>
/// <exception cref='ArgumentNullException'><paramref name='array'/> is <see langword='null'/>. </exception>
/// <exception cref='ArgumentOutOfRangeException'><paramref name='index'/> is less than <paramref name='array'/>'s lowbound. </exception>
/// <seealso cref='Array'/>
public void CopyTo(QualifiedName[] array, int index)
{
List.CopyTo(array, index);
}
/// <summary>
/// Copies the elements of an array to the end of the <see cref='QualifiedNameCollection'/>.
/// </summary>
/// <param name='val'>
/// An array of type <see cref='QualifiedName'/> containing the objects to add to the collection.
/// </param>
/// <seealso cref='QualifiedNameCollection.Add'/>
public void AddRange(QualifiedName[] val)
{
for (int i = 0; i < val.Length; i++)
{
this.Add(val[i]);
}
}
/// <summary>
/// Gets a value indicating whether the
/// <see cref='QualifiedNameCollection'/> contains the specified <see cref='QualifiedName'/>.
/// </summary>
/// <param name='val'>The <see cref='QualifiedName'/> to locate.</param>
/// <returns>
/// <see langword='true'/> if the <see cref='QualifiedName'/> is contained in the collection;
/// otherwise, <see langword='false'/>.
/// </returns>
/// <seealso cref='QualifiedNameCollection.IndexOf'/>
public bool Contains(QualifiedName val)
{
return List.Contains(val);
}
XmlSchemaElement FindElement(XmlSchemaGroupRef groupRef, QualifiedName name)
{
XmlSchemaElement matchedElement = null;
XmlSchemaGroup group = FindGroup(groupRef.RefName.Name);
if (group != null)
{
XmlSchemaSequence sequence = group.Particle as XmlSchemaSequence;
XmlSchemaChoice choice = group.Particle as XmlSchemaChoice;
if (sequence != null)
{
matchedElement = FindElement(sequence.Items, name);
}
else if (choice != null)
{
matchedElement = FindElement(choice.Items, name);
}
}
return matchedElement;
}
/// <summary>
/// Adds a <see cref='QualifiedName'/> with the specified value to the
/// <see cref='QualifiedNameCollection'/>.
/// </summary>
/// <param name='val'>The <see cref='QualifiedName'/> to add.</param>
/// <returns>The index at which the new element was inserted.</returns>
public int Add(QualifiedName val)
{
return List.Add(val);
}
/// <summary>
/// Removes a specific <see cref='QualifiedName'/> from the <see cref='QualifiedNameCollection'/>.
/// </summary>
/// <param name='val'>The <see cref='QualifiedName'/> to remove from the <see cref='QualifiedNameCollection'/>.</param>
/// <exception cref='ArgumentException'><paramref name='val'/> is not found in the Collection.</exception>
public void Remove(QualifiedName val)
{
List.Remove(val);
}
/// <summary>
/// Gets the parent element path based on the index position. This
/// method does not compact the path so it will include all elements
/// including those in another namespace in the path.
/// </summary>
static XmlElementPath GetFullParentElementPath(string xml, QualifiedNameCollection namespaces)
{
XmlElementPath path = new XmlElementPath();
IDictionary<string, string> namespacesInScope = null;
using (StringReader reader = new StringReader(xml))
{
using (XmlTextReader xmlReader = new XmlTextReader(reader))
{
try
{
xmlReader.XmlResolver = null; // prevent XmlTextReader from loading external DTDs
while (xmlReader.Read())
{
switch (xmlReader.NodeType)
{
case XmlNodeType.Element:
if (!xmlReader.IsEmptyElement)
{
QualifiedName elementName = new QualifiedName(xmlReader.LocalName, xmlReader.NamespaceURI, xmlReader.Prefix);
path.Elements.Add(elementName);
}
break;
case XmlNodeType.EndElement:
path.Elements.RemoveLast();
break;
}
}
}
catch (XmlException)
{
namespacesInScope = xmlReader.GetNamespacesInScope(XmlNamespaceScope.All);
}
}
}
// Add namespaces in scope for the last element read.
if (namespacesInScope != null)
{
foreach (KeyValuePair<string, string> ns in namespacesInScope)
{
namespaces.Add(new QualifiedName(String.Empty, ns.Value, ns.Key));
}
}
return path;
}
XmlSchemaElement FindChildElement(XmlSchemaComplexType complexType, QualifiedName name)
{
XmlSchemaElement matchedElement = null;
XmlSchemaSequence sequence = complexType.Particle as XmlSchemaSequence;
XmlSchemaChoice choice = complexType.Particle as XmlSchemaChoice;
XmlSchemaGroupRef groupRef = complexType.Particle as XmlSchemaGroupRef;
XmlSchemaAll all = complexType.Particle as XmlSchemaAll;
XmlSchemaComplexContent complexContent = complexType.ContentModel as XmlSchemaComplexContent;
if (sequence != null)
{
matchedElement = FindElement(sequence.Items, name);
}
else if (choice != null)
{
matchedElement = FindElement(choice.Items, name);
}
else if (complexContent != null)
{
XmlSchemaComplexContentExtension extension = complexContent.Content as XmlSchemaComplexContentExtension;
XmlSchemaComplexContentRestriction restriction = complexContent.Content as XmlSchemaComplexContentRestriction;
if (extension != null)
{
matchedElement = FindChildElement(extension, name);
}
else if (restriction != null)
{
matchedElement = FindChildElement(restriction, name);
}
}
else if (groupRef != null)
{
matchedElement = FindElement(groupRef, name);
}
else if (all != null)
{
matchedElement = FindElement(all.Items, name);
}
return matchedElement;
}
/// <summary>
/// Finds the named child element contained in the extension element.
/// </summary>
XmlSchemaElement FindChildElement(XmlSchemaComplexContentExtension extension, QualifiedName name)
{
XmlSchemaElement matchedElement = null;
XmlSchemaComplexType complexType = FindNamedType(schema, extension.BaseTypeName);
if (complexType != null)
{
matchedElement = FindChildElement(complexType, name);
if (matchedElement == null)
{
XmlSchemaSequence sequence = extension.Particle as XmlSchemaSequence;
XmlSchemaChoice choice = extension.Particle as XmlSchemaChoice;
XmlSchemaGroupRef groupRef = extension.Particle as XmlSchemaGroupRef;
if (sequence != null)
{
matchedElement = FindElement(sequence.Items, name);
}
else if (choice != null)
{
matchedElement = FindElement(choice.Items, name);
}
else if (groupRef != null)
{
matchedElement = FindElement(groupRef, name);
}
}
}
return matchedElement;
}
/// <summary>
/// Finds an element in the schema.
/// </summary>
/// <remarks>
/// Only looks at the elements that are defined in the
/// root of the schema so it will not find any elements
/// that are defined inside any complex types.
/// </remarks>
public XmlSchemaElement FindElement(QualifiedName name)
{
foreach (XmlSchemaElement element in schema.Elements.Values)
{
if (name.Equals(element.QualifiedName))
{
return element;
}
}
return null;
}
/// <summary>
/// Finds an element that matches the specified <paramref name="name"/>
/// from the children of the given <paramref name="element"/>.
/// </summary>
XmlSchemaElement FindChildElement(XmlSchemaElement element, QualifiedName name)
{
XmlSchemaElement matchedElement = null;
XmlSchemaComplexType complexType = GetElementAsComplexType(element);
if (complexType != null)
{
matchedElement = FindChildElement(complexType, name);
}
return matchedElement;
}
/// <summary>
/// Finds the complex type with the specified name.
/// </summary>
public XmlSchemaComplexType FindComplexType(QualifiedName name)
{
XmlQualifiedName qualifiedName = new XmlQualifiedName(name.Name, name.Namespace);
return FindNamedType(schema, qualifiedName);
}
/// <summary>
/// Looks for the substitution group element of the specified name.
/// </summary>
XmlSchemaElement FindSubstitutionGroupElement(XmlQualifiedName group, QualifiedName name)
{
XmlSchemaElement matchedElement = null;
foreach (XmlSchemaElement element in schema.Elements.Values)
{
if (element.SubstitutionGroup == group)
{
if (element.Name != null)
{
if (element.Name == name.Name)
{
matchedElement = element;
break;
}
}
}
}
return matchedElement;
}
/// <summary>
/// Returns a name and its prefix.
/// </summary>
static QualifiedName GetQualifiedName(string name)
{
if (name.Length == 0)
{
return null;
}
QualifiedName qualifiedName = new QualifiedName();
int prefixIndex = name.IndexOf(':');
if (prefixIndex > 0)
{
qualifiedName.Prefix = name.Substring(0, prefixIndex);
qualifiedName.Name = name.Substring(prefixIndex + 1);
}
else
{
qualifiedName.Name = name;
}
return qualifiedName;
}
/// <summary>
/// Returns the index of a <see cref='QualifiedName'/> in
/// the <see cref='QualifiedNameCollection'/>.
/// </summary>
/// <param name='val'>The <see cref='QualifiedName'/> to locate.</param>
/// <returns>
/// The index of the <see cref='QualifiedName'/> of <paramref name='val'/> in the
/// <see cref='QualifiedNameCollection'/>, if found; otherwise, -1.
/// </returns>
/// <seealso cref='QualifiedNameCollection.Contains'/>
public int IndexOf(QualifiedName val)
{
return List.IndexOf(val);
}
/// <summary>
/// Finds the named child element contained in the restriction element.
/// </summary>
XmlSchemaElement FindChildElement(XmlSchemaComplexContentRestriction restriction, QualifiedName name)
{
XmlSchemaElement matchedElement = null;
XmlSchemaSequence sequence = restriction.Particle as XmlSchemaSequence;
XmlSchemaGroupRef groupRef = restriction.Particle as XmlSchemaGroupRef;
if (sequence != null)
{
matchedElement = FindElement(sequence.Items, name);
}
else if (groupRef != null)
{
matchedElement = FindElement(groupRef, name);
}
return matchedElement;
}
/// <summary>
/// Inserts a <see cref='QualifiedName'/> into the <see cref='QualifiedNameCollection'/> at the specified index.
/// </summary>
/// <param name='index'>The zero-based index where <paramref name='val'/> should be inserted.</param>
/// <param name='val'>The <see cref='QualifiedName'/> to insert.</param>
/// <seealso cref='QualifiedNameCollection.Add'/>
public void Insert(int index, QualifiedName val)
{
List.Insert(index, val);
}
/// <summary>
/// Finds the element in the collection of schema objects.
/// </summary>
XmlSchemaElement FindElement(XmlSchemaObjectCollection items, QualifiedName name)
{
XmlSchemaElement matchedElement = null;
foreach (XmlSchemaObject schemaObject in items)
{
XmlSchemaElement element = schemaObject as XmlSchemaElement;
XmlSchemaSequence sequence = schemaObject as XmlSchemaSequence;
XmlSchemaChoice choice = schemaObject as XmlSchemaChoice;
XmlSchemaGroupRef groupRef = schemaObject as XmlSchemaGroupRef;
if (element != null)
{
if (element.Name != null)
{
if (name.Name == element.Name)
{
matchedElement = element;
}
}
else if (element.RefName != null)
{
if (name.Name == element.RefName.Name)
{
matchedElement = FindElement(element.RefName);
}
else
{
// Abstract element?
XmlSchemaElement abstractElement = FindElement(element.RefName);
if (abstractElement != null && abstractElement.IsAbstract)
{
matchedElement = FindSubstitutionGroupElement(abstractElement.QualifiedName, name);
}
}
}
}
else if (sequence != null)
{
matchedElement = FindElement(sequence.Items, name);
}
else if (choice != null)
{
matchedElement = FindElement(choice.Items, name);
}
else if (groupRef != null)
{
matchedElement = FindElement(groupRef, name);
}
// Did we find a match?
if (matchedElement != null)
{
break;
}
}
return matchedElement;
}
/// <summary>
/// Initializes a new instance of <see cref='QualifiedNameCollection'/> containing any array of <see cref='QualifiedName'/> objects.
/// </summary>
/// <param name='val'>
/// A array of <see cref='QualifiedName'/> objects with which to intialize the collection
/// </param>
public QualifiedNameCollection(QualifiedName[] val)
{
this.AddRange(val);
}
/// <summary>
/// Returns the qualified name as a string. If the name has a
/// prefix then it returns "prefix:element" otherwise it returns
/// just the element name.
/// </summary>
static string GetElementToString(QualifiedName name)
{
if (name.Prefix.Length > 0)
{
return name.Prefix + ":" + name.Name;
}
return name.Name;
}
