/// <summary> Adds a prefix mapping to the next scope that will be activated.</summary>
/// <remarks><list type="bullet">
/// <item>The namespace URI must be a valid URI and must not be
/// an empty string. This is not checked.</item>
/// <item>To undeclare a prefix mapping pass null as <c>uri</c>
/// argument.</item>
/// <item>To declare a mapping for the default namespace, pass null
/// as <c>prefix</c> argument.</item>
/// </list></remarks>
/// <param name="prefix">Prefix part of namespace mapping.</param>
/// <param name="uri">URI part of namespace mapping.</param>
/// <returns>The new <see cref="ActiveMapping"/> instance, or <c>null</c>,
/// if such a mapping has already been added.</returns>
public ActiveMapping AddMapping(string prefix, string uri)
{
NamespaceMapping nsMapping = nextScope.AddMapping(prefix, uri);
if (nsMapping == null)
{
return(null);
}
else
{
return(nsMapping.prefix);
}
}
/* Public Interface */
/// <summary>Initializes new instance.</summary>
public XmlNamespaces()
{
nextScope = new NamespaceScope(this);
// the 'xml' prefix is always declared
nextScope.AddMapping("xml", Constants.XmlUri);
}
/* Public Interface */
/// <summary>Initializes new instance.</summary>
public XmlNamespaces()
{
nextScope = new NamespaceScope(this);
// the 'xml' prefix is always declared
nextScope.AddMapping("xml", Constants.XmlUri);
}
