LookupPrefix()

string System.Xml.XmlBaseWriter.NamespaceManager.LookupPrefix ( string ns )

inline

Definition at line 469 of file XmlBaseWriter.cs.

        {
            if (_lastNameSpace != null && _lastNameSpace.Uri == ns)
            {
                return _lastNameSpace.Prefix;
            }
            int nsCount = _nsCount;
            for (int num = nsCount - 1; num >= _nsTop; num--)
            {
                Namespace @namespace = _namespaces[num];
                if ((object)@namespace.Uri == ns)
                {
                    string prefix = @namespace.Prefix;
                    bool flag = false;
                    for (int i = num + 1; i < nsCount; i++)
                    {
                        if (_namespaces[i].Prefix == prefix)
                        {
                            flag = true;
                            break;
                        }
                    }
                    if (!flag)
                    {
                        _lastNameSpace = @namespace;
                        return prefix;
                    }
                }
            }
            for (int num2 = nsCount - 1; num2 >= _nsTop; num2--)
            {
                Namespace namespace2 = _namespaces[num2];
                if (namespace2.Uri == ns)
                {
                    string prefix2 = namespace2.Prefix;
                    bool flag2 = false;
                    for (int j = num2 + 1; j < nsCount; j++)
                    {
                        if (_namespaces[j].Prefix == prefix2)
                        {
                            flag2 = true;
                            break;
                        }
                    }
                    if (!flag2)
                    {
                        _lastNameSpace = namespace2;
                        return prefix2;
                    }
                }
            }
            if (ns.Length == 0)
            {
                bool flag3 = true;
                for (int num3 = nsCount - 1; num3 >= _nsTop; num3--)
                {
                    if (_namespaces[num3].Prefix.Length == 0)
                    {
                        flag3 = false;
                        break;
                    }
                }
                if (flag3)
                {
                    return string.Empty;
                }
            }
            if (ns == "http://www.w3.org/2000/xmlns/")
            {
                return "xmlns";
            }
            if (ns == "http://www.w3.org/XML/1998/namespace")
            {
                return "xml";
            }
            return null;
        }

References System.Xml.XmlBaseWriter.NamespaceManager._lastNameSpace, System.Xml.XmlBaseWriter.NamespaceManager._namespaces, System.Xml.XmlBaseWriter.NamespaceManager._nsCount, System.Xml.XmlBaseWriter.NamespaceManager._nsTop, System.Runtime.Serialization.Dictionary, System.Xml.Dictionary, System.prefix, System.Xml.XmlBaseWriter.NamespaceManager.Namespace.Prefix, and System.Xml.XmlBaseWriter.NamespaceManager.Namespace.Uri.

Referenced by System.Xml.XmlBaseWriter.GetQualifiedNamePrefix(), System.Xml.XmlBaseWriter.LookupPrefix(), System.Xml.XmlBaseWriter.StartElement(), System.Xml.XmlBaseWriter.StartElementAsync(), System.Xml.XmlBaseWriter.WriteXmlnsAttribute(), and System.Xml.XmlBaseWriter.WriteXmlnsAttribute().