using MediaBrowser.Dlna.Common; using System.Collections.Generic; using System.Security; using System.Text; namespace MediaBrowser.Dlna.Service { public class ServiceXmlBuilder { public string GetXml(IEnumerable<ServiceAction> actions, IEnumerable<StateVariable> stateVariables) { var builder = new StringBuilder(); builder.Append("<?xml version=\"1.0\"?>"); builder.Append("<scpd xmlns=\"urn:schemas-upnp-org:service-1-0\">"); builder.Append("<specVersion>"); builder.Append("<major>1</major>"); builder.Append("<minor>0</minor>"); builder.Append("</specVersion>"); AppendActionList(builder, actions); AppendServiceStateTable(builder, stateVariables); builder.Append("</scpd>"); return builder.ToString(); } private void AppendActionList(StringBuilder builder, IEnumerable<ServiceAction> actions) { builder.Append("<actionList>"); foreach (var item in actions) { builder.Append("<action>"); builder.Append("<name>" + SecurityElement.Escape(item.Name ?? string.Empty) + "</name>"); builder.Append("<argumentList>"); foreach (var argument in item.ArgumentList) { builder.Append("<argument>"); builder.Append("<name>" + SecurityElement.Escape(argument.Name ?? string.Empty) + "</name>"); builder.Append("<direction>" + SecurityElement.Escape(argument.Direction ?? string.Empty) + "</direction>"); builder.Append("<relatedStateVariable>" + SecurityElement.Escape(argument.RelatedStateVariable ?? string.Empty) + "</relatedStateVariable>"); builder.Append("</argument>"); } builder.Append("</argumentList>"); builder.Append("</action>"); } builder.Append("</actionList>"); } private void AppendServiceStateTable(StringBuilder builder, IEnumerable<StateVariable> stateVariables) { builder.Append("<serviceStateTable>"); foreach (var item in stateVariables) { var sendEvents = item.SendsEvents ? "yes" : "no"; builder.Append("<stateVariable sendEvents=\"" + sendEvents + "\">"); builder.Append("<name>" + SecurityElement.Escape(item.Name ?? string.Empty) + "</name>"); builder.Append("<dataType>" + SecurityElement.Escape(item.DataType ?? string.Empty) + "</dataType>"); if (item.AllowedValues.Count > 0) { builder.Append("<allowedValueList>"); foreach (var allowedValue in item.AllowedValues) { builder.Append("<allowedValue>" + SecurityElement.Escape(allowedValue) + "</allowedValue>"); } builder.Append("</allowedValueList>"); } builder.Append("</stateVariable>"); } builder.Append("</serviceStateTable>"); } } }