/[xmltv_parser]/trunk/libxmltv/Core/XMLTVRuntimeInstance.cs
ViewVC logotype

Diff of /trunk/libxmltv/Core/XMLTVRuntimeInstance.cs

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

--- trunk/libxmltv/Core/XMLTVRuntimeInstance.cs	2013/03/09 11:23:09	76
+++ trunk/libxmltv/Core/XMLTVRuntimeInstance.cs	2013/03/09 12:37:21	82
@@ -48,7 +48,7 @@
 
         private void init()
         {
-            this.Source = new List<IXMLTVSource>();
+            this.Source = new XMLTVSource();
             this.Channels = new List<IXMLTVChannel>();
             this.Programs = new List<IXMLTVProgram>();
             this.XmlFile_Name = string.Empty;
@@ -69,8 +69,8 @@
 
         private string _XmlDoc;
         public string XmlDoc { get { return _XmlDoc; } set { _XmlDoc = value; } }
-        private List<IXMLTVSource> _Source;
-        public List<IXMLTVSource> Source { get { return _Source; } set { _Source = value; } }
+        private IXMLTVSource _Source;
+        public IXMLTVSource Source { get { return _Source; } set { _Source = value; } }
         private List<IXMLTVChannel> _Channels;
         public List<IXMLTVChannel> Channels { get { return _Channels; } set { _Channels = value; } }
         private List<IXMLTVProgram> _Programs;
@@ -123,7 +123,7 @@
             xmltv_logger.Debug.WriteLine("Loaded from instance...");
             if (this.Source != null)
             {
-                xmltv_logger.Info.WriteLine("Source Loaded: '{0}' Created by '{1}' - original source file: '{2}'", this.Source.FirstOrDefault().SourceName, this.Source.FirstOrDefault().GeneratorName, this.XmlFile_FullName);
+                xmltv_logger.Info.WriteLine("Source Loaded: '{0}' Created by '{1}' - original source file: '{2}'", this.Source.SourceName, this.Source.GeneratorName, this.XmlFile_FullName);
             }
             else
             {
@@ -132,7 +132,7 @@
             }
             if (this.Channels != null)
             {
-                xmltv_logger.Info.WriteLine("Source Loaded: '{0}' Channels from source '{1}'", this.Channels.Count, this.Source.FirstOrDefault().SourceName);
+                xmltv_logger.Info.WriteLine("Source Loaded: '{0}' Channels from source '{1}'", this.Channels.Count, this.Source.SourceName);
             }
             else
             {
@@ -141,7 +141,7 @@
             }
             if (this.Programs != null)
             {
-                xmltv_logger.Info.WriteLine("Source Loaded: '{0}' Programs from source '{1}'", this.Programs.Count, this.Source.FirstOrDefault().SourceName);
+                xmltv_logger.Info.WriteLine("Source Loaded: '{0}' Programs from source '{1}'", this.Programs.Count, this.Source.SourceName);
             }
             else
             {
@@ -232,6 +232,7 @@
                 CreateLoader(xmlfile);
                 CreateParser();
             }
+            catch (ThreadAbortException ex) { Debug.WriteLine(ex.ToString()); }
             catch (Exception ex)
             {
                 xmltv_logger.Error.WriteLine(ex.ToString());
@@ -240,33 +241,47 @@
 
         private void CreateLoader(string xml_file)
         {
+            xmltv_logger.Verbose.Debug.WriteLine("Creating loader handle");
             gInstance = new XMLTVRuntimeInstance();
-            bool bound_to_ctor = false;
             object raw_instance = null;
+            BindingFlags flags = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance;
+            CultureInfo culture = CultureInfo.CurrentCulture;
             Assembly asm = Assembly.GetExecutingAssembly();
             var types = asm.GetTypes();
-
+            Type handler_type = null;
             foreach (var type in types)
             {
                 if (type.BaseType != null && type.BaseType == typeof(XMLTVBase<XMLTVRuntimeInstance>))
                 {
-                    xmltv_logger.Verbose.Debug.WriteLine("Type: '{0}' Base: '{1}'", type.Name, type.BaseType == null ? "none" : type.BaseType.Name);
-
-                    BindingFlags flags = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance;
-                    CultureInfo culture = CultureInfo.CurrentCulture;
+                    //xmltv_logger.Verbose.Debug.WriteLine("Type: '{0}' Base: '{1}'", type.Name, type.BaseType == null ? "none" : type.BaseType.Name);                  
                     object[] args = new object[] { xml_file, gInstance };
-                    try
-                    {
-                        raw_instance = Activator.CreateInstance(type, flags, null, args, culture);
-                        bound_to_ctor = true;
-                    }
-                    catch (Exception ex)
+                    var iface = type.GetInterface("IXMLTVHandler", true);
+                    if (iface != null)
                     {
-                        Debug.WriteLine(ex.ToString());
+                        var handler_prop = type.GetProperty("Handler");
+                        if (handler_prop != null)
+                        {
+                            var ctors = type.GetConstructors(flags);
+                            bool has_string_ctor = false;
+                            foreach (var ctor in ctors) { if (ctor.GetParameters().Count() == 1 && ctor.GetParameters()[0].ParameterType == typeof(string)) { has_string_ctor = true; } }
+                            if (!has_string_ctor) { continue; }
+                            raw_instance = Activator.CreateInstance(type, flags, null, new object[] { xml_file}, culture);
+                            if (raw_instance != null)
+                            {
+                                object handler_value = handler_prop.GetValue(raw_instance, null);
+                                if (handler_value != null && handler_value.ToString() == xml_file)
+                                {
+                                    handler_type = type;
+                                    break;
+                                }
+                            }
+                        }
                     }
                 }                
             }
-            if (!bound_to_ctor) { throw new Exception("Unable to find a compatible XMLTV Data Loader."); }
+            if (handler_type == null) { throw new Exception("Unable to find a compatible XMLTV Data Loader."); }
+            xmltv_logger.Verbose.Debug.WriteLine("Created loader handle");
+            raw_instance = Activator.CreateInstance(handler_type, flags, null, new object[] {xml_file , gInstance }, culture);
             if (raw_instance == null) { throw new NullReferenceException("Found a compatible XMLTV Data Loader, but it returned invalid data."); }
             IGetInstance<XMLTVRuntimeInstance> getter_instance = (raw_instance as IGetInstance<XMLTVRuntimeInstance>);
             if (getter_instance != null) { gInstance = getter_instance.GetInstance(); }
@@ -284,6 +299,10 @@
             double progress = 0;
             foreach(var node in nodes)
             {
+                if (this.GetInstance().IsAborting)
+                {
+                    break;
+                }
                 if (!CreateHandlerForNode(node)) { xmltv_logger.Verbose.Debug.WriteLine("Unable to create handler for node: '{0}'", node.Name.ToString()); }
                 node_index++;
                 progress = 100.0 * (node_index / total_nodes);
@@ -308,12 +327,17 @@
             foreach (var type in types)
             {
                 if (type.BaseType != null && type.BaseType == typeof(XMLTVBase<XMLTVRuntimeInstance>))
-                {
-                    try
+                {                    
+                    var iface = type.GetInterface("IXMLTVHandler", true);
+                    if (iface != null)
                     {
                         var handler_prop = type.GetProperty("Handler");
                         if (handler_prop != null)
                         {
+                            var ctors = type.GetConstructors(flags);
+                            bool has_default_ctor = false;
+                            foreach (var ctor in ctors) { if (ctor.GetParameters().Count() == 0) { has_default_ctor = true; } }
+                            if (!has_default_ctor) { continue; }
                             raw_instance = Activator.CreateInstance(type, flags, null, new object[0], culture);
                             if (raw_instance != null)
                             {
@@ -323,13 +347,19 @@
                                     handler_type = type;
                                     break;
                                 }
-                            }                            
+                            }
                         }
                     }
-                    catch (Exception) { }
                 }
             }
-            if (handler_type == null) { throw new Exception("Unable to find a compatible handler to parse document root."); }
+            if (handler_type == null) 
+            {
+                StringBuilder node_builder = new StringBuilder();
+                node_builder.AppendFormat("<{0} ", root.Name);
+                if (root.HasAttributes) { foreach (var attribute in root.Attributes()) { node_builder.AppendFormat("{0}=\"{0}\" ", attribute.Name, attribute.Value); } }
+                string node_text = string.Format("{0}>", node_builder.ToString().TrimEnd(new char[] { ' ' }));
+                throw new Exception(string.Format("Unable to find a compatible handler to parse node: '{0}'", node_text)); 
+            }
             xmltv_logger.Verbose.Debug.WriteLine("Created handler for root: '{0}'", root_name.ToString());
             raw_instance = Activator.CreateInstance(handler_type, flags, null, new object[] { gInstance }, culture);
         }
@@ -351,11 +381,16 @@
             {
                 if (type.BaseType != null && type.BaseType == typeof(XMLTVBase<XMLTVRuntimeInstance>))
                 {
-                    try
+                    var iface = type.GetInterface("IXMLTVHandler", true);
+                    if (iface != null)
                     {
                         var handler_prop = type.GetProperty("Handler");
                         if (handler_prop != null)
                         {
+                            var ctors = type.GetConstructors(flags);
+                            bool has_default_ctor = false;
+                            foreach (var ctor in ctors) { if (ctor.GetParameters().Count() == 0) { has_default_ctor = true; } }
+                            if (!has_default_ctor) { continue; }
                             raw_instance = Activator.CreateInstance(type, flags, null, new object[0], culture);
                             if (raw_instance != null)
                             {
@@ -368,10 +403,16 @@
                             }
                         }
                     }
-                    catch (Exception) { }
                 }
             }
-            if (handler_type == null) { throw new Exception("Unable to find a compatible handler to parse document root."); }
+            if (handler_type == null) 
+            {
+                StringBuilder node_builder = new StringBuilder();
+                node_builder.AppendFormat("<{0} ", node.Name);
+                if (node.HasAttributes) { foreach (var attribute in node.Attributes()) { node_builder.AppendFormat("{0}=\"{0}\" ", attribute.Name, attribute.Value); } }
+                string node_text = string.Format("{0}>", node_builder.ToString().TrimEnd(new char[] { ' ' }));
+                throw new Exception(string.Format("Unable to find a compatible handler to parse node: '{0}'", node_text)); 
+            }
             xmltv_logger.Verbose.Debug.WriteLine("Created handler for node: '{0}'", node_name.ToString());
             raw_instance = Activator.CreateInstance(handler_type, flags, null, new object[] { gInstance, node }, culture);
             return true;

 

  ViewVC Help
Powered by ViewVC 1.1.22