/[xmltv_parser]/branches/linux/xmltv_parser/libxmltv/Core/XMLTVProgram.cs
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Diff of /branches/linux/xmltv_parser/libxmltv/Core/XMLTVProgram.cs

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--- trunk/libxmltv/Core/XMLTVProgram.cs	2013/03/09 14:58:09	89
+++ trunk/libxmltv/Core/XMLTVProgram.cs	2013/03/10 15:54:52	113
@@ -43,79 +43,35 @@
 
         private void InternalDictionaryAddKnownProperties()
         {
-            Properties = new Dictionary<string, object>();
-            Properties.Add("Id", 0);
-            Properties.Add(XMLTVConstants.Programs.ProgramStart, new DateTime());
-            Properties.Add(XMLTVConstants.Programs.ProgramStop, new DateTime());
-            Properties.Add(XMLTVConstants.Programs.ProgramChannelId, string.Empty);
-            Properties.Add(XMLTVConstants.Programs.ProgramTitle, string.Empty);
-            Properties.Add(XMLTVConstants.Programs.ProgramSubTitle, string.Empty);
-            Properties.Add(XMLTVConstants.Programs.ProgramDescription, string.Empty);
-        }
-
-        public Dictionary<string, object> Properties { get; private set; }
-
-        private void InternalDictionaryTestOrThrow()
-        {
-            if (Properties == null) { throw new NullReferenceException("Properties collection has not been initialized."); }
-            //if (Properties.Count == 0) { throw new IndexOutOfRangeException("Properties collection has 0 elements."); }
-        }
-        private void InternalProperyExistsOrThrow(string propertyname)
+            MetaData = new PropertyDictionary();
+            MetaData.AddProperty("Id", 0);
+            MetaData.AddProperty(XMLTVConstants.Programs.ProgramStart, new DateTime());
+            MetaData.AddProperty(XMLTVConstants.Programs.ProgramStop, new DateTime());
+            MetaData.AddProperty(XMLTVConstants.Programs.ProgramChannelId, string.Empty);
+            MetaData.AddProperty(XMLTVConstants.Programs.ProgramTitle, string.Empty);
+            MetaData.AddProperty(XMLTVConstants.Programs.ProgramSubTitle, string.Empty);
+            MetaData.AddProperty(XMLTVConstants.Programs.ProgramDescription, string.Empty);
+        }
+
+        #region Property Dictionary Support
+        private PropertyDictionary _MetaData;
+        public PropertyDictionary MetaData { get { return _MetaData; } private set { _MetaData = value; } }
+        public List<IExtraMetaData> GetExtraMetaData()
         {
-            InternalDictionaryTestOrThrow();
-            //if (!ContainsProperty(propertyname)) { throw new KeyNotFoundException(string.Format("Property '{0}' does not exist.", propertyname)); }
-        }
-
-        public void RemoveProperty(string propertyname)
-        {
-            if (ContainsProperty(propertyname))
-            {
-                Properties.Remove(propertyname);
-            }
-            else
-            {
-                throw new ArgumentException(string.Format("Property '{0}' deos not exist", propertyname), propertyname);
-            }
+            return (List<IExtraMetaData>)this.MetaData[XMLTVConstants.Programs.ProgramExtraMetaData];
         }
+        #endregion
 
-        public void AddProperty(string propertyname) { AddProperty(propertyname, new object()); }
-        public void AddProperty(string propertyname, object propertyvalue)
-        {
-            if (!ContainsProperty(propertyname))
-            {
-                Properties.Add(propertyname, propertyvalue);
-            }
-            else
-            {
-                SetProperty(propertyname, propertyvalue);
-            }
-        }
-        public bool ContainsProperty(string propertyname)
-        {
-            return Properties.ContainsKey(propertyname);
-        }
-        public object GetProperty(string propertyname)
-        {
-            InternalProperyExistsOrThrow(propertyname);
-            if (!ContainsProperty(propertyname)) { throw new KeyNotFoundException(string.Format("Property '{0}' does not exist.", propertyname)); }
-            return Properties[propertyname];            
-        }
-        public void SetProperty(string propertyname, object propertyvalue)
-        {
-            InternalProperyExistsOrThrow(propertyname);
-            if (!ContainsProperty(propertyname)) { throw new KeyNotFoundException(string.Format("Property '{0}' does not exist.", propertyname)); }
-            Properties[propertyname] = propertyvalue;
-        }
         #endregion
         public override string ToString()
         {
             return string.Format("{0}: {1} - {2} ({3}) ['{4}' <==> '{5}']",
-                GetProperty("Id").ToString(),
-                GetProperty(XMLTVConstants.Programs.ProgramTitle).ToString(),
-                GetProperty(XMLTVConstants.Programs.ProgramSubTitle).ToString(),
-                GetProperty(XMLTVConstants.Programs.ProgramChannelId).ToString(),
-                ((DateTime)GetProperty(XMLTVConstants.Programs.ProgramStart)).ToString("yyyy/MM/dd hh:mm tt"),
-                ((DateTime)GetProperty(XMLTVConstants.Programs.ProgramStop)).ToString("yyyy/MM/dd hh:mm tt"));
+                MetaData["Id"].ToString(),
+                 MetaData[XMLTVConstants.Programs.ProgramTitle].ToString(),
+                 MetaData[XMLTVConstants.Programs.ProgramSubTitle].ToString(),
+                 MetaData[XMLTVConstants.Programs.ProgramChannelId].ToString(),
+                ((DateTime)MetaData[XMLTVConstants.Programs.ProgramStart]).ToString("yyyy/MM/dd hh:mm tt"),
+                ((DateTime)MetaData[XMLTVConstants.Programs.ProgramStop]).ToString("yyyy/MM/dd hh:mm tt"));
         }
 
 
@@ -135,7 +91,7 @@
                     {
                         
                         var list = (List<IXMLTVProgram>)field.GetValue(this.GetInstance());
-                        this.SetProperty("Id", list.Count + 1);
+                        MetaData["Id"] = list.Count + 1;
                         list.Add(this);
                         xmltv_logger.Verbose.Debug.WriteLine("Updating instance with program information: {0}", this.ToString());
                         field.SetValue(this.GetInstance(), list);
@@ -156,48 +112,8 @@
 
         private void Create(XElement node)
         {
-            //if (node.HasAttributes)
-            //{
-            //    var start = node.Attribute(XMLTVConstants.Programs.ProgramStart);
-            //    this.Start = start == null ? new DateTime() : ParseDate(start.Value);
-            //    if (!this.Start.Equals(new DateTime())) { xmltv_logger.Verbose.Debug.WriteLine("\tprogram_start: {0}", start); }
-
-            //    var stop = node.Attribute(XMLTVConstants.Programs.ProgramStop);
-            //    this.Stop = stop == null ? new DateTime() : ParseDate(stop.Value);
-            //    if (!this.Stop.Equals(new DateTime())) { xmltv_logger.Verbose.Debug.WriteLine("\tprogram_stop: {0}", stop); }
-
-            //    var channelid = node.Attribute(XMLTVConstants.Programs.ProgramChannelId);
-            //    if (!string.IsNullOrEmpty(this.channelid)) { xmltv_logger.Verbose.Debug.WriteLine("\tprogram_channelid: {0}", channelid); }
-            //    IXMLTVChannel channel = new XMLTVChannel();
-            //    string _channelid = channelid == null ? string.Empty : channelid.Value;
-            //    this.Channel = this.GetInstance().Channels.Find(m => m.Id == _channelid);
-            //    if (this.Channel == null) { this.Channel = new XMLTVChannel(); }
-            //    if (!string.IsNullOrEmpty(_channelid)) { xmltv_logger.Verbose.Debug.WriteLine("\tprogram_channel: {0}", this.Channel.ToString()); }            //}
-            //try
-            //{
-            //    var title = node.Descendants(XMLTVConstants.Programs.ProgramTitle).FirstOrDefault();
-            //    this.Title = title == null ? string.Empty : title.Value;
-            //}
-            //catch (Exception) { this.Title = string.Empty; }
-            //if (!string.IsNullOrEmpty(this.Title)) { xmltv_logger.Verbose.Debug.WriteLine("\tprogram_title: {0}", this.Title == string.Empty ? "empty" : this.Title); }
-            //try
-            //{
-            //    var subtitle = node.Descendants(XMLTVConstants.Programs.ProgramSubTitle).FirstOrDefault();
-            //    this.SubTitle = subtitle == null ? string.Empty : subtitle.Value;
-            //}
-            //catch (Exception) { this.SubTitle = string.Empty; }
-            //if (!string.IsNullOrEmpty(this.SubTitle)) { xmltv_logger.Verbose.Debug.WriteLine("\tprogram_subtitle: {0}", this.SubTitle == string.Empty ? "empty" : this.SubTitle); }
-            //try
-            //{
-            //    var description = node.Descendants(XMLTVConstants.Programs.ProgramDescription).FirstOrDefault();
-            //    this.Description = description == null ? string.Empty : description.Value; ;
-            //}
-            //catch (Exception) { this.Description = string.Empty; }
-            //if (!string.IsNullOrEmpty(this.Description)) { xmltv_logger.Verbose.Debug.WriteLine("\tprogram_description: {0}", this.Description == string.Empty ? "empty" : this.Description); }
-
-            //ParseExtraData(node);
-
-            var nodes = node.DescendantsAndSelf().ToList();
+            CreateHandlerForProgramMetaDataNode(node);
+            var nodes = node.Elements().ToList();
             foreach (var sub_node in nodes)
             {
                 if (this.GetInstance().IsAborting)
@@ -249,6 +165,7 @@
                             var ctors = type.GetConstructors(flags);
                             bool has_default_ctor = false;
                             foreach (var ctor in ctors) { if (ctor.GetParameters().Count() == 0) { has_default_ctor = true; } }
+                            ctors = null;
                             if (!has_default_ctor) { continue; }
                             raw_instance = Activator.CreateInstance(type, flags, null, new object[0], culture);
                             if (raw_instance != null)
@@ -257,47 +174,60 @@
                                 if (handler_value != null && handler_value.ToString() == node.Name.ToString())
                                 {
                                     handler_type = type;
+                                    handler_value = null;
+                                    raw_instance = null;
+                                    handler_prop = null;
+                                    iface = null;
                                     break;
                                 }
+                                handler_value = null;
                             }
+                            raw_instance = null;
                         }
+                        handler_prop = null;
                     }
+                    iface = null;
                 }
             }
+            t = null;
+            asm = null;
+            types = null;
+            classes = null;
             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}=\"{1}\" ", attribute.Name, attribute.Value); } }
-                string node_text = string.Format("{0}>", node_builder.ToString().TrimEnd(new char[] { ' ' }));
-                xmltv_logger.Verbose.Warn.WriteLine("Ignoring unhandled extra meta-data: {0}", node_text);
+                try
+                {
+                    raw_instance = Activator.CreateInstance(typeof(UnhandledExtraProgramMetaData), flags, null, new object[] { this, node }, culture);
+                }
+                catch (Exception ex) { throw ex; }
+
+                if (raw_instance == 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}=\"{1}\" ", attribute.Name, attribute.Value); } }
+                    string node_text = string.Format("{0}>", node_builder.ToString().TrimEnd(new char[] { ' ' }));
+                    xmltv_logger.Verbose.Warn.WriteLine("Ignoring unhandled extra meta-data: {0}", node_text);
+                }
             }
             else
             {
-                raw_instance = Activator.CreateInstance(handler_type, flags, null, new object[] { this, node }, culture);
+                try
+                {
+                    raw_instance = Activator.CreateInstance(handler_type, flags, null, new object[] { this, node }, culture);
+                }
+                catch (Exception ex) { throw ex; }
             }
+            raw_instance = null;
+            flags = 0;
+            culture = null;
+            node = null;
         }
 
 
 
-        #region sub-classes
-        #region program title
-        private class title : XMLTVBase<XMLTVProgram>
-        {
-            public title() : base(null, XMLTVConstants.Programs.ProgramTitle) { }
-            public title(XMLTVProgram instance, XElement node)
-                : base(instance, XMLTVConstants.Programs.ProgramTitle)
-            {                
-                if(node == null){throw new NullReferenceException("The node instance was null");}                
-                if (node.Value != null)
-                {
-                    instance.AddProperty(XMLTVConstants.Programs.ProgramTitle, node.Value);
-                    xmltv_logger.Verbose.Debug.WriteLine("\tprogram_title: {0}", node.Value);
-                }                
-            }
-        }
-        #endregion
-        #region program stop/start/channel (programme)
+        #region sub-classes       
+        #region programme: stop/start/channelid
         private class programme : XMLTVBase<XMLTVProgram>
         {
             public programme() : base(null, XMLTVConstants.Programs.RootElement) { }
@@ -310,26 +240,43 @@
                     var start = node.Attribute(XMLTVConstants.Programs.ProgramStart);
                     var t_start = start == null ? new DateTime() : ParseDate(start.Value);
                     if (!t_start.Equals(new DateTime())) { xmltv_logger.Verbose.Debug.WriteLine("\tprogram_start: {0}", start); }
-                    instance.AddProperty(XMLTVConstants.Programs.ProgramStart, t_start);
+                    instance.MetaData.AddProperty(XMLTVConstants.Programs.ProgramStart, t_start);
 
                     var stop = node.Attribute(XMLTVConstants.Programs.ProgramStop);
                     var t_stop = stop == null ? new DateTime() : ParseDate(stop.Value);
                     if (!t_stop.Equals(new DateTime())) { xmltv_logger.Verbose.Debug.WriteLine("\tprogram_stop: {0}", stop); }
-                    instance.AddProperty(XMLTVConstants.Programs.ProgramStop, t_stop);
+                    instance.MetaData.AddProperty(XMLTVConstants.Programs.ProgramStop, t_stop);
 
                     var channelid = node.Attribute(XMLTVConstants.Programs.ProgramChannelId);
                     if (channelid != null)
                     {
                         if (!string.IsNullOrEmpty(channelid.Value)) { xmltv_logger.Verbose.Debug.WriteLine("\tprogram_channelid: {0}", channelid.Value); }
-                        instance.AddProperty(XMLTVConstants.Programs.ProgramChannelId, channelid.Value);
+                        instance.MetaData.AddProperty(XMLTVConstants.Programs.ProgramChannelId, channelid.Value);
                     }
                     
                 }
+                node = null;
             }
         }
         #endregion
-
-        #region sub title
+        #region title
+        private class title : XMLTVBase<XMLTVProgram>
+        {
+            public title() : base(null, XMLTVConstants.Programs.ProgramTitle) { }
+            public title(XMLTVProgram instance, XElement node)
+                : base(instance, XMLTVConstants.Programs.ProgramTitle)
+            {
+                if (node == null) { throw new NullReferenceException("The node instance was null"); }
+                if (node.Value != null)
+                {
+                    instance.MetaData.AddProperty(XMLTVConstants.Programs.ProgramTitle, node.Value);
+                    xmltv_logger.Verbose.Debug.WriteLine("\tprogram_title: {0}", node.Value);
+                }
+                node = null;
+            }
+        }
+        #endregion
+        #region sub-title
         private class subtitle : XMLTVBase<XMLTVProgram>
         {
             public subtitle() : base(null, XMLTVConstants.Programs.ProgramSubTitle) { }
@@ -339,13 +286,14 @@
                 if (node == null) { throw new NullReferenceException("The node instance was null"); }
                 if (node.Value != null)
                 {
-                    instance.AddProperty(XMLTVConstants.Programs.ProgramSubTitle, node.Value);
+                    instance.MetaData.AddProperty(XMLTVConstants.Programs.ProgramSubTitle, node.Value);
                     xmltv_logger.Verbose.Debug.WriteLine("\tprogram_subtitle: {0}", node.Value);
                 }
+                node = null;
             }
         }
         #endregion
-        #region sub title
+        #region description
         private class description : XMLTVBase<XMLTVProgram>
         {
             public description() : base(null, XMLTVConstants.Programs.ProgramDescription) { }
@@ -355,12 +303,37 @@
                 if (node == null) { throw new NullReferenceException("The node instance was null"); }
                 if (node.Value != null)
                 {
-                    instance.AddProperty(XMLTVConstants.Programs.ProgramDescription, node.Value);
+                    instance.MetaData.AddProperty(XMLTVConstants.Programs.ProgramDescription, node.Value);
                     xmltv_logger.Verbose.Debug.WriteLine("\tprogram_description: {0}", node.Value);
                 }
+                node = null;
             }
         }
         #endregion
+
+        #region UnhandledExtraMetaData
+        private class UnhandledExtraProgramMetaData : XMLTVBase<XMLTVProgram>
+        {
+            public UnhandledExtraProgramMetaData() : base(null, null) { }
+            public UnhandledExtraProgramMetaData(XMLTVProgram instance, XElement node)
+                : base(instance, null)
+            {
+                if (node == null) { throw new NullReferenceException("The node instance was null"); }      
+                xmltv_logger.Verbose.Debug.WriteLine("Parsng unhandled extra program meta-data: {0}", node.Name.ToString());
+                if (this.GetInstance() != null)
+                {
+                    List<IExtraMetaData> list = new List<IExtraMetaData>();
+                    if (!instance.MetaData.ContainsProperty(XMLTVConstants.Programs.ProgramExtraMetaData)) { instance.MetaData.AddProperty(XMLTVConstants.Programs.ProgramExtraMetaData, new List<ExtraMetaData>()); }
+                    else { list = (List<IExtraMetaData>)instance.MetaData[XMLTVConstants.Programs.ProgramExtraMetaData]; }
+                    ExtraMetaData data = new ExtraMetaData(node);
+                    list.Add(data);
+                    instance.MetaData[XMLTVConstants.Programs.ProgramExtraMetaData] = list;
+                    data = null;
+                }
+                node = null;
+            }
+        }       
+        #endregion
         #endregion
     }
 }

 

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