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using System.Reflection; |
using System.Reflection; |
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using System.Globalization; |
using System.Globalization; |
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using System.Diagnostics; |
using System.Diagnostics; |
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using System.Xml.Linq; |
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namespace libxmltv.Core |
namespace libxmltv.Core |
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{ |
{ |
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{ |
{ |
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[NonSerialized] |
[NonSerialized] |
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Thread worker; |
Thread worker; |
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public XMLTVRuntimeInstance() |
public XMLTVRuntimeInstance() { init(); } |
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public XMLTVRuntimeInstance(string xmlfile) : this(xmlfile, null) { } |
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public XMLTVRuntimeInstance(string xmlfile, EventHandler<EventArgs> handler) |
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: this() |
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{ |
{ |
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this.OnInstanceCreated += handler; |
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worker = new Thread(new ParameterizedThreadStart(CreateInstance)); worker.Start(xmlfile); |
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} |
} |
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public XMLTVRuntimeInstance(string xmlfile) |
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{ |
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worker = new Thread(new ParameterizedThreadStart(CreateInstance)); |
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//CreateInstance(xmlfile); |
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worker.Start(xmlfile); |
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} |
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//public XMLTVRuntimeInstance(string xmlfile) : this(xmlfile, null) { } |
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//public XMLTVRuntimeInstance(string xmlfile, EventHandler<CancelEventArgs> t) { CreateInstance(xmlfile,t); } |
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private void CreateInstance(object xmlfile) |
private void CreateInstance(object xmlfile) |
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{ |
{ |
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//CancelEvent = t; |
using (XMLTVInstance instance = new XMLTVInstance(xmlfile.ToString())) |
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using (XMLTVInstance instance = new XMLTVInstance(xmlfile.ToString(), this)) |
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{ |
{ |
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if (OnInstanceCreated != null) |
this.LoadFromInstance(instance.GetInstance()); |
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{ |
OnCreatedInstance(this, new EventArgs()); |
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OnInstanceCreated.Invoke(this,new EventArgs()); |
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} |
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} |
} |
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} |
} |
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private void OnCreatedInstance(object sender, EventArgs e) |
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{ |
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if (OnInstanceCreated != null) { OnInstanceCreated.Invoke(sender, e); } |
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} |
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//internal XMLTVInstance Instance { get; private set; } |
private void init() |
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{ |
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this.Source = new List<IXMLTVSource>(); |
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this.Channels = new List<IXMLTVChannel>(); |
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this.Programs = new List<IXMLTVProgram>(); |
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this.XmlFile_Name = string.Empty; |
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this.XmlFile_FullName = string.Empty; |
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this.XmlDoc = string.Empty; |
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this.OnInstanceCreated = null; |
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} |
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#region IXMLTVRuntimeInstance members |
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private bool _IsAborting; |
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public bool IsAborting { get { return _IsAborting; } private set { _IsAborting = value; } } |
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private string _XmlFile_Name; |
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public string XmlFile_Name { get { return _XmlFile_Name; } set { _XmlFile_Name = value; } } |
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private string _XmlFile_FullName; |
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public string XmlFile_FullName { get { return _XmlFile_FullName; } set { _XmlFile_FullName = value; } } |
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#region IXMLTV_LOADER members |
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private System.IO.FileInfo _XmlFile; |
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public System.IO.FileInfo XmlFile { get { return _XmlFile; } set { _XmlFile = value; } } |
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private string _XmlDoc; |
private string _XmlDoc; |
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public string XmlDoc { get { return _XmlDoc; } set { _XmlDoc = value; } } |
public string XmlDoc { get { return _XmlDoc; } set { _XmlDoc = value; } } |
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#endregion |
private List<IXMLTVSource> _Source; |
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#region IXMLTV_PARSER Members |
public List<IXMLTVSource> Source { get { return _Source; } set { _Source = value; } } |
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private IXMLTVSource _Source; |
private List<IXMLTVChannel> _Channels; |
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public IXMLTVSource Source { get { return _Source; } set { _Source = value; } } |
public List<IXMLTVChannel> Channels { get { return _Channels; } set { _Channels = value; } } |
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private Dictionary<string, IXMLTVChannel> _Channels; |
private List<IXMLTVProgram> _Programs; |
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public Dictionary<string, IXMLTVChannel> Channels { get { return _Channels; } set { _Channels = value; } } |
public List<IXMLTVProgram> Programs { get { return _Programs; } set { _Programs = value; } } |
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private Dictionary<int, IXMLTVProgram> _Programs; |
#endregion |
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public Dictionary<int, IXMLTVProgram> Programs { get { return _Programs; } set { _Programs = value; } } |
#region IOnInstanceCreated members |
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#endregion |
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[NonSerialized] |
[NonSerialized] |
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private EventHandler<EventArgs> _OnInstanceCreated; |
private EventHandler<EventArgs> _OnInstanceCreated; |
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public EventHandler<EventArgs> OnInstanceCreated { get { return _OnInstanceCreated; } set { _OnInstanceCreated = value; } } |
public EventHandler<EventArgs> OnInstanceCreated { get { return _OnInstanceCreated; } set { _OnInstanceCreated = value; } } |
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#endregion |
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#region IGetCreatedInstanceEvent members |
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public EventHandler<EventArgs> GetOnInstanceCreated() { return OnInstanceCreated; } |
public EventHandler<EventArgs> GetOnInstanceCreated() { return OnInstanceCreated; } |
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#endregion |
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#region ISetCreatedInstanceEvent members |
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public void SetOnInstanceCreated(EventHandler<EventArgs> event_instance) { OnInstanceCreated = event_instance; } |
public void SetOnInstanceCreated(EventHandler<EventArgs> event_instance) { OnInstanceCreated = event_instance; } |
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#endregion |
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public IXMLTVSerializer<XMLTVRuntimeInstance> Serializer |
#region ISerializer<XMLTVRuntimeInstance> members |
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{ |
public IXMLTVSerializer<XMLTVRuntimeInstance> Serializer { get { return new XMLTVSerializer<XMLTVRuntimeInstance>(this); } } |
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get |
#endregion |
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{ |
#region IDestroyInstance member |
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///* We have to set CancelEvent to null, before returning a new instance of the serializer otherwise all subscribers to the event will have to be marked as serializeable. |
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// Most subscribers will be of type: System.Windows.Forms which is not marked as serializable and will fail to serialize. */ |
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//if (CancelEvent != null) { CancelEvent = null; } |
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return new XMLTVSerializer<XMLTVRuntimeInstance>(this); |
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} |
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} |
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public void DestroyInstance() |
public void DestroyInstance() |
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{ |
{ |
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xmltv_logger.Debug.WriteLine("Destoying Instance of: '{0}'", this.GetType().Name); |
xmltv_logger.Debug.WriteLine("Destoying Instance of: '{0}'", this.GetType().Name); |
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if (worker.IsAlive) |
if (worker.IsAlive) |
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{ |
{ |
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xmltv_logger.Verbose.Debug.WriteLine("Requesting Instance to Abort..."); |
xmltv_logger.Verbose.Debug.WriteLine("Requesting Instance to Abort..."); |
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while (worker.IsAlive) |
while (worker.IsAlive) { worker.Abort(); Application.DoEvents(); } |
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{ |
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worker.Abort(); |
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Application.DoEvents(); |
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} |
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} |
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else |
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{ |
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xmltv_logger.Debug.WriteLine("Instance of: '{0}'- already destroyed.", this.GetType().Name); |
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} |
} |
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else { xmltv_logger.Debug.WriteLine("Instance of: '{0}'- already destroyed.", this.GetType().Name); } |
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} |
} |
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} |
} |
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private bool _IsAborting; |
#endregion |
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public bool IsAborting |
#region IRuntimeInstanceLoader<XMLTVRuntimeInstance> member |
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{ |
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get { return _IsAborting; } |
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private set { _IsAborting = value; } |
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} |
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public XMLTVRuntimeInstance LoadFromInstance(XMLTVRuntimeInstance instance) |
public XMLTVRuntimeInstance LoadFromInstance(XMLTVRuntimeInstance instance) |
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{ |
{ |
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if (instance == null) |
if (instance == null) |
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{ |
{ |
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throw new NullReferenceException("Failed to load from instance because the instance is null."); |
throw new NullReferenceException("Failed to load from instance because the instance is null."); |
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} |
} |
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CloneFromInstance(ref instance); |
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if (instance.Source != null) |
xmltv_logger.Debug.WriteLine("Loading from instance..."); |
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if (this.Source != null) |
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{ |
{ |
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xmltv_logger.Debug.WriteLine("Loading from instance..."); |
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); |
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xmltv_logger.Info.WriteLine("Source Loaded: '{0}' Created by '{1}' - original source file: '{2}'", instance.Source.SourceName, instance.Source.GeneratorName, instance.XmlFile.FullName); |
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} |
} |
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else |
else |
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{ |
{ |
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xmltv_logger.Error.WriteLine("The Instance's Source Property is null."); |
xmltv_logger.Error.WriteLine("Source Property is null."); |
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throw new NullReferenceException("The Instance's Source Property is null."); |
throw new NullReferenceException("Source Property is null."); |
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} |
} |
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if (instance.Channels != null) |
if (this.Channels != null) |
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{ |
{ |
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xmltv_logger.Info.WriteLine("Source Loaded: '{0}' Channels from source '{1}'", instance.Channels.Count, instance.Source.SourceName); |
xmltv_logger.Info.WriteLine("Source Loaded: '{0}' Channels from source '{1}'", this.Channels.Count, this.Source.FirstOrDefault().SourceName); |
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} |
} |
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else |
else |
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{ |
{ |
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xmltv_logger.Error.WriteLine("The Instance's Channels Property is null."); |
xmltv_logger.Error.WriteLine("Channels Property is null."); |
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throw new NullReferenceException("The Instance's Channels Property is null."); |
throw new NullReferenceException("Channels Property is null."); |
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} |
} |
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if (instance.Programs != null) |
if (this.Programs != null) |
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{ |
{ |
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xmltv_logger.Info.WriteLine("Source Loaded: '{0}' Programs from source '{1}", instance.Programs.Count, instance.Source.SourceName); |
xmltv_logger.Info.WriteLine("Source Loaded: '{0}' Programs from source '{1}'", this.Programs.Count, this.Source.FirstOrDefault().SourceName); |
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} |
} |
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else |
else |
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{ |
{ |
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xmltv_logger.Error.WriteLine("The Instance's Programs Property is null."); |
xmltv_logger.Error.WriteLine("Programs Property is null."); |
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throw new NullReferenceException("The Instance's Programs Property is null."); |
throw new NullReferenceException("Programs Property is null."); |
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} |
} |
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CloneFromInstance(ref instance); |
xmltv_logger.Debug.WriteLine("Loaded from instance..."); |
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//if (OnInstanceCreated != null) |
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//{ |
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// OnInstanceCreated.Invoke(this, new EventArgs()); |
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//} |
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return instance; |
return instance; |
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} |
} |
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#endregion |
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#region CloneFromInstance |
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private void CloneFromInstance(ref XMLTVRuntimeInstance instance) |
private void CloneFromInstance(ref XMLTVRuntimeInstance instance) |
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{ |
{ |
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//if (!instance.GetType().IsSerializable) |
xmltv_logger.Debug.WriteLine("Cloning from instance..."); |
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//{ |
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// throw new ArgumentException("Loaded instance is not serializable.", "instance"); |
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//} |
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//if (Object.ReferenceEquals(instance, null)) |
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//{ |
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// throw new NullReferenceException("Failed to load from instance because the instance is null."); |
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//} |
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BindingFlags flags = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance; |
BindingFlags flags = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance; |
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CultureInfo culture = CultureInfo.CurrentCulture; |
CultureInfo culture = CultureInfo.CurrentCulture; |
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Type t = typeof(XMLTVRuntimeInstance); |
Type t = typeof(XMLTVRuntimeInstance); |
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{ |
{ |
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try |
try |
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{ |
{ |
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if (field.IsNotSerialized) |
if (field.IsNotSerialized) { continue; } |
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var f = instance.GetType().GetField(field.Name, flags); |
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var v = f.GetValue(instance); |
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if (v != null) |
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{ |
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field.SetValue(this, v); |
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} |
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else |
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{ |
{ |
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xmltv_logger.Debug.WriteLine("Attempted to set field: '{0}' with a null value. The operation was aborted.", f.Name); |
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continue; |
continue; |
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} |
} |
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var f = instance.GetType().GetField(field.Name, flags); |
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var v = f.GetValue(instance); |
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field.SetValue(this, v); |
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} |
} |
178 |
catch (Exception ex) |
catch (Exception ex) |
179 |
{ |
{ |
184 |
{ |
{ |
185 |
try |
try |
186 |
{ |
{ |
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//if (property.Attributes.HasFlag(FieldAttributes.NotSerialized)) |
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//{ |
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// continue; |
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//} |
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var f = instance.GetType().GetProperty(property.Name); |
var f = instance.GetType().GetProperty(property.Name); |
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object value = null; |
object value = null; |
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try |
try |
190 |
{ |
{ |
191 |
value = f.GetValue(instance, null); |
value = f.GetValue(instance, null); |
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catch (ArgumentException ex) { if (ex.Message == "Property get method not found.") { Debug.WriteLine(ex.ToString()); } else { throw ex; } } |
catch (ArgumentException ex) { if (ex.Message == "Property get method not found.") { Debug.WriteLine(ex.ToString()); } else { throw ex; } } |
194 |
try |
try |
195 |
{ |
{ |
196 |
property.SetValue(this, value, null); |
if (value != null) |
197 |
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{ |
198 |
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property.SetValue(this, value, null); |
199 |
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} |
200 |
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else |
201 |
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{ |
202 |
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xmltv_logger.Debug.WriteLine("Attempted to set property: '{0}' with a null value. The operation was aborted.", f.Name); |
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continue; |
204 |
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} |
205 |
} |
} |
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catch (ArgumentException ex) { if (ex.Message == "Property set method not found.") { Debug.WriteLine(ex.ToString()); } else { throw ex; } } |
catch (ArgumentException ex) { if (ex.Message == "Property set method not found.") { Debug.WriteLine(ex.ToString()); } else { throw ex; } } |
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throw new Exception(string.Format("Unable to copy value for property: '{0}' from instance", property.Name), ex); |
throw new Exception(string.Format("Unable to copy value for property: '{0}' from instance", property.Name), ex); |
212 |
} |
} |
213 |
} |
} |
214 |
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xmltv_logger.Debug.WriteLine("Cloned from instance..."); |
215 |
} |
} |
216 |
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#endregion |
217 |
} |
} |
218 |
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219 |
internal class XMLTVInstance : IDisposable |
internal class XMLTVInstance : IGetInstance<XMLTVRuntimeInstance>, IDisposable |
220 |
{ |
{ |
221 |
public XMLTVInstance(string xmlfile, XMLTVRuntimeInstance instance) |
public void Dispose() |
222 |
{ |
{ |
223 |
CreateLoader(xmlfile, instance); |
//throw new NotImplementedException(); |
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CreateParser(instance); |
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224 |
} |
} |
225 |
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226 |
private void CreateLoader(string xml_file, XMLTVRuntimeInstance instance) |
private XMLTVRuntimeInstance gInstance; |
227 |
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public XMLTVRuntimeInstance GetInstance() { return gInstance; } |
228 |
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public XMLTVInstance(string xmlfile) |
229 |
{ |
{ |
230 |
//XMLTVLoader loader = new XMLTVLoader(xml_file, instance); |
try |
231 |
XMLTVLoader.CreateInstance(xml_file, instance); |
{ |
232 |
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CreateLoader(xmlfile); |
233 |
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CreateParser(); |
234 |
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} |
235 |
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catch (Exception ex) |
236 |
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{ |
237 |
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xmltv_logger.Error.WriteLine(ex.ToString()); |
238 |
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} |
239 |
} |
} |
240 |
private void CreateParser(XMLTVRuntimeInstance instance) |
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private void CreateLoader(string xml_file) |
242 |
{ |
{ |
243 |
//XMLTVParser parser = new XMLTVParser(instance); |
gInstance = new XMLTVRuntimeInstance(); |
244 |
XMLTVParser.CreateInstance(instance); |
bool bound_to_ctor = false; |
245 |
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object raw_instance = null; |
246 |
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Assembly asm = Assembly.GetExecutingAssembly(); |
247 |
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var types = asm.GetTypes(); |
248 |
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249 |
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foreach (var type in types) |
250 |
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{ |
251 |
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if (type.BaseType != null && type.BaseType == typeof(XMLTVBase<XMLTVRuntimeInstance>)) |
252 |
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{ |
253 |
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xmltv_logger.Verbose.Debug.WriteLine("Type: '{0}' Base: '{1}'", type.Name, type.BaseType == null ? "none" : type.BaseType.Name); |
254 |
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255 |
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BindingFlags flags = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance; |
256 |
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CultureInfo culture = CultureInfo.CurrentCulture; |
257 |
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object[] args = new object[] { xml_file, gInstance }; |
258 |
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try |
259 |
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{ |
260 |
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raw_instance = Activator.CreateInstance(type, flags, null, args, culture); |
261 |
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bound_to_ctor = true; |
262 |
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} |
263 |
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catch (Exception ex) |
264 |
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{ |
265 |
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Debug.WriteLine(ex.ToString()); |
266 |
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} |
267 |
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} |
268 |
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} |
269 |
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if (!bound_to_ctor) { throw new Exception("Unable to find a compatible XMLTV Data Loader."); } |
270 |
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if (raw_instance == null) { throw new NullReferenceException("Found a compatible XMLTV Data Loader, but it returned invalid data."); } |
271 |
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IGetInstance<XMLTVRuntimeInstance> getter_instance = (raw_instance as IGetInstance<XMLTVRuntimeInstance>); |
272 |
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if (getter_instance != null) { gInstance = getter_instance.GetInstance(); } |
273 |
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else { throw new Exception("Found a compatible XMLTV Data Loader, but was unable to obtain the instance holding the data"); } |
274 |
} |
} |
275 |
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private void CreateParser() |
276 |
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{ |
277 |
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var doc = XDocument.Parse(this.GetInstance().XmlDoc); |
278 |
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var root_element = doc.Root.Name; |
279 |
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if (root_element == null) { throw new NullReferenceException("Root element is null"); } |
280 |
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CreateRootHandler(root_element.ToString()); |
281 |
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|
282 |
public void Dispose() |
var nodes = doc.Root.Elements().ToList(); |
283 |
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284 |
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} |
285 |
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286 |
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287 |
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private void CreateRootHandler(string root_element) |
288 |
{ |
{ |
289 |
//throw new NotImplementedException(); |
object raw_instance = null; |
290 |
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BindingFlags flags = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance; |
291 |
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CultureInfo culture = CultureInfo.CurrentCulture; |
292 |
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Assembly asm = Assembly.GetExecutingAssembly(); |
293 |
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var types = asm.GetTypes(); |
294 |
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Type handler_type = null; |
295 |
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foreach (var type in types) |
296 |
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{ |
297 |
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if (type.BaseType != null && type.BaseType == typeof(XMLTVBase<XMLTVRuntimeInstance>)) |
298 |
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{ |
299 |
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try |
300 |
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{ |
301 |
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var handler_prop = type.GetProperty("Handler"); |
302 |
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if (handler_prop != null) |
303 |
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{ |
304 |
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raw_instance = Activator.CreateInstance(type, flags, null, new object[0], culture); |
305 |
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if (raw_instance != null) |
306 |
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{ |
307 |
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object handler_value = handler_prop.GetValue(raw_instance, null); |
308 |
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if (handler_value != null && handler_value.ToString() == root_element) |
309 |
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{ |
310 |
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handler_type = type; |
311 |
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break; |
312 |
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} |
313 |
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} |
314 |
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} |
315 |
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} |
316 |
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catch (Exception) { } |
317 |
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} |
318 |
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} |
319 |
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if (handler_type == null) { throw new Exception("Unable to find a compatible handler to parse document root."); } |
320 |
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raw_instance = Activator.CreateInstance(handler_type, flags, null, new object[] { gInstance }, culture); |
321 |
} |
} |
322 |
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323 |
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|
324 |
} |
} |
325 |
} |
} |