/[xmltv_parser]/trunk/libxmltv/Core/XMLTVSource.cs
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Contents of /trunk/libxmltv/Core/XMLTVSource.cs

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Revision 122 - (show annotations) (download)
Sun Mar 10 19:22:06 2013 UTC (7 years, 6 months ago) by william
File size: 5489 byte(s)

1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Text;
5 using libxmltv.Interfaces;
6 using System.Diagnostics;
7 using System.Xml.Linq;
8 using System.Reflection;
9 using System.IO;
10
11 namespace libxmltv.Core
12 {
13 [Serializable]
14 internal class XMLTVSource : XMLTVBase<XMLTVRuntimeInstance>, IXMLTVSource, IDisposable//, ICloneable
15 {
16 //static private List<string> known_columns;
17 //static XMLTVSource()
18 //{
19 // known_columns.Add("Source Name");
20 // known_columns.Add("Generator Name");
21 // known_columns.Add("Generator Url");
22 //}
23
24 private Dictionary<string, string> entries = new Dictionary<string, string>();
25 //internal static void CreateInstance(XMLTVRuntimeInstance xmltv)
26 //{
27 // using (XMLTVSource g = new XMLTVSource(xmltv)) { g.instance.Source = (IXMLTVSource)g.Clone(); }
28 //}
29
30 //private XMLTVRuntimeInstance instance;
31 //protected XMLTVSource(string sourcename, string generatorname, string generatorurl)
32 //{
33 // this.SourceName = sourcename;
34 // this.GeneratorName = generatorname;
35 // this.GeneratorUrl = generatorurl;
36 //}
37
38
39 public object CreateBindableDataSource()
40 {
41 object bindable = new object();
42
43 //List<PropertyValuePair> list = new List<PropertyValuePair>();
44 //list.Add(new PropertyValuePair("Source Name", SourceName));
45 //list.Add(new PropertyValuePair("Generator Name", GeneratorName));
46 //list.Add(new PropertyValuePair("Generator Url", GeneratorUrl));
47 bindable = this;
48 return bindable;
49 }
50
51 public XMLTVSource()
52 : base(null, XMLTVConstants.Root.RootElement)
53 {
54 this.SourceName = string.Empty;
55 this.GeneratorName = string.Empty;
56 this.GeneratorUrl = string.Empty;
57 }
58 public XMLTVSource(XMLTVRuntimeInstance instance)
59 : base(instance, XMLTVConstants.Root.RootElement)
60 {
61 try {
62 xmltv_logger.Verbose.Debug.WriteLine("Creating Instance of XMLTVSource");
63 Create();
64 xmltv_logger.Verbose.Debug.WriteLine("Created Instance of XMLTVSource '{0}'", SourceName);
65 UpdateInstance();
66 }
67 catch (IOException ex) { Debug.WriteLine(ex.ToString()); }
68 }
69
70 private void UpdateInstance()
71 {
72 bool found_field = false;
73 var instance_type = this.GetInstance().GetType();
74 var fields = instance_type.GetFields(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
75 foreach (var field in fields)
76 {
77 if (field.FieldType == typeof(IXMLTVSource))
78 {
79 found_field = true;
80 try
81 {
82 xmltv_logger.Verbose.Debug.WriteLine("Updating instance with source information: {0}", this.ToString());
83 field.SetValue(this.GetInstance(), this);
84 break;
85 }
86 catch (Exception ex)
87 {
88 xmltv_logger.Verbose.Error.WriteLine("Unable to update instance with source information.");
89 xmltv_logger.Verbose.Error.WriteLine(ex.ToString());
90 }
91 }
92 }
93 if (!found_field)
94 {
95 xmltv_logger.Verbose.Error.WriteLine("Unable to update instance with source information.");
96 }
97 }
98
99 #region IXMLTVSource
100 //private IXMLTV_PARSER XMLTV_PARSER { get; set; }
101 public string SourceName { get; private set; }
102 public string GeneratorName { get; private set; }
103 public string GeneratorUrl { get; private set; }
104 #endregion
105
106 private void Create()
107 {
108 var doc = XDocument.Parse(this.GetInstance().XmlDoc);
109 Debug.Assert(doc.Root.Name == XMLTVConstants.Root.RootElement, string.Format("Expected Root Element: '{0}' but read: '{1}'", XMLTVConstants.Root.RootElement, doc.Root.Name));
110 //xmltv_logger.Verbose.Debug.WriteLine("\tRoot: {0}", doc.Root.Name);
111 var attributes = doc.Root.Attributes().ToList();
112 foreach (var attribute in attributes)
113 {
114 xmltv_logger.Verbose.Debug.WriteLine("\t{0}: {1}", attribute.Name, attribute.Value);
115 entries.Add(attribute.Name.ToString(), attribute.Value);
116 }
117
118 SourceName = entries[XMLTVConstants.Source.SourceName];
119 GeneratorName = entries[XMLTVConstants.Source.GeneratorName];
120 GeneratorUrl = entries[XMLTVConstants.Source.GeneratorUrl];
121
122 }
123 public override string ToString()
124 {
125 return string.Format("XmlTv Source: '{0}' (Generated by: '{1}') (support: '{2}')", SourceName, GeneratorName, GeneratorUrl);
126 }
127
128 public void Dispose()
129 {
130 //throw new NotImplementedException();
131 }
132
133 //public object Clone()
134 //{
135 // return new XMLTVSource(this.SourceName, this.GeneratorName, this.GeneratorUrl);
136 //}
137 }
138 }

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