/[RomCheater]/trunk/RomCheater.PluginFramework/Core/PluginLoader.cs
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Annotation of /trunk/RomCheater.PluginFramework/Core/PluginLoader.cs

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Revision 87 - (hide annotations) (download)
Wed May 9 19:51:42 2012 UTC (8 years, 8 months ago) by william
File size: 8051 byte(s)
+ add support for loading and saving config plugins

1 william 83 using System;
2     using System.Collections.Generic;
3     using System.Linq;
4     using System.Text;
5     using RomCheater.PluginFramework.Interfaces;
6     using RomCheater.Logging;
7 william 84 using System.IO;
8 william 85 using System.Reflection;
9 william 83
10     namespace RomCheater.PluginFramework.Core
11     {
12     public class PluginLoader : IPluginLoader
13     {
14     public PluginLoader()
15     {
16     LoadedConfigPlugins = new List<IConfigPlugin>();
17     LoadedInputPlugins = new List<IInputPlugin>();
18     LoadedWindowPlugins = new List<IWindowPlugin>();
19     }
20     #region IPluginLoader Members
21    
22     public void LoadPlugins()
23     {
24 william 85 try
25     {
26     logger.Info.WriteLine("Loading Plugins...");
27 william 84
28 william 85 string PluginPath = string.Format(@"{0}\Plugins", typeof(PluginLoader).Assembly.Location.Replace(@"\RomCheater.PluginFramework.dll", ""));
29     logger.Debug.WriteLine("Plugins Path: {0}", PluginPath);
30     List<string> dlls = new List<string>(Directory.GetFiles(PluginPath, "*.dll"));
31     logger.Debug.WriteLine(" Found: {0} plugin dlls", dlls.Count);
32     foreach (string dll in dlls)
33     {
34     FileInfo fi = new FileInfo(dll);
35     logger.Debug.WriteLine(" plugin[{0}]: {1}", dlls.IndexOf(dll), fi.Name);
36     GetConfigPluginsFromDll(fi);
37     GetInputPluginsFromDll(fi);
38     GetWindowPluginsFromDll(fi);
39     }
40    
41     logger.Info.WriteLine(" Loaded {0} config plugins", LoadedConfigPlugins.Count);
42     logger.Info.WriteLine(" Loaded {0} input plugins", LoadedInputPlugins.Count);
43     logger.Info.WriteLine(" Loaded {0} window plugins", LoadedWindowPlugins.Count);
44    
45     logger.Info.WriteLine("Plugins Loaded.");
46     }
47 william 86 catch (ReflectionTypeLoadException ex)
48     {
49     StringBuilder builder = new StringBuilder();
50     if (ex.LoaderExceptions.Count() > 0)
51     {
52     foreach (Exception c in ex.LoaderExceptions)
53     {
54     builder.AppendLine(c.ToString());
55     }
56     }
57     logger.Error.WriteLine("Failed to load one or more plugins{0}Possible Reason:{0}{1}", System.Environment.NewLine, builder.ToString());
58     }
59 william 85 catch (Exception ex)
60 william 84 {
61 william 85 logger.Error.WriteLine("Failed to load one or more plugins{0}Possible Reason:{0}{1}", System.Environment.NewLine, ex.ToString());
62 william 84 }
63 william 83 }
64     public List<IConfigPlugin> LoadedConfigPlugins { get; private set; }
65     public List<IInputPlugin> LoadedInputPlugins { get; private set; }
66     public List<IWindowPlugin> LoadedWindowPlugins { get; private set; }
67 william 87
68     public IConfigPlugin GetConfigPlugin(string t)
69     {
70     foreach (IConfigPlugin c in LoadedConfigPlugins) { if (c.ToString().ToLower() == t.ToLower()) { return c; } }
71     return null;
72     }
73     public IInputPlugin GetInputPlugin(string t)
74     {
75     foreach (IInputPlugin c in LoadedInputPlugins) { if (c.ToString().ToLower() == t.ToLower()) { return c; } }
76     return null;
77     }
78     public IWindowPlugin GetWindowPlugin(string t)
79     {
80     foreach (IWindowPlugin c in LoadedWindowPlugins) { if (c.ToString().ToLower() == t.ToLower()) { return c; } }
81     return null;
82     }
83    
84 william 83 #endregion
85 william 85
86     private void GetConfigPluginsFromDll(FileInfo dll)
87     {
88     logger.Debug.WriteLine(" Getting Config plugins contained in {0}", dll.Name);
89     Assembly asm = Assembly.LoadFile(dll.FullName);
90     List<Type> types = new List<Type>(asm.GetTypes());
91     foreach (Type type in types)
92     {
93     if (type.BaseType == typeof(ConfigPlugin))
94     {
95     ConstructorInfo ci = null;
96     ci = type.GetConstructor(new Type[] {});
97     if (ci == null)
98     {
99     throw new NullReferenceException(string.Format("Unable to bind to constructor for type: {0}", type.Name));
100     }
101     else
102     {
103     object o = ci.Invoke(new object[] { });
104     IConfigPlugin c = (IConfigPlugin)o;
105     if (c == null)
106     {
107     throw new NullReferenceException(string.Format("Failed to cast type {0} to IConfigPlugin", type.Name));
108     }
109     else
110     {
111     logger.Debug.WriteLine(" Loaded Config Plugin [name={0}] from {1}", c.Name, dll.Name);
112     LoadedConfigPlugins.Add(c);
113     }
114     }
115     }
116     }
117     }
118     private void GetInputPluginsFromDll(FileInfo dll)
119     {
120     logger.Debug.WriteLine(" Getting Input plugins contained in {0}", dll.Name);
121     Assembly asm = Assembly.LoadFile(dll.FullName);
122     List<Type> types = new List<Type>(asm.GetTypes());
123     foreach (Type type in types)
124     {
125     if (type.BaseType == typeof(InputPlugin))
126     {
127     ConstructorInfo ci = null;
128     ci = type.GetConstructor(new Type[] { });
129     if (ci == null)
130     {
131     throw new NullReferenceException(string.Format("Unable to bind to constructor for type: {0}", type.Name));
132     }
133     else
134     {
135     object o = ci.Invoke(new object[] { });
136     IInputPlugin c = (IInputPlugin)o;
137     if (c == null)
138     {
139     throw new NullReferenceException(string.Format("Failed to cast type {0} to IConfigPlugin", type.Name));
140     }
141     else
142     {
143     logger.Debug.WriteLine(" Loaded Input Plugin [name={0}] from {1}", c.Name, dll.Name);
144     LoadedInputPlugins.Add(c);
145     }
146     }
147     }
148     }
149     }
150     private void GetWindowPluginsFromDll(FileInfo dll)
151     {
152     logger.Debug.WriteLine(" Getting Window plugins contained in {0}", dll.Name);
153     Assembly asm = Assembly.LoadFile(dll.FullName);
154     List<Type> types = new List<Type>(asm.GetTypes());
155     foreach (Type type in types)
156     {
157     if (type.BaseType == typeof(WindowPlugin))
158     {
159     ConstructorInfo ci = null;
160     ci = type.GetConstructor(new Type[] { });
161     if (ci == null)
162     {
163     throw new NullReferenceException(string.Format("Unable to bind to constructor for type: {0}", type.Name));
164     }
165     else
166     {
167     object o = ci.Invoke(new object[] { });
168     IWindowPlugin c = (IWindowPlugin)o;
169     if (c == null)
170     {
171     throw new NullReferenceException(string.Format("Failed to cast type {0} to IConfigPlugin", type.Name));
172     }
173     else
174     {
175     logger.Debug.WriteLine(" Loaded Window Plugin [name={0}] from {1}", c.Name, dll.Name);
176     LoadedWindowPlugins.Add(c);
177     }
178     }
179     }
180     }
181     }
182 william 83 }
183     }

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