2 // System.Configuration.ConfigInfo.cs
5 // Lluis Sanchez (lluis@novell.com)
7 // Permission is hereby granted, free of charge, to any person obtaining
8 // a copy of this software and associated documentation files (the
9 // "Software"), to deal in the Software without restriction, including
10 // without limitation the rights to use, copy, modify, merge, publish,
11 // distribute, sublicense, and/or sell copies of the Software, and to
12 // permit persons to whom the Software is furnished to do so, subject to
13 // the following conditions:
15 // The above copyright notice and this permission notice shall be
16 // included in all copies or substantial portions of the Software.
18 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
21 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
22 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
30 using System.Collections;
31 using System.Collections.Specialized;
35 using System.Configuration.Internal;
37 namespace System.Configuration {
39 internal abstract class ConfigInfo
42 public string TypeName;
45 public ConfigInfo Parent;
46 public IInternalConfigHost ConfigHost;
48 public virtual object CreateInstance ()
50 if (Type == null) Type = ConfigHost.GetConfigType (TypeName, true);
51 return Activator.CreateInstance (Type);
56 StringBuilder path = new StringBuilder (Name);
57 ConfigInfo cinfo = Parent;
58 while (cinfo != null) {
59 path.Insert (0, cinfo.Name + "/");
62 return path.ToString ();
66 public string StreamName {
67 get { return streamName; }
68 set { streamName = value; }
71 public abstract bool HasConfigContent (Configuration cfg);
72 public abstract bool HasDataContent (Configuration cfg);
74 protected void ThrowException (string text, XmlTextReader reader)
76 throw new ConfigurationErrorsException (text, StreamName, reader.LineNumber);
79 public abstract void ReadConfig (Configuration cfg, string streamName, XmlTextReader reader);
80 public abstract void WriteConfig (Configuration cfg, XmlWriter writer, ConfigurationSaveMode mode);
81 public abstract void ReadData (Configuration config, XmlTextReader reader, bool overrideAllowed);
82 public abstract void WriteData (Configuration config, XmlWriter writer, ConfigurationSaveMode mode);
84 internal abstract void Merge (ConfigInfo data);