2008-12-06 Ivan N. Zlatev <contact@i-nz.net>
[mono.git] / mcs / class / System.Configuration / System.Configuration / Configuration.cs
index 100ed8a08e6e8e0fd1f6625bd3b9a69a0f9e54a1..4ec8e5ad01e6654a4390ce51ad131a37f68ee0aa 100644 (file)
@@ -51,10 +51,14 @@ namespace System.Configuration {
                
                string configPath;
                string locationConfigPath;
-                       
-               internal Configuration (Configuration parent)
+               string locationSubPath;
+
+               internal Configuration (Configuration parent, string locationSubPath)
                {
-                       Init (parent.system, null, parent);
+                       this.parent = parent;
+                       this.system = parent.system;
+                       this.rootGroup = parent.rootGroup;
+                       this.locationSubPath = locationSubPath;
                }
                
                internal Configuration (InternalConfigurationSystem system, string locationSubPath)
@@ -109,7 +113,7 @@ namespace System.Configuration {
                                rootGroup.StreamName = streamName;
                        }
                        
-                       if (configPath != null)
+                       if (streamName != null)
                                Load ();
                }
                
@@ -138,6 +142,19 @@ namespace System.Configuration {
                        get { return locationConfigPath; }
                }
 
+               internal string GetLocationSubPath ()
+               {
+                       Configuration confg = parent;
+                       string path = null;
+                       while (confg != null) {
+                               path = confg.locationSubPath;
+                               if (!String.IsNullOrEmpty (path))
+                                       return path;
+                               confg = confg.parent;
+                       }
+                       return path;
+               }
+
                internal string ConfigPath {
                        get { return configPath; }
                }
@@ -150,8 +167,15 @@ namespace System.Configuration {
                        get { return (ConnectionStringsSection) GetSection ("connectionStrings"); }
                }
 
+               // MSDN: If the value for this FilePath property represents a merged view and 
+               // no actual file exists for the application, the path to the parent configuration 
+               // file is returned.
                public string FilePath {
-                       get { return streamName; }
+                       get {
+                               if (streamName == null && parent != null)
+                                       return parent.FilePath;
+                               return streamName;
+                       }
                }
 
                public bool HasFile {
@@ -160,12 +184,15 @@ namespace System.Configuration {
                        }
                }
 
-               [MonoTODO ("HostingContext")]
                ContextInformation evaluationContext;
                public ContextInformation EvaluationContext {
                        get {
-                               if (evaluationContext == null)
-                                       evaluationContext = new ContextInformation (this, null /* XXX */);
+                               if (evaluationContext == null) {
+                                       object ctx = system.Host.CreateConfigurationContext (configPath, GetLocationSubPath() );
+                                       evaluationContext = new ContextInformation (this, ctx);
+                               }
+
+
                                return evaluationContext;
                        }
                }
@@ -189,11 +216,11 @@ namespace System.Configuration {
                                        rootSectionGroup.Initialize (this, rootGroup);
                                }
                                return rootSectionGroup;
-                       }                        
+                       }
                }
 
                public ConfigurationSectionGroupCollection SectionGroups {
-                       get { return RootSectionGroup.SectionGroups; }                        
+                       get { return RootSectionGroup.SectionGroups; }
                }
 
                public ConfigurationSectionCollection Sections {
@@ -238,15 +265,28 @@ namespace System.Configuration {
                                ds.SectionHandler = secObj as IConfigurationSectionHandler;
                                sec = ds;
                        }
+                       sec.Configuration = this;
 
-                       ConfigurationSection parentSection = parent != null ? parent.GetSectionInstance (config, true) : null;
-                       sec.RawXml = data as string;
+                       ConfigurationSection parentSection = null;
+                       if (parent != null) {
+                               parentSection = parent.GetSectionInstance (config, true);
+                               sec.SectionInformation.SetParentSection (parentSection);
+                       }
+                       sec.SectionInformation.ConfigFilePath = FilePath;
+
+                       sec.ConfigContext = system.Host.CreateDeprecatedConfigContext(configPath);
+                       
+                       string xml = data as string;
+                       sec.RawXml = xml;
                        sec.Reset (parentSection);
 
-                       if (data is string) {
-                               XmlTextReader r = new XmlTextReader (new StringReader (data as string));
+                       if (xml != null && xml == data) {
+                               XmlTextReader r = new ConfigXmlTextReader (new StringReader (xml), FilePath);
                                sec.DeserializeSection (r);
                                r.Close ();
+
+                               if (!String.IsNullOrEmpty (sec.SectionInformation.ConfigSource) && !String.IsNullOrEmpty (FilePath))
+                                       sec.DeserializeConfigSource (Path.GetDirectoryName (FilePath));
                        }
                        
                        elementData [config] = sec;
@@ -287,10 +327,10 @@ namespace System.Configuration {
                                object ctx = sec.SectionInformation.AllowExeDefinition != ConfigurationAllowExeDefinition.MachineToApplication ? (object) sec.SectionInformation.AllowExeDefinition : (object) sec.SectionInformation.AllowDefinition;
                                throw new ConfigurationErrorsException ("The section <" + name + "> can't be defined in this configuration file (the allowed definition context is '" + ctx + "').");
                        }
-                                               
+
                        if (sec.SectionInformation.Type == null)
                                sec.SectionInformation.Type = system.Host.GetConfigTypeName (sec.GetType ());
-                       
+
                        SectionInfo section = new SectionInfo (name, sec.SectionInformation);
                        section.StreamName = streamName;
                        section.ConfigHost = system.Host;
@@ -309,6 +349,8 @@ namespace System.Configuration {
                        section.ConfigHost = system.Host;
                        parentGroup.AddChild (section);
                        elementData [section] = sec;
+
+                       sec.Initialize (this, section);
                }
                
                internal void RemoveConfigInfo (ConfigInfo config)
@@ -333,7 +375,7 @@ namespace System.Configuration {
                        try {
                                Save (stream, mode, forceUpdateAll);
                                system.Host.WriteCompleted (streamName, true, ctx);
-                       } catch (Exception ex) {
+                       } catch (Exception) {
                                system.Host.WriteCompleted (streamName, false, ctx);
                                throw;
                        } finally {
@@ -350,10 +392,13 @@ namespace System.Configuration {
                {
                        SaveAs (filename, mode, false);
                }
-               
-               [MonoTODO ("Detect if file has changed")]
+
+               [MonoInternalNote ("Detect if file has changed")]
                public void SaveAs (string filename, ConfigurationSaveMode mode, bool forceUpdateAll)
                {
+                       string dir = Path.GetDirectoryName (Path.GetFullPath (filename));
+                       if (!Directory.Exists (dir))
+                               Directory.CreateDirectory (dir);
                        Save (new FileStream (filename, FileMode.OpenOrCreate, FileAccess.Write), mode, forceUpdateAll);
                }
 
@@ -401,30 +446,26 @@ namespace System.Configuration {
                
                bool Load ()
                {
-                       if (streamName == null || streamName == "")
+                       if (String.IsNullOrEmpty (streamName))
                                return true;
 
-                       XmlTextReader reader = null;
                        Stream stream = null;
                        
+                       // FIXME: we should remove this kind of hack that
+                       // hides the actual error
                        try {
                                stream = system.Host.OpenStreamForRead (streamName);
-                       } catch (Exception e) {
+                       } catch (Exception) {
                                return false;
                        }
 
-                       try {
-                               reader = new XmlTextReader (stream);
+                       using (XmlTextReader reader = new ConfigXmlTextReader (stream, streamName)) {
                                ReadConfigFile (reader, streamName);
-                       } finally {
-                               if (reader != null)
-                                       reader.Close();
                        }
                        return true;
                }
 
-
-               internal void ReadConfigFile (XmlTextReader reader, string fileName)
+               void ReadConfigFile (XmlReader reader, string fileName)
                {
                        reader.MoveToContent ();
 
@@ -460,16 +501,17 @@ namespace System.Configuration {
                        
                        rootGroup.ReadRootData (reader, this, true);
                }
-               
-               internal void ReadData (XmlTextReader reader, bool allowOverride)
+
+               internal void ReadData (XmlReader reader, bool allowOverride)
                {
-                       rootGroup.ReadRootData (reader, this, allowOverride);
+                       rootGroup.ReadData (this, reader, allowOverride);
                }
                
 
-               private void ThrowException (string text, XmlTextReader reader)
+               private void ThrowException (string text, XmlReader reader)
                {
-                       throw new ConfigurationException (text, streamName, reader.LineNumber);
+                       IXmlLineInfo li = reader as IXmlLineInfo;
+                       throw new ConfigurationException (text, streamName, li != null ? li.LineNumber : 0);
                }
        }
 }