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Viewing changes to external/mono-addins/Mono.Addins/Mono.Addins.Database/DatabaseConfiguration.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2013-05-12 09:46:03 UTC
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130512094603-mad323bzcxvmcam0
Tags: upstream-4.0.5+dfsg
Import upstream version 4.0.5+dfsg

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external/mono-addins/Mono.Addins/Mono.Addins.Database/DatabaseConfiguration.cs
 
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//
 
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// DatabaseConfiguration.cs
 
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//
 
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// Author:
 
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//   Lluis Sanchez Gual
 
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//
 
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// Copyright (C) 2007 Novell, Inc (http://www.novell.com)
 
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//
 
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// Permission is hereby granted, free of charge, to any person obtaining
 
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// a copy of this software and associated documentation files (the
 
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// "Software"), to deal in the Software without restriction, including
 
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// without limitation the rights to use, copy, modify, merge, publish,
 
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// distribute, sublicense, and/or sell copies of the Software, and to
 
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// permit persons to whom the Software is furnished to do so, subject to
 
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// the following conditions:
 
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// 
 
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// The above copyright notice and this permission notice shall be
 
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// included in all copies or substantial portions of the Software.
 
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// 
 
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
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//
 
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using System;
 
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using System.Linq;
 
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using System.IO;
 
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using System.Collections;
 
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using System.Collections.Generic;
 
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using System.Xml;
 
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namespace Mono.Addins.Database
 
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{
 
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        internal class DatabaseConfiguration
 
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        {
 
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                Dictionary<string,AddinStatus> addinStatus = new Dictionary<string,AddinStatus> ();
 
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                internal class AddinStatus
 
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                {
 
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                        public AddinStatus (string addinId)
 
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                        {
 
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                                this.AddinId = addinId;
 
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                        }
 
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                        public string AddinId;
 
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                        public bool Enabled;
 
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                        public bool Uninstalled;
 
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                        public List<string> Files;
 
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                }
 
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                public bool IsEnabled (string addinId, bool defaultValue)
 
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                {
 
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                        AddinStatus s;
 
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                        if (addinStatus.TryGetValue (addinId, out s))
 
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                                return s.Enabled && !s.Uninstalled;
 
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                        else
 
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                                return defaultValue;
 
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                }
 
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                public void SetStatus (string addinId, bool enabled, bool defaultValue)
 
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                {
 
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                        AddinStatus s;
 
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                        addinStatus.TryGetValue (addinId, out s);
 
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                        if (s != null && s.Uninstalled)
 
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                                return;
 
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                        if (enabled == defaultValue) {
 
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                                addinStatus.Remove (addinId);
 
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                                return;
 
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                        }
 
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                        if (s == null)
 
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                                s = addinStatus [addinId] = new AddinStatus (addinId);
 
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                        s.Enabled = enabled;
 
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                }
 
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                public void RegisterForUninstall (string addinId, IEnumerable<string> files)
 
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                {
 
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                        AddinStatus s;
 
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                        if (!addinStatus.TryGetValue (addinId, out s))
 
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                                s = addinStatus [addinId] = new AddinStatus (addinId);
 
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                        s.Enabled = false;
 
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                        s.Uninstalled = true;
 
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                        s.Files = new List<string> (files);
 
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                }
 
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                public void UnregisterForUninstall (string addinId)
 
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                {
 
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                        addinStatus.Remove (addinId);
 
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                }
 
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                public bool IsRegisteredForUninstall (string addinId)
 
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                {
 
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                        AddinStatus s;
 
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                        if (addinStatus.TryGetValue (addinId, out s))
 
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                                return s.Uninstalled;
 
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                        else
 
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                                return false;
 
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                }
 
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                public bool HasPendingUninstalls {
 
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                        get { return addinStatus.Values.Where (s => s.Uninstalled).Any (); }
 
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                }
 
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                public AddinStatus[] GetPendingUninstalls ()
 
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                {
 
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                        return addinStatus.Values.Where (s => s.Uninstalled).ToArray ();
 
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                }
 
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                public static DatabaseConfiguration Read (string file)
 
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                {
 
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                        DatabaseConfiguration config = new DatabaseConfiguration ();
 
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                        XmlDocument doc = new XmlDocument ();
 
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                        doc.Load (file);
 
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                        XmlElement disabledElem = (XmlElement) doc.DocumentElement.SelectSingleNode ("DisabledAddins");
 
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                        if (disabledElem != null) {
 
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                                // For back compatibility
 
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                                foreach (XmlElement elem in disabledElem.SelectNodes ("Addin"))
 
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                                        config.SetStatus (elem.InnerText, false, true);
 
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                                return config;
 
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                        }
 
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                        XmlElement statusElem = (XmlElement) doc.DocumentElement.SelectSingleNode ("AddinStatus");
 
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                        if (statusElem != null) {
 
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                                foreach (XmlElement elem in statusElem.SelectNodes ("Addin")) {
 
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                                        AddinStatus status = new AddinStatus (elem.GetAttribute ("id"));
 
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                                        string senabled = elem.GetAttribute ("enabled");
 
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                                        status.Enabled = senabled.Length == 0 || senabled == "True";
 
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                                        status.Uninstalled = elem.GetAttribute ("uninstalled") == "True";
 
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                                        config.addinStatus [status.AddinId] = status;
 
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                                        foreach (XmlElement fileElem in elem.SelectNodes ("File")) {
 
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                                                if (status.Files == null)
 
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                                                        status.Files = new List<string> ();
 
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                                                status.Files.Add (fileElem.InnerText);
 
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                                        }
 
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                                }
 
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                        }
 
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                        return config;
 
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                }
 
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                public void Write (string file)
 
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                {
 
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                        StreamWriter s = new StreamWriter (file);
 
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                        using (s) {
 
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                                XmlTextWriter tw = new XmlTextWriter (s);
 
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                                tw.Formatting = Formatting.Indented;
 
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                                tw.WriteStartElement ("Configuration");
 
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                                tw.WriteStartElement ("AddinStatus");
 
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                                foreach (AddinStatus e in addinStatus.Values) {
 
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                                        tw.WriteStartElement ("Addin");
 
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                                        tw.WriteAttributeString ("id", e.AddinId);
 
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                                        tw.WriteAttributeString ("enabled", e.Enabled.ToString ());
 
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                                        if (e.Uninstalled)
 
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                                                tw.WriteAttributeString ("uninstalled", "True");
 
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                                        if (e.Files != null && e.Files.Count > 0) {
 
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                                                foreach (var f in e.Files)
 
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                                                        tw.WriteElementString ("File", f);
 
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                                        }
 
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                                        tw.WriteEndElement ();
 
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                                }
 
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                                tw.WriteEndElement (); // AddinStatus
 
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                                tw.WriteEndElement (); // Configuration
 
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                        }
 
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                }
 
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        }
 
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}