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Viewing changes to external/mono-addins/Mono.Addins/Mono.Addins.Description/ObjectDescription.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.Description/ObjectDescription.cs
 
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//
 
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// ObjectDescription.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.Collections.Specialized;
 
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using System.Xml;
 
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using Mono.Addins.Serialization;
 
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namespace Mono.Addins.Description
 
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{
 
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        /// <summary>
 
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        /// Base class for add-in description definitions.
 
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        /// </summary>
 
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        public class ObjectDescription: IBinaryXmlElement
 
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        {
 
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                internal XmlElement Element;
 
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                object parent;
 
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                internal ObjectDescription (XmlElement elem)
 
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                {
 
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                        Element = elem;
 
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                }
 
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                internal ObjectDescription ()
 
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                {
 
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                }
 
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                /// <summary>
 
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                /// Gets the parent object.
 
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                /// </summary>
 
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                /// <value>
 
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                /// The parent object.
 
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                /// </value>
 
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                public object Parent {
 
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                        get { return parent; }
 
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                }
 
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                /// <summary>
 
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                /// Gets the parent add-in description.
 
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                /// </summary>
 
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                /// <value>
 
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                /// The parent add-in description.
 
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                /// </value>
 
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                public AddinDescription ParentAddinDescription {
 
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                        get {
 
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                                if (parent is AddinDescription)
 
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                                        return (AddinDescription) parent;
 
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                                else if (parent is ObjectDescription)
 
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                                        return ((ObjectDescription)parent).ParentAddinDescription;
 
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                                else
 
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                                        return null;
 
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                        }
 
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                }
 
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                internal string ParseString (string s)
 
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                {
 
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                        var desc = ParentAddinDescription;
 
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                        if (desc != null)
 
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                                return desc.ParseString (s);
 
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                        else
 
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                                return s;
 
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                }
 
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                internal void SetParent (object ob)
 
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                {
 
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                        parent = ob;
 
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                }
 
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                void IBinaryXmlElement.Write (BinaryXmlWriter writer)
 
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                {
 
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                        Write (writer);
 
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                }
 
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                void IBinaryXmlElement.Read (BinaryXmlReader reader)
 
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                {
 
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                        Read (reader);
 
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                }
 
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                internal virtual void Write (BinaryXmlWriter writer)
 
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                {
 
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                }
 
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                internal virtual void Read (BinaryXmlReader reader)
 
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                {
 
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                }
 
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                internal virtual void SaveXml (XmlElement parent)
 
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                {
 
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                }
 
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                internal void CreateElement (XmlElement parent, string nodeName)
 
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                {
 
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                        if (Element == null) {
 
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                                Element = parent.OwnerDocument.CreateElement (nodeName); 
 
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                                parent.AppendChild (Element);
 
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                        }
 
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                }
 
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                internal string ReadXmlDescription ()
 
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                {
 
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                        XmlElement de = Element ["Description"];
 
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                        if (de != null)
 
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                                return de.InnerText;
 
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                        else
 
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                                return null;
 
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                }
 
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                internal void SaveXmlDescription (string desc)
 
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                {
 
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                        XmlElement de = Element ["Description"];
 
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                        if (desc != null && desc.Length > 0) {
 
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                                if (de == null) {
 
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                                        de = Element.OwnerDocument.CreateElement ("Description");
 
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                                        Element.AppendChild (de);
 
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                                }
 
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                                de.InnerText = desc;
 
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                        } else {
 
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                                if (de != null)
 
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                                        Element.RemoveChild (de);
 
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                        }
 
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                }
 
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                internal virtual void Verify (string location, StringCollection errors)
 
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                {
 
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                }
 
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                internal void VerifyNotEmpty (string location, StringCollection errors, string attr, string val)
 
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                {
 
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                        if (val == null || val.Length == 0)
 
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                                errors.Add (location + ": attribute '" + attr + "' can't be empty.");
 
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                }
 
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        }
 
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}