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//
// ObjectDescription.cs
//
// Author:
// Lluis Sanchez Gual
//
// Copyright (C) 2007 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections.Specialized;
using System.Xml;
using Mono.Addins.Serialization;
namespace Mono.Addins.Description
{
/// <summary>
/// Base class for add-in description definitions.
/// </summary>
public class ObjectDescription: IBinaryXmlElement
{
internal XmlElement Element;
object parent;
internal ObjectDescription (XmlElement elem)
{
Element = elem;
}
internal ObjectDescription ()
{
}
/// <summary>
/// Gets the parent object.
/// </summary>
/// <value>
/// The parent object.
/// </value>
public object Parent {
get { return parent; }
}
/// <summary>
/// Gets the parent add-in description.
/// </summary>
/// <value>
/// The parent add-in description.
/// </value>
public AddinDescription ParentAddinDescription {
get {
if (parent is AddinDescription)
return (AddinDescription) parent;
else if (parent is ObjectDescription)
return ((ObjectDescription)parent).ParentAddinDescription;
else
return null;
}
}
internal string ParseString (string s)
{
var desc = ParentAddinDescription;
if (desc != null)
return desc.ParseString (s);
else
return s;
}
internal void SetParent (object ob)
{
parent = ob;
}
void IBinaryXmlElement.Write (BinaryXmlWriter writer)
{
Write (writer);
}
void IBinaryXmlElement.Read (BinaryXmlReader reader)
{
Read (reader);
}
internal virtual void Write (BinaryXmlWriter writer)
{
}
internal virtual void Read (BinaryXmlReader reader)
{
}
internal virtual void SaveXml (XmlElement parent)
{
}
internal void CreateElement (XmlElement parent, string nodeName)
{
if (Element == null) {
Element = parent.OwnerDocument.CreateElement (nodeName);
parent.AppendChild (Element);
}
}
internal string ReadXmlDescription ()
{
XmlElement de = Element ["Description"];
if (de != null)
return de.InnerText;
else
return null;
}
internal void SaveXmlDescription (string desc)
{
XmlElement de = Element ["Description"];
if (desc != null && desc.Length > 0) {
if (de == null) {
de = Element.OwnerDocument.CreateElement ("Description");
Element.AppendChild (de);
}
de.InnerText = desc;
} else {
if (de != null)
Element.RemoveChild (de);
}
}
internal virtual void Verify (string location, StringCollection errors)
{
}
internal void VerifyNotEmpty (string location, StringCollection errors, string attr, string val)
{
if (val == null || val.Length == 0)
errors.Add (location + ": attribute '" + attr + "' can't be empty.");
}
}
}
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