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AddinInfo.cs

//
// AddinInfo.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.IO;
using System.Collections;
using System.Xml;
using System.Xml.Serialization;
using Mono.Addins.Description;

namespace Mono.Addins.Setup
{
      internal class AddinInfo: AddinHeader
      {
            string id = "";
            string namspace = "";
            string name = "";
            string version = "";
            string baseVersion = "";
            string author = "";
            string copyright = "";
            string url = "";
            string description = "";
            string category = "";
            DependencyCollection dependencies;
            DependencyCollection optionalDependencies;
            
            public AddinInfo ()
            {
                  dependencies = new DependencyCollection ();
                  optionalDependencies = new DependencyCollection ();
            }
            
            public string Id {
                  get { return Addin.GetFullId (namspace, id, version); }
            }
            
            [XmlElement ("Id")]
            public string LocalId {
                  get { return id; }
                  set { id = value; }
            }
            
            public string Namespace {
                  get { return namspace; }
                  set { namspace = value; }
            }
            
            public string Name {
                  get {
                        if (name != null && name.Length > 0)
                              return name;
                        string sid = id;
                        if (sid.StartsWith ("__"))
                              sid = sid.Substring (2);
                        return Addin.GetFullId (namspace, sid, null); 
                  }
                  set { name = value; }
            }
            
            public string Version {
                  get { return version; }
                  set { version = value; }
            }
            
            public string BaseVersion {
                  get { return baseVersion; }
                  set { baseVersion = value; }
            }
            
            public string Author {
                  get { return author; }
                  set { author = value; }
            }
            
            public string Copyright {
                  get { return copyright; }
                  set { copyright = value; }
            }
            
            public string Url {
                  get { return url; }
                  set { url = value; }
            }
            
            public string Description {
                  get { return description; }
                  set { description = value; }
            }
            
            public string Category {
                  get { return category; }
                  set { category = value; }
            }
            
            [XmlArrayItem ("AddinDependency", typeof(AddinDependency))]
            [XmlArrayItem ("NativeDependency", typeof(NativeDependency))]
            [XmlArrayItem ("AssemblyDependency", typeof(AssemblyDependency))]
            public DependencyCollection Dependencies {
                  get { return dependencies; }
            }
            
            [XmlArrayItem ("AddinDependency", typeof(AddinDependency))]
            [XmlArrayItem ("NativeDependency", typeof(NativeDependency))]
            [XmlArrayItem ("AssemblyDependency", typeof(AssemblyDependency))]
            public DependencyCollection OptionalDependencies {
                  get { return optionalDependencies; }
            }
            
            public static AddinInfo ReadFromAddinFile (StreamReader r)
            {
                  XmlDocument doc = new XmlDocument ();
                  doc.Load (r);
                  r.Close ();
                  
                  AddinInfo info = new AddinInfo ();
                  info.id = doc.DocumentElement.GetAttribute ("id");
                  info.namspace = doc.DocumentElement.GetAttribute ("namespace");
                  info.name = doc.DocumentElement.GetAttribute ("name");
                  if (info.id == "") info.id = info.name;
                  info.version = doc.DocumentElement.GetAttribute ("version");
                  info.author = doc.DocumentElement.GetAttribute ("author");
                  info.copyright = doc.DocumentElement.GetAttribute ("copyright");
                  info.url = doc.DocumentElement.GetAttribute ("url");
                  info.description = doc.DocumentElement.GetAttribute ("description");
                  info.category = doc.DocumentElement.GetAttribute ("category");
                  info.baseVersion = doc.DocumentElement.GetAttribute ("compatVersion");

                  ReadDependencies (info.Dependencies, info.OptionalDependencies, doc.DocumentElement);
            
                  return info;
            }
            
            static void ReadDependencies (DependencyCollection deps, DependencyCollection opDeps, XmlElement elem)
            {
                  foreach (XmlElement dep in elem.SelectNodes ("Dependencies/Addin")) {
                        AddinDependency adep = new AddinDependency ();
                        adep.AddinId = dep.GetAttribute ("id");
                        string v = dep.GetAttribute ("version");
                        if (v.Length != 0)
                              adep.Version = v;
                        deps.Add (adep);
                  }
                  
                  foreach (XmlElement dep in elem.SelectNodes ("Dependencies/Assembly")) {
                        AssemblyDependency adep = new AssemblyDependency ();
                        adep.FullName = dep.GetAttribute ("name");
                        adep.Package = dep.GetAttribute ("package");
                        deps.Add (adep);
                  }
                  
                  foreach (XmlElement mod in elem.SelectNodes ("Module"))
                        ReadDependencies (opDeps, opDeps, mod);
            }
            
            internal static AddinInfo ReadFromDescription (AddinDescription description)
            {
                  AddinInfo info = new AddinInfo ();
                  info.id = description.LocalId;
                  info.namspace = description.Namespace;
                  info.name = description.Name;
                  info.version = description.Version;
                  info.author = description.Author;
                  info.copyright = description.Copyright;
                  info.url = description.Url;
                  info.description = description.Description;
                  info.category = description.Category;
                  info.baseVersion = description.CompatVersion;
                  
                  foreach (Dependency dep in description.MainModule.Dependencies)
                        info.Dependencies.Add (dep);
                        
                  foreach (ModuleDescription mod in description.OptionalModules) {
                        foreach (Dependency dep in mod.Dependencies)
                              info.OptionalDependencies.Add (dep);
                  }
                  return info;
            }
            
            public bool SupportsVersion (string version)
            {
                  if (Addin.CompareVersions (Version, version) > 0)
                        return false;
                  if (baseVersion == "")
                        return true;
                  return Addin.CompareVersions (BaseVersion, version) >= 0;
            }
            
            public int CompareVersionTo (AddinHeader other)
            {
                  return Addin.CompareVersions (this.version, other.Version);
            }
      }

      public interface AddinHeader
      {
            string Id {
                  get;
            }
            
            string Name {
                  get;
            }
            
            string Namespace {
                  get;
            }
            
            string Version {
                  get;
            }
            
            string BaseVersion {
                  get;
            }
            
            string Author {
                  get;
            }
            
            string Copyright {
                  get;
            }
            
            string Url {
                  get;
            }
            
            string Description {
                  get;
            }
            
            string Category {
                  get;
            }
            
            DependencyCollection Dependencies {
                  get;
            }
            
            DependencyCollection OptionalDependencies {
                  get;
            }
            
            int CompareVersionTo (AddinHeader other);
      }
}

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