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Viewing changes to src/core/MonoDevelop.Core/MonoDevelop.Projects.Dom.Serialization/NamespaceEntry.cs

  • Committer: Bazaar Package Importer
  • Author(s): Jo Shields
  • Date: 2011-06-27 17:03:13 UTC
  • mto: (1.8.1 upstream)
  • mto: This revision was merged to the branch mainline in revision 54.
  • Revision ID: james.westby@ubuntu.com-20110627170313-6cvz3s19x6e9hqe9
Import upstream version 2.5.92+dfsg

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src/core/MonoDevelop.Core/MonoDevelop.Projects.Dom.Serialization/NamespaceEntry.cs
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//
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// NamespaceEntry.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) 2005 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;
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using System.Collections.Generic;
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using System.Text;
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using MonoDevelop.Projects;
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namespace MonoDevelop.Projects.Dom.Serialization
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{
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        [Serializable]
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        internal class NamespaceEntry
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        {
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                Hashtable contents = new Hashtable ();
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                NamespaceEntry parent;
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                string name;
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                [NonSerialized]
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                string fullName;
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                // This is the case insensitive version of the hashtable.
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                // It is constructed only when needed.
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                [NonSerialized] Hashtable contents_ci;
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                public NamespaceEntry (NamespaceEntry parent, string name)
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                {
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                        this.parent = parent;
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                        this.name = name;
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                }
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                public string FullName {
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                        get {
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                                if (fullName != null)
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                                        return fullName;
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                                if (parent != null) {
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                                        if (string.IsNullOrEmpty (parent.name))
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                                                return fullName = name;
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                                        NamespaceEntry p = parent;
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                                        StringBuilder sb = new StringBuilder (name);
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                                        do {
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                                                sb.Insert (0, ".").Insert (0, p.name);
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                                                p = p.parent;
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                                        } while (p != null && !string.IsNullOrEmpty (p.name));
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                                        return fullName = sb.ToString ();;
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                                }
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                                else
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                                        return string.Empty;
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                        }
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                }
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                public IEnumerable<ClassEntry> GetAllClasses ()
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                {
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                        foreach (object ob in contents.Values) {
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                                if (ob is ClassEntry)
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                                        yield return (ClassEntry)ob;
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                                else if (ob is NamespaceEntry) {
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                                        foreach (ClassEntry ce in ((NamespaceEntry)ob).GetAllClasses ())
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                                                yield return ce;
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                                }
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                        }
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                }
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                // All methods with the caseSensitive parameter, first check for an
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                // exact match, and if not found, they try with the case insensitive table.
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                public NamespaceEntry GetNamespace (string ns, bool caseSensitive)
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                {
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                        NamespaceEntry ne = contents[ns] as NamespaceEntry;
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                        if (ne != null || caseSensitive) return ne;
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                        if (contents_ci == null) BuildCaseInsensitiveTable ();
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                        return contents_ci[ns] as NamespaceEntry;
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                }
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                public ClassEntry GetClass (string name, int genericArgumentCount, bool caseSensitive)
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                {
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                        string fullName = ParserDatabase.GetDecoratedName (name, genericArgumentCount);
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                        ClassEntry ne = contents[fullName] as ClassEntry;
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                        if (ne != null || caseSensitive) return ne;
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                        if (contents_ci == null) BuildCaseInsensitiveTable ();
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                        return contents_ci[fullName] as ClassEntry;
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                }
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                public void Add (NamespaceEntry value)
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                {
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                        contents [value.name] = value;
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                        if (contents_ci != null)
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                                contents_ci [value.name] = value;
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                }
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                public void Add (ClassEntry value)
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                {
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                        string name = ParserDatabase.GetDecoratedName (value);
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                        contents [name] = value;
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                        if (contents_ci != null)
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                                contents_ci [name] = value;
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                }
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                public void Remove (NamespaceEntry name)
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                {
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                        contents.Remove (name);
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                        contents_ci = null;
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                }
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                public void Remove (ClassEntry entry)
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                {
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                        contents.Remove (ParserDatabase.GetDecoratedName (entry));
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                        contents_ci = null;
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                }
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                public ICollection Contents
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                {
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                        get { return contents; }
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                }
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                public int ContentCount
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                {
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                        get { return contents.Count; }
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                }
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                public void Clean ()
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                {
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                        ArrayList todel = new ArrayList ();
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                        foreach (DictionaryEntry en in contents)
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                        {
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                                NamespaceEntry h = en.Value as NamespaceEntry;
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                                if (h != null) {
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                                        h.Clean ();
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                                        if (h.ContentCount == 0) todel.Add (en.Key);
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                                }
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                        }
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                        if (todel.Count > 0)
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                        {
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                                contents_ci = null;
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                                foreach (string key in todel)
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                                        contents.Remove (key);
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                        }
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                }
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                void BuildCaseInsensitiveTable ()
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                {
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                        contents_ci = new Hashtable (StringComparer.CurrentCultureIgnoreCase);
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                        foreach (DictionaryEntry en in contents)
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                                contents_ci.Add (en.Key, en.Value);
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                }
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        }
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}