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Viewing changes to external/mono-addins/Mono.Addins/Mono.Addins.Serialization/BinaryXmlWriter.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.Serialization/BinaryXmlWriter.cs
 
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//
 
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// BinaryXmlWriter.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;
 
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using System.Text;
 
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using System.IO;
 
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namespace Mono.Addins.Serialization
 
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{
 
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        internal class BinaryXmlWriter
 
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        {
 
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                BinaryWriter writer;
 
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                BinaryXmlTypeMap typeMap;
 
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                Hashtable stringTable = new Hashtable ();
 
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                public BinaryXmlWriter (Stream stream, BinaryXmlTypeMap typeMap)
 
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                {
 
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                        this.typeMap = typeMap;
 
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                        writer = new BinaryWriter (stream);
 
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                }
 
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                public void WriteBeginElement (string name)
 
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                {
 
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                        writer.Write (BinaryXmlReader.TagBeginElement);
 
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                        WriteString (name);
 
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                }
 
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                public void WriteEndElement ()
 
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                {
 
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                        writer.Write (BinaryXmlReader.TagEndElement);
 
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                }
 
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                void WriteValueHeader (string name, TypeCode type)
 
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                {
 
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                        writer.Write (BinaryXmlReader.TagValue);
 
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                        WriteString (name);
 
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                        writer.Write ((byte) type);
 
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                }
 
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                public void WriteValue (string name, bool b)
 
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                {
 
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                        WriteValueHeader (name, TypeCode.Boolean);
 
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                        writer.Write (b);
 
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                }
 
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                public void WriteValue (string name, string s)
 
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                {
 
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                        WriteValueHeader (name, TypeCode.String);
 
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                        WriteString (s);
 
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                }
 
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                public void WriteValue (string name, char value)
 
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                {
 
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                        WriteValueHeader (name, TypeCode.Char);
 
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                        writer.Write (value);
 
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                }
 
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                public void WriteValue (string name, byte value)
 
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                {
 
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                        WriteValueHeader (name, TypeCode.Byte);
 
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                        writer.Write (value);
 
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                }
 
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                public void WriteValue (string name, short value)
 
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                {
 
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                        WriteValueHeader (name, TypeCode.Int16);
 
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                        writer.Write (value);
 
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                }
 
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                public void WriteValue (string name, int value)
 
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                {
 
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                        WriteValueHeader (name, TypeCode.Int32);
 
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                        writer.Write (value);
 
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                }
 
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                public void WriteValue (string name, long value)
 
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                {
 
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                        WriteValueHeader (name, TypeCode.Int64);
 
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                        writer.Write (value);
 
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                }
 
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                public void WriteValue (string name, DateTime value)
 
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                {
 
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                        WriteValueHeader (name, TypeCode.DateTime);
 
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                        writer.Write (value.Ticks);
 
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                }
 
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                public void WriteValue (string name, object ob)
 
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                {
 
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                        TypeCode t = ob != null ? Type.GetTypeCode (ob.GetType ()) : TypeCode.Empty;
 
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                        WriteValueHeader (name, t);
 
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                        if (t != TypeCode.Empty)
 
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                                WriteValue (ob, t);
 
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                }
 
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                public void WriteValue (string name, IBinaryXmlElement ob)
 
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                {
 
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                        if (ob == null)
 
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                                WriteValueHeader (name, TypeCode.Empty);
 
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                        else {
 
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                                WriteValueHeader (name, TypeCode.Object);
 
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                                WriteObject (ob);
 
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                        }
 
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                }
 
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                void WriteValue (object ob)
 
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                {
 
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                        if (ob == null)
 
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                                writer.Write ((byte) TypeCode.Empty);
 
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                        else {
 
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                                TypeCode t = Type.GetTypeCode (ob.GetType ());
 
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                                writer.Write ((byte) t);
 
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                                WriteValue (ob, t);
 
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                        }
 
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                }
 
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                void WriteValue (object ob, TypeCode t)
 
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                {
 
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                        switch (t) {
 
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                                case TypeCode.Boolean: writer.Write ((bool)ob); break;
 
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                                case TypeCode.Char: writer.Write ((char)ob); break;
 
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                                case TypeCode.SByte: writer.Write ((sbyte)ob); break;
 
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                                case TypeCode.Byte: writer.Write ((byte)ob); break;
 
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                                case TypeCode.Int16: writer.Write ((short)ob); break;
 
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                                case TypeCode.UInt16: writer.Write ((ushort)ob); break;
 
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                                case TypeCode.Int32: writer.Write ((int)ob); break;
 
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                                case TypeCode.UInt32: writer.Write ((uint)ob); break;
 
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                                case TypeCode.Int64: writer.Write ((long)ob); break;
 
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                                case TypeCode.UInt64: writer.Write ((ulong)ob); break;
 
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                                case TypeCode.Single: writer.Write ((float)ob); break;
 
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                                case TypeCode.Double: writer.Write ((double)ob); break;
 
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                                case TypeCode.DateTime: writer.Write (((DateTime)ob).Ticks); break;
 
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                                case TypeCode.String: WriteString ((string)ob); break;
 
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                                case TypeCode.Object: WriteObject (ob); break;
 
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                                default:
 
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                                        throw new InvalidOperationException ("Unexpected value type: " + t);
 
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                        }
 
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                }
 
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                void WriteObject (object ob)
 
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                {
 
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                        if (ob == null)
 
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                                writer.Write (BinaryXmlReader.TagObjectNull);
 
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                        else {
 
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                                IBinaryXmlElement elem = ob as IBinaryXmlElement;
 
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                                if (elem != null) {
 
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                                        writer.Write (BinaryXmlReader.TagObject);
 
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                                        WriteString (typeMap.GetTypeName (elem));
 
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                                        elem.Write (this);
 
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                                        WriteEndElement ();
 
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                                }
 
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                                else if (ob is IDictionary) {
 
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                                        IDictionary dict = (IDictionary) ob;
 
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                                        writer.Write (BinaryXmlReader.TagObjectDictionary);
 
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                                        writer.Write (dict.Count);
 
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                                        foreach (DictionaryEntry e in dict) {
 
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                                                WriteValue (e.Key);
 
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                                                WriteValue (e.Value);
 
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                                        }
 
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                                }
 
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                                else if (ob is ICollection) {
 
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                                        ICollection col = (ICollection) ob;
 
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                                        writer.Write (BinaryXmlReader.TagObjectArray);
 
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                                        if (ob is Array)
 
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                                                writer.Write ((byte) Type.GetTypeCode (ob.GetType().GetElementType ()));
 
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                                        else
 
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                                                writer.Write ((byte) TypeCode.Object);
 
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                                        writer.Write (col.Count);
 
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                                        foreach (object e in col) {
 
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                                                WriteValue (e);
 
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                                        }
 
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                                }
 
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                                else
 
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                                        throw new InvalidOperationException ("Invalid object type: " + ob.GetType ());
 
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                        }
 
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                }
 
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                void WriteString (string s)
 
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                {
 
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                        if (s == null)
 
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                                writer.Write (-1);
 
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                        else {
 
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                                object ind = stringTable [s];
 
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                                if (ind == null) {
 
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                                        stringTable.Add (s, stringTable.Count);
 
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                                        byte[] bytes = Encoding.UTF8.GetBytes (s);
 
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                                        writer.Write (bytes.Length);
 
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                                        writer.Write (bytes);
 
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                                } else {
 
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                                        // +2 because -1 is reserved for null, and 0 is considered positive
 
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                                        writer.Write (-((int)ind + 2));
 
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                                }
 
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                        }
 
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                }
 
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        }
 
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}