PowerShell · Ilya (iSazonov) · Jul 26, 2024 · Jan 13, 2024 · Jan 13, 2024 · Jan 14, 2024
@@ -632,6 +632,86 @@ private void CleanUp()
         #endregion IDisposable Members
     }
 
+    /// <summary>
+    /// Implements ConvertTo-CliXml command.
+    /// </summary>
+    [Cmdlet(VerbsData.ConvertTo, "CliXml", HelpUri = "https://go.microsoft.com/fwlink/?LinkID=2280866")]
+    [OutputType(typeof(string))]
+    public sealed class ConvertToClixmlCommand : PSCmdlet
+    {
+        #region Parameters
+
+        /// <summary>
+        /// Gets or sets input objects to be converted to CliXml object.
+        /// </summary>
+        [Parameter(Position = 0, Mandatory = true, ValueFromPipeline = true)]
+        public PSObject InputObject { get; set; }
+
+        /// <summary>
+        /// Gets or sets depth of serialization.
+        /// </summary>
+        [Parameter]
+        [ValidateRange(1, int.MaxValue)]
+        public int Depth { get; set; } = 2;
+
+        #endregion Parameters
+
+        #region Private Members
+
+        private readonly List<object> _inputObjectBuffer = new();
+
+        #endregion Private Members
+
+        #region Overrides
+
+        /// <summary>
+        /// Process record.
+        /// </summary>
+        protected override void ProcessRecord()
+        {
+            _inputObjectBuffer.Add(InputObject);
+        }
+
+        /// <summary>
+        /// End Processing.
+        /// </summary>
+        protected override void EndProcessing()
+        {
+            WriteObject(PSSerializer.Serialize(_inputObjectBuffer, Depth, enumerate: true));
+        }
+
+        #endregion Overrides
+    }
+
+    /// <summary>
+    /// Implements ConvertFrom-CliXml command.
+    /// </summary>
+    [Cmdlet(VerbsData.ConvertFrom, "CliXml", HelpUri = "https://go.microsoft.com/fwlink/?LinkID=2280770")]
+    public sealed class ConvertFromClixmlCommand : PSCmdlet
+    {
+        #region Parameters
+
+        /// <summary>
+        /// Gets or sets input object which is written in CliXml format.
+        /// </summary>
+        [Parameter(Position = 0, Mandatory = true, ValueFromPipeline = true)]
+        public string InputObject { get; set; }
+
+        #endregion Parameters
+
+        #region Overrides
+
+        /// <summary>
+        /// Process record.
+        /// </summary>
+        protected override void ProcessRecord()
+        {
+            WriteObject(PSSerializer.Deserialize(InputObject));
+        }
+
+        #endregion Overrides
+    }
+
     /// <summary>
     /// Helper class to import single XML file.
     /// </summary>

@@ -25,7 +25,8 @@ CmdletsToExport = @(
   'Get-TraceSource', 'Set-TraceSource', 'Add-Type', 'Get-TypeData', 'Remove-TypeData', 'Update-TypeData',
   'Get-UICulture', 'Get-Unique', 'Get-Uptime', 'Clear-Variable', 'Get-Variable', 'New-Variable',
   'Remove-Variable', 'Set-Variable', 'Get-Verb', 'Write-Verbose', 'Write-Warning', 'Invoke-WebRequest',
-  'Format-Wide', 'ConvertTo-Xml', 'Select-Xml', 'Get-Error', 'Update-List', 'Unblock-File'
+  'Format-Wide', 'ConvertTo-Xml', 'Select-Xml', 'Get-Error', 'Update-List', 'Unblock-File', 'ConvertTo-CliXml',
+  'ConvertFrom-CliXml'
 )
 FunctionsToExport = @()
 AliasesToExport = @('fhx')

@@ -24,7 +24,7 @@ CmdletsToExport = @(
   'Add-Type', 'Get-TypeData', 'Remove-TypeData', 'Update-TypeData', 'Get-UICulture', 'Get-Unique', 'Get-Uptime',
   'Clear-Variable', 'Get-Variable', 'New-Variable', 'Remove-Variable', 'Set-Variable', 'Get-Verb', 'Write-Verbose',
   'Write-Warning', 'Invoke-WebRequest', 'Format-Wide', 'ConvertTo-Xml', 'Select-Xml', 'Get-Error', 'Update-List',
-  'Out-GridView', 'Show-Command', 'Out-Printer'
+  'Out-GridView', 'Show-Command', 'Out-Printer', 'ConvertTo-CliXml', 'ConvertFrom-CliXml'
 )
 FunctionsToExport = @()
 AliasesToExport = @('fhx')

@@ -122,6 +122,45 @@ public static string Serialize(object source, int depth)
             return sb.ToString();
         }
 
+        /// <summary>
+        /// Serializes list of objects into PowerShell CliXml.
+        /// </summary>
+        /// <param name="source">The input objects to serialize.</param>
+        /// <param name="depth">The depth of the members to serialize.</param>
+        /// <param name="enumerate">Enumerates input objects and serializes one at a time.</param>
+        /// <returns>The serialized object, as CliXml.</returns>
+        internal static string Serialize(IList<object> source, int depth, bool enumerate)
+        {
+            StringBuilder sb = new();
+
+            XmlWriterSettings xmlSettings = new()
+            {
+                CloseOutput = true,
+                Encoding = Encoding.Unicode,
+                Indent = true,
+                OmitXmlDeclaration = true
+            };
+
+            XmlWriter xw = XmlWriter.Create(sb, xmlSettings);
+            Serializer serializer = new(xw, depth, useDepthFromTypes: true);
+
+            if (enumerate)
+            {
+                foreach (object item in source)
+                {
+                    serializer.Serialize(item);
+                }
+            }
+            else
+            {
+                serializer.Serialize(source);
+            }
+
+            serializer.Done();
+
+            return sb.ToString();
+        }
+
         /// <summary>
         /// Deserializes PowerShell CliXml into an object.
         /// </summary>