Refactoring (#1852)

src/PSRule.CommandLine/ClientContext.cs

@@ -3,7 +3,6 @@
 
 using System.CommandLine.Invocation;
 using PSRule.Configuration;
-using PSRule.Options;
 
 namespace PSRule.CommandLine;
 

src/PSRule.Types/Emitters/InternalFileStream.cs

@@ -1,12 +1,11 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT License.
 
-namespace PSRule.Emitters
+namespace PSRule.Emitters;
+
+internal class InternalFileStream
 {
-    internal class InternalFileStream
+    public InternalFileStream()
     {
-        public InternalFileStream()
-        {
-        }
     }
 }

src/PSRule/Badges/Badge.cs

@@ -0,0 +1,68 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Badges;
+
+/// <summary>
+/// An instance of a badge created by the Badge API.
+/// </summary>
+internal sealed class Badge : IBadge
+{
+    private readonly string _LeftText;
+    private readonly string _RightText;
+    private readonly double _LeftWidth;
+    private readonly double _RightWidth;
+    private readonly int _MidPadding;
+    private readonly int _BorderPadding;
+    private readonly string _Fill;
+
+    internal Badge(string left, string right, string fill)
+    {
+        _LeftWidth = BadgeResources.Measure(left);
+        _RightWidth = BadgeResources.Measure(right);
+
+        _LeftText = left;
+        _RightText = right;
+        _MidPadding = 3;
+        _BorderPadding = 7;
+        _Fill = fill;
+    }
+
+    /// <inheritdoc/>
+    public override string ToString()
+    {
+        return ToSvg();
+    }
+
+    /// <inheritdoc/>
+    public string ToSvg()
+    {
+        var w = (int)Math.Round(_LeftWidth + _RightWidth + 2 * _BorderPadding + 2 * _MidPadding);
+        var x = (int)Math.Round(_LeftWidth + _BorderPadding + _MidPadding);
+
+        var builder = new SvgBuilder(
+            width: w,
+            height: 20,
+            textScale: 10,
+            midPoint: x,
+            rounding: 2,
+            borderPadding: _BorderPadding,
+            midPadding: _MidPadding);
+        builder.Begin(string.Concat(_LeftText, ": ", _RightText));
+        builder.Backfill(_Fill);
+        builder.TextBlock(_LeftText, _RightText, 110);
+        builder.End();
+        return builder.ToString();
+    }
+
+    /// <inheritdoc/>
+    public void ToFile(string path)
+    {
+        path = Environment.GetRootedPath(path);
+        var parentPath = Directory.GetParent(path);
+        if (!parentPath.Exists)
+            Directory.CreateDirectory(path: parentPath.FullName);
+
+        File.WriteAllText(path, contents: ToSvg());
+    }
+}

src/PSRule/Badges/BadgeBuilder.cs

@@ -7,136 +7,6 @@ using PSRule.Rules;
 
 namespace PSRule.Badges;
 
-/// <summary>
-/// The type of badge.
-/// </summary>
-public enum BadgeType
-{
-    /// <summary>
-    /// A badge that reports an unknown state.
-    /// </summary>
-    Unknown = 0,
-
-    /// <summary>
-    /// A badge reporting a successful state.
-    /// </summary>
-    Success = 1,
-
-    /// <summary>
-    /// A bagde reporting a failed state.
-    /// </summary>
-    Failure = 2
-}
-
-/// <summary>
-/// An instance of a badge created by the badge API.
-/// </summary>
-public interface IBadge
-{
-    /// <summary>
-    /// Get the badge as SVG text content.
-    /// </summary>
-    string ToSvg();
-
-    /// <summary>
-    /// Write the SVG badge content directly to disk.
-    /// </summary>
-    void ToFile(string path);
-}
-
-/// <summary>
-/// A builder for the badge API.
-/// </summary>
-public interface IBadgeBuilder
-{
-    /// <summary>
-    /// Create a badge for the worst case of an analyzed object.
-    /// </summary>
-    /// <param name="result">A single result. The worst case for all records of an object is used for the badge.</param>
-    /// <returns>An instance of a badge.</returns>
-    IBadge Create(InvokeResult result);
-
-    /// <summary>
-    /// Create a badge for the worst case of all analyzed objects.
-    /// </summary>
-    /// <param name="result">A enumeration of results. The worst case from all results is used for the badge.</param>
-    /// <returns>An instance of a badge.</returns>
-    IBadge Create(IEnumerable<InvokeResult> result);
-
-    /// <summary>
-    /// Create a custom badge.
-    /// </summary>
-    /// <param name="title">The left badge text.</param>
-    /// <param name="type">Determines if the result is Unknown, Success, or Failure.</param>
-    /// <param name="label">The right badge text.</param>
-    /// <returns>An instance of a badge.</returns>
-    IBadge Create(string title, BadgeType type, string label);
-}
-
-/// <summary>
-/// An instance of a badge created by the Badge API.
-/// </summary>
-internal sealed class Badge : IBadge
-{
-    private readonly string _LeftText;
-    private readonly string _RightText;
-    private readonly double _LeftWidth;
-    private readonly double _RightWidth;
-    private readonly int _MidPadding;
-    private readonly int _BorderPadding;
-    private readonly string _Fill;
-
-    internal Badge(string left, string right, string fill)
-    {
-        _LeftWidth = BadgeResources.Measure(left);
-        _RightWidth = BadgeResources.Measure(right);
-
-        _LeftText = left;
-        _RightText = right;
-        _MidPadding = 3;
-        _BorderPadding = 7;
-        _Fill = fill;
-    }
-
-    /// <inheritdoc/>
-    public override string ToString()
-    {
-        return ToSvg();
-    }
-
-    /// <inheritdoc/>
-    public string ToSvg()
-    {
-        var w = (int)Math.Round(_LeftWidth + _RightWidth + 2 * _BorderPadding + 2 * _MidPadding);
-        var x = (int)Math.Round(_LeftWidth + _BorderPadding + _MidPadding);
-
-        var builder = new SvgBuilder(
-            width: w,
-            height: 20,
-            textScale: 10,
-            midPoint: x,
-            rounding: 2,
-            borderPadding: _BorderPadding,
-            midPadding: _MidPadding);
-        builder.Begin(string.Concat(_LeftText, ": ", _RightText));
-        builder.Backfill(_Fill);
-        builder.TextBlock(_LeftText, _RightText, 110);
-        builder.End();
-        return builder.ToString();
-    }
-
-    /// <inheritdoc/>
-    public void ToFile(string path)
-    {
-        path = Environment.GetRootedPath(path);
-        var parentPath = Directory.GetParent(path);
-        if (!parentPath.Exists)
-            Directory.CreateDirectory(path: parentPath.FullName);
-
-        File.WriteAllText(path, contents: ToSvg());
-    }
-}
-
 /// <summary>
 /// A badge builder that implements the Badge API within PSRule.
 /// </summary>

src/PSRule/Badges/BadgeType.cs

@@ -0,0 +1,25 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Badges;
+
+/// <summary>
+/// The type of badge.
+/// </summary>
+public enum BadgeType
+{
+    /// <summary>
+    /// A badge that reports an unknown state.
+    /// </summary>
+    Unknown = 0,
+
+    /// <summary>
+    /// A badge reporting a successful state.
+    /// </summary>
+    Success = 1,
+
+    /// <summary>
+    /// A badge reporting a failed state.
+    /// </summary>
+    Failure = 2
+}

src/PSRule/Badges/IBadge.cs

@@ -0,0 +1,20 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Badges;
+
+/// <summary>
+/// An instance of a badge created by the badge API.
+/// </summary>
+public interface IBadge
+{
+    /// <summary>
+    /// Get the badge as SVG text content.
+    /// </summary>
+    string ToSvg();
+
+    /// <summary>
+    /// Write the SVG badge content directly to disk.
+    /// </summary>
+    void ToFile(string path);
+}

src/PSRule/Badges/IBadgeBuilder.cs

@@ -0,0 +1,35 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+using PSRule.Pipeline;
+
+namespace PSRule.Badges;
+
+/// <summary>
+/// A builder for the badge API.
+/// </summary>
+public interface IBadgeBuilder
+{
+    /// <summary>
+    /// Create a badge for the worst case of an analyzed object.
+    /// </summary>
+    /// <param name="result">A single result. The worst case for all records of an object is used for the badge.</param>
+    /// <returns>An instance of a badge.</returns>
+    IBadge Create(InvokeResult result);
+
+    /// <summary>
+    /// Create a badge for the worst case of all analyzed objects.
+    /// </summary>
+    /// <param name="result">A enumeration of results. The worst case from all results is used for the badge.</param>
+    /// <returns>An instance of a badge.</returns>
+    IBadge Create(IEnumerable<InvokeResult> result);
+
+    /// <summary>
+    /// Create a custom badge.
+    /// </summary>
+    /// <param name="title">The left badge text.</param>
+    /// <param name="type">Determines if the result is Unknown, Success, or Failure.</param>
+    /// <param name="label">The right badge text.</param>
+    /// <returns>An instance of a badge.</returns>
+    IBadge Create(string title, BadgeType type, string label);
+}

src/PSRule/Common/ResourceExtensions.cs

@@ -25,7 +25,8 @@ internal static class ResourceExtensions
 
     internal static bool IsLocalScope(this IResource resource)
     {
-        return string.IsNullOrEmpty(resource.Source.Module);
+        return resource != null &&
+            (string.IsNullOrEmpty(resource.Id.Scope) || resource.Id.Scope == ".");
     }
 
     internal static IEnumerable<ResourceId> GetIds(this IResource resource)

src/PSRule/Configuration/BindingOption.cs

@@ -2,19 +2,9 @@
 // Licensed under the MIT License.
 
 using System.ComponentModel;
-using System.Diagnostics;
 
 namespace PSRule.Configuration;
 
-internal static class BindingOptionExtensions
-{
-    [DebuggerStepThrough]
-    public static StringComparer GetComparer(this BindingOption option)
-    {
-        return option.IgnoreCase.GetValueOrDefault(BindingOption.Default.IgnoreCase.Value) ? StringComparer.OrdinalIgnoreCase : StringComparer.Ordinal;
-    }
-}
-
 /// <summary>
 /// Options that affect property binding of TargetName and TargetType.
 /// </summary>

src/PSRule/Configuration/BindingOptionExtensions.cs

@@ -0,0 +1,15 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+using System.Diagnostics;
+
+namespace PSRule.Configuration;
+
+internal static class BindingOptionExtensions
+{
+    [DebuggerStepThrough]
+    public static StringComparer GetComparer(this BindingOption option)
+    {
+        return option.IgnoreCase.GetValueOrDefault(BindingOption.Default.IgnoreCase.Value) ? StringComparer.OrdinalIgnoreCase : StringComparer.Ordinal;
+    }
+}

src/PSRule/Definitions/IResource.cs

@@ -0,0 +1,60 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Definitions;
+
+/// <summary>
+/// A resource language block.
+/// </summary>
+public interface IResource : ILanguageBlock
+{
+    /// <summary>
+    /// The type of resource.
+    /// </summary>
+    ResourceKind Kind { get; }
+
+    /// <summary>
+    /// The API version of the resource.
+    /// </summary>
+    string ApiVersion { get; }
+
+    /// <summary>
+    /// The name of the resource.
+    /// </summary>
+    string Name { get; }
+
+    /// <summary>
+    /// An optional reference identifer for the resource.
+    /// </summary>
+    ResourceId? Ref { get; }
+
+    /// <summary>
+    /// Any additional aliases for the resource.
+    /// </summary>
+    ResourceId[] Alias { get; }
+
+    /// <summary>
+    /// Any resource tags.
+    /// </summary>
+    ResourceTags Tags { get; }
+
+    /// <summary>
+    /// Any taxonomy references.
+    /// </summary>
+    ResourceLabels Labels { get; }
+
+    /// <summary>
+    /// Flags for the resource.
+    /// </summary>
+    ResourceFlags Flags { get; }
+
+    /// <summary>
+    /// The source location of the resource.
+    /// </summary>
+    ISourceExtent Extent { get; }
+
+    /// <summary>
+    /// Additional information about the resource.
+    /// </summary>
+    IResourceHelpInfo Info { get; }
+}

src/PSRule/Definitions/IResourceVisitor.cs

@@ -0,0 +1,9 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Definitions;
+
+internal interface IResourceVisitor
+{
+    bool Visit(IResource resource);
+}

src/PSRule/Definitions/InternalResource.cs

@@ -0,0 +1,58 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+using PSRule.Pipeline;
+using YamlDotNet.Serialization;
+
+namespace PSRule.Definitions;
+
+/// <summary>
+/// A base class for built-in resource types.
+/// </summary>
+/// <typeparam name="TSpec">The type of the related <seealso cref="Spec"/> for the resource.</typeparam>
+public abstract class InternalResource<TSpec> : Resource<TSpec>, IResource, IAnnotated<ResourceAnnotation> where TSpec : Spec, new()
+{
+    private readonly Dictionary<Type, ResourceAnnotation> _Annotations;
+
+    private protected InternalResource(ResourceKind kind, string apiVersion, SourceFile source, ResourceMetadata metadata, IResourceHelpInfo info, ISourceExtent extent, TSpec spec)
+        : base(kind, apiVersion, source, metadata, info, extent, spec)
+    {
+        _Annotations = new Dictionary<Type, ResourceAnnotation>();
+        Obsolete = ResourceHelper.IsObsolete(metadata);
+        Flags |= ResourceHelper.IsObsolete(metadata) ? ResourceFlags.Obsolete : ResourceFlags.None;
+    }
+
+    [YamlIgnore()]
+    internal readonly bool Obsolete;
+
+    [YamlIgnore()]
+    internal ResourceFlags Flags { get; }
+
+    ResourceKind IResource.Kind => Kind;
+
+    string IResource.ApiVersion => ApiVersion;
+
+    string IResource.Name => Name;
+
+    // Not supported with base resources.
+    ResourceId? IResource.Ref => null;
+
+    // Not supported with base resources.
+    ResourceId[] IResource.Alias => null;
+
+    ResourceTags IResource.Tags => Metadata.Tags;
+
+    ResourceLabels IResource.Labels => Metadata.Labels;
+
+    ResourceFlags IResource.Flags => Flags;
+
+    TAnnotation IAnnotated<ResourceAnnotation>.GetAnnotation<TAnnotation>()
+    {
+        return _Annotations.TryGetValue(typeof(TAnnotation), out var annotation) ? (TAnnotation)annotation : null;
+    }
+
+    void IAnnotated<ResourceAnnotation>.SetAnnotation<TAnnotation>(TAnnotation annotation)
+    {
+        _Annotations[typeof(TAnnotation)] = annotation;
+    }
+}

src/PSRule/Definitions/Resource.cs

@@ -1,477 +1,12 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT License.
 
-using System.Collections;
 using System.Diagnostics;
-using System.Text;
-using PSRule.Converters.Yaml;
-using PSRule.Definitions.Rules;
 using PSRule.Pipeline;
-using PSRule.Runtime;
-using YamlDotNet.Core;
-using YamlDotNet.Core.Events;
 using YamlDotNet.Serialization;
-using YamlDotNet.Serialization.NamingConventions;
-using YamlDotNet.Serialization.NodeDeserializers;
 
 namespace PSRule.Definitions;
 
-/// <summary>
-/// The type of resource.
-/// </summary>
-public enum ResourceKind
-{
-    /// <summary>
-    /// Unknown or empty.
-    /// </summary>
-    None = 0,
-
-    /// <summary>
-    /// A rule resource.
-    /// </summary>
-    Rule = 1,
-
-    /// <summary>
-    /// A baseline resource.
-    /// </summary>
-    Baseline = 2,
-
-    /// <summary>
-    /// A module configuration resource.
-    /// </summary>
-    ModuleConfig = 3,
-
-    /// <summary>
-    /// A selector resource.
-    /// </summary>
-    Selector = 4,
-
-    /// <summary>
-    /// A convention.
-    /// </summary>
-    Convention = 5,
-
-    /// <summary>
-    /// A suppression group.
-    /// </summary>
-    SuppressionGroup = 6
-}
-
-/// <summary>
-/// Additional flags that indicate the status of the resource.
-/// </summary>
-[Flags]
-public enum ResourceFlags
-{
-    /// <summary>
-    /// No flags are set.
-    /// </summary>
-    None = 0,
-
-    /// <summary>
-    /// The resource is obsolete.
-    /// </summary>
-    Obsolete = 1
-}
-
-/// <summary>
-/// A resource langange block.
-/// </summary>
-public interface IResource : ILanguageBlock
-{
-    /// <summary>
-    /// The type of resource.
-    /// </summary>
-    ResourceKind Kind { get; }
-
-    /// <summary>
-    /// The API version of the resource.
-    /// </summary>
-    string ApiVersion { get; }
-
-    /// <summary>
-    /// The name of the resource.
-    /// </summary>
-    string Name { get; }
-
-    /// <summary>
-    /// An optional reference identifer for the resource.
-    /// </summary>
-    ResourceId? Ref { get; }
-
-    /// <summary>
-    /// Any additional aliases for the resource.
-    /// </summary>
-    ResourceId[] Alias { get; }
-
-    /// <summary>
-    /// Any resource tags.
-    /// </summary>
-    ResourceTags Tags { get; }
-
-    /// <summary>
-    /// Any taxonomy references.
-    /// </summary>
-    ResourceLabels Labels { get; }
-
-    /// <summary>
-    /// Flags for the resource.
-    /// </summary>
-    ResourceFlags Flags { get; }
-
-    /// <summary>
-    /// The source location of the resource.
-    /// </summary>
-    ISourceExtent Extent { get; }
-
-    /// <summary>
-    /// Additional information about the resource.
-    /// </summary>
-    IResourceHelpInfo Info { get; }
-}
-
-internal interface IResourceVisitor
-{
-    bool Visit(IResource resource);
-}
-
-internal abstract class ResourceRef
-{
-    public readonly string Id;
-    public readonly ResourceKind Kind;
-
-    protected ResourceRef(string id, ResourceKind kind)
-    {
-        Kind = kind;
-        Id = id;
-    }
-}
-
-/// <summary>
-/// A base resource annotation.
-/// </summary>
-internal abstract class ResourceAnnotation
-{
-
-}
-
-/// <summary>
-/// Annotation used to flag validation issues.
-/// </summary>
-internal sealed class ValidateResourceAnnotation : ResourceAnnotation
-{
-
-}
-
-/// <summary>
-/// A resource object.
-/// </summary>
-public sealed class ResourceObject
-{
-    internal ResourceObject(IResource block)
-    {
-        Block = block;
-    }
-
-    internal IResource Block { get; }
-
-    internal bool Visit(IResourceVisitor visitor)
-    {
-        return Block != null && visitor != null && visitor.Visit(Block);
-    }
-}
-
-internal sealed class ResourceBuilder
-{
-    private readonly List<ILanguageBlock> _Output;
-    private readonly IDeserializer _Deserializer;
-
-    internal ResourceBuilder()
-    {
-        _Output = new List<ILanguageBlock>();
-        _Deserializer = new DeserializerBuilder()
-            .IgnoreUnmatchedProperties()
-            .WithNamingConvention(CamelCaseNamingConvention.Instance)
-            .WithTypeConverter(new FieldMapYamlTypeConverter())
-            .WithTypeConverter(new StringArrayMapConverter())
-            .WithTypeConverter(new StringArrayConverter())
-            .WithNodeDeserializer(
-                inner => new ResourceNodeDeserializer(new LanguageExpressionDeserializer(inner)),
-                s => s.InsteadOf<ObjectNodeDeserializer>())
-            .Build();
-    }
-
-    internal void FromFile(SourceFile file)
-    {
-        using var reader = new StreamReader(file.Path);
-        var parser = new YamlDotNet.Core.Parser(reader);
-        parser.TryConsume<StreamStart>(out _);
-        while (parser.Current is DocumentStart)
-        {
-            var item = _Deserializer.Deserialize<ResourceObject>(parser: parser);
-            if (item == null || item.Block == null)
-                continue;
-
-            _Output.Add(item.Block);
-        }
-    }
-
-    internal IEnumerable<ILanguageBlock> Build()
-    {
-        return _Output.Count == 0 ? Array.Empty<ILanguageBlock>() : _Output.ToArray();
-    }
-}
-
-/// <summary>
-/// Additional resource annotations.
-/// </summary>
-public sealed class ResourceAnnotations : Dictionary<string, object>
-{
-
-}
-
-/// <summary>
-/// Additional resource taxonomy references.
-/// </summary>
-public sealed class ResourceLabels : Dictionary<string, string[]>
-{
-    /// <summary>
-    /// Create an empty set of resource labels.
-    /// </summary>
-    public ResourceLabels() : base(StringComparer.OrdinalIgnoreCase) { }
-
-    /// <summary>
-    /// Convert from a hashtable to resource labels.
-    /// </summary>
-    internal static ResourceLabels FromHashtable(Hashtable hashtable)
-    {
-        if (hashtable == null || hashtable.Count == 0)
-            return null;
-
-        var annotations = new ResourceLabels();
-        foreach (DictionaryEntry kv in hashtable)
-        {
-            var key = kv.Key.ToString();
-            if (hashtable.TryGetStringArray(key, out var value))
-                annotations[key] = value;
-        }
-        return annotations;
-    }
-
-    internal bool Contains(string key, string[] value)
-    {
-        if (!TryGetValue(key, out var actual))
-            return false;
-
-        if (value == null || value.Length == 0 || (value.Length == 1 && value[0] == "*"))
-            return true;
-
-        for (var i = 0; i < value.Length; i++)
-        {
-            if (Array.IndexOf(actual, value[i]) != -1)
-                return true;
-        }
-        return false;
-    }
-}
-
-/// <summary>
-/// Additional resource tags.
-/// </summary>
-public sealed class ResourceTags : Dictionary<string, string>
-{
-    private Hashtable _Hashtable;
-
-    /// <summary>
-    /// Create an empty set of resource tags.
-    /// </summary>
-    public ResourceTags() : base(StringComparer.OrdinalIgnoreCase) { }
-
-    /// <summary>
-    /// Convert from a hashtable to resource tags.
-    /// </summary>
-    internal static ResourceTags FromHashtable(Hashtable hashtable)
-    {
-        if (hashtable == null || hashtable.Count == 0)
-            return null;
-
-        var tags = new ResourceTags();
-        foreach (DictionaryEntry kv in hashtable)
-            tags[kv.Key.ToString()] = kv.Value.ToString();
-
-        return tags;
-    }
-
-    /// <summary>
-    /// Convert from a dictionary of string pairs to resource tags.
-    /// </summary>
-    internal static ResourceTags FromDictionary(Dictionary<string, string> dictionary)
-    {
-        if (dictionary == null)
-            return null;
-
-        var tags = new ResourceTags();
-        foreach (var kv in dictionary)
-            tags[kv.Key] = kv.Value;
-
-        return tags;
-    }
-
-    /// <summary>
-    /// Convert resource tags to a hashtable.
-    /// </summary>
-    public Hashtable ToHashtable()
-    {
-        _Hashtable ??= new ReadOnlyHashtable(this, StringComparer.OrdinalIgnoreCase);
-        return _Hashtable;
-    }
-
-    /// <summary>
-    /// Check if a specific resource tag exists.
-    /// </summary>
-    internal bool Contains(object key, object value)
-    {
-        if (key == null || value == null || key is not string k || !ContainsKey(k))
-            return false;
-
-        if (TryArray(value, out var values))
-        {
-            for (var i = 0; i < values.Length; i++)
-            {
-                if (Comparer.Equals(values[i], this[k]))
-                    return true;
-            }
-            return false;
-        }
-        var v = value.ToString();
-        return v == "*" || Comparer.Equals(v, this[k]);
-    }
-
-    private static bool TryArray(object o, out string[] values)
-    {
-        values = null;
-        if (o is string[] sArray)
-        {
-            values = sArray;
-            return true;
-        }
-        if (o is IEnumerable<object> oValues)
-        {
-            var result = new List<string>();
-            foreach (var obj in oValues)
-                result.Add(obj.ToString());
-
-            values = result.ToArray();
-            return true;
-        }
-        return false;
-    }
-
-    /// <summary>
-    /// Convert the resourecs tags to a display string for PowerShell views.
-    /// </summary>
-    /// <returns></returns>
-    public string ToViewString()
-    {
-        var sb = new StringBuilder();
-        var i = 0;
-
-        foreach (var kv in this)
-        {
-            if (i > 0)
-                sb.Append(System.Environment.NewLine);
-
-            sb.Append(kv.Key);
-            sb.Append('=');
-            sb.Append('\'');
-            sb.Append(kv.Value);
-            sb.Append('\'');
-            i++;
-        }
-        return sb.ToString();
-    }
-}
-
-/// <summary>
-/// Additional resource metadata.
-/// </summary>
-public sealed class ResourceMetadata
-{
-    /// <summary>
-    /// Create an empty set of metadata.
-    /// </summary>
-    public ResourceMetadata()
-    {
-        Annotations = new ResourceAnnotations();
-        Tags = new ResourceTags();
-        Labels = new ResourceLabels();
-    }
-
-    /// <summary>
-    /// The name of the resource.
-    /// </summary>
-    public string Name { get; set; }
-
-    /// <summary>
-    /// A non-localized display name for the resource.
-    /// </summary>
-    public string DisplayName { get; set; }
-
-    /// <summary>
-    /// A non-localized description of the resource.
-    /// </summary>
-    public string Description { get; set; }
-
-    /// <summary>
-    /// A opaque reference for the resource.
-    /// </summary>
-    public string Ref { get; set; }
-
-    /// <summary>
-    /// Additional aliases for the resource.
-    /// </summary>
-    public string[] Alias { get; set; }
-
-    /// <summary>
-    /// Any resource annotations.
-    /// </summary>
-    [YamlMember(DefaultValuesHandling = DefaultValuesHandling.OmitEmptyCollections)]
-    public ResourceAnnotations Annotations { get; set; }
-
-    /// <summary>
-    /// Any resource tags.
-    /// </summary>
-    [YamlMember(DefaultValuesHandling = DefaultValuesHandling.OmitEmptyCollections)]
-    public ResourceTags Tags { get; set; }
-
-    /// <summary>
-    /// Any taxonomy references.
-    /// </summary>
-    [YamlMember(DefaultValuesHandling = DefaultValuesHandling.OmitEmptyCollections)]
-    public ResourceLabels Labels { get; set; }
-
-    /// <summary>
-    /// A URL to documentation for the resource.
-    /// </summary>
-    public string Link { get; set; }
-}
-
-/// <summary>
-/// The source location of the resource.
-/// </summary>
-public sealed class ResourceExtent
-{
-    /// <summary>
-    /// The file where the resource is located.
-    /// </summary>
-    public string File { get; set; }
-
-    /// <summary>
-    /// The name of the module if the resource is contained within a module.
-    /// </summary>
-    public string Module { get; set; }
-}
-
 /// <summary>
 /// A base class for resources.
 /// </summary>
@@ -550,132 +85,3 @@ public abstract class Resource<TSpec> where TSpec : Spec, new()
     /// </summary>
     public ISourceExtent Extent { get; }
 }
-
-/// <summary>
-/// A base class for built-in resource types.
-/// </summary>
-/// <typeparam name="TSpec">The type of the related <seealso cref="Spec"/> for the resource.</typeparam>
-public abstract class InternalResource<TSpec> : Resource<TSpec>, IResource, IAnnotated<ResourceAnnotation> where TSpec : Spec, new()
-{
-    private readonly Dictionary<Type, ResourceAnnotation> _Annotations;
-
-    private protected InternalResource(ResourceKind kind, string apiVersion, SourceFile source, ResourceMetadata metadata, IResourceHelpInfo info, ISourceExtent extent, TSpec spec)
-        : base(kind, apiVersion, source, metadata, info, extent, spec)
-    {
-        _Annotations = new Dictionary<Type, ResourceAnnotation>();
-        Obsolete = ResourceHelper.IsObsolete(metadata);
-        Flags |= ResourceHelper.IsObsolete(metadata) ? ResourceFlags.Obsolete : ResourceFlags.None;
-    }
-
-    [YamlIgnore()]
-    internal readonly bool Obsolete;
-
-    [YamlIgnore()]
-    internal ResourceFlags Flags { get; }
-
-    ResourceKind IResource.Kind => Kind;
-
-    string IResource.ApiVersion => ApiVersion;
-
-    string IResource.Name => Name;
-
-    // Not supported with base resources.
-    ResourceId? IResource.Ref => null;
-
-    // Not supported with base resources.
-    ResourceId[] IResource.Alias => null;
-
-    ResourceTags IResource.Tags => Metadata.Tags;
-
-    ResourceLabels IResource.Labels => Metadata.Labels;
-
-    ResourceFlags IResource.Flags => Flags;
-
-    TAnnotation IAnnotated<ResourceAnnotation>.GetAnnotation<TAnnotation>()
-    {
-        return _Annotations.TryGetValue(typeof(TAnnotation), out var annotation) ? (TAnnotation)annotation : null;
-    }
-
-    void IAnnotated<ResourceAnnotation>.SetAnnotation<TAnnotation>(TAnnotation annotation)
-    {
-        _Annotations[typeof(TAnnotation)] = annotation;
-    }
-}
-
-internal static class ResourceHelper
-{
-    private const string ANNOTATION_OBSOLETE = "obsolete";
-
-    private const char SCOPE_SEPARATOR = '\\';
-
-    internal static string GetIdString(string scope, string name)
-    {
-        return name.IndexOf(SCOPE_SEPARATOR) >= 0
-            ? name
-            : string.Concat(
-            LanguageScope.Normalize(scope),
-            SCOPE_SEPARATOR,
-            name
-        );
-    }
-
-    internal static void ParseIdString(string defaultScope, string id, out string scope, out string name)
-    {
-        ParseIdString(id, out scope, out name);
-        scope ??= LanguageScope.Normalize(defaultScope);
-    }
-
-    internal static void ParseIdString(string id, out string scope, out string name)
-    {
-        scope = null;
-        name = null;
-        if (string.IsNullOrEmpty(id))
-            return;
-
-        var scopeSeparator = id.IndexOf(SCOPE_SEPARATOR);
-        scope = scopeSeparator >= 0 ? id.Substring(0, scopeSeparator) : null;
-        name = id.Substring(scopeSeparator + 1);
-    }
-
-    /// <summary>
-    /// Checks each resource name and converts each into a full qualified <seealso cref="ResourceId"/>.
-    /// </summary>
-    /// <param name="defaultScope">The default scope to use if the resource name if not fully qualified.</param>
-    /// <param name="name">An array of names. Qualified names (RuleIds) supplied are left intact.</param>
-    /// <param name="kind">The <seealso cref="ResourceIdKind"/> of the <seealso cref="ResourceId"/>.</param>
-    /// <returns>An array of RuleIds.</returns>
-    internal static ResourceId[] GetRuleId(string defaultScope, string[] name, ResourceIdKind kind)
-    {
-        if (name == null || name.Length == 0)
-            return null;
-
-        var result = new ResourceId[name.Length];
-        for (var i = 0; i < name.Length; i++)
-            result[i] = GetRuleId(defaultScope, name[i], kind);
-
-        return (result.Length == 0) ? null : result;
-    }
-
-    internal static ResourceId GetRuleId(string defaultScope, string name, ResourceIdKind kind)
-    {
-        return name.IndexOf(SCOPE_SEPARATOR) > 0 ? ResourceId.Parse(name, kind) : new ResourceId(defaultScope, name, kind);
-    }
-
-    internal static ResourceId? GetIdNullable(string scope, string name, ResourceIdKind kind)
-    {
-        return string.IsNullOrEmpty(name) ? null : new ResourceId(scope, name, kind);
-    }
-
-    internal static bool IsObsolete(ResourceMetadata metadata)
-    {
-        return metadata != null &&
-            metadata.Annotations != null &&
-            metadata.Annotations.TryGetBool(ANNOTATION_OBSOLETE, out var obsolete)
-            && obsolete.GetValueOrDefault(false);
-    }
-
-    internal static SeverityLevel GetLevel(SeverityLevel? level)
-    {
-        return !level.HasValue || level.Value == SeverityLevel.None ? RuleV1.DEFAULT_LEVEL : level.Value;
-    }
-}

src/PSRule/Definitions/ResourceAnnotation.cs

@@ -0,0 +1,12 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Definitions;
+
+/// <summary>
+/// A base resource annotation.
+/// </summary>
+internal abstract class ResourceAnnotation
+{
+
+}

src/PSRule/Definitions/ResourceAnnotations.cs

@@ -0,0 +1,12 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Definitions;
+
+/// <summary>
+/// Additional resource annotations.
+/// </summary>
+public sealed class ResourceAnnotations : Dictionary<string, object>
+{
+
+}

src/PSRule/Definitions/ResourceBuilder.cs

@@ -0,0 +1,53 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+using PSRule.Converters.Yaml;
+using PSRule.Pipeline;
+using YamlDotNet.Core;
+using YamlDotNet.Core.Events;
+using YamlDotNet.Serialization;
+using YamlDotNet.Serialization.NamingConventions;
+using YamlDotNet.Serialization.NodeDeserializers;
+
+namespace PSRule.Definitions;
+
+internal sealed class ResourceBuilder
+{
+    private readonly List<ILanguageBlock> _Output;
+    private readonly IDeserializer _Deserializer;
+
+    internal ResourceBuilder()
+    {
+        _Output = new List<ILanguageBlock>();
+        _Deserializer = new DeserializerBuilder()
+            .IgnoreUnmatchedProperties()
+            .WithNamingConvention(CamelCaseNamingConvention.Instance)
+            .WithTypeConverter(new FieldMapYamlTypeConverter())
+            .WithTypeConverter(new StringArrayMapConverter())
+            .WithTypeConverter(new StringArrayConverter())
+            .WithNodeDeserializer(
+                inner => new ResourceNodeDeserializer(new LanguageExpressionDeserializer(inner)),
+                s => s.InsteadOf<ObjectNodeDeserializer>())
+            .Build();
+    }
+
+    internal void FromFile(SourceFile file)
+    {
+        using var reader = new StreamReader(file.Path);
+        var parser = new YamlDotNet.Core.Parser(reader);
+        parser.TryConsume<StreamStart>(out _);
+        while (parser.Current is DocumentStart)
+        {
+            var item = _Deserializer.Deserialize<ResourceObject>(parser: parser);
+            if (item == null || item.Block == null)
+                continue;
+
+            _Output.Add(item.Block);
+        }
+    }
+
+    internal IEnumerable<ILanguageBlock> Build()
+    {
+        return _Output.Count == 0 ? Array.Empty<ILanguageBlock>() : _Output.ToArray();
+    }
+}

src/PSRule/Definitions/ResourceExtent.cs

@@ -0,0 +1,20 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Definitions;
+
+/// <summary>
+/// The source location of the resource.
+/// </summary>
+public sealed class ResourceExtent
+{
+    /// <summary>
+    /// The file where the resource is located.
+    /// </summary>
+    public string File { get; set; }
+
+    /// <summary>
+    /// The name of the module if the resource is contained within a module.
+    /// </summary>
+    public string Module { get; set; }
+}

src/PSRule/Definitions/ResourceFlags.cs

@@ -0,0 +1,21 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Definitions;
+
+/// <summary>
+/// Additional flags that indicate the status of the resource.
+/// </summary>
+[Flags]
+public enum ResourceFlags
+{
+    /// <summary>
+    /// No flags are set.
+    /// </summary>
+    None = 0,
+
+    /// <summary>
+    /// The resource is obsolete.
+    /// </summary>
+    Obsolete = 1
+}

src/PSRule/Definitions/ResourceHelper.cs

@@ -0,0 +1,85 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+using PSRule.Definitions.Rules;
+using PSRule.Runtime;
+
+namespace PSRule.Definitions;
+
+internal static class ResourceHelper
+{
+    private const string ANNOTATION_OBSOLETE = "obsolete";
+
+    private const char SCOPE_SEPARATOR = '\\';
+
+    internal static string GetIdString(string scope, string name)
+    {
+        return name.IndexOf(SCOPE_SEPARATOR) >= 0
+            ? name
+            : string.Concat(
+            LanguageScope.Normalize(scope),
+            SCOPE_SEPARATOR,
+            name
+        );
+    }
+
+    internal static void ParseIdString(string defaultScope, string id, out string scope, out string name)
+    {
+        ParseIdString(id, out scope, out name);
+        scope ??= LanguageScope.Normalize(defaultScope);
+    }
+
+    internal static void ParseIdString(string id, out string scope, out string name)
+    {
+        scope = null;
+        name = null;
+        if (string.IsNullOrEmpty(id))
+            return;
+
+        var scopeSeparator = id.IndexOf(SCOPE_SEPARATOR);
+        scope = scopeSeparator >= 0 ? id.Substring(0, scopeSeparator) : null;
+        name = id.Substring(scopeSeparator + 1);
+    }
+
+    /// <summary>
+    /// Checks each resource name and converts each into a full qualified <seealso cref="ResourceId"/>.
+    /// </summary>
+    /// <param name="defaultScope">The default scope to use if the resource name if not fully qualified.</param>
+    /// <param name="name">An array of names. Qualified names (RuleIds) supplied are left intact.</param>
+    /// <param name="kind">The <seealso cref="ResourceIdKind"/> of the <seealso cref="ResourceId"/>.</param>
+    /// <returns>An array of RuleIds.</returns>
+    internal static ResourceId[] GetRuleId(string defaultScope, string[] name, ResourceIdKind kind)
+    {
+        if (name == null || name.Length == 0)
+            return null;
+
+        var result = new ResourceId[name.Length];
+        for (var i = 0; i < name.Length; i++)
+            result[i] = GetRuleId(defaultScope, name[i], kind);
+
+        return (result.Length == 0) ? null : result;
+    }
+
+    internal static ResourceId GetRuleId(string defaultScope, string name, ResourceIdKind kind)
+    {
+        return name.IndexOf(SCOPE_SEPARATOR) > 0 ? ResourceId.Parse(name, kind) : new ResourceId(defaultScope, name, kind);
+    }
+
+    internal static ResourceId? GetIdNullable(string scope, string name, ResourceIdKind kind)
+    {
+        return string.IsNullOrEmpty(name) ? null : new ResourceId(scope, name, kind);
+    }
+
+    internal static bool IsObsolete(ResourceMetadata metadata)
+    {
+        return metadata != null &&
+            metadata.Annotations != null &&
+            metadata.Annotations.TryGetBool(ANNOTATION_OBSOLETE, out var obsolete)
+            && obsolete.GetValueOrDefault(false);
+    }
+
+    internal static SeverityLevel GetLevel(SeverityLevel? level)
+    {
+        return !level.HasValue || level.Value == SeverityLevel.None ? RuleV1.DEFAULT_LEVEL : level.Value;
+    }
+}

src/PSRule/Definitions/ResourceKind.cs

@@ -0,0 +1,45 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Definitions;
+
+/// <summary>
+/// The type of resource.
+/// </summary>
+public enum ResourceKind
+{
+    /// <summary>
+    /// Unknown or empty.
+    /// </summary>
+    None = 0,
+
+    /// <summary>
+    /// A rule resource.
+    /// </summary>
+    Rule = 1,
+
+    /// <summary>
+    /// A baseline resource.
+    /// </summary>
+    Baseline = 2,
+
+    /// <summary>
+    /// A module configuration resource.
+    /// </summary>
+    ModuleConfig = 3,
+
+    /// <summary>
+    /// A selector resource.
+    /// </summary>
+    Selector = 4,
+
+    /// <summary>
+    /// A convention.
+    /// </summary>
+    Convention = 5,
+
+    /// <summary>
+    /// A suppression group.
+    /// </summary>
+    SuppressionGroup = 6
+}

src/PSRule/Definitions/ResourceLabels.cs

@@ -0,0 +1,51 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+using System.Collections;
+
+namespace PSRule.Definitions;
+
+/// <summary>
+/// Additional resource taxonomy references.
+/// </summary>
+public sealed class ResourceLabels : Dictionary<string, string[]>
+{
+    /// <summary>
+    /// Create an empty set of resource labels.
+    /// </summary>
+    public ResourceLabels() : base(StringComparer.OrdinalIgnoreCase) { }
+
+    /// <summary>
+    /// Convert from a hashtable to resource labels.
+    /// </summary>
+    internal static ResourceLabels FromHashtable(Hashtable hashtable)
+    {
+        if (hashtable == null || hashtable.Count == 0)
+            return null;
+
+        var annotations = new ResourceLabels();
+        foreach (DictionaryEntry kv in hashtable)
+        {
+            var key = kv.Key.ToString();
+            if (hashtable.TryGetStringArray(key, out var value))
+                annotations[key] = value;
+        }
+        return annotations;
+    }
+
+    internal bool Contains(string key, string[] value)
+    {
+        if (!TryGetValue(key, out var actual))
+            return false;
+
+        if (value == null || value.Length == 0 || (value.Length == 1 && value[0] == "*"))
+            return true;
+
+        for (var i = 0; i < value.Length; i++)
+        {
+            if (Array.IndexOf(actual, value[i]) != -1)
+                return true;
+        }
+        return false;
+    }
+}

src/PSRule/Definitions/ResourceMetadata.cs

@@ -0,0 +1,70 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+using YamlDotNet.Serialization;
+
+namespace PSRule.Definitions;
+
+/// <summary>
+/// Additional resource metadata.
+/// </summary>
+public sealed class ResourceMetadata
+{
+    /// <summary>
+    /// Create an empty set of metadata.
+    /// </summary>
+    public ResourceMetadata()
+    {
+        Annotations = new ResourceAnnotations();
+        Tags = new ResourceTags();
+        Labels = new ResourceLabels();
+    }
+
+    /// <summary>
+    /// The name of the resource.
+    /// </summary>
+    public string Name { get; set; }
+
+    /// <summary>
+    /// A non-localized display name for the resource.
+    /// </summary>
+    public string DisplayName { get; set; }
+
+    /// <summary>
+    /// A non-localized description of the resource.
+    /// </summary>
+    public string Description { get; set; }
+
+    /// <summary>
+    /// A opaque reference for the resource.
+    /// </summary>
+    public string Ref { get; set; }
+
+    /// <summary>
+    /// Additional aliases for the resource.
+    /// </summary>
+    public string[] Alias { get; set; }
+
+    /// <summary>
+    /// Any resource annotations.
+    /// </summary>
+    [YamlMember(DefaultValuesHandling = DefaultValuesHandling.OmitEmptyCollections)]
+    public ResourceAnnotations Annotations { get; set; }
+
+    /// <summary>
+    /// Any resource tags.
+    /// </summary>
+    [YamlMember(DefaultValuesHandling = DefaultValuesHandling.OmitEmptyCollections)]
+    public ResourceTags Tags { get; set; }
+
+    /// <summary>
+    /// Any taxonomy references.
+    /// </summary>
+    [YamlMember(DefaultValuesHandling = DefaultValuesHandling.OmitEmptyCollections)]
+    public ResourceLabels Labels { get; set; }
+
+    /// <summary>
+    /// A URL to documentation for the resource.
+    /// </summary>
+    public string Link { get; set; }
+}

src/PSRule/Definitions/ResourceObject.cs

@@ -0,0 +1,22 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Definitions;
+
+/// <summary>
+/// A resource object.
+/// </summary>
+public sealed class ResourceObject
+{
+    internal ResourceObject(IResource block)
+    {
+        Block = block;
+    }
+
+    internal IResource Block { get; }
+
+    internal bool Visit(IResourceVisitor visitor)
+    {
+        return Block != null && visitor != null && visitor.Visit(Block);
+    }
+}

src/PSRule/Definitions/ResourceRef.cs

@@ -0,0 +1,16 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Definitions;
+
+internal abstract class ResourceRef
+{
+    public readonly string Id;
+    public readonly ResourceKind Kind;
+
+    protected ResourceRef(string id, ResourceKind kind)
+    {
+        Kind = kind;
+        Id = id;
+    }
+}

src/PSRule/Definitions/ResourceTags.cs

@@ -0,0 +1,129 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+using System.Collections;
+using System.Diagnostics;
+using System.Text;
+
+namespace PSRule.Definitions;
+
+/// <summary>
+/// Additional resource tags.
+/// </summary>
+public sealed class ResourceTags : Dictionary<string, string>
+{
+    private Hashtable _Hashtable;
+
+    /// <summary>
+    /// Create an empty set of resource tags.
+    /// </summary>
+    [DebuggerStepThrough]
+    public ResourceTags() : base(StringComparer.OrdinalIgnoreCase) { }
+
+    /// <summary>
+    /// Convert from a hashtable to resource tags.
+    /// </summary>
+    [DebuggerStepThrough]
+    internal static ResourceTags FromHashtable(Hashtable hashtable)
+    {
+        if (hashtable == null || hashtable.Count == 0)
+            return null;
+
+        var tags = new ResourceTags();
+        foreach (DictionaryEntry kv in hashtable)
+            tags[kv.Key.ToString()] = kv.Value.ToString();
+
+        return tags;
+    }
+
+    /// <summary>
+    /// Convert from a dictionary of string pairs to resource tags.
+    /// </summary>
+    [DebuggerStepThrough]
+    internal static ResourceTags FromDictionary(Dictionary<string, string> dictionary)
+    {
+        if (dictionary == null)
+            return null;
+
+        var tags = new ResourceTags();
+        foreach (var kv in dictionary)
+            tags[kv.Key] = kv.Value;
+
+        return tags;
+    }
+
+    /// <summary>
+    /// Convert resource tags to a hashtable.
+    /// </summary>
+    [DebuggerStepThrough]
+    public Hashtable ToHashtable()
+    {
+        _Hashtable ??= new ReadOnlyHashtable(this, StringComparer.OrdinalIgnoreCase);
+        return _Hashtable;
+    }
+
+    /// <summary>
+    /// Check if a specific resource tag exists.
+    /// </summary>
+    internal bool Contains(object key, object value)
+    {
+        if (key == null || value == null || key is not string k || !ContainsKey(k))
+            return false;
+
+        if (TryArray(value, out var values))
+        {
+            for (var i = 0; i < values.Length; i++)
+            {
+                if (Comparer.Equals(values[i], this[k]))
+                    return true;
+            }
+            return false;
+        }
+        var v = value.ToString();
+        return v == "*" || Comparer.Equals(v, this[k]);
+    }
+
+    private static bool TryArray(object o, out string[] values)
+    {
+        values = null;
+        if (o is string[] sArray)
+        {
+            values = sArray;
+            return true;
+        }
+        if (o is IEnumerable<object> oValues)
+        {
+            var result = new List<string>();
+            foreach (var obj in oValues)
+                result.Add(obj.ToString());
+
+            values = result.ToArray();
+            return true;
+        }
+        return false;
+    }
+
+    /// <summary>
+    /// Convert the resourecs tags to a display string for PowerShell views.
+    /// </summary>
+    /// <returns></returns>
+    public string ToViewString()
+    {
+        var sb = new StringBuilder();
+        var i = 0;
+
+        foreach (var kv in this)
+        {
+            if (i > 0)
+                sb.Append(System.Environment.NewLine);
+
+            sb.Append(kv.Key);
+            sb.Append('=');
+            sb.Append('\'');
+            sb.Append(kv.Value);
+            sb.Append('\'');
+            i++;
+        }
+        return sb.ToString();
+    }
+}

src/PSRule/Definitions/Rules/RuleFilter.cs

@@ -48,12 +48,6 @@ internal sealed class RuleFilter : IResourceFilter
 
     ResourceKind IResourceFilter.Kind => ResourceKind.Rule;
 
-    internal bool Match(string name, ResourceTags tag, ResourceLabels labels)
-    {
-        return !IsExcluded(new ResourceId[] { ResourceId.Parse(name) }) &&
-            IsIncluded(new ResourceId[] { ResourceId.Parse(name) }, tag, labels);
-    }
-
     /// <summary>
     /// Matches if the RuleId is contained or any tag is matched
     /// </summary>

src/PSRule/Definitions/ValidateResourceAnnotation.cs

@@ -0,0 +1,12 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Definitions;
+
+/// <summary>
+/// Annotation used to flag validation issues.
+/// </summary>
+internal sealed class ValidateResourceAnnotation : ResourceAnnotation
+{
+
+}

src/PSRule/Help/MarkdownReader.cs

@@ -3,13 +3,6 @@
 
 namespace PSRule.Help;
 
-internal enum MarkdownReaderMode
-{
-    None,
-
-    List
-}
-
 /// <summary>
 /// Stateful markdown reader.
 /// </summary>

src/PSRule/Help/MarkdownReaderMode.cs

@@ -0,0 +1,11 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Help;
+
+internal enum MarkdownReaderMode
+{
+    None,
+
+    List
+}

src/PSRule/Help/MarkdownStream.cs

@@ -7,49 +7,6 @@ namespace PSRule.Help;
 
 internal delegate bool CharacterMatchDelegate(char c);
 
-[DebuggerDisplay("StartPos = (L: {Start}, C: {Column}), EndPos = (L: {End}, C: {Column.End}), Text = {Text}")]
-internal sealed class SourceExtent
-{
-    private readonly string _Source;
-
-    // Lazily cache extracted text
-    private string _Text;
-
-    internal SourceExtent(string source, string path, int start, int end, int line, int column)
-    {
-        _Text = null;
-        _Source = source;
-        Path = path;
-        Start = start;
-        End = end;
-        Line = line;
-        Column = column;
-    }
-
-    public readonly string Path;
-
-    public readonly int Start;
-
-    public readonly int End;
-
-    public readonly int Line;
-
-    public readonly int Column;
-
-    public string Text
-    {
-        get
-        {
-            if (_Text == null)
-            {
-                _Text = _Source.Substring(Start, (End - Start));
-            }
-
-            return _Text;
-        }
-    }
-}
-
 [DebuggerDisplay("Position = {Position}, Current = {Current}")]
 internal sealed class MarkdownStream
 {

src/PSRule/Help/MarkdownToken.cs

@@ -5,70 +5,6 @@ using System.Diagnostics;
 
 namespace PSRule.Help;
 
-internal enum MarkdownTokenType
-{
-    None = 0,
-
-    Text,
-
-    Header,
-
-    FencedBlock,
-
-    LineBreak,
-
-    ParagraphStart,
-
-    ParagraphEnd,
-
-    LinkReference,
-
-    Link,
-
-    LinkReferenceDefinition,
-
-    YamlKeyValue
-}
-
-[Flags()]
-internal enum MarkdownTokens
-{
-    None = 0,
-
-    Italic = 1,
-
-    Bold = 2,
-
-    Code = 4,
-
-    LineEnding = 8,
-
-    LineBreak = 16,
-
-    Preserve = 32,
-
-    // Accelerators
-    PreserveLineEnding = 40
-}
-
-internal static class MarkdownTokenFlagExtensions
-{
-    public static bool IsEnding(this MarkdownTokens flags)
-    {
-        return flags.HasFlag(MarkdownTokens.LineEnding) || flags.HasFlag(MarkdownTokens.LineBreak);
-    }
-
-    public static bool IsLineBreak(this MarkdownTokens flags)
-    {
-        return flags.HasFlag(MarkdownTokens.LineBreak);
-    }
-
-    public static bool ShouldPreserve(this MarkdownTokens flags)
-    {
-        return flags.HasFlag(MarkdownTokens.Preserve);
-    }
-}
-
 [DebuggerDisplay("Type = {Type}, Text = {Text}")]
 internal sealed class MarkdownToken
 {

src/PSRule/Help/MarkdownTokenFlagExtensions.cs

@@ -0,0 +1,22 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Help;
+
+internal static class MarkdownTokenFlagExtensions
+{
+    public static bool IsEnding(this MarkdownTokens flags)
+    {
+        return flags.HasFlag(MarkdownTokens.LineEnding) || flags.HasFlag(MarkdownTokens.LineBreak);
+    }
+
+    public static bool IsLineBreak(this MarkdownTokens flags)
+    {
+        return flags.HasFlag(MarkdownTokens.LineBreak);
+    }
+
+    public static bool ShouldPreserve(this MarkdownTokens flags)
+    {
+        return flags.HasFlag(MarkdownTokens.Preserve);
+    }
+}

src/PSRule/Help/MarkdownTokenType.cs

@@ -0,0 +1,29 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Help;
+
+internal enum MarkdownTokenType
+{
+    None = 0,
+
+    Text,
+
+    Header,
+
+    FencedBlock,
+
+    LineBreak,
+
+    ParagraphStart,
+
+    ParagraphEnd,
+
+    LinkReference,
+
+    Link,
+
+    LinkReferenceDefinition,
+
+    YamlKeyValue
+}

src/PSRule/Help/MarkdownTokens.cs

@@ -0,0 +1,25 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Help;
+
+[Flags()]
+internal enum MarkdownTokens
+{
+    None = 0,
+
+    Italic = 1,
+
+    Bold = 2,
+
+    Code = 4,
+
+    LineEnding = 8,
+
+    LineBreak = 16,
+
+    Preserve = 32,
+
+    // Accelerators
+    PreserveLineEnding = 40
+}

src/PSRule/Help/SourceExtent.cs

@@ -0,0 +1,49 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+using System.Diagnostics;
+
+namespace PSRule.Help;
+
+[DebuggerDisplay("StartPos = (L: {Start}, C: {Column}), EndPos = (L: {End}, C: {Column.End}), Text = {Text}")]
+internal sealed class SourceExtent
+{
+    private readonly string _Source;
+
+    // Lazily cache extracted text
+    private string _Text;
+
+    internal SourceExtent(string source, string path, int start, int end, int line, int column)
+    {
+        _Text = null;
+        _Source = source;
+        Path = path;
+        Start = start;
+        End = end;
+        Line = line;
+        Column = column;
+    }
+
+    public readonly string Path;
+
+    public readonly int Start;
+
+    public readonly int End;
+
+    public readonly int Line;
+
+    public readonly int Column;
+
+    public string Text
+    {
+        get
+        {
+            if (_Text == null)
+            {
+                _Text = _Source.Substring(Start, (End - Start));
+            }
+
+            return _Text;
+        }
+    }
+}

src/PSRule/Help/TokenStream.cs

@@ -6,193 +6,6 @@ using System.Diagnostics;
 
 namespace PSRule.Help;
 
-internal static class TokenStreamExtensions
-{
-    /// <summary>
-    /// Add a header.
-    /// </summary>
-    public static void Header(this TokenStream stream, int depth, string text, SourceExtent extent, bool lineBreak)
-    {
-        stream.Add(new MarkdownToken()
-        {
-            Depth = depth,
-            Extent = extent,
-            Text = text,
-            Type = MarkdownTokenType.Header,
-            Flag = lineBreak ? MarkdownTokens.LineBreak : MarkdownTokens.LineEnding | MarkdownTokens.Preserve
-        });
-    }
-
-    public static void YamlKeyValue(this TokenStream stream, string key, string value)
-    {
-        stream.Add(new MarkdownToken()
-        {
-            Meta = key,
-            Text = value,
-            Type = MarkdownTokenType.YamlKeyValue
-        });
-    }
-
-    /// <summary>
-    /// Add a code fence.
-    /// </summary>
-    public static void FencedBlock(this TokenStream stream, string meta, string text, SourceExtent extent, bool lineBreak)
-    {
-        stream.Add(new MarkdownToken()
-        {
-            Extent = extent,
-            Meta = meta,
-            Text = text,
-            Type = MarkdownTokenType.FencedBlock,
-            Flag = (lineBreak ? MarkdownTokens.LineBreak : MarkdownTokens.LineEnding) | MarkdownTokens.Preserve
-        });
-    }
-
-    /// <summary>
-    /// Add a line break.
-    /// </summary>
-    public static void LineBreak(this TokenStream stream, int count)
-    {
-        // Ignore line break at the very start of file
-        if (stream.Count == 0)
-        {
-            return;
-        }
-
-        for (var i = 0; i < count; i++)
-        {
-            stream.Add(new MarkdownToken() { Type = MarkdownTokenType.LineBreak, Flag = MarkdownTokens.LineBreak });
-        }
-    }
-
-    public static void Text(this TokenStream stream, string text, MarkdownTokens flag = MarkdownTokens.None)
-    {
-        if (MergeText(stream.Current, text, flag))
-        {
-            return;
-        }
-
-        stream.Add(new MarkdownToken() { Type = MarkdownTokenType.Text, Text = text, Flag = flag });
-    }
-
-    private static bool MergeText(MarkdownToken current, string text, MarkdownTokens flag)
-    {
-        // Only allow merge if the previous token was text
-        if (current == null || current.Type != MarkdownTokenType.Text)
-        {
-            return false;
-        }
-
-        if (current.Flag.ShouldPreserve())
-        {
-            return false;
-        }
-
-        // If the previous token was text, lessen the break but still don't allow merging
-        if (current.Flag.HasFlag(MarkdownTokens.LineBreak) && !current.Flag.ShouldPreserve())
-        {
-            return false;
-        }
-
-        // Text must have the same flags set
-        if (current.Flag.HasFlag(MarkdownTokens.Italic) != flag.HasFlag(MarkdownTokens.Italic))
-        {
-            return false;
-        }
-
-        if (current.Flag.HasFlag(MarkdownTokens.Bold) != flag.HasFlag(MarkdownTokens.Bold))
-        {
-            return false;
-        }
-
-        if (current.Flag.HasFlag(MarkdownTokens.Code) != flag.HasFlag(MarkdownTokens.Code))
-        {
-            return false;
-        }
-
-        if (!current.Flag.IsEnding())
-        {
-            current.Text = string.Concat(current.Text, text);
-        }
-        else if (current.Flag == MarkdownTokens.LineEnding)
-        {
-            return false;
-        }
-
-        // Take on the ending of the merged token
-        current.Flag = flag;
-
-        return true;
-    }
-
-    public static void Link(this TokenStream stream, string text, string uri)
-    {
-        stream.Add(new MarkdownToken() { Type = MarkdownTokenType.Link, Meta = text, Text = uri });
-    }
-
-    public static void LinkReference(this TokenStream stream, string text, string linkRef)
-    {
-        stream.Add(new MarkdownToken() { Type = MarkdownTokenType.LinkReference, Meta = text, Text = linkRef });
-    }
-
-    public static void LinkReferenceDefinition(this TokenStream stream, string text, string linkTarget)
-    {
-        stream.Add(new MarkdownToken() { Type = MarkdownTokenType.LinkReferenceDefinition, Meta = text, Text = linkTarget });
-    }
-
-    /// <summary>
-    /// Add a marker for the start of a paragraph.
-    /// </summary>
-    public static void ParagraphStart(this TokenStream stream)
-    {
-        stream.Add(new MarkdownToken() { Type = MarkdownTokenType.ParagraphStart });
-    }
-
-    /// <summary>
-    /// Add a marker for the end of a paragraph.
-    /// </summary>
-    public static void ParagraphEnd(this TokenStream stream)
-    {
-        if (stream.Count > 0)
-        {
-            if (stream.Current.Type == MarkdownTokenType.ParagraphStart)
-            {
-                stream.Pop();
-
-                return;
-            }
-
-            stream.Add(new MarkdownToken() { Type = MarkdownTokenType.ParagraphEnd });
-        }
-    }
-
-    public static IEnumerable<MarkdownToken> GetSection(this TokenStream stream, string header)
-    {
-        return stream.Count == 0
-            ? Enumerable.Empty<MarkdownToken>()
-            : stream
-                // Skip until we reach the header
-                .SkipWhile(token => token.Type != MarkdownTokenType.Header || token.Text != header)
-
-                // Get all tokens to the next header
-                .Skip(1)
-                .TakeWhile(token => token.Type != MarkdownTokenType.Header);
-    }
-
-    public static IEnumerable<MarkdownToken> GetSections(this TokenStream stream)
-    {
-        return stream.Count == 0
-            ? Enumerable.Empty<MarkdownToken>()
-            : stream
-                // Skip until we reach the header
-                .SkipWhile(token => token.Type != MarkdownTokenType.Header)
-
-                // Get all tokens to the next header
-                .Skip(1)
-                .TakeWhile(token => token.Type != MarkdownTokenType.Header);
-    }
-}
-
 [DebuggerDisplay("Current = {Current?.Text}")]
 internal sealed class TokenStream : IEnumerable<MarkdownToken>
 {

src/PSRule/Help/TokenStreamExtensions.cs

@@ -0,0 +1,191 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Help;
+
+internal static class TokenStreamExtensions
+{
+    /// <summary>
+    /// Add a header.
+    /// </summary>
+    public static void Header(this TokenStream stream, int depth, string text, SourceExtent extent, bool lineBreak)
+    {
+        stream.Add(new MarkdownToken()
+        {
+            Depth = depth,
+            Extent = extent,
+            Text = text,
+            Type = MarkdownTokenType.Header,
+            Flag = lineBreak ? MarkdownTokens.LineBreak : MarkdownTokens.LineEnding | MarkdownTokens.Preserve
+        });
+    }
+
+    public static void YamlKeyValue(this TokenStream stream, string key, string value)
+    {
+        stream.Add(new MarkdownToken()
+        {
+            Meta = key,
+            Text = value,
+            Type = MarkdownTokenType.YamlKeyValue
+        });
+    }
+
+    /// <summary>
+    /// Add a code fence.
+    /// </summary>
+    public static void FencedBlock(this TokenStream stream, string meta, string text, SourceExtent extent, bool lineBreak)
+    {
+        stream.Add(new MarkdownToken()
+        {
+            Extent = extent,
+            Meta = meta,
+            Text = text,
+            Type = MarkdownTokenType.FencedBlock,
+            Flag = (lineBreak ? MarkdownTokens.LineBreak : MarkdownTokens.LineEnding) | MarkdownTokens.Preserve
+        });
+    }
+
+    /// <summary>
+    /// Add a line break.
+    /// </summary>
+    public static void LineBreak(this TokenStream stream, int count)
+    {
+        // Ignore line break at the very start of file
+        if (stream.Count == 0)
+        {
+            return;
+        }
+
+        for (var i = 0; i < count; i++)
+        {
+            stream.Add(new MarkdownToken() { Type = MarkdownTokenType.LineBreak, Flag = MarkdownTokens.LineBreak });
+        }
+    }
+
+    public static void Text(this TokenStream stream, string text, MarkdownTokens flag = MarkdownTokens.None)
+    {
+        if (MergeText(stream.Current, text, flag))
+        {
+            return;
+        }
+
+        stream.Add(new MarkdownToken() { Type = MarkdownTokenType.Text, Text = text, Flag = flag });
+    }
+
+    private static bool MergeText(MarkdownToken current, string text, MarkdownTokens flag)
+    {
+        // Only allow merge if the previous token was text
+        if (current == null || current.Type != MarkdownTokenType.Text)
+        {
+            return false;
+        }
+
+        if (current.Flag.ShouldPreserve())
+        {
+            return false;
+        }
+
+        // If the previous token was text, lessen the break but still don't allow merging
+        if (current.Flag.HasFlag(MarkdownTokens.LineBreak) && !current.Flag.ShouldPreserve())
+        {
+            return false;
+        }
+
+        // Text must have the same flags set
+        if (current.Flag.HasFlag(MarkdownTokens.Italic) != flag.HasFlag(MarkdownTokens.Italic))
+        {
+            return false;
+        }
+
+        if (current.Flag.HasFlag(MarkdownTokens.Bold) != flag.HasFlag(MarkdownTokens.Bold))
+        {
+            return false;
+        }
+
+        if (current.Flag.HasFlag(MarkdownTokens.Code) != flag.HasFlag(MarkdownTokens.Code))
+        {
+            return false;
+        }
+
+        if (!current.Flag.IsEnding())
+        {
+            current.Text = string.Concat(current.Text, text);
+        }
+        else if (current.Flag == MarkdownTokens.LineEnding)
+        {
+            return false;
+        }
+
+        // Take on the ending of the merged token
+        current.Flag = flag;
+
+        return true;
+    }
+
+    public static void Link(this TokenStream stream, string text, string uri)
+    {
+        stream.Add(new MarkdownToken() { Type = MarkdownTokenType.Link, Meta = text, Text = uri });
+    }
+
+    public static void LinkReference(this TokenStream stream, string text, string linkRef)
+    {
+        stream.Add(new MarkdownToken() { Type = MarkdownTokenType.LinkReference, Meta = text, Text = linkRef });
+    }
+
+    public static void LinkReferenceDefinition(this TokenStream stream, string text, string linkTarget)
+    {
+        stream.Add(new MarkdownToken() { Type = MarkdownTokenType.LinkReferenceDefinition, Meta = text, Text = linkTarget });
+    }
+
+    /// <summary>
+    /// Add a marker for the start of a paragraph.
+    /// </summary>
+    public static void ParagraphStart(this TokenStream stream)
+    {
+        stream.Add(new MarkdownToken() { Type = MarkdownTokenType.ParagraphStart });
+    }
+
+    /// <summary>
+    /// Add a marker for the end of a paragraph.
+    /// </summary>
+    public static void ParagraphEnd(this TokenStream stream)
+    {
+        if (stream.Count > 0)
+        {
+            if (stream.Current.Type == MarkdownTokenType.ParagraphStart)
+            {
+                stream.Pop();
+
+                return;
+            }
+
+            stream.Add(new MarkdownToken() { Type = MarkdownTokenType.ParagraphEnd });
+        }
+    }
+
+    public static IEnumerable<MarkdownToken> GetSection(this TokenStream stream, string header)
+    {
+        return stream.Count == 0
+            ? Enumerable.Empty<MarkdownToken>()
+            : stream
+                // Skip until we reach the header
+                .SkipWhile(token => token.Type != MarkdownTokenType.Header || token.Text != header)
+
+                // Get all tokens to the next header
+                .Skip(1)
+                .TakeWhile(token => token.Type != MarkdownTokenType.Header);
+    }
+
+    public static IEnumerable<MarkdownToken> GetSections(this TokenStream stream)
+    {
+        return stream.Count == 0
+            ? Enumerable.Empty<MarkdownToken>()
+            : stream
+                // Skip until we reach the header
+                .SkipWhile(token => token.Type != MarkdownTokenType.Header)
+
+                // Get all tokens to the next header
+                .Skip(1)
+                .TakeWhile(token => token.Type != MarkdownTokenType.Header);
+    }
+}

src/PSRule/Host/AssertVariable.cs

@@ -0,0 +1,24 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+using System.Management.Automation;
+using PSRule.Runtime;
+
+namespace PSRule.Host;
+
+/// <summary>
+/// An assertion helper variable $Assert used during Rule execution.
+/// </summary>
+internal sealed class AssertVariable : PSVariable
+{
+    private const string VARIABLE_NAME = "Assert";
+    private readonly Assert _Value;
+
+    public AssertVariable()
+        : base(VARIABLE_NAME, null, ScopedItemOptions.ReadOnly)
+    {
+        _Value = new Assert();
+    }
+
+    public override object Value => _Value;
+}

src/PSRule/Host/ConfigurationVariable.cs

@@ -0,0 +1,21 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+using System.Management.Automation;
+using PSRule.Runtime;
+
+namespace PSRule.Host;
+
+internal sealed class ConfigurationVariable : PSVariable
+{
+    private const string VARIABLE_NAME = "Configuration";
+    private readonly Runtime.Configuration _Value;
+
+    public ConfigurationVariable()
+        : base(VARIABLE_NAME, null, ScopedItemOptions.ReadOnly)
+    {
+        _Value = new Runtime.Configuration(RunspaceContext.CurrentThread);
+    }
+
+    public override object Value => _Value;
+}

src/PSRule/Host/HostState.cs

@@ -4,111 +4,9 @@
 using System.Management.Automation;
 using System.Management.Automation.Runspaces;
 using PSRule.Commands;
-using PSRule.Runtime;
 
 namespace PSRule.Host;
 
-/// <summary>
-/// A dynamic variable $PSRule used during Rule execution.
-/// </summary>
-internal sealed class PSRuleVariable : PSVariable
-{
-    private const string VARIABLE_NAME = "PSRule";
-
-    private readonly Runtime.PSRule _Value;
-
-    public PSRuleVariable()
-        : base(VARIABLE_NAME, null, ScopedItemOptions.ReadOnly)
-    {
-        _Value = new Runtime.PSRule(RunspaceContext.CurrentThread);
-    }
-
-    public override object Value => _Value;
-}
-
-/// <summary>
-/// A dynamic variable $Rule used during Rule execution.
-/// </summary>
-internal sealed class RuleVariable : PSVariable
-{
-    private const string VARIABLE_NAME = "Rule";
-
-    private readonly Rule _Value;
-
-    public RuleVariable()
-        : base(VARIABLE_NAME, null, ScopedItemOptions.ReadOnly)
-    {
-        _Value = new Rule();
-    }
-
-    public override object Value => _Value;
-}
-
-/// <summary>
-/// A dynamic variable $LocalizedData used during Rule execution.
-/// </summary>
-internal sealed class LocalizedDataVariable : PSVariable
-{
-    private const string VARIABLE_NAME = "LocalizedData";
-
-    private readonly LocalizedData _Value;
-
-    public LocalizedDataVariable()
-        : base(VARIABLE_NAME, null, ScopedItemOptions.ReadOnly)
-    {
-        _Value = new LocalizedData();
-    }
-
-    public override object Value => _Value;
-}
-
-/// <summary>
-/// An assertion helper variable $Assert used during Rule execution.
-/// </summary>
-internal sealed class AssertVariable : PSVariable
-{
-    private const string VARIABLE_NAME = "Assert";
-    private readonly Assert _Value;
-
-    public AssertVariable()
-        : base(VARIABLE_NAME, null, ScopedItemOptions.ReadOnly)
-    {
-        _Value = new Assert();
-    }
-
-    public override object Value => _Value;
-}
-
-/// <summary>
-/// A dynamic variable used during Rule execution.
-/// </summary>
-internal sealed class TargetObjectVariable : PSVariable
-{
-    private const string VARIABLE_NAME = "TargetObject";
-
-    public TargetObjectVariable()
-        : base(VARIABLE_NAME, null, ScopedItemOptions.ReadOnly)
-    {
-
-    }
-
-    public override object Value => RunspaceContext.CurrentThread.TargetObject?.Value;
-}
-
-internal sealed class ConfigurationVariable : PSVariable
-{
-    private const string VARIABLE_NAME = "Configuration";
-    private readonly Runtime.Configuration _Value;
-
-    public ConfigurationVariable()
-        : base(VARIABLE_NAME, null, ScopedItemOptions.ReadOnly)
-    {
-        _Value = new Runtime.Configuration(RunspaceContext.CurrentThread);
-    }
-
-    public override object Value => _Value;
-}
-
 internal static class HostState
 {
     /// <summary>

src/PSRule/Host/LocalizedDataVariable.cs

@@ -0,0 +1,25 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+using System.Management.Automation;
+using PSRule.Runtime;
+
+namespace PSRule.Host;
+
+/// <summary>
+/// A dynamic variable $LocalizedData used during Rule execution.
+/// </summary>
+internal sealed class LocalizedDataVariable : PSVariable
+{
+    private const string VARIABLE_NAME = "LocalizedData";
+
+    private readonly LocalizedData _Value;
+
+    public LocalizedDataVariable()
+        : base(VARIABLE_NAME, null, ScopedItemOptions.ReadOnly)
+    {
+        _Value = new LocalizedData();
+    }
+
+    public override object Value => _Value;
+}

src/PSRule/Host/PSRuleVariable.cs

@@ -0,0 +1,25 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+using System.Management.Automation;
+using PSRule.Runtime;
+
+namespace PSRule.Host;
+
+/// <summary>
+/// A dynamic variable $PSRule used during Rule execution.
+/// </summary>
+internal sealed class PSRuleVariable : PSVariable
+{
+    private const string VARIABLE_NAME = "PSRule";
+
+    private readonly Runtime.PSRule _Value;
+
+    public PSRuleVariable()
+        : base(VARIABLE_NAME, null, ScopedItemOptions.ReadOnly)
+    {
+        _Value = new Runtime.PSRule(RunspaceContext.CurrentThread);
+    }
+
+    public override object Value => _Value;
+}

src/PSRule/Host/RuleVariable.cs

@@ -0,0 +1,25 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+using System.Management.Automation;
+using PSRule.Runtime;
+
+namespace PSRule.Host;
+
+/// <summary>
+/// A dynamic variable $Rule used during Rule execution.
+/// </summary>
+internal sealed class RuleVariable : PSVariable
+{
+    private const string VARIABLE_NAME = "Rule";
+
+    private readonly Rule _Value;
+
+    public RuleVariable()
+        : base(VARIABLE_NAME, null, ScopedItemOptions.ReadOnly)
+    {
+        _Value = new Rule();
+    }
+
+    public override object Value => _Value;
+}

src/PSRule/Host/TargetObjectVariable.cs

@@ -0,0 +1,23 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+using System.Management.Automation;
+using PSRule.Runtime;
+
+namespace PSRule.Host;
+
+/// <summary>
+/// A dynamic variable used during Rule execution.
+/// </summary>
+internal sealed class TargetObjectVariable : PSVariable
+{
+    private const string VARIABLE_NAME = "TargetObject";
+
+    public TargetObjectVariable()
+        : base(VARIABLE_NAME, null, ScopedItemOptions.ReadOnly)
+    {
+
+    }
+
+    public override object Value => RunspaceContext.CurrentThread.TargetObject?.Value;
+}

src/PSRule/Pipeline/Dependencies/LockEntry.cs

@@ -0,0 +1,19 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+using Newtonsoft.Json;
+using PSRule.Data;
+
+namespace PSRule.Pipeline.Dependencies;
+
+/// <summary>
+/// An entry within the lock file.
+/// </summary>
+public sealed class LockEntry
+{
+    /// <summary>
+    /// The version to use.
+    /// </summary>
+    [JsonProperty("version", NullValueHandling = NullValueHandling.Include)]
+    public SemanticVersion.Version Version { get; set; }
+}

src/PSRule/Pipeline/Dependencies/LockFile.cs

@@ -3,22 +3,9 @@
 
 using System.Text;
 using Newtonsoft.Json;
-using PSRule.Data;
 
 namespace PSRule.Pipeline.Dependencies;
 
-/// <summary>
-/// An entry within the lock file.
-/// </summary>
-public sealed class LockEntry
-{
-    /// <summary>
-    /// The version to use.
-    /// </summary>
-    [JsonProperty("version", NullValueHandling = NullValueHandling.Include)]
-    public SemanticVersion.Version Version { get; set; }
-}
-
 /// <summary>
 /// Define the structure for the PSRule lock file.
 /// By default, this file is <c>ps-rule.lock.json</c>.

src/PSRule/Pipeline/Emitters/EmitterChain.cs

@@ -3,10 +3,9 @@
 
 using PSRule.Emitters;
 
-namespace PSRule.Pipeline.Emitters
-{
-    /// <summary>
-    /// A chain of emitters.
-    /// </summary>
-    internal delegate bool EmitterChain(IEmitterContext context, object o, Type type);
-}
+namespace PSRule.Pipeline.Emitters;
+
+/// <summary>
+/// A chain of emitters.
+/// </summary>
+internal delegate bool EmitterChain(IEmitterContext context, object o, Type type);

src/PSRule/Pipeline/Emitters/InternalFileInfo.cs

@@ -4,51 +4,50 @@
 using System.Diagnostics;
 using PSRule.Data;
 
-namespace PSRule.Pipeline.Emitters
+namespace PSRule.Pipeline.Emitters;
+
+[DebuggerDisplay("{Path}")]
+internal sealed class InternalFileInfo : IFileInfo, IDisposable
 {
-    [DebuggerDisplay("{Path}")]
-    internal sealed class InternalFileInfo : IFileInfo, IDisposable
+    private FileStream _Stream;
+    private bool _Disposed;
+
+    public InternalFileInfo(string path, string extension)
     {
-        private FileStream _Stream;
-        private bool _Disposed;
+        Path = path;
+        Extension = extension;
+    }
 
-        public InternalFileInfo(string path, string extension)
+    /// <inheritdoc/>
+    public string Path { get; }
+
+    /// <inheritdoc/>
+    public string Extension { get; }
+
+    /// <inheritdoc/>
+    public IFileStream GetFileStream()
+    {
+        _Stream ??= File.Open(Path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
+        _Stream.Position = 0;
+        return new InternalFileStream(this, _Stream);
+    }
+
+    private void Dispose(bool disposing)
+    {
+        if (!_Disposed)
         {
-            Path = path;
-            Extension = extension;
-        }
-
-        /// <inheritdoc/>
-        public string Path { get; }
-
-        /// <inheritdoc/>
-        public string Extension { get; }
-
-        /// <inheritdoc/>
-        public IFileStream GetFileStream()
-        {
-            _Stream ??= File.Open(Path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
-            _Stream.Position = 0;
-            return new InternalFileStream(this, _Stream);
-        }
-
-        private void Dispose(bool disposing)
-        {
-            if (!_Disposed)
+            if (disposing)
             {
-                if (disposing)
-                {
-                    _Stream.Dispose();
-                }
-                _Disposed = true;
+                _Stream.Dispose();
             }
-        }
-
-        public void Dispose()
-        {
-            // Do not change this code. Put cleanup code in 'Dispose(bool disposing)' method
-            Dispose(disposing: true);
-            GC.SuppressFinalize(this);
+            _Disposed = true;
         }
     }
+
+    public void Dispose()
+    {
+        // Do not change this code. Put cleanup code in 'Dispose(bool disposing)' method
+        Dispose(disposing: true);
+        GC.SuppressFinalize(this);
+    }
 }

src/PSRule/Pipeline/Emitters/InternalFileStream.cs

@@ -4,52 +4,51 @@
 using System.Text;
 using PSRule.Data;
 
-namespace PSRule.Pipeline.Emitters
+namespace PSRule.Pipeline.Emitters;
+
+internal sealed class InternalFileStream : IFileStream
 {
-    internal sealed class InternalFileStream : IFileStream
+    private readonly Stream _Stream;
+
+    private bool _Disposed;
+
+    internal InternalFileStream(IFileInfo info, Stream stream)
     {
-        private readonly Stream _Stream;
+        Info = info;
+        _Stream = stream;
+    }
 
-        private bool _Disposed;
+    /// <inheritdoc/>
+    public IFileInfo Info { get; }
 
-        internal InternalFileStream(IFileInfo info, Stream stream)
+    /// <inheritdoc/>
+    public TextReader AsTextReader()
+    {
+        return new StreamReader(
+            stream: _Stream,
+            encoding: Encoding.UTF8,
+            detectEncodingFromByteOrderMarks: true,
+            bufferSize: 1024,
+            leaveOpen: true
+        );
+    }
+
+    private void Dispose(bool disposing)
+    {
+        if (!_Disposed)
         {
-            Info = info;
-            _Stream = stream;
-        }
-
-        /// <inheritdoc/>
-        public IFileInfo Info { get; }
-
-        /// <inheritdoc/>
-        public TextReader AsTextReader()
-        {
-            return new StreamReader(
-                stream: _Stream,
-                encoding: Encoding.UTF8,
-                detectEncodingFromByteOrderMarks: true,
-                bufferSize: 1024,
-                leaveOpen: true
-            );
-        }
-
-        private void Dispose(bool disposing)
-        {
-            if (!_Disposed)
+            if (disposing)
             {
-                if (disposing)
-                {
-                    _Stream?.Dispose();
-                }
-                _Disposed = true;
+                _Stream?.Dispose();
             }
-        }
-
-        public void Dispose()
-        {
-            // Do not change this code. Put cleanup code in 'Dispose(bool disposing)' method
-            Dispose(disposing: true);
-            GC.SuppressFinalize(this);
+            _Disposed = true;
         }
     }
+
+    public void Dispose()
+    {
+        // Do not change this code. Put cleanup code in 'Dispose(bool disposing)' method
+        Dispose(disposing: true);
+        GC.SuppressFinalize(this);
+    }
 }

src/PSRule/Pipeline/Emitters/JsonEmitter.cs

@@ -24,10 +24,9 @@ internal sealed class JsonEmitter : FileEmitter
 
     public JsonEmitter()
     {
-        
         _Settings = new JsonSerializerSettings
         {
-            
+
         };
         _Deserializer = JsonSerializer.CreateDefault(_Settings); // Think about caching this.
         _Deserializer.Converters.Add(new PSObjectArrayJsonConverter(null));
@@ -88,13 +87,13 @@ internal sealed class JsonEmitter : FileEmitter
             VisitItems(context, value, null);
             return true;
         }
-        catch (Exception ex)
+        catch (Exception)
         {
             throw;
         }
         finally
         {
-            
+
         }
     }
 

src/PSRule/Pipeline/Emitters/YamlEmitter.cs

@@ -99,7 +99,7 @@ internal sealed class YamlEmitter : FileEmitter
             }
             return true;
         }
-        catch (Exception ex)
+        catch (Exception)
         {
             throw;
         }

src/PSRule/Pipeline/Formatters/AssertFormatterBase.cs

@@ -9,115 +9,6 @@ using PSRule.Rules;
 
 namespace PSRule.Pipeline.Formatters;
 
-internal interface IAssertFormatter : IPipelineWriter
-{
-    void Result(InvokeResult result);
-
-    void Error(ErrorRecord errorRecord);
-
-    void Warning(WarningRecord warningRecord);
-
-    void End(int total, int fail, int error);
-}
-
-/// <summary>
-/// Configures formatted output.
-/// </summary>
-internal sealed class TerminalSupport
-{
-    public TerminalSupport(int indent)
-    {
-        BodyIndent = new string(' ', indent);
-        MessageIdent = BodyIndent;
-        StartResultIndent = FormatterStrings.StartObjectPrefix;
-        SourceLocationPrefix = "| ";
-        SynopsisPrefix = FormatterStrings.SynopsisPrefix;
-        PassStatus = FormatterStrings.Result_Pass;
-        FailStatus = FormatterStrings.Result_Fail;
-        InformationStatus = FormatterStrings.Result_Information;
-        WarningStatus = FormatterStrings.Result_Warning;
-        ErrorStatus = FormatterStrings.Result_Error;
-        RecommendationHeading = FormatterStrings.Recommend;
-        RecommendationPrefix = "| ";
-        ReasonHeading = FormatterStrings.Reason;
-        ReasonItemPrefix = "| - ";
-        HelpHeading = FormatterStrings.Help;
-        HelpLinkPrefix = "| - ";
-    }
-
-    public string BodyIndent { get; }
-
-    public string MessageIdent { get; internal set; }
-
-    public string StartResultIndent { get; internal set; }
-
-    public ConsoleColor? StartResultForegroundColor { get; internal set; }
-
-    public string SourceLocationPrefix { get; internal set; }
-
-    public ConsoleColor? SourceLocationForegroundColor { get; internal set; }
-
-    public string SynopsisPrefix { get; internal set; }
-
-    public ConsoleColor? SynopsisForegroundColor { get; internal set; }
-
-    public string PassStatus { get; internal set; }
-
-    public ConsoleColor? PassForegroundColor { get; internal set; }
-
-    public ConsoleColor? PassBackgroundColor { get; internal set; }
-
-    public ConsoleColor? PassStatusBackgroundColor { get; internal set; }
-
-    public ConsoleColor? PassStatusForegroundColor { get; internal set; }
-
-    public string FailStatus { get; internal set; }
-
-    public ConsoleColor? FailForegroundColor { get; internal set; }
-
-    public ConsoleColor? FailBackgroundColor { get; internal set; }
-
-    public ConsoleColor? FailStatusBackgroundColor { get; internal set; }
-
-    public ConsoleColor? FailStatusForegroundColor { get; internal set; }
-
-    public string InformationStatus { get; internal set; }
-
-    public string WarningStatus { get; internal set; }
-
-    public ConsoleColor? WarningForegroundColor { get; internal set; }
-
-    public ConsoleColor? WarningBackgroundColor { get; internal set; }
-
-    public ConsoleColor? WarningStatusBackgroundColor { get; internal set; }
-
-    public ConsoleColor? WarningStatusForegroundColor { get; internal set; }
-
-    public string ErrorStatus { get; internal set; }
-
-    public ConsoleColor? ErrorForegroundColor { get; internal set; }
-
-    public ConsoleColor? ErrorBackgroundColor { get; internal set; }
-
-    public ConsoleColor? ErrorStatusBackgroundColor { get; internal set; }
-
-    public ConsoleColor? ErrorStatusForegroundColor { get; internal set; }
-
-    public ConsoleColor? BodyForegroundColor { get; internal set; }
-
-    public string RecommendationHeading { get; internal set; }
-
-    public string RecommendationPrefix { get; internal set; }
-
-    public string ReasonHeading { get; internal set; }
-
-    public string ReasonItemPrefix { get; internal set; }
-
-    public string HelpHeading { get; internal set; }
-
-    public string HelpLinkPrefix { get; internal set; }
-}
-
 /// <summary>
 /// A base class for a formatter.
 /// </summary>

src/PSRule/Pipeline/Formatters/IAssertFormatter.cs

@@ -0,0 +1,17 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+using System.Management.Automation;
+
+namespace PSRule.Pipeline.Formatters;
+
+internal interface IAssertFormatter : IPipelineWriter
+{
+    void Result(InvokeResult result);
+
+    void Error(ErrorRecord errorRecord);
+
+    void Warning(WarningRecord warningRecord);
+
+    void End(int total, int fail, int error);
+}

src/PSRule/Pipeline/Formatters/TerminalSupport.cs

@@ -0,0 +1,104 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+using PSRule.Resources;
+
+namespace PSRule.Pipeline.Formatters;
+
+/// <summary>
+/// Configures formatted output.
+/// </summary>
+internal sealed class TerminalSupport
+{
+    public TerminalSupport(int indent)
+    {
+        BodyIndent = new string(' ', indent);
+        MessageIdent = BodyIndent;
+        StartResultIndent = FormatterStrings.StartObjectPrefix;
+        SourceLocationPrefix = "| ";
+        SynopsisPrefix = FormatterStrings.SynopsisPrefix;
+        PassStatus = FormatterStrings.Result_Pass;
+        FailStatus = FormatterStrings.Result_Fail;
+        InformationStatus = FormatterStrings.Result_Information;
+        WarningStatus = FormatterStrings.Result_Warning;
+        ErrorStatus = FormatterStrings.Result_Error;
+        RecommendationHeading = FormatterStrings.Recommend;
+        RecommendationPrefix = "| ";
+        ReasonHeading = FormatterStrings.Reason;
+        ReasonItemPrefix = "| - ";
+        HelpHeading = FormatterStrings.Help;
+        HelpLinkPrefix = "| - ";
+    }
+
+    public string BodyIndent { get; }
+
+    public string MessageIdent { get; internal set; }
+
+    public string StartResultIndent { get; internal set; }
+
+    public ConsoleColor? StartResultForegroundColor { get; internal set; }
+
+    public string SourceLocationPrefix { get; internal set; }
+
+    public ConsoleColor? SourceLocationForegroundColor { get; internal set; }
+
+    public string SynopsisPrefix { get; internal set; }
+
+    public ConsoleColor? SynopsisForegroundColor { get; internal set; }
+
+    public string PassStatus { get; internal set; }
+
+    public ConsoleColor? PassForegroundColor { get; internal set; }
+
+    public ConsoleColor? PassBackgroundColor { get; internal set; }
+
+    public ConsoleColor? PassStatusBackgroundColor { get; internal set; }
+
+    public ConsoleColor? PassStatusForegroundColor { get; internal set; }
+
+    public string FailStatus { get; internal set; }
+
+    public ConsoleColor? FailForegroundColor { get; internal set; }
+
+    public ConsoleColor? FailBackgroundColor { get; internal set; }
+
+    public ConsoleColor? FailStatusBackgroundColor { get; internal set; }
+
+    public ConsoleColor? FailStatusForegroundColor { get; internal set; }
+
+    public string InformationStatus { get; internal set; }
+
+    public string WarningStatus { get; internal set; }
+
+    public ConsoleColor? WarningForegroundColor { get; internal set; }
+
+    public ConsoleColor? WarningBackgroundColor { get; internal set; }
+
+    public ConsoleColor? WarningStatusBackgroundColor { get; internal set; }
+
+    public ConsoleColor? WarningStatusForegroundColor { get; internal set; }
+
+    public string ErrorStatus { get; internal set; }
+
+    public ConsoleColor? ErrorForegroundColor { get; internal set; }
+
+    public ConsoleColor? ErrorBackgroundColor { get; internal set; }
+
+    public ConsoleColor? ErrorStatusBackgroundColor { get; internal set; }
+
+    public ConsoleColor? ErrorStatusForegroundColor { get; internal set; }
+
+    public ConsoleColor? BodyForegroundColor { get; internal set; }
+
+    public string RecommendationHeading { get; internal set; }
+
+    public string RecommendationPrefix { get; internal set; }
+
+    public string ReasonHeading { get; internal set; }
+
+    public string ReasonItemPrefix { get; internal set; }
+
+    public string HelpHeading { get; internal set; }
+
+    public string HelpLinkPrefix { get; internal set; }
+}

src/PSRule/Rules/IRuleHelpInfoV2.cs

@@ -0,0 +1,33 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+using System.Collections;
+using PSRule.Definitions;
+
+namespace PSRule.Rules;
+
+/// <summary>
+/// A rule help information structure.
+/// </summary>
+public interface IRuleHelpInfoV2 : IResourceHelpInfo
+{
+    /// <summary>
+    /// The rule recommendation.
+    /// </summary>
+    InfoString Recommendation { get; }
+
+    /// <summary>
+    /// Additional annotations, which are string key/ value pairs.
+    /// </summary>
+    Hashtable Annotations { get; }
+
+    /// <summary>
+    /// The name of the module where the rule was loaded from.
+    /// </summary>
+    string ModuleName { get; }
+
+    /// <summary>
+    /// Additional online links to reference information for the rule.
+    /// </summary>
+    Link[] Links { get; }
+}

src/PSRule/Rules/Link.cs

@@ -0,0 +1,26 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Rules;
+
+/// <summary>
+/// An URL link to reference information.
+/// </summary>
+public sealed class Link
+{
+    internal Link(string name, string uri)
+    {
+        Name = name;
+        Uri = uri;
+    }
+
+    /// <summary>
+    /// The display name of the link.
+    /// </summary>
+    public string Name { get; }
+
+    /// <summary>
+    /// The URL to the information, or the target link.
+    /// </summary>
+    public string Uri { get; }
+}

src/PSRule/Rules/RuleHelpInfo.cs

@@ -9,108 +9,6 @@ using YamlDotNet.Serialization;
 
 namespace PSRule.Rules;
 
-/// <summary>
-/// A rule help information structure.
-/// </summary>
-public interface IRuleHelpInfoV2 : IResourceHelpInfo
-{
-    /// <summary>
-    /// The rule recommendation.
-    /// </summary>
-    InfoString Recommendation { get; }
-
-    /// <summary>
-    /// Additional annotations, which are string key/ value pairs.
-    /// </summary>
-    Hashtable Annotations { get; }
-
-    /// <summary>
-    /// The name of the module where the rule was loaded from.
-    /// </summary>
-    string ModuleName { get; }
-
-    /// <summary>
-    /// Additional online links to reference information for the rule.
-    /// </summary>
-    Link[] Links { get; }
-}
-
-/// <summary>
-/// Extension methods for rule help information.
-/// </summary>
-public static class RuleHelpInfoExtensions
-{
-    private const string ONLINE_HELP_LINK_ANNOTATION = "online version";
-
-    /// <summary>
-    /// Get the URI for the online version of the documentation.
-    /// </summary>
-    /// <returns>Returns the URI when a valid link is set, otherwise null is returned.</returns>
-    public static Uri GetOnlineHelpUri(this IRuleHelpInfoV2 info)
-    {
-        var link = GetOnlineHelpUrl(info);
-        return link == null ||
-            !Uri.TryCreate(link, UriKind.Absolute, out var result) ?
-            null : result;
-    }
-
-    /// <summary>
-    /// Get the URL for the online version of the documentation.
-    /// </summary>
-    /// <returns>Returns the URL when set, otherwise null is returned.</returns>
-    public static string GetOnlineHelpUrl(this IRuleHelpInfoV2 info)
-    {
-        return info == null ||
-            info.Annotations == null ||
-            !info.Annotations.ContainsKey(ONLINE_HELP_LINK_ANNOTATION) ?
-            null : info.Annotations[ONLINE_HELP_LINK_ANNOTATION].ToString();
-    }
-
-    /// <summary>
-    /// Determines if the online help link is set.
-    /// </summary>
-    /// <returns>Returns <c>true</c> when the online help link is set. Otherwise this method returns <c>false</c>.</returns>
-    internal static bool HasOnlineHelp(this IRuleHelpInfoV2 info)
-    {
-        return info != null &&
-            info.Annotations != null &&
-            info.Annotations.ContainsKey(ONLINE_HELP_LINK_ANNOTATION);
-    }
-
-    /// <summary>
-    /// Set the online help link from the <paramref name="url"/> parameter.
-    /// </summary>
-    /// <param name="info">The info object.</param>
-    /// <param name="url">A URL to the online help location.</param>
-    internal static void SetOnlineHelpUrl(this IRuleHelpInfoV2 info, string url)
-    {
-        if (info == null || info.Annotations == null || string.IsNullOrEmpty(url)) return;
-        info.Annotations[ONLINE_HELP_LINK_ANNOTATION] = url;
-    }
-}
-
-/// <summary>
-/// An URL link to reference information.
-/// </summary>
-public sealed class Link
-{
-    internal Link(string name, string uri)
-    {
-        Name = name;
-        Uri = uri;
-    }
-
-    /// <summary>
-    /// The display name of the link.
-    /// </summary>
-    public string Name { get; }
-
-    /// <summary>
-    /// The URL to the information, or the target link.
-    /// </summary>
-    public string Uri { get; }
-}
-
 /// <summary>
 /// Output view helper class for rule help.
 /// </summary>

src/PSRule/Rules/RuleHelpInfoExtensions.cs

@@ -0,0 +1,58 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Rules;
+
+/// <summary>
+/// Extension methods for rule help information.
+/// </summary>
+public static class RuleHelpInfoExtensions
+{
+    private const string ONLINE_HELP_LINK_ANNOTATION = "online version";
+
+    /// <summary>
+    /// Get the URI for the online version of the documentation.
+    /// </summary>
+    /// <returns>Returns the URI when a valid link is set, otherwise null is returned.</returns>
+    public static Uri GetOnlineHelpUri(this IRuleHelpInfoV2 info)
+    {
+        var link = GetOnlineHelpUrl(info);
+        return link == null ||
+            !Uri.TryCreate(link, UriKind.Absolute, out var result) ?
+            null : result;
+    }
+
+    /// <summary>
+    /// Get the URL for the online version of the documentation.
+    /// </summary>
+    /// <returns>Returns the URL when set, otherwise null is returned.</returns>
+    public static string GetOnlineHelpUrl(this IRuleHelpInfoV2 info)
+    {
+        return info == null ||
+            info.Annotations == null ||
+            !info.Annotations.ContainsKey(ONLINE_HELP_LINK_ANNOTATION) ?
+            null : info.Annotations[ONLINE_HELP_LINK_ANNOTATION].ToString();
+    }
+
+    /// <summary>
+    /// Determines if the online help link is set.
+    /// </summary>
+    /// <returns>Returns <c>true</c> when the online help link is set. Otherwise this method returns <c>false</c>.</returns>
+    internal static bool HasOnlineHelp(this IRuleHelpInfoV2 info)
+    {
+        return info != null &&
+            info.Annotations != null &&
+            info.Annotations.ContainsKey(ONLINE_HELP_LINK_ANNOTATION);
+    }
+
+    /// <summary>
+    /// Set the online help link from the <paramref name="url"/> parameter.
+    /// </summary>
+    /// <param name="info">The info object.</param>
+    /// <param name="url">A URL to the online help location.</param>
+    internal static void SetOnlineHelpUrl(this IRuleHelpInfoV2 info, string url)
+    {
+        if (info == null || info.Annotations == null || string.IsNullOrEmpty(url)) return;
+        info.Annotations[ONLINE_HELP_LINK_ANNOTATION] = url;
+    }
+}

src/PSRule/Runtime/ILanguageScope.cs

@@ -0,0 +1,56 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+using PSRule.Configuration;
+using PSRule.Definitions;
+using PSRule.Pipeline;
+
+namespace PSRule.Runtime;
+
+/// <summary>
+/// A named scope for language elements.
+/// </summary>
+internal interface ILanguageScope : IDisposable
+{
+    /// <summary>
+    /// The name of the scope.
+    /// </summary>
+    string Name { get; }
+
+    BindingOption Binding { get; }
+
+    /// <summary>
+    /// Get an ordered culture preference list which will be tries for finding help.
+    /// </summary>
+    string[] Culture { get; }
+
+    void Configure(OptionContext context);
+
+    /// <summary>
+    /// Try to get a specific configuration value by name.
+    /// </summary>
+    bool TryConfigurationValue(string key, out object value);
+
+    void WithFilter(IResourceFilter resourceFilter);
+
+    /// <summary>
+    /// Get a filter for a specific resource kind.
+    /// </summary>
+    IResourceFilter GetFilter(ResourceKind kind);
+
+    /// <summary>
+    /// Add a service to the scope.
+    /// </summary>
+    void AddService(string name, object service);
+
+    /// <summary>
+    /// Get a previously added service.
+    /// </summary>
+    object GetService(string name);
+
+    bool TryGetType(object o, out string type, out string path);
+
+    bool TryGetName(object o, out string name, out string path);
+
+    bool TryGetScope(object o, out string[] scope);
+}

src/PSRule/Runtime/ILogger.cs

@@ -3,25 +3,6 @@
 
 namespace PSRule.Runtime;
 
-/// <summary>
-/// A set of log levels which indicate different types of diagnostic messages.
-/// </summary>
-[Flags]
-internal enum LogLevel
-{
-    None = 0,
-
-    Error = 1,
-
-    Warning = 2,
-
-    Info = 4,
-
-    Verbose = 8,
-
-    Debug = 16,
-}
-
 /// <summary>
 /// A generic interface for diagnostic logging within PSRule.
 /// </summary>
@@ -45,6 +26,6 @@ internal interface ILogger
     /// Write an error from an exception.
     /// </summary>
     /// <param name="exception">The exception to write.</param>
-    /// <param name="errorId">A string identififer for the error.</param>
+    /// <param name="errorId">A string identifier for the error.</param>
     void Error(Exception exception, string errorId = null);
 }

src/PSRule/Runtime/IOperand.cs

@@ -0,0 +1,30 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Runtime;
+
+/// <summary>
+/// An operand that is compared with PSRule expressions.
+/// </summary>
+public interface IOperand
+{
+    /// <summary>
+    /// The value of the operand.
+    /// </summary>
+    object Value { get; }
+
+    /// <summary>
+    /// The type of operand.
+    /// </summary>
+    OperandKind Kind { get; }
+
+    /// <summary>
+    /// The object path to the operand.
+    /// </summary>
+    string Path { get; }
+
+    /// <summary>
+    /// A logical prefix to add to the object path.
+    /// </summary>
+    string Prefix { get; set; }
+}

src/PSRule/Runtime/LanguageScope.cs

@@ -8,54 +8,6 @@ using PSRule.Pipeline;
 
 namespace PSRule.Runtime;
 
-/// <summary>
-/// A named scope for language elements.
-/// </summary>
-internal interface ILanguageScope : IDisposable
-{
-    /// <summary>
-    /// The name of the scope.
-    /// </summary>
-    string Name { get; }
-
-    BindingOption Binding { get; }
-
-    /// <summary>
-    /// Get an ordered culture preference list which will be tries for finding help.
-    /// </summary>
-    string[] Culture { get; }
-
-    void Configure(OptionContext context);
-
-    /// <summary>
-    /// Try to get a specific configuration value by name.
-    /// </summary>
-    bool TryConfigurationValue(string key, out object value);
-
-    void WithFilter(IResourceFilter resourceFilter);
-
-    /// <summary>
-    /// Get a filter for a specific resource kind.
-    /// </summary>
-    IResourceFilter GetFilter(ResourceKind kind);
-
-    /// <summary>
-    /// Add a service to the scope.
-    /// </summary>
-    void AddService(string name, object service);
-
-    /// <summary>
-    /// Get a previously added service.
-    /// </summary>
-    object GetService(string name);
-
-    bool TryGetType(object o, out string type, out string path);
-
-    bool TryGetName(object o, out string name, out string path);
-
-    bool TryGetScope(object o, out string[] scope);
-}
-
 [DebuggerDisplay("{Name}")]
 internal sealed class LanguageScope : ILanguageScope
 {
@@ -225,102 +177,3 @@ internal sealed class LanguageScope : ILanguageScope
         GC.SuppressFinalize(this);
     }
 }
-
-/// <summary>
-/// A collection of <see cref="ILanguageScope"/>.
-/// </summary>
-internal sealed class LanguageScopeSet : IDisposable
-{
-    private readonly RunspaceContext _Context;
-    private readonly Dictionary<string, ILanguageScope> _Scopes;
-
-    private ILanguageScope _Current;
-    private bool _Disposed;
-
-    public LanguageScopeSet(RunspaceContext context)
-    {
-        _Context = context;
-        _Scopes = new Dictionary<string, ILanguageScope>(StringComparer.OrdinalIgnoreCase);
-        Import(null, out _Current);
-    }
-
-    public ILanguageScope Current
-    {
-        get
-        {
-            return _Current;
-        }
-    }
-
-    #region IDisposable
-
-    private void Dispose(bool disposing)
-    {
-        if (!_Disposed)
-        {
-            if (disposing)
-            {
-                // Release and dispose scopes
-                if (_Scopes != null && _Scopes.Count > 0)
-                {
-                    foreach (var kv in _Scopes)
-                        kv.Value.Dispose();
-
-                    _Scopes.Clear();
-                }
-            }
-            _Disposed = true;
-        }
-    }
-
-    public void Dispose()
-    {
-        // Do not change this code. Put cleanup code in 'Dispose(bool disposing)' method
-        Dispose(disposing: true);
-        GC.SuppressFinalize(this);
-    }
-
-    #endregion IDisposable
-
-    internal void Add(ILanguageScope languageScope)
-    {
-        _Scopes.Add(languageScope.Name, languageScope);
-    }
-
-    internal IEnumerable<ILanguageScope> Get()
-    {
-        return _Scopes.Values;
-    }
-
-    /// <summary>
-    /// Switch to a specific language scope by name.
-    /// </summary>
-    /// <param name="name">The name of the language scope to switch to.</param>
-    internal void UseScope(string name)
-    {
-        if (!_Scopes.TryGetValue(GetScopeName(name), out var scope))
-            throw new Exception($"The specified scope '{name}' was not found.");
-
-        _Current = scope;
-    }
-
-    internal bool TryScope(string name, out ILanguageScope scope)
-    {
-        return _Scopes.TryGetValue(GetScopeName(name), out scope);
-    }
-
-    internal bool Import(string name, out ILanguageScope scope)
-    {
-        if (_Scopes.TryGetValue(GetScopeName(name), out scope))
-            return false;
-
-        scope = new LanguageScope(_Context, name);
-        Add(scope);
-        return true;
-    }
-
-    private static string GetScopeName(string name)
-    {
-        return LanguageScope.Normalize(name);
-    }
-}

src/PSRule/Runtime/LanguageScopeSet.cs

@@ -0,0 +1,103 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Runtime;
+
+/// <summary>
+/// A collection of <see cref="ILanguageScope"/>.
+/// </summary>
+internal sealed class LanguageScopeSet : IDisposable
+{
+    private readonly RunspaceContext _Context;
+    private readonly Dictionary<string, ILanguageScope> _Scopes;
+
+    private ILanguageScope _Current;
+    private bool _Disposed;
+
+    public LanguageScopeSet(RunspaceContext context)
+    {
+        _Context = context;
+        _Scopes = new Dictionary<string, ILanguageScope>(StringComparer.OrdinalIgnoreCase);
+        Import(null, out _Current);
+    }
+
+    public ILanguageScope Current
+    {
+        get
+        {
+            return _Current;
+        }
+    }
+
+    #region IDisposable
+
+    private void Dispose(bool disposing)
+    {
+        if (!_Disposed)
+        {
+            if (disposing)
+            {
+                // Release and dispose scopes
+                if (_Scopes != null && _Scopes.Count > 0)
+                {
+                    foreach (var kv in _Scopes)
+                        kv.Value.Dispose();
+
+                    _Scopes.Clear();
+                }
+            }
+            _Disposed = true;
+        }
+    }
+
+    public void Dispose()
+    {
+        // Do not change this code. Put cleanup code in 'Dispose(bool disposing)' method
+        Dispose(disposing: true);
+        GC.SuppressFinalize(this);
+    }
+
+    #endregion IDisposable
+
+    internal void Add(ILanguageScope languageScope)
+    {
+        _Scopes.Add(languageScope.Name, languageScope);
+    }
+
+    internal IEnumerable<ILanguageScope> Get()
+    {
+        return _Scopes.Values;
+    }
+
+    /// <summary>
+    /// Switch to a specific language scope by name.
+    /// </summary>
+    /// <param name="name">The name of the language scope to switch to.</param>
+    internal void UseScope(string name)
+    {
+        if (!_Scopes.TryGetValue(GetScopeName(name), out var scope))
+            throw new Exception($"The specified scope '{name}' was not found.");
+
+        _Current = scope;
+    }
+
+    internal bool TryScope(string name, out ILanguageScope scope)
+    {
+        return _Scopes.TryGetValue(GetScopeName(name), out scope);
+    }
+
+    internal bool Import(string name, out ILanguageScope scope)
+    {
+        if (_Scopes.TryGetValue(GetScopeName(name), out scope))
+            return false;
+
+        scope = new LanguageScope(_Context, name);
+        Add(scope);
+        return true;
+    }
+
+    private static string GetScopeName(string name)
+    {
+        return LanguageScope.Normalize(name);
+    }
+}

src/PSRule/Runtime/LogLevel.cs

@@ -0,0 +1,23 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Runtime;
+
+/// <summary>
+/// A set of log levels which indicate different types of diagnostic messages.
+/// </summary>
+[Flags]
+internal enum LogLevel
+{
+    None = 0,
+
+    Error = 1,
+
+    Warning = 2,
+
+    Info = 4,
+
+    Verbose = 8,
+
+    Debug = 16,
+}

src/PSRule/Runtime/NameToken.cs

@@ -5,27 +5,6 @@ using System.Diagnostics;
 
 namespace PSRule.Runtime;
 
-/// <summary>
-/// The type of NameToken.
-/// </summary>
-internal enum NameTokenType
-{
-    /// <summary>
-    /// The token represents a field/ property of an object.
-    /// </summary>
-    Field = 0,
-
-    /// <summary>
-    /// The token is an index in an object.
-    /// </summary>
-    Index = 1,
-
-    /// <summary>
-    /// The token is a reference to the parent object. Can only be the first token.
-    /// </summary>
-    Self = 2
-}
-
 /// <summary>
 /// A token for expressing a path through a tree of fields.
 /// </summary>

src/PSRule/Runtime/NameTokenType.cs

@@ -0,0 +1,25 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Runtime;
+
+/// <summary>
+/// The type of NameToken.
+/// </summary>
+internal enum NameTokenType
+{
+    /// <summary>
+    /// The token represents a field/ property of an object.
+    /// </summary>
+    Field = 0,
+
+    /// <summary>
+    /// The token is an index in an object.
+    /// </summary>
+    Index = 1,
+
+    /// <summary>
+    /// The token is a reference to the parent object. Can only be the first token.
+    /// </summary>
+    Self = 2
+}

src/PSRule/Runtime/ObjectPath/FilterOperator.cs

@@ -0,0 +1,22 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Runtime.ObjectPath;
+
+internal enum FilterOperator
+{
+    None = 0,
+
+    // Comparison
+    Equal,
+    NotEqual,
+    LessOrEqual,
+    Less,
+    GreaterOrEqual,
+    Greater,
+    RegEx,
+
+    // Logical
+    Or,
+    And,
+}

src/PSRule/Runtime/ObjectPath/IPathToken.cs

@@ -0,0 +1,15 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Runtime.ObjectPath;
+
+internal interface IPathToken
+{
+    PathTokenType Type { get; }
+
+    PathTokenOption Option { get; }
+
+    object Arg { get; }
+
+    T As<T>();
+}

src/PSRule/Runtime/ObjectPath/ITokenReader.cs

@@ -0,0 +1,15 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Runtime.ObjectPath;
+
+internal interface ITokenReader
+{
+    IPathToken Current { get; }
+
+    bool Next(out IPathToken token);
+
+    bool Consume(PathTokenType type);
+
+    bool Peak(out IPathToken token);
+}

src/PSRule/Runtime/ObjectPath/ITokenWriter.cs

@@ -0,0 +1,11 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Runtime.ObjectPath;
+
+internal interface ITokenWriter
+{
+    IPathToken Last { get; }
+
+    void Add(IPathToken token);
+}

src/PSRule/Runtime/ObjectPath/PathToken.cs

@@ -0,0 +1,36 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+using System.Diagnostics;
+
+namespace PSRule.Runtime.ObjectPath;
+
+[DebuggerDisplay("Type = {Type}, Arg = {Arg}")]
+internal sealed class PathToken : IPathToken
+{
+    public static readonly PathToken RootRef = new(PathTokenType.RootRef);
+    public static readonly PathToken CurrentRef = new(PathTokenType.CurrentRef);
+
+    public PathTokenType Type { get; }
+
+    public PathTokenOption Option { get; }
+
+    public PathToken(PathTokenType type)
+    {
+        Type = type;
+    }
+
+    public PathToken(PathTokenType type, object arg, PathTokenOption option = PathTokenOption.None)
+    {
+        Type = type;
+        Arg = arg;
+        Option = option;
+    }
+
+    public object Arg { get; }
+
+    public T As<T>()
+    {
+        return Arg is T result ? result : default;
+    }
+}

src/PSRule/Runtime/ObjectPath/PathTokenOption.cs

@@ -0,0 +1,11 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Runtime.ObjectPath;
+
+internal enum PathTokenOption
+{
+    None = 0,
+
+    CaseSensitive
+}

src/PSRule/Runtime/ObjectPath/PathTokenType.cs

@@ -0,0 +1,64 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Runtime.ObjectPath;
+
+internal enum PathTokenType
+{
+    None = 0,
+
+    /// <summary>
+    /// Token: $
+    /// </summary>
+    RootRef,
+
+    /// <summary>
+    /// Token: @
+    /// </summary>
+    CurrentRef,
+
+    /// <summary>
+    /// Token: .Name
+    /// </summary>
+    DotSelector,
+
+    /// <summary>
+    /// Token: [index]
+    /// </summary>
+    IndexSelector,
+
+    /// <summary>
+    /// Token: [*]
+    /// </summary>
+    IndexWildSelector,
+
+    StartFilter,
+    ComparisonOperator,
+    Boolean,
+    EndFilter,
+    String,
+    Integer,
+    LogicalOperator,
+
+    StartGroup,
+    EndGroup,
+
+    /// <summary>
+    /// Token: !
+    /// </summary>
+    NotOperator,
+
+    /// <summary>
+    /// Token: ..
+    /// </summary>
+    DescendantSelector,
+
+    /// <summary>
+    /// Token: .*
+    /// </summary>
+    DotWildSelector,
+
+    ArraySliceSelector,
+    UnionIndexSelector,
+    UnionQuotedMemberSelector,
+}

src/PSRule/Runtime/ObjectPath/TokenReader.cs

@@ -0,0 +1,48 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Runtime.ObjectPath;
+
+internal sealed class TokenReader : ITokenReader
+{
+    private readonly IPathToken[] _Tokens;
+    private readonly int _Last;
+
+    private int _Index;
+
+    public TokenReader(IPathToken[] tokens)
+    {
+        _Tokens = tokens;
+        _Last = tokens.Length - 1;
+        _Index = -1;
+    }
+
+    public IPathToken Current { get; private set; }
+
+    public bool Consume(PathTokenType type)
+    {
+        return Peak(out var token) && token.Type == type && Next();
+    }
+
+    public bool Next(out IPathToken token)
+    {
+        token = null;
+        if (!Next())
+            return false;
+
+        token = Current;
+        return true;
+    }
+
+    private bool Next()
+    {
+        Current = _Index < _Last ? _Tokens[++_Index] : null;
+        return Current != null;
+    }
+
+    public bool Peak(out IPathToken token)
+    {
+        token = _Index < _Last ? _Tokens[_Index + 1] : null;
+        return token != null;
+    }
+}

src/PSRule/Runtime/ObjectPath/Tokens.cs

@@ -1,194 +0,0 @@
-// Copyright (c) Microsoft Corporation.
-// Licensed under the MIT License.
-
-using System.Diagnostics;
-
-namespace PSRule.Runtime.ObjectPath;
-
-internal enum PathTokenType
-{
-    None = 0,
-
-    /// <summary>
-    /// Token: $
-    /// </summary>
-    RootRef,
-
-    /// <summary>
-    /// Token: @
-    /// </summary>
-    CurrentRef,
-
-    /// <summary>
-    /// Token: .Name
-    /// </summary>
-    DotSelector,
-
-    /// <summary>
-    /// Token: [index]
-    /// </summary>
-    IndexSelector,
-
-    /// <summary>
-    /// Token: [*]
-    /// </summary>
-    IndexWildSelector,
-
-    StartFilter,
-    ComparisonOperator,
-    Boolean,
-    EndFilter,
-    String,
-    Integer,
-    LogicalOperator,
-
-    StartGroup,
-    EndGroup,
-
-    /// <summary>
-    /// Token: !
-    /// </summary>
-    NotOperator,
-
-    /// <summary>
-    /// Token: ..
-    /// </summary>
-    DescendantSelector,
-
-    /// <summary>
-    /// Token: .*
-    /// </summary>
-    DotWildSelector,
-
-    ArraySliceSelector,
-    UnionIndexSelector,
-    UnionQuotedMemberSelector,
-}
-
-internal enum PathTokenOption
-{
-    None = 0,
-
-    CaseSensitive
-}
-
-internal enum FilterOperator
-{
-    None = 0,
-
-    // Comparison
-    Equal,
-    NotEqual,
-    LessOrEqual,
-    Less,
-    GreaterOrEqual,
-    Greater,
-    RegEx,
-
-    // Logical
-    Or,
-    And,
-}
-
-internal interface IPathToken
-{
-    PathTokenType Type { get; }
-
-    PathTokenOption Option { get; }
-
-    object Arg { get; }
-
-    T As<T>();
-}
-
-[DebuggerDisplay("Type = {Type}, Arg = {Arg}")]
-internal sealed class PathToken : IPathToken
-{
-    public static readonly PathToken RootRef = new(PathTokenType.RootRef);
-    public static readonly PathToken CurrentRef = new(PathTokenType.CurrentRef);
-
-    public PathTokenType Type { get; }
-
-    public PathTokenOption Option { get; }
-
-    public PathToken(PathTokenType type)
-    {
-        Type = type;
-    }
-
-    public PathToken(PathTokenType type, object arg, PathTokenOption option = PathTokenOption.None)
-    {
-        Type = type;
-        Arg = arg;
-        Option = option;
-    }
-
-    public object Arg { get; }
-
-    public T As<T>()
-    {
-        return Arg is T result ? result : default;
-    }
-}
-
-internal interface ITokenWriter
-{
-    IPathToken Last { get; }
-
-    void Add(IPathToken token);
-}
-
-internal interface ITokenReader
-{
-    IPathToken Current { get; }
-
-    bool Next(out IPathToken token);
-
-    bool Consume(PathTokenType type);
-
-    bool Peak(out IPathToken token);
-}
-
-internal sealed class TokenReader : ITokenReader
-{
-    private readonly IPathToken[] _Tokens;
-    private readonly int _Last;
-
-    private int _Index;
-
-    public TokenReader(IPathToken[] tokens)
-    {
-        _Tokens = tokens;
-        _Last = tokens.Length - 1;
-        _Index = -1;
-    }
-
-    public IPathToken Current { get; private set; }
-
-    public bool Consume(PathTokenType type)
-    {
-        return Peak(out var token) && token.Type == type && Next();
-    }
-
-    public bool Next(out IPathToken token)
-    {
-        token = null;
-        if (!Next())
-            return false;
-
-        token = Current;
-        return true;
-    }
-
-    private bool Next()
-    {
-        Current = _Index < _Last ? _Tokens[++_Index] : null;
-        return Current != null;
-    }
-
-    public bool Peak(out IPathToken token)
-    {
-        token = _Index < _Last ? _Tokens[_Index + 1] : null;
-        return token != null;
-    }
-}

src/PSRule/Runtime/Operand.cs

@@ -3,78 +3,6 @@
 
 namespace PSRule.Runtime;
 
-/// <summary>
-/// The type of operand that is compared with the expression.
-/// </summary>
-public enum OperandKind
-{
-    /// <summary>
-    /// Unknown.
-    /// </summary>
-    None = 0,
-
-    /// <summary>
-    /// An object path.
-    /// </summary>
-    Path = 1,
-
-    /// <summary>
-    /// The object target type.
-    /// </summary>
-    Type = 2,
-
-    /// <summary>
-    /// The object target name.
-    /// </summary>
-    Name = 3,
-
-    /// <summary>
-    /// The object source information.
-    /// </summary>
-    Source = 4,
-
-    /// <summary>
-    /// The target object itself.
-    /// </summary>
-    Target = 5,
-
-    /// <summary>
-    /// A literal value or function.
-    /// </summary>
-    Value = 6,
-
-    /// <summary>
-    /// The object scope.
-    /// </summary>
-    Scope = 7
-}
-
-/// <summary>
-/// An operand that is compared with PSRule expressions.
-/// </summary>
-public interface IOperand
-{
-    /// <summary>
-    /// The value of the operand.
-    /// </summary>
-    object Value { get; }
-
-    /// <summary>
-    /// The type of operand.
-    /// </summary>
-    OperandKind Kind { get; }
-
-    /// <summary>
-    /// The object path to the operand.
-    /// </summary>
-    string Path { get; }
-
-    /// <summary>
-    /// A logical prefix to add to the object path.
-    /// </summary>
-    string Prefix { get; set; }
-}
-
 internal sealed class Operand : IOperand
 {
     private const string Dot = ".";

src/PSRule/Runtime/OperandKind.cs

@@ -0,0 +1,50 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Runtime;
+
+/// <summary>
+/// The type of operand that is compared with the expression.
+/// </summary>
+public enum OperandKind
+{
+    /// <summary>
+    /// Unknown.
+    /// </summary>
+    None = 0,
+
+    /// <summary>
+    /// An object path.
+    /// </summary>
+    Path = 1,
+
+    /// <summary>
+    /// The object target type.
+    /// </summary>
+    Type = 2,
+
+    /// <summary>
+    /// The object target name.
+    /// </summary>
+    Name = 3,
+
+    /// <summary>
+    /// The object source information.
+    /// </summary>
+    Source = 4,
+
+    /// <summary>
+    /// The target object itself.
+    /// </summary>
+    Target = 5,
+
+    /// <summary>
+    /// A literal value or function.
+    /// </summary>
+    Value = 6,
+
+    /// <summary>
+    /// The object scope.
+    /// </summary>
+    Scope = 7
+}

src/PSRule/Runtime/RuleConditionHelper.cs

@@ -0,0 +1,62 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Runtime;
+
+internal static class RuleConditionHelper
+{
+    private static readonly RuleConditionResult Empty = new(pass: 0, count: 0, hadErrors: false);
+
+    internal static RuleConditionResult Create(IEnumerable<object> value)
+    {
+        if (value == null)
+            return Empty;
+
+        var count = 0;
+        var pass = 0;
+        var hasErrors = false;
+        foreach (var v in value)
+        {
+            count++;
+            if (v == null)
+                continue;
+
+            var baseObject = ExpressionHelpers.GetBaseObject(v);
+            if (!(TryAssertResult(baseObject, out var result) || TryBoolean(baseObject, out result)))
+            {
+                RunspaceContext.CurrentThread.ErrorInvaildRuleResult();
+                hasErrors = true;
+            }
+            else if (result)
+            {
+                pass++;
+            }
+        }
+        return new RuleConditionResult(pass, count, hasErrors);
+    }
+
+    private static bool TryBoolean(object o, out bool result)
+    {
+        result = false;
+        if (o is not bool bresult)
+            return false;
+
+        result = bresult;
+        return true;
+    }
+
+    private static bool TryAssertResult(object o, out bool result)
+    {
+        result = false;
+        if (o is not AssertResult assert)
+            return false;
+
+        result = assert.Result;
+
+        // Complete results
+        if (RunspaceContext.CurrentThread.IsScope(RunspaceScope.Rule))
+            assert.Complete();
+
+        return true;
+    }
+}

src/PSRule/Runtime/RuleConditionResult.cs

@@ -5,64 +5,6 @@ using PSRule.Definitions;
 
 namespace PSRule.Runtime;
 
-internal static class RuleConditionHelper
-{
-    private static readonly RuleConditionResult Empty = new(pass: 0, count: 0, hadErrors: false);
-
-    internal static RuleConditionResult Create(IEnumerable<object> value)
-    {
-        if (value == null)
-            return Empty;
-
-        var count = 0;
-        var pass = 0;
-        var hasErrors = false;
-        foreach (var v in value)
-        {
-            count++;
-            if (v == null)
-                continue;
-
-            var baseObject = ExpressionHelpers.GetBaseObject(v);
-            if (!(TryAssertResult(baseObject, out var result) || TryBoolean(baseObject, out result)))
-            {
-                RunspaceContext.CurrentThread.ErrorInvaildRuleResult();
-                hasErrors = true;
-            }
-            else if (result)
-            {
-                pass++;
-            }
-        }
-        return new RuleConditionResult(pass, count, hasErrors);
-    }
-
-    private static bool TryBoolean(object o, out bool result)
-    {
-        result = false;
-        if (o is not bool bresult)
-            return false;
-
-        result = bresult;
-        return true;
-    }
-
-    private static bool TryAssertResult(object o, out bool result)
-    {
-        result = false;
-        if (o is not AssertResult assert)
-            return false;
-
-        result = assert.Result;
-
-        // Complete results
-        if (RunspaceContext.CurrentThread.IsScope(RunspaceScope.Rule))
-            assert.Complete();
-
-        return true;
-    }
-}
-
 internal sealed class RuleConditionResult : IConditionResult
 {
     internal RuleConditionResult(int pass, int count, bool hadErrors)

src/PSRule/Runtime/RunspaceContext.cs

@@ -14,42 +14,6 @@ using static PSRule.Pipeline.PipelineContext;
 
 namespace PSRule.Runtime;
 
-/// <summary>
-/// The available language scope types.
-/// </summary>
-[Flags]
-public enum RunspaceScope
-{
-    None = 0,
-
-    Source = 1,
-
-    /// <summary>
-    /// Executing a rule.
-    /// </summary>
-    Rule = 2,
-
-    /// <summary>
-    /// Executing a rule precondition.
-    /// </summary>
-    Precondition = 4,
-
-    /// <summary>
-    /// Execution is currently parsing YAML objects.
-    /// </summary>
-    Resource = 8,
-
-    ConventionBegin = 16,
-    ConventionProcess = 32,
-    ConventionEnd = 64,
-    ConventionInitialize = 128,
-
-    Convention = ConventionInitialize | ConventionBegin | ConventionProcess | ConventionEnd,
-    Target = Rule | Precondition | ConventionBegin | ConventionProcess,
-    Runtime = Rule | Precondition | Convention,
-    All = Source | Rule | Precondition | Resource | Convention,
-}
-
 /// <summary>
 /// A context for a PSRule runspace.
 /// </summary>

src/PSRule/Runtime/RunspaceScope.cs

@@ -0,0 +1,40 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+namespace PSRule.Runtime;
+
+/// <summary>
+/// The available language scope types.
+/// </summary>
+[Flags]
+public enum RunspaceScope
+{
+    None = 0,
+
+    Source = 1,
+
+    /// <summary>
+    /// Executing a rule.
+    /// </summary>
+    Rule = 2,
+
+    /// <summary>
+    /// Executing a rule precondition.
+    /// </summary>
+    Precondition = 4,
+
+    /// <summary>
+    /// Execution is currently parsing YAML objects.
+    /// </summary>
+    Resource = 8,
+
+    ConventionBegin = 16,
+    ConventionProcess = 32,
+    ConventionEnd = 64,
+    ConventionInitialize = 128,
+
+    Convention = ConventionInitialize | ConventionBegin | ConventionProcess | ConventionEnd,
+    Target = Rule | Precondition | ConventionBegin | ConventionProcess,
+    Runtime = Rule | Precondition | Convention,
+    All = Source | Rule | Precondition | Resource | Convention,
+}

tests/PSRule.Tests/RuleFilterTests.cs

@@ -1,6 +1,7 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT License.
 
+using System;
 using System.Collections;
 using PSRule.Definitions;
 using PSRule.Definitions.Rules;
@@ -10,24 +11,24 @@ namespace PSRule;
 /// <summary>
 /// Define tests to validate <see cref="RuleFilter"/>.
 /// </summary>
-public sealed class RuleFilterTests
+public sealed partial class RuleFilterTests
 {
     [Fact]
     public void MatchInclude()
     {
-        var filter = new RuleFilter(new string[] { "rule1", "rule2" }, null, null, null, null);
-        Assert.True(filter.Match("rule1", null, null));
-        Assert.True(filter.Match("Rule2", null, null));
-        Assert.False(filter.Match("rule3", null, null));
+        var filter = new RuleFilter(["rule1", "rule2"], null, null, null, null);
+        Assert.True(filter.Match(GetResource("rule1")));
+        Assert.True(filter.Match(GetResource("Rule2")));
+        Assert.False(filter.Match(GetResource("rule3")));
     }
 
     [Fact]
     public void MatchExclude()
     {
-        var filter = new RuleFilter(null, null, new string[] { "rule3" }, null, null);
-        Assert.True(filter.Match("rule1", null, null));
-        Assert.True(filter.Match("rule2", null, null));
-        Assert.False(filter.Match("Rule3", null, null));
+        var filter = new RuleFilter(null, null, ["rule3"], null, null);
+        Assert.True(filter.Match(GetResource("rule1")));
+        Assert.True(filter.Match(GetResource("rule2")));
+        Assert.False(filter.Match(GetResource("Rule3")));
     }
 
     [Fact]
@@ -45,12 +46,23 @@ public sealed class RuleFilterTests
 
         // Check basic match
         resourceTags["category"] = "group2";
-        Assert.True(filter.Match("rule", ResourceTags.FromHashtable(resourceTags), null));
+        Assert.True(filter.Match(GetResource("rule", ResourceTags.FromHashtable(resourceTags))));
         resourceTags["category"] = "group1";
-        Assert.True(filter.Match("rule", ResourceTags.FromHashtable(resourceTags), null));
+        Assert.True(filter.Match(GetResource("rule", ResourceTags.FromHashtable(resourceTags))));
         resourceTags["category"] = "group3";
-        Assert.False(filter.Match("rule", ResourceTags.FromHashtable(resourceTags), null));
-        Assert.False(filter.Match("rule", null, null));
+        Assert.False(filter.Match(GetResource("rule", ResourceTags.FromHashtable(resourceTags))));
+        Assert.False(filter.Match(GetResource("rule")));
+
+        // Include local
+        filter = new RuleFilter(null, tag, null, true, null);
+        resourceTags["category"] = "group1";
+        Assert.True(filter.Match(GetResource("module1\\rule", ResourceTags.FromHashtable(resourceTags))));
+        resourceTags["category"] = "group3";
+        Assert.False(filter.Match(GetResource("module1\\rule", ResourceTags.FromHashtable(resourceTags))));
+        resourceTags["category"] = "group3";
+        Assert.True(filter.Match(GetResource(".\\rule", ResourceTags.FromHashtable(resourceTags))));
+        Assert.False(filter.Match(GetResource("module1\\rule")));
+        Assert.True(filter.Match(GetResource(".\\rule")));
     }
 
     [Fact]
@@ -62,19 +74,28 @@ public sealed class RuleFilterTests
         // Create a filter
         var labels = new ResourceLabels
         {
-            ["framework.v1/control"] = new string[] { "c-1", "c-2" }
+            ["framework.v1/control"] = ["c-1", "c-2"]
         };
         var filter = new RuleFilter(null, null, null, null, labels);
 
         resourceLabels["framework.v1/control"] = new string[] { "c-2", "c-1" };
-        Assert.True(filter.Match("rule", null, ResourceLabels.FromHashtable(resourceLabels)));
+        Assert.True(filter.Match(GetResource("rule", null, ResourceLabels.FromHashtable(resourceLabels))));
         resourceLabels["framework.v1/control"] = new string[] { "c-3", "c-1" };
-        Assert.True(filter.Match("rule", null, ResourceLabels.FromHashtable(resourceLabels)));
+        Assert.True(filter.Match(GetResource("rule", null, ResourceLabels.FromHashtable(resourceLabels))));
         resourceLabels["framework.v1/control"] = new string[] { "c-1", "c-3" };
-        Assert.True(filter.Match("rule", null, ResourceLabels.FromHashtable(resourceLabels)));
+        Assert.True(filter.Match(GetResource("rule", null, ResourceLabels.FromHashtable(resourceLabels))));
         resourceLabels["framework.v1/control"] = new string[] { "c-3", "c-4" };
-        Assert.False(filter.Match("rule", null, ResourceLabels.FromHashtable(resourceLabels)));
-        resourceLabels["framework.v1/control"] = System.Array.Empty<string>();
-        Assert.False(filter.Match("rule", null, ResourceLabels.FromHashtable(resourceLabels)));
+        Assert.False(filter.Match(GetResource("rule", null, ResourceLabels.FromHashtable(resourceLabels))));
+        resourceLabels["framework.v1/control"] = Array.Empty<string>();
+        Assert.False(filter.Match(GetResource("rule", null, ResourceLabels.FromHashtable(resourceLabels))));
     }
+
+    #region Helper Methods
+
+    private static IResource GetResource(string id, ResourceTags resourceTags = null, ResourceLabels resourceLabels = null)
+    {
+        return new TestResourceName(ResourceId.Parse(id), resourceTags, resourceLabels);
+    }
+
+    #endregion Helper Methods
 }

tests/PSRule.Tests/TestResourceName.cs

@@ -0,0 +1,48 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+using System;
+using PSRule.Definitions;
+using PSRule.Pipeline;
+
+namespace PSRule;
+
+internal sealed class TestResourceName : IResource
+{
+    public TestResourceName(ResourceId id, ResourceTags resourceTags = null, ResourceLabels resourceLabels = null)
+    {
+        Id = id;
+        Name = Id.Name;
+        Module = Id.Scope != null && Id.Scope != "." ? Id.Scope : null;
+        Tags = resourceTags ?? new ResourceTags();
+        Labels = resourceLabels ?? new ResourceLabels();
+    }
+
+    public ResourceKind Kind => throw new System.NotImplementedException();
+
+    public string ApiVersion => throw new System.NotImplementedException();
+
+    public string Name { get; }
+
+    public ResourceId? Ref => null;
+
+    public ResourceId[] Alias => Array.Empty<ResourceId>();
+
+    public ResourceTags Tags { get; }
+
+    public ResourceLabels Labels { get; }
+
+    public ResourceFlags Flags => ResourceFlags.None;
+
+    public ISourceExtent Extent => throw new System.NotImplementedException();
+
+    public IResourceHelpInfo Info => throw new System.NotImplementedException();
+
+    public ResourceId Id { get; }
+
+    public string SourcePath => throw new System.NotImplementedException();
+
+    public string Module { get; }
+
+    public SourceFile Source => throw new System.NotImplementedException();
+}

tests/PSRule.Tests/Usings.cs

@@ -1,6 +1,6 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT License.
 
+global using Moq;
 global using Xunit;
 global using Assert = Xunit.Assert;
-global using Moq;