1 files changed, 234 insertions, 0 deletions

diff --git a/src/WixToolset.Core/Resolver.cs b/src/WixToolset.Core/Resolver.cs
new file mode 100644
index 00000000..b0d3a189
--- /dev/null
+++ b/src/WixToolset.Core/Resolver.cs
@@ -0,0 +1,234 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+
+namespace WixToolset.Core
+{
+    using System;
+    using System.Collections.Generic;
+    using System.Linq;
+    using WixToolset.Core.Bind;
+    using WixToolset.Data;
+    using WixToolset.Data.Tuples;
+    using WixToolset.Extensibility;
+    using WixToolset.Extensibility.Services;
+
+    /// <summary>
+    /// Resolver for the WiX toolset.
+    /// </summary>
+    public sealed class Resolver
+    {
+        public Resolver(IServiceProvider serviceProvider, IEnumerable<BindPath> bindPaths, Intermediate intermediateRepresentation, string intermediateFolder, IEnumerable<Localization> localizations)
+        {
+            this.ServiceProvider = serviceProvider;
+            this.BindPaths = bindPaths;
+            this.IntermediateRepresentation = intermediateRepresentation;
+            this.IntermediateFolder = intermediateFolder;
+            this.Localizations = localizations;
+
+            this.Messaging = this.ServiceProvider.GetService<IMessaging>();
+        }
+
+        private IServiceProvider ServiceProvider { get; }
+
+        private IEnumerable<BindPath> BindPaths { get; }
+
+        private Intermediate IntermediateRepresentation { get; }
+
+        private string IntermediateFolder { get; }
+
+        private IEnumerable<Localization> Localizations { get; }
+
+        private  IMessaging Messaging { get; }
+
+        public ResolveResult Execute()
+        {
+            var localizer = new Localizer(this.Messaging, this.Localizations);
+
+            var variableResolver = new WixVariableResolver(this.Messaging, localizer);
+
+            var context = this.ServiceProvider.GetService<IResolveContext>();
+            context.Messaging = this.Messaging;
+            context.BindPaths = this.BindPaths;
+            context.Extensions = this.ServiceProvider.GetService<IExtensionManager>().Create<IResolverExtension>();
+            context.IntermediateFolder = this.IntermediateFolder;
+            context.IntermediateRepresentation = this.IntermediateRepresentation;
+            context.WixVariableResolver = this.PopulateVariableResolver(variableResolver);
+
+            // Preresolve.
+            //
+            foreach (IResolverExtension extension in context.Extensions)
+            {
+                extension.PreResolve(context);
+            }
+
+            // Resolve.
+            //
+            this.LocalizeUI(context);
+
+            var resolveResult = this.Resolve(localizer.Codepage, context);
+
+            if (resolveResult != null)
+            {
+                // Postresolve.
+                //
+                foreach (IResolverExtension extension in context.Extensions)
+                {
+                    extension.PostResolve(resolveResult);
+                }
+            }
+
+            return resolveResult;
+        }
+
+        private ResolveResult Resolve(int codepage, IResolveContext context)
+        {
+            var buildingPatch = context.IntermediateRepresentation.Sections.Any(s => s.Type == SectionType.Patch);
+
+            var filesWithEmbeddedFiles = new ExtractEmbeddedFiles();
+
+            IEnumerable<DelayedField> delayedFields;
+            {
+                var command = new ResolveFieldsCommand();
+                command.Messaging = context.Messaging;
+                command.BuildingPatch = buildingPatch;
+                command.BindVariableResolver = context.WixVariableResolver;
+                command.BindPaths = context.BindPaths;
+                command.Extensions = context.Extensions;
+                command.FilesWithEmbeddedFiles = filesWithEmbeddedFiles;
+                command.IntermediateFolder = context.IntermediateFolder;
+                command.Intermediate = context.IntermediateRepresentation;
+                command.SupportDelayedResolution = true;
+                command.Execute();
+
+                delayedFields = command.DelayedFields;
+            }
+
+#if REVISIT_FOR_PATCHING
+            if (context.IntermediateRepresentation.SubStorages != null)
+            {
+                foreach (SubStorage transform in context.IntermediateRepresentation.SubStorages)
+                {
+                    var command = new ResolveFieldsCommand();
+                    command.BuildingPatch = buildingPatch;
+                    command.BindVariableResolver = context.WixVariableResolver;
+                    command.BindPaths = context.BindPaths;
+                    command.Extensions = context.Extensions;
+                    command.FilesWithEmbeddedFiles = filesWithEmbeddedFiles;
+                    command.IntermediateFolder = context.IntermediateFolder;
+                    command.Intermediate = context.IntermediateRepresentation;
+                    command.SupportDelayedResolution = false;
+                    command.Execute();
+                }
+            }
+#endif
+
+            var expectedEmbeddedFiles = filesWithEmbeddedFiles.GetExpectedEmbeddedFiles();
+
+            return new ResolveResult
+            {
+                Codepage = codepage,
+                ExpectedEmbeddedFiles = expectedEmbeddedFiles,
+                DelayedFields = delayedFields,
+                IntermediateRepresentation = context.IntermediateRepresentation
+            };
+        }
+
+        /// <summary>
+        /// Localize dialogs and controls.
+        /// </summary>
+        private void LocalizeUI(IResolveContext context)
+        {
+            foreach (var section in context.IntermediateRepresentation.Sections)
+            {
+                foreach (var row in section.Tuples.OfType<DialogTuple>())
+                {
+                    string dialog = row.Dialog;
+
+                    if (context.WixVariableResolver.TryGetLocalizedControl(dialog, null, out LocalizedControl localizedControl))
+                    {
+                        if (CompilerConstants.IntegerNotSet != localizedControl.X)
+                        {
+                            row.HCentering = localizedControl.X;
+                        }
+
+                        if (CompilerConstants.IntegerNotSet != localizedControl.Y)
+                        {
+                            row.VCentering = localizedControl.Y;
+                        }
+
+                        if (CompilerConstants.IntegerNotSet != localizedControl.Width)
+                        {
+                            row.Width = localizedControl.Width;
+                        }
+
+                        if (CompilerConstants.IntegerNotSet != localizedControl.Height)
+                        {
+                            row.Height = localizedControl.Height;
+                        }
+
+                        row.Attributes = row.Attributes | localizedControl.Attributes;
+
+                        if (!String.IsNullOrEmpty(localizedControl.Text))
+                        {
+                            row.Title = localizedControl.Text;
+                        }
+                    }
+                }
+
+                foreach (var row in section.Tuples.OfType<ControlTuple>())
+                {
+                    string dialog = row.Dialog_;
+                    string control = row.Control;
+
+                    if (context.WixVariableResolver.TryGetLocalizedControl(dialog, control, out LocalizedControl localizedControl))
+                    {
+                        if (CompilerConstants.IntegerNotSet != localizedControl.X)
+                        {
+                            row.X = localizedControl.X;
+                        }
+
+                        if (CompilerConstants.IntegerNotSet != localizedControl.Y)
+                        {
+                            row.Y = localizedControl.Y;
+                        }
+
+                        if (CompilerConstants.IntegerNotSet != localizedControl.Width)
+                        {
+                            row.Width = localizedControl.Width;
+                        }
+
+                        if (CompilerConstants.IntegerNotSet != localizedControl.Height)
+                        {
+                            row.Height = localizedControl.Height;
+                        }
+
+                        row.Attributes = row.Attributes | localizedControl.Attributes;
+
+                        if (!String.IsNullOrEmpty(localizedControl.Text))
+                        {
+                            row.Text = localizedControl.Text;
+                        }
+                    }
+                }
+            }
+        }
+
+        private WixVariableResolver PopulateVariableResolver(WixVariableResolver resolver)
+        {
+            // Gather all the wix variables.
+            var wixVariableTuples = this.IntermediateRepresentation.Sections.SelectMany(s => s.Tuples).OfType<WixVariableTuple>();
+            foreach (var tuple in wixVariableTuples)
+            {
+                try
+                {
+                    resolver.AddVariable(tuple.WixVariable, tuple.Value, tuple.Overridable);
+                }
+                catch (ArgumentException)
+                {
+                    this.Messaging.Write(ErrorMessages.WixVariableCollision(tuple.SourceLineNumbers, tuple.WixVariable));
+                }
+            }
+
+            return resolver;
+        }
+    }
+}