1 files changed, 274 insertions, 0 deletions

diff --git a/src/WixToolset.Data/WindowsInstaller/Output.cs b/src/WixToolset.Data/WindowsInstaller/Output.cs
new file mode 100644
index 00000000..6164622d
--- /dev/null
+++ b/src/WixToolset.Data/WindowsInstaller/Output.cs
@@ -0,0 +1,274 @@
+// 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.Data.WindowsInstaller
+{
+    using System;
+    using System.Collections.Generic;
+    using System.Globalization;
+    using System.IO;
+    using System.Linq;
+    using System.Xml;
+
+    /// <summary>
+    /// Output is generated by the linker.
+    /// </summary>
+    public sealed class Output
+    {
+        public const string XmlNamespaceUri = "http://wixtoolset.org/schemas/v4/wixout";
+        private static readonly Version CurrentVersion = new Version("4.0.0.0");
+
+        /// <summary>
+        /// Creates a new empty output object.
+        /// </summary>
+        /// <param name="sourceLineNumbers">The source line information for the output.</param>
+        public Output(SourceLineNumber sourceLineNumbers)
+        {
+            this.SourceLineNumbers = sourceLineNumbers;
+            this.SubStorages = new List<SubStorage>();
+            this.Tables = new TableIndexedCollection();
+        }
+
+        /// <summary>
+        /// Gets the type of the output.
+        /// </summary>
+        /// <value>Type of the output.</value>
+        public OutputType Type { get; set; }
+
+        /// <summary>
+        /// Gets or sets the codepage for this output.
+        /// </summary>
+        /// <value>Codepage of the output.</value>
+        public int Codepage { get; set; }
+
+        /// <summary>
+        /// Gets the source line information for this output.
+        /// </summary>
+        /// <value>The source line information for this output.</value>
+        public SourceLineNumber SourceLineNumbers { get; private set; }
+
+        /// <summary>
+        /// Gets the substorages in this output.
+        /// </summary>
+        /// <value>The substorages in this output.</value>
+        public ICollection<SubStorage> SubStorages { get; private set; }
+
+        /// <summary>
+        /// Gets the tables contained in this output.
+        /// </summary>
+        /// <value>Collection of tables.</value>
+        public TableIndexedCollection Tables { get; private set; }
+
+        /// <summary>
+        /// Loads an output from a path on disk.
+        /// </summary>
+        /// <param name="path">Path to output file saved on disk.</param>
+        /// <param name="suppressVersionCheck">Suppresses wix.dll version mismatch check.</param>
+        /// <returns>Output object.</returns>
+        public static Output Load(string path, bool suppressVersionCheck)
+        {
+            using (FileStream stream = File.OpenRead(path))
+            using (FileStructure fs = FileStructure.Read(stream))
+            {
+                if (FileFormat.Wixout != fs.FileFormat)
+                {
+                    throw new WixUnexpectedFileFormatException(path, FileFormat.Wixout, fs.FileFormat);
+                }
+
+                Uri uri = new Uri(Path.GetFullPath(path));
+                using (XmlReader reader = XmlReader.Create(fs.GetDataStream(), null, uri.AbsoluteUri))
+                {
+                    try
+                    {
+                        reader.MoveToContent();
+                        return Output.Read(reader, suppressVersionCheck);
+                    }
+                    catch (XmlException xe)
+                    {
+                        throw new WixCorruptFileException(path, fs.FileFormat, xe);
+                    }
+                }
+            }
+        }
+
+        /// <summary>
+        /// Saves an output to a path on disk.
+        /// </summary>
+        /// <param name="path">Path to save output file to on disk.</param>
+        public void Save(string path)
+        {
+            Directory.CreateDirectory(Path.GetDirectoryName(Path.GetFullPath(path)));
+
+            using (FileStream stream = File.Create(path))
+            using (FileStructure fs = FileStructure.Create(stream, FileFormat.Wixout, null))
+            using (XmlWriter writer = XmlWriter.Create(fs.GetDataStream()))
+            {
+                writer.WriteStartDocument();
+                this.Write(writer);
+                writer.WriteEndDocument();
+            }
+        }
+
+        /// <summary>
+        /// Processes an XmlReader and builds up the output object.
+        /// </summary>
+        /// <param name="reader">Reader to get data from.</param>
+        /// <param name="suppressVersionCheck">Suppresses wix.dll version mismatch check.</param>
+        /// <returns>The Output represented by the Xml.</returns>
+        internal static Output Read(XmlReader reader, bool suppressVersionCheck)
+        {
+            if (!reader.LocalName.Equals("wixOutput"))
+            {
+                throw new XmlException();
+            }
+
+            bool empty = reader.IsEmptyElement;
+            Output output = new Output(SourceLineNumber.CreateFromUri(reader.BaseURI));
+            Version version = null;
+
+            while (reader.MoveToNextAttribute())
+            {
+                switch (reader.LocalName)
+                {
+                    case "codepage":
+                        output.Codepage = Convert.ToInt32(reader.Value, CultureInfo.InvariantCulture.NumberFormat);
+                        break;
+                    case "type":
+                        switch (reader.Value)
+                        {
+                            case "Bundle":
+                                output.Type = OutputType.Bundle;
+                                break;
+                            case "Module":
+                                output.Type = OutputType.Module;
+                                break;
+                            case "Patch":
+                                output.Type = OutputType.Patch;
+                                break;
+                            case "PatchCreation":
+                                output.Type = OutputType.PatchCreation;
+                                break;
+                            case "Product":
+                                output.Type = OutputType.Product;
+                                break;
+                            case "Transform":
+                                output.Type = OutputType.Transform;
+                                break;
+                            default:
+                                throw new XmlException();
+                        }
+                        break;
+                    case "version":
+                        version = new Version(reader.Value);
+                        break;
+                }
+            }
+
+            if (!suppressVersionCheck && null != version && !Output.CurrentVersion.Equals(version))
+            {
+                throw new WixException(WixDataErrors.VersionMismatch(SourceLineNumber.CreateFromUri(reader.BaseURI), "wixOutput", version.ToString(), Output.CurrentVersion.ToString()));
+            }
+
+            // loop through the rest of the xml building up the Output object
+            TableDefinitionCollection tableDefinitions = null;
+            List<Table> tables = new List<Table>();
+            if (!empty)
+            {
+                bool done = false;
+
+                // loop through all the fields in a row
+                while (!done && reader.Read())
+                {
+                    switch (reader.NodeType)
+                    {
+                        case XmlNodeType.Element:
+                            switch (reader.LocalName)
+                            {
+                                case "subStorage":
+                                    output.SubStorages.Add(SubStorage.Read(reader));
+                                    break;
+                                case "table":
+                                    if (null == tableDefinitions)
+                                    {
+                                        throw new XmlException();
+                                    }
+                                    tables.Add(Table.Read(reader, tableDefinitions));
+                                    break;
+                                case "tableDefinitions":
+                                    tableDefinitions = TableDefinitionCollection.Read(reader);
+                                    break;
+                                default:
+                                    throw new XmlException();
+                            }
+                            break;
+                        case XmlNodeType.EndElement:
+                            done = true;
+                            break;
+                    }
+                }
+
+                if (!done)
+                {
+                    throw new XmlException();
+                }
+            }
+
+            output.Tables = new TableIndexedCollection(tables);
+            return output;
+        }
+
+        /// <summary>
+        /// Ensure this output contains a particular table.
+        /// </summary>
+        /// <param name="tableDefinition">Definition of the table that should exist.</param>
+        /// <param name="section">Optional section to use for the table. If one is not provided, the entry section will be used.</param>
+        /// <returns>The table in this output.</returns>
+        public Table EnsureTable(TableDefinition tableDefinition)
+        {
+            if (!this.Tables.TryGetTable(tableDefinition.Name, out Table table))
+            {
+                table = new Table(tableDefinition);
+                this.Tables.Add(table);
+            }
+
+            return table;
+        }
+
+        /// <summary>
+        /// Persists an output in an XML format.
+        /// </summary>
+        /// <param name="writer">XmlWriter where the Output should persist itself as XML.</param>
+        internal void Write(XmlWriter writer)
+        {
+            writer.WriteStartElement("wixOutput", XmlNamespaceUri);
+
+            writer.WriteAttributeString("type", this.Type.ToString());
+
+            if (0 != this.Codepage)
+            {
+                writer.WriteAttributeString("codepage", this.Codepage.ToString(CultureInfo.InvariantCulture));
+            }
+
+            writer.WriteAttributeString("version", Output.CurrentVersion.ToString());
+
+            // Collect all the table definitions and write them.
+            TableDefinitionCollection tableDefinitions = new TableDefinitionCollection();
+            foreach (Table table in this.Tables)
+            {
+                tableDefinitions.Add(table.Definition);
+            }
+            tableDefinitions.Write(writer);
+
+            foreach (Table table in this.Tables.OrderBy(t => t.Name))
+            {
+                table.Write(writer);
+            }
+
+            foreach (SubStorage subStorage in this.SubStorages)
+            {
+                subStorage.Write(writer);
+            }
+
+            writer.WriteEndElement();
+        }
+    }
+}