Files
duplicati/ReleaseBuilder/WixHeatBuilder.cs
T

105 lines
4.9 KiB
C#

using System.Xml;
namespace ReleaseBuilder;
/// <summary>
/// Implemenation of the &quot;heat&quot; command line tool from Wix
/// </summary>
public static class WixHeatBuilder
{
/// <summary>
/// Creates a Wix filelist from a directory
/// </summary>
/// <param name="sourceFolder">The source folder to create the filelist from</param>
/// <param name="directoryRefName">The name of the directory reference</param>
/// <param name="componentGroupId">The name of the component group</param>
/// <param name="fileIdGenerator">A function to generate file IDs.</param>
/// <returns>The wix file xml contents</returns>
public static string CreateWixFilelist(string sourceFolder, string folderPrefix = "$(var.HarvestPath)", string directoryRefName = "INSTALLLOCATION", string componentGroupId = "DUPLICATIBIN", Func<string, string>? fileIdGenerator = null)
{
var itemIds = new Dictionary<string, string>();
fileIdGenerator ??= (x) => Path.GetRelativePath(sourceFolder, x).Replace("\\", "_").Replace("/", "_").Replace(":", "_").Replace(" ", "_");
Func<string, string> pathTransformer = (x) => $"{folderPrefix}{Path.GetRelativePath(sourceFolder, x)}";
var doc = new XmlDocument();
doc.LoadXml("<Wix xmlns=\"http://schemas.microsoft.com/wix/2006/wi\"></Wix>");
var root = doc.DocumentElement!;
var fragment = doc.CreateElement("Fragment");
root.AppendChild(fragment);
var directoryRef = doc.CreateElement("DirectoryRef");
directoryRef.SetAttribute("Id", directoryRefName);
fragment.AppendChild(directoryRef);
foreach (var f in Directory.EnumerateFileSystemEntries(sourceFolder))
if (File.Exists(f))
AddFile(doc, directoryRef, f, itemIds, fileIdGenerator, pathTransformer);
else if (Directory.Exists(f))
AddDirectory(doc, directoryRef, f, itemIds, fileIdGenerator, pathTransformer);
var fragment2 = doc.CreateElement("Fragment");
root.AppendChild(fragment2);
var componentGroup = doc.CreateElement("ComponentGroup");
componentGroup.SetAttribute("Id", componentGroupId);
fragment2.AppendChild(componentGroup);
foreach (var file in itemIds.Keys)
{
var componentRef = doc.CreateElement("ComponentRef");
componentRef.SetAttribute("Id", itemIds[file]);
componentGroup.AppendChild(componentRef);
}
return doc.OuterXml;
}
/// <summary>
/// Adds a file to the XML document.
/// </summary>
/// <param name="doc">The XML document.</param>
/// <param name="directoryRef">The XML element representing the directory reference.</param>
/// <param name="file">The file to be added.</param>
/// <param name="itemIds">The dictionary containing the item IDs.</param>
/// <param name="fileIdGenerator">The function to generate file IDs.</param>
private static void AddFile(XmlDocument doc, XmlElement directoryRef, string file, Dictionary<string, string> itemIds, Func<string, string> fileIdGenerator, Func<string, string> pathTransformer)
{
var id = fileIdGenerator.Invoke(file);
itemIds.Add(file, id);
var component = doc.CreateElement("Component");
component.SetAttribute("Id", id);
component.SetAttribute("Guid", "*");
directoryRef.AppendChild(component);
var fileElement = doc.CreateElement("File");
fileElement.SetAttribute("Id", id);
fileElement.SetAttribute("KeyPath", "yes");
fileElement.SetAttribute("Source", pathTransformer(file));
component.AppendChild(fileElement);
}
/// <summary>
/// Recursively adds a directory and its contents to an XML document.
/// </summary>
/// <param name="doc">The XML document to add the directory to.</param>
/// <param name="directoryRef">The parent directory reference element.</param>
/// <param name="dir">The directory path to add.</param>
/// <param name="itemIds">A dictionary to store the mapping between directory paths and their generated IDs.</param>
/// <param name="fileIdGenerator">A function to generate file IDs.</param>
private static void AddDirectory(XmlDocument doc, XmlElement directoryRef, string dir, Dictionary<string, string> itemIds, Func<string, string> fileIdGenerator, Func<string, string> pathTransformer)
{
var id = fileIdGenerator.Invoke(dir);
var dirName = Path.GetFileName(dir);
var directory = doc.CreateElement("Directory");
directory.SetAttribute("Id", id);
directory.SetAttribute("Name", dirName);
directoryRef.AppendChild(directory);
foreach (var file in Directory.GetFiles(dir))
AddFile(doc, directory, file, itemIds, fileIdGenerator, pathTransformer);
foreach (var subDir in Directory.GetDirectories(dir))
AddDirectory(doc, directory, subDir, itemIds, fileIdGenerator, pathTransformer);
}
}