Remove SourceFolderEn.

Author: pawchen

converter/generator/DocBookTransformer.cs

@@ -71,7 +71,7 @@ protected override async Task TransformAsync(string language)
         await base.TransformAsync(language);
 
         var srcDir = Path.Combine(SourceFolder, language, BookDirName);
-        var srcEnDir = Path.Combine(SourceFolderEn, BookDirName);
+        var srcEnDir = Path.Combine(SourceFolder, "en", BookDirName);
         string? fallbackBanner = null;
 
         var titles = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);

converter/generator/DocToStaticPagesResourceResolver.cs

@@ -11,8 +11,6 @@ internal class DocToStaticPagesResourceResolver : DocResourceResolver, IDocResou
     private string BookUrlName => Args.BookUrlName;
     private bool UseWebp => Args.UseWebp;
 
-    private readonly string SourceFolderEn;
-
     public string Language
     {
         get;
@@ -33,7 +31,6 @@ public string Language
 
     public DocToStaticPagesResourceResolver(DocToStaticPagesTransformerArgs args) : base(args)
     {
-        SourceFolderEn = Path.Combine(args.SourceFolder, "en");
         Args = args;
 
         var pages = new List<(string file, string book, string url, string title)>();
@@ -171,7 +168,7 @@ public bool TryResolveSrc(string src, string sourceDir, out string result, out (
         }
         else
         {
-            var srcImgEn = $"{SourceFolderEn}{srcImg.FullName.AsSpan(SourceFolderEn.Length)}";
+            var srcImgEn = $"{SourceFolder}/en/{srcImg.FullName.AsSpan(SourceFolder.Length + 4)}";
 
             if (!File.Exists(srcImgEn))
             {

converter/generator/DocTransformer.cs

@@ -12,7 +12,6 @@ namespace OriginLab.DocumentGeneration;
 internal abstract partial class DocTransformer : IDocTransformer
 {
     protected string SourceFolder { get; }
-    protected string SourceFolderEn { get; }
     protected string OutputFolder { get; }
     protected string BooksXmlFolder { get; }
 
@@ -32,7 +31,6 @@ protected DocTransformer(DocTransformerArgs args, IDocResourceResolver resourceR
     {
         var sourceFolder = args.SourceFolder;
         SourceFolder = sourceFolder;
-        SourceFolderEn = Path.Combine(sourceFolder, "en");
 
         var booksXmlFolder = args.BooksXmlFolder;
         BooksXmlFolder = booksXmlFolder;