Ladybird+LibWeb: Rename FileDirectoryLoader to GeneratedPagesLoader

Userland/Libraries/LibWeb/Loader/GeneratedPagesLoader.cpp

@@ -0,0 +1,86 @@
+/*
+ * Copyright (c) 2023, Bastiaan van der Plaat <bastiaan.v.d.plaat@gmail.com>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <AK/NumberFormat.h>
+#include <AK/QuickSort.h>
+#include <AK/SourceGenerator.h>
+#include <LibCore/DateTime.h>
+#include <LibCore/Directory.h>
+#include <LibCore/System.h>
+#include <LibWeb/Loader/GeneratedPagesLoader.h>
+
+namespace Web {
+
+static String s_resource_directory_url = "file:///res"_string;
+
+String resource_directory_url()
+{
+    return s_resource_directory_url;
+}
+
+void set_resource_directory_url(String resource_directory_url)
+{
+    s_resource_directory_url = resource_directory_url;
+}
+
+static String s_directory_page_url = "file:///res/html/directory.html"_string;
+
+String directory_page_url()
+{
+    return s_directory_page_url;
+}
+
+void set_directory_page_url(String directory_page_url)
+{
+    s_directory_page_url = directory_page_url;
+}
+
+
+ErrorOr<String> load_file_directory_page(LoadRequest const& request)
+{
+    // Generate HTML contents entries table
+    auto lexical_path = LexicalPath(request.url().serialize_path());
+    Core::DirIterator dt(lexical_path.string(), Core::DirIterator::Flags::SkipParentAndBaseDir);
+    Vector<DeprecatedString> names;
+    while (dt.has_next())
+        names.append(dt.next_path());
+    quick_sort(names);
+
+    StringBuilder contents;
+    contents.append("<table>"sv);
+    for (auto& name : names) {
+        auto path = lexical_path.append(name);
+        auto maybe_st = Core::System::stat(path.string());
+        if (!maybe_st.is_error()) {
+            auto st = maybe_st.release_value();
+            auto is_directory = S_ISDIR(st.st_mode);
+
+            contents.append("<tr>"sv);
+            contents.appendff("<td><span class=\"{}\"></span></td>", is_directory ? "folder" : "file");
+            contents.appendff("<td><a href=\"file://{}\">{}</a></td><td>&nbsp;</td>"sv, path, name);
+            contents.appendff("<td>{:10}</td><td>&nbsp;</td>", is_directory ? "-" : human_readable_size(st.st_size));
+            contents.appendff("<td>{}</td>"sv, Core::DateTime::from_timestamp(st.st_mtime).to_deprecated_string());
+            contents.append("</tr>\n"sv);
+        }
+    }
+    contents.append("</table>"sv);
+
+    // Generate HTML directory page from directory template file
+    // FIXME: Use an actual templating engine (our own one when it's built, preferably with a way to check these usages at compile time)
+    auto template_path = AK::URL::create_with_url_or_path(directory_page_url().to_deprecated_string()).serialize_path();
+    auto template_file = TRY(Core::File::open(template_path, Core::File::OpenMode::Read));
+    auto template_contents = TRY(template_file->read_until_eof());
+    StringBuilder builder;
+    SourceGenerator generator { builder };
+    generator.set("resource_directory_url", resource_directory_url());
+    generator.set("path", escape_html_entities(lexical_path.string()));
+    generator.set("parent_path", escape_html_entities(lexical_path.parent().string()));
+    generator.set("contents", contents.to_deprecated_string());
+    generator.append(template_contents);
+    return TRY(String::from_utf8(generator.as_string_view()));
+}
+
+}