1 files changed, 50 insertions, 0 deletions
diff --git a/src/eval/list.zig b/src/eval/list.zig
new file mode 100644
index 0000000..6954fd1
--- /dev/null
+++ b/src/eval/list.zig
@@ -0,0 +1,50 @@
+const std = @import("std");
+const Allocator = std.mem.Allocator;
+const HTML = Element.HTML;
+const Element = @import("Element.zig");
+
+fn List(comptime tag: []const u8) type {
+    return struct {
+        content: std.ArrayList(Element),
+
+        const Self = @This();
+
+        pub fn init(alloc: Allocator) !*Self {
+            const v = try alloc.create(Self);
+            v.* = .{
+                .content = try .initCapacity(alloc, 2),
+            };
+            return v;
+        }
+
+        pub fn element(self: *Self) Element {
+            return .{ .ptr = self, .vtable = .{ .deinit = destroy, .html = html } };
+        }
+
+        pub fn deinit(self: *Self, alloc: Allocator) void {
+            destroy(self, alloc);
+        }
+
+        fn destroy(context: *anyopaque, alloc: Allocator) void {
+            var self: *Self = @ptrCast(@alignCast(context));
+            for (self.content.items) |it| it.deinit(alloc);
+            self.content.deinit(alloc);
+            alloc.destroy(self);
+        }
+
+        fn html(context: *anyopaque, alloc: Allocator) HTML.Error!HTML {
+            const self: *Self = @ptrCast(@alignCast(context));
+            var el = try HTML.init(alloc, .content, tag);
+            errdefer el.deinit();
+            for (self.content.items) |it| {
+                var li = try HTML.init(alloc, .content, "li");
+                try li.appendContent(try it.html(alloc));
+                try el.appendContent(li);
+            }
+            return el;
+        }
+    };
+}
+
+pub const Ordored = List("ol");
+pub const Unordored = List("ul");