Add slice builtin

src/http/middleware.zig

@@ -465,7 +465,16 @@ pub fn Mount(comptime route: []const u8) type {
             var new_ctx = ctx;
             new_ctx.path = args.path;
 
+            if (@hasField(@TypeOf(new_ctx), "mounted_at")) {
+                new_ctx.mounted_at = try std.fmt.allocPrint(ctx.allocator, "/{s}/{s}", .{
+                    std.mem.trim(u8, ctx.mounted_at, "/"),
+                    std.mem.trim(u8, route, "/"),
+                });
+                defer ctx.allocator.free(new_ctx.mounted_at);
                 return next.handle(req, res, new_ctx, {});
+            } else {
+                return next.handle(req, res, addField(new_ctx, "mounted_at", std.mem.trim(u8, route, "/")), {});
+            }
         }
     };
 }

src/main/controllers.zig

@@ -223,6 +223,9 @@ pub const Response = struct {
     pub fn template(self: *Self, status_code: http.Status, srv: anytype, comptime templ: []const u8, data: anytype) !void {
         try self.headers.put("Content-Type", "text/html");
 
+        const user = if (srv.user_id) |uid| try srv.getUser(uid) else null;
+        defer util.deepFree(srv.allocator, user);
+
         var stream = try self.open(status_code);
         defer stream.close();
 
@@ -237,6 +240,7 @@ pub const Response = struct {
             data,
             .{
                 .community = srv.community,
+                .user = user,
                 .user_id = srv.user_id,
             },
         );

src/main/controllers/web.zig

@@ -17,6 +17,7 @@ pub const routes = .{
     controllers.apiEndpoint(cluster.overview),
     controllers.apiEndpoint(cluster.communities.create.page),
     controllers.apiEndpoint(cluster.communities.create.submit),
+    controllers.apiEndpoint(drive.details),
 };
 
 const static = struct {
@@ -229,6 +230,29 @@ const user_details = struct {
     }
 };
 
+const drive = struct {
+    const details = struct {
+        pub const path = "/drive/:path*";
+        pub const method = .GET;
+
+        pub const Args = struct {
+            path: []const u8,
+        };
+
+        pub const dir_tmpl = @embedFile("./web/drive/directory.tmpl.html");
+
+        pub fn handler(req: anytype, res: anytype, srv: anytype) !void {
+            const info = try srv.driveGet(req.args.path);
+            defer util.deepFree(srv.allocator, info);
+
+            switch (info) {
+                .dir => |dir| try res.template(.ok, srv, dir_tmpl, .{ .dir = dir }),
+                else => unreachable,
+            }
+        }
+    };
+};
+
 const cluster = struct {
     const overview = struct {
         pub const path = "/cluster/overview";

src/main/controllers/web/drive/directory.tmpl.html

@@ -0,0 +1,34 @@
+<div class="drive">
+  <table class="directory-listing">
+    {#for .dir.children.? |$child| =}
+      <tr>
+        {#switch $child case dir |$dir| =}
+          <td class="icon"></td>
+          <td class="icon"><i class="fa-solid fa-folder-closed"></i></td>
+          <td class="name"><a href="./{$dir.name.?}">{$dir.name.?}</a></td>
+        {#case file |$file|}
+          <td class="icon">
+            {= #if %user |$u|}
+              {#if $u.avatar_file_id == $file.meta.id =}
+                <i class="fa-solid fa-user"></i>
+              {= #elif $u.header_file_id == $file.meta.id =}
+                <i class="fa-solid fa-heading"></i>
+              {= /if =}
+            {= /if =}
+          </td>
+          <td class="icon">
+            {= #if $file.meta.sensitive =}
+              <i class="fa-solid fa-eye-slash"></i>
+            {= #else =}
+              <i class="fa-solid fa-file"></i>
+            {= /if =}
+          </td>
+          <td class="name"><a href="./{$file.name.?}">{$file.name.?}</a></td>
+          <td class="content-type">{#if $file.meta.content_type |$t|}{$t}{/if}</td>
+          <td class="size">{$file.meta.size}</td>
+          <td class="created-at">{$file.meta.created_at}</td>
+        {/switch =}
+      </tr>
+    {/for=}
+  </table>
+</div>

src/template/lib.zig

@@ -8,11 +8,13 @@ pub fn main() !void {
         @embedFile("./test.tmp.html"),
         .{
             .community = .{ .name = "<abcd>" },
-            .foo = [_][]const u8{ "5", "4", "3", "2", "1" },
-            .baz = [_][]const []const u8{
+            .foo = &[_][]const u8{ "5", "4", "3", "2", "1" },
+            .baz = &[_][]const []const u8{
                 &.{ "5", "4", "3", "2", "1" },
                 &.{ "5", "4", "3", "2", "1" },
             },
+            .start = 1,
+            .end = 3,
             .bar = .{ .x = "x" },
             .qux = false,
             .quxx = true,
@@ -236,7 +238,7 @@ fn deref(arg: anytype, comptime names: []const DerefDecl) DerefError!Deref(@Type
     }
 }
 
-const ExpressionError = DerefError;
+const ExpressionError = error{IndexOutOfBounds} || DerefError;
 
 fn EvaluateExpression(
     comptime expression: Expression,
@@ -251,6 +253,7 @@ fn EvaluateExpression(
         .equals => bool,
         .builtin => |call| switch (call.*) {
             .isTag => bool,
+            .slice => |sl| []const std.meta.Elem(EvaluateExpression(sl.iterable, Args, Captures, Context)),
         },
     };
 }
@@ -273,13 +276,22 @@ fn evaluateExpression(
                 return std.mem.eql(u8, lhs, rhs);
             } else if (comptime std.meta.trait.isContainer(T) and @hasDecl(T, "eql")) {
                 return T.eql(lhs, rhs);
-            } else return lhs == rhs;
+            } else return std.meta.eql(lhs, rhs);
         },
         .builtin => |call| switch (call.*) {
             .isTag => |hdr| {
                 const val = try evaluateExpression(hdr.expression, args, captures, context);
                 return std.meta.isTag(val, hdr.tag);
             },
+            .slice => |sl| {
+                const iterable = try evaluateExpression(sl.iterable, args, captures, context);
+                const start = try evaluateExpression(sl.start, args, captures, context);
+                const end = try evaluateExpression(sl.end, args, captures, context);
+
+                if (comptime std.meta.trait.is(.Array)(@TypeOf(iterable))) @compileError("Cannot slice an array, pass a slice or pointer to array instead");
+                if (start > iterable.len or end > iterable.len) return error.IndexOutOfBounds;
+                return iterable[start..end];
+            },
         },
     };
 }
@@ -304,7 +316,11 @@ fn AddCapture(comptime Root: type, comptime name: []const u8, comptime Val: type
 
 fn addCapture(root: anytype, comptime name: []const u8, val: anytype) AddCapture(@TypeOf(root), name, @TypeOf(val)) {
     if (comptime std.mem.eql(u8, name, "_")) return root;
-    var result = std.mem.zeroInit(AddCapture(@TypeOf(root), name, @TypeOf(val)), root);
+
+    var result: AddCapture(@TypeOf(root), name, @TypeOf(val)) = undefined;
+    inline for (std.meta.fields(@TypeOf(root))) |f| {
+        @field(result, f.name) = @field(root, f.name);
+    }
     @field(result, name) = val;
     return result;
 }
@@ -631,7 +647,7 @@ fn parseBuiltin(comptime tokens: ControlTokenIter) ParseResult(ControlTokenIter,
         const call = switch (builtin) {
             .isTag => blk: {
                 const expr = parseExpression(iter);
-                iter = expr.new_iter;
+                iter = skipWhitespace(expr.new_iter);
                 expectToken(iter.next(), .comma);
                 iter = skipWhitespace(iter);
                 const tag = iter.next();
@@ -643,6 +659,26 @@ fn parseBuiltin(comptime tokens: ControlTokenIter) ParseResult(ControlTokenIter,
                     },
                 };
             },
+            .slice => blk: {
+                const expr = parseExpression(iter);
+                iter = skipWhitespace(expr.new_iter);
+                expectToken(iter.next(), .comma);
+                iter = skipWhitespace(iter);
+                const start = parseExpression(iter);
+                iter = skipWhitespace(start.new_iter);
+                expectToken(iter.next(), .comma);
+                iter = skipWhitespace(iter);
+                const end = parseExpression(iter);
+                iter = skipWhitespace(end.new_iter);
+
+                break :blk .{
+                    .slice = .{
+                        .iterable = expr.item,
+                        .start = start.item,
+                        .end = end.item,
+                    },
+                };
+            },
         };
         iter = skipWhitespace(iter);
         expectToken(iter.next(), .close_paren);
@@ -1161,6 +1197,7 @@ const EndKeyword = enum {
 
 const Builtin = enum {
     isTag,
+    slice,
 };
 
 const BuiltinCall = union(Builtin) {
@@ -1168,6 +1205,11 @@ const BuiltinCall = union(Builtin) {
         tag: []const u8,
         expression: Expression,
     },
+    slice: struct {
+        iterable: Expression,
+        start: Expression,
+        end: Expression,
+    },
 };
 
 const ControlToken = union(enum) {

src/template/test.tmp.html

@@ -26,6 +26,8 @@
         neither
       {=/if}
 
+      sliced: {#for @slice(.foo, .start, .end) |$s|}{$s}, {/for}
+
       format: {#format "s" .x}
 
       {#switch .snap case foo =}