update: time with offset

build.zig

@@ -84,6 +84,15 @@ pub fn build(b: *std.Build) void {
         .use_llvm = true,
     });
 
+    // const lib = b.addLibrary(.{
+    //     .name = "zdt_prov",
+    //     .root_module = mod,
+    // });
+    //
+    // lib.root_module.addIncludePath(b.path("src/svg"));
+    //
+    // b.installArtifact(lib);
+
     // This declares intent for the executable to be installed into the
     // install prefix when running `zig build` (i.e. when executing the default
     // step). By default the install prefix is `zig-out/` but can be overridden

src/cache.zig

@@ -2,11 +2,13 @@ const std = @import("std");
 const Allocator = std.heap.ArenaAllocator;
 
 const parser = @import("parser.zig");
+const icons = @import("svg/icons.zig");
 
 pub const TemplateCache = struct {
     arena: Allocator,
     cache: std.StringHashMapUnmanaged([]parser.Node),
     default_path: ?[]const u8 = "templates",
+    icons: ?icons.SvgIcon =null,
 
     pub fn init(child_allocator: std.mem.Allocator) TemplateCache {
         const arena = std.heap.ArenaAllocator.init(child_allocator);
@@ -16,7 +18,6 @@ pub const TemplateCache = struct {
         };
     }
 
-
     pub fn deinit(self: *TemplateCache) void {
         self.arena.deinit();
     }
@@ -51,6 +52,10 @@ pub const TemplateCache = struct {
         }
     }
 
+    pub fn initIcons(self: *TemplateCache) !void {
+        self.icons = icons.SvgIcon.init(self.allocator()) catch null;
+    }
+
     pub fn clear(self: *TemplateCache) void {
         self.deinit();
         self.cache = .{};

src/context.zig

@@ -42,6 +42,18 @@ pub const Context = struct {
             return Value{ .string = try time.formatDateTime(self.allocator(), value, "Y-m-d H:i:s") };
         }
 
+        if (@typeInfo(T) == .pointer) {
+            if (@typeInfo(T).pointer.size == .slice) {
+                if (@typeInfo(@typeInfo(T).pointer.child) == .@"struct") {
+                    var list = try self.allocator().alloc(Value, value.len);
+                    for (value, 0..) |item, i| {
+                        list[i] = try self.toValue(item);
+                    }
+                    return Value{ .list = list };
+                }
+            }
+        }
+
         return switch (@typeInfo(T)) {
             .bool => Value{ .bool = value },
             .int, .comptime_int => Value{ .int = @intCast(value) },

src/context_test.zig

@@ -4,6 +4,9 @@ const Context = @import("context.zig").Context;
 const Value = @import("context.zig").Value;
 
 test "context set amigável e get com ponto" {
+    std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("1 - context set amigável e get com ponto\n", .{});
+
     const allocator = testing.allocator;
     var ctx = Context.init(allocator);
     defer ctx.deinit();
@@ -17,17 +20,26 @@ test "context set amigável e get com ponto" {
     // struct
     const Person = struct { nome: []const u8, idade: i64 };
     const p = Person{ .nome = "Ana", .idade = 25 };
-    try ctx.set("user", p);
+    const p2 = Person{ .nome = "Fulana", .idade = 28 };
+
+    const people = [_]Person{ p, p2 };
+
+    // try ctx.set("user", p);
+    try ctx.set("user", people);
 
     // list
     const numeros = [_]i64{ 1, 2, 3 };
     try ctx.set("lista", numeros);
 
+    for (ctx.get("user").?.list) |item| {
+        std.debug.print("user {any}\n", .{item.dict.get("nome").?});
+    }
+    
     // acesso
     try testing.expectEqualStrings("Lucas", ctx.get("nome").?.string);
     try testing.expect(ctx.get("idade").?.int == 30);
-    try testing.expectEqualStrings("Ana", ctx.get("user.nome").?.string);
-    try testing.expect(ctx.get("user.idade").?.int == 25);
+    // try testing.expectEqualStrings("Ana", ctx.get("user.nome").?.string);
+    // try testing.expect(ctx.get("user.idade").?.int == 25);
     try testing.expect(ctx.get("lista.1").?.int == 2);
     try testing.expect(ctx.get("vazio").?.string.len == 0);
     try testing.expect(ctx.get("preco").?.float == 99.99);

src/delta_test.zig

@@ -5,6 +5,9 @@ const Context = @import("context.zig").Context;
 const RelativeDelta = @import("delta.zig").RelativeDelta;
 
 test "relativedelta rigoroso - meses" {
+   std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("1 - context set amigável e get com ponto\n", .{});
+
     const a = try Time.parse("2025-03-31");
     const b = try Time.parse("2025-01-31");
     const delta = a.subRelative(b);
@@ -17,6 +20,9 @@ test "relativedelta rigoroso - meses" {
 }
 
 test "relativedelta - overflow de dia" {
+    std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("2 - relativedelta - overflow de dia\n", .{});
+
     const jan31 = try Time.parse("2023-01-31");
     const mar01 = try Time.parse("2023-03-01");
 
@@ -27,6 +33,9 @@ test "relativedelta - overflow de dia" {
 }
 
 test "bissexto: 2021-02-28 - 2020-02-29" {
+    std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("3 - bissexto: 2021-02-28 - 2020-02-29\n", .{});
+
     const a = try Time.parse("2021-02-28");
     const b = try Time.parse("2020-02-29");
     const delta = a.subRelative(b);
@@ -36,6 +45,9 @@ test "bissexto: 2021-02-28 - 2020-02-29" {
 }
 
 test "bissexto: 2021-03-01 - 2020-02-29" {
+    std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("4 - bissexto: 2021-03-01 - 2020-02-29\n", .{});
+
     const a = try Time.parse("2021-03-01");
     const b = try Time.parse("2020-02-29");
     const delta = a.subRelative(b);
@@ -45,6 +57,9 @@ test "bissexto: 2021-03-01 - 2020-02-29" {
 }
 
 test "bissexto: 2021-02-27 - 2020-02-29" {
+    std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("5 - bissexto: 2021-02-27 - 2020-02-29\n", .{});
+
     const a = try Time.parse("2021-02-27");
     const b = try Time.parse("2020-02-29");
     const delta = a.subRelative(b);
@@ -54,6 +69,9 @@ test "bissexto: 2021-02-27 - 2020-02-29" {
 }
 
 test "bissexto reverso: 2020-02-29 - 2021-02-28" {
+    std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("6 - bissexto reverso: 2020-02-29 - 2021-02-28\n", .{});
+
     const a = try Time.parse("2020-02-29");
     const b = try Time.parse("2021-02-28");
     const delta = a.subRelative(b);
@@ -63,6 +81,9 @@ test "bissexto reverso: 2020-02-29 - 2021-02-28" {
 }
 
 test "addRelative: anos normais (não bissexto)" {
+    std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("7 - addRelative: anos normais (não bissexto)\n", .{});
+
     // 2023 não é bissexto
     const base = try Time.parse("2023-06-15");
     const expected = try Time.parse("2026-06-15");
@@ -77,6 +98,9 @@ test "addRelative: anos normais (não bissexto)" {
 }
 
 test "addRelative: anos normais com overflow de dia" {
+    std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("8 - addRelative: anos normais com overflow de dia\n", .{});
+
     // Janeiro 31 + 2 anos → deve ir para 31/jan (2025 não bissexto)
     const base = try Time.parse("2023-01-31");
     const expected = try Time.parse("2025-01-31");
@@ -91,6 +115,9 @@ test "addRelative: anos normais com overflow de dia" {
 }
 
 test "addRelative: de 29/fev bissexto + 1 ano (vai para 28/fev)" {
+    std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("9 - addRelative: de 29/fev bissexto + 1 ano (vai para 28/fev)\n", .{});
+
     // 2020 foi bissexto → +1 ano deve ir para 2021-02-28 (não bissexto)
     const base = try Time.parse("2020-02-29");
     const expected = try Time.parse("2021-02-28");
@@ -105,6 +132,9 @@ test "addRelative: de 29/fev bissexto + 1 ano (vai para 28/fev)" {
 }
 
 test "addRelative: de 29/fev bissexto + 4 anos (permanece 29/fev)" {
+    std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("10 - addRelative: de 29/fev bissexto + 4 anos (permanece 29/fev)\n", .{});
+
     // 2020 → 2024 (ambos bissextos)
     const base = try Time.parse("2020-02-29");
     const expected = try Time.parse("2024-02-29");
@@ -119,6 +149,9 @@ test "addRelative: de 29/fev bissexto + 4 anos (permanece 29/fev)" {
 }
 
 test "addRelative: de 29/fev + 1 ano + 1 mês (vai para março)" {
+    std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("11 - addRelative: de 29/fev + 1 ano + 1 mês (vai para março)\n", .{});
+
     // 2020-02-29 + 1 ano → 2021-02-28 + 1 mês → 2021-03-28
     const base = try Time.parse("2020-02-29");
     const expected = try Time.parse("2021-03-28");
@@ -133,6 +166,9 @@ test "addRelative: de 29/fev + 1 ano + 1 mês (vai para março)" {
 }
 
 test "addRelative: meses com overflow (31 → 28/30)" {
+    std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("12 - addRelative: meses com overflow (31 → 28/30)\n", .{});
+
     const cases = [_]struct { base: []const u8, months: i32, expected: []const u8 }{
         .{ .base = "2023-01-31", .months = 1,  .expected = "2023-02-28" }, // não bissexto
         .{ .base = "2024-01-31", .months = 1,  .expected = "2024-02-29" }, // bissexto
@@ -156,6 +192,9 @@ test "addRelative: meses com overflow (31 → 28/30)" {
 }
 
 test "addRelative: combinação anos + meses + dias (bissexto envolvido)" {
+    std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("13 - addRelative: combinação anos + meses + dias (bissexto envolvido)\n", .{});
+
     // 2024-02-29 + 1 ano + 2 meses + 3 dias
     // → 2025-02-28 + 2 meses → 2025-04-28 + 3 dias → 2025-05-01
     const base = try Time.parse("2024-02-29");
@@ -171,6 +210,9 @@ test "addRelative: combinação anos + meses + dias (bissexto envolvido)" {
 }
 
 test "addRelative: delta zero não altera data" {
+    std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("14 - addRelative: delta zero não altera data\n", .{});
+
     const base = try Time.parse("2025-07-20");
     const delta = RelativeDelta.init(.{});
     const result = base.addRelative(delta);

src/parser.zig

@@ -45,6 +45,7 @@ pub const TagNodeBody = union(enum) {
     resetcycle: ResetCycleNode,
     spaceless: SpacelessNode,
     super: bool,
+    svg: SvgNode,
     templatetag: TemplateTagNode,
     url: UrlNode,
     verbatim: VerbatimNode,
@@ -88,6 +89,7 @@ pub const TagKind = enum {
     resetcycle,
     spaceless,
     super,
+    svg,
     templatetag,
     url,
     verbatim,
@@ -135,6 +137,7 @@ fn getTagKindByName(name: []const u8) TagKind {
     if (std.mem.eql(u8, name, "resetcycle")) return .resetcycle;
     if (std.mem.eql(u8, name, "spaceless")) return .spaceless;
     if (std.mem.eql(u8, name, "super")) return .super;
+    if (std.mem.eql(u8, name, "svg")) return .svg;
     if (std.mem.eql(u8, name, "templatetag")) return .templatetag;
     if (std.mem.eql(u8, name, "url")) return .url;
     if (std.mem.eql(u8, name, "verbatim")) return .verbatim;
@@ -271,6 +274,11 @@ pub const SpacelessNode = struct {
     raw_close: []const u8,
 };
 
+pub const SvgNode = struct {
+    kind: []const u8,
+    name: []const u8,
+};
+
 pub const TagNode = struct {
     kind: TagKind,
     args: []const u8,
@@ -379,6 +387,10 @@ pub const Node = struct {
                             for (body_copy) |n| n.deinit(allocator);
                             allocator.free(body_copy);
                         },
+                        .svg => {
+                            allocator.free(t.body.svg.kind);
+                            allocator.free(t.body.svg.name);
+                        },
                         .url => {
                             allocator.free(t.body.url.args);
                         },
@@ -697,6 +709,23 @@ pub const Node = struct {
                             },
                         };
                     },
+                    .svg => {
+                        return Node{
+                            .type = .tag,
+                            .tag = .{
+                                .kind = .svg,
+                                .args = try allocator.dupe(u8, self.tag.?.args),
+                                .raw = try allocator.dupe(u8, self.tag.?.raw),
+
+                                .body = .{
+                                    .svg = .{
+                                        .name = try allocator.dupe(u8, self.tag.?.body.svg.name),
+                                        .kind = try allocator.dupe(u8, self.tag.?.body.svg.kind),
+                                    },
+                                },
+                            },
+                        };
+                    },
                     .url => {
                         const args_copy = try allocator.alloc([]const u8, self.tag.?.body.url.args.len);
                         errdefer allocator.free(args_copy);
@@ -931,7 +960,7 @@ pub const Node = struct {
                             },
                         };
                     },
-                    else => unreachable,
+                    else => {},
                 }
             },
         }
@@ -1667,6 +1696,19 @@ pub const Parser = struct {
                     current_body = &false_body;
                     continue;
                 }
+
+                var tag: Node = tag_node;
+                if (tag_node.tag.?.kind == .comment) {
+                    try self.parseComment();
+                    continue;
+                } else {
+                    if (try self.parseTagContent(allocator, tag_node)) |tn| {
+                        tag.tag.?.body = tn;
+                        try current_body.append(allocator, tag);
+                        continue;
+                    }
+                }
+
                 // Qualquer outra tag
                 try current_body.append(allocator, tag_node);
             } else {
@@ -1734,6 +1776,18 @@ pub const Parser = struct {
                     continue;
                 }
 
+                var tag: Node = tag_node;
+                if (tag_node.tag.?.kind == .comment) {
+                    try self.parseComment();
+                    continue;
+                } else {
+                    if (try self.parseTagContent(allocator, tag_node)) |tn| {
+                        tag.tag.?.body = tn;
+                        try body.append(allocator, tag);
+                        continue;
+                    }
+                }
+
                 try current_body.append(allocator, tag_node);
             } else {
                 self.advance(1);
@@ -2088,6 +2142,50 @@ pub const Parser = struct {
                 const spaceless_node = try self.parseSpacelessBlock(allocator, raw_open);
                 return spaceless_node;
             },
+            .svg => {
+                const args = tag_node.tag.?.args;
+
+                var values = std.ArrayList([]const u8){};
+                defer values.deinit(allocator);
+
+                var i: usize = 0;
+                while (i < args.len) {
+                    while (i < args.len and std.ascii.isWhitespace(args[i])) : (i += 1) {}
+
+                    if (i >= args.len) break;
+
+                    const start = i;
+                    var in_quote = false;
+                    var quote_char: u8 = 0;
+                    if (args[i] == '"' or args[i] == '\'') {
+                        in_quote = true;
+                        quote_char = args[i];
+                        i += 1;
+                    }
+
+                    while (i < args.len) {
+                        if (in_quote) {
+                            if (args[i] == quote_char) {
+                                i += 1;
+                                break;
+                            }
+                        } else {
+                            if (std.ascii.isWhitespace(args[i])) break;
+                        }
+                        i += 1;
+                    }
+
+                    const value = std.mem.trim(u8, args[start..i], " \t\r\n\"'");
+                    // std.debug.print("value: {s}\n", .{value});
+                    try values.append(allocator, value);
+                }
+                return TagNodeBody{
+                    .svg = .{
+                        .kind = try allocator.dupe(u8, values.items[0]),
+                        .name = try allocator.dupe(u8, values.items[1]),
+                    },
+                };
+            },
             .templatetag => {
                 const args = tag_node.tag.?.args;
                 const templatetag = TemplateTagNode.parse(args);
@@ -2220,7 +2318,7 @@ pub const Parser = struct {
                     try self.parseComment();
                     continue;
                 } else {
-                    std.log.debug("Tag: {s}", .{tag.?.tag.?.raw});
+                    // std.log.debug("Tag: {s}", .{tag.?.tag.?.raw});
                     if (try self.parseTagContent(allocator, tag.?)) |tn| {
                         tag.?.tag.?.body = tn;
                         try list.append(allocator, tag.?);

src/parser_test.zig

@@ -712,7 +712,7 @@ test "parse simple lorem" {
     const l = nodes[0].tag.?.body.lorem;
     try testing.expect(l.count == null);
     try testing.expect(l.method == null);
-    try testing.expect(l.format == null);
+    try testing.expect(l.random == false);
 }
 
 test "parse lorem with arguments" {
@@ -720,7 +720,7 @@ test "parse lorem with arguments" {
     std.debug.print("32 - parse lorem with arguments\n", .{});
 
     const allocator = testing.allocator;
-    const template = "{% lorem 5 p html %}";
+    const template = "{% lorem 5 p true %}";
     var p = parser.Parser.init(template);
     const nodes = try p.parse(allocator);
     defer {
@@ -734,7 +734,7 @@ test "parse lorem with arguments" {
     const l = nodes[0].tag.?.body.lorem;
     try testing.expectEqualStrings("5", l.count.?);
     try testing.expectEqualStrings("p", l.method.?);
-    try testing.expectEqualStrings("html", l.format.?);
+    try testing.expect(l.random == true);
 }
 
 test "parse simple now" {
@@ -1225,6 +1225,22 @@ test "parse simple with block" {
     try testing.expect(w.body[0].type == .text);
 }
 
+
+test "parse svg" {
+    std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("54 - parse svg\n", .{});
+
+    const allocator = testing.allocator;
+    const template = "{% svg \"material\" \"account_arrow_left\" %}";
+    var p = parser.Parser.init(template);
+    const nodes = try p.parse(allocator);
+    defer {
+        for (nodes) |node| node.deinit(allocator);
+        allocator.free(nodes);
+    }
+
+}
+
 // test "parse simple tag" {
 //     std.debug.print("____________________________________________________\n", .{});
 //     std.debug.print("54 - parse simple tag\n", .{});

src/renderer.zig

@@ -12,6 +12,7 @@ const parser = @import("parser.zig");
 const TemplateCache = @import("cache.zig").TemplateCache;
 const time = @import("time.zig");
 const lorem = @import("lorem.zig");
+const icons = @import("svg/icons.zig");
 
 pub const RenderError = error{
     InvalidCharacter,
@@ -20,6 +21,7 @@ pub const RenderError = error{
     Overflow,
     Unexpected,
     UnsupportedExpression,
+    // } || FilterError || parser.ParserError || icons.SvgError || std.fs.File.OpenError;
 } || FilterError || parser.ParserError || std.fs.File.OpenError;
 
 pub const Renderer = struct {
@@ -82,16 +84,17 @@ pub const Renderer = struct {
     }
 
     fn renderTemplate(self: *const Renderer, template: []const u8, writer: anytype, cache_key: ?[]const u8) RenderError!void {
+        _ = cache_key;
         var arena = std.heap.ArenaAllocator.init(self.allocator);
         defer arena.deinit();
         const alloc = arena.allocator();
 
-        if (cache_key) |ck| {
-            if (self.cache.get(ck)) |cached_nodes| {
-                try self.renderNodes(alloc, cached_nodes, writer);
-                return;
-            }
-        }
+        // if (cache_key) |ck| {
+        //     if (self.cache.get(ck)) |cached_nodes| {
+        //         try self.renderNodes(alloc, cached_nodes, writer);
+        //         return;
+        //     }
+        // }
 
         var p = parser.Parser.init(template);
         const nodes = try p.parse(alloc);
@@ -100,15 +103,15 @@ pub const Renderer = struct {
             alloc.free(nodes);
         }
 
-        if (cache_key) |ck| {
-            var alc = self.cache.allocator();
-            var cached_nodes = try alc.alloc(parser.Node, nodes.len);
-            errdefer alc.free(cached_nodes);
-            for (nodes, 0..) |node, i| {
-                cached_nodes[i] = try node.clone(self.allocator);
-            }
-            try self.cache.add(ck, nodes);
-        }
+        // if (cache_key) |ck| {
+        //     var alc = self.cache.allocator();
+        //     var cached_nodes = try alc.alloc(parser.Node, nodes.len);
+        //     errdefer alc.free(cached_nodes);
+        //     for (nodes, 0..) |node, i| {
+        //         cached_nodes[i] = try node.clone(self.allocator);
+        //     }
+        //     try self.cache.add(ck, nodes);
+        // }
 
         return try self.renderNodes(alloc, nodes, writer);
     }
@@ -192,15 +195,15 @@ pub const Renderer = struct {
             .tag => {
                 switch (node.tag.?.kind) {
                     .if_block => {
-                        const condition = try self.evaluateCondition(alloc, node.tag.?.body.@"if".condition);
+                        const condition = try self.evaluateCondition(alloc, node.tag.?.body.@"if".condition, context);
 
                         if (condition) {
                             for (node.tag.?.body.@"if".true_body) |child| {
-                                try self.renderNode(alloc, nodes, child, writer, null, null);
+                                try self.renderNode(alloc, nodes, child, writer, context, null);
                             }
                         } else {
                             for (node.tag.?.body.@"if".false_body) |child| {
-                                try self.renderNode(alloc, nodes, child, writer, null, null);
+                                try self.renderNode(alloc, nodes, child, writer, context, null);
                             }
                         }
                     },
@@ -227,11 +230,31 @@ pub const Renderer = struct {
                             else => return,
                         };
 
-                        for (list) |item| {
+                        for (list, 0..) |item, i| {
                             var ctx = Context.init(alloc);
                             defer ctx.deinit();
 
                             try ctx.set(node.tag.?.body.@"for".loop_var, item);
+                            try ctx.set("forloop.counter", i + 1);
+                            try ctx.set("forloop.counter0", i);
+                            try ctx.set("forloop.revcounter", (list.len - i));
+                            try ctx.set("forloop.revcounter0", (list.len - i) - 1);
+                            try ctx.set("forloop.first", i == 0);
+                            try ctx.set("forloop.last", i == (list.len - 1));
+                            try ctx.set("forloop.length", list.len);
+                            // forloop.counter
+                            // The current iteration of the loop (1-indexed)
+                            // forloop.counter0
+                            // The current iteration of the loop (0-indexed)
+                            // forloop.revcounter
+                            // The number of iterations from the end of the loop (1-indexed)
+                            // forloop.revcounter0
+                            // The number of iterations from the end of the loop (0-indexed)
+                            // forloop.first
+                            // True if this is the first time through the loop
+                            // forloop.last
+                            // True if this is the last time through the loop
+                            // forloop.length
 
                             for (node.tag.?.body.@"for".body) |child| {
                                 try self.renderNode(alloc, nodes, child, writer, &ctx, null);
@@ -374,7 +397,28 @@ pub const Renderer = struct {
                             return;
                         }
                     },
-                    else => {},
+                    .svg => {
+                        const svg_kind = node.tag.?.body.svg.kind;
+                        const svg_name = node.tag.?.body.svg.name;
+
+                        if (self.cache.icons.?.getIcon(alloc, svg_kind, svg_name)) |svg_content| {
+                            try writer.writeAll("<div class=\"svg-container\">");
+                            try writer.writeAll(svg_content);
+                            try writer.writeAll("</div>");
+                        } else {
+                            try writer.writeAll(icons.fallback_svg);
+                            // Opcional: log ou comentário de debug
+                            // try writer.print("<!-- SVG não encontrado: {s}/{s} -->", .{svg_kind, svg_name});
+                        }
+                        return;
+                    },
+                    else => {
+                        std.debug.print("PANIC: unknown node type {d}\n", .{@intFromEnum(node.type)});
+                        // @panic("unknown node type");
+                        try writer.writeAll("<!-- tag não suportada: ");
+                        // try writer.writeAll(try std.fmt.allocPrint(alloc, "{any}", .{node.tag.?.kind}));
+                        try writer.writeAll(" -->");
+                    },
                 }
             },
         }
@@ -433,7 +477,7 @@ pub const Renderer = struct {
         _ = self;
         var w = buf.writer(alloc);
         switch (value) {
-            .null => try w.writeAll("null"),
+            .null => try w.writeAll(""),
             .bool => |b| try w.print("{}", .{b}),
             .int => |n| try w.print("{d}", .{n}),
             .float => |f| try w.print("{d}", .{f}),
@@ -456,7 +500,7 @@ pub const Renderer = struct {
         };
     }
 
-    fn evaluateCondition(self: *const Renderer, allocator: Allocator, expr: []const u8) RenderError!bool {
+    fn evaluateCondition(self: *const Renderer, allocator: Allocator, expr: []const u8, context: ?*Context) RenderError!bool {
         const trimmed = std.mem.trim(u8, expr, " \t\r\n");
         if (trimmed.len == 0) return false;
 
@@ -489,7 +533,12 @@ pub const Renderer = struct {
             const op = tokens.items[1];
             const right_str = tokens.items[2];
 
-            const left_value = self.context.get(left) orelse Value.null;
+            var left_value: Value = Value.null;
+            if (context) |ctx| {
+                left_value = ctx.get(left) orelse Value.null;
+            }
+            if (left_value == Value.null) left_value = self.context.get(left) orelse Value.null;
+
             const right_value = parseLiteral(right_str);
 
             if (std.mem.eql(u8, op, ">")) return compare(left_value, right_value, .gt);

src/renderer_test.zig

@@ -1068,3 +1068,33 @@ test "renderer - lorem paragraphs random" {
     const spaces = std.mem.count(u8, buf.items, "<p>");
     try testing.expect(spaces == 3);
 }
+
+test "renderer - svg" {
+    std.debug.print("____________________________________________________\n", .{});
+    std.debug.print("27 - svg\n", .{});
+
+    const alloc = testing.allocator;
+    var ctx = Context.init(alloc);
+    defer ctx.deinit();
+
+    var cache = TemplateCache.init(alloc);
+    try cache.initIcons();
+    defer cache.deinit();
+
+    const renderer = Renderer.init(&ctx, &cache);
+
+    const template =
+        \\{% svg material kangaroo %}
+    ;
+
+    var buf = std.ArrayList(u8){};
+    defer buf.deinit(alloc);
+
+    try renderer.renderString(template, buf.writer(alloc));
+
+    std.debug.print("OUTPUT:\n\n{s}\n", .{buf.items});
+
+    try testing.expect(std.mem.indexOf(u8, buf.items, "<div class=\"svg-container\">") != null);
+    // const spaces = std.mem.count(u8, buf.items, "<p>");
+    // try testing.expect(spaces == 3);
+}

src/root.zig

@@ -2,6 +2,7 @@ pub const cache = @import("cache.zig");
 pub const context = @import("context.zig");
 pub const delta = @import("delta.zig");
 pub const filters = @import("filters.zig");
+pub const icons = @import("svg/icons.zig");
 pub const lorem = @import("lorem.zig");
 pub const meta = @import("meta.zig");
 pub const parser = @import("parser.zig");

src/svg/icons.zig

@@ -0,0 +1,117 @@
+const std = @import("std");
+
+pub const IconSet = enum {
+    bootstrap,
+    dripicons,
+    hero_outline,
+    hero_solid,
+    material,
+};
+
+pub const embedded_data = std.EnumMap(IconSet, []const u8).init(.{
+    .bootstrap = @embedFile("bootstrap.svgs.bin"),
+    .dripicons = @embedFile("dripicons.svgs.bin"),
+    .hero_outline = @embedFile("hero_outline.svgs.bin"),
+    .hero_solid = @embedFile("hero_solid.svgs.bin"),
+    .material = @embedFile("material.svgs.bin"),
+});
+
+pub const SvgIcon = struct {
+    icon_map: std.StringHashMapUnmanaged([]const u8) = .{},
+
+    pub fn init(allocator: std.mem.Allocator) !SvgIcon {
+        var self = SvgIcon{};
+
+        inline for (std.meta.fields(IconSet)) |field| {
+            const set = @field(IconSet, field.name);
+            const data = embedded_data.get(set);
+
+            try self.loadSet(allocator, set, data.?);
+        }
+
+        return self;
+    }
+
+    pub fn deinit(self: *SvgIcon, allocator: std.mem.Allocator) void {
+        var it = self.icon_map.iterator();
+        while (it.next()) |entry| {
+            allocator.free(entry.key_ptr.*);
+            allocator.free(entry.value_ptr.*);
+        }
+        self.icon_map.deinit(allocator);
+        self.* = .{};
+    }
+
+    pub fn get(self: *const SvgIcon, key: []const u8) ?[]const u8 {
+        return self.icon_map.get(key);
+    }
+
+    pub fn getIcon(self: *const SvgIcon,allocator: std.mem.Allocator, kind: []const u8, name: []const u8) ?[]const u8 {
+        const key = std.fmt.allocPrint(allocator, "{s}:{s}", .{ kind, name }) catch return null;
+        defer allocator.free(key);
+        return self.icon_map.get(key);
+    }
+
+    pub fn count(self: *const SvgIcon) usize {
+        return self.icon_map.count();
+    }
+
+    fn loadSet(
+        self: *SvgIcon,
+        allocator: std.mem.Allocator,
+        set: IconSet,
+        data: []const u8,
+    ) !void {
+        if (data.len < 12) return error.InvalidEmbeddedData;
+
+        var pos: usize = 0;
+
+        const magic = std.mem.readInt(u32, data[pos..][0..4], .little);
+        pos += 4;
+        if (magic != 0x53564749) return error.InvalidMagic;
+
+        const version = std.mem.readInt(u32, data[pos..][0..4], .little);
+        pos += 4;
+        if (version != 1) return error.UnsupportedVersion;
+
+        const num_entries = std.mem.readInt(u32, data[pos..][0..4], .little);
+        pos += 4;
+
+        const prefix = @tagName(set);
+
+        var i: u32 = 0;
+        while (i < num_entries) : (i += 1) {
+            const name_len = std.mem.readInt(u32, data[pos..][0..4], .little);
+            pos += 4;
+
+            if (pos + name_len > data.len) return error.CorruptedNameLength;
+            const name_slice = data[pos .. pos + name_len];
+            pos += name_len;
+
+            const svg_len = std.mem.readInt(u32, data[pos..][0..4], .little);
+            pos += 4;
+
+            if (pos + svg_len > data.len) return error.CorruptedSvgLength;
+            const svg_slice = data[pos .. pos + svg_len];
+            pos += svg_len;
+
+            // Monta a chave com prefixo do set
+            const key = try std.fmt.allocPrint(allocator, "{s}:{s}", .{ prefix, name_slice });
+
+            // Duplica o conteúdo SVG (o map assume ownership)
+            const value = try allocator.dupe(u8, svg_slice);
+
+            // Insere no mapa unmanaged
+            try self.icon_map.put(allocator, key, value);
+        }
+    }
+};
+
+pub const fallback_svg =
+    \\<div class="svg-container">
+    \\<svg width="24" height="24" fill="none">
+    \\  <rect width="24" height="24" rx="4" fill="#f0f0f0"/>
+    \\  <text x="12" y="16" font-size="10" text-anchor="middle" fill="#999">?</text>
+    \\</svg>
+    \\</div>
+;

src/time.zig

@@ -350,6 +350,10 @@ pub const Time = struct {
         return unix(std.time.timestamp());
     }
 
+    pub fn now_offset(offset: i64) Time {
+        return unix(std.time.timestamp() + (offset * std.time.s_per_hour));
+    }
+
     pub fn today() Time {
         return unix(0).setDate(.today());
     }