From dca42e27fe9c7d28c72bb6cb8e5cc4ec481572e8 Mon Sep 17 00:00:00 2001 From: Anhgelus Morhtuuzh Date: Sun, 26 Apr 2026 21:38:06 +0200 Subject: feat(): support image --- src/eval/Element.zig | 1 + src/eval/Image.zig | 68 +++++++++++++++++++++++++++++++++++++++++++++++ src/eval/html/Element.zig | 21 ++------------- 3 files changed, 71 insertions(+), 19 deletions(-) create mode 100644 src/eval/Image.zig (limited to 'src/eval') diff --git a/src/eval/Element.zig b/src/eval/Element.zig index 5d6fce5..a8b424d 100644 --- a/src/eval/Element.zig +++ b/src/eval/Element.zig @@ -4,6 +4,7 @@ pub const HTML = @import("html/Element.zig"); pub const paragraph = @import("paragraph.zig"); pub const Title = @import("Title.zig"); pub const list = @import("list.zig"); +pub const Image = @import("Image.zig"); const Element = @This(); diff --git a/src/eval/Image.zig b/src/eval/Image.zig new file mode 100644 index 0000000..771c8ee --- /dev/null +++ b/src/eval/Image.zig @@ -0,0 +1,68 @@ +const std = @import("std"); +const Allocator = std.mem.Allocator; +const HTML = @import("html/Element.zig"); +const Element = @import("Element.zig"); + +const Self = @This(); + +src: []const u8, +alt: ?[]const u8 = null, +source: ?Element = null, + +pub fn init(alloc: Allocator, src: []const u8) !*Self { + const v = try alloc.create(Self); + v.* = .{ + .src = src, + }; + 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 { + const self: *Self = @ptrCast(@alignCast(context)); + if (self.source) |it| it.deinit(alloc); + alloc.destroy(self); +} + +fn html(context: *anyopaque, alloc: Allocator) HTML.Error!HTML { + const self: *Self = @ptrCast(@alignCast(context)); + + var img = try HTML.init(alloc, .void, "img"); + errdefer img.deinit(); + try img.setAttribute("src", self.src); + if (self.alt) |it| try img.setAttribute("alt", it); + var el = try HTML.init(alloc, .content, "figure"); + errdefer el.deinit(); + try el.appendContent(img); + + const source = self.source orelse return el; + var caption = try HTML.init(alloc, .content, "figcaption"); + errdefer caption.deinit(); + try caption.content.append(alloc, try source.html(alloc)); + try el.appendContent(caption); + return el; +} + +test "html" { + const alloc = std.testing.allocator; + const expect = std.testing.expect; + const eql = std.mem.eql; + + var img = try init(alloc, "foo"); + defer img.deinit(alloc); + const h = try img.element().renderHTML(alloc); + defer alloc.free(h); + try expect(eql(u8, h, "
")); + + img.alt = "bar"; + const h2 = try img.element().renderHTML(alloc); + defer alloc.free(h2); + try expect(eql(u8, h2, "
\"bar\"
")); +} diff --git a/src/eval/html/Element.zig b/src/eval/html/Element.zig index 87fd876..666e6f0 100644 --- a/src/eval/html/Element.zig +++ b/src/eval/html/Element.zig @@ -178,19 +178,6 @@ pub fn appendContent(self: *Self, content: Self) Error!void { return self.content.append(alloc, content); } -pub fn initImg(alloc: Allocator, src: []const u8, alt: []const u8) Error!Self { - var el = try init(alloc, .void, "img"); - try el.setAttribute("src", src); - try el.setAttribute("alt", alt); - return el; -} - -pub fn initContent(alloc: Allocator, tag: []const u8, content: []Self) Error!Self { - var el = try init(alloc, .content, tag); - for (content) |it| try el.appendContent(it); - return el; -} - fn doTest(alloc: Allocator, el: *Self, exp: []const u8) !void { const got = try el.render(alloc); defer alloc.free(got); @@ -214,10 +201,6 @@ test "void element" { try img.setAttribute("alt", "bar"); try doTest(alloc, &img, "\"bar\""); - - var img2 = try initImg(alloc, "foo", "bar"); - defer img2.deinit(); - try doTest(alloc, &img2, "\"bar\""); } test "content element" { @@ -235,7 +218,7 @@ test "content element" { defer div.deinit(); try div.appendClass("foo-bar"); try div.appendContent(p); - try div.appendContent(try initImg(alloc, "example.org", "example")); + try div.appendContent(try init(alloc, .void, "br")); - try doTest(alloc, &div, "

hello world

\"example\"
"); + try doTest(alloc, &div, "

hello world


"); } -- cgit v1.2.3