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const std = @import("std");
const Allocator = std.mem.Allocator;
const HTML = @import("html/Element.zig");
const Element = @import("Element.zig");
const Node = Element.Node;
const Self = @This();
src: []const u8,
alt: ?[]const u8 = null,
node: Node = .{
.ptr = undefined,
.vtable = .{ .element = fromNode },
},
pub fn init(alloc: Allocator, src: []const u8) !*Self {
const v = try alloc.create(Self);
v.* = .{ .src = src };
v.node.ptr = v;
return v;
}
pub fn element(self: *Self) Element {
return Element.Wrapper(Self, html).init(self);
}
fn fromNode(context: *anyopaque) Element {
const self: *Self = @ptrCast(@alignCast(context));
return self.element();
}
fn html(self: *Self, alloc: Allocator) HTML.Error!HTML {
var img = try HTML.Void.init(alloc, "img");
try img.setAttribute("src", self.src);
if (self.alt) |it| try img.setAttribute("alt", it);
return img.element();
}
test "html" {
var arena = std.heap.ArenaAllocator.init(std.testing.allocator);
defer arena.deinit();
var alloc = arena.allocator();
const expect = std.testing.expect;
const eql = std.mem.eql;
var img = try init(alloc, "foo");
const h = try img.element().renderHTML(alloc);
defer alloc.free(h);
try expect(eql(u8, h, "<img src=\"foo\">"));
img.alt = "bar";
const h2 = try img.element().renderHTML(alloc);
defer alloc.free(h2);
try expect(eql(u8, h2, "<img src=\"foo\" alt=\"bar\">"));
}
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