dom: add DocumentType

lightpanda-io · Nov 20, 2023 · 410c887 · 410c887
1 parent 05d31eb
commit 410c887
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diff --git a/src/dom/document_type.zig b/src/dom/document_type.zig
@@ -0,0 +1,24 @@
+const std = @import("std");
+
+const parser = @import("../netsurf.zig");
+
+const Node = @import("node.zig").Node;
+
+// WEB IDL https://dom.spec.whatwg.org/#documenttype
+pub const DocumentType = struct {
+    pub const Self = parser.DocumentType;
+    pub const prototype = *Node;
+    pub const mem_guarantied = true;
+
+    pub fn get_name(self: *parser.DocumentType) []const u8 {
+        return parser.documentTypeGetName(self);
+    }
+
+    pub fn get_publicId(self: *parser.DocumentType) []const u8 {
+        return parser.documentTypeGetPublicId(self);
+    }
+
+    pub fn get_systemId(self: *parser.DocumentType) []const u8 {
+        return parser.documentTypeGetSystemId(self);
+    }
+};
diff --git a/src/dom/node.zig b/src/dom/node.zig
@@ -14,6 +14,7 @@ const EventTarget = @import("event_target.zig").EventTarget;
 const CData = @import("character_data.zig");
 const Element = @import("element.zig").Element;
 const Document = @import("document.zig").Document;
+const DocumentType = @import("document_type.zig").DocumentType;
 const HTMLCollection = @import("html_collection.zig").HTMLCollection;
 
 // HTML
@@ -26,6 +27,7 @@ pub const Interfaces = generate.Tuple(.{
     CData.Interfaces,
     Element,
     Document,
+    DocumentType,
     HTMLCollection,
 
     HTML.Interfaces,
@@ -46,6 +48,7 @@ pub const Node = struct {
             .comment => .{ .Comment = @as(*parser.Comment, @ptrCast(node)) },
             .text => .{ .Text = @as(*parser.Text, @ptrCast(node)) },
             .document => .{ .HTMLDocument = @as(*parser.DocumentHTML, @ptrCast(node)) },
+            .document_type => .{ .DocumentType = @as(*parser.DocumentType, @ptrCast(node)) },
             else => @panic("node type not handled"), // TODO
         };
     }

diff --git a/src/netsurf.zig b/src/netsurf.zig
@@ -720,6 +720,31 @@ pub const DocumentPosition = enum(u2) {
     implementation_specific = c.DOM_DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC,
 };
 
+// DocumentType
+pub const DocumentType = c.dom_document_type;
+
+fn documentTypeVtable(dt: *DocumentType) c.dom_document_type_vtable {
+    return getVtable(c.dom_document_type_vtable, DocumentType, dt);
+}
+
+pub inline fn documentTypeGetName(dt: *DocumentType) []const u8 {
+    var s: ?*String = undefined;
+    _ = documentTypeVtable(dt).dom_document_type_get_name.?(dt, &s);
+    return stringToData(s.?);
+}
+
+pub inline fn documentTypeGetPublicId(dt: *DocumentType) []const u8 {
+    var s: ?*String = undefined;
+    _ = documentTypeVtable(dt).dom_document_type_get_public_id.?(dt, &s);
+    return stringToData(s.?);
+}
+
+pub inline fn documentTypeGetSystemId(dt: *DocumentType) []const u8 {
+    var s: ?*String = undefined;
+    _ = documentTypeVtable(dt).dom_document_type_get_system_id.?(dt, &s);
+    return stringToData(s.?);
+}
+
 // Document
 pub const Document = c.dom_document;
 

diff --git a/tests/wpt/dom/nodes/DocumentType-literal.html b/tests/wpt/dom/nodes/DocumentType-literal.html
@@ -0,0 +1,17 @@
+<!DOCTYPE html PUBLIC "STAFF" "staffNS.dtd">
+<title>DocumentType literals</title>
+<link rel="help" href="https://dom.spec.whatwg.org/#dom-documenttype-name">
+<link rel="help" href="https://dom.spec.whatwg.org/#dom-documenttype-publicid">
+<link rel="help" href="https://dom.spec.whatwg.org/#dom-documenttype-systemid">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div id="log"></div>
+<script>
+test(function() {
+  var doctype = document.firstChild;
+  assert_true(doctype instanceof DocumentType)
+  assert_equals(doctype.name, "html")
+  assert_equals(doctype.publicId, 'STAFF')
+  assert_equals(doctype.systemId, 'staffNS.dtd')
+})
+</script>