From 3b851f889edd28957aeb80c11125ad31f80d622c Mon Sep 17 00:00:00 2001
From: Pierre Tachoire <pierre@lightpanda.io>
Date: Wed, 3 Jan 2024 14:44:24 +0100
Subject: [PATCH] dom: add Element AttributeNode funcs

---
 src/dom/element.zig | 26 ++++++++++++++++++++++++++
 src/netsurf.zig     | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 59 insertions(+)

diff --git a/src/dom/element.zig b/src/dom/element.zig
index f8acfbe9..2c2378f1 100644
--- a/src/dom/element.zig
+++ b/src/dom/element.zig
@@ -131,6 +131,22 @@ pub const Element = struct {
         return try parser.elementGetAttributeNode(self, name);
     }
 
+    pub fn _getAttributeNodeNS(self: *parser.Element, ns: []const u8, name: []const u8) !?*parser.Attribute {
+        return try parser.elementGetAttributeNodeNS(self, ns, name);
+    }
+
+    pub fn _setAttributeNode(self: *parser.Element, attr: *parser.Attribute) !?*parser.Attribute {
+        return try parser.elementSetAttributeNode(self, attr);
+    }
+
+    pub fn _setAttributeNodeNS(self: *parser.Element, attr: *parser.Attribute) !?*parser.Attribute {
+        return try parser.elementSetAttributeNodeNS(self, attr);
+    }
+
+    pub fn _removeAttributeNode(self: *parser.Element, attr: *parser.Attribute) !*parser.Attribute {
+        return try parser.elementRemoveAttributeNode(self, attr);
+    }
+
     pub fn _getElementsByTagName(
         self: *parser.Element,
         alloc: std.mem.Allocator,
@@ -370,4 +386,14 @@ pub fn testExecFn(
         .{ .src = "e.querySelectorAll('*').length", .ex = "4" },
     };
     try checkCases(js_env, &querySelector);
+
+    var attrNode = [_]Case{
+        .{ .src = "let f = document.getElementById('content')", .ex = "undefined" },
+        .{ .src = "let ff = document.createAttribute('foo')", .ex = "undefined" },
+        .{ .src = "f.setAttributeNode(ff)", .ex = "null" },
+        .{ .src = "f.getAttributeNode('foo').name", .ex = "foo" },
+        .{ .src = "f.removeAttributeNode(ff).name", .ex = "foo" },
+        .{ .src = "f.getAttributeNode('bar')", .ex = "null" },
+    };
+    try checkCases(js_env, &attrNode);
 }
diff --git a/src/netsurf.zig b/src/netsurf.zig
index 9fd658b6..68dce512 100644
--- a/src/netsurf.zig
+++ b/src/netsurf.zig
@@ -924,6 +924,39 @@ pub fn elementGetAttributeNode(elem: *Element, name: []const u8) !?*Attribute {
     return a;
 }
 
+pub fn elementGetAttributeNodeNS(elem: *Element, ns: []const u8, name: []const u8) !?*Attribute {
+    var a: ?*Attribute = undefined;
+    const err = elementVtable(elem).dom_element_get_attribute_node_ns.?(
+        elem,
+        try strFromData(ns),
+        try strFromData(name),
+        &a,
+    );
+    try DOMErr(err);
+    return a;
+}
+
+pub fn elementSetAttributeNode(elem: *Element, attr: *Attribute) !?*Attribute {
+    var a: ?*Attribute = undefined;
+    const err = elementVtable(elem).dom_element_set_attribute_node.?(elem, attr, &a);
+    try DOMErr(err);
+    return a;
+}
+
+pub fn elementSetAttributeNodeNS(elem: *Element, attr: *Attribute) !?*Attribute {
+    var a: ?*Attribute = undefined;
+    const err = elementVtable(elem).dom_element_set_attribute_node_ns.?(elem, attr, &a);
+    try DOMErr(err);
+    return a;
+}
+
+pub fn elementRemoveAttributeNode(elem: *Element, attr: *Attribute) !*Attribute {
+    var a: ?*Attribute = undefined;
+    const err = elementVtable(elem).dom_element_remove_attribute_node.?(elem, attr, &a);
+    try DOMErr(err);
+    return a.?;
+}
+
 pub fn elementHasClass(elem: *Element, class: []const u8) !bool {
     var res: bool = undefined;
     const err = elementVtable(elem).dom_element_has_class.?(