From 970d51e4b099311e4e098434c73da9acc82ddee0 Mon Sep 17 00:00:00 2001
From: Pierre Tachoire <pierre@lightpanda.io>
Date: Wed, 3 Jan 2024 16:32:59 +0100
Subject: [PATCH] dom: DocumentHTML title

---
 src/html/document.zig | 17 +++++++++++++++++
 src/netsurf.zig       | 13 +++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/src/html/document.zig b/src/html/document.zig
index 55016ccc..16158969 100644
--- a/src/html/document.zig
+++ b/src/html/document.zig
@@ -47,6 +47,15 @@ pub const HTMLDocument = struct {
     pub fn set_cookie(_: *parser.DocumentHTML, _: []const u8) ![]const u8 {
         return parser.DOMError.NotSupported;
     }
+
+    pub fn get_title(self: *parser.DocumentHTML) ![]const u8 {
+        return try parser.documentHTMLGetTitle(self);
+    }
+
+    pub fn set_title(self: *parser.DocumentHTML, v: []const u8) ![]const u8 {
+        try parser.documentHTMLSetTitle(self, v);
+        return v;
+    }
 };
 
 // Tests
@@ -67,6 +76,14 @@ pub fn testExecFn(
     var getters = [_]Case{
         .{ .src = "document.domain", .ex = "" },
         .{ .src = "document.referrer", .ex = "" },
+        .{ .src = "document.title", .ex = "" },
     };
     try checkCases(js_env, &getters);
+
+    var titles = [_]Case{
+        .{ .src = "document.title = 'foo'", .ex = "foo" },
+        .{ .src = "document.title", .ex = "foo" },
+        .{ .src = "document.title = ''", .ex = "" },
+    };
+    try checkCases(js_env, &titles);
 }
diff --git a/src/netsurf.zig b/src/netsurf.zig
index ed58cda1..84e0991c 100644
--- a/src/netsurf.zig
+++ b/src/netsurf.zig
@@ -1466,3 +1466,16 @@ pub fn documentHTMLGetReferrer(doc: *DocumentHTML) ![]const u8 {
     if (s == null) return "";
     return strToData(s.?);
 }
+
+pub fn documentHTMLGetTitle(doc: *DocumentHTML) ![]const u8 {
+    var s: ?*String = undefined;
+    const err = documentHTMLVtable(doc).get_title.?(doc, &s);
+    try DOMErr(err);
+    if (s == null) return "";
+    return strToData(s.?);
+}
+
+pub fn documentHTMLSetTitle(doc: *DocumentHTML, v: []const u8) !void {
+    const err = documentHTMLVtable(doc).set_title.?(doc, try strFromData(v));
+    try DOMErr(err);
+}