userctx: document is not opational anymore

src/dom/comment.zig

@@ -34,10 +34,8 @@ pub const Comment = struct {
     pub const mem_guarantied = true;
 
     pub fn constructor(userctx: UserContext, data: ?[]const u8) !*parser.Comment {
-        if (userctx.document == null) return parser.DOMError.NotSupported;
-
         return parser.documentCreateComment(
-            parser.documentHTMLToDocument(userctx.document.?),
+            parser.documentHTMLToDocument(userctx.document),
             data orelse "",
         );
     }

src/dom/document.zig

@@ -49,19 +49,15 @@ pub const Document = struct {
     pub const mem_guarantied = true;
 
     pub fn constructor(userctx: UserContext) !*parser.DocumentHTML {
-        var title: ?[]const u8 = null;
-        if (userctx.document) |cur| {
-            title = try parser.documentHTMLGetTitle(cur);
-        }
-        const doc = try parser.documentCreateDocument(title);
+        const doc = try parser.documentCreateDocument(
+            try parser.documentHTMLGetTitle(userctx.document),
+        );
 
-        if (userctx.document) |cur| {
-            // we have to work w/ document instead of html document.
-            const ddoc = parser.documentHTMLToDocument(doc);
-            const ccur = parser.documentHTMLToDocument(cur);
-            try parser.documentSetDocumentURI(ddoc, try parser.documentGetDocumentURI(ccur));
-            try parser.documentSetInputEncoding(ddoc, try parser.documentGetInputEncoding(ccur));
-        }
+        // we have to work w/ document instead of html document.
+        const ddoc = parser.documentHTMLToDocument(doc);
+        const ccur = parser.documentHTMLToDocument(userctx.document);
+        try parser.documentSetDocumentURI(ddoc, try parser.documentGetDocumentURI(ccur));
+        try parser.documentSetInputEncoding(ddoc, try parser.documentGetInputEncoding(ccur));
 
         return doc;
     }

src/dom/document_fragment.zig

@@ -35,10 +35,8 @@ pub const DocumentFragment = struct {
     pub const mem_guarantied = true;
 
     pub fn constructor(userctx: UserContext) !*parser.DocumentFragment {
-        if (userctx.document == null) return parser.DOMError.NotSupported;
-
         return parser.documentCreateDocumentFragment(
-            parser.documentHTMLToDocument(userctx.document.?),
+            parser.documentHTMLToDocument(userctx.document),
         );
     }
 };

src/dom/text.zig

@@ -41,10 +41,8 @@ pub const Text = struct {
     pub const mem_guarantied = true;
 
     pub fn constructor(userctx: UserContext, data: ?[]const u8) !*parser.Text {
-        if (userctx.document == null) return parser.DOMError.NotSupported;
-
         return parser.documentCreateTextNode(
-            parser.documentHTMLToDocument(userctx.document.?),
+            parser.documentHTMLToDocument(userctx.document),
             data orelse "",
         );
     }

src/user_context.zig

@@ -2,5 +2,5 @@ const std = @import("std");
 const parser = @import("netsurf.zig");
 
 pub const UserContext = struct {
-    document: ?*parser.DocumentHTML,
+    document: *parser.DocumentHTML,
 };