parseData: remove iterator variant

Author: nikneym

src/browser/netsurf.zig

@@ -2500,31 +2500,22 @@ fn parseParams(enc: ?[:0]const u8) c.dom_hubbub_parser_params {
 }
 
 fn parseData(parser: *c.dom_hubbub_parser, reader: anytype) !void {
-    var err: c.hubbub_error = undefined;
-    const TI = @typeInfo(@TypeOf(reader));
-    if (TI == .pointer and @hasDecl(TI.pointer.child, "next")) {
-        while (try reader.next()) |data| {
-            err = c.dom_hubbub_parser_parse_chunk(parser, data.ptr, data.len);
-            try parserErr(err);
-        }
-    } else {
-        var buffer: [1024]u8 = undefined;
-        var ln = buffer.len;
-        while (ln > 0) {
-            ln = try reader.read(&buffer);
-            err = c.dom_hubbub_parser_parse_chunk(parser, &buffer, ln);
-            // TODO handle encoding change error return.
-            // When the HTML contains a META tag with a different encoding than the
-            // original one, a c.DOM_HUBBUB_HUBBUB_ERR_ENCODINGCHANGE error is
-            // returned.
-            // In this case, we must restart the parsing with the new detected
-            // encoding. The detected encoding is stored in the document and we can
-            // get it with documentGetInputEncoding().
-            try parserErr(err);
-        }
+    var buffer: [1024]u8 = undefined;
+    var ln = buffer.len;
+    while (ln > 0) {
+        ln = try reader.read(&buffer);
+        const err = c.dom_hubbub_parser_parse_chunk(parser, &buffer, ln);
+        // TODO handle encoding change error return.
+        // When the HTML contains a META tag with a different encoding than the
+        // original one, a c.DOM_HUBBUB_HUBBUB_ERR_ENCODINGCHANGE error is
+        // returned.
+        // In this case, we must restart the parsing with the new detected
+        // encoding. The detected encoding is stored in the document and we can
+        // get it with documentGetInputEncoding().
+        try parserErr(err);
     }
-    err = c.dom_hubbub_parser_completed(parser);
-    try parserErr(err);
+    const err = c.dom_hubbub_parser_completed(parser);
+    return parserErr(err);
 }
 
 // documentHTMLClose closes the document.