Roadmap#

This section lists the most important modules involved in creating a browser engine. The list will grow over time.

Specific list items appear in their respective sections (DOM, HTML, etc.) in order of their implementation.

Legend#

: There is no need to return to this item. Done is done.
: Continually in development; can already be used.

If status is not given, the work hasn't started yet.

DOM#

1. DOM Interfaces:
2. DOM Events

HTML#

1. HTML Parser:
2. HTML Interfaces:
3. Custom Elements
4. Queuing a mutation record

CSS#

1. Syntax:
2. Grammar: for generating CSS tests by grammars.
3. Namespaces:
4. Selectors:
5. CSSOM:
6. Values:
7. Sizing:
8. Box:
9. Display:
10. Float:
11. Font:
12. Text:
13. Position:
14. Color:
15. Flexbox:
16. Background:
17. Content
18. Overflow:
19. Media Queries
20. Page
21. Variables

Fonts, OpenType#

1. Font/OpenType
   1.1. Parsing OpenType font files
   1.2. Calculating font metrics for glyphs in HTML layout: baseline, ascender, descender, line-gap, x-height, cap-height, width, height

Encodings#

1. Encoding:
2. Prescanning a byte stream to determine its encoding:

URL#

1. URL:
   1.1. Parsing:
   1.2. Punycode:

Unicode#

1. http://www.unicode.org/:
   1.1. Normalization forms:
   1.2. Unicode IDNA Compatibility Processing:

Layout#

1. Building a rendering tree - now we're at that stage.