HAXY

▄▀▀▄ ▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀ ▄▄▀▀▀▀▀▀ ▄▄▄ ▄▀▀▀▀▀▀▀▀▀▀▀▀▀▄ ▄▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▄ ▄▀▀▀▀▀▀▀▀▀▀▀▀▀▀▄▀▀▀▄ ▄▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▄▄ ▄▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▄▄ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▄ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀ ▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀ ▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀ ▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀ ▄▀▀ ▄▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀ ▀▀▀ ▀▀▀▀▀▀▄ ▀▀▀▀▀▀▀▀ ▀▀▀ ▀▀▀▀▀▀▀ ▀▀▀▀▀▀ ▀▀▀ ▀▀▀▀▀▀ ▀▀▀▀▀▀ ▀▀▀ ▀▀▀▀▀▀▀ ▀▀▀▀▀▀▄ ▀▀▀ ▀▀▀▀▀▀ ▀▀▀▀▀▀▀ ▀▀▀ ▀▀▀▀▀ ▀▀▀▀▀ ▀▀▀ ▀▀▀▀ ▀▀▀▀ ▄▀▀ ▄▀▀▀▀ ▀▀▀▀ ▀▀▀ ▀▀▀▀▀ ▀▀▀▀▄ ▀▀▀ ▄▀▀▀▀ ▀▀▀▀▀ ▀▀▀ ▀▀▀▀▀▀ ▀▀▀▀▀ ▀▀▀ ▀▀▀▀▀▀▀ ▀▀▀▀▀ ▀▀ ▄▀▀▀▀▀▀▀ ▀▀▀▀▄ ▀▀▀▀▀▀▀ ▀▀▀▀▀

╭─────────────╮ │scroll to top│ ╰─────────────╯ ╭ ui.zig ───────────────────────────────────────────────────────╮ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ ╰───────────────────────────────────────────────────────────────╯

╭────╮ ╭ clone ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╮ │http│ ssh │ │ ╰────╯ ╰ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╯

463 }; 464 465 pub const ForkDiffRoute = struct { 466 fork: ForkRoute, 467 // one commit's diff against `base_oid`, or the whole patch when unset 468 oid: Array(ref_route_max_len) = .{}, 469 base_oid: Array(ref_route_max_len) = .{}, 470 start: usize = 0, 471 path: Array(repo_route_max_len) = .{}, 472 }; 473 474 // where the shared files and commits views are mounted. fork routes always 475 // read their implicit `patch` branch unless they name an object directly. 476 pub const RepoLocation = union(enum) { 477 repo: []const u8, 478 fork: struct { 479 identity: []const u8, 480 id: []const u8, 481 }, 482 483 pub fn dupe(self: RepoLocation, allocator: std.mem.Allocator) !RepoLocation { 484 return switch (self) { 485 .repo => |identity_value| .{ .repo = try allocator.dupe(u8, identity_value) }, 486 .fork => |f| .{ .fork = .{ 487 .identity = try allocator.dupe(u8, f.identity), 488 .id = try allocator.dupe(u8, f.id), 489 } }, 490 }; 491 } 492 493 pub fn filesRoute(self: RepoLocation, ref_or_oid: RefOrOid, value: []const u8, path: []const u8, line: usize) ?RoutablePage { 494 return switch (self) { 495 .repo => |repo_identity| repoFilesRoute(repo_identity, ref_or_oid, value, path, line), 496 .fork => |f| if (ref_or_oid == .branch and std.mem.eql(u8, value, "patch")) 497 forkFilesRoute(f.identity, f.id, "", path, line) 498 else if (ref_or_oid == .object) 499 forkFilesRoute(f.identity, f.id, value, path, line) 500 else 501 null, 502 }; 503 } 504 505 pub fn commitsRoute(self: RepoLocation, ref_or_oid: ?RefOrOid, value: []const u8, base_oid: []const u8) ?RoutablePage { 506 return switch (self) { 507 .repo => |repo_identity| repoCommitsRoute(repo_identity, ref_or_oid, value, base_oid), 508 .fork => |f| if (ref_or_oid == null or (ref_or_oid == .branch and std.mem.eql(u8, value, "patch"))) 509 forkCommitsRoute(f.identity, f.id, "") 510 else if (ref_or_oid == .object) 511 forkCommitsRoute(f.identity, f.id, value) 512 else 513 null, 514 }; 515 } 516 517 // commit `oid`'s diff against `base_oid` (all zeros for a root commit) 518 pub fn commitDiffRoute(self: RepoLocation, oid: []const u8, base_oid: []const u8) ?RoutablePage { 519 return switch (self) { 520 .repo => |repo_identity| repoDiffRoute(repo_identity, .object, oid, 0, "", base_oid), 521 .fork => |f| forkDiffRoute(f.identity, f.id, oid, base_oid, 0, ""), 522 }; 523 } 524 525 // fork commits routes carry no base, so only a repo can list a merge's commits 526 pub fn commitsMergeRoute(self: RepoLocation, oid: []const u8) ?RoutablePage { 527 return switch (self) { 528 .repo => |repo_identity| repoCommitsMergeRoute(repo_identity, oid), 529 .fork => null, 530 }; 531 } 532 533 pub fn commitMessageRoute(self: RepoLocation, ref_or_oid: RefOrOid, value: []const u8, base_oid: []const u8) ?RoutablePage { 534 return switch (self) { 535 .repo => |repo_identity| repoCommitMessageRoute(repo_identity, ref_or_oid, value, base_oid), 536 .fork => |f| if (ref_or_oid == .object) forkCommitMessageRoute(f.identity, f.id, value) else null, 537 }; 538 } 539 }; 540 541 fn initForkRoute(identity: []const u8, id: []const u8) ?ForkRoute { 542 if (id.len != evt.event_id_size * 2) return null; 543 return .{ 544 .name = Array(repo_identity_max_len).from(identity) orelse return null, 545 .id = Array(evt.event_id_size * 2).from(id) orelse return null, 546 }; 547 } 548 549 pub fn forkPatchRoute(identity: []const u8, id: []const u8) ?RoutablePage { 550 return .{ .fork_patch = initForkRoute(identity, id) orelse return null }; 551 } 552 553 // the whole patch's diff when `oid` is "", else that commit's against `base_oid` 554 pub fn forkDiffRoute(identity: []const u8, id: []const u8, oid: []const u8, base_oid: []const u8, start: usize, path: []const u8) ?RoutablePage { 555 if ((oid.len == 0) != (base_oid.len == 0)) return null; 556 return .{ .fork_diff = .{ 557 .fork = initForkRoute(identity, id) orelse return null, 558 .oid = Array(ref_route_max_len).from(oid) orelse return null, 559 .base_oid = Array(ref_route_max_len).from(base_oid) orelse return null, 560 .start = start, 561 .path = Array(repo_route_max_len).from(path) orelse return null, 562 } }; 563 } 564 565 pub fn forkFilesRoute(identity: []const u8, id: []const u8, oid: []const u8, path: []const u8, line: usize) ?RoutablePage { 566 return .{ .fork_files = .{ 567 .fork = initForkRoute(identity, id) orelse return null, 568 .oid = Array(ref_route_max_len).from(oid) orelse return null, 569 .path = Array(repo_route_max_len).from(path) orelse return null, 570 .line = line, 571 } }; 572 } 573 574 pub fn forkCommitsRoute(identity: []const u8, id: []const u8, oid: []const u8) ?RoutablePage { 575 return .{ .fork_commits = .{ 576 .fork = initForkRoute(identity, id) orelse return null, 577 .oid = Array(ref_route_max_len).from(oid) orelse return null, 578 } }; 579 } 580 581 pub fn forkCommitMessageRoute(identity: []const u8, id: []const u8, oid: []const u8) ?RoutablePage { 582 if (oid.len == 0) return null; 583 return .{ .fork_commits = .{ 584 .fork = initForkRoute(identity, id) orelse return null, 585 .oid = Array(ref_route_max_len).from(oid) orelse return null, 586 .message = true, 587 } }; 588 } 589 590 pub fn forkRepoNewRoute(identity: []const u8, id: []const u8) ?RoutablePage { 591 return .{ .fork_repo_new = initForkRoute(identity, id) orelse return null }; 592 } 593 594 pub fn forkUserNewRoute(identity: []const u8, id: []const u8) ?RoutablePage { 595 return .{ .fork_user_new = initForkRoute(identity, id) orelse return null }; 596 } 597 598 pub fn forkUserRoute(identity: []const u8, id: []const u8) ?RoutablePage { 599 return .{ .fork_user = initForkRoute(identity, id) orelse return null }; 600 } 601 602 // build a `.repo_files` route (a null ref_kind = the bare default-branch 603 // root). null if the result doesn't fit the inline name. 604 pub fn repoFilesRoute(identity: []const u8, ref_kind: ?RefOrOid, ref_value: []const u8, dir: []const u8, line: usize) ?RoutablePage { 605 if (ref_kind == null and (ref_value.len != 0 or dir.len != 0)) return null; 606 if (ref_kind != null and ref_value.len == 0 and dir.len != 0) return null; 607 return .{ .repo_files = .{ 608 .name = Array(repo_identity_max_len).from(identity) orelse return null, 609 .ref_kind = ref_kind, 610 .ref_value = Array(ref_route_max_len).from(ref_value) orelse return null, 611 .path = Array(repo_route_max_len).from(dir) orelse return null, 612 .line = line, 613 } }; 614 } 615 616 // carry a search term on a files route, url-encoding it into the route. 617 // null when it doesn't fit. 618 pub fn withFind(self: RoutablePage, file_name: []const u8) ?RoutablePage { 619 const find = encodeParam(find_route_max_len, file_name) orelse return null; 620 var route = self; 621 switch (route) { 622 .repo_files => |*f| f.find = find, 623 .fork_files => |*f| f.find = find, 624 else => return null, 625 } 626 return route; 627 } 628 629 // carry a search query on a searchable route, url-encoding it 630 // into the route. 631 pub fn withSearch(self: RoutablePage, query: []const u8) ?RoutablePage { 632 const search = encodeParam(search_route_max_len, query) orelse return null; 633 return withEncodedSearch(self, search.slice()); 634 } 635 636 // the label and search segments of a thread list url, either one optional 637 fn writeListFilters(writer: *std.Io.Writer, label: []const u8, search: []const u8) !void { 638 if (label.len != 0) try writer.print("/" ++ label_filter_seg ++ "{s}", .{label}); 639 if (search.len != 0) try writer.print("/" ++ search_seg ++ "{s}", .{search}); 640 } 641 642 // carry the already-encoded list filters a selected thread's url names 643 fn withEncodedFilters(self: ?RoutablePage, label: []const u8, search: []const u8) ?RoutablePage { 644 var route = withEncodedSearch(self, search) orelse return null; 645 switch (route) { 646 inline .repo_issues, .repo_patches, .repo_discussions => |*thread| thread.label = @TypeOf(thread.label).from(label) orelse return null, 647 else => return null, 648 } 649 return route; 650 } 651 652 // carry an already-encoded search param, as a url hands it over 653 fn withEncodedSearch(self: ?RoutablePage, value: []const u8) ?RoutablePage { 654 var route = self orelse return null; 655 const search = Array(search_route_max_len).from(value) orelse return null; 656 switch (route) { 657 .home_users => |*u| u.search = search, 658 .user_repos => |*u| u.search = search, 659 .repo_commits => |*c| c.search = search, 660 .repo_refs => |*r| r.search = search, 661 .repo_issues => |*i| i.search = search, 662 .repo_patches => |*p| p.search = search, 663 .repo_discussions => |*d| d.search = search, 664 else => return null, 665 } 666 return route; 667 } 668 669 // root a commits route's list at `oid` rather than the ref's own commit. 670 pub fn withFrom(self: RoutablePage, oid: []const u8) ?RoutablePage { 671 var route = self; 672 switch (route) { 673 .repo_commits => |*c| c.from = Array(ref_route_max_len).from(oid) orelse return null, 674 else => return null, 675 } 676 return route; 677 } 678 679 fn encodeParam(comptime max_len: usize, value: []const u8) ?Array(max_len) { 680 var encoded: Array(max_len) = .{}; 681 var writer: std.Io.Writer = .fixed(&encoded.bytes); 682 std.Uri.Component.percentEncode(&writer, value, isUnreserved) catch return null; 683 encoded.len = @intCast(writer.buffered().len); 684 return encoded; 685 } 686 687 pub fn repoPatchRevFilesRoute(identity: []const u8, id: []const u8, path: []const u8, line: usize) ?RoutablePage { 688 _ = evt.parseEventId(id) catch return null; 689 return .{ .repo_files = .{ 690 .name = Array(repo_identity_max_len).from(identity) orelse return null, 691 .patchrev_id = Array(evt.event_id_size * 2).from(id) orelse return null, 692 .path = Array(repo_route_max_len).from(path) orelse return null, 693 .line = line, 694 } }; 695 } 696 697 // build a `.repo_commits` route (a null ref_or_oid = the default branch). 698 // always carries the `commits` marker so the bare route doesn't collide 699 // with the files root. 700 pub fn repoCommitsRoute(identity: []const u8, ref_or_oid: ?RefOrOid, value: []const u8, base_oid: []const u8) ?RoutablePage { 701 if (ref_or_oid == null and value.len != 0) return null; 702 return .{ .repo_commits = .{ 703 .name = Array(repo_identity_max_len).from(identity) orelse return null, 704 .ref_or_oid = ref_or_oid, 705 .value = Array(ref_route_max_len).from(value) orelse return null, 706 .base_oid = Array(ref_route_max_len).from(base_oid) orelse return null, 707 } }; 708 } 709 710 pub fn repoCommitsMergeRoute(identity: []const u8, oid: []const u8) ?RoutablePage { 711 return .{ .repo_commits = .{ 712 .name = Array(repo_identity_max_len).from(identity) orelse return null, 713 .merge = Array(ref_route_max_len).from(oid) orelse return null, 714 } }; 715 } 716 717 pub fn repoDiffRoute(identity: []const u8, ref_or_oid: ?RefOrOid, value: []const u8, start: usize, path: []const u8, base_oid: []const u8) ?RoutablePage { 718 if (base_oid.len == 0 or (ref_or_oid == null and value.len != 0)) return null; 719 return .{ .repo_diff = .{ 720 .name = Array(repo_identity_max_len).from(identity) orelse return null, 721 .ref_or_oid = ref_or_oid, 722 .value = Array(ref_route_max_len).from(value) orelse return null, 723 .base_oid = Array(ref_route_max_len).from(base_oid) orelse return null, 724 .start = start, 725 .path = Array(repo_route_max_len).from(path) orelse return null, 726 } }; 727 } 728 729 pub fn repoPatchRevDiffRoute(identity: []const u8, id: []const u8, start: usize, path: []const u8) ?RoutablePage { 730 _ = evt.parseEventId(id) catch return null; 731 return .{ .repo_diff = .{ 732 .name = Array(repo_identity_max_len).from(identity) orelse return null, 733 .patchrev_id = Array(evt.event_id_size * 2).from(id) orelse return null, 734 .start = start, 735 .path = Array(repo_route_max_len).from(path) orelse return null, 736 } }; 737 } 738 739 // build a `.repo_commits` route showing the ref/oid's commit message in 740 // full, which is the only content that page renders. 741 pub fn repoCommitMessageRoute(identity: []const u8, ref_or_oid: RefOrOid, value: []const u8, base_oid: []const u8) ?RoutablePage { 742 if (value.len == 0) return null; 743 return .{ .repo_commits = .{ 744 .name = Array(repo_identity_max_len).from(identity) orelse return null, 745 .ref_or_oid = ref_or_oid, 746 .value = Array(ref_route_max_len).from(value) orelse return null, 747 .base_oid = Array(ref_route_max_len).from(base_oid) orelse return null, 748 .message = true, 749 } }; 750 } 751 752 // build a `.repo_refs` route windowing `kind`'s column from the 753 // url-encoded ref name `from` ("" = the first window). 754 pub fn repoRefsRoute(identity: []const u8, kind: RefKind, from: []const u8) ?RoutablePage { 755 return .{ .repo_refs = .{ 756 .name = Array(repo_route_max_len).from(identity) orelse return null, 757 .kind = kind, 758 .from = Array(ref_route_max_len).from(from) orelse return null, 759 } }; 760 } 761 762 // build the events list or a window rooted at one event. 763 pub fn repoEventsRoute(identity: []const u8, view: EventsView, kind: ?evt.EventKind, selected: []const u8, moment: ?u64) ?RoutablePage { 764 if ((kind == null) != (selected.len == 0)) return null; 765 return .{ .repo_events = .{ 766 .name = Array(repo_identity_max_len).from(identity) orelse return null, 767 .view = view, 768 .kind = kind, 769 .selected = Array(evt.event_id_size * 2).from(selected) orelse return null, 770 .moment = moment, 771 } }; 772 } 773 774 // build a `.repo_issues` route for "owner:name" (identity) showing 775 // `status`'s list, filtered to the url-encoded `label` ("" = unfiltered) and 776 // rooted at the issue with hex event id `selected` ("" = the first window). 777 pub fn repoIssuesRoute(identity: []const u8, status: evt.Issue.Status, label: []const u8, selected: []const u8) ?RoutablePage { 778 return .{ .repo_issues = .{ 779 .name = Array(repo_route_max_len).from(identity) orelse return null, 780 .label = Array(issue_label_route_max_len).from(label) orelse return null, 781 .selected = Array(evt.event_id_size * 2).from(selected) orelse return null, 782 .view = switch (status) { 783 .open => .open, 784 .closed => .closed, 785 }, 786 } }; 787 } 788 789 pub fn repoPatchesRoute(identity: []const u8, status: evt.Patch.StatusKind, label: []const u8, selected: []const u8) ?RoutablePage { 790 return .{ .repo_patches = .{ 791 .name = Array(repo_route_max_len).from(identity) orelse return null, 792 .label = Array(patch_label_route_max_len).from(label) orelse return null, 793 .selected = Array(evt.event_id_size * 2).from(selected) orelse return null, 794 .view = switch (status) { 795 .open => .open, 796 .closed => .closed, 797 .merged => .merged, 798 }, 799 } }; 800 } 801 802 pub fn repoPatchesDraftsRoute(identity: []const u8) ?RoutablePage { 803 return .{ .repo_patches = .{ 804 .name = Array(repo_route_max_len).from(identity) orelse return null, 805 .view = .drafts, 806 } }; 807 } 808 809 pub fn repoPatchPublishRoute(identity: []const u8, selected: []const u8) ?RoutablePage { 810 if (selected.len == 0) return null; 811 var route = repoPatchesRoute(identity, .open, "", selected) orelse return null; 812 switch (route) { 813 .repo_patches => |*patch| patch.view = .publish, 814 else => unreachable, 815 } 816 return route; 817 } 818 819 pub fn repoPatchMergeRoute(identity: []const u8, selected: []const u8) ?RoutablePage { 820 if (selected.len == 0) return null; 821 var route = repoPatchesRoute(identity, .open, "", selected) orelse return null; 822 switch (route) { 823 .repo_patches => |*patch| patch.view = .merge, 824 else => unreachable, 825 } 826 return route; 827 } 828 829 pub fn repoDiscussionsRoute(identity: []const u8, label: []const u8, selected: []const u8) ?RoutablePage { 830 return .{ .repo_discussions = .{ 831 .name = Array(repo_route_max_len).from(identity) orelse return null, 832 .label = Array(discussion_label_route_max_len).from(label) orelse return null, 833 .selected = Array(evt.event_id_size * 2).from(selected) orelse return null, 834 } }; 835 } 836 837 // build the default list route for a thread event kind. 838 pub fn repoThreadRoute(kind: evt.EventKind, identity: []const u8, label: []const u8, selected: []const u8) ?RoutablePage { 839 return switch (kind) { 840 .issue => repoIssuesRoute(identity, .open, label, selected), 841 .patch => repoPatchesRoute(identity, .open, label, selected), 842 .discuss => repoDiscussionsRoute(identity, label, selected), 843 else => null, 844 }; 845 } 846 847 // build a selected thread route at one of its comment windows. 848 pub fn repoThreadCommentsRoute(kind: evt.EventKind, identity: []const u8, selected: []const u8, start: usize) ?RoutablePage { 849 var route = repoThreadRoute(kind, identity, "", selected) orelse return null; 850 switch (route) { 851 .repo_issues => |*thread| thread.comments_start = start, 852 .repo_patches => |*thread| thread.comments_start = start, 853 .repo_discussions => |*thread| thread.comments_start = start, 854 else => unreachable, 855 } 856 return route; 857 } 858 859 // build a comment permalink route at one of its immediate-reply windows. 860 pub fn repoThreadCommentRoute(kind: evt.EventKind, identity: []const u8, thread_id: []const u8, comment_id: []const u8, start: usize) ?RoutablePage { 861 if (thread_id.len == 0 or comment_id.len == 0) return null; 862 var route = repoThreadCommentsRoute(kind, identity, thread_id, start) orelse return null; 863 const comment = Array(evt.event_id_size * 2).from(comment_id) orelse return null; 864 switch (route) { 865 .repo_issues => |*thread| thread.comment = comment, 866 .repo_patches => |*thread| thread.comment = comment, 867 .repo_discussions => |*thread| thread.comment = comment, 868 else => unreachable, 869 } 870 return route; 871 } 872 873 // build the form route for replying to a thread or one of its comments. 874 pub fn repoThreadCommentNewRoute(kind: evt.EventKind, identity: []const u8, thread_id: []const u8, parent_id: []const u8) ?RoutablePage { 875 if (thread_id.len == 0) return null; 876 var route = repoThreadCommentsRoute(kind, identity, thread_id, 0) orelse return null; 877 const parent_event_id = Array(evt.event_id_size * 2).from(parent_id) orelse return null; 878 switch (route) { 879 .repo_issues => |*thread| { 880 thread.comment = parent_event_id; 881 thread.view = .new_comment; 882 }, 883 .repo_patches => |*thread| { 884 thread.comment = parent_event_id; 885 thread.view = .new_comment; 886 }, 887 .repo_discussions => |*thread| { 888 thread.comment = parent_event_id; 889 thread.view = .new_comment; 890 }, 891 else => unreachable, 892 } 893 return route; 894 } 895 896 // build the form route for editing a comment. 897 pub fn repoThreadCommentEditRoute(kind: evt.EventKind, identity: []const u8, thread_id: []const u8, comment_id: []const u8) ?RoutablePage { 898 var route = repoThreadCommentRoute(kind, identity, thread_id, comment_id, 0) orelse return null; 899 switch (route) { 900 .repo_issues => |*thread| thread.view = .edit_comment, 901 .repo_patches => |*thread| thread.view = .edit_comment, 902 .repo_discussions => |*thread| thread.view = .edit_comment, 903 else => unreachable, 904 } 905 return route; 906 } 907 908 // build the confirmation route for removing a thread or comment. 909 pub fn repoThreadRemoveRoute(kind: evt.EventKind, identity: []const u8, thread_id: []const u8, comment_id: []const u8) ?RoutablePage { 910 var route = if (comment_id.len == 0) 911 repoThreadCommentsRoute(kind, identity, thread_id, 0) orelse return null 912 else 913 repoThreadCommentRoute(kind, identity, thread_id, comment_id, 0) orelse return null; 914 switch (route) { 915 .repo_issues => |*thread| thread.view = .remove, 916 .repo_patches => |*thread| thread.view = .remove, 917 .repo_discussions => |*thread| thread.view = .remove, 918 else => unreachable, 919 } 920 return route; 921 } 922 923 // build a thread labels route, keeping its url-encoded label filter. 924 pub fn repoThreadLabelsRoute(kind: evt.EventKind, identity: []const u8, label: []const u8) ?RoutablePage { 925 var route = repoThreadRoute(kind, identity, label, "") orelse return null; 926 switch (route) { 927 .repo_issues => |*thread| thread.view = .labels, 928 .repo_patches => |*thread| thread.view = .labels, 929 .repo_discussions => |*thread| thread.view = .labels, 930 else => unreachable, 931 } 932 return route; 933 } 934 935 // build a new-thread form route. 936 pub fn repoThreadNewRoute(kind: evt.EventKind, identity: []const u8) ?RoutablePage { 937 var route = repoThreadRoute(kind, identity, "", "") orelse return null; 938 switch (route) { 939 .repo_issues => |*thread| thread.view = .new, 940 .repo_patches => |*thread| thread.view = .new, 941 .repo_discussions => |*thread| thread.view = .new, 942 else => unreachable, 943 } 944 return route; 945 } 946 947 // build the edit form route for a thread. 948 pub fn repoThreadEditRoute(kind: evt.EventKind, identity: []const u8, selected: []const u8) ?RoutablePage { 949 if (selected.len == 0) return null; 950 var route = repoThreadRoute(kind, identity, "", selected) orelse return null; 951 switch (route) { 952 .repo_issues => |*thread| thread.view = .edit, 953 .repo_patches => |*thread| thread.view = .edit, 954 .repo_discussions => |*thread| thread.view = .edit, 955 else => unreachable, 956 } 957 return route; 958 } 959 960 // build a route showing a thread's whole description. 961 pub fn repoThreadDescriptionRoute(kind: evt.EventKind, identity: []const u8, selected: []const u8) ?RoutablePage { 962 if (selected.len == 0) return null; 963 var route = repoThreadRoute(kind, identity, "", selected) orelse return null; 964 switch (route) { 965 .repo_issues => |*thread| thread.view = .description, 966 .repo_patches => |*thread| thread.view = .description, 967 .repo_discussions => |*thread| thread.view = .description, 968 else => unreachable, 969 } 970 return route; 971 } 972 973 // build a `.repo_issues` route showing the conflicts list, rooted at the 974 // issue with hex event id `start` ("" = the first window). 975 pub fn repoIssuesConflictsRoute(identity: []const u8, start: []const u8) ?RoutablePage { 976 return .{ .repo_issues = .{ 977 .name = Array(repo_route_max_len).from(identity) orelse return null, 978 .selected = Array(evt.event_id_size * 2).from(start) orelse return null, 979 .view = .conflicts, 980 } }; 981 } 982 983 // build a `.repo_issues` route showing the conflict resolve form for the 984 // issue with hex event id `selected`; `theirs` is the comma-separated list 985 // of fields prefilled from their side. 986 pub fn repoIssuesResolveRoute(identity: []const u8, selected: []const u8, theirs: []const u8) ?RoutablePage { 987 if (selected.len == 0) return null; 988 return .{ .repo_issues = .{ 989 .name = Array(repo_route_max_len).from(identity) orelse return null, 990 .selected = Array(evt.event_id_size * 2).from(selected) orelse return null, 991 .theirs = Array(theirs_route_max_len).from(theirs) orelse return null, 992 .view = .resolve, 993 } }; 994 } 995 996 pub fn repoPatchesConflictsRoute(identity: []const u8, start: []const u8) ?RoutablePage { 997 return .{ .repo_patches = .{ 998 .name = Array(repo_route_max_len).from(identity) orelse return null, 999 .selected = Array(evt.event_id_size * 2).from(start) orelse return null, 1000 .view = .conflicts, 1001 } }; 1002 } 1003 1004 pub fn repoPatchesResolveRoute(identity: []const u8, selected: []const u8, theirs: []const u8) ?RoutablePage { 1005 if (selected.len == 0) return null; 1006 return .{ .repo_patches = .{ 1007 .name = Array(repo_route_max_len).from(identity) orelse return null, 1008 .selected = Array(evt.event_id_size * 2).from(selected) orelse return null, 1009 .theirs = Array(theirs_route_max_len).from(theirs) orelse return null, 1010 .view = .resolve, 1011 } }; 1012 } 1013 1014 // an inline, owned array of data. keeping it in the route (rather than a 1015 // borrowed slice) makes RoutablePage a plain value: it can be copied, stored 1016 // in history, and serialized without any arena tracking. 1017 pub fn Array(comptime max_len: usize) type { 1018 return struct { 1019 bytes: [max_len]u8 = undefined, 1020 len: u16 = 0, 1021 1022 pub fn from(s: []const u8) ?Array(max_len) { 1023 if (s.len > max_len) return null; 1024 var name = Array(max_len){ .len = @intCast(s.len) }; 1025 @memcpy(name.bytes[0..s.len], s); 1026 return name; 1027 } 1028 1029 pub fn slice(self: *const Array(max_len)) []const u8 { 1030 return self.bytes[0..self.len]; 1031 } 1032 1033 // round-trip as a json string instead of an array of numbers. 1034 pub fn jsonStringify(self: *const Array(max_len), jw: anytype) !void { 1035 try jw.write(self.slice()); 1036 } 1037 1038 pub fn jsonParse(allocator: std.mem.Allocator, source: anytype, options: std.json.ParseOptions) !Array(max_len) { 1039 const s = try std.json.innerParse([]const u8, allocator, source, options); 1040 // ValueTooLong is std.json's error for an over-long field. 1041 return from(s) orelse error.ValueTooLong; 1042 } 1043 }; 1044 } 1045 1046 pub fn toUrl(self: RoutablePage, arena: *std.heap.ArenaAllocator) ![]const u8 { 1047 return switch (self) { 1048 .home_about => "/", 1049 .home_users => |u| blk: { 1050 var out: std.Io.Writer.Allocating = .init(arena.allocator()); 1051 try out.writer.writeAll("/" ++ home_segment ++ "/users"); 1052 try writeListWindow(&out.writer, u.search.slice(), u.start); 1053 break :blk out.written(); 1054 }, 1055 .home_repo_new => "/" ++ home_segment ++ "/repo/new", 1056 .home_user_new => "/" ++ home_segment ++ "/user/new", 1057 .home_user => "/" ++ home_segment ++ "/user", 1058 .not_found => "/" ++ home_segment ++ "/not-found", 1059 .user_repos => |u| blk: { 1060 var out: std.Io.Writer.Allocating = .init(arena.allocator()); 1061 try out.writer.print("/{s}/repos", .{u.name.slice()}); 1062 try writeListWindow(&out.writer, u.search.slice(), u.start); 1063 break :blk out.written(); 1064 }, 1065 .user_forks => |u| if (u.start == 0) 1066 try std.fmt.allocPrint(arena.allocator(), "/{s}/forks", .{u.name.slice()}) 1067 else 1068 try std.fmt.allocPrint(arena.allocator(), "/{s}/forks/" ++ start_seg ++ "{d}", .{ u.name.slice(), u.start }), 1069 .user_repo_new => |name| try std.fmt.allocPrint(arena.allocator(), "/{s}/repo/new", .{name.slice()}), 1070 .user_user_new => |name| try std.fmt.allocPrint(arena.allocator(), "/{s}/user/new", .{name.slice()}), 1071 .user_user => |name| try std.fmt.allocPrint(arena.allocator(), "/{s}/user", .{name.slice()}), 1072 .repo_files => |f| blk: { 1073 const prefix = try repoUrlPrefix(arena, f.name.slice()); 1074 if (f.ref_kind == null and f.patchrev_id.len == 0 and f.find.len == 0 and f.line == 0) break :blk if (prefix.len == 0) "/" else prefix; 1075 var out: std.Io.Writer.Allocating = .init(arena.allocator()); 1076 try out.writer.print("{s}/" ++ files_seg, .{prefix}); 1077 if (f.ref_kind) |kind| if (f.ref_value.len != 0) try out.writer.print("/{s}:{s}", .{ @tagName(kind), f.ref_value.slice() }); 1078 if (f.patchrev_id.len != 0) try out.writer.print("/patchrev:{s}", .{f.patchrev_id.slice()}); 1079 if (f.find.len != 0) try out.writer.print("/" ++ find_seg ++ "{s}", .{f.find.slice()}); 1080 if (f.line != 0) try out.writer.print("/" ++ line_seg ++ "{d}", .{f.line}); 1081 if (f.path.len != 0) try out.writer.print("/" ++ path_seg ++ "{s}", .{f.path.slice()}); 1082 break :blk out.written(); 1083 }, 1084 .repo_commits => |c| blk: { 1085 const prefix = try repoUrlPrefix(arena, c.name.slice()); 1086 var out: std.Io.Writer.Allocating = .init(arena.allocator()); 1087 try out.writer.print("{s}/" ++ commits_seg, .{prefix}); 1088 if (c.ref_or_oid) |kind| if (c.value.len != 0) try out.writer.print("/{s}:{s}", .{ @tagName(kind), c.value.slice() }); 1089 if (c.base_oid.len != 0) try out.writer.print("/" ++ base_seg ++ "{s}", .{c.base_oid.slice()}); 1090 if (c.search.len != 0) try out.writer.print("/" ++ search_seg ++ "{s}", .{c.search.slice()}); 1091 if (c.from.len != 0) try out.writer.print("/" ++ from_seg ++ "{s}", .{c.from.slice()}); 1092 if (c.merge.len != 0) try out.writer.print("/" ++ merge_seg ++ "{s}", .{c.merge.slice()}); 1093 if (c.message) try out.writer.print("/" ++ message_seg, .{}); 1094 break :blk out.written(); 1095 }, 1096 .repo_diff => |d| blk: { 1097 const prefix = try repoUrlPrefix(arena, d.name.slice()); 1098 var out: std.Io.Writer.Allocating = .init(arena.allocator()); 1099 try out.writer.print("{s}/diff", .{prefix}); 1100 if (d.ref_or_oid) |kind| if (d.value.len != 0) try out.writer.print("/{s}:{s}", .{ @tagName(kind), d.value.slice() }); 1101 if (d.patchrev_id.len != 0) try out.writer.print("/patchrev:{s}", .{d.patchrev_id.slice()}); 1102 if (d.base_oid.len != 0) try out.writer.print("/" ++ base_seg ++ "{s}", .{d.base_oid.slice()}); 1103 if (d.start != 0) try out.writer.print("/" ++ start_seg ++ "{d}", .{d.start}); 1104 if (d.path.len != 0) try out.writer.print("/" ++ path_seg ++ "{s}", .{d.path.slice()}); 1105 break :blk out.written(); 1106 }, 1107 .repo_refs => |r| blk: { 1108 var out: std.Io.Writer.Allocating = .init(arena.allocator()); 1109 try out.writer.print("{s}/refs", .{try repoUrlPrefix(arena, r.name.slice())}); 1110 if (r.from.len != 0) try out.writer.print("/{s}:{s}", .{ @tagName(r.kind), r.from.slice() }); 1111 if (r.search.len != 0) try out.writer.print("/" ++ search_seg ++ "{s}", .{r.search.slice()}); 1112 break :blk out.written(); 1113 }, 1114 .repo_issues => |i| blk: { 1115 const prefix = try repoUrlPrefix(arena, i.name.slice()); 1116 if (i.view == .edit) break :blk try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ issue_seg ++ "{s}/edit", .{ prefix, i.selected.slice() }); 1117 if (i.view == .description) break :blk try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ issue_seg ++ "{s}/description", .{ prefix, i.selected.slice() }); 1118 if (i.view == .resolve) break :blk if (i.theirs.len == 0) 1119 try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ issue_seg ++ "{s}/resolve", .{ prefix, i.selected.slice() }) 1120 else 1121 try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ issue_seg ++ "{s}/" ++ theirs_seg ++ "{s}/resolve", .{ prefix, i.selected.slice(), i.theirs.slice() }); 1122 if (i.view == .new_comment) break :blk if (i.comment.len == 0) 1123 try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ issue_seg ++ "{s}/new", .{ prefix, i.selected.slice() }) 1124 else 1125 try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ issue_seg ++ "{s}/" ++ comment_seg ++ "{s}/new", .{ prefix, i.selected.slice(), i.comment.slice() }); 1126 if (i.view == .edit_comment) break :blk try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ issue_seg ++ "{s}/" ++ comment_seg ++ "{s}/edit", .{ prefix, i.selected.slice(), i.comment.slice() }); 1127 if (i.view == .remove) break :blk if (i.comment.len == 0) 1128 try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ issue_seg ++ "{s}/remove", .{ prefix, i.selected.slice() }) 1129 else 1130 try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ issue_seg ++ "{s}/" ++ comment_seg ++ "{s}/remove", .{ prefix, i.selected.slice(), i.comment.slice() }); 1131 if (i.view == .conflicts) break :blk if (i.selected.len == 0) 1132 try std.fmt.allocPrint(arena.allocator(), "{s}/issues/conflicts", .{prefix}) 1133 else 1134 try std.fmt.allocPrint(arena.allocator(), "{s}/issues/" ++ start_seg ++ "{s}/conflicts", .{ prefix, i.selected.slice() }); 1135 if (i.comment.len != 0) break :blk if (i.comments_start == 0) 1136 try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ issue_seg ++ "{s}/" ++ comment_seg ++ "{s}", .{ prefix, i.selected.slice(), i.comment.slice() }) 1137 else 1138 try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ issue_seg ++ "{s}/" ++ comment_seg ++ "{s}/" ++ start_seg ++ "{d}", .{ prefix, i.selected.slice(), i.comment.slice(), i.comments_start }); 1139 var out: std.Io.Writer.Allocating = .init(arena.allocator()); 1140 // the list the thread is selected in stays filtered, so paging 1141 // and reloading keep the label and the query 1142 if (i.selected.len != 0) { 1143 try out.writer.print("{s}/" ++ issue_seg ++ "{s}", .{ prefix, i.selected.slice() }); 1144 try writeListFilters(&out.writer, i.label.slice(), i.search.slice()); 1145 if (i.comments_start != 0) try out.writer.print("/" ++ start_seg ++ "{d}", .{i.comments_start}); 1146 break :blk out.written(); 1147 } 1148 try out.writer.print("{s}/issues/{s}", .{ prefix, @tagName(i.view) }); 1149 try writeListFilters(&out.writer, i.label.slice(), i.search.slice()); 1150 break :blk out.written(); 1151 }, 1152 .repo_patches => |p| blk: { 1153 const prefix = try repoUrlPrefix(arena, p.name.slice()); 1154 if (p.view == .edit) break :blk try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ patch_seg ++ "{s}/edit", .{ prefix, p.selected.slice() }); 1155 if (p.view == .publish) break :blk try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ patch_seg ++ "{s}/publish", .{ prefix, p.selected.slice() }); 1156 if (p.view == .merge) break :blk try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ patch_seg ++ "{s}/merge", .{ prefix, p.selected.slice() }); 1157 if (p.view == .description) break :blk try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ patch_seg ++ "{s}/description", .{ prefix, p.selected.slice() }); 1158 if (p.view == .resolve) break :blk if (p.theirs.len == 0) 1159 try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ patch_seg ++ "{s}/resolve", .{ prefix, p.selected.slice() }) 1160 else 1161 try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ patch_seg ++ "{s}/" ++ theirs_seg ++ "{s}/resolve", .{ prefix, p.selected.slice(), p.theirs.slice() }); 1162 if (p.view == .new_comment) break :blk if (p.comment.len == 0) 1163 try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ patch_seg ++ "{s}/new", .{ prefix, p.selected.slice() }) 1164 else 1165 try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ patch_seg ++ "{s}/" ++ comment_seg ++ "{s}/new", .{ prefix, p.selected.slice(), p.comment.slice() }); 1166 if (p.view == .edit_comment) break :blk try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ patch_seg ++ "{s}/" ++ comment_seg ++ "{s}/edit", .{ prefix, p.selected.slice(), p.comment.slice() }); 1167 if (p.view == .remove) break :blk if (p.comment.len == 0) 1168 try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ patch_seg ++ "{s}/remove", .{ prefix, p.selected.slice() }) 1169 else 1170 try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ patch_seg ++ "{s}/" ++ comment_seg ++ "{s}/remove", .{ prefix, p.selected.slice(), p.comment.slice() }); 1171 if (p.view == .conflicts) break :blk if (p.selected.len == 0) 1172 try std.fmt.allocPrint(arena.allocator(), "{s}/patches/conflicts", .{prefix}) 1173 else 1174 try std.fmt.allocPrint(arena.allocator(), "{s}/patches/" ++ start_seg ++ "{s}/conflicts", .{ prefix, p.selected.slice() }); 1175 if (p.comment.len != 0) break :blk if (p.comments_start == 0) 1176 try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ patch_seg ++ "{s}/" ++ comment_seg ++ "{s}", .{ prefix, p.selected.slice(), p.comment.slice() }) 1177 else 1178 try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ patch_seg ++ "{s}/" ++ comment_seg ++ "{s}/" ++ start_seg ++ "{d}", .{ prefix, p.selected.slice(), p.comment.slice(), p.comments_start }); 1179 var out: std.Io.Writer.Allocating = .init(arena.allocator()); 1180 // the list the thread is selected in stays filtered, so paging 1181 // and reloading keep the label and the query 1182 if (p.selected.len != 0) { 1183 try out.writer.print("{s}/" ++ patch_seg ++ "{s}", .{ prefix, p.selected.slice() }); 1184 try writeListFilters(&out.writer, p.label.slice(), p.search.slice()); 1185 if (p.comments_start != 0) try out.writer.print("/" ++ start_seg ++ "{d}", .{p.comments_start}); 1186 break :blk out.written(); 1187 } 1188 try out.writer.print("{s}/patches/{s}", .{ prefix, @tagName(p.view) }); 1189 try writeListFilters(&out.writer, p.label.slice(), p.search.slice()); 1190 break :blk out.written(); 1191 }, 1192 .repo_discussions => |t| blk: { 1193 const prefix = try repoUrlPrefix(arena, t.name.slice()); 1194 if (t.view == .edit) break :blk try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ discuss_seg ++ "{s}/edit", .{ prefix, t.selected.slice() }); 1195 if (t.view == .description) break :blk try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ discuss_seg ++ "{s}/description", .{ prefix, t.selected.slice() }); 1196 if (t.view == .new_comment) break :blk if (t.comment.len == 0) 1197 try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ discuss_seg ++ "{s}/new", .{ prefix, t.selected.slice() }) 1198 else 1199 try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ discuss_seg ++ "{s}/" ++ comment_seg ++ "{s}/new", .{ prefix, t.selected.slice(), t.comment.slice() }); 1200 if (t.view == .edit_comment) break :blk try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ discuss_seg ++ "{s}/" ++ comment_seg ++ "{s}/edit", .{ prefix, t.selected.slice(), t.comment.slice() }); 1201 if (t.view == .remove) break :blk if (t.comment.len == 0) 1202 try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ discuss_seg ++ "{s}/remove", .{ prefix, t.selected.slice() }) 1203 else 1204 try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ discuss_seg ++ "{s}/" ++ comment_seg ++ "{s}/remove", .{ prefix, t.selected.slice(), t.comment.slice() }); 1205 if (t.comment.len != 0) break :blk if (t.comments_start == 0) 1206 try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ discuss_seg ++ "{s}/" ++ comment_seg ++ "{s}", .{ prefix, t.selected.slice(), t.comment.slice() }) 1207 else 1208 try std.fmt.allocPrint(arena.allocator(), "{s}/" ++ discuss_seg ++ "{s}/" ++ comment_seg ++ "{s}/" ++ start_seg ++ "{d}", .{ prefix, t.selected.slice(), t.comment.slice(), t.comments_start }); 1209 var out: std.Io.Writer.Allocating = .init(arena.allocator()); 1210 // the list the thread is selected in stays filtered, so paging 1211 // and reloading keep the label and the query 1212 if (t.selected.len != 0) { 1213 try out.writer.print("{s}/" ++ discuss_seg ++ "{s}", .{ prefix, t.selected.slice() }); 1214 try writeListFilters(&out.writer, t.label.slice(), t.search.slice()); 1215 if (t.comments_start != 0) try out.writer.print("/" ++ start_seg ++ "{d}", .{t.comments_start}); 1216 break :blk out.written(); 1217 } 1218 try out.writer.print("{s}/discussions/{s}", .{ prefix, @tagName(t.view) }); 1219 try writeListFilters(&out.writer, t.label.slice(), t.search.slice()); 1220 break :blk out.written(); 1221 }, 1222 .repo_undo => |u| blk: { 1223 const prefix = try repoUrlPrefix(arena, u.name.slice()); 1224 break :blk if (u.clear) 1225 try std.fmt.allocPrint(arena.allocator(), "{s}/undo/clear", .{prefix}) 1226 else if (u.index) |index| 1227 try std.fmt.allocPrint(arena.allocator(), "{s}/undo/{d}", .{ prefix, index }) 1228 else 1229 try std.fmt.allocPrint(arena.allocator(), "{s}/undo", .{prefix}); 1230 }, 1231 .repo_events => |e| blk: { 1232 const prefix = try repoUrlPrefix(arena, e.name.slice()); 1233 const moment = if (e.moment) |value| try std.fmt.allocPrint(arena.allocator(), "/moment:{d}", .{value}) else ""; 1234 break :blk if (e.kind) |kind| 1235 try std.fmt.allocPrint(arena.allocator(), "{s}/event:{s}/kind:{s}{s}", .{ prefix, e.selected.slice(), @tagName(kind), moment }) 1236 else 1237 try std.fmt.allocPrint(arena.allocator(), "{s}/events/{s}{s}", .{ prefix, @tagName(e.view), moment }); 1238 }, 1239 .repo_repo_new => |name| try std.fmt.allocPrint(arena.allocator(), "{s}/repo/new", .{try repoUrlPrefix(arena, name.slice())}), 1240 .repo_user_new => |name| try std.fmt.allocPrint(arena.allocator(), "{s}/user/new", .{try repoUrlPrefix(arena, name.slice())}), 1241 .repo_repo => |name| try std.fmt.allocPrint(arena.allocator(), "{s}/repo", .{try repoUrlPrefix(arena, name.slice())}), 1242 .repo_user => |name| try std.fmt.allocPrint(arena.allocator(), "{s}/user", .{try repoUrlPrefix(arena, name.slice())}), 1243 .fork_patch => |f| try std.fmt.allocPrint(arena.allocator(), "/{s}+{s}", .{ f.name.slice(), f.id.slice() }), 1244 .fork_diff => |d| blk: { 1245 var out: std.Io.Writer.Allocating = .init(arena.allocator()); 1246 try out.writer.print("/{s}+{s}/diff", .{ d.fork.name.slice(), d.fork.id.slice() }); 1247 if (d.oid.len != 0) try out.writer.print("/object:{s}/" ++ base_seg ++ "{s}", .{ d.oid.slice(), d.base_oid.slice() }); 1248 if (d.start != 0) try out.writer.print("/" ++ start_seg ++ "{d}", .{d.start}); 1249 if (d.path.len != 0) try out.writer.print("/" ++ path_seg ++ "{s}", .{d.path.slice()}); 1250 break :blk out.written(); 1251 }, 1252 .fork_files => |f| blk: { 1253 var out: std.Io.Writer.Allocating = .init(arena.allocator()); 1254 try out.writer.print("/{s}+{s}/" ++ files_seg, .{ f.fork.name.slice(), f.fork.id.slice() }); 1255 if (f.oid.len != 0) try out.writer.print("/object:{s}", .{f.oid.slice()}); 1256 if (f.find.len != 0) try out.writer.print("/" ++ find_seg ++ "{s}", .{f.find.slice()}); 1257 if (f.line != 0) try out.writer.print("/" ++ line_seg ++ "{d}", .{f.line}); 1258 if (f.path.len != 0) try out.writer.print("/" ++ path_seg ++ "{s}", .{f.path.slice()}); 1259 break :blk out.written(); 1260 }, 1261 .fork_commits => |c| blk: { 1262 var out: std.Io.Writer.Allocating = .init(arena.allocator()); 1263 try out.writer.print("/{s}+{s}/" ++ commits_seg, .{ c.fork.name.slice(), c.fork.id.slice() }); 1264 if (c.oid.len != 0) try out.writer.print("/object:{s}", .{c.oid.slice()}); 1265 if (c.message) try out.writer.print("/" ++ message_seg, .{}); 1266 break :blk out.written(); 1267 }, 1268 .fork_repo_new => |f| try std.fmt.allocPrint(arena.allocator(), "/{s}+{s}/repo/new", .{ f.name.slice(), f.id.slice() }), 1269 .fork_user_new => |f| try std.fmt.allocPrint(arena.allocator(), "/{s}+{s}/user/new", .{ f.name.slice(), f.id.slice() }), 1270 .fork_user => |f| try std.fmt.allocPrint(arena.allocator(), "/{s}+{s}/user", .{ f.name.slice(), f.id.slice() }), 1271 }; 1272 } 1273 1274 pub fn fromUrl(path: []const u8) ?RoutablePage { 1275 if (std.mem.eql(u8, path, "/")) return default; 1276 if (path.len < 2 or path[0] != '/') return null; 1277 var segments = std.mem.splitScalar(u8, path[1..], '/'); 1278 const first = segments.next() orelse return null; 1279 // "<forker>:<reponame>+<patch id>[/files|/commits]"; the patch 1280 // branch is implicit, while object ids and view-specific params 1281 // use the same tails as the repo files and commits routes. 1282 if (std.mem.indexOfScalar(u8, first, '+')) |plus| { 1283 const identity = first[0..plus]; 1284 _ = RepoIdentity.parse(identity) orelse return null; 1285 const id = first[plus + 1 ..]; 1286 if (id.len != evt.event_id_size * 2) return null; 1287 for (id) |c| if (!std.ascii.isHex(c)) return null; 1288 const tab = segments.next() orelse return forkPatchRoute(identity, id); 1289 var params = Params{}; 1290 if (std.mem.eql(u8, tab, "diff")) { 1291 params.scanPairs(&segments) catch return null; 1292 if (!params.only(&.{ .start, .object, .base })) return null; 1293 const ref = params.ref() catch return null; 1294 const oid = if (ref) |value| if (value.kind == .object) value.value else return null else ""; 1295 return forkDiffRoute(identity, id, oid, params.values.get(.base) orelse "", params.start() orelse return null, pathValue(segments.rest()) orelse return null); 1296 } 1297 if (std.mem.eql(u8, tab, files_seg)) { 1298 params.scanPairs(&segments) catch return null; 1299 if (!params.only(&.{ .line, .object, .find })) return null; 1300 const line = params.line() orelse return null; 1301 const ref = params.ref() catch return null; 1302 const oid = if (ref) |value| if (value.kind == .object) value.value else return null else ""; 1303 const file_path = pathValue(segments.rest()) orelse return null; 1304 var route = forkFilesRoute(identity, id, oid, file_path, line) orelse return null; 1305 if (params.values.get(.find)) |find| route.fork_files.find = Array(find_route_max_len).from(find) orelse return null; 1306 return route; 1307 } 1308 if (std.mem.eql(u8, tab, commits_seg)) { 1309 params.scanPairs(&segments) catch return null; 1310 if (!params.only(&.{.object})) return null; 1311 const ref = params.ref() catch return null; 1312 const oid = if (ref) |value| if (value.kind == .object) value.value else return null else ""; 1313 if (std.mem.eql(u8, segments.rest(), message_seg)) 1314 return if (oid.len != 0) forkCommitMessageRoute(identity, id, oid) else null; 1315 return if (segments.rest().len == 0) forkCommitsRoute(identity, id, oid) else null; 1316 } 1317 if (std.mem.eql(u8, tab, "repo")) return if (isNewTail(&segments)) forkRepoNewRoute(identity, id) else null; 1318 if (std.mem.eql(u8, tab, "user")) return if (segments.peek() == null) forkUserRoute(identity, id) else if (isNewTail(&segments)) forkUserNewRoute(identity, id) else null; 1319 return null; 1320 } 1321 // "<username>:<reponame>[/<tab tail>]"; the bare pair is the files root 1322 if (std.mem.indexOfScalar(u8, first, ':') != null) { 1323 _ = RepoIdentity.parse(first) orelse return null; 1324 if (segments.peek() != null) { 1325 return repoSubRoute(first, segments.rest()); 1326 } 1327 return repoFilesRoute(first, null, "", "", 0); 1328 } 1329 // "home[/users[/search:<s>][/start:<n>]|/repo/new|/user[/new]|/not-found]" 1330 if (std.mem.eql(u8, first, home_segment)) { 1331 const sub = segments.next() orelse return default; 1332 if (std.mem.eql(u8, sub, "users")) { 1333 const params = listParams(&segments, &.{ .start, .search }) orelse return null; 1334 return withEncodedSearch(.{ .home_users = .{ .start = params.start() orelse return null } }, params.values.get(.search) orelse ""); 1335 } 1336 if (std.mem.eql(u8, sub, "repo")) return if (isNewTail(&segments)) .home_repo_new else null; 1337 if (std.mem.eql(u8, sub, "user")) return if (segments.peek() == null) .home_user else if (isNewTail(&segments)) .home_user_new else null; 1338 if (std.mem.eql(u8, sub, "not-found")) return if (segments.peek() == null) .not_found else null; 1339 return null; 1340 } 1341 // "<username>[/repos[/search:<s>][/start:<n>]|/forks|/repo/new|/user[/new]]" 1342 evt.User.validateName(first) catch return null; 1343 const parsed = Array(evt.User.name_max_len).from(first) orelse return null; 1344 const sub = segments.next() orelse return .{ .user_repos = .{ .name = parsed } }; 1345 if (std.mem.eql(u8, sub, "repos")) { 1346 const params = listParams(&segments, &.{ .start, .search }) orelse return null; 1347 return withEncodedSearch(.{ .user_repos = .{ .name = parsed, .start = params.start() orelse return null } }, params.values.get(.search) orelse ""); 1348 } 1349 if (std.mem.eql(u8, sub, "forks")) return .{ .user_forks = .{ .name = parsed, .start = listStart(&segments) orelse return null } }; 1350 if (std.mem.eql(u8, sub, "repo")) return if (isNewTail(&segments)) .{ .user_repo_new = parsed } else null; 1351 if (std.mem.eql(u8, sub, "user")) return if (segments.peek() == null) .{ .user_user = parsed } else if (isNewTail(&segments)) .{ .user_user_new = parsed } else null; 1352 return null; // unknown sub-path 1353 } 1354 1355 // parse a local-mode url, which elides the "/<owner>:<name>" prefix: 1356 // "/" is the files root and the sub-paths follow directly. 1357 pub fn fromUrlLocal(path: []const u8) ?RoutablePage { 1358 if (std.mem.eql(u8, path, "/")) return repoFilesRoute("", null, "", "", 0); 1359 if (path.len < 2 or path[0] != '/') return null; 1360 return repoSubRoute("", path[1..]); 1361 } 1362 1363 // the url prefix for a repo route's identity: "/<identity>", or "" 1364 // when the identity is elided. 1365 fn repoUrlPrefix(arena: *std.heap.ArenaAllocator, identity: []const u8) ![]const u8 { 1366 if (identity.len == 0) return ""; 1367 return std.fmt.allocPrint(arena.allocator(), "/{s}", .{identity}); 1368 } 1369 1370 // true when the page builds at its content height on the web, letting the 1371 // browser scroll the whole page, rather than being pinned to the viewport 1372 pub fn fullHeight(self: RoutablePage) bool { 1373 return switch (self) { 1374 .repo_issues => |i| i.view == .resolve, 1375 .repo_patches => |p| p.view == .resolve, 1376 else => false, 1377 }; 1378 } 1379 1380 // the "owner:name" a repo route carries, null for any other route. the 1381 // result borrows the route, so it must outlive the slice. 1382 pub fn repoIdentity(self: *const RoutablePage) ?[]const u8 { 1383 return switch (self.*) { 1384 .repo_files => |*f| f.name.slice(), 1385 .repo_commits => |*c| c.name.slice(), 1386 .repo_diff => |*d| d.name.slice(), 1387 .repo_refs => |*r| r.name.slice(), 1388 .repo_issues => |*i| i.name.slice(), 1389 .repo_patches => |*p| p.name.slice(), 1390 .repo_discussions => |*t| t.name.slice(), 1391 .repo_events => |*e| e.name.slice(), 1392 .repo_undo => |*u| u.name.slice(), 1393 .repo_repo, .repo_repo_new, .repo_user_new, .repo_user => |*name| name.slice(), 1394 else => null, 1395 }; 1396 } 1397 1398 pub fn forkRoute(self: *const RoutablePage) ?*const ForkRoute { 1399 return switch (self.*) { 1400 .fork_patch => |*f| f, 1401 .fork_diff => |*d| &d.fork, 1402 .fork_files => |*f| &f.fork, 1403 .fork_commits => |*f| &f.fork, 1404 .fork_repo_new => |*f| f, 1405 .fork_user_new => |*f| f, 1406 .fork_user => |*f| f, 1407 else => null, 1408 }; 1409 } 1410 1411 // the route this route's page lands on, with no tab or params: the users 1412 // list, a user's repos, or a repo's files root. 1413 pub fn pageRoot(self: RoutablePage) RoutablePage { 1414 return switch (self.parent()) { 1415 .home => .default, 1416 .user => switch (self) { 1417 .user_repos => |u| .{ .user_repos = .{ .name = u.name } }, 1418 .user_forks => |u| .{ .user_repos = .{ .name = u.name } }, 1419 .user_repo_new, .user_user_new, .user_user => |name| .{ .user_repos = .{ .name = name } }, 1420 else => self, 1421 }, 1422 // every repo route stores the same identity, so it always fits 1423 .repo => repoFilesRoute(self.repoIdentity() orelse return self, null, "", "", 0) orelse self, 1424 .fork => blk: { 1425 const f = self.forkRoute() orelse break :blk self; 1426 break :blk forkPatchRoute(f.name.slice(), f.id.slice()) orelse self; 1427 }, 1428 .not_found => self, 1429 }; 1430 } 1431 1432 pub fn parent(self: RoutablePage) PageKind { 1433 return switch (self) { 1434 .home_about, .home_users, .home_repo_new, .home_user_new, .home_user => .home, 1435 .user_repos, .user_forks, .user_repo_new, .user_user_new, .user_user => .user, 1436 .repo_files, .repo_commits, .repo_diff, .repo_refs, .repo_issues, .repo_patches, .repo_discussions, .repo_events, .repo_undo, .repo_repo, .repo_repo_new, .repo_user_new, .repo_user => .repo, 1437 .fork_patch, .fork_diff, .fork_files, .fork_commits, .fork_repo_new, .fork_user_new, .fork_user => .fork, 1438 .not_found => .not_found, 1439 }; 1440 } 1441 1442 // the dir a trailing "path:<dir>" names: the raw remainder ("" when 1443 // absent, null when malformed) 1444 fn pathValue(rest: []const u8) ?[]const u8 { 1445 if (rest.len == 0) return ""; 1446 if (!std.mem.startsWith(u8, rest, path_seg)) return null; 1447 const dir = rest[path_seg.len..]; 1448 return if (dir.len == 0) null else dir; 1449 } 1450 1451 // a list route's tail: at most a "start:<n>" param, null on anything else 1452 // whether the rest of `segments` is exactly "new" 1453 fn isNewTail(segments: *std.mem.SplitIterator(u8, .scalar)) bool { 1454 const next = segments.next() orelse return false; 1455 return std.mem.eql(u8, next, "new") and segments.next() == null; 1456 } 1457 1458 fn listStart(segments: *std.mem.SplitIterator(u8, .scalar)) ?usize { 1459 const params = listParams(segments, &.{.start}) orelse return null; 1460 return params.start(); 1461 } 1462 1463 // a list route's tail of `allowed` params, null on anything else 1464 fn listParams(segments: *std.mem.SplitIterator(u8, .scalar), allowed: []const Params.ParamKey) ?Params { 1465 var params = Params{}; 1466 const word = params.scanTail(segments) catch return null; 1467 if (word != null or !params.only(allowed)) return null; 1468 return params; 1469 } 1470 1471 // a searchable list url's search and window segments, each optional 1472 fn writeListWindow(writer: *std.Io.Writer, search: []const u8, start: usize) !void { 1473 if (search.len != 0) try writer.print("/" ++ search_seg ++ "{s}", .{search}); 1474 if (start != 0) try writer.print("/" ++ start_seg ++ "{d}", .{start}); 1475 } 1476 1477 // parse the sub-path after a repo route's identity ("" for a local 1478 // route): a tab keyword followed by "key:value" params in any order, plus 1479 // the files tab's trailing "path:<dir>". 1480 fn repoSubRoute(pair: []const u8, sub: []const u8) ?RoutablePage { 1481 var segments = std.mem.splitScalar(u8, sub, '/'); 1482 const tab = segments.next() orelse return null; 1483 var params = Params{}; 1484 if (std.mem.eql(u8, tab, "repo")) return if (segments.peek() == null) .{ .repo_repo = Array(repo_route_max_len).from(pair) orelse return null } else if (isNewTail(&segments)) .{ .repo_repo_new = Array(repo_route_max_len).from(pair) orelse return null } else null; 1485 if (std.mem.eql(u8, tab, "user")) return if (segments.peek() == null) .{ .repo_user = Array(repo_route_max_len).from(pair) orelse return null } else if (isNewTail(&segments)) .{ .repo_user_new = Array(repo_route_max_len).from(pair) orelse return null } else null; 1486 if (std.mem.eql(u8, tab, "refs")) { 1487 const word = params.scanTail(&segments) catch return null; 1488 if (word != null or !params.only(&.{ .branch, .tag, .search })) return null; 1489 const ref = params.ref() catch return null; 1490 const kind: RefKind = if (ref) |r| std.meta.stringToEnum(RefKind, @tagName(r.kind)) orelse return null else .branch; 1491 const from = if (ref) |r| r.value else ""; 1492 return withEncodedSearch(repoRefsRoute(pair, kind, from), params.values.get(.search) orelse ""); 1493 } 1494 if (std.mem.startsWith(u8, tab, issue_seg)) { 1495 const issue_id = tab[issue_seg.len..]; 1496 if (issue_id.len == 0) return null; 1497 if (segments.peek()) |tail| { 1498 if (std.mem.startsWith(u8, tail, comment_seg)) { 1499 _ = segments.next(); 1500 const comment_id = tail[comment_seg.len..]; 1501 if (comment_id.len == 0) return null; 1502 const word = params.scanTail(&segments) catch return null; 1503 if (word) |last| { 1504 if (!params.only(&.{})) return null; 1505 if (std.mem.eql(u8, last, "new")) return repoThreadCommentNewRoute(.issue, pair, issue_id, comment_id); 1506 if (std.mem.eql(u8, last, "edit")) return repoThreadCommentEditRoute(.issue, pair, issue_id, comment_id); 1507 if (std.mem.eql(u8, last, "remove")) return repoThreadRemoveRoute(.issue, pair, issue_id, comment_id); 1508 return null; 1509 } 1510 if (!params.only(&.{.start})) return null; 1511 return repoThreadCommentRoute(.issue, pair, issue_id, comment_id, params.start() orelse return null); 1512 } 1513 } 1514 const word = params.scanTail(&segments) catch return null; 1515 if (word) |tail| { 1516 if (std.mem.eql(u8, tail, "new")) return if (params.only(&.{})) repoThreadCommentNewRoute(.issue, pair, issue_id, "") else null; 1517 if (std.mem.eql(u8, tail, "edit")) return if (params.only(&.{})) repoThreadEditRoute(.issue, pair, issue_id) else null; 1518 if (std.mem.eql(u8, tail, "remove")) return if (params.only(&.{})) repoThreadRemoveRoute(.issue, pair, issue_id, "") else null; 1519 if (std.mem.eql(u8, tail, "description")) return if (params.only(&.{})) repoThreadDescriptionRoute(.issue, pair, issue_id) else null; 1520 if (std.mem.eql(u8, tail, "resolve")) { 1521 if (!params.only(&.{.theirs})) return null; 1522 return repoIssuesResolveRoute(pair, issue_id, params.values.get(.theirs) orelse ""); 1523 } 1524 return null; 1525 } 1526 if (!params.only(&.{ .start, .label, .search })) return null; 1527 return withEncodedFilters(repoThreadCommentsRoute(.issue, pair, issue_id, params.start() orelse return null), params.values.get(.label) orelse "", params.values.get(.search) orelse ""); 1528 } 1529 if (std.mem.startsWith(u8, tab, patch_seg)) { 1530 const patch_id = tab[patch_seg.len..]; 1531 if (patch_id.len == 0) return null; 1532 if (segments.peek()) |tail| { 1533 if (std.mem.startsWith(u8, tail, comment_seg)) { 1534 _ = segments.next(); 1535 const comment_id = tail[comment_seg.len..]; 1536 if (comment_id.len == 0) return null; 1537 const word = params.scanTail(&segments) catch return null; 1538 if (word) |last| { 1539 if (!params.only(&.{})) return null; 1540 if (std.mem.eql(u8, last, "new")) return repoThreadCommentNewRoute(.patch, pair, patch_id, comment_id); 1541 if (std.mem.eql(u8, last, "edit")) return repoThreadCommentEditRoute(.patch, pair, patch_id, comment_id); 1542 if (std.mem.eql(u8, last, "remove")) return repoThreadRemoveRoute(.patch, pair, patch_id, comment_id); 1543 return null; 1544 } 1545 if (!params.only(&.{.start})) return null; 1546 return repoThreadCommentRoute(.patch, pair, patch_id, comment_id, params.start() orelse return null); 1547 } 1548 } 1549 const word = params.scanTail(&segments) catch return null; 1550 if (word) |tail| { 1551 if (std.mem.eql(u8, tail, "new")) return if (params.only(&.{})) repoThreadCommentNewRoute(.patch, pair, patch_id, "") else null; 1552 if (std.mem.eql(u8, tail, "edit")) return if (params.only(&.{})) repoThreadEditRoute(.patch, pair, patch_id) else null; 1553 if (std.mem.eql(u8, tail, "publish")) return if (params.only(&.{})) repoPatchPublishRoute(pair, patch_id) else null; 1554 if (std.mem.eql(u8, tail, "merge")) return if (params.only(&.{})) repoPatchMergeRoute(pair, patch_id) else null; 1555 if (std.mem.eql(u8, tail, "remove")) return if (params.only(&.{})) repoThreadRemoveRoute(.patch, pair, patch_id, "") else null; 1556 if (std.mem.eql(u8, tail, "description")) return if (params.only(&.{})) repoThreadDescriptionRoute(.patch, pair, patch_id) else null; 1557 if (std.mem.eql(u8, tail, "resolve")) { 1558 if (!params.only(&.{.theirs})) return null; 1559 return repoPatchesResolveRoute(pair, patch_id, params.values.get(.theirs) orelse ""); 1560 } 1561 return null; 1562 } 1563 if (!params.only(&.{ .start, .label, .search })) return null; 1564 return withEncodedFilters(repoThreadCommentsRoute(.patch, pair, patch_id, params.start() orelse return null), params.values.get(.label) orelse "", params.values.get(.search) orelse ""); 1565 } 1566 if (std.mem.startsWith(u8, tab, discuss_seg)) { 1567 const discussion_id = tab[discuss_seg.len..]; 1568 if (discussion_id.len == 0) return null; 1569 if (segments.peek()) |tail| { 1570 if (std.mem.startsWith(u8, tail, comment_seg)) { 1571 _ = segments.next(); 1572 const comment_id = tail[comment_seg.len..]; 1573 if (comment_id.len == 0) return null; 1574 const word = params.scanTail(&segments) catch return null; 1575 if (word) |last| { 1576 if (!params.only(&.{})) return null; 1577 if (std.mem.eql(u8, last, "new")) return repoThreadCommentNewRoute(.discuss, pair, discussion_id, comment_id); 1578 if (std.mem.eql(u8, last, "edit")) return repoThreadCommentEditRoute(.discuss, pair, discussion_id, comment_id); 1579 if (std.mem.eql(u8, last, "remove")) return repoThreadRemoveRoute(.discuss, pair, discussion_id, comment_id); 1580 return null; 1581 } 1582 if (!params.only(&.{.start})) return null; 1583 return repoThreadCommentRoute(.discuss, pair, discussion_id, comment_id, params.start() orelse return null); 1584 } 1585 } 1586 const word = params.scanTail(&segments) catch return null; 1587 if (word) |tail| { 1588 if (std.mem.eql(u8, tail, "new")) return if (params.only(&.{})) repoThreadCommentNewRoute(.discuss, pair, discussion_id, "") else null; 1589 if (std.mem.eql(u8, tail, "edit")) return if (params.only(&.{})) repoThreadEditRoute(.discuss, pair, discussion_id) else null; 1590 if (std.mem.eql(u8, tail, "remove")) return if (params.only(&.{})) repoThreadRemoveRoute(.discuss, pair, discussion_id, "") else null; 1591 if (std.mem.eql(u8, tail, "description")) return if (params.only(&.{})) repoThreadDescriptionRoute(.discuss, pair, discussion_id) else null; 1592 return null; 1593 } 1594 if (!params.only(&.{ .start, .label, .search })) return null; 1595 return withEncodedFilters(repoThreadCommentsRoute(.discuss, pair, discussion_id, params.start() orelse return null), params.values.get(.label) orelse "", params.values.get(.search) orelse ""); 1596 } 1597 if (std.mem.eql(u8, tab, "issues")) { 1598 // the word is a list view; a filter with neither is never emitted. 1599 const word = params.scanTail(&segments) catch return null; 1600 const label_value = params.values.get(.label) orelse ""; 1601 const w = word orelse return if (params.only(&.{})) repoIssuesRoute(pair, .open, "", "") else null; 1602 // the conflicts list windows by an issue id, not a number, so it 1603 // reads the start param raw 1604 if (std.mem.eql(u8, w, "conflicts")) { 1605 if (!params.only(&.{.start})) return null; 1606 return repoIssuesConflictsRoute(pair, params.values.get(.start) orelse ""); 1607 } 1608 if (!params.only(&.{ .label, .search })) return null; 1609 const search_value = params.values.get(.search) orelse ""; 1610 if (std.meta.stringToEnum(evt.Issue.Status, w)) |status| return withEncodedSearch(repoIssuesRoute(pair, status, label_value, ""), search_value); 1611 if (std.mem.eql(u8, w, "labels")) return withEncodedSearch(repoThreadLabelsRoute(.issue, pair, label_value), search_value); 1612 if (std.mem.eql(u8, w, "new")) return if (label_value.len == 0 and search_value.len == 0) repoThreadNewRoute(.issue, pair) else null; 1613 return null; 1614 } 1615 if (std.mem.eql(u8, tab, "patches")) { 1616 const word = params.scanTail(&segments) catch return null; 1617 const label_value = params.values.get(.label) orelse ""; 1618 const view = word orelse return if (params.only(&.{})) repoPatchesRoute(pair, .open, "", "") else null; 1619 if (std.mem.eql(u8, view, "conflicts")) { 1620 if (!params.only(&.{.start})) return null; 1621 return repoPatchesConflictsRoute(pair, params.values.get(.start) orelse ""); 1622 } 1623 if (!params.only(&.{ .label, .search })) return null; 1624 const search_value = params.values.get(.search) orelse ""; 1625 if (std.meta.stringToEnum(evt.Patch.StatusKind, view)) |status| return withEncodedSearch(repoPatchesRoute(pair, status, label_value, ""), search_value); 1626 if (std.mem.eql(u8, view, "labels")) return withEncodedSearch(repoThreadLabelsRoute(.patch, pair, label_value), search_value); 1627 if (std.mem.eql(u8, view, "new")) return if (label_value.len == 0 and search_value.len == 0) repoThreadNewRoute(.patch, pair) else null; 1628 if (std.mem.eql(u8, view, "drafts")) return if (label_value.len == 0 and search_value.len == 0) repoPatchesDraftsRoute(pair) else null; 1629 return null; 1630 } 1631 if (std.mem.eql(u8, tab, "discussions")) { 1632 const word = params.scanTail(&segments) catch return null; 1633 const label_value = params.values.get(.label) orelse ""; 1634 const view = word orelse return if (params.only(&.{})) repoDiscussionsRoute(pair, "", "") else null; 1635 if (!params.only(&.{ .label, .search })) return null; 1636 const search_value = params.values.get(.search) orelse ""; 1637 if (std.mem.eql(u8, view, "recent")) return withEncodedSearch(repoDiscussionsRoute(pair, label_value, ""), search_value); 1638 if (std.mem.eql(u8, view, "labels")) return withEncodedSearch(repoThreadLabelsRoute(.discuss, pair, label_value), search_value); 1639 if (std.mem.eql(u8, view, "new")) return if (label_value.len == 0 and search_value.len == 0) repoThreadNewRoute(.discuss, pair) else null; 1640 return null; 1641 } 1642 if (std.mem.eql(u8, tab, "undo")) { 1643 const word = segments.next(); 1644 if (segments.next() != null) return null; 1645 const value = word orelse return repoUndoRoute(pair, null); 1646 if (std.mem.eql(u8, value, "clear")) return repoUndoClearRoute(pair); 1647 return repoUndoRoute(pair, std.fmt.parseInt(u64, value, 10) catch return null); 1648 } 1649 if (std.mem.eql(u8, tab, "events")) { 1650 const word = params.scanTail(&segments) catch return null; 1651 if (!params.only(&.{.moment})) return null; 1652 const view = if (word) |value| std.meta.stringToEnum(EventsView, value) orelse return null else .active; 1653 return repoEventsRoute(pair, view, null, "", params.moment() catch return null); 1654 } 1655 if (std.mem.startsWith(u8, tab, "event:")) { 1656 const event_id = tab["event:".len..]; 1657 const kind_segment = segments.next() orelse return null; 1658 if (!std.mem.startsWith(u8, kind_segment, "kind:")) return null; 1659 const kind = std.meta.stringToEnum(evt.EventKind, kind_segment["kind:".len..]) orelse return null; 1660 if (event_id.len == 0) return null; 1661 params.scanPairs(&segments) catch return null; 1662 if (!params.only(&.{.moment}) or segments.next() != null) return null; 1663 return repoEventsRoute(pair, .active, kind, event_id, params.moment() catch return null); 1664 } 1665 if (std.mem.eql(u8, tab, files_seg)) { 1666 params.scanPairs(&segments) catch return null; 1667 if (params.values.get(.patchrev)) |id| { 1668 if (!params.only(&.{ .line, .patchrev })) return null; 1669 return repoPatchRevFilesRoute(pair, id, pathValue(segments.rest()) orelse return null, params.line() orelse return null); 1670 } 1671 if (!params.only(&.{ .line, .branch, .tag, .object, .find })) return null; 1672 const line = params.line() orelse return null; 1673 const dir = pathValue(segments.rest()) orelse return null; 1674 const find = params.values.get(.find) orelse ""; 1675 const ref = params.ref() catch return null; 1676 // a find route's `path` names the selected result, so unlike a 1677 // directory path it doesn't need a ref beside it 1678 var route = if (ref) |r| 1679 repoFilesRoute(pair, r.kind, r.value, dir, line) orelse return null 1680 else if (dir.len == 0 or find.len != 0) 1681 repoFilesRoute(pair, null, "", "", line) orelse return null 1682 else 1683 return null; 1684 if (find.len != 0) { 1685 route.repo_files.find = Array(find_route_max_len).from(find) orelse return null; 1686 route.repo_files.path = Array(repo_route_max_len).from(dir) orelse return null; 1687 } 1688 return route; 1689 } 1690 if (std.mem.eql(u8, tab, commits_seg)) { 1691 params.scanPairs(&segments) catch return null; 1692 if (params.values.get(.merge)) |oid| { 1693 if (!params.only(&.{.merge}) or segments.next() != null) return null; 1694 return repoCommitsMergeRoute(pair, oid); 1695 } 1696 if (!params.only(&.{ .branch, .tag, .object, .base, .search, .from })) return null; 1697 const base_oid = params.values.get(.base) orelse ""; 1698 const search = params.values.get(.search) orelse ""; 1699 const from = params.values.get(.from) orelse ""; 1700 const ref = (params.ref() catch return null) orelse { 1701 if (search.len != 0 or from.len != 0 or segments.rest().len != 0) return null; 1702 return repoCommitsRoute(pair, null, "", base_oid); 1703 }; 1704 // the index covers branch and tag tips, so only they can be 1705 // searched or paged by commit; an object roots the list itself 1706 if ((search.len != 0 or from.len != 0) and ref.kind == .object) return null; 1707 var route = if (std.mem.eql(u8, segments.rest(), message_seg)) 1708 repoCommitMessageRoute(pair, ref.kind, ref.value, base_oid) orelse return null 1709 else if (segments.rest().len == 0) 1710 repoCommitsRoute(pair, ref.kind, ref.value, base_oid) orelse return null 1711 else 1712 return null; 1713 if (search.len != 0) route.repo_commits.search = Array(search_route_max_len).from(search) orelse return null; 1714 if (from.len != 0) route.repo_commits.from = Array(ref_route_max_len).from(from) orelse return null; 1715 return route; 1716 } 1717 if (std.mem.eql(u8, tab, "diff")) { 1718 params.scanPairs(&segments) catch return null; 1719 if (params.values.get(.patchrev)) |id| { 1720 if (!params.only(&.{ .start, .patchrev })) return null; 1721 return repoPatchRevDiffRoute(pair, id, params.start() orelse return null, pathValue(segments.rest()) orelse return null); 1722 } 1723 if (!params.only(&.{ .start, .branch, .tag, .object, .base })) return null; 1724 const base_oid = params.values.get(.base) orelse return null; 1725 const start = params.start() orelse return null; 1726 const ref = params.ref() catch return null; 1727 const file = pathValue(segments.rest()) orelse return null; 1728 return repoDiffRoute(pair, if (ref) |r| r.kind else null, if (ref) |r| r.value else "", start, file, base_oid); 1729 } 1730 return null; // unknown sub-path 1731 } 1732 1733 pub fn eql(a: RoutablePage, b: RoutablePage) bool { 1734 if (std.meta.activeTag(a) != std.meta.activeTag(b)) return false; 1735 return switch (a) { 1736 .home_users => |a_u| a_u.start == b.home_users.start and std.mem.eql(u8, a_u.search.slice(), b.home_users.search.slice()), 1737 .user_repos => |a_u| std.mem.eql(u8, a_u.name.slice(), b.user_repos.name.slice()) and a_u.start == b.user_repos.start and std.mem.eql(u8, a_u.search.slice(), b.user_repos.search.slice()), 1738 .user_forks => |a_u| std.mem.eql(u8, a_u.name.slice(), b.user_forks.name.slice()) and a_u.start == b.user_forks.start, 1739 .user_repo_new => |a_name| std.mem.eql(u8, a_name.slice(), b.user_repo_new.slice()), 1740 .user_user_new => |a_name| std.mem.eql(u8, a_name.slice(), b.user_user_new.slice()), 1741 .user_user => |a_name| std.mem.eql(u8, a_name.slice(), b.user_user.slice()), 1742 .repo_files => |a_f| std.mem.eql(u8, a_f.name.slice(), b.repo_files.name.slice()) and 1743 a_f.ref_kind == b.repo_files.ref_kind and 1744 std.mem.eql(u8, a_f.ref_value.slice(), b.repo_files.ref_value.slice()) and 1745 std.mem.eql(u8, a_f.patchrev_id.slice(), b.repo_files.patchrev_id.slice()) and 1746 std.mem.eql(u8, a_f.find.slice(), b.repo_files.find.slice()) and 1747 std.mem.eql(u8, a_f.path.slice(), b.repo_files.path.slice()) and 1748 a_f.line == b.repo_files.line, 1749 .repo_commits => |a_c| std.mem.eql(u8, a_c.name.slice(), b.repo_commits.name.slice()) and 1750 a_c.ref_or_oid == b.repo_commits.ref_or_oid and 1751 std.mem.eql(u8, a_c.value.slice(), b.repo_commits.value.slice()) and 1752 std.mem.eql(u8, a_c.base_oid.slice(), b.repo_commits.base_oid.slice()) and 1753 std.mem.eql(u8, a_c.search.slice(), b.repo_commits.search.slice()) and 1754 std.mem.eql(u8, a_c.from.slice(), b.repo_commits.from.slice()) and 1755 std.mem.eql(u8, a_c.merge.slice(), b.repo_commits.merge.slice()) and 1756 a_c.message == b.repo_commits.message, 1757 .repo_diff => |a_d| std.mem.eql(u8, a_d.name.slice(), b.repo_diff.name.slice()) and 1758 a_d.ref_or_oid == b.repo_diff.ref_or_oid and 1759 std.mem.eql(u8, a_d.value.slice(), b.repo_diff.value.slice()) and 1760 std.mem.eql(u8, a_d.base_oid.slice(), b.repo_diff.base_oid.slice()) and 1761 std.mem.eql(u8, a_d.patchrev_id.slice(), b.repo_diff.patchrev_id.slice()) and 1762 a_d.start == b.repo_diff.start and std.mem.eql(u8, a_d.path.slice(), b.repo_diff.path.slice()), 1763 .repo_refs => |a_r| std.mem.eql(u8, a_r.name.slice(), b.repo_refs.name.slice()) and a_r.kind == b.repo_refs.kind and std.mem.eql(u8, a_r.from.slice(), b.repo_refs.from.slice()) and std.mem.eql(u8, a_r.search.slice(), b.repo_refs.search.slice()), 1764 .repo_issues => |a_i| std.mem.eql(u8, a_i.name.slice(), b.repo_issues.name.slice()) and 1765 std.mem.eql(u8, a_i.label.slice(), b.repo_issues.label.slice()) and 1766 std.mem.eql(u8, a_i.search.slice(), b.repo_issues.search.slice()) and 1767 std.mem.eql(u8, a_i.selected.slice(), b.repo_issues.selected.slice()) and 1768 std.mem.eql(u8, a_i.theirs.slice(), b.repo_issues.theirs.slice()) and 1769 a_i.view == b.repo_issues.view and 1770 a_i.comments_start == b.repo_issues.comments_start and 1771 std.mem.eql(u8, a_i.comment.slice(), b.repo_issues.comment.slice()), 1772 .repo_discussions => |a_t| std.mem.eql(u8, a_t.name.slice(), b.repo_discussions.name.slice()) and 1773 std.mem.eql(u8, a_t.label.slice(), b.repo_discussions.label.slice()) and 1774 std.mem.eql(u8, a_t.search.slice(), b.repo_discussions.search.slice()) and 1775 std.mem.eql(u8, a_t.selected.slice(), b.repo_discussions.selected.slice()) and 1776 a_t.view == b.repo_discussions.view and 1777 a_t.comments_start == b.repo_discussions.comments_start and 1778 std.mem.eql(u8, a_t.comment.slice(), b.repo_discussions.comment.slice()), 1779 .repo_patches => |a_p| std.mem.eql(u8, a_p.name.slice(), b.repo_patches.name.slice()) and 1780 std.mem.eql(u8, a_p.label.slice(), b.repo_patches.label.slice()) and 1781 std.mem.eql(u8, a_p.search.slice(), b.repo_patches.search.slice()) and 1782 std.mem.eql(u8, a_p.selected.slice(), b.repo_patches.selected.slice()) and 1783 std.mem.eql(u8, a_p.theirs.slice(), b.repo_patches.theirs.slice()) and 1784 a_p.view == b.repo_patches.view and 1785 a_p.comments_start == b.repo_patches.comments_start and 1786 std.mem.eql(u8, a_p.comment.slice(), b.repo_patches.comment.slice()), 1787 .repo_undo => |a_u| std.mem.eql(u8, a_u.name.slice(), b.repo_undo.name.slice()) and 1788 a_u.index == b.repo_undo.index and 1789 a_u.clear == b.repo_undo.clear, 1790 .repo_events => |a_e| std.mem.eql(u8, a_e.name.slice(), b.repo_events.name.slice()) and 1791 a_e.view == b.repo_events.view and 1792 a_e.moment == b.repo_events.moment and 1793 a_e.kind == b.repo_events.kind and 1794 std.mem.eql(u8, a_e.selected.slice(), b.repo_events.selected.slice()), 1795 .repo_repo_new => |a_name| std.mem.eql(u8, a_name.slice(), b.repo_repo_new.slice()), 1796 .repo_user_new => |a_name| std.mem.eql(u8, a_name.slice(), b.repo_user_new.slice()), 1797 .repo_repo => |a_name| std.mem.eql(u8, a_name.slice(), b.repo_repo.slice()), 1798 .repo_user => |a_name| std.mem.eql(u8, a_name.slice(), b.repo_user.slice()), 1799 .fork_patch => |a_f| std.mem.eql(u8, a_f.name.slice(), b.fork_patch.name.slice()) and std.mem.eql(u8, a_f.id.slice(), b.fork_patch.id.slice()), 1800 .fork_diff => |a_d| std.mem.eql(u8, a_d.fork.name.slice(), b.fork_diff.fork.name.slice()) and 1801 std.mem.eql(u8, a_d.fork.id.slice(), b.fork_diff.fork.id.slice()) and 1802 std.mem.eql(u8, a_d.oid.slice(), b.fork_diff.oid.slice()) and 1803 std.mem.eql(u8, a_d.base_oid.slice(), b.fork_diff.base_oid.slice()) and 1804 a_d.start == b.fork_diff.start and std.mem.eql(u8, a_d.path.slice(), b.fork_diff.path.slice()), 1805 .fork_files => |a_f| std.mem.eql(u8, a_f.fork.name.slice(), b.fork_files.fork.name.slice()) and 1806 std.mem.eql(u8, a_f.fork.id.slice(), b.fork_files.fork.id.slice()) and 1807 std.mem.eql(u8, a_f.oid.slice(), b.fork_files.oid.slice()) and 1808 std.mem.eql(u8, a_f.find.slice(), b.fork_files.find.slice()) and 1809 std.mem.eql(u8, a_f.path.slice(), b.fork_files.path.slice()) and 1810 a_f.line == b.fork_files.line, 1811 .fork_commits => |a_c| std.mem.eql(u8, a_c.fork.name.slice(), b.fork_commits.fork.name.slice()) and 1812 std.mem.eql(u8, a_c.fork.id.slice(), b.fork_commits.fork.id.slice()) and 1813 std.mem.eql(u8, a_c.oid.slice(), b.fork_commits.oid.slice()) and 1814 a_c.message == b.fork_commits.message, 1815 .fork_repo_new => |a_f| std.mem.eql(u8, a_f.name.slice(), b.fork_repo_new.name.slice()) and std.mem.eql(u8, a_f.id.slice(), b.fork_repo_new.id.slice()), 1816 .fork_user_new => |a_f| std.mem.eql(u8, a_f.name.slice(), b.fork_user_new.name.slice()) and std.mem.eql(u8, a_f.id.slice(), b.fork_user_new.id.slice()), 1817 .fork_user => |a_f| std.mem.eql(u8, a_f.name.slice(), b.fork_user.name.slice()) and std.mem.eql(u8, a_f.id.slice(), b.fork_user.id.slice()), 1818 else => true, 1819 }; 1820 } 1821 1822 // true when following a link from `b` to `a` (both repo routes) should reload 1823 // rather than stay in page 1824 pub fn repoPageChanged(a: RoutablePage, b: RoutablePage) bool { 1825 if (a.parent() != .repo or b.parent() != .repo) return false; 1826 if (std.meta.activeTag(a) == .repo_refs and std.meta.activeTag(b) == .repo_refs and 1827 a.repo_refs.from.len == 0 and b.repo_refs.from.len == 0) 1828 return !std.mem.eql(u8, a.repo_refs.name.slice(), b.repo_refs.name.slice()); 1829 return !a.eql(b); 1830 } 1831 1832 pub fn forkPageChanged(a: RoutablePage, b: RoutablePage) bool { 1833 return a.parent() == .fork and b.parent() == .fork and !a.eql(b); 1834 } 1835 1836 // true when `a` and `b` are the same user paginated to a different repos 1837 // window or search. switching between a user's tabs is in-page, so only a 1838 // changed `start` or search on the same list navigates. 1839 pub fn userPageChanged(a: RoutablePage, b: RoutablePage) bool { 1840 return switch (a) { 1841 .user_repos => |aa| switch (b) { 1842 .user_repos => |bb| std.mem.eql(u8, aa.name.slice(), bb.name.slice()) and !a.eql(b), 1843 else => false, 1844 }, 1845 .user_forks => |aa| switch (b) { 1846 .user_forks => |bb| std.mem.eql(u8, aa.name.slice(), bb.name.slice()) and aa.start != bb.start, 1847 else => false, 1848 }, 1849 else => false, 1850 }; 1851 } 1852 1853 // true when `a` and `b` are the same home list tab paginated to a different 1854 // window or search. switching tabs is in-page, so only a changed `start` or 1855 // search on the same tab navigates. 1856 pub fn homePageChanged(a: RoutablePage, b: RoutablePage) bool { 1857 return switch (a) { 1858 .home_users => switch (b) { 1859 .home_users => !a.eql(b), 1860 else => false, 1861 }, 1862 else => false, 1863 }; 1864 } 1865 }; 1866 1867 // a `RefOrOid` resolved against an on-disk repo to the commit oid it points at 1868 fn isUnreserved(c: u8) bool { 1869 return std.ascii.isAlphanumeric(c) or c == '-' or c == '.' or c == '_' or c == '~'; 1870 } 1871 1872 // percent-encode a ref name for use as a single url path segment. 1873 pub fn urlEncodeRef(aa: std.mem.Allocator, raw: []const u8) ![]const u8 { 1874 var out: std.Io.Writer.Allocating = .init(aa); 1875 try std.Uri.Component.percentEncode(&out.writer, raw, isUnreserved); 1876 return out.written(); 1877 } 1878 1879 // a resolved ref/oid for a repo opened with `repo_kind`/`repo_opts` 1880 pub fn ResolvedRefOrOid(comptime repo_kind: rp.RepoKind, comptime repo_opts: rp.RepoOpts(repo_kind)) type { 1881 return struct { 1882 pub const hex_len = hash.hexLen(repo_opts.hash); 1883 1884 // the concrete ref/oid (a null request resolves to the default branch) 1885 ref_or_oid: RoutablePage.RefOrOid, 1886 // its branch/tag name or oid, url-encoded (ref names may contain '/', so 1887 // the route layer — which splits on '/' — stores them encoded). duped 1888 // into `aa`. 1889 value: []const u8, 1890 // the commit oid it points at 1891 oid: [hex_len]u8, 1892 1893 const Self = @This(); 1894 1895 // resolve a requested ref/oid (null = the repo's default branch) to a 1896 // concrete ref/oid plus the commit oid it points at. `requested_value` is 1897 // the url-encoded form (as it appears in the route). null when it doesn't 1898 // resolve (an unknown branch/tag, or a malformed/unknown oid). 1899 pub fn init( 1900 repo: *rp.Repo(repo_kind, repo_opts), 1901 io: std.Io, 1902 aa: std.mem.Allocator, 1903 requested_ref_or_oid: ?RoutablePage.RefOrOid, 1904 requested_value: []const u8, 1905 ) !?Self { 1906 var ref_or_oid: RoutablePage.RefOrOid = requested_ref_or_oid orelse .branch; 1907 // the decoded ref name / oid to look up. a named ref arrives url-encoded. 1908 var value: []const u8 = if (requested_ref_or_oid == null) 1909 requested_value 1910 else 1911 std.Uri.percentDecodeInPlace(try aa.dupe(u8, requested_value)); 1912 // no ref named: fall back to HEAD's branch (or its oid when detached). 1913 if (requested_ref_or_oid == null) { 1914 var head_buf: [rf.MAX_REF_CONTENT_SIZE]u8 = undefined; 1915 if (repo.head(io, &head_buf)) |head| switch (head) { 1916 .ref => |r| { 1917 ref_or_oid = .branch; 1918 value = r.name; 1919 }, 1920 .oid => |o| { 1921 ref_or_oid = .object; 1922 value = o; 1923 }, 1924 } else |_| {} 1925 } 1926 1927 var oid: [hex_len]u8 = undefined; 1928 switch (ref_or_oid) { 1929 .object => { 1930 if (value.len != hex_len) return null; 1931 @memcpy(&oid, value); 1932 }, 1933 .branch, .tag => { 1934 const ref_kind: rf.RefKind = if (ref_or_oid == .branch) .head else .tag; 1935 oid = (repo.readRef(io, .{ .kind = ref_kind, .name = value }) catch null) orelse return null; 1936 }, 1937 } 1938 // store url-encoded so the route layer can hold the value verbatim. 1939 return .{ .ref_or_oid = ref_or_oid, .value = try urlEncodeRef(aa, value), .oid = oid }; 1940 } 1941 }; 1942 } 1943 1944 // who a repo page is built for, which picks the actions it shows 1945 pub const Viewer = struct { 1946 role: evt.Repo.Role, 1947 email: []const u8, 1948 1949 // the session's viewer of a repo it holds `role` in, or null when logged 1950 // out. local mode owns everything. 1951 pub fn init(session: *Session, arena: *std.heap.ArenaAllocator, role: evt.Repo.Role) !?Viewer { 1952 if (session.data.host_kind == .local) return .{ .role = .owner, .email = "" }; 1953 const user_id = session.userId() orelse return null; 1954 const moment = session.haxy_moment orelse unreachable; 1955 const user = (try activeUser(moment, arena, user_id)) orelse return null; 1956 return .{ .role = role, .email = user.event.email }; 1957 } 1958 }; 1959 1960 // a repo a page shows, and what its viewer may do there 1961 pub const RepoHandle = struct { 1962 location: RoutablePage.RepoLocation, 1963 viewer: ?Viewer = null, 1964 1965 pub fn dupe(self: RepoHandle, allocator: std.mem.Allocator) !RepoHandle { 1966 var copy = self; 1967 copy.location = try self.location.dupe(allocator); 1968 return copy; 1969 } 1970 1971 // pushing, and seeing the events and undo tabs. local mode is always owner. 1972 pub fn canWrite(self: RepoHandle) bool { 1973 const viewer = self.viewer orelse return false; 1974 return viewer.role.atLeast(.write); 1975 } 1976 1977 pub fn canUndo(self: RepoHandle) bool { 1978 const viewer = self.viewer orelse return false; 1979 return viewer.role == .owner; 1980 } 1981 }; 1982 1983 // where a repo page reads its on-disk repo from 1984 pub const RepoSource = struct { 1985 path: []const u8, 1986 repo_kind: rp.RepoKind, 1987 // the user's global git config, so local mode picks up their identity and 1988 // their signing and ssh settings. null on the server paths, which must not 1989 // read whoever runs the server. 1990 global_config_path: ?[]const u8 = null, 1991 1992 pub fn localInitOpts(self: RepoSource) rp.InitOpts { 1993 return .{ .path = self.path, .global_config_path = self.global_config_path }; 1994 } 1995 1996 pub fn hasBranch(self: RepoSource, io: std.Io, allocator: std.mem.Allocator, branch: []const u8) !bool { 1997 if (!xit.ref.validateName(branch)) return false; 1998 return switch (self.repo_kind) { 1999 inline else => |repo_kind| blk: { 2000 var any_repo = try rp.AnyRepo(repo_kind, .{}).open(io, allocator, self.localInitOpts()); 2001 defer any_repo.deinit(io, allocator); 2002 break :blk switch (any_repo) { 2003 inline else => |*repo| (try repo.readRef(io, .{ .kind = .head, .name = branch })) != null, 2004 }; 2005 }, 2006 }; 2007 } 2008 2009 // whether the actor may change the event `id` names 2010 pub fn canModify( 2011 self: RepoSource, 2012 io: std.Io, 2013 allocator: std.mem.Allocator, 2014 actor: Actor, 2015 kind: evt.EventKind, 2016 id: *const [evt.event_id_size]u8, 2017 ) !bool { 2018 // a role that may change an event with no author needs no read 2019 if (actor.role.canModify(actor.author.email, null)) return true; 2020 2021 var arena = std.heap.ArenaAllocator.init(allocator); 2022 defer arena.deinit(); 2023 return switch (self.repo_kind) { 2024 inline else => |repo_kind| blk: { 2025 var any_repo = try rp.AnyRepo(repo_kind, .{}).open(io, allocator, self.localInitOpts()); 2026 defer any_repo.deinit(io, allocator); 2027 break :blk switch (any_repo) { 2028 inline else => |*repo| actor.role.canModify(actor.author.email, try evt.readAuthorEmail(repo_kind, repo.self_repo_opts, io, allocator, &arena, repo, kind, id)), 2029 }; 2030 }, 2031 }; 2032 } 2033 }; 2034 2035 // who a write acts as and the role they hold in its repo 2036 pub const Actor = struct { 2037 author: evt.CommitAuthor, 2038 // local mode has no accounts, so it has no user id 2039 user_id: ?[evt.event_id_size]u8 = null, 2040 role: evt.Repo.Role, 2041 // the repo owner's id, which local mode lacks 2042 repo_user_id: ?[evt.event_id_size]u8 = null, 2043 }; 2044 2045 pub const Authorization = union(enum) { 2046 actor: Actor, 2047 login_required, 2048 repo_not_found, 2049 forbidden, 2050 }; 2051 2052 // the account `user_id` names, or null once it has been removed. a user id is 2053 // checked here wherever one enters, so the role lookups can trust theirs. 2054 pub fn activeUser( 2055 moment: evt.AdminDB.HashMap(.read_only), 2056 arena: *std.heap.ArenaAllocator, 2057 user_id: [evt.event_id_size]u8, 2058 ) !?evt.User.Record { 2059 const user = (try evt.User.readById(evt.AdminDB, evt.admin_repo_opts.hash, moment, arena, &user_id)) orelse return null; 2060 return if (user.removed) null else user; 2061 } 2062 2063 // whether the user may write to the repo `identity` names with at least 2064 // `min_role` 2065 pub fn authorizeUser( 2066 io: std.Io, 2067 moment: evt.AdminDB.HashMap(.read_only), 2068 arena: *std.heap.ArenaAllocator, 2069 users_dir: []const u8, 2070 user_id: [evt.event_id_size]u8, 2071 identity: []const u8, 2072 min_role: evt.Repo.Role, 2073 ) !Authorization { 2074 const user = (try activeUser(moment, arena, user_id)) orelse return .login_required; 2075 2076 const owner_repo = evt.parseOwnerRepoPath(identity) orelse return .repo_not_found; 2077 const repo = (try evt.readRepoByOwnerAndName(io, arena.child_allocator, arena, moment, users_dir, owner_repo.owner, owner_repo.name, user_id)) orelse return .repo_not_found; 2078 const role = repo.role; 2079 // a repo the user can't read doesn't exist to them 2080 if (role == .none) return .repo_not_found; 2081 if (!role.atLeast(min_role)) return .forbidden; 2082 return .{ .actor = .{ 2083 .author = .{ .name = user.event.name, .email = user.event.email }, 2084 .user_id = user_id, 2085 .role = role, 2086 .repo_user_id = repo.repo.event.user_id[0..evt.event_id_size].*, 2087 } }; 2088 } 2089 2090 // events created in local mode have no account behind them, so the commit 2091 // author comes from the repo's config, which the global config feeds into. 2092 pub const local_author_fallback = evt.CommitAuthor{ .name = "haxy", .email = "user@haxy" }; 2093 2094 pub fn localAuthor( 2095 src: RepoSource, 2096 io: std.Io, 2097 allocator: std.mem.Allocator, 2098 arena: *std.heap.ArenaAllocator, 2099 ) !evt.CommitAuthor { 2100 switch (src.repo_kind) { 2101 inline else => |repo_kind| { 2102 var any_repo = rp.AnyRepo(repo_kind, .{}).open(io, allocator, src.localInitOpts()) catch return local_author_fallback; 2103 defer any_repo.deinit(io, allocator); 2104 2105 switch (any_repo) { 2106 inline else => |*repo| { 2107 var config = try repo.listConfig(io, allocator); 2108 defer config.deinit(); 2109 2110 const user = config.sections.get("user") orelse return local_author_fallback; 2111 const name = user.get("name") orelse return local_author_fallback; 2112 const email = user.get("email") orelse return local_author_fallback; 2113 return .{ 2114 .name = try arena.allocator().dupe(u8, name), 2115 .email = try arena.allocator().dupe(u8, email), 2116 }; 2117 }, 2118 } 2119 }, 2120 } 2121 } 2122 2123 // per-connection mutable state. each SSH session / web session / local TUI 2124 // run gets its own. 2125 pub const Session = struct { 2126 data: Data = .{}, 2127 // session-lifetime allocations: login/user_id, persisted prefs, queued 2128 // actions. lives as long as the connection. 2129 arena: *std.heap.ArenaAllocator, 2130 // current page's allocations: page data and the page-scoped strings widgets 2131 // build (form actions, links). owned by Nav, swapped on each navigation, so 2132 // it doesn't accumulate over a long-lived session. on the web/wasm paths, 2133 // where a render is one-shot, this points at the same arena as `arena`. 2134 page_arena: *std.heap.ArenaAllocator, 2135 haxy_moment: ?evt.AdminDB.HashMap(.read_only) = null, // db cursor (null on the wasm side) 2136 // filesystem io and the path to <server>/repos, for opening on-disk repos 2137 // during page construction. both null on wasm, which has no filesystem and 2138 // rebuilds pages from the serialized snapshot rather than from disk. 2139 io: ?std.Io = null, 2140 admin_repo: ?*rp.Repo(.xit, evt.admin_repo_opts) = null, 2141 users_dir: ?[]const u8 = null, 2142 // the single on-disk repo this session views, when running in local mode 2143 // (haxy invoked with no arguments inside a repo). null on the server paths, 2144 // which resolve repos from the admin db instead. 2145 local: ?RepoSource = null, 2146 // focus id -> the live TextInput, refreshed each frame by the views that own 2147 // inputs. web/wasm form handling looks widgets up here by focus id. 2148 text_inputs: std.AutoHashMapUnmanaged(usize, *wgt.TextInput) = .empty, 2149 back: enum { unavailable, available, requested } = .unavailable, 2150 refresh_requested: bool = false, // set by input (ctrl+r) 2151 // a requested forward navigation. set this (via navigate) to move to a new 2152 // page; Nav.sync builds it and then copies it into current_page, clearing 2153 // this back to null. setting current_page directly only updates the url and 2154 // does not navigate. 2155 next_page: ?RoutablePage = null, 2156 is_terminal: bool = false, // true on remote SSH and local TUI 2157 color: bool = true, // false when NO_COLOR is set, which also hides the art 2158 // the terminal's reported default background, which the art blends toward 2159 terminal_background: ?Grid.Color.Rgb = null, 2160 // port the web UI is served on, for the TUI/SSH footer's "http://localhost:<port>..." 2161 // url. null on the web itself (no footer there). 2162 web_port: ?u16 = null, 2163 // a host operation requested by a widget 2164 host_request: ?HostRequest = null, 2165 quit_requested: bool = false, 2166 2167 pub const HostRequest = union(enum) { 2168 show_copyable_text: []const u8, 2169 sync_events, 2170 undo: RoutablePage.RepoUndoRoute, 2171 }; 2172 2173 pub const FormFeedback = union(enum) { 2174 pub const LoginFailure = enum { unknown_user, wrong_password }; 2175 pub const ThreadFailure = enum { required_title }; 2176 pub const PatchFailure = enum { 2177 required_title, 2178 invalid_target_branch, 2179 invalid_source_branch, 2180 same_branch, 2181 unrelated_branches, 2182 2183 pub fn fromError(err: anyerror) ?PatchFailure { 2184 return switch (err) { 2185 error.InvalidTargetBranch => .invalid_target_branch, 2186 error.InvalidSourceBranch => .invalid_source_branch, 2187 error.SameBranch => .same_branch, 2188 error.UnrelatedBranches => .unrelated_branches, 2189 else => null, 2190 }; 2191 } 2192 }; 2193 2194 pub const RepoFailure = enum { 2195 required_name, 2196 invalid_name, 2197 name_taken, 2198 2199 pub fn fromError(err: anyerror) ?RepoFailure { 2200 return switch (err) { 2201 error.NameEmpty => .required_name, 2202 error.NameTooLong, error.InvalidName => .invalid_name, 2203 error.NameTaken => .name_taken, 2204 else => null, 2205 }; 2206 } 2207 }; 2208 2209 pub const UserFailure = enum { 2210 required_name, 2211 invalid_name, 2212 name_taken, 2213 required_email, 2214 email_taken, 2215 required_password, 2216 password_mismatch, 2217 2218 pub fn fromError(err: anyerror) ?UserFailure { 2219 return switch (err) { 2220 error.NameEmpty => .required_name, 2221 error.NameTooShort, error.NameTooLong, error.InvalidName => .invalid_name, 2222 error.NameTaken => .name_taken, 2223 error.EmailEmpty => .required_email, 2224 error.EmailTaken => .email_taken, 2225 error.PasswordEmpty => .required_password, 2226 error.PasswordMismatch => .password_mismatch, 2227 else => null, 2228 }; 2229 } 2230 }; 2231 2232 login: struct { 2233 failure: LoginFailure, 2234 username: []const u8, 2235 }, 2236 user: struct { 2237 failure: UserFailure, 2238 // passwords are never retained 2239 fields: struct { 2240 name: []const u8, 2241 email: []const u8, 2242 }, 2243 }, 2244 repo: struct { 2245 failure: RepoFailure, 2246 fields: struct { 2247 name: []const u8, 2248 description: []const u8, 2249 hash: hash.HashKind, 2250 access: evt.Repo.Access, 2251 }, 2252 }, 2253 repo_settings: struct { 2254 failure: RepoFailure, 2255 fields: struct { 2256 name: []const u8, 2257 description: []const u8, 2258 access: evt.Repo.Access, 2259 }, 2260 }, 2261 issue: struct { 2262 failure: ThreadFailure, 2263 fields: ?struct { 2264 title: []const u8, 2265 labels: []const u8, 2266 description: []const u8, 2267 } = null, 2268 }, 2269 patch: struct { 2270 failure: PatchFailure, 2271 fields: ?struct { 2272 title: []const u8, 2273 labels: []const u8, 2274 description: []const u8, 2275 target_branch: []const u8, 2276 source_branch: []const u8 = "", 2277 source_kind: Repo.Patches.Source.Kind = .fork, 2278 } = null, 2279 }, 2280 discussion: struct { 2281 failure: ThreadFailure, 2282 fields: ?struct { 2283 title: []const u8, 2284 labels: []const u8, 2285 description: []const u8, 2286 } = null, 2287 }, 2288 }; 2289 2290 const Self = @This(); 2291 2292 // serializable data sent down to web client 2293 pub const Data = struct { 2294 user_id: ?[]const u8 = null, 2295 // the logged-in user's name, for the views that show it 2296 user_name: ?[]const u8 = null, 2297 // a failed form retained long enough to render it for correction 2298 form_feedback: ?FormFeedback = null, 2299 // a transient local event-sync error 2300 sync_failure: ?[]const u8 = null, 2301 // a failed terminal undo retained on the current tab 2302 undo_failure: ?[]const u8 = null, 2303 current_page: RoutablePage = .default, 2304 // the selected ANSI art. the server serializes one image for WASM so 2305 // the browser does not need the whole build-generated collection. 2306 ansi_art: []const u8 = "", 2307 // the bound git-service ports. absent in local mode, where remote urls 2308 // are not shown. 2309 git_http_port: ?u16 = null, 2310 git_ssh_port: ?u16 = null, 2311 git_ssh_prefix: []const u8 = "", 2312 // whether this session views a local repo or the server. unlike `local` 2313 // (the host-side filesystem source) this travels in the snapshot, so 2314 // the wasm side also parses elided link urls and hides the multi-user 2315 // chrome. 2316 host_kind: evt.HostKind = .server, 2317 }; 2318 2319 pub fn init( 2320 arena: *std.heap.ArenaAllocator, 2321 repo: *rp.Repo(.xit, evt.admin_repo_opts), 2322 data: Data, 2323 ) !Self { 2324 var session = Self{ 2325 .data = data, 2326 .arena = arena, 2327 // until a host swaps in a page-scoped arena (Nav does this), page 2328 // allocations land in the session arena. on the web path that's the 2329 // intended behavior, since the whole arena is per-request. 2330 .page_arena = arena, 2331 .admin_repo = repo, 2332 .haxy_moment = try evt.currentMoment(evt.admin_repo_opts, repo), 2333 }; 2334 try session.loadUser(); 2335 return session; 2336 } 2337 2338 // load the logged-in user's name and persisted preferences from the db 2339 pub fn loadUser(self: *Self) !void { 2340 const user_id = self.userId() orelse return; 2341 const moment = self.haxy_moment orelse return; 2342 const user = (try activeUser(moment, self.arena, user_id)) orelse return self.logOut(); 2343 self.data.user_name = user.event.name; 2344 } 2345 2346 // forget the logged-in user, on a logout or once their account is removed 2347 pub fn logOut(self: *Self) void { 2348 self.data.user_id = null; 2349 self.data.user_name = null; 2350 } 2351 2352 pub fn userId(self: *const Self) ?[evt.event_id_size]u8 { 2353 const bytes = self.data.user_id orelse return null; 2354 if (bytes.len != evt.event_id_size) return null; 2355 var id: [evt.event_id_size]u8 = undefined; 2356 @memcpy(&id, bytes); 2357 return id; 2358 } 2359 2360 pub fn formFeedback(self: *const Self, comptime tag: std.meta.Tag(FormFeedback)) ?@FieldType(FormFeedback, @tagName(tag)) { 2361 const feedback = self.data.form_feedback orelse return null; 2362 if (std.meta.activeTag(feedback) != tag) return null; 2363 return @field(feedback, @tagName(tag)); 2364 } 2365 2366 pub fn clearFormFeedback(self: *Self) void { 2367 self.data.form_feedback = null; 2368 } 2369 2370 // the actor for a write to the repo `identity` names, or null when the 2371 // session may not write there with at least `min_role`. local mode always 2372 // writes. 2373 pub fn authorize(self: *Self, identity: []const u8, min_role: evt.Repo.Role) !?Actor { 2374 if (self.data.host_kind == .local) { 2375 const author = blk: { 2376 const src = self.local orelse break :blk local_author_fallback; 2377 const io = self.io orelse break :blk local_author_fallback; 2378 break :blk try localAuthor(src, io, self.page_arena.child_allocator, self.page_arena); 2379 }; 2380 return .{ .author = author, .role = .owner }; 2381 } 2382 const user_id = self.userId() orelse return null; 2383 // the session's moment predates this input, so read the roles afresh 2384 const admin_repo = self.admin_repo orelse return null; 2385 const io = self.io orelse return null; 2386 const users_dir = self.users_dir orelse return null; 2387 const moment = try evt.currentMoment(evt.admin_repo_opts, admin_repo); 2388 return switch (try authorizeUser(io, moment, self.page_arena, users_dir, user_id, identity, min_role)) { 2389 .actor => |actor| actor, 2390 .login_required, .repo_not_found, .forbidden => null, 2391 }; 2392 } 2393 2394 // where this session's event writes go. a server session always has a users dir 2395 pub fn eventHost(self: *const Self) evt.Host { 2396 return switch (self.data.host_kind) { 2397 .local => .local, 2398 .server => .{ .server = .{ .users_dir = self.users_dir orelse unreachable } }, 2399 }; 2400 } 2401 2402 // reload the moment from the admin repo and log out a removed user 2403 pub fn reloadMoment(self: *Self, allocator: std.mem.Allocator, repo: *rp.Repo(.xit, evt.admin_repo_opts)) !void { 2404 const moment = try evt.currentMoment(evt.admin_repo_opts, repo); 2405 self.haxy_moment = moment; 2406 2407 const user_id = self.userId() orelse return; 2408 var arena = std.heap.ArenaAllocator.init(allocator); 2409 defer arena.deinit(); 2410 if (try activeUser(moment, &arena, user_id) == null) self.logOut(); 2411 } 2412 2413 // request a forward navigation to `route`; the host consumes next_page 2414 // (Nav.sync on the terminal, the wasm tick on the web). 2415 pub fn navigate(self: *Session, route: RoutablePage) !void { 2416 self.clearFormFeedback(); 2417 self.next_page = route; 2418 } 2419 }; 2420 2421 pub fn run(io: std.Io, allocator: std.mem.Allocator, session: *Session, repo_maybe: ?*rp.Repo(.xit, evt.admin_repo_opts)) !void { 2422 var nav = try Nav.init(allocator, session); 2423 defer nav.deinit(allocator); 2424 2425 var terminal = try term.Terminal.init(io, allocator); 2426 terminal.render_state.no_color = !session.color; 2427 var terminal_live = true; 2428 defer if (terminal_live) terminal.deinit(io); 2429 2430 // set term as active so it will be properly cooked 2431 // when a panic/segfault happens 2432 term.setActive(&terminal); 2433 defer term.setActive(null); 2434 2435 try terminal.queryBackground(); 2436 2437 while (!terminal.shouldQuit()) { 2438 const grid_changed = try terminal.render(&nav.root); 2439 2440 // process any inputs. 2441 // 2442 // if the grid didn't change, then first do a blocking 2443 // read, so the thread will sleep until further input. 2444 // after that, all remaining reads are non-blocking so 2445 // we can process the rest of the queued inputs. 2446 // 2447 // if the grid *did* change, then only do non-blocking 2448 // reads. we do not want to sleep the thread because 2449 // there may be an animation that requires more looping. 2450 var blocking = !grid_changed; 2451 while (try terminal.readKey(io, blocking)) |key| { 2452 blocking = false; 2453 try inputKey(allocator, &nav.root, key, session); 2454 } 2455 2456 if (session.host_request) |request| { 2457 session.host_request = null; 2458 switch (request) { 2459 .show_copyable_text => |copyable_text| { 2460 term.setActive(null); 2461 terminal.deinit(io); 2462 terminal_live = false; 2463 showCopyableText(io, copyable_text) catch |show_err| { 2464 terminal = try term.Terminal.init(io, allocator); 2465 terminal_live = true; 2466 term.setActive(&terminal); 2467 return show_err; 2468 }; 2469 terminal = try term.Terminal.init(io, allocator); 2470 terminal.render_state.no_color = !session.color; 2471 terminal_live = true; 2472 term.setActive(&terminal); 2473 }, 2474 .undo => |target| Repo.Undo.handleRequest(allocator, session, target), 2475 .sync_events => { 2476 try nav.root.build(allocator, .{ 2477 .min_size = .{ .width = null, .height = null }, 2478 .max_size = .{ .width = terminal.size.width, .height = terminal.size.height }, 2479 }, nav.root.getFocus()); 2480 _ = try terminal.render(&nav.root); 2481 try Repo.Events.performSync(allocator, session); 2482 }, 2483 } 2484 } 2485 2486 // reload so the next navigation builds its page from the current moment 2487 if (repo_maybe) |repo| try session.reloadMoment(allocator, repo); 2488 2489 // reconcile navigation: forward to a new page, or back on escape. 2490 // the terminal background can change at any time, so recheck it on each page 2491 if (try nav.sync(allocator, session)) try terminal.queryBackground(); 2492 2493 // the quit button (on the quit tab) asks the host to tear down. 2494 if (session.quit_requested) terminal.requestQuit(); 2495 2496 try nav.root.build(allocator, .{ 2497 .min_size = .{ .width = null, .height = null }, 2498 .max_size = .{ .width = terminal.size.width, .height = terminal.size.height }, 2499 }, nav.root.getFocus()); 2500 } 2501 } 2502 2503 fn showCopyableText(io: std.Io, copyable_text: []const u8) !void { 2504 const tty: ?std.Io.File = if (builtin.os.tag == .windows) 2505 null 2506 else 2507 try std.Io.Dir.cwd().openFile(io, "/dev/tty", .{ .mode = .read_write }); 2508 defer if (tty) |file| file.close(io); 2509 2510 const input = if (tty) |file| file else std.Io.File.stdin(); 2511 const output = if (tty) |file| file else std.Io.File.stdout(); 2512 2513 var write_buf: [1024]u8 = undefined; 2514 var writer = output.writer(io, &write_buf); 2515 try writer.interface.print("\x1b[2J\x1b[Hcopy the following text and then press enter to go back:\r\n\r\n{s}\r\n", .{copyable_text}); 2516 try writer.interface.flush(); 2517 2518 var read_buf: [1]u8 = undefined; 2519 var reader = input.reader(io, &read_buf); 2520 while (true) { 2521 const byte = try reader.interface.takeByte(); 2522 if (byte == '\r' or byte == '\n') return; 2523 } 2524 } 2525 2526 pub fn inputKey(allocator: std.mem.Allocator, root: *Widget, key: Key, session: *Session) !void { 2527 const root_focus = root.getFocus(); 2528 const focused_before = root_focus.grandchild_id; 2529 var activate_in_page_link = false; 2530 switch (key) { 2531 // request a navigation pop; the host's Nav.sync goes back a page, or 2532 // quits when there's no history left. 2533 .escape => { 2534 session.back = .requested; 2535 return; 2536 }, 2537 .ctrl => |letter| switch (letter) { 2538 'r' => { 2539 session.refresh_requested = true; 2540 return; 2541 }, 2542 else => try root.input(allocator, key, root_focus), 2543 }, 2544 .enter => { 2545 if (root_focus.grandchild_id) |gid| { 2546 // follow a cross-page link 2547 if (crossPageLink(root_focus, gid, session.data)) |route| { 2548 return session.navigate(route); 2549 } 2550 if (rawLink(root_focus, gid)) |url| return requestRawLink(session, url); 2551 } 2552 activate_in_page_link = true; 2553 try root.input(allocator, key, root_focus); 2554 }, 2555 .mouse => |mouse| { 2556 if (mouse.action == .press and mouse.action.press == .left) { 2557 if (root_focus.hitTest(mouse.x, mouse.y)) |hit| { 2558 const focus_id = hit.id; 2559 if (hit.kind == .background) { 2560 root_focus.setFocus(focus_id); 2561 return; 2562 } 2563 if (widget.isBackButton((root_focus.children.get(focus_id) orelse return).focus)) { 2564 if (session.back == .available) session.back = .requested; 2565 return; 2566 } 2567 // follow a cross-page link 2568 if (crossPageLink(root_focus, focus_id, session.data)) |route| { 2569 return session.navigate(route); 2570 } 2571 if (currentPageLink(root_focus, focus_id, session.data)) return; 2572 if (rawLink(root_focus, focus_id)) |url| { 2573 if (!mouse.ctrl) try requestRawLink(session, url); 2574 return; 2575 } 2576 root_focus.setFocus(focus_id); 2577 activate_in_page_link = true; 2578 } 2579 // forward the press into the widget tree so buttons (and any 2580 // future click-aware widgets) can react. widgets that don't 2581 // care about presses ignore it. 2582 try root.input(allocator, key, root_focus); 2583 } else { 2584 try root.input(allocator, key, root_focus); 2585 } 2586 }, 2587 .event => |event| switch (event) { 2588 .background => |rgb| session.terminal_background = rgb, 2589 .resize => try root.input(allocator, key, root_focus), 2590 }, 2591 else => try root.input(allocator, key, root_focus), 2592 } 2593 2594 const focused_after = root_focus.grandchild_id; 2595 if (!activate_in_page_link and focused_before == focused_after) return; 2596 const focus_id = focused_after orelse return; 2597 if (inPageLink(root_focus, focus_id, session.data)) |route| session.data.current_page = route; 2598 } 2599 2600 // a link to bytes the server serves directly rather than to a page route, so 2601 // it never resolves to a RoutablePage 2602 pub const raw_link_prefix = "ax:"; 2603 2604 // a route already loaded into the current page; focusing it changes the url 2605 // without rebuilding the page 2606 pub const in_page_link_prefix = "ai:"; 2607 2608 // an in-page tab's base route, or the exact current route when it is selected 2609 pub fn inPageTabLink(session: *Session, route: RoutablePage, selected: bool) ![]const u8 { 2610 const target = if (selected) session.data.current_page else route; 2611 return std.fmt.allocPrint(session.page_arena.allocator(), "{s}{s}", .{ in_page_link_prefix, try target.toUrl(session.page_arena) }); 2612 } 2613 2614 // a button the web renderer covers with a file picker that posts the chosen 2615 // file to the url after the prefix 2616 pub const file_input_prefix = "file:"; 2617 2618 // a submit button that overrides its enclosing form's action 2619 pub const submit_action_prefix = "submit:"; 2620 2621 // one option of a radio field, as `radio:<name>=<value>` 2622 pub const radio_prefix = "radio:"; 2623 2624 // the url an `ax:` link points at, or null for anything else. a host that 2625 // suppresses the anchor's own navigation needs this to follow the link. 2626 pub fn rawLink(root_focus: *Focus, focus_id: usize) ?[]const u8 { 2627 const child = root_focus.children.get(focus_id) orelse return null; 2628 const custom = switch (child.focus.kind) { 2629 .custom => |c| c, 2630 else => return null, 2631 }; 2632 if (!std.mem.startsWith(u8, custom, raw_link_prefix)) return null; 2633 return custom[raw_link_prefix.len..]; 2634 } 2635 2636 fn requestRawLink(session: *Session, url: []const u8) !void { 2637 session.host_request = .{ .show_copyable_text = try terminalWebUrl(session.page_arena.allocator(), session, url) }; 2638 } 2639 2640 pub fn terminalWebUrl(allocator: std.mem.Allocator, session: *const Session, path: []const u8) ![]const u8 { 2641 // an absolute url is already complete 2642 if (!std.mem.startsWith(u8, path, "/")) return path; 2643 return if (session.web_port) |port| 2644 try std.fmt.allocPrint(allocator, "http://localhost:{d}{s}", .{ port, path }) 2645 else 2646 path; 2647 } 2648 2649 // if the focus target at focus_id is an `a:` link that should navigate (a 2650 // different parent page, or a different files directory within the repo page), 2651 // return its route; otherwise null. lets a host turn a click / enter on such a 2652 // link into a navigation rather than a focus change. 2653 pub fn crossPageLink(root_focus: *Focus, focus_id: usize, data: Session.Data) ?RoutablePage { 2654 const current = data.current_page; 2655 const route = pageLink(root_focus, focus_id, data, "a:") orelse return null; 2656 // a link to a different parent page always navigates; within a page, a 2657 // files-directory / commits-page / list-window change navigates while tab 2658 // links stay in-page. 2659 if (route.parent() != current.parent() or RoutablePage.repoPageChanged(route, current) or RoutablePage.forkPageChanged(route, current) or RoutablePage.homePageChanged(route, current) or RoutablePage.userPageChanged(route, current)) return route; 2660 return null; 2661 } 2662 2663 // whether the `a:` focus target links to the page already shown, which a click 2664 // leaves alone rather than focusing 2665 pub fn currentPageLink(root_focus: *Focus, focus_id: usize, data: Session.Data) bool { 2666 const route = pageLink(root_focus, focus_id, data, "a:") orelse return false; 2667 return route.eql(data.current_page); 2668 } 2669 2670 // the route carried by an `ai:` focus target, or null for any other target 2671 pub fn inPageLink(root_focus: *Focus, focus_id: usize, data: Session.Data) ?RoutablePage { 2672 return pageLink(root_focus, focus_id, data, in_page_link_prefix); 2673 } 2674 2675 fn pageLink(root_focus: *Focus, focus_id: usize, data: Session.Data, prefix: []const u8) ?RoutablePage { 2676 const child = root_focus.children.get(focus_id) orelse return null; 2677 const custom = switch (child.focus.kind) { 2678 .custom => |c| c, 2679 else => return null, 2680 }; 2681 if (!std.mem.startsWith(u8, custom, prefix)) return null; 2682 const path = custom[prefix.len..]; 2683 // local sessions build (and parse) links with the repo identity elided 2684 return if (data.host_kind == .local) RoutablePage.fromUrlLocal(path) else RoutablePage.fromUrl(path); 2685 } 2686 2687 // a display author, resolved against the admin db at read time 2688 pub const Author = union(enum) { 2689 unknown, 2690 email: []const u8, // an email no user matches 2691 user_name: []const u8, 2692 2693 // the commit author line's email, resolved like initFromEmail 2694 pub fn init( 2695 haxy_moment: ?evt.AdminDB.HashMap(.read_only), 2696 arena: *std.heap.ArenaAllocator, 2697 author_line: []const u8, 2698 ) !Author { 2699 return initFromEmail(haxy_moment, arena, evt.authorEmail(author_line)); 2700 } 2701 2702 // from a record's stored author email: it resolves to the user currently 2703 // holding it, else stays the email. the result is allocated in `arena`, 2704 // so the email may borrow transient memory. 2705 pub fn initFromEmail( 2706 haxy_moment: ?evt.AdminDB.HashMap(.read_only), 2707 arena: *std.heap.ArenaAllocator, 2708 author_email: ?[]const u8, 2709 ) !Author { 2710 const email = author_email orelse return .unknown; 2711 if (haxy_moment) |moment| { 2712 if (try evt.User.readByEmail(evt.AdminDB, evt.admin_repo_opts.hash, moment, arena, email)) |user| { 2713 return .{ .user_name = user.name }; 2714 } 2715 } 2716 return .{ .email = try arena.allocator().dupe(u8, email) }; 2717 } 2718 }; 2719 2720 // the "a:" link to user `name`'s page. 2721 pub fn userLink(page_arena: *std.heap.ArenaAllocator, name: []const u8) ![]const u8 { 2722 const parsed = RoutablePage.Array(evt.User.name_max_len).from(name) orelse return error.RouteTooLong; 2723 const url = try (RoutablePage{ .user_repos = .{ .name = parsed } }).toUrl(page_arena); 2724 return std.fmt.allocPrint(page_arena.allocator(), "a:{s}", .{url}); 2725 } 2726 2727 // a focusable " author " box showing `author`, linking to their user page 2728 // when it is a known user 2729 pub fn authorBox(allocator: std.mem.Allocator, page_arena: *std.heap.ArenaAllocator, author: Author) !wgt.TextBox { 2730 const text = switch (author) { 2731 .unknown => "", 2732 .email, .user_name => |t| t, 2733 }; 2734 var tb = try wgt.TextBox.init(allocator, text, .{ .border_style = .single, .round_corners = true, .wrap_kind = .none, .label = " author " }); 2735 errdefer tb.deinit(allocator); 2736 tb.getFocus().mode = .all; 2737 switch (author) { 2738 .user_name => |name| tb.getFocus().kind = .{ .custom = try userLink(page_arena, name) }, 2739 else => {}, 2740 } 2741 return tb; 2742 } 2743 2744 // native-TUI navigation 2745 pub const Nav = struct { 2746 root: Widget, 2747 // backs the current page (its Page data and the page-scoped strings its 2748 // widgets build). owned here, swapped on each navigation. session.page_arena 2749 // tracks whichever of these is current so widgets allocate into it. 2750 arena: *std.heap.ArenaAllocator, 2751 // the login the current root was built for 2752 user_id: ?[evt.event_id_size]u8, 2753 history: std.ArrayList(Entry), 2754 2755 // each retained page keeps its own arena, freed when the page leaves the 2756 // stack (popped on back, evicted at cap, or on deinit). this is what keeps a 2757 // long-lived session from accumulating every page it ever visited. 2758 const Entry = struct { root: Widget, route: RoutablePage, arena: *std.heap.ArenaAllocator, user_id: ?[evt.event_id_size]u8 }; 2759 2760 // cap on retained back-history so the chain can't grow memory without bound 2761 const max_history: usize = 16; 2762 2763 pub fn init(allocator: std.mem.Allocator, session: *Session) !Nav { 2764 session.back = .unavailable; 2765 const arena = try allocator.create(std.heap.ArenaAllocator); 2766 arena.* = std.heap.ArenaAllocator.init(allocator); 2767 errdefer { 2768 arena.deinit(); 2769 allocator.destroy(arena); 2770 } 2771 2772 return .{ 2773 .root = try initCurrentRoot(allocator, arena, session), 2774 .arena = arena, 2775 .user_id = session.userId(), 2776 .history = .empty, 2777 }; 2778 } 2779 2780 pub fn deinit(self: *Nav, allocator: std.mem.Allocator) void { 2781 self.root.deinit(allocator); 2782 freeArena(allocator, self.arena); 2783 for (self.history.items) |*entry| { 2784 entry.root.deinit(allocator); 2785 freeArena(allocator, entry.arena); 2786 } 2787 self.history.deinit(allocator); 2788 } 2789 2790 // rebuild the current page in place from a current moment 2791 fn rebuild(self: *Nav, allocator: std.mem.Allocator, session: *Session) !void { 2792 if (session.haxy_moment == null and session.local == null) return; 2793 const arena = try allocator.create(std.heap.ArenaAllocator); 2794 arena.* = std.heap.ArenaAllocator.init(allocator); 2795 errdefer freeArena(allocator, arena); 2796 2797 const new_root = try initCurrentRoot(allocator, arena, session); 2798 2799 self.root.deinit(allocator); 2800 freeArena(allocator, self.arena); 2801 self.root = new_root; 2802 self.arena = arena; 2803 self.user_id = session.userId(); 2804 } 2805 2806 // build the current page's root in `arena`, or the not-found page's when 2807 // the route names nothing 2808 fn initCurrentRoot(allocator: std.mem.Allocator, arena: *std.heap.ArenaAllocator, session: *Session) !Widget { 2809 session.page_arena = arena; 2810 const page = try arena.allocator().create(Page); 2811 page.* = Page.init(arena, session, session.data.current_page) catch |err| switch (err) { 2812 error.NotFound => blk: { 2813 session.data.current_page = .not_found; 2814 break :blk .not_found; 2815 }, 2816 else => |e| return e, 2817 }; 2818 return initRoot(allocator, page, session); 2819 } 2820 2821 fn freeArena(allocator: std.mem.Allocator, arena: *std.heap.ArenaAllocator) void { 2822 arena.deinit(); 2823 allocator.destroy(arena); 2824 } 2825 2826 // reconcile the displayed root with the session's navigation state. a 2827 // forward nav (current_page moved to a different parent page) pushes the 2828 // current root and builds the new page in a fresh arena; a back request 2829 // frees the current page and restores the previous one. when escape is 2830 // pressed with no history left we switch to the quit tab instead of quitting. 2831 // returns whether the root was replaced. 2832 pub fn sync(self: *Nav, allocator: std.mem.Allocator, session: *Session) !bool { 2833 // refresh: rebuild the current page in place from a current moment 2834 if (session.refresh_requested) { 2835 session.refresh_requested = false; 2836 try self.rebuild(allocator, session); 2837 return true; 2838 } 2839 2840 if (session.back == .requested) { 2841 if (self.history.pop()) |entry| { 2842 session.back = if (self.history.items.len == 0) .unavailable else .available; 2843 self.root.deinit(allocator); 2844 freeArena(allocator, self.arena); 2845 self.root = entry.root; 2846 self.arena = entry.arena; 2847 self.user_id = entry.user_id; 2848 session.page_arena = entry.arena; 2849 session.data.current_page = entry.route; 2850 // a page built under another login is rebuilt rather than restored 2851 if (!std.meta.eql(entry.user_id, session.userId())) { 2852 try self.rebuild(allocator, session); 2853 return true; 2854 } 2855 chooseAnsiArtForNavigation(session); 2856 return true; 2857 } 2858 session.back = .unavailable; 2859 // nothing to go back to; switch to the quit confirmation 2860 const root_focus = self.root.getFocus(); 2861 var iter = root_focus.children.iterator(); 2862 while (iter.next()) |entry| { 2863 switch (entry.value_ptr.focus.kind) { 2864 .custom => |custom| if (std.mem.eql(u8, custom, Quit.tab_kind)) { 2865 root_focus.setFocus(entry.key_ptr.*); 2866 // a Stack only builds its selected child, so the quit 2867 // button isn't in the focus tree until a build runs with 2868 // the quit tab selected. build once, then send a 2869 // synthetic arrow_down to drop focus from the tab onto 2870 // the button so it's ready to confirm. 2871 try self.root.build(allocator, .{ 2872 .min_size = .{ .width = null, .height = 40 }, 2873 .max_size = .{ .width = 80, .height = null }, 2874 }, root_focus); 2875 try self.root.input(allocator, .arrow_down, root_focus); 2876 break; 2877 }, 2878 else => {}, 2879 } 2880 } 2881 return false; 2882 } 2883 2884 // forward navigation: navigate() set next_page to the page to move to (a 2885 // cross-page link or tab change crossing pages) 2886 if (session.next_page) |route| { 2887 session.next_page = null; 2888 if (session.haxy_moment == null and session.local == null) return false; 2889 const previous_route = session.data.current_page; 2890 // the page we navigated to becomes the current page 2891 session.data.current_page = route; 2892 session.back = .available; 2893 2894 const arena = try allocator.create(std.heap.ArenaAllocator); 2895 arena.* = std.heap.ArenaAllocator.init(allocator); 2896 errdefer freeArena(allocator, arena); 2897 2898 const new_root = try initCurrentRoot(allocator, arena, session); 2899 2900 try self.history.append(allocator, .{ .root = self.root, .route = previous_route, .arena = self.arena, .user_id = self.user_id }); 2901 // drop the oldest entry (freeing its widget tree and arena) once over cap 2902 if (self.history.items.len > max_history) { 2903 var oldest = self.history.orderedRemove(0); 2904 oldest.root.deinit(allocator); 2905 freeArena(allocator, oldest.arena); 2906 } 2907 self.root = new_root; 2908 self.arena = arena; 2909 self.user_id = session.userId(); 2910 return true; 2911 } 2912 return false; 2913 } 2914 }; 2915 2916 pub fn initRoot(allocator: std.mem.Allocator, page: *const Page, session: *Session) !Widget { 2917 const page_widget: Widget = switch (page.*) { 2918 .home => |*p| .{ .home = try .init(allocator, p, session) }, 2919 .user => |*p| .{ .user = try .init(allocator, p, session) }, 2920 .repo => |*p| .{ .repo = try .init(allocator, p, session) }, 2921 .fork => |*p| .{ .fork = try .init(allocator, p, session) }, 2922 .not_found => .{ .not_found = try .init(allocator, session) }, 2923 }; 2924 2925 chooseAnsiArtForNavigation(session); 2926 2927 // on the TUI/SSH, the page sits above a one-row footer showing its web 2928 // url, when there's a web UI to point at 2929 var root = if (session.is_terminal) blk: { 2930 var box = try wgt.Box(Widget).init(allocator, .{ .border_style = null, .direction = .vert }); 2931 errdefer box.deinit(allocator); 2932 const bg_id = bg_blk: { 2933 var background = try widget.AnsiBackground.init(allocator, page_widget, session); 2934 errdefer background.deinit(allocator); 2935 const id = background.getFocus().id; 2936 try box.children.put(allocator, id, .{ .widget = .{ .background = background }, .rect = null, .min_size = null }); 2937 break :bg_blk id; 2938 }; 2939 if (session.web_port != null) { 2940 var footer = try widget.Footer.init(allocator, session); 2941 errdefer footer.deinit(allocator); 2942 try box.children.put(allocator, footer.getFocus().id, .{ .widget = .{ .footer = footer }, .rect = null, .min_size = .{ .width = null, .height = 1 } }); 2943 } 2944 box.getFocus().child_id = bg_id; 2945 break :blk Widget{ .box = box }; 2946 } else Widget{ .background = try widget.AnsiBackground.init(allocator, page_widget, session) }; 2947 errdefer root.deinit(allocator); 2948 2949 // input-owning views build their TextInputs in init, so reset their 2950 // registrations here 2951 session.text_inputs.clearRetainingCapacity(); 2952 2953 try root.build(allocator, .{ 2954 .min_size = .{ .width = null, .height = 40 }, 2955 .max_size = .{ .width = 100, .height = null }, 2956 }, root.getFocus()); 2957 2958 return root; 2959 } 2960 2961 // native and server-side sessions choose from the embedded collection. WASM 2962 // keeps the art serialized by the server instead. 2963 fn chooseAnsiArtForNavigation(session: *Session) void { 2964 if (comptime ansi_art.art.len == 0) return; 2965 if (session.data.current_page == .not_found) { 2966 session.data.ansi_art = ansi_art.not_found; 2967 return; 2968 } 2969 const io = session.io orelse return; 2970 var random: usize = undefined; 2971 io.random(std.mem.asBytes(&random)); 2972 session.data.ansi_art = ansi_art.art[random % ansi_art.art.len]; 2973 } 2974