╭─────────────╮ │scroll to top│ ╰─────────────╯ ╭ ui.zig ───────────────────────────────────────────────────────╮ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ 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🬐 🬠 🬞🬂🬏 🬟 🬑 🬟 🬑 ╭be7f2b85..╮ be7f2b85.. see-em: 🬋🬋🬋 🬋🬋🬋 🬋 🬋 │files │ commits refs discuss issues new login 🬐 🬠 🬐 🬠 🬑 🬟 🬰 ╰──────────╯ (629) user
╭────╮ ╭ clone ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╮ │http│ ssh │ │ ╰────╯ ╰ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╯
.. embed/ event/ test/ ui/ command.zig diff3.zig event.zig find.zig fork.zig lib.zig main.zig main_wasm.zig markdown.zig patch.zig progress.zig push.zig search.zig search_commit.zig search_thread.zig serve.zig serve_common.zig serve_http.zig serve_ssh.zig serve_ssh_protocol.zig test.zig testnet.zig try.zig ╭─────────────────────────────────╮ │ui.zig │ ╰─────────────────────────────────╯ web.zig
1495 var params = Params{}; 1496 if (std.mem.eql(u8, tab, "repo")) return if (isNewTail(&segments)) .{ .repo_repo_new = Array(repo_route_max_len).from(pair) orelse return null } else null; 1497 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; 1498 if (std.mem.eql(u8, tab, "refs")) { 1499 const word = params.scanTail(&segments) catch return null; 1500 if (word != null or !params.only(&.{ .branch, .tag, .search })) return null; 1501 const ref = params.ref() catch return null; 1502 const kind: RefKind = if (ref) |r| std.meta.stringToEnum(RefKind, @tagName(r.kind)) orelse return null else .branch; 1503 const from = if (ref) |r| r.value else ""; 1504 return withEncodedSearch(repoRefsRoute(pair, kind, from), params.values.get(.search) orelse ""); 1505 } 1506 if (std.mem.startsWith(u8, tab, issue_seg)) { 1507 const issue_id = tab[issue_seg.len..]; 1508 if (issue_id.len == 0) return null; 1509 if (segments.peek()) |tail| { 1510 if (std.mem.startsWith(u8, tail, comment_seg)) { 1511 _ = segments.next(); 1512 const comment_id = tail[comment_seg.len..]; 1513 if (comment_id.len == 0) return null; 1514 const word = params.scanTail(&segments) catch return null; 1515 if (word) |last| { 1516 if (!params.only(&.{})) return null; 1517 if (std.mem.eql(u8, last, "new")) return repoThreadCommentNewRoute(.issue, pair, issue_id, comment_id); 1518 if (std.mem.eql(u8, last, "edit")) return repoThreadCommentEditRoute(.issue, pair, issue_id, comment_id); 1519 if (std.mem.eql(u8, last, "remove")) return repoThreadRemoveRoute(.issue, pair, issue_id, comment_id); 1520 return null; 1521 } 1522 if (!params.only(&.{.start})) return null; 1523 return repoThreadCommentRoute(.issue, pair, issue_id, comment_id, params.start() orelse return null); 1524 } 1525 } 1526 const word = params.scanTail(&segments) catch return null; 1527 if (word) |tail| { 1528 if (std.mem.eql(u8, tail, "new")) return if (params.only(&.{})) repoThreadCommentNewRoute(.issue, pair, issue_id, "") else null; 1529 if (std.mem.eql(u8, tail, "edit")) return if (params.only(&.{})) repoThreadEditRoute(.issue, pair, issue_id) else null; 1530 if (std.mem.eql(u8, tail, "remove")) return if (params.only(&.{})) repoThreadRemoveRoute(.issue, pair, issue_id, "") else null; 1531 if (std.mem.eql(u8, tail, "description")) return if (params.only(&.{})) repoThreadDescriptionRoute(.issue, pair, issue_id) else null; 1532 if (std.mem.eql(u8, tail, "resolve")) { 1533 if (!params.only(&.{.theirs})) return null; 1534 return repoIssuesResolveRoute(pair, issue_id, params.values.get(.theirs) orelse ""); 1535 } 1536 return null; 1537 } 1538 if (!params.only(&.{ .start, .label, .search })) return null; 1539 return withEncodedFilters(repoThreadCommentsRoute(.issue, pair, issue_id, params.start() orelse return null), params.values.get(.label) orelse "", params.values.get(.search) orelse ""); 1540 } 1541 if (std.mem.startsWith(u8, tab, patch_seg)) { 1542 const patch_id = tab[patch_seg.len..]; 1543 if (patch_id.len == 0) return null; 1544 if (segments.peek()) |tail| { 1545 if (std.mem.startsWith(u8, tail, comment_seg)) { 1546 _ = segments.next(); 1547 const comment_id = tail[comment_seg.len..]; 1548 if (comment_id.len == 0) return null; 1549 const word = params.scanTail(&segments) catch return null; 1550 if (word) |last| { 1551 if (!params.only(&.{})) return null; 1552 if (std.mem.eql(u8, last, "new")) return repoThreadCommentNewRoute(.patch, pair, patch_id, comment_id); 1553 if (std.mem.eql(u8, last, "edit")) return repoThreadCommentEditRoute(.patch, pair, patch_id, comment_id); 1554 if (std.mem.eql(u8, last, "remove")) return repoThreadRemoveRoute(.patch, pair, patch_id, comment_id); 1555 return null; 1556 } 1557 if (!params.only(&.{.start})) return null; 1558 return repoThreadCommentRoute(.patch, pair, patch_id, comment_id, params.start() orelse return null); 1559 } 1560 } 1561 const word = params.scanTail(&segments) catch return null; 1562 if (word) |tail| { 1563 if (std.mem.eql(u8, tail, "new")) return if (params.only(&.{})) repoThreadCommentNewRoute(.patch, pair, patch_id, "") else null; 1564 if (std.mem.eql(u8, tail, "edit")) return if (params.only(&.{})) repoThreadEditRoute(.patch, pair, patch_id) else null; 1565 if (std.mem.eql(u8, tail, "publish")) return if (params.only(&.{})) repoPatchPublishRoute(pair, patch_id) else null; 1566 if (std.mem.eql(u8, tail, "merge")) return if (params.only(&.{})) repoPatchMergeRoute(pair, patch_id) else null; 1567 if (std.mem.eql(u8, tail, "remove")) return if (params.only(&.{})) repoThreadRemoveRoute(.patch, pair, patch_id, "") else null; 1568 if (std.mem.eql(u8, tail, "description")) return if (params.only(&.{})) repoThreadDescriptionRoute(.patch, pair, patch_id) else null; 1569 if (std.mem.eql(u8, tail, "resolve")) { 1570 if (!params.only(&.{.theirs})) return null; 1571 return repoPatchesResolveRoute(pair, patch_id, params.values.get(.theirs) orelse ""); 1572 } 1573 return null; 1574 } 1575 if (!params.only(&.{ .start, .label, .search })) return null; 1576 return withEncodedFilters(repoThreadCommentsRoute(.patch, pair, patch_id, params.start() orelse return null), params.values.get(.label) orelse "", params.values.get(.search) orelse ""); 1577 } 1578 if (std.mem.startsWith(u8, tab, discuss_seg)) { 1579 const discussion_id = tab[discuss_seg.len..]; 1580 if (discussion_id.len == 0) return null; 1581 if (segments.peek()) |tail| { 1582 if (std.mem.startsWith(u8, tail, comment_seg)) { 1583 _ = segments.next(); 1584 const comment_id = tail[comment_seg.len..]; 1585 if (comment_id.len == 0) return null; 1586 const word = params.scanTail(&segments) catch return null; 1587 if (word) |last| { 1588 if (!params.only(&.{})) return null; 1589 if (std.mem.eql(u8, last, "new")) return repoThreadCommentNewRoute(.discuss, pair, discussion_id, comment_id); 1590 if (std.mem.eql(u8, last, "edit")) return repoThreadCommentEditRoute(.discuss, pair, discussion_id, comment_id); 1591 if (std.mem.eql(u8, last, "remove")) return repoThreadRemoveRoute(.discuss, pair, discussion_id, comment_id); 1592 return null; 1593 } 1594 if (!params.only(&.{.start})) return null; 1595 return repoThreadCommentRoute(.discuss, pair, discussion_id, comment_id, params.start() orelse return null); 1596 } 1597 } 1598 const word = params.scanTail(&segments) catch return null; 1599 if (word) |tail| { 1600 if (std.mem.eql(u8, tail, "new")) return if (params.only(&.{})) repoThreadCommentNewRoute(.discuss, pair, discussion_id, "") else null; 1601 if (std.mem.eql(u8, tail, "edit")) return if (params.only(&.{})) repoThreadEditRoute(.discuss, pair, discussion_id) else null; 1602 if (std.mem.eql(u8, tail, "remove")) return if (params.only(&.{})) repoThreadRemoveRoute(.discuss, pair, discussion_id, "") else null; 1603 if (std.mem.eql(u8, tail, "description")) return if (params.only(&.{})) repoThreadDescriptionRoute(.discuss, pair, discussion_id) else null; 1604 return null; 1605 } 1606 if (!params.only(&.{ .start, .label, .search })) return null; 1607 return withEncodedFilters(repoThreadCommentsRoute(.discuss, pair, discussion_id, params.start() orelse return null), params.values.get(.label) orelse "", params.values.get(.search) orelse ""); 1608 } 1609 if (std.mem.eql(u8, tab, "issues")) { 1610 // the word is a list view; a filter with neither is never emitted. 1611 const word = params.scanTail(&segments) catch return null; 1612 const label_value = params.values.get(.label) orelse ""; 1613 const w = word orelse return if (params.only(&.{})) repoIssuesRoute(pair, .open, "", "") else null; 1614 // the conflicts list windows by an issue id, not a number, so it 1615 // reads the start param raw 1616 if (std.mem.eql(u8, w, "conflicts")) { 1617 if (!params.only(&.{.start})) return null; 1618 return repoIssuesConflictsRoute(pair, params.values.get(.start) orelse ""); 1619 } 1620 if (!params.only(&.{ .label, .search })) return null; 1621 const search_value = params.values.get(.search) orelse ""; 1622 if (std.meta.stringToEnum(evt.Issue.Status, w)) |status| return withEncodedSearch(repoIssuesRoute(pair, status, label_value, ""), search_value); 1623 if (std.mem.eql(u8, w, "labels")) return withEncodedSearch(repoThreadLabelsRoute(.issue, pair, label_value), search_value); 1624 if (std.mem.eql(u8, w, "new")) return if (label_value.len == 0 and search_value.len == 0) repoThreadNewRoute(.issue, pair) else null; 1625 return null; 1626 } 1627 if (std.mem.eql(u8, tab, "patches")) { 1628 const word = params.scanTail(&segments) catch return null; 1629 const label_value = params.values.get(.label) orelse ""; 1630 const view = word orelse return if (params.only(&.{})) repoPatchesRoute(pair, .open, "", "") else null; 1631 if (std.mem.eql(u8, view, "conflicts")) { 1632 if (!params.only(&.{.start})) return null; 1633 return repoPatchesConflictsRoute(pair, params.values.get(.start) orelse ""); 1634 } 1635 if (!params.only(&.{ .label, .search })) return null; 1636 const search_value = params.values.get(.search) orelse ""; 1637 if (std.meta.stringToEnum(evt.Patch.StatusKind, view)) |status| return withEncodedSearch(repoPatchesRoute(pair, status, label_value, ""), search_value); 1638 if (std.mem.eql(u8, view, "labels")) return withEncodedSearch(repoThreadLabelsRoute(.patch, 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(.patch, pair) else null; 1640 if (std.mem.eql(u8, view, "drafts")) return if (label_value.len == 0 and search_value.len == 0) repoPatchesDraftsRoute(pair) else null; 1641 return null; 1642 } 1643 if (std.mem.eql(u8, tab, "discussions")) { 1644 const word = params.scanTail(&segments) catch return null; 1645 const label_value = params.values.get(.label) orelse ""; 1646 const view = word orelse return if (params.only(&.{})) repoDiscussionsRoute(pair, "", "") else null; 1647 if (!params.only(&.{ .label, .search })) return null; 1648 const search_value = params.values.get(.search) orelse ""; 1649 if (std.mem.eql(u8, view, "recent")) return withEncodedSearch(repoDiscussionsRoute(pair, label_value, ""), search_value); 1650 if (std.mem.eql(u8, view, "labels")) return withEncodedSearch(repoThreadLabelsRoute(.discuss, pair, label_value), search_value); 1651 if (std.mem.eql(u8, view, "new")) return if (label_value.len == 0 and search_value.len == 0) repoThreadNewRoute(.discuss, pair) else null; 1652 return null; 1653 } 1654 if (std.mem.eql(u8, tab, "undo")) { 1655 const word = segments.next(); 1656 if (segments.next() != null) return null; 1657 const value = word orelse return repoUndoRoute(pair, null); 1658 if (std.mem.eql(u8, value, "clear")) return repoUndoClearRoute(pair); 1659 return repoUndoRoute(pair, std.fmt.parseInt(u64, value, 10) catch return null); 1660 } 1661 if (std.mem.eql(u8, tab, "events")) { 1662 const word = params.scanTail(&segments) catch return null; 1663 if (!params.only(&.{.moment})) return null; 1664 const view = if (word) |value| std.meta.stringToEnum(EventsView, value) orelse return null else .active; 1665 return repoEventsRoute(pair, view, null, "", params.moment() catch return null); 1666 } 1667 if (std.mem.startsWith(u8, tab, "event:")) { 1668 const event_id = tab["event:".len..]; 1669 const kind_segment = segments.next() orelse return null; 1670 if (!std.mem.startsWith(u8, kind_segment, "kind:")) return null; 1671 const kind = std.meta.stringToEnum(evt.EventKind, kind_segment["kind:".len..]) orelse return null; 1672 if (event_id.len == 0) return null; 1673 params.scanPairs(&segments) catch return null; 1674 if (!params.only(&.{.moment}) or segments.next() != null) return null; 1675 return repoEventsRoute(pair, .active, kind, event_id, params.moment() catch return null); 1676 } 1677 if (std.mem.eql(u8, tab, files_seg)) { 1678 params.scanPairs(&segments) catch return null; 1679 if (params.values.get(.patchrev)) |id| { 1680 if (!params.only(&.{ .line, .patchrev })) return null; 1681 return repoPatchRevFilesRoute(pair, id, pathValue(segments.rest()) orelse return null, params.line() orelse return null); 1682 } 1683 if (!params.only(&.{ .line, .branch, .tag, .object, .find })) return null; 1684 const line = params.line() orelse return null; 1685 const dir = pathValue(segments.rest()) orelse return null; 1686 const find = params.values.get(.find) orelse ""; 1687 const ref = params.ref() catch return null; 1688 // a find route's `path` names the selected result, so unlike a 1689 // directory path it doesn't need a ref beside it 1690 var route = if (ref) |r| 1691 repoFilesRoute(pair, r.kind, r.value, dir, line) orelse return null 1692 else if (dir.len == 0 or find.len != 0) 1693 repoFilesRoute(pair, null, "", "", line) orelse return null 1694 else 1695 return null; 1696 if (find.len != 0) { 1697 route.repo_files.find = Array(find_route_max_len).from(find) orelse return null; 1698 route.repo_files.path = Array(repo_route_max_len).from(dir) orelse return null; 1699 } 1700 return route; 1701 } 1702 if (std.mem.eql(u8, tab, commits_seg)) { 1703 params.scanPairs(&segments) catch return null; 1704 if (params.values.get(.merge)) |oid| { 1705 if (!params.only(&.{.merge}) or segments.next() != null) return null; 1706 return repoCommitsMergeRoute(pair, oid); 1707 } 1708 if (!params.only(&.{ .branch, .tag, .object, .base, .search, .from })) return null; 1709 const base_oid = params.values.get(.base) orelse ""; 1710 const search = params.values.get(.search) orelse ""; 1711 const from = params.values.get(.from) orelse ""; 1712 const ref = (params.ref() catch return null) orelse { 1713 if (search.len != 0 or from.len != 0 or segments.rest().len != 0) return null; 1714 return repoCommitsRoute(pair, null, "", base_oid); 1715 }; 1716 // the index covers branch and tag tips, so only they can be 1717 // searched or paged by commit; an object roots the list itself 1718 if ((search.len != 0 or from.len != 0) and ref.kind == .object) return null; 1719 var route = if (std.mem.eql(u8, segments.rest(), message_seg)) 1720 repoCommitMessageRoute(pair, ref.kind, ref.value, base_oid) orelse return null 1721 else if (segments.rest().len == 0) 1722 repoCommitsRoute(pair, ref.kind, ref.value, base_oid) orelse return null 1723 else 1724 return null; 1725 if (search.len != 0) route.repo_commits.search = Array(search_route_max_len).from(search) orelse return null; 1726 if (from.len != 0) route.repo_commits.from = Array(ref_route_max_len).from(from) orelse return null; 1727 return route; 1728 } 1729 if (std.mem.eql(u8, tab, "diff")) { 1730 params.scanPairs(&segments) catch return null; 1731 if (params.values.get(.patchrev)) |id| { 1732 if (!params.only(&.{ .start, .patchrev })) return null; 1733 return repoPatchRevDiffRoute(pair, id, params.start() orelse return null, pathValue(segments.rest()) orelse return null); 1734 } 1735 if (!params.only(&.{ .start, .branch, .tag, .object, .base })) return null; 1736 const base_oid = params.values.get(.base) orelse return null; 1737 const start = params.start() orelse return null; 1738 const ref = params.ref() catch return null; 1739 const file = pathValue(segments.rest()) orelse return null; 1740 return repoDiffRoute(pair, if (ref) |r| r.kind else null, if (ref) |r| r.value else "", start, file, base_oid); 1741 } 1742 return null; // unknown sub-path 1743 } 1744 1745 pub fn eql(a: RoutablePage, b: RoutablePage) bool { 1746 if (std.meta.activeTag(a) != std.meta.activeTag(b)) return false; 1747 return switch (a) { 1748 .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()), 1749 .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()), 1750 .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, 1751 .user_repo_new => |a_name| std.mem.eql(u8, a_name.slice(), b.user_repo_new.slice()), 1752 .user_user_new => |a_name| std.mem.eql(u8, a_name.slice(), b.user_user_new.slice()), 1753 .user_user => |a_name| std.mem.eql(u8, a_name.slice(), b.user_user.slice()), 1754 .repo_files => |a_f| std.mem.eql(u8, a_f.name.slice(), b.repo_files.name.slice()) and 1755 a_f.ref_kind == b.repo_files.ref_kind and 1756 std.mem.eql(u8, a_f.ref_value.slice(), b.repo_files.ref_value.slice()) and 1757 std.mem.eql(u8, a_f.patchrev_id.slice(), b.repo_files.patchrev_id.slice()) and 1758 std.mem.eql(u8, a_f.find.slice(), b.repo_files.find.slice()) and 1759 std.mem.eql(u8, a_f.path.slice(), b.repo_files.path.slice()) and 1760 a_f.line == b.repo_files.line, 1761 .repo_commits => |a_c| std.mem.eql(u8, a_c.name.slice(), b.repo_commits.name.slice()) and 1762 a_c.ref_or_oid == b.repo_commits.ref_or_oid and 1763 std.mem.eql(u8, a_c.value.slice(), b.repo_commits.value.slice()) and 1764 std.mem.eql(u8, a_c.base_oid.slice(), b.repo_commits.base_oid.slice()) and 1765 std.mem.eql(u8, a_c.search.slice(), b.repo_commits.search.slice()) and 1766 std.mem.eql(u8, a_c.from.slice(), b.repo_commits.from.slice()) and 1767 std.mem.eql(u8, a_c.merge.slice(), b.repo_commits.merge.slice()) and 1768 a_c.message == b.repo_commits.message, 1769 .repo_diff => |a_d| std.mem.eql(u8, a_d.name.slice(), b.repo_diff.name.slice()) and 1770 a_d.ref_or_oid == b.repo_diff.ref_or_oid and 1771 std.mem.eql(u8, a_d.value.slice(), b.repo_diff.value.slice()) and 1772 std.mem.eql(u8, a_d.base_oid.slice(), b.repo_diff.base_oid.slice()) and 1773 std.mem.eql(u8, a_d.patchrev_id.slice(), b.repo_diff.patchrev_id.slice()) and 1774 a_d.start == b.repo_diff.start and std.mem.eql(u8, a_d.path.slice(), b.repo_diff.path.slice()), 1775 .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()), 1776 .repo_issues => |a_i| std.mem.eql(u8, a_i.name.slice(), b.repo_issues.name.slice()) and 1777 std.mem.eql(u8, a_i.label.slice(), b.repo_issues.label.slice()) and 1778 std.mem.eql(u8, a_i.search.slice(), b.repo_issues.search.slice()) and 1779 std.mem.eql(u8, a_i.selected.slice(), b.repo_issues.selected.slice()) and 1780 std.mem.eql(u8, a_i.theirs.slice(), b.repo_issues.theirs.slice()) and 1781 a_i.view == b.repo_issues.view and 1782 a_i.comments_start == b.repo_issues.comments_start and 1783 std.mem.eql(u8, a_i.comment.slice(), b.repo_issues.comment.slice()), 1784 .repo_discussions => |a_t| std.mem.eql(u8, a_t.name.slice(), b.repo_discussions.name.slice()) and 1785 std.mem.eql(u8, a_t.label.slice(), b.repo_discussions.label.slice()) and 1786 std.mem.eql(u8, a_t.search.slice(), b.repo_discussions.search.slice()) and 1787 std.mem.eql(u8, a_t.selected.slice(), b.repo_discussions.selected.slice()) and 1788 a_t.view == b.repo_discussions.view and 1789 a_t.comments_start == b.repo_discussions.comments_start and 1790 std.mem.eql(u8, a_t.comment.slice(), b.repo_discussions.comment.slice()), 1791 .repo_patches => |a_p| std.mem.eql(u8, a_p.name.slice(), b.repo_patches.name.slice()) and 1792 std.mem.eql(u8, a_p.label.slice(), b.repo_patches.label.slice()) and 1793 std.mem.eql(u8, a_p.search.slice(), b.repo_patches.search.slice()) and 1794 std.mem.eql(u8, a_p.selected.slice(), b.repo_patches.selected.slice()) and 1795 std.mem.eql(u8, a_p.theirs.slice(), b.repo_patches.theirs.slice()) and 1796 a_p.view == b.repo_patches.view and 1797 a_p.comments_start == b.repo_patches.comments_start and 1798 std.mem.eql(u8, a_p.comment.slice(), b.repo_patches.comment.slice()), 1799 .repo_undo => |a_u| std.mem.eql(u8, a_u.name.slice(), b.repo_undo.name.slice()) and 1800 a_u.index == b.repo_undo.index and 1801 a_u.clear == b.repo_undo.clear, 1802 .repo_events => |a_e| std.mem.eql(u8, a_e.name.slice(), b.repo_events.name.slice()) and 1803 a_e.view == b.repo_events.view and 1804 a_e.moment == b.repo_events.moment and 1805 a_e.kind == b.repo_events.kind and 1806 std.mem.eql(u8, a_e.selected.slice(), b.repo_events.selected.slice()), 1807 .repo_repo_new => |a_name| std.mem.eql(u8, a_name.slice(), b.repo_repo_new.slice()), 1808 .repo_user_new => |a_name| std.mem.eql(u8, a_name.slice(), b.repo_user_new.slice()), 1809 .repo_user => |a_name| std.mem.eql(u8, a_name.slice(), b.repo_user.slice()), 1810 .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()), 1811 .fork_diff => |a_d| std.mem.eql(u8, a_d.fork.name.slice(), b.fork_diff.fork.name.slice()) and 1812 std.mem.eql(u8, a_d.fork.id.slice(), b.fork_diff.fork.id.slice()) and 1813 std.mem.eql(u8, a_d.oid.slice(), b.fork_diff.oid.slice()) and 1814 std.mem.eql(u8, a_d.base_oid.slice(), b.fork_diff.base_oid.slice()) and 1815 a_d.start == b.fork_diff.start and std.mem.eql(u8, a_d.path.slice(), b.fork_diff.path.slice()), 1816 .fork_files => |a_f| std.mem.eql(u8, a_f.fork.name.slice(), b.fork_files.fork.name.slice()) and 1817 std.mem.eql(u8, a_f.fork.id.slice(), b.fork_files.fork.id.slice()) and 1818 std.mem.eql(u8, a_f.oid.slice(), b.fork_files.oid.slice()) and 1819 std.mem.eql(u8, a_f.find.slice(), b.fork_files.find.slice()) and 1820 std.mem.eql(u8, a_f.path.slice(), b.fork_files.path.slice()) and 1821 a_f.line == b.fork_files.line, 1822 .fork_commits => |a_c| std.mem.eql(u8, a_c.fork.name.slice(), b.fork_commits.fork.name.slice()) and 1823 std.mem.eql(u8, a_c.fork.id.slice(), b.fork_commits.fork.id.slice()) and 1824 std.mem.eql(u8, a_c.oid.slice(), b.fork_commits.oid.slice()) and 1825 a_c.message == b.fork_commits.message, 1826 .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()), 1827 .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()), 1828 .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()), 1829 else => true, 1830 }; 1831 } 1832 1833 // true when following a link from `b` to `a` (both repo routes) should reload 1834 // rather than stay in page 1835 pub fn repoPageChanged(a: RoutablePage, b: RoutablePage) bool { 1836 if (a.parent() != .repo or b.parent() != .repo) return false; 1837 if (std.meta.activeTag(a) == .repo_refs and std.meta.activeTag(b) == .repo_refs and 1838 a.repo_refs.from.len == 0 and b.repo_refs.from.len == 0) 1839 return !std.mem.eql(u8, a.repo_refs.name.slice(), b.repo_refs.name.slice()); 1840 return !a.eql(b); 1841 } 1842 1843 pub fn forkPageChanged(a: RoutablePage, b: RoutablePage) bool { 1844 return a.parent() == .fork and b.parent() == .fork and !a.eql(b); 1845 } 1846 1847 // true when `a` and `b` are the same user paginated to a different repos 1848 // window or search. switching between a user's tabs is in-page, so only a 1849 // changed `start` or search on the same list navigates. 1850 pub fn userPageChanged(a: RoutablePage, b: RoutablePage) bool { 1851 return switch (a) { 1852 .user_repos => |aa| switch (b) { 1853 .user_repos => |bb| std.mem.eql(u8, aa.name.slice(), bb.name.slice()) and !a.eql(b), 1854 else => false, 1855 }, 1856 .user_forks => |aa| switch (b) { 1857 .user_forks => |bb| std.mem.eql(u8, aa.name.slice(), bb.name.slice()) and aa.start != bb.start, 1858 else => false, 1859 }, 1860 else => false, 1861 }; 1862 } 1863 1864 // true when `a` and `b` are the same home list tab paginated to a different 1865 // window or search. switching tabs is in-page, so only a changed `start` or 1866 // search on the same tab navigates. 1867 pub fn homePageChanged(a: RoutablePage, b: RoutablePage) bool { 1868 return switch (a) { 1869 .home_users => switch (b) { 1870 .home_users => !a.eql(b), 1871 else => false, 1872 }, 1873 else => false, 1874 }; 1875 } 1876 }; 1877 1878 // a `RefOrOid` resolved against an on-disk repo to the commit oid it points at 1879 fn isUnreserved(c: u8) bool { 1880 return std.ascii.isAlphanumeric(c) or c == '-' or c == '.' or c == '_' or c == '~'; 1881 } 1882 1883 // percent-encode a ref name for use as a single url path segment. 1884 pub fn urlEncodeRef(aa: std.mem.Allocator, raw: []const u8) ![]const u8 { 1885 var out: std.Io.Writer.Allocating = .init(aa); 1886 try std.Uri.Component.percentEncode(&out.writer, raw, isUnreserved); 1887 return out.written(); 1888 } 1889 1890 // a resolved ref/oid for a repo opened with `repo_kind`/`repo_opts` 1891 pub fn ResolvedRefOrOid(comptime repo_kind: rp.RepoKind, comptime repo_opts: rp.RepoOpts(repo_kind)) type { 1892 return struct { 1893 pub const hex_len = hash.hexLen(repo_opts.hash); 1894 1895 // the concrete ref/oid (a null request resolves to the default branch) 1896 ref_or_oid: RoutablePage.RefOrOid, 1897 // its branch/tag name or oid, url-encoded (ref names may contain '/', so 1898 // the route layer — which splits on '/' — stores them encoded). duped 1899 // into `aa`. 1900 value: []const u8, 1901 // the commit oid it points at 1902 oid: [hex_len]u8, 1903 1904 const Self = @This(); 1905 1906 // resolve a requested ref/oid (null = the repo's default branch) to a 1907 // concrete ref/oid plus the commit oid it points at. `requested_value` is 1908 // the url-encoded form (as it appears in the route). null when it doesn't 1909 // resolve (an unknown branch/tag, or a malformed/unknown oid). 1910 pub fn init( 1911 repo: *rp.Repo(repo_kind, repo_opts), 1912 io: std.Io, 1913 aa: std.mem.Allocator, 1914 requested_ref_or_oid: ?RoutablePage.RefOrOid, 1915 requested_value: []const u8, 1916 ) !?Self { 1917 var ref_or_oid: RoutablePage.RefOrOid = requested_ref_or_oid orelse .branch; 1918 // the decoded ref name / oid to look up. a named ref arrives url-encoded. 1919 var value: []const u8 = if (requested_ref_or_oid == null) 1920 requested_value 1921 else 1922 std.Uri.percentDecodeInPlace(try aa.dupe(u8, requested_value)); 1923 // no ref named: fall back to HEAD's branch (or its oid when detached). 1924 if (requested_ref_or_oid == null) { 1925 var head_buf: [rf.MAX_REF_CONTENT_SIZE]u8 = undefined; 1926 if (repo.head(io, &head_buf)) |head| switch (head) { 1927 .ref => |r| { 1928 ref_or_oid = .branch; 1929 value = r.name; 1930 }, 1931 .oid => |o| { 1932 ref_or_oid = .object; 1933 value = o; 1934 }, 1935 } else |_| {} 1936 } 1937 1938 var oid: [hex_len]u8 = undefined; 1939 switch (ref_or_oid) { 1940 .object => { 1941 if (value.len != hex_len) return null; 1942 @memcpy(&oid, value); 1943 }, 1944 .branch, .tag => { 1945 const ref_kind: rf.RefKind = if (ref_or_oid == .branch) .head else .tag; 1946 oid = (repo.readRef(io, .{ .kind = ref_kind, .name = value }) catch null) orelse return null; 1947 }, 1948 } 1949 // store url-encoded so the route layer can hold the value verbatim. 1950 return .{ .ref_or_oid = ref_or_oid, .value = try urlEncodeRef(aa, value), .oid = oid }; 1951 } 1952 }; 1953 } 1954 1955 // who a repo page is built for, which picks the actions it shows 1956 pub const Viewer = struct { 1957 role: evt.Repo.Role, 1958 email: []const u8, 1959 1960 // the session's viewer of a repo it holds `role` in, or null when logged 1961 // out. local mode owns everything. 1962 pub fn init(session: *Session, arena: *std.heap.ArenaAllocator, role: evt.Repo.Role) !?Viewer { 1963 if (session.data.host_kind == .local) return .{ .role = .owner, .email = "" }; 1964 const user_id = session.userId() orelse return null; 1965 const moment = session.haxy_moment orelse unreachable; 1966 const user = (try activeUser(moment, arena, user_id)) orelse return null; 1967 return .{ .role = role, .email = user.event.email }; 1968 } 1969 }; 1970 1971 // a repo a page shows, and what its viewer may do there 1972 pub const RepoHandle = struct { 1973 location: RoutablePage.RepoLocation, 1974 viewer: ?Viewer = null, 1975 1976 pub fn dupe(self: RepoHandle, allocator: std.mem.Allocator) !RepoHandle { 1977 var copy = self; 1978 copy.location = try self.location.dupe(allocator); 1979 return copy; 1980 } 1981 1982 // pushing, and seeing the events and undo tabs. local mode is always owner. 1983 pub fn canWrite(self: RepoHandle) bool { 1984 const viewer = self.viewer orelse return false; 1985 return viewer.role.atLeast(.write); 1986 } 1987 1988 pub fn canUndo(self: RepoHandle) bool { 1989 const viewer = self.viewer orelse return false; 1990 return viewer.role == .owner; 1991 } 1992 }; 1993 1994 // where a repo page reads its on-disk repo from 1995 pub const RepoSource = struct { 1996 path: []const u8, 1997 repo_kind: rp.RepoKind, 1998 // the user's global git config, so local mode picks up their identity and 1999 // their signing and ssh settings. null on the server paths, which must not 2000 // read whoever runs the server. 2001 global_config_path: ?[]const u8 = null, 2002 2003 pub fn localInitOpts(self: RepoSource) rp.InitOpts { 2004 return .{ .path = self.path, .global_config_path = self.global_config_path }; 2005 } 2006 2007 pub fn hasBranch(self: RepoSource, io: std.Io, allocator: std.mem.Allocator, branch: []const u8) !bool { 2008 if (!xit.ref.validateName(branch)) return false; 2009 return switch (self.repo_kind) { 2010 inline else => |repo_kind| blk: { 2011 var any_repo = try rp.AnyRepo(repo_kind, .{}).open(io, allocator, self.localInitOpts()); 2012 defer any_repo.deinit(io, allocator); 2013 break :blk switch (any_repo) { 2014 inline else => |*repo| (try repo.readRef(io, .{ .kind = .head, .name = branch })) != null, 2015 }; 2016 }, 2017 }; 2018 } 2019 2020 // whether the actor may change the event `id` names 2021 pub fn canModify( 2022 self: RepoSource, 2023 io: std.Io, 2024 allocator: std.mem.Allocator, 2025 actor: Actor, 2026 kind: evt.EventKind, 2027 id: *const [evt.event_id_size]u8, 2028 ) !bool { 2029 // a role that may change an event with no author needs no read 2030 if (actor.role.canModify(actor.author.email, null)) return true; 2031 2032 var arena = std.heap.ArenaAllocator.init(allocator); 2033 defer arena.deinit(); 2034 return switch (self.repo_kind) { 2035 inline else => |repo_kind| blk: { 2036 var any_repo = try rp.AnyRepo(repo_kind, .{}).open(io, allocator, self.localInitOpts()); 2037 defer any_repo.deinit(io, allocator); 2038 break :blk switch (any_repo) { 2039 inline else => |*repo| actor.role.canModify(actor.author.email, try evt.readAuthorEmail(repo_kind, repo.self_repo_opts, io, allocator, &arena, repo, kind, id)), 2040 }; 2041 }, 2042 }; 2043 } 2044 }; 2045 2046 // who a write acts as and the role they hold in its repo 2047 pub const Actor = struct { 2048 author: evt.CommitAuthor, 2049 // local mode has no accounts, so it has no user id 2050 user_id: ?[evt.event_id_size]u8 = null, 2051 role: evt.Repo.Role, 2052 // the repo owner's id, which local mode lacks 2053 repo_user_id: ?[evt.event_id_size]u8 = null, 2054 }; 2055 2056 pub const Authorization = union(enum) { 2057 actor: Actor, 2058 login_required, 2059 repo_not_found, 2060 forbidden, 2061 }; 2062 2063 // the account `user_id` names, or null once it has been removed. a user id is 2064 // checked here wherever one enters, so the role lookups can trust theirs. 2065 pub fn activeUser( 2066 moment: evt.AdminDB.HashMap(.read_only), 2067 arena: *std.heap.ArenaAllocator, 2068 user_id: [evt.event_id_size]u8, 2069 ) !?evt.User.Record { 2070 const user = (try evt.User.readById(evt.AdminDB, evt.admin_repo_opts.hash, moment, arena, &user_id)) orelse return null; 2071 return if (user.removed) null else user; 2072 } 2073 2074 // whether the user may write to the repo `identity` names with at least 2075 // `min_role` 2076 pub fn authorizeUser( 2077 io: std.Io, 2078 moment: evt.AdminDB.HashMap(.read_only), 2079 arena: *std.heap.ArenaAllocator, 2080 users_dir: []const u8, 2081 user_id: [evt.event_id_size]u8, 2082 identity: []const u8, 2083 min_role: evt.Repo.Role, 2084 ) !Authorization { 2085 const user = (try activeUser(moment, arena, user_id)) orelse return .login_required; 2086 2087 const owner_repo = evt.parseOwnerRepoPath(identity) orelse return .repo_not_found; 2088 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; 2089 const role = repo.role; 2090 // a repo the user can't read doesn't exist to them 2091 if (role == .none) return .repo_not_found; 2092 if (!role.atLeast(min_role)) return .forbidden; 2093 return .{ .actor = .{ 2094 .author = .{ .name = user.event.name, .email = user.event.email }, 2095 .user_id = user_id, 2096 .role = role, 2097 .repo_user_id = repo.repo.event.user_id[0..evt.event_id_size].*, 2098 } }; 2099 } 2100 2101 // events created in local mode have no account behind them, so the commit 2102 // author comes from the repo's config, which the global config feeds into. 2103 pub const local_author_fallback = evt.CommitAuthor{ .name = "haxy", .email = "user@haxy" }; 2104 2105 pub fn localAuthor( 2106 src: RepoSource, 2107 io: std.Io, 2108 allocator: std.mem.Allocator, 2109 arena: *std.heap.ArenaAllocator, 2110 ) !evt.CommitAuthor { 2111 switch (src.repo_kind) { 2112 inline else => |repo_kind| { 2113 var any_repo = rp.AnyRepo(repo_kind, .{}).open(io, allocator, src.localInitOpts()) catch return local_author_fallback; 2114 defer any_repo.deinit(io, allocator); 2115 2116 switch (any_repo) { 2117 inline else => |*repo| { 2118 var config = try repo.listConfig(io, allocator); 2119 defer config.deinit(); 2120 2121 const user = config.sections.get("user") orelse return local_author_fallback; 2122 const name = user.get("name") orelse return local_author_fallback; 2123 const email = user.get("email") orelse return local_author_fallback; 2124 return .{ 2125 .name = try arena.allocator().dupe(u8, name), 2126 .email = try arena.allocator().dupe(u8, email), 2127 }; 2128 }, 2129 } 2130 }, 2131 } 2132 } 2133 2134 // per-connection mutable state. each SSH session / web session / local TUI 2135 // run gets its own. 2136 pub const Session = struct { 2137 data: Data = .{}, 2138 // session-lifetime allocations: login/user_id, persisted prefs, queued 2139 // actions. lives as long as the connection. 2140 arena: *std.heap.ArenaAllocator, 2141 // current page's allocations: page data and the page-scoped strings widgets 2142 // build (form actions, links). owned by Nav, swapped on each navigation, so 2143 // it doesn't accumulate over a long-lived session. on the web/wasm paths, 2144 // where a render is one-shot, this points at the same arena as `arena`. 2145 page_arena: *std.heap.ArenaAllocator, 2146 haxy_moment: ?evt.AdminDB.HashMap(.read_only) = null, // db cursor (null on the wasm side) 2147 // filesystem io and the path to <server>/repos, for opening on-disk repos 2148 // during page construction. both null on wasm, which has no filesystem and 2149 // rebuilds pages from the serialized snapshot rather than from disk. 2150 io: ?std.Io = null, 2151 admin_repo: ?*rp.Repo(.xit, evt.admin_repo_opts) = null, 2152 users_dir: ?[]const u8 = null, 2153 // the single on-disk repo this session views, when running in local mode 2154 // (haxy invoked with no arguments inside a repo). null on the server paths, 2155 // which resolve repos from the admin db instead. 2156 local: ?RepoSource = null, 2157 // focus id -> the live TextInput, refreshed each frame by the views that own 2158 // inputs. web/wasm form handling looks widgets up here by focus id. 2159 text_inputs: std.AutoHashMapUnmanaged(usize, *wgt.TextInput) = .empty, 2160 back: enum { unavailable, available, requested } = .unavailable, 2161 refresh_requested: bool = false, // set by input (ctrl+r) 2162 // a requested forward navigation. set this (via navigate) to move to a new 2163 // page; Nav.sync builds it and then copies it into current_page, clearing 2164 // this back to null. setting current_page directly only updates the url and 2165 // does not navigate. 2166 next_page: ?RoutablePage = null, 2167 is_terminal: bool = false, // true on remote SSH and local TUI 2168 // the terminal's reported default background, which the art blends toward 2169 terminal_background: ?Grid.Color.Rgb = null, 2170 // port the web UI is served on, for the TUI/SSH footer's "http://localhost:<port>..." 2171 // url. null on the web itself (no footer there). 2172 web_port: ?u16 = null, 2173 // a host operation requested by a widget 2174 host_request: ?HostRequest = null, 2175 quit_requested: bool = false, 2176 2177 pub const HostRequest = union(enum) { 2178 show_copyable_text: []const u8, 2179 sync_events, 2180 undo: RoutablePage.RepoUndoRoute, 2181 }; 2182 2183 pub const FormFeedback = union(enum) { 2184 pub const LoginFailure = enum { unknown_user, wrong_password }; 2185 pub const ThreadFailure = enum { required_title }; 2186 pub const PatchFailure = enum { 2187 required_title, 2188 invalid_target_branch, 2189 invalid_source_branch, 2190 same_branch, 2191 unrelated_branches, 2192 2193 pub fn fromError(err: anyerror) ?PatchFailure { 2194 return switch (err) { 2195 error.InvalidTargetBranch => .invalid_target_branch, 2196 error.InvalidSourceBranch => .invalid_source_branch, 2197 error.SameBranch => .same_branch, 2198 error.UnrelatedBranches => .unrelated_branches, 2199 else => null, 2200 }; 2201 } 2202 }; 2203 2204 pub const RepoFailure = enum { 2205 required_name, 2206 invalid_name, 2207 name_taken, 2208 2209 pub fn fromError(err: anyerror) ?RepoFailure { 2210 return switch (err) { 2211 error.NameEmpty => .required_name, 2212 error.NameTooLong, error.InvalidName => .invalid_name, 2213 error.NameTaken => .name_taken, 2214 else => null, 2215 }; 2216 } 2217 }; 2218 2219 pub const UserFailure = enum { 2220 required_name, 2221 invalid_name, 2222 name_taken, 2223 required_email, 2224 email_taken, 2225 required_password, 2226 password_mismatch, 2227 2228 pub fn fromError(err: anyerror) ?UserFailure { 2229 return switch (err) { 2230 error.NameEmpty => .required_name, 2231 error.NameTooShort, error.NameTooLong, error.InvalidName => .invalid_name, 2232 error.NameTaken => .name_taken, 2233 error.EmailEmpty => .required_email, 2234 error.EmailTaken => .email_taken, 2235 error.PasswordEmpty => .required_password, 2236 error.PasswordMismatch => .password_mismatch, 2237 else => null, 2238 }; 2239 } 2240 }; 2241 2242 login: struct { 2243 failure: LoginFailure, 2244 username: []const u8, 2245 }, 2246 user: struct { 2247 failure: UserFailure, 2248 // passwords are never retained 2249 fields: struct { 2250 name: []const u8, 2251 email: []const u8, 2252 }, 2253 }, 2254 repo: struct { 2255 failure: RepoFailure, 2256 fields: struct { 2257 name: []const u8, 2258 description: []const u8, 2259 hash: hash.HashKind, 2260 access: evt.Repo.Access, 2261 }, 2262 }, 2263 issue: struct { 2264 failure: ThreadFailure, 2265 fields: ?struct { 2266 title: []const u8, 2267 labels: []const u8, 2268 description: []const u8, 2269 } = null, 2270 }, 2271 patch: struct { 2272 failure: PatchFailure, 2273 fields: ?struct { 2274 title: []const u8, 2275 labels: []const u8, 2276 description: []const u8, 2277 target_branch: []const u8, 2278 source_branch: []const u8 = "", 2279 source_kind: Repo.Patches.Source.Kind = .fork, 2280 } = null, 2281 }, 2282 discussion: struct { 2283 failure: ThreadFailure, 2284 fields: ?struct { 2285 title: []const u8, 2286 labels: []const u8, 2287 description: []const u8, 2288 } = null, 2289 }, 2290 }; 2291 2292 const Self = @This(); 2293 2294 // serializable data sent down to web client 2295 pub const Data = struct { 2296 user_id: ?[]const u8 = null, 2297 // the logged-in user's name, for the views that show it 2298 user_name: ?[]const u8 = null, 2299 // a failed form retained long enough to render it for correction 2300 form_feedback: ?FormFeedback = null, 2301 // a transient local event-sync error 2302 sync_failure: ?[]const u8 = null, 2303 // a failed terminal undo retained on the current tab 2304 undo_failure: ?[]const u8 = null, 2305 current_page: RoutablePage = .default, 2306 // the selected ANSI art. the server serializes one image for WASM so 2307 // the browser does not need the whole build-generated collection. 2308 ansi_art: []const u8 = "", 2309 // the bound git-service ports. absent in local mode, where remote urls 2310 // are not shown. 2311 git_http_port: ?u16 = null, 2312 git_ssh_port: ?u16 = null, 2313 git_ssh_prefix: []const u8 = "", 2314 // whether this session views a local repo or the server. unlike `local` 2315 // (the host-side filesystem source) this travels in the snapshot, so 2316 // the wasm side also parses elided link urls and hides the multi-user 2317 // chrome. 2318 host_kind: evt.HostKind = .server, 2319 }; 2320 2321 pub fn init( 2322 arena: *std.heap.ArenaAllocator, 2323 repo: *rp.Repo(.xit, evt.admin_repo_opts), 2324 data: Data, 2325 ) !Self { 2326 var session = Self{ 2327 .data = data, 2328 .arena = arena, 2329 // until a host swaps in a page-scoped arena (Nav does this), page 2330 // allocations land in the session arena. on the web path that's the 2331 // intended behavior, since the whole arena is per-request. 2332 .page_arena = arena, 2333 .admin_repo = repo, 2334 .haxy_moment = try evt.currentMoment(evt.admin_repo_opts, repo), 2335 }; 2336 try session.loadUser(); 2337 return session; 2338 } 2339 2340 // load the logged-in user's name and persisted preferences from the db 2341 pub fn loadUser(self: *Self) !void { 2342 const user_id = self.userId() orelse return; 2343 const moment = self.haxy_moment orelse return; 2344 const user = (try activeUser(moment, self.arena, user_id)) orelse return self.logOut(); 2345 self.data.user_name = user.event.name; 2346 } 2347 2348 // forget the logged-in user, on a logout or once their account is removed 2349 pub fn logOut(self: *Self) void { 2350 self.data.user_id = null; 2351 self.data.user_name = null; 2352 } 2353 2354 pub fn userId(self: *const Self) ?[evt.event_id_size]u8 { 2355 const bytes = self.data.user_id orelse return null; 2356 if (bytes.len != evt.event_id_size) return null; 2357 var id: [evt.event_id_size]u8 = undefined; 2358 @memcpy(&id, bytes); 2359 return id; 2360 } 2361 2362 pub fn formFeedback(self: *const Self, comptime tag: std.meta.Tag(FormFeedback)) ?@FieldType(FormFeedback, @tagName(tag)) { 2363 const feedback = self.data.form_feedback orelse return null; 2364 if (std.meta.activeTag(feedback) != tag) return null; 2365 return @field(feedback, @tagName(tag)); 2366 } 2367 2368 pub fn clearFormFeedback(self: *Self) void { 2369 self.data.form_feedback = null; 2370 } 2371 2372 // the actor for a write to the repo `identity` names, or null when the 2373 // session may not write there with at least `min_role`. local mode always 2374 // writes. 2375 pub fn authorize(self: *Self, identity: []const u8, min_role: evt.Repo.Role) !?Actor { 2376 if (self.data.host_kind == .local) { 2377 const author = blk: { 2378 const src = self.local orelse break :blk local_author_fallback; 2379 const io = self.io orelse break :blk local_author_fallback; 2380 break :blk try localAuthor(src, io, self.page_arena.child_allocator, self.page_arena); 2381 }; 2382 return .{ .author = author, .role = .owner }; 2383 } 2384 const user_id = self.userId() orelse return null; 2385 // the session's moment predates this input, so read the roles afresh 2386 const admin_repo = self.admin_repo orelse return null; 2387 const io = self.io orelse return null; 2388 const users_dir = self.users_dir orelse return null; 2389 const moment = try evt.currentMoment(evt.admin_repo_opts, admin_repo); 2390 return switch (try authorizeUser(io, moment, self.page_arena, users_dir, user_id, identity, min_role)) { 2391 .actor => |actor| actor, 2392 .login_required, .repo_not_found, .forbidden => null, 2393 }; 2394 } 2395 2396 // where this session's event writes go. a server session always has a users dir 2397 pub fn eventHost(self: *const Self) evt.Host { 2398 return switch (self.data.host_kind) { 2399 .local => .local, 2400 .server => .{ .server = .{ .users_dir = self.users_dir orelse unreachable } }, 2401 }; 2402 } 2403 2404 // reload the moment from the admin repo and log out a removed user 2405 pub fn reloadMoment(self: *Self, allocator: std.mem.Allocator, repo: *rp.Repo(.xit, evt.admin_repo_opts)) !void { 2406 const moment = try evt.currentMoment(evt.admin_repo_opts, repo); 2407 self.haxy_moment = moment; 2408 2409 const user_id = self.userId() orelse return; 2410 var arena = std.heap.ArenaAllocator.init(allocator); 2411 defer arena.deinit(); 2412 if (try activeUser(moment, &arena, user_id) == null) self.logOut(); 2413 } 2414 2415 // request a forward navigation to `route`; the host consumes next_page 2416 // (Nav.sync on the terminal, the wasm tick on the web). 2417 pub fn navigate(self: *Session, route: RoutablePage) !void { 2418 self.clearFormFeedback(); 2419 self.next_page = route; 2420 } 2421 }; 2422 2423 pub fn run(io: std.Io, allocator: std.mem.Allocator, session: *Session, repo_maybe: ?*rp.Repo(.xit, evt.admin_repo_opts)) !void { 2424 var nav = try Nav.init(allocator, session); 2425 defer nav.deinit(allocator); 2426 2427 var terminal = try term.Terminal.init(io, allocator); 2428 var terminal_live = true; 2429 defer if (terminal_live) terminal.deinit(io); 2430 2431 // set term as active so it will be properly cooked 2432 // when a panic/segfault happens 2433 term.setActive(&terminal); 2434 defer term.setActive(null); 2435 2436 try terminal.queryBackground(); 2437 2438 while (!terminal.shouldQuit()) { 2439 const grid_changed = try terminal.render(&nav.root); 2440 2441 // process any inputs. 2442 // 2443 // if the grid didn't change, then first do a blocking 2444 // read, so the thread will sleep until further input. 2445 // after that, all remaining reads are non-blocking so 2446 // we can process the rest of the queued inputs. 2447 // 2448 // if the grid *did* change, then only do non-blocking 2449 // reads. we do not want to sleep the thread because 2450 // there may be an animation that requires more looping. 2451 var blocking = !grid_changed; 2452 while (try terminal.readKey(io, blocking)) |key| { 2453 blocking = false; 2454 try inputKey(allocator, &nav.root, key, session); 2455 } 2456 2457 if (session.host_request) |request| { 2458 session.host_request = null; 2459 switch (request) { 2460 .show_copyable_text => |copyable_text| { 2461 term.setActive(null); 2462 terminal.deinit(io); 2463 terminal_live = false; 2464 showCopyableText(io, copyable_text) catch |show_err| { 2465 terminal = try term.Terminal.init(io, allocator); 2466 terminal_live = true; 2467 term.setActive(&terminal); 2468 return show_err; 2469 }; 2470 terminal = try term.Terminal.init(io, allocator); 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 (rawLink(root_focus, focus_id)) |url| { 2572 if (!mouse.ctrl) try requestRawLink(session, url); 2573 return; 2574 } 2575 root_focus.setFocus(focus_id); 2576 activate_in_page_link = true; 2577 } 2578 // forward the press into the widget tree so buttons (and any 2579 // future click-aware widgets) can react. widgets that don't 2580 // care about presses ignore it. 2581 try root.input(allocator, key, root_focus); 2582 } else { 2583 try root.input(allocator, key, root_focus); 2584 } 2585 }, 2586 .event => |event| switch (event) { 2587 .background => |rgb| session.terminal_background = rgb, 2588 .resize => try root.input(allocator, key, root_focus), 2589 }, 2590 else => try root.input(allocator, key, root_focus), 2591 } 2592 2593 const focused_after = root_focus.grandchild_id; 2594 if (!activate_in_page_link and focused_before == focused_after) return; 2595 const focus_id = focused_after orelse return; 2596 if (inPageLink(root_focus, focus_id, session.data)) |route| session.data.current_page = route; 2597 } 2598 2599 // a link to bytes the server serves directly rather than to a page route, so 2600 // it never resolves to a RoutablePage 2601 pub const raw_link_prefix = "ax:"; 2602 2603 // a route already loaded into the current page; focusing it changes the url 2604 // without rebuilding the page 2605 pub const in_page_link_prefix = "ai:"; 2606 2607 // an in-page tab's base route, or the exact current route when it is selected 2608 pub fn inPageTabLink(session: *Session, route: RoutablePage, selected: bool) ![]const u8 { 2609 const target = if (selected) session.data.current_page else route; 2610 return std.fmt.allocPrint(session.page_arena.allocator(), "{s}{s}", .{ in_page_link_prefix, try target.toUrl(session.page_arena) }); 2611 } 2612 2613 // a button the web renderer covers with a file picker that posts the chosen 2614 // file to the url after the prefix 2615 pub const file_input_prefix = "file:"; 2616 2617 // a submit button that overrides its enclosing form's action 2618 pub const submit_action_prefix = "submit:"; 2619 2620 // one option of a radio field, as `radio:<name>=<value>` 2621 pub const radio_prefix = "radio:"; 2622 2623 // the url an `ax:` link points at, or null for anything else. a host that 2624 // suppresses the anchor's own navigation needs this to follow the link. 2625 pub fn rawLink(root_focus: *Focus, focus_id: usize) ?[]const u8 { 2626 const child = root_focus.children.get(focus_id) orelse return null; 2627 const custom = switch (child.focus.kind) { 2628 .custom => |c| c, 2629 else => return null, 2630 }; 2631 if (!std.mem.startsWith(u8, custom, raw_link_prefix)) return null; 2632 return custom[raw_link_prefix.len..]; 2633 } 2634 2635 fn requestRawLink(session: *Session, url: []const u8) !void { 2636 session.host_request = .{ .show_copyable_text = try terminalWebUrl(session.page_arena.allocator(), session, url) }; 2637 } 2638 2639 pub fn terminalWebUrl(allocator: std.mem.Allocator, session: *const Session, path: []const u8) ![]const u8 { 2640 // an absolute url is already complete 2641 if (!std.mem.startsWith(u8, path, "/")) return path; 2642 return if (session.web_port) |port| 2643 try std.fmt.allocPrint(allocator, "http://localhost:{d}{s}", .{ port, path }) 2644 else 2645 path; 2646 } 2647 2648 // if the focus target at focus_id is an `a:` link that should navigate (a 2649 // different parent page, or a different files directory within the repo page), 2650 // return its route; otherwise null. lets a host turn a click / enter on such a 2651 // link into a navigation rather than a focus change. 2652 pub fn crossPageLink(root_focus: *Focus, focus_id: usize, data: Session.Data) ?RoutablePage { 2653 const current = data.current_page; 2654 const route = pageLink(root_focus, focus_id, data, "a:") orelse return null; 2655 // a link to a different parent page always navigates; within a page, a 2656 // files-directory / commits-page / list-window change navigates while tab 2657 // links stay in-page. 2658 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; 2659 return null; 2660 } 2661 2662 // the route carried by an `ai:` focus target, or null for any other target 2663 pub fn inPageLink(root_focus: *Focus, focus_id: usize, data: Session.Data) ?RoutablePage { 2664 return pageLink(root_focus, focus_id, data, in_page_link_prefix); 2665 } 2666 2667 fn pageLink(root_focus: *Focus, focus_id: usize, data: Session.Data, prefix: []const u8) ?RoutablePage { 2668 const child = root_focus.children.get(focus_id) orelse return null; 2669 const custom = switch (child.focus.kind) { 2670 .custom => |c| c, 2671 else => return null, 2672 }; 2673 if (!std.mem.startsWith(u8, custom, prefix)) return null; 2674 const path = custom[prefix.len..]; 2675 // local sessions build (and parse) links with the repo identity elided 2676 return if (data.host_kind == .local) RoutablePage.fromUrlLocal(path) else RoutablePage.fromUrl(path); 2677 } 2678 2679 // a display author, resolved against the admin db at read time 2680 pub const Author = union(enum) { 2681 unknown, 2682 email: []const u8, // an email no user matches 2683 user_name: []const u8, 2684 2685 // the commit author line's email, resolved like initFromEmail 2686 pub fn init( 2687 haxy_moment: ?evt.AdminDB.HashMap(.read_only), 2688 arena: *std.heap.ArenaAllocator, 2689 author_line: []const u8, 2690 ) !Author { 2691 return initFromEmail(haxy_moment, arena, evt.authorEmail(author_line)); 2692 } 2693 2694 // from a record's stored author email: it resolves to the user currently 2695 // holding it, else stays the email. the result is allocated in `arena`, 2696 // so the email may borrow transient memory. 2697 pub fn initFromEmail( 2698 haxy_moment: ?evt.AdminDB.HashMap(.read_only), 2699 arena: *std.heap.ArenaAllocator, 2700 author_email: ?[]const u8, 2701 ) !Author { 2702 const email = author_email orelse return .unknown; 2703 if (haxy_moment) |moment| { 2704 if (try evt.User.readByEmail(evt.AdminDB, evt.admin_repo_opts.hash, moment, arena, email)) |user| { 2705 return .{ .user_name = user.name }; 2706 } 2707 } 2708 return .{ .email = try arena.allocator().dupe(u8, email) }; 2709 } 2710 }; 2711 2712 // the "a:" link to user `name`'s page. 2713 pub fn userLink(page_arena: *std.heap.ArenaAllocator, name: []const u8) ![]const u8 { 2714 const parsed = RoutablePage.Array(evt.User.name_max_len).from(name) orelse return error.RouteTooLong; 2715 const url = try (RoutablePage{ .user_repos = .{ .name = parsed } }).toUrl(page_arena); 2716 return std.fmt.allocPrint(page_arena.allocator(), "a:{s}", .{url}); 2717 } 2718 2719 // a focusable " author " box showing `author`, linking to their user page 2720 // when it is a known user 2721 pub fn authorBox(allocator: std.mem.Allocator, page_arena: *std.heap.ArenaAllocator, author: Author) !wgt.TextBox { 2722 const text = switch (author) { 2723 .unknown => "", 2724 .email, .user_name => |t| t, 2725 }; 2726 var tb = try wgt.TextBox.init(allocator, text, .{ .border_style = .single, .round_corners = true, .wrap_kind = .none, .label = " author " }); 2727 errdefer tb.deinit(allocator); 2728 tb.getFocus().mode = .all; 2729 switch (author) { 2730 .user_name => |name| tb.getFocus().kind = .{ .custom = try userLink(page_arena, name) }, 2731 else => {}, 2732 } 2733 return tb; 2734 } 2735 2736 // native-TUI navigation 2737 pub const Nav = struct { 2738 root: Widget, 2739 // backs the current page (its Page data and the page-scoped strings its 2740 // widgets build). owned here, swapped on each navigation. session.page_arena 2741 // tracks whichever of these is current so widgets allocate into it. 2742 arena: *std.heap.ArenaAllocator, 2743 // the login the current root was built for 2744 user_id: ?[evt.event_id_size]u8, 2745 history: std.ArrayList(Entry), 2746 2747 // each retained page keeps its own arena, freed when the page leaves the 2748 // stack (popped on back, evicted at cap, or on deinit). this is what keeps a 2749 // long-lived session from accumulating every page it ever visited. 2750 const Entry = struct { root: Widget, route: RoutablePage, arena: *std.heap.ArenaAllocator, user_id: ?[evt.event_id_size]u8 }; 2751 2752 // cap on retained back-history so the chain can't grow memory without bound 2753 const max_history: usize = 16; 2754 2755 pub fn init(allocator: std.mem.Allocator, session: *Session) !Nav { 2756 session.back = .unavailable; 2757 const arena = try allocator.create(std.heap.ArenaAllocator); 2758 arena.* = std.heap.ArenaAllocator.init(allocator); 2759 errdefer { 2760 arena.deinit(); 2761 allocator.destroy(arena); 2762 } 2763 2764 return .{ 2765 .root = try initCurrentRoot(allocator, arena, session), 2766 .arena = arena, 2767 .user_id = session.userId(), 2768 .history = .empty, 2769 }; 2770 } 2771 2772 pub fn deinit(self: *Nav, allocator: std.mem.Allocator) void { 2773 self.root.deinit(allocator); 2774 freeArena(allocator, self.arena); 2775 for (self.history.items) |*entry| { 2776 entry.root.deinit(allocator); 2777 freeArena(allocator, entry.arena); 2778 } 2779 self.history.deinit(allocator); 2780 } 2781 2782 // rebuild the current page in place from a current moment 2783 fn rebuild(self: *Nav, allocator: std.mem.Allocator, session: *Session) !void { 2784 if (session.haxy_moment == null and session.local == null) return; 2785 const arena = try allocator.create(std.heap.ArenaAllocator); 2786 arena.* = std.heap.ArenaAllocator.init(allocator); 2787 errdefer freeArena(allocator, arena); 2788 2789 const new_root = try initCurrentRoot(allocator, arena, session); 2790 2791 self.root.deinit(allocator); 2792 freeArena(allocator, self.arena); 2793 self.root = new_root; 2794 self.arena = arena; 2795 self.user_id = session.userId(); 2796 } 2797 2798 // build the current page's root in `arena`, or the not-found page's when 2799 // the route names nothing 2800 fn initCurrentRoot(allocator: std.mem.Allocator, arena: *std.heap.ArenaAllocator, session: *Session) !Widget { 2801 session.page_arena = arena; 2802 const page = try arena.allocator().create(Page); 2803 page.* = Page.init(arena, session, session.data.current_page) catch |err| switch (err) { 2804 error.NotFound => blk: { 2805 session.data.current_page = .not_found; 2806 break :blk .not_found; 2807 }, 2808 else => |e| return e, 2809 }; 2810 return initRoot(allocator, page, session); 2811 } 2812 2813 fn freeArena(allocator: std.mem.Allocator, arena: *std.heap.ArenaAllocator) void { 2814 arena.deinit(); 2815 allocator.destroy(arena); 2816 } 2817 2818 // reconcile the displayed root with the session's navigation state. a 2819 // forward nav (current_page moved to a different parent page) pushes the 2820 // current root and builds the new page in a fresh arena; a back request 2821 // frees the current page and restores the previous one. when escape is 2822 // pressed with no history left we switch to the quit tab instead of quitting. 2823 // returns whether the root was replaced. 2824 pub fn sync(self: *Nav, allocator: std.mem.Allocator, session: *Session) !bool { 2825 // refresh: rebuild the current page in place from a current moment 2826 if (session.refresh_requested) { 2827 session.refresh_requested = false; 2828 try self.rebuild(allocator, session); 2829 return true; 2830 } 2831 2832 if (session.back == .requested) { 2833 if (self.history.pop()) |entry| { 2834 session.back = if (self.history.items.len == 0) .unavailable else .available; 2835 self.root.deinit(allocator); 2836 freeArena(allocator, self.arena); 2837 self.root = entry.root; 2838 self.arena = entry.arena; 2839 self.user_id = entry.user_id; 2840 session.page_arena = entry.arena; 2841 session.data.current_page = entry.route; 2842 // a page built under another login is rebuilt rather than restored 2843 if (!std.meta.eql(entry.user_id, session.userId())) { 2844 try self.rebuild(allocator, session); 2845 return true; 2846 } 2847 chooseAnsiArtForNavigation(session); 2848 return true; 2849 } 2850 session.back = .unavailable; 2851 // nothing to go back to; switch to the quit confirmation 2852 const root_focus = self.root.getFocus(); 2853 var iter = root_focus.children.iterator(); 2854 while (iter.next()) |entry| { 2855 switch (entry.value_ptr.focus.kind) { 2856 .custom => |custom| if (std.mem.eql(u8, custom, Quit.tab_kind)) { 2857 root_focus.setFocus(entry.key_ptr.*); 2858 // a Stack only builds its selected child, so the quit 2859 // button isn't in the focus tree until a build runs with 2860 // the quit tab selected. build once, then send a 2861 // synthetic arrow_down to drop focus from the tab onto 2862 // the button so it's ready to confirm. 2863 try self.root.build(allocator, .{ 2864 .min_size = .{ .width = null, .height = 40 }, 2865 .max_size = .{ .width = 80, .height = null }, 2866 }, root_focus); 2867 try self.root.input(allocator, .arrow_down, root_focus); 2868 break; 2869 }, 2870 else => {}, 2871 } 2872 } 2873 return false; 2874 } 2875 2876 // forward navigation: navigate() set next_page to the page to move to (a 2877 // cross-page link or tab change crossing pages) 2878 if (session.next_page) |route| { 2879 session.next_page = null; 2880 if (session.haxy_moment == null and session.local == null) return false; 2881 const previous_route = session.data.current_page; 2882 // the page we navigated to becomes the current page 2883 session.data.current_page = route; 2884 session.back = .available; 2885 2886 const arena = try allocator.create(std.heap.ArenaAllocator); 2887 arena.* = std.heap.ArenaAllocator.init(allocator); 2888 errdefer freeArena(allocator, arena); 2889 2890 const new_root = try initCurrentRoot(allocator, arena, session); 2891 2892 try self.history.append(allocator, .{ .root = self.root, .route = previous_route, .arena = self.arena, .user_id = self.user_id }); 2893 // drop the oldest entry (freeing its widget tree and arena) once over cap 2894 if (self.history.items.len > max_history) { 2895 var oldest = self.history.orderedRemove(0); 2896 oldest.root.deinit(allocator); 2897 freeArena(allocator, oldest.arena); 2898 } 2899 self.root = new_root; 2900 self.arena = arena; 2901 self.user_id = session.userId(); 2902 return true; 2903 } 2904 return false; 2905 } 2906 }; 2907 2908 pub fn initRoot(allocator: std.mem.Allocator, page: *const Page, session: *Session) !Widget { 2909 const page_widget: Widget = switch (page.*) { 2910 .home => |*p| .{ .home = try .init(allocator, p, session) }, 2911 .user => |*p| .{ .user = try .init(allocator, p, session) }, 2912 .repo => |*p| .{ .repo = try .init(allocator, p, session) }, 2913 .fork => |*p| .{ .fork = try .init(allocator, p, session) }, 2914 .not_found => .{ .not_found = try .init(allocator, session) }, 2915 }; 2916 2917 chooseAnsiArtForNavigation(session); 2918 2919 // on the TUI/SSH, the page sits above a one-row footer showing its web 2920 // url, when there's a web UI to point at 2921 var root = if (session.is_terminal) blk: { 2922 var box = try wgt.Box(Widget).init(allocator, .{ .border_style = null, .direction = .vert }); 2923 errdefer box.deinit(allocator); 2924 const bg_id = bg_blk: { 2925 var background = try widget.AnsiBackground.init(allocator, page_widget, session); 2926 errdefer background.deinit(allocator); 2927 const id = background.getFocus().id; 2928 try box.children.put(allocator, id, .{ .widget = .{ .background = background }, .rect = null, .min_size = null }); 2929 break :bg_blk id; 2930 }; 2931 if (session.web_port != null) { 2932 var footer = try widget.Footer.init(allocator, session); 2933 errdefer footer.deinit(allocator); 2934 try box.children.put(allocator, footer.getFocus().id, .{ .widget = .{ .footer = footer }, .rect = null, .min_size = .{ .width = null, .height = 1 } }); 2935 } 2936 box.getFocus().child_id = bg_id; 2937 break :blk Widget{ .box = box }; 2938 } else Widget{ .background = try widget.AnsiBackground.init(allocator, page_widget, session) }; 2939 errdefer root.deinit(allocator); 2940 2941 // input-owning views build their TextInputs in init, so reset their 2942 // registrations here 2943 session.text_inputs.clearRetainingCapacity(); 2944 2945 try root.build(allocator, .{ 2946 .min_size = .{ .width = null, .height = 40 }, 2947 .max_size = .{ .width = 100, .height = null }, 2948 }, root.getFocus()); 2949 2950 return root; 2951 } 2952 2953 // native and server-side sessions choose from the embedded collection. WASM 2954 // keeps the art serialized by the server instead. 2955 fn chooseAnsiArtForNavigation(session: *Session) void { 2956 if (comptime ansi_art.art.len == 0) return; 2957 if (session.data.current_page == .not_found) { 2958 session.data.ansi_art = ansi_art.not_found; 2959 return; 2960 } 2961 const io = session.io orelse return; 2962 var random: usize = undefined; 2963 io.random(std.mem.asBytes(&random)); 2964 session.data.ansi_art = ansi_art.art[random % ansi_art.art.len]; 2965 } 2966