diff options
Diffstat (limited to 'src/detached/wire.zig')
| -rw-r--r-- | src/detached/wire.zig | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/src/detached/wire.zig b/src/detached/wire.zig index 5d52e2df..416330e8 100644 --- a/src/detached/wire.zig +++ b/src/detached/wire.zig @@ -2,8 +2,9 @@ //! Native struct layout never reaches the wire. const std = @import("std"); const pardes = @import("../pardes.zig"); +const limits = @import("../memory.zig").limits; -pub const version: u16 = 4; +pub const version: u16 = 5; pub const Error = error{ Truncated, Overlong, BadTag, BadValue, Trailing, NoSpace }; @@ -184,9 +185,12 @@ pub const Frame = struct { layer.rows = try r.getU16(); layer.context_rows = try r.getU16(); if (layer.pane >= pardes.MAX_PANES or layer.cols == 0 or layer.cols > f.cols or - layer.rows == 0 or layer.rows > 2 * max_rows or layer.context_rows > layer.rows or + layer.rows == 0 or layer.rows > 2 * max_rows or layer.context_rows > layer.rows or layer.context_rows > limits.wrap_rows or layer.viewport.x > f.cols or layer.viewport.w > f.cols - layer.viewport.x or layer.viewport.y > f.rows or layer.viewport.h > f.rows - layer.viewport.y) return error.BadValue; + for (0..layer.context_rows) |row| { + if (try r.getBool()) layer.context_separators.set(row); + } const cursor = try getCursor(&r, layer.cols, layer.rows); layer.cursor = if (cursor) |c| .{ .x = c.x, .y = c.y, .bar = c.bar } else null; layer.cells = try gpa.alloc(pardes.Cell, @as(usize, layer.cols) * layer.rows); @@ -640,7 +644,7 @@ pub fn encodeFramePointer( pub fn layersBound(layers: []const pardes.BodyLayer) usize { var n: usize = 2; for (layers) |layer| if (layer.rows != 0) { - n += 26 + layer.cells.len * cell_max; + n += 26 + layer.context_rows + layer.cells.len * cell_max; }; return n; } @@ -675,6 +679,7 @@ pub fn encodeFrameLayers(out: []u8, cols: u16, rows: u16, cursor: ?Cursor, point try w.putU16(count); for (layers) |layer| { if (layer.rows == 0) continue; + if (layer.context_rows > limits.wrap_rows or layer.context_rows > layer.rows) return error.BadValue; try w.putU16(layer.pane); try w.putU32(layer.serial); try w.putU16(layer.viewport.x); @@ -684,6 +689,7 @@ pub fn encodeFrameLayers(out: []u8, cols: u16, rows: u16, cursor: ?Cursor, point try w.putU16(layer.cols); try w.putU16(layer.rows); try w.putU16(layer.context_rows); + for (0..layer.context_rows) |row| try w.putBool(layer.context_separators.isSet(row)); try putCursor(&w, if (layer.cursor) |c| .{ .x = c.x, .y = c.y, .bar = c.bar } else null, layer.cols, layer.rows); for (layer.cells) |*cell| try putCell(&w, cell); } @@ -1727,7 +1733,8 @@ test "detached wire carries compact body rows and exact pointer metrics" { var cells: [8]pardes.Cell = @splat(.{}); var logical: [12]pardes.Cell = @splat(.{}); logical[10] = .{ .text = "z".* ++ @as([6]u8, @splat(0)), .len = 1, .default = false }; - const layer: pardes.BodyLayer = .{ .pane = 0, .serial = 42, .viewport = .{ .x = 0, .y = 0, .w = 2, .h = 4 }, .cols = 2, .rows = 6, .context_rows = 2, .cells = &logical, .cursor = .{ .x = 0, .y = 5, .bar = true } }; + var layer: pardes.BodyLayer = .{ .pane = 0, .serial = 42, .viewport = .{ .x = 0, .y = 0, .w = 2, .h = 4 }, .cols = 2, .rows = 6, .context_rows = 2, .cells = &logical, .cursor = .{ .x = 0, .y = 5, .bar = true } }; + layer.context_separators.set(0); const out = try gpa.alloc(u8, frameBound(2, 4) + layersBound(&.{layer})); defer gpa.free(out); const encoded = try encodeFrameLayers(out, 2, 4, null, .link, &cells, &cells, &.{layer}); @@ -1738,6 +1745,10 @@ test "detached wire carries compact body rows and exact pointer metrics" { try frame.apply(&cells); try frame.applyLayers(gpa, &decoded); try std.testing.expectEqual(@as(u16, 6), decoded[0].rows); + try std.testing.expect(decoded[0].context_separators.isSet(0)); + try std.testing.expect(!decoded[0].context_separators.isSet(1)); + try std.testing.expect(decoded[0].hasContextBorderAfter(0)); + try std.testing.expect(decoded[0].hasContextBorderAfter(1)); try std.testing.expectEqualStrings("z", decoded[0].cells[10].grapheme()); try std.testing.expectEqual(@as(u16, 5), decoded[0].cursor.?.y); const pointer = layer.hitAt(4, 27, 8, 16, 6, 8).?; @@ -1754,6 +1765,7 @@ test "detached wire carries compact body rows and exact pointer metrics" { for (decoded) |item| { try std.testing.expectEqual(@as(u16, 0), item.rows); try std.testing.expectEqual(@as(usize, 0), item.cells.len); + try std.testing.expectEqual(@as(usize, 0), item.context_separators.count()); } const no_layers = try encodeFramePointer(out, 2, 4, null, .arrow, &cells, &cells); const cleared_packet = (try framed(no_layers)).?; |