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terminal: printing char outside of ASCII with non-UTF8 charset is space

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This commit is contained in:
Mitchell Hashimoto
2022-12-14 21:50:32 -08:00
parent 4fae29ff13
commit ad9b773cd8
1 changed files with 24 additions and 0 deletions
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24
src/terminal/Terminal.zig
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@ -654,6 +654,10 @@ fn printCell(self: *Terminal, unmapped_c: u21) *Screen.Cell {
// UTF-8 or ASCII is used as-is
if (set == .utf8 or set == .ascii) break :c unmapped_c;
// If we're outside of ASCII range this is an invalid value in
// this table so we just return space.
if (unmapped_c > std.math.maxInt(u8)) break :c ' ';
// Get our lookup table and map it
const table = set.table();
break :c @intCast(u21, table[@intCast(u8, unmapped_c)]);
@ -1502,6 +1506,26 @@ test "Terminal: print charset" {
}
}
test "Terminal: print charset outside of ASCII" {
var t = try init(testing.allocator, 80, 80);
defer t.deinit(testing.allocator);
// G1 should have no effect
t.configureCharset(.G1, .dec_special);
t.configureCharset(.G2, .dec_special);
t.configureCharset(.G3, .dec_special);
// Basic grid writing
t.configureCharset(.G0, .dec_special);
try t.print('`');
try t.print(0x1F600);
{
var str = try t.plainString(testing.allocator);
defer testing.allocator.free(str);
try testing.expectEqualStrings("◆ ", str);
}
}
test "Terminal: print invoke charset" {
var t = try init(testing.allocator, 80, 80);
defer t.deinit(testing.allocator);