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termio/exec: hook up xtgettcap

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This commit is contained in:
Mitchell Hashimoto
2023-09-27 14:27:56 -07:00
parent a02378f969
commit 8208947290
2 changed files with 15 additions and 12 deletions
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18
src/terminal/dcs.zig
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@@ -123,13 +123,11 @@ pub const Command = union(enum) {
pub const XTGETTCAP = struct {
data: std.ArrayList(u8),
// Note: do not reset this. The next function mutates data so it is
// unsafe to reset this and reiterate.
i: usize = 0,
/// Returns the next terminfo key being requested and null
/// when there are no more keys.
/// when there are no more keys. The returned value is NOT hex-decoded
/// because we expect to use a comptime lookup table.
pub fn next(self: *XTGETTCAP) ?[]const u8 {
if (self.i >= self.data.items.len) return null;
@@ -141,9 +139,7 @@ pub const Command = union(enum) {
// never read.
self.i += idx + 1;
// HEX decode in-place so we don't have to allocate. If invalid
// hex is given then we just return null and stop processing.
return std.fmt.hexToBytes(rem, rem[0..idx]) catch null;
return rem[0..idx];
}
};
};
@@ -183,7 +179,7 @@ test "XTGETTCAP command" {
var cmd = h.unhook().?;
defer cmd.deinit();
try testing.expect(cmd == .xtgettcap);
try testing.expectEqualStrings("Smulx", cmd.xtgettcap.next().?);
try testing.expectEqualStrings("536D756C78", cmd.xtgettcap.next().?);
try testing.expect(cmd.xtgettcap.next() == null);
}
@@ -198,8 +194,8 @@ test "XTGETTCAP command multiple keys" {
var cmd = h.unhook().?;
defer cmd.deinit();
try testing.expect(cmd == .xtgettcap);
try testing.expectEqualStrings("Smulx", cmd.xtgettcap.next().?);
try testing.expectEqualStrings("Smulx", cmd.xtgettcap.next().?);
try testing.expectEqualStrings("536D756C78", cmd.xtgettcap.next().?);
try testing.expectEqualStrings("536D756C78", cmd.xtgettcap.next().?);
try testing.expect(cmd.xtgettcap.next() == null);
}
@@ -214,5 +210,7 @@ test "XTGETTCAP command invalid data" {
var cmd = h.unhook().?;
defer cmd.deinit();
try testing.expect(cmd == .xtgettcap);
try testing.expectEqualStrings("who", cmd.xtgettcap.next().?);
try testing.expectEqualStrings("536D756C78", cmd.xtgettcap.next().?);
try testing.expect(cmd.xtgettcap.next() == null);
}