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feat: support for short hex colors in config

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This commit is contained in:
acsetter
2024-12-30 12:33:17 -05:00
committed by Jonathan Lopez
parent 3c0a985d4d
commit c95a28498d
1 changed files with 11 additions and 4 deletions
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15
src/config/Config.zig
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@ -3797,17 +3797,22 @@ pub const Color = struct {
pub fn fromHex(input: []const u8) !Color {
// Trim the beginning '#' if it exists
const trimmed = if (input.len != 0 and input[0] == '#') input[1..] else input;
if (trimmed.len != 6 and trimmed.len != 3) return error.InvalidValue;
// We expect exactly 6 for RRGGBB
if (trimmed.len != 6) return error.InvalidValue;
// Expand short hex values to full hex values
const rgb: []const u8 = if (trimmed.len == 3) &.{
trimmed[0], trimmed[0],
trimmed[1], trimmed[1],
trimmed[2], trimmed[2],
} else trimmed;
// Parse the colors two at a time.
var result: Color = undefined;
comptime var i: usize = 0;
inline while (i < 6) : (i += 2) {
const v: u8 =
((try std.fmt.charToDigit(trimmed[i], 16)) * 16) +
try std.fmt.charToDigit(trimmed[i + 1], 16);
((try std.fmt.charToDigit(rgb[i], 16)) * 16) +
try std.fmt.charToDigit(rgb[i + 1], 16);
@field(result, switch (i) {
0 => "r",
@ -3827,6 +3832,8 @@ pub const Color = struct {
try testing.expectEqual(Color{ .r = 10, .g = 11, .b = 12 }, try Color.fromHex("#0A0B0C"));
try testing.expectEqual(Color{ .r = 10, .g = 11, .b = 12 }, try Color.fromHex("0A0B0C"));
try testing.expectEqual(Color{ .r = 255, .g = 255, .b = 255 }, try Color.fromHex("FFFFFF"));
try testing.expectEqual(Color{ .r = 255, .g = 255, .b = 255 }, try Color.fromHex("FFF"));
try testing.expectEqual(Color{ .r = 51, .g = 68, .b = 85 }, try Color.fromHex("#345"));
}
test "parseCLI from name" {