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const std = @import("std");
const assert = std.debug.assert;
const RGB = @import("color.zig").RGB;
/// The map of all available X11 colors.
pub const map = colorMap() catch @compileError("failed to parse rgb.txt");
pub const ColorMap = std.StaticStringMapWithEql(RGB, std.static_string_map.eqlAsciiIgnoreCase);
fn colorMap() !ColorMap {
@setEvalBranchQuota(500_000);
const KV = struct { []const u8, RGB };
// The length of our data is the number of lines in the rgb file.
const len = std.mem.count(u8, data, "\n");
var kvs: [len]KV = undefined;
// Parse the line. This is not very robust parsing, because we expect
// a very exact format for rgb.txt. However, this is all done at comptime
// so if our data is bad, we should hopefully get an error here or one
// of our unit tests will catch it.
var iter = std.mem.splitScalar(u8, data, '\n');
var i: usize = 0;
while (iter.next()) |line| {
if (line.len == 0) continue;
const r = try std.fmt.parseInt(u8, std.mem.trim(u8, line[0..3], " "), 10);
const g = try std.fmt.parseInt(u8, std.mem.trim(u8, line[4..7], " "), 10);
const b = try std.fmt.parseInt(u8, std.mem.trim(u8, line[8..11], " "), 10);
const name = std.mem.trim(u8, line[12..], " \t\n");
kvs[i] = .{ name, .{ .r = r, .g = g, .b = b } };
i += 1;
}
assert(i == len);
return .initComptime(kvs);
}
/// This is the rgb.txt file from the X11 project. This was last sourced
/// from this location: https://gitlab.freedesktop.org/xorg/app/rgb
/// This data is licensed under the MIT/X11 license while this Zig file is
/// licensed under the same license as Ghostty.
const data = @embedFile("res/rgb.txt");
test {
const testing = std.testing;
try testing.expectEqual(null, map.get("nosuchcolor"));
try testing.expectEqual(RGB{ .r = 255, .g = 255, .b = 255 }, map.get("white").?);
try testing.expectEqual(RGB{ .r = 0, .g = 250, .b = 154 }, map.get("medium spring green"));
try testing.expectEqual(RGB{ .r = 34, .g = 139, .b = 34 }, map.get("ForestGreen"));
try testing.expectEqual(RGB{ .r = 34, .g = 139, .b = 34 }, map.get("FoReStGReen"));
try testing.expectEqual(RGB{ .r = 0, .g = 0, .b = 0 }, map.get("black"));
try testing.expectEqual(RGB{ .r = 255, .g = 0, .b = 0 }, map.get("red"));
try testing.expectEqual(RGB{ .r = 0, .g = 255, .b = 0 }, map.get("green"));
try testing.expectEqual(RGB{ .r = 0, .g = 0, .b = 255 }, map.get("blue"));
try testing.expectEqual(RGB{ .r = 255, .g = 255, .b = 255 }, map.get("white"));
try testing.expectEqual(RGB{ .r = 124, .g = 252, .b = 0 }, map.get("lawngreen"));
try testing.expectEqual(RGB{ .r = 0, .g = 250, .b = 154 }, map.get("mediumspringgreen"));
try testing.expectEqual(RGB{ .r = 34, .g = 139, .b = 34 }, map.get("forestgreen"));
}
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