This repository has no description
ansi: full terminal style & color
mwahh <3
+96
+96
src/ansi.zig
+96
src/ansi.zig
···
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const std = @import("std");
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const W = std.Io.Writer;
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const E = W.Error;
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pub const Style = enum(u8) {
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reset,
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bold,
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dim,
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italic,
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underline,
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blink,
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inverse,
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invisible,
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strikethrough,
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pub fn ansi(self: Style) u8 {
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return @intFromEnum(self);
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}
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};
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pub fn style(w: *W, b: Style) E!void {
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try base(w, b.ansi());
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}
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pub const Color = enum(u8) {
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black,
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red,
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green,
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yellow,
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blue,
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magenta,
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cyan,
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white,
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default,
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pub fn foreground(self: Color) u8 {
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return @intFromEnum(self) + 30;
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}
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pub fn background(self: Color) u8 {
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return @intFromEnum(self) + 40;
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}
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pub fn foreground_bright(self: Color) u8 {
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return @intFromEnum(self) + 90;
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}
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pub fn background_bright(self: Color) u8 {
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return @intFromEnum(self) + 100;
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}
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};
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pub fn fg(w: *W, color: Color) E!void {
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try base(w, color.foreground());
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}
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pub fn bg(w: *W, color: Color) E!void {
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try base(w, color.background());
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}
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pub fn fg_bright(w: *W, color: Color) E!void {
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try base(w, color.foreground_bright());
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}
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pub fn bg_bright(w: *W, color: Color) E!void {
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try base(w, color.background_bright());
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}
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pub fn fg_256(w: *W, color: u8) E!void {
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try params(w, &[_]u8{ 38, 5, color });
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}
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pub fn bg_256(w: *W, color: u8) E!void {
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try params(w, &[_]u8{ 48, 5, color });
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}
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pub fn fg_rgb(w: *W, red: u8, green: u8, blue: u8) E!void {
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try params(w, &[_]u8{ 38, 2, red, green, blue });
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}
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pub fn bg_rgb(w: *W, red: u8, green: u8, blue: u8) E!void {
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try params(w, &[_]u8{ 48, 2, red, green, blue });
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}
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fn params(w: *W, p: []const u8) E!void {
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try csi(w);
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for (p, 0..) |c, i| {
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try w.printInt(c, 10, .lower, .{});
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if (i < p.len - 1) try w.writeByte(';');
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}
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try w.writeByte('m');
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}
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fn base(w: *W, c: u8) E!void {
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try csi(w);
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try w.printInt(c, 10, .lower, .{});
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try w.writeByte('m');
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}
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fn csi(w: *W) E!void {
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try w.writeByte('\x1B');
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try w.writeByte('[');
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}