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Use a Printable struct for ansi rgb formatting instead of explicit allocations (#2696)

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* Use a `Printable` struct for ansi rgb formatting

* update release notes

* Some renaming.

---------

Co-authored-by: Christoffer Lerno <christoffer@aegik.com>
This commit is contained in:
Book-reader
2026-01-16 10:26:18 +13:00
committed by GitHub
parent 3f7a547d8a
commit cd2d1a04d8
3 changed files with 41 additions and 7 deletions
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40
lib/std/core/ansi.c3
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@@ -1,4 +1,5 @@
module std::core::string::ansi;
import std::io;
enum Ansi : const inline String
{
@@ -56,6 +57,37 @@ enum Ansi : const inline String
BG_BRIGHT_WHITE = "\e[107m",
}
struct AnsiColor (Printable)
{
char r, g, b;
bool bg;
}
fn usz? AnsiColor.to_format(&self, Formatter* fmt) @dynamic
{
return fmt.printf("\e[%s8;2;%s;%s;%sm", self.bg ? 4 : 3, self.r, self.g, self.b);
}
<*
24-bit color code
@return `A struct that, when formatted with '%s', sets the foreground or background colour to the specified rgb value`
*>
fn AnsiColor get_color_rgb(char r, char g, char b, bool bg = false)
{
return {r, g, b, bg};
}
<*
24-bit color code
@return `A struct that, when formatted with '%s', sets the foreground or background colour of printed text to the specified rgb value`
*>
fn AnsiColor get_color(uint rgb, bool bg = false)
{
return {(char)(rgb >> 16), (char)((rgb & 0x00FF00) >> 8), (char)rgb, bg};
}
<*
8-bit color code
@@ -96,7 +128,7 @@ macro String color(uint $rgb, bool $bg = false) @const
@require rgb <= 0xFF_FF_FF : `Expected a 24 bit RGB value`
@return `the string char for the given foreground color`
*>
fn String make_color(Allocator mem, uint rgb, bool bg = false)
fn String make_color(Allocator mem, uint rgb, bool bg = false) @deprecated("use get_color instead")
{
return make_color_rgb(mem, (char)(rgb >> 16), (char)((rgb & 0xFF00) >> 8), (char)rgb, bg);
}
@@ -107,7 +139,7 @@ fn String make_color(Allocator mem, uint rgb, bool bg = false)
@require rgb <= 0xFF_FF_FF : `Expected a 24 bit RGB value`
@return `the string char for the given foreground color`
*>
fn String make_tcolor(uint rgb, bool bg = false)
fn String make_tcolor(uint rgb, bool bg = false) @deprecated("use get_color instead")
{
return make_color_rgb(tmem, (char)(rgb >> 16), (char)((rgb & 0xFF00) >> 8), (char)rgb, bg);
}
@@ -117,7 +149,7 @@ fn String make_tcolor(uint rgb, bool bg = false)
@return `the string char for the given foreground color`
*>
fn String make_color_rgb(Allocator mem, char r, char g, char b, bool bg = false)
fn String make_color_rgb(Allocator mem, char r, char g, char b, bool bg = false) @deprecated("use get_color_rgb instead")
{
return string::format(mem, "\e[%s8;2;%s;%s;%sm", bg ? 4 : 3, r, g, b);
}
@@ -127,7 +159,7 @@ fn String make_color_rgb(Allocator mem, char r, char g, char b, bool bg = false)
@return `the string char for the given foreground color`
*>
fn String make_tcolor_rgb(char r, char g, char b, bool bg = false)
fn String make_tcolor_rgb(char r, char g, char b, bool bg = false) @deprecated("use get_color_rgb instead")
{
return string::format(tmem, "\e[%s8;2;%s;%s;%sm", bg ? 4 : 3, r, g, b);
}