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#!/usr/bin/env -S docker run --rm -v ${PWD}/scripts:/scripts -v ${PWD}/.github/workflows:/.github/workflows dlanguage/dmd dmd -run /scripts/generate_badges.d
// To run this script:
// cd /path/to/cpu_features
// ./scripts/generate_badges.d
import std.algorithm : each, map, cartesianProduct, filter, joiner, sort, uniq;
import std.array;
import std.base64 : Base64;
import std.conv : to;
import std.file : exists;
import std.format;
import std.range : chain, only;
import std.stdio;
import std.string : representation;
import std.traits : EnumMembers;
immutable string bazel_svg = `<svg role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M6 .16l5.786 5.786L6 11.732.214 5.946 6 .161zM0 6.214V12l5.786 5.786V12L0 6.214zM18 .16l5.786 5.786L18 11.732l-5.786-5.786L18 .161zM24 6.214V12l-5.786 5.786V12L24 6.214zM12 6.16l5.786 5.786L12 17.732l-5.786-5.786L12 6.161zM11.84 18.054v5.785l-5.786-5.785v-5.786l5.785 5.786zM12.16 18.054l5.786-5.786v5.786l-5.785 5.785v-5.785z" stroke="transparent" fill="white"/></svg>`;
const string bazel_svg_base64 = Base64.encode(representation(bazel_svg));
enum BuildSystem
{
CMake,
Bazel
}
enum Cpu
{
amd64,
AArch64,
ARM,
MIPS,
POWER,
RISCV,
LOONGARCH,
s390x,
}
enum Os
{
Linux,
FreeBSD,
MacOS,
Windows,
}
struct Badge
{
const:
Cpu cpu;
Os os;
BuildSystem build_system;
private:
string id()
{
return format("%d%c%d", cast(uint)(os) + 1, cast(char)('a' + cpu),
cast(uint)(build_system));
}
string link_ref()
{
return format("[l%s]", id());
}
string image_ref()
{
return format("[i%s]", id());
}
string filename()
{
import std.uni : toLower;
return toLower(format("%s_%s_%s.yml", cpu, os, build_system));
}
bool enabled()
{
return exists("../.github/workflows/" ~ filename());
}
string append_logo(string url)
{
final switch (build_system)
{
case BuildSystem.CMake:
return url ~ "&logo=cmake";
case BuildSystem.Bazel:
return url ~ "&logo=data:image/svg%2bxml;base64," ~ bazel_svg_base64;
}
}
public:
string disabled_image_ref()
{
return format("[d%d]", cast(uint)(build_system));
}
string text()
{
if (enabled())
return format("[![%s]%s]%s", build_system, image_ref, link_ref);
return format("![%s]%s", build_system, disabled_image_ref);
}
string disabled_image_link()
{
return append_logo(format("%s: https://img.shields.io/badge/n%%2Fa-lightgrey?",
disabled_image_ref));
}
string link_decl()
{
return format("%s: https://github.com/google/cpu_features/actions/workflows/%s",
link_ref, filename());
}
string image_decl()
{
return append_logo(format("%s: https://img.shields.io/github/actions/workflow/status/google/cpu_features/%s?branch=main&event=push&label=",
image_ref, filename()));
}
}
auto tableHeader(in Os[] oses)
{
return chain(only(""), oses.map!(to!string)).array;
}
auto tableAlignment(in Os[] oses)
{
return chain(only(":--"), oses.map!(v => "--:")).array;
}
auto tableCell(Range)(in Os os, in Cpu cpu, Range badges)
{
return badges.filter!(b => b.cpu == cpu && b.os == os)
.map!(b => b.text())
.joiner("<br/>").to!string;
}
auto tableRow(Range)(in Cpu cpu, in Os[] oses, Range badges)
{
return chain(only(cpu.to!string), oses.map!(os => tableCell(os, cpu, badges))).array;
}
auto tableRows(Range)(in Os[] oses, in Cpu[] cpus, Range badges)
{
return cpus.map!(cpu => tableRow(cpu, oses, badges)).array;
}
auto table(Range)(in Os[] oses, in Cpu[] cpus, Range badges)
{
return chain(only(tableHeader(oses)), only(tableAlignment(oses)),
tableRows(oses, cpus, badges));
}
void main()
{
immutable allCpus = [EnumMembers!Cpu];
immutable allOses = [EnumMembers!Os];
immutable allBuildSystems = [EnumMembers!BuildSystem];
auto badges = cartesianProduct(allCpus, allOses, allBuildSystems).map!(
t => Badge(t[0], t[1], t[2]));
writefln("%(|%-( %s |%) |\n%) |", table(allOses, allCpus, badges));
writeln();
badges.filter!(b => !b.enabled)
.map!(b => b.disabled_image_link())
.array
.sort
.uniq
.each!writeln;
badges.filter!(b => b.enabled)
.map!(b => [b.link_decl(), b.image_decl()])
.joiner().array.sort.uniq.each!writeln;
}
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