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import std.algorithm : each, map, cartesianProduct, filter, joiner, sort, uniq;
import std.array : array;
import std.conv : to;
import std.format;
import std.range : chain, only;
import std.stdio;
import std.traits : EnumMembers;
enum BuildSystem
{
CMake,
Bazel
}
enum Cpu
{
amd64,
AArch64,
ARM,
MIPS,
POWER,
RISCV,
s390x,
}
enum Os
{
Linux,
FreeBSD,
MacOS,
Windows,
}
struct Badge
{
const:
Cpu cpu;
Os os;
BuildSystem build_system;
string id()
{
return format("%d%c%d", cast(uint)(os) + 1, cast(char)('a' + cpu), cast(uint)(build_system));
}
string disabled_image_ref()
{
return format("[d%d]", cast(uint)(build_system));
}
string link_ref()
{
return format("[l%s]", id());
}
string image_ref()
{
return format("[i%s]", id());
}
bool enabled()
{
final switch (build_system)
{
case BuildSystem.CMake:
return os == Os.Linux || cpu == Cpu.amd64;
case BuildSystem.Bazel:
return os == Os.Linux && cpu == Cpu.amd64;
}
}
string text()
{
if (enabled())
return format("[![]%s]%s", image_ref, link_ref);
return format("![]%s", disabled_image_ref);
}
string disabled_image_link()
{
return format("%s: https://img.shields.io/badge/%s-N%%2FA-lightgrey", disabled_image_ref, build_system);
}
string filename()
{
import std.uni : toLower;
return toLower(format("%s_%s_%s.yml", cpu, os, build_system));
}
string link_decl()
{
return format("%s: https://github.com/google/cpu_features/actions/workflows/%s", link_ref, filename());
}
string image_decl()
{
return format(
"%s: https://img.shields.io/github/actions/workflow/status/google/cpu_features/%s?branch=main&label=%s", image_ref, filename(), build_system);
}
}
auto tableHeader(in Cpu[] cpus)
{
return chain(only("Os"), cpus.map!(to!string)).array;
}
auto tableAlignment(in Cpu[] cpus)
{
return chain(only(":--"), cpus.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 Os os, in Cpu[] cpus, Range badges)
{
return chain(only(os.to!string), cpus.map!(cpu => tableCell(os, cpu, badges))).array;
}
auto tableRows(Range)(in Os[] oses, in Cpu[] cpus, Range badges)
{
return oses.map!(os => tableRow(os, cpus, badges)).array;
}
auto table(Range)(in Os[] oses, in Cpu[] cpus, Range badges)
{
return chain(only(tableHeader(cpus)), only(tableAlignment(cpus)), 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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