Files
mautrix-telegram/pkg/gotd/telegram/query/internal/itergen/gen.go
T
2025-06-27 20:03:37 -07:00

70 lines
1.4 KiB
Go

package main
import (
"context"
"embed"
"flag"
"fmt"
"io"
"os"
"os/signal"
"github.com/go-faster/errors"
"go.uber.org/multierr"
"go.mau.fi/mautrix-telegram/pkg/gotd/telegram/query/internal/genutil"
)
//go:embed _template/*.tmpl
var templates embed.FS
func generate(ctx context.Context, out io.Writer, cfg collectorConfig) error {
pkg, err := genutil.Load(ctx, "go.mau.fi/mautrix-telegram/pkg/gotd/tg")
if err != nil {
return errors.Wrap(err, "load")
}
c := newCollector(pkg, cfg)
config, err := c.Config()
if err != nil {
return errors.Wrap(err, "collect")
}
return genutil.WriteTemplate(templates, out, "header", config)
}
func run(ctx context.Context) (err error) {
var out io.Writer = os.Stdout
set := flag.NewFlagSet("gen", flag.ExitOnError)
output := set.String("out", "", "output file")
cfg := collectorConfig{}
cfg.fromFlags(set)
if err := set.Parse(os.Args[1:]); err != nil {
return errors.Wrap(err, "parse flags")
}
if *output != "" {
f, err := os.Create(*output)
if err != nil {
return errors.Wrapf(err, "can't create file %q", *output)
}
defer func() {
multierr.AppendInto(&err, f.Close())
}()
out = f
}
return generate(ctx, out, cfg)
}
func main() {
ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt)
defer cancel()
if err := run(ctx); err != nil {
fmt.Println(err)
return
}
}