/
main.go
60 lines (49 loc) · 970 Bytes
/
main.go
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package main
import (
"flag"
"fmt"
"log"
"os"
)
const usage = `terrassist [options] <pkg> <type expression>
Given a type "Foo", <type expression> can be one of:
- Foo
- *Foo
- map[string]Foo
- map[string]*Foo
- *map[string]Foo
- *map[string]*Foo
- []Foo
- []*Foo
- *[]Foo
- *[]*Foo
Options:
`
func main() {
honorJSONIgnore := flag.Bool("j", false, `Ignore struct field that has json tag "-" specified`)
flag.Usage = func() {
fmt.Fprintf(flag.CommandLine.Output(), "%s\n", usage)
flag.PrintDefaults()
}
flag.Parse()
if len(flag.Args()) != 2 {
flag.Usage()
os.Exit(1)
}
pkgName, typeName := flag.Args()[0], flag.Args()[1]
ctx, err := NewCtx(CtxOptions{
Dir: ".",
PkgName: pkgName,
TypeExpr: typeName,
Flags: Flags{
HonorJSONIgnore: *honorJSONIgnore,
},
})
if err != nil {
log.Fatal(err)
}
f := ctx.run()
if err := f.Render(os.Stdout); err != nil {
log.Fatalf("failed to render: %v", err)
}
}