resolver-go/cmd/botan-gen/main.go
raw ยท 1816 bytes
package main
import (
"flag"
"fmt"
"go/format"
"os"
"strings"
"github.com/tgckpg/botanres-go/internal/classmap"
)
func main() {
src := flag.String("src", "./src", "BotanJS source root")
out := flag.String("out", "internal/generated/classmap_gen.go", "generated Go output")
pkg := flag.String("pkg", "generated", "generated package name")
flag.Parse()
m, err := classmap.Build(*src)
if err != nil {
fatal(err)
}
if err := os.MkdirAll(dir(*out), 0o755); err != nil {
fatal(err)
}
code := render(*pkg, m)
fmted, err := format.Source([]byte(code))
if err != nil {
_, _ = os.Stderr.WriteString(code)
fatal(err)
}
if err := os.WriteFile(*out, fmted, 0o644); err != nil {
fatal(err)
}
}
func render(pkg string, m *classmap.Map) string {
var b strings.Builder
b.WriteString("// Code generated by botan-gen; DO NOT EDIT.\n")
b.WriteString("package " + pkg + "\n\n")
b.WriteString("import \"github.com/tgckpg/botanres-go/internal/classmap\"\n\n")
b.WriteString("var ClassMap = &classmap.Map{\nSymbols: map[string]classmap.Symbol{\n")
for _, s := range classmap.SortedSymbols(m) {
fmt.Fprintf(&b, "%q: {Name:%q, Kind:%q, Parent:%q, Imports:%#v, Resource: classmap.Resource{Src:%q, JSHash:%q, CSSHash:%q}},\n",
s.Name, s.Name, string(s.Kind), s.Parent, s.Imports, s.Resource.Src, s.Resource.JSHash, s.Resource.CSSHash)
}
b.WriteString("},\nFiles: map[string]classmap.Resource{\n")
for _, r := range classmap.SortedFiles(m) {
fmt.Fprintf(&b, "%q: {Src:%q, JSHash:%q, CSSHash:%q},\n", r.Src, r.Src, r.JSHash, r.CSSHash)
}
b.WriteString("},\n}\n")
return b.String()
}
func dir(path string) string {
idx := strings.LastIndexAny(path, `/\\`)
if idx < 0 {
return "."
}
return path[:idx]
}
func fatal(err error) {
fmt.Fprintln(os.Stderr, "botan-gen:", err)
os.Exit(1)
}