61 lines
1.4 KiB
Go
61 lines
1.4 KiB
Go
package main
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import (
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"bytes"
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"encoding/json"
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"flag"
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"fmt"
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"io/ioutil"
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"log"
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"os"
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"strings"
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"github.com/crusttech/crust/internal/rbac"
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)
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func main() {
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var (
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pkg = flag.String("package", "main", "Package name")
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input = flag.String("input", "", "Input .json filename")
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output = flag.String("output", "", "Output .go filename")
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fname = flag.String("function", "func Permissions() []rbac.OperationGroup", "Default function declaration")
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)
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flag.Parse()
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export := func(s string) string {
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s = strings.Replace(s, "true,", "true,\n", -1)
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s = strings.Replace(s, "false,", "false,\n", -1)
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s = strings.Replace(s, "{", "{\n", -1)
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s = strings.Replace(s, "}", ",\n}", -1)
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s = strings.Replace(s, "\", ", "\",\n", -1)
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var w bytes.Buffer
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fmt.Fprintln(&w, "package", *pkg)
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fmt.Fprintln(&w)
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fmt.Fprintln(&w, "import \"github.com/crusttech/crust/internal/rbac\"")
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fmt.Fprintln(&w)
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fmt.Fprintln(&w, "/* File is generated from", *input, "& main.go */")
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fmt.Fprintln(&w)
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fmt.Fprintln(&w, *fname, "{")
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fmt.Fprintln(&w, "\treturn", s)
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fmt.Fprintln(&w, "}")
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return w.String()
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}
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var result []rbac.OperationGroup
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f, err := os.Open(*input)
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if err != nil {
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log.Fatal(err)
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}
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if err := json.NewDecoder(f).Decode(&result); err != nil {
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log.Fatal(err)
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}
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source := export(fmt.Sprintf("%#v", result))
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if err := ioutil.WriteFile(*output, []byte(source), 0644); err != nil {
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log.Fatal(err)
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}
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fmt.Println(*output)
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}
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