forked from jshiffer/matterbridge
62 lines
1.0 KiB
Go
62 lines
1.0 KiB
Go
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// Command tomlv validates TOML documents and prints each key's type.
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package main
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import (
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"flag"
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"fmt"
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"log"
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"os"
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"path"
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"strings"
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"text/tabwriter"
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"github.com/BurntSushi/toml"
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)
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var (
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flagTypes = false
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)
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func init() {
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log.SetFlags(0)
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flag.BoolVar(&flagTypes, "types", flagTypes,
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"When set, the types of every defined key will be shown.")
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flag.Usage = usage
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flag.Parse()
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}
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func usage() {
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log.Printf("Usage: %s toml-file [ toml-file ... ]\n",
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path.Base(os.Args[0]))
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flag.PrintDefaults()
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os.Exit(1)
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}
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func main() {
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if flag.NArg() < 1 {
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flag.Usage()
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}
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for _, f := range flag.Args() {
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var tmp interface{}
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md, err := toml.DecodeFile(f, &tmp)
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if err != nil {
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log.Fatalf("Error in '%s': %s", f, err)
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}
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if flagTypes {
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printTypes(md)
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}
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}
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}
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func printTypes(md toml.MetaData) {
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tabw := tabwriter.NewWriter(os.Stdout, 0, 0, 2, ' ', 0)
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for _, key := range md.Keys() {
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fmt.Fprintf(tabw, "%s%s\t%s\n",
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strings.Repeat(" ", len(key)-1), key, md.Type(key...))
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}
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tabw.Flush()
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}
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