65 lines
1.2 KiB
Go
65 lines
1.2 KiB
Go
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package main
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import (
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"flag"
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"io/ioutil"
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"log"
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"os"
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"os/exec"
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"strings"
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)
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var (
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protoPath = flag.String("proto-path",
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"/usr/share/xcb", "path to directory of X protocol XML files")
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gofmt = flag.Bool("gofmt", true,
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"When disabled, gofmt will not be run before outputting Go code")
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)
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func usage() {
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basename := os.Args[0]
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if lastSlash := strings.LastIndex(basename, "/"); lastSlash > -1 {
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basename = basename[lastSlash+1:]
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}
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log.Printf("Usage: %s [flags] xml-file", basename)
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flag.PrintDefaults()
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os.Exit(1)
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}
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func init() {
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log.SetFlags(0)
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}
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func main() {
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flag.Usage = usage
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flag.Parse()
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if flag.NArg() != 1 {
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log.Printf("A single XML protocol file can be processed at once.")
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flag.Usage()
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}
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// Read the single XML file into []byte
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xmlBytes, err := ioutil.ReadFile(flag.Arg(0))
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if err != nil {
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log.Fatal(err)
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}
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// Initialize the buffer, parse it, and filter it through gofmt.
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c := newContext()
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c.Morph(xmlBytes)
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if !*gofmt {
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c.out.WriteTo(os.Stdout)
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} else {
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cmdGofmt := exec.Command("gofmt")
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cmdGofmt.Stdin = c.out
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cmdGofmt.Stdout = os.Stdout
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cmdGofmt.Stderr = os.Stderr
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err = cmdGofmt.Run()
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if err != nil {
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log.Fatal(err)
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}
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}
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}
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