hcl: move fmt to hclfmt repository

This commit is contained in:
Fatih Arslan 2015-10-25 19:43:02 +03:00
parent 0f1099656c
commit df379b5fc1
2 changed files with 2 additions and 133 deletions

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@ -4,7 +4,8 @@ HCL is a lexer and parser family written in Go for
[HCL](https://github.com/hashicorp/hcl) (Hashicorp Configuration Language). It [HCL](https://github.com/hashicorp/hcl) (Hashicorp Configuration Language). It
has several components, similar to Go's own parser family. It provides a set of has several components, similar to Go's own parser family. It provides a set of
packages to write tools and customize files written in HCL. For example both packages to write tools and customize files written in HCL. For example both
`hclfmt` and `hcl2json` is written based on these tools. [`hclfmt`](https://github.com/fatih/hclfmt) and `hcl2json` is written based on
these tools.
## API ## API

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@ -1,132 +0,0 @@
package main
import (
"errors"
"flag"
"fmt"
"go/scanner"
"io"
"io/ioutil"
"os"
"path/filepath"
"runtime/pprof"
"strings"
"github.com/fatih/hcl/printer"
)
var (
write = flag.Bool("w", false, "write result to (source) file instead of stdout")
// debugging
cpuprofile = flag.String("cpuprofile", "", "write cpu profile to this file")
)
func main() {
if err := realMain(); err != nil {
fmt.Fprintln(os.Stderr, err.Error())
os.Exit(1)
}
}
func realMain() error {
flag.Usage = usage
flag.Parse()
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
return fmt.Errorf("creating cpu profile: %s\n", err)
}
defer f.Close()
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
}
if flag.NArg() == 0 {
if *write {
return errors.New("error: cannot use -w with standard input")
}
return processFile("<standard input>", os.Stdin, os.Stdout, true)
}
for i := 0; i < flag.NArg(); i++ {
path := flag.Arg(i)
switch dir, err := os.Stat(path); {
case err != nil:
report(err)
case dir.IsDir():
walkDir(path)
default:
if err := processFile(path, nil, os.Stdout, false); err != nil {
report(err)
}
}
}
return nil
}
func usage() {
fmt.Fprintf(os.Stderr, "usage: hclfmt [flags] [path ...]\n")
flag.PrintDefaults()
os.Exit(2)
}
func report(err error) {
scanner.PrintError(os.Stderr, err)
}
func isHclFile(f os.FileInfo) bool {
// ignore non-hcl files
name := f.Name()
return !f.IsDir() && !strings.HasPrefix(name, ".") && strings.HasSuffix(name, ".hcl")
}
func walkDir(path string) {
filepath.Walk(path, visitFile)
}
func visitFile(path string, f os.FileInfo, err error) error {
if err == nil && isHclFile(f) {
err = processFile(path, nil, os.Stdout, false)
}
if err != nil {
report(err)
}
return nil
}
// If in == nil, the source is the contents of the file with the given filename.
func processFile(filename string, in io.Reader, out io.Writer, stdin bool) error {
if in == nil {
f, err := os.Open(filename)
if err != nil {
return err
}
defer f.Close()
in = f
}
src, err := ioutil.ReadAll(in)
if err != nil {
return err
}
res, err := printer.Format(src)
if err != nil {
return err
}
if *write {
err = ioutil.WriteFile(filename, res, 0644)
if err != nil {
return err
}
}
_, err = out.Write(res)
return err
}