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// Package main outputs a markdown formatted document describing the provided email
package main
import (
"fmt"
"io"
"os"
"path/filepath"
"github.com/jhillyerd/enmime"
"github.com/jhillyerd/enmime/cmd"
)
type dumper struct {
errOut, stdOut io.Writer
exit exitFunc
}
type exitFunc func(int)
func newDefaultDumper() *dumper {
return &dumper{
errOut: os.Stderr,
stdOut: os.Stdout,
exit: os.Exit,
}
}
func main() {
d := newDefaultDumper()
d.exit(d.dump(os.Args))
}
func (d *dumper) dump(args []string) int {
if len(args) < 2 {
fmt.Fprintln(d.errOut, "Missing filename argument")
return 1
}
reader, err := os.Open(args[1])
if err != nil {
fmt.Fprintln(d.errOut, "Failed to open file:", err)
return 1
}
// basename is used as the markdown title.
basename := filepath.Base(args[1])
e, err := enmime.ReadEnvelope(reader)
if err != nil {
fmt.Fprintf(d.errOut, "Failed to read envelope:\n%+v\n", err)
return 1
}
if err = cmd.EnvelopeToMarkdown(d.stdOut, e, basename); err != nil {
fmt.Fprintf(d.errOut, "Failed to render markdown:\n%+v\n", err)
return 1
}
return 0
}
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