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package parse
import (
"bufio"
"bytes"
"fmt"
"io"
"os"
"regexp"
"git.sr.ht/~rjarry/aerc/log"
)
var ansi = regexp.MustCompile("\x1B\\[[0-?]*[ -/]*[@-~]")
// StripAnsi strips ansi escape codes from the reader
func StripAnsi(r io.Reader) io.Reader {
buf := bytes.NewBuffer(nil)
scanner := bufio.NewScanner(r)
scanner.Buffer(nil, 1024*1024*1024)
for scanner.Scan() {
line := scanner.Bytes()
line = ansi.ReplaceAll(line, []byte(""))
_, err := buf.Write(line)
if err != nil {
log.Warnf("failed write ", err)
}
_, err = buf.Write([]byte("\n"))
if err != nil {
log.Warnf("failed write ", err)
}
}
if err := scanner.Err(); err != nil {
fmt.Fprintf(os.Stderr, "failed to read line: %v\n", err)
}
return buf
}
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