38 lines
754 B
Go
38 lines
754 B
Go
package parse
|
|
|
|
import (
|
|
"bufio"
|
|
"bytes"
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
"regexp"
|
|
|
|
"git.sr.ht/~rjarry/aerc/logging"
|
|
)
|
|
|
|
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 {
|
|
logging.Warnf("failed write ", err)
|
|
}
|
|
_, err = buf.Write([]byte("\n"))
|
|
if err != nil {
|
|
logging.Warnf("failed write ", err)
|
|
}
|
|
}
|
|
if err := scanner.Err(); err != nil {
|
|
fmt.Fprintf(os.Stderr, "failed to read line: %v\n", err)
|
|
}
|
|
return buf
|
|
}
|