Mortdecai
42 lines
884 B
Go
42 lines
884 B
Go
package parse
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import (
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"bufio"
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"bytes"
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"fmt"
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"io"
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"os"
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"regexp"
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"git.sr.ht/~rjarry/aerc/lib/log"
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)
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var AnsiReg = regexp.MustCompile(
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`\x1B\[[0-?]*[ -/]*[@-~]` + // CSI sequences: ESC [ ... final_byte
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`|` +
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`\x1B\][^\x07\x1B]*(?:\x07|\x1B\\)`, // OSC sequences: ESC ] ... (BEL | ESC \)
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)
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// StripAnsi strips ansi escape codes from the reader
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func StripAnsi(r io.Reader) io.Reader {
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buf := bytes.NewBuffer(nil)
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scanner := bufio.NewScanner(r)
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scanner.Buffer(nil, 1024*1024*1024)
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for scanner.Scan() {
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line := scanner.Bytes()
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line = AnsiReg.ReplaceAll(line, []byte(""))
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_, err := buf.Write(line)
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if err != nil {
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log.Warnf("failed write ", err)
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}
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_, err = buf.Write([]byte("\n"))
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if err != nil {
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log.Warnf("failed write ", err)
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}
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}
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if err := scanner.Err(); err != nil {
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fmt.Fprintf(os.Stderr, "failed to read line: %v\n", err)
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}
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return buf
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}
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