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bee/vendor/github.com/derekparker/delve/terminal/terminal_windows.go
2017-03-26 16:55:28 +02:00

36 lines
729 B
Go

package terminal
import (
"io"
"os"
"strings"
"syscall"
"github.com/mattn/go-colorable"
)
// getColorableWriter will return a writer that is capable
// of interpreting ANSI escape codes for terminal colors.
func getColorableWriter() io.Writer {
if strings.ToLower(os.Getenv("ConEmuANSI")) == "on" {
// The ConEmu terminal is installed. Use it.
return os.Stdout
}
const ENABLE_VIRTUAL_TERMINAL_PROCESSING = 0x0004
h, err := syscall.GetStdHandle(syscall.STD_OUTPUT_HANDLE)
if err != nil {
return os.Stdout
}
var m uint32
err = syscall.GetConsoleMode(h, &m)
if err != nil {
return os.Stdout
}
if m&ENABLE_VIRTUAL_TERMINAL_PROCESSING != 0 {
return os.Stdout
}
return colorable.NewColorableStdout()
}