package blog

import (
	"unicode"
)

const TimeFormat string = "2006-01-02 15:04"

func isASCII(r rune) bool {
	return r <= 127
}

func ConvASCII(s string) string {
	out := []rune(s)
	for i, c := range out {
		if (isASCII(c) && (unicode.IsLetter(c) || unicode.IsDigit(c))) || c == '.' {
			// keep unchanged
		} else if unicode.IsSpace(c) || unicode.IsPunct(c) {
			out[i] = '-'
		} else {
			out[i] = 'x'
		}
	}
	return string(out)
}