text.go

package toolbox

import "unicode"

//IsASCIIText return true if supplied string does not have binary data
func IsASCIIText(candidate string) bool {
	for _, r := range candidate {
		if r == '\n' || r == '\r' || r == '\t' {
			continue
		}
		if r > unicode.MaxASCII || !unicode.IsPrint(r) || r == '`' {
			return false
		}
	}
	return true
}

//IsPrintText return true if all candidate characters are printable (unicode.IsPrintText)
func IsPrintText(candidate string) bool {
	for _, r := range candidate {
		if !unicode.IsPrint(r) {
			if r == '\n' || r == '\r' || r == '\t' || r == '`' {
				continue
			}
			return false
		}
	}
	return true
}