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package cmd
import (
"fmt"
"log"
"os"
"strings"
"text/tabwriter"
)
var tw = new(tabwriter.Writer)
func init() {
tw.Init(os.Stdout, 0, 8, 2, '\t', 0)
}
type columns []interface{}
func tabsPrint(values columns, lengths []int) {
if len(values) != len(lengths) {
log.Fatalf("Internal error! Mismatch during tabbed line print. Values: %d, Lengths: %d\n", len(values), len(lengths))
}
for i, value := range values {
format := "\t%s"
if i == 0 {
format = "%s"
}
fmt.Fprintf(tw, format, replaceCharacters(maxCharacters(fmt.Sprintf("%v", value), lengths[i])))
}
fmt.Fprintf(tw, "\n")
}
func tabsFlush() {
tw.Flush()
}
func replaceCharacters(s string) string {
s = strings.Replace(s, "\n", `\n`, -1)
s = strings.Replace(s, "\r", `\r`, -1)
s = strings.Replace(s, "\t", `\t`, -1)
return s
}
func maxCharacters(input string, maxLength int) string {
if len(input) > maxLength {
input = input[:maxLength-2] + ".."
}
return input
}
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