First Commit of Voltha-Go-Controller from Radisys
Change-Id: I8e2e908e7ab09a4fe3d86849da18b6d69dcf4ab0
diff --git a/vendor/github.com/guumaster/tablewriter/wrap.go b/vendor/github.com/guumaster/tablewriter/wrap.go
new file mode 100644
index 0000000..a092ee1
--- /dev/null
+++ b/vendor/github.com/guumaster/tablewriter/wrap.go
@@ -0,0 +1,99 @@
+// Copyright 2014 Oleku Konko All rights reserved.
+// Use of this source code is governed by a MIT
+// license that can be found in the LICENSE file.
+
+// This module is a Table Writer API for the Go Programming Language.
+// The protocols were written in pure Go and works on windows and unix systems
+
+package tablewriter
+
+import (
+ "math"
+ "strings"
+
+ "github.com/mattn/go-runewidth"
+)
+
+var (
+ nl = "\n"
+ sp = " "
+)
+
+const defaultPenalty = 1e5
+
+// Wrap wraps s into a paragraph of lines of length lim, with minimal
+// raggedness.
+func WrapString(s string, lim int) ([]string, int) {
+ words := strings.Split(strings.Replace(s, nl, sp, -1), sp)
+ var lines []string
+ max := 0
+ for _, v := range words {
+ max = runewidth.StringWidth(v)
+ if max > lim {
+ lim = max
+ }
+ }
+ for _, line := range WrapWords(words, 1, lim, defaultPenalty) {
+ lines = append(lines, strings.Join(line, sp))
+ }
+ return lines, lim
+}
+
+// WrapWords is the low-level line-breaking algorithm, useful if you need more
+// control over the details of the text wrapping process. For most uses,
+// WrapString will be sufficient and more convenient.
+//
+// WrapWords splits a list of words into lines with minimal "raggedness",
+// treating each rune as one unit, accounting for spc units between adjacent
+// words on each line, and attempting to limit lines to lim units. Raggedness
+// is the total error over all lines, where error is the square of the
+// difference of the length of the line and lim. Too-long lines (which only
+// happen when a single word is longer than lim units) have pen penalty units
+// added to the error.
+func WrapWords(words []string, spc, lim, pen int) [][]string {
+ n := len(words)
+
+ length := make([][]int, n)
+ for i := 0; i < n; i++ {
+ length[i] = make([]int, n)
+ length[i][i] = runewidth.StringWidth(words[i])
+ for j := i + 1; j < n; j++ {
+ length[i][j] = length[i][j-1] + spc + runewidth.StringWidth(words[j])
+ }
+ }
+ nbrk := make([]int, n)
+ cost := make([]int, n)
+ for i := range cost {
+ cost[i] = math.MaxInt32
+ }
+ for i := n - 1; i >= 0; i-- {
+ if length[i][n-1] <= lim {
+ cost[i] = 0
+ nbrk[i] = n
+ } else {
+ for j := i + 1; j < n; j++ {
+ d := lim - length[i][j-1]
+ c := d*d + cost[j]
+ if length[i][j-1] > lim {
+ c += pen // too-long lines get a worse penalty
+ }
+ if c < cost[i] {
+ cost[i] = c
+ nbrk[i] = j
+ }
+ }
+ }
+ }
+ var lines [][]string
+ i := 0
+ for i < n {
+ lines = append(lines, words[i:nbrk[i]])
+ i = nbrk[i]
+ }
+ return lines
+}
+
+// getLines decomposes a multiline string into a slice of strings.
+func getLines(s string) []string {
+ return strings.Split(s, nl)
+}