Marko Tikvić / webutility

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Commit a8f0d5a63ebe9483bd8fec8865f2e8a9da90de4c

Authored by Marko Tikvić
1 parent 84543a02b2
Exists in master

SplitText

Showing 1 changed file with 48 additions and 1 deletions   Show diff stats
... ... @@ -4,6 +4,7 @@ import (
4 4 "fmt"
5 5 "strconv"
6 6 "strings"
  7 + "unicode"
7 8 )
8 9  
9 10 const sanitisationPatern = "\"';&*<>=\\`:"
... ... @@ -100,6 +101,53 @@ func StringAt(s string, index int) string {
100 101 return string(s[index])
101 102 }
102 103  
  104 +// SplitText ...
  105 +func SplitText(s string, maxLen int) (lines []string) {
  106 + runes := []rune(s)
  107 +
  108 + i, start, sep, l := 0, 0, 0, 0
  109 + for i = 0; i < len(runes); i++ {
  110 + c := runes[i]
  111 +
  112 + if unicode.IsSpace(c) {
  113 + sep = i
  114 + }
  115 +
  116 + if c == '\n' {
  117 + if start != sep {
  118 + lines = append(lines, string(runes[start:sep]))
  119 + }
  120 + start = i
  121 + sep = i
  122 + l = 0
  123 + } else if l >= maxLen {
  124 + if start != sep {
  125 + lines = append(lines, string(runes[start:sep]))
  126 + sep = i
  127 + start = i - 1
  128 + l = 0
  129 + }
  130 + } else {
  131 + l++
  132 + }
  133 + }
  134 + if start != i-1 {
  135 + lines = append(lines, string(runes[start:i-1]))
  136 + }
  137 +
  138 + return lines
  139 +}
  140 +
  141 +const threeDots = "\u2056\u2056\u2056"
  142 +
  143 +func LimitTextWithThreeDots(txt string, maxLen int) string {
  144 + if len(txt) <= maxLen {
  145 + return txt
  146 + }
  147 +
  148 + return txt[:maxLen] + threeDots
  149 +}
  150 +
103 151 // SplitStringAtWholeWords ...
104 152 func SplitStringAtWholeWords(s string, maxLen int) (res []string) {
105 153 parts := strings.Split(s, " ")
... ... @@ -123,4 +171,3 @@ func SplitStringAtWholeWords(s string, maxLen int) (res []string) {
123 171  
124 172 return res
125 173 }
126   -
... ...