55 lines
937 B
Go
55 lines
937 B
Go
package txt
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import (
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"strings"
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)
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const (
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Ellipsis = "…"
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ClipRole = 32
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ClipKeyword = 40
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ClipUserName = 64
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ClipSlug = 80
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ClipCategory = 100
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ClipDefault = 160
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ClipName = 160
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ClipTitle = 200
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ClipEmail = 255
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ClipPath = 500
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ClipShortText = 1024
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ClipText = 2048
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ClipLongText = 4096
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ClipPassword = 4096
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)
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// Clip shortens a string to the given number of runes, and removes all leading and trailing white space.
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func Clip(s string, size int) string {
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s = strings.TrimSpace(s)
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if s == "" || size <= 0 {
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return ""
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}
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runes := []rune(s)
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if len(runes) > size {
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s = string(runes[0 : size-1])
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}
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return strings.TrimSpace(s)
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}
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// Shorten shortens a string with suffix.
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func Shorten(s string, size int, suffix string) string {
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if suffix == "" {
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suffix = Ellipsis
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}
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l := len(suffix)
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if len(s) < size || size < l+1 {
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return s
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}
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return Clip(s, size-l) + suffix
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}
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