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36 lines
643 B
Go
36 lines
643 B
Go
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package slug
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import (
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"regexp"
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"strconv"
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"strings"
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)
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type Slugger struct {
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occurences map[string]int
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}
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var (
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expWhitespace = regexp.MustCompile(`\s`)
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expSpecials = regexp.MustCompile("[\u2000-\u206F\u2E00-\u2E7F\\'!\"#$%&()*+,./:;<=>?@[\\]^`{|}~’]")
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)
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func New() *Slugger {
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return &Slugger{
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occurences: make(map[string]int),
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}
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}
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func (s *Slugger) Slug(str string) string {
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str = expWhitespace.ReplaceAllString(str, "-")
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str = expSpecials.ReplaceAllString(str, "")
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old := str
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if o := s.occurences[str]; o > 0 {
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str += "-" + strconv.Itoa(o)
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}
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s.occurences[old] = s.occurences[old] + 1
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return strings.ToLower(str)
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}
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