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63 lines
1.7 KiB
Go
63 lines
1.7 KiB
Go
package kmiputil
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import (
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"regexp"
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"strings"
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"golang.org/x/text/cases"
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"golang.org/x/text/language"
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)
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var (
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nonWordAtWordBoundary = regexp.MustCompile(`(\W)([a-zA-Z][a-z])`)
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startingDigits = regexp.MustCompile(`^([\d]+)(.*)`)
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)
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// NormalizeName converts a string into the CamelCase format required for the XML and JSON encoding
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// of KMIP values. It should be used for tag names, type names, and enumeration value names.
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// Implementation of 5.4.1.1 and 5.5.1.1 from the KMIP Profiles specification.
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func NormalizeName(s string) string {
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// 1. Replace round brackets ‘(‘, ‘)’ with spaces
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s = strings.Map(func(r rune) rune {
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switch r {
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case '(', ')':
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return ' '
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}
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return r
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}, s)
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// 2. If a non-word char (not alpha, digit or underscore) is followed by a letter (either upper or lower case) then a lower case letter, replace the non-word char with space
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s = nonWordAtWordBoundary.ReplaceAllString(s, " $2")
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// 3. Replace remaining non-word chars (except whitespace) with underscore.
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s = strings.Map(func(r rune) rune {
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switch {
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case r >= 'a' && r <= 'z':
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case r >= 'A' && r <= 'Z':
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case r >= '0' && r <= '9':
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case r == '_':
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case r == ' ':
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default:
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return '_'
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}
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return r
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}, s)
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words := strings.Split(s, " ")
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for i, w := range words {
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if i == 0 {
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// 4. If the first word begins with a digit, move all digits at start of first word to end of first word
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w = startingDigits.ReplaceAllString(w, `$2$1`)
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}
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// 5. Capitalize the first letter of each word
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words[i] = cases.Title(language.AmericanEnglish, cases.NoLower).String(w)
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}
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// 6. Concatenate all words with spaces removed
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return strings.Join(words, "")
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}
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