/
nameNormalizer.go
134 lines (124 loc) · 3.19 KB
/
nameNormalizer.go
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package utils
import (
"fmt"
"golang.org/x/text/runes"
"golang.org/x/text/transform"
"golang.org/x/text/unicode/norm"
"strconv"
"strings"
"unicode"
)
type NameNormalizer struct {
Value string
}
func NormalizeName(value string) string {
normalizer := NameNormalizer{Value: value}
return normalizer.Normalize()
}
// Normalize TODO: implement a more generic normalizer to be able to cover ALL cases.
// TODO: implement shorter naming for long variable names.
func (normalizer *NameNormalizer) Normalize() string {
return normalizer.toLowercase().
cleanAccents().
replace("\t", "").
replace("=", "").
replace("(", "").
replace(")", "").
replace("[", "").
replace("]", "").
replace("\"", "").
replace("$", "money").
replace(" - ", "_").
replace(" -", "_").
replace("- ", "_").
replace("-", "_").
replace(`-`, "_").
replace(`—`, "_").
replace(`–`, "_").
replace(",", "_").
replace("&", "and").
replace("%", "perc").
replace(".", "").
replace(";", "").
replace(",", "").
replace("+", "").
replace("!", "").
replace(":", "").
replace("/", "").
replace("?", "").
replace("--", "").
replace("'s", "s").
replace("’s", "s").
replace("'", "").
replace("[", "_").
replace("]", "_").
replace(" ", "_").
replace(" ", "_").
replace(" ", "_").
replace(" ", "_").
replace("__", "_").
replace("___", "_").
replace("_–_", "_").
replace("_—_", "_").
replace("__", "_").
replace("___", "_").
replace("<", "less").
replace(">", "greater").
replace("≥", "greater_or_equal").
replace("≥", "greater_or_equal").
replace("₀", "0").
replace("₁", "1").
replace("₂", "2").
replace("₃", "3").
replace("₄", "4").
replace("₅", "5").
replace("₆", "6").
replace("₇", "7").
replace("₈", "8").
replace("₉", "9").
replace("ö", "o").
replace("ü", "u").
replace("è̀", "e").
replace("̀\t̀", "").
sanitizeHead().
sanitizeTail().
Value
}
func (normalizer *NameNormalizer) cleanAccents() *NameNormalizer {
t := transform.Chain(norm.NFD, runes.Remove(runes.In(unicode.Mn)), norm.NFC)
output, _, e := transform.String(t, normalizer.Value)
if e != nil {
panic(e)
}
normalizer.Value = output
return normalizer
}
func (normalizer *NameNormalizer) extractUntilStop(stopFlag string) *NameNormalizer {
parts := strings.SplitN(normalizer.Value, stopFlag, -1)
if len(parts) > 0 {
normalizer.Value = parts[0]
}
return normalizer
}
func (normalizer *NameNormalizer) toLowercase() *NameNormalizer {
normalizer.Value = strings.ToLower(normalizer.Value)
return normalizer
}
func (normalizer *NameNormalizer) sanitizeHead() *NameNormalizer {
if len(normalizer.Value) > 0 {
if _, err := strconv.Atoi(normalizer.Value[0:1]); err == nil {
normalizer.Value = fmt.Sprintf("o%s", normalizer.Value)
}
}
return normalizer
}
func (normalizer *NameNormalizer) sanitizeTail() *NameNormalizer {
if strings.HasSuffix(normalizer.Value, "_") {
normalizer.Value = normalizer.Value[:len(normalizer.Value)-len("_")]
}
return normalizer
}
func (normalizer *NameNormalizer) replace(old string, character string) *NameNormalizer {
normalizer.Value = strings.ReplaceAll(normalizer.Value, old, character)
return normalizer
}