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uberswe
2021-12-12 14:56:13 +01:00
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vendor/github.com/jinzhu/inflection/inflections.go generated vendored Normal file
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/*
Package inflection pluralizes and singularizes English nouns.
inflection.Plural("person") => "people"
inflection.Plural("Person") => "People"
inflection.Plural("PERSON") => "PEOPLE"
inflection.Singular("people") => "person"
inflection.Singular("People") => "Person"
inflection.Singular("PEOPLE") => "PERSON"
inflection.Plural("FancyPerson") => "FancydPeople"
inflection.Singular("FancyPeople") => "FancydPerson"
Standard rules are from Rails's ActiveSupport (https://github.com/rails/rails/blob/master/activesupport/lib/active_support/inflections.rb)
If you want to register more rules, follow:
inflection.AddUncountable("fish")
inflection.AddIrregular("person", "people")
inflection.AddPlural("(bu)s$", "${1}ses") # "bus" => "buses" / "BUS" => "BUSES" / "Bus" => "Buses"
inflection.AddSingular("(bus)(es)?$", "${1}") # "buses" => "bus" / "Buses" => "Bus" / "BUSES" => "BUS"
*/
package inflection
import (
"regexp"
"strings"
)
type inflection struct {
regexp *regexp.Regexp
replace string
}
// Regular is a regexp find replace inflection
type Regular struct {
find string
replace string
}
// Irregular is a hard replace inflection,
// containing both singular and plural forms
type Irregular struct {
singular string
plural string
}
// RegularSlice is a slice of Regular inflections
type RegularSlice []Regular
// IrregularSlice is a slice of Irregular inflections
type IrregularSlice []Irregular
var pluralInflections = RegularSlice{
{"([a-z])$", "${1}s"},
{"s$", "s"},
{"^(ax|test)is$", "${1}es"},
{"(octop|vir)us$", "${1}i"},
{"(octop|vir)i$", "${1}i"},
{"(alias|status)$", "${1}es"},
{"(bu)s$", "${1}ses"},
{"(buffal|tomat)o$", "${1}oes"},
{"([ti])um$", "${1}a"},
{"([ti])a$", "${1}a"},
{"sis$", "ses"},
{"(?:([^f])fe|([lr])f)$", "${1}${2}ves"},
{"(hive)$", "${1}s"},
{"([^aeiouy]|qu)y$", "${1}ies"},
{"(x|ch|ss|sh)$", "${1}es"},
{"(matr|vert|ind)(?:ix|ex)$", "${1}ices"},
{"^(m|l)ouse$", "${1}ice"},
{"^(m|l)ice$", "${1}ice"},
{"^(ox)$", "${1}en"},
{"^(oxen)$", "${1}"},
{"(quiz)$", "${1}zes"},
}
var singularInflections = RegularSlice{
{"s$", ""},
{"(ss)$", "${1}"},
{"(n)ews$", "${1}ews"},
{"([ti])a$", "${1}um"},
{"((a)naly|(b)a|(d)iagno|(p)arenthe|(p)rogno|(s)ynop|(t)he)(sis|ses)$", "${1}sis"},
{"(^analy)(sis|ses)$", "${1}sis"},
{"([^f])ves$", "${1}fe"},
{"(hive)s$", "${1}"},
{"(tive)s$", "${1}"},
{"([lr])ves$", "${1}f"},
{"([^aeiouy]|qu)ies$", "${1}y"},
{"(s)eries$", "${1}eries"},
{"(m)ovies$", "${1}ovie"},
{"(c)ookies$", "${1}ookie"},
{"(x|ch|ss|sh)es$", "${1}"},
{"^(m|l)ice$", "${1}ouse"},
{"(bus)(es)?$", "${1}"},
{"(o)es$", "${1}"},
{"(shoe)s$", "${1}"},
{"(cris|test)(is|es)$", "${1}is"},
{"^(a)x[ie]s$", "${1}xis"},
{"(octop|vir)(us|i)$", "${1}us"},
{"(alias|status)(es)?$", "${1}"},
{"^(ox)en", "${1}"},
{"(vert|ind)ices$", "${1}ex"},
{"(matr)ices$", "${1}ix"},
{"(quiz)zes$", "${1}"},
{"(database)s$", "${1}"},
}
var irregularInflections = IrregularSlice{
{"person", "people"},
{"man", "men"},
{"child", "children"},
{"sex", "sexes"},
{"move", "moves"},
{"mombie", "mombies"},
}
var uncountableInflections = []string{"equipment", "information", "rice", "money", "species", "series", "fish", "sheep", "jeans", "police"}
var compiledPluralMaps []inflection
var compiledSingularMaps []inflection
func compile() {
compiledPluralMaps = []inflection{}
compiledSingularMaps = []inflection{}
for _, uncountable := range uncountableInflections {
inf := inflection{
regexp: regexp.MustCompile("^(?i)(" + uncountable + ")$"),
replace: "${1}",
}
compiledPluralMaps = append(compiledPluralMaps, inf)
compiledSingularMaps = append(compiledSingularMaps, inf)
}
for _, value := range irregularInflections {
infs := []inflection{
inflection{regexp: regexp.MustCompile(strings.ToUpper(value.singular) + "$"), replace: strings.ToUpper(value.plural)},
inflection{regexp: regexp.MustCompile(strings.Title(value.singular) + "$"), replace: strings.Title(value.plural)},
inflection{regexp: regexp.MustCompile(value.singular + "$"), replace: value.plural},
}
compiledPluralMaps = append(compiledPluralMaps, infs...)
}
for _, value := range irregularInflections {
infs := []inflection{
inflection{regexp: regexp.MustCompile(strings.ToUpper(value.plural) + "$"), replace: strings.ToUpper(value.singular)},
inflection{regexp: regexp.MustCompile(strings.Title(value.plural) + "$"), replace: strings.Title(value.singular)},
inflection{regexp: regexp.MustCompile(value.plural + "$"), replace: value.singular},
}
compiledSingularMaps = append(compiledSingularMaps, infs...)
}
for i := len(pluralInflections) - 1; i >= 0; i-- {
value := pluralInflections[i]
infs := []inflection{
inflection{regexp: regexp.MustCompile(strings.ToUpper(value.find)), replace: strings.ToUpper(value.replace)},
inflection{regexp: regexp.MustCompile(value.find), replace: value.replace},
inflection{regexp: regexp.MustCompile("(?i)" + value.find), replace: value.replace},
}
compiledPluralMaps = append(compiledPluralMaps, infs...)
}
for i := len(singularInflections) - 1; i >= 0; i-- {
value := singularInflections[i]
infs := []inflection{
inflection{regexp: regexp.MustCompile(strings.ToUpper(value.find)), replace: strings.ToUpper(value.replace)},
inflection{regexp: regexp.MustCompile(value.find), replace: value.replace},
inflection{regexp: regexp.MustCompile("(?i)" + value.find), replace: value.replace},
}
compiledSingularMaps = append(compiledSingularMaps, infs...)
}
}
func init() {
compile()
}
// AddPlural adds a plural inflection
func AddPlural(find, replace string) {
pluralInflections = append(pluralInflections, Regular{find, replace})
compile()
}
// AddSingular adds a singular inflection
func AddSingular(find, replace string) {
singularInflections = append(singularInflections, Regular{find, replace})
compile()
}
// AddIrregular adds an irregular inflection
func AddIrregular(singular, plural string) {
irregularInflections = append(irregularInflections, Irregular{singular, plural})
compile()
}
// AddUncountable adds an uncountable inflection
func AddUncountable(values ...string) {
uncountableInflections = append(uncountableInflections, values...)
compile()
}
// GetPlural retrieves the plural inflection values
func GetPlural() RegularSlice {
plurals := make(RegularSlice, len(pluralInflections))
copy(plurals, pluralInflections)
return plurals
}
// GetSingular retrieves the singular inflection values
func GetSingular() RegularSlice {
singulars := make(RegularSlice, len(singularInflections))
copy(singulars, singularInflections)
return singulars
}
// GetIrregular retrieves the irregular inflection values
func GetIrregular() IrregularSlice {
irregular := make(IrregularSlice, len(irregularInflections))
copy(irregular, irregularInflections)
return irregular
}
// GetUncountable retrieves the uncountable inflection values
func GetUncountable() []string {
uncountables := make([]string, len(uncountableInflections))
copy(uncountables, uncountableInflections)
return uncountables
}
// SetPlural sets the plural inflections slice
func SetPlural(inflections RegularSlice) {
pluralInflections = inflections
compile()
}
// SetSingular sets the singular inflections slice
func SetSingular(inflections RegularSlice) {
singularInflections = inflections
compile()
}
// SetIrregular sets the irregular inflections slice
func SetIrregular(inflections IrregularSlice) {
irregularInflections = inflections
compile()
}
// SetUncountable sets the uncountable inflections slice
func SetUncountable(inflections []string) {
uncountableInflections = inflections
compile()
}
// Plural converts a word to its plural form
func Plural(str string) string {
for _, inflection := range compiledPluralMaps {
if inflection.regexp.MatchString(str) {
return inflection.regexp.ReplaceAllString(str, inflection.replace)
}
}
return str
}
// Singular converts a word to its singular form
func Singular(str string) string {
for _, inflection := range compiledSingularMaps {
if inflection.regexp.MatchString(str) {
return inflection.regexp.ReplaceAllString(str, inflection.replace)
}
}
return str
}