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inflector.go
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/
inflector.go
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// Copyright (c) 2020 Mercari, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
package internal
import (
"github.com/jinzhu/inflection"
"go.mercari.io/yo/v2/config"
)
type Inflector interface {
Singularize(string) string
Pluralize(string) string
}
type inflector struct{}
func (i *inflector) Singularize(s string) string {
return inflection.Singular(s)
}
func (i *inflector) Pluralize(s string) string {
return inflection.Plural(s)
}
func NewInflector(rules []config.Inflection) (Inflector, error) {
if err := registerRule(rules); err != nil {
return nil, err
}
return &inflector{}, nil
}
func registerRule(rules []config.Inflection) error {
for _, rule := range rules {
inflection.AddIrregular(rule.Singular, rule.Plural)
}
for _, rule := range defaultSingularInflections {
inflection.AddSingular(rule.find, rule.replace)
}
for _, rule := range defaultPluralInflections {
inflection.AddPlural(rule.find, rule.replace)
}
for _, rule := range defaultIrregularRules {
inflection.AddIrregular(rule.singlar, rule.plural)
}
return nil
}