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miniflux/locale/printer.go
2018-09-22 15:04:55 -07:00

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1.5 KiB
Go

// Copyright 2018 Frédéric Guillot. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package locale // import "miniflux.app/locale"
import "fmt"
// Printer converts translation keys to language-specific strings.
type Printer struct {
language string
}
// Printf is like fmt.Printf, but using language-specific formatting.
func (p *Printer) Printf(key string, args ...interface{}) string {
var translation string
str, found := defaultCatalog[p.language][key]
if !found {
translation = key
} else {
var valid bool
translation, valid = str.(string)
if !valid {
translation = key
}
}
return fmt.Sprintf(translation, args...)
}
// Plural returns the translation of the given key by using the language plural form.
func (p *Printer) Plural(key string, n int, args ...interface{}) string {
choices, found := defaultCatalog[p.language][key]
if found {
var plurals []string
switch v := choices.(type) {
case []interface{}:
for _, v := range v {
plurals = append(plurals, fmt.Sprint(v))
}
case []string:
plurals = v
default:
return key
}
pluralForm, found := pluralForms[p.language]
if !found {
pluralForm = pluralForms["default"]
}
index := pluralForm(n)
if len(plurals) > index {
return fmt.Sprintf(plurals[index], args...)
}
}
return key
}
// NewPrinter creates a new Printer.
func NewPrinter(language string) *Printer {
return &Printer{language}
}