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/*
* Copyright (c) 2017-present Robert Jaros
*
* 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 pl.treksoft.kvision.i18n
private const val I18N_SINGLE_DELIMITER = "###KvI18nS###"
private const val I18N_PLURAL_DELIMITER = "###KvI18nP###"
interface I18nManager {
/**
* A static translation function for a singular form.
* @param key a translation key.
* @return translated text.
*/
fun gettext(key: String): String
/**
* A static translation function for a plural form.
* @param singularKey a translation key for a singular form.
* @param pluralKey a translation key for a plural form.
* @param value a count value.
* @return translated text.
*/
fun ngettext(singularKey: String, pluralKey: String, value: Int): String
/**
* A dynamic translation function for a singular form.
* @param key a translation key.
* @return text marked for a dynamic translation.
*/
fun tr(key: String): String {
return I18N_SINGLE_DELIMITER + key
}
/**
* A dynamic translation function for a plural form.
* @param singularKey a translation key for a singular form.
* @param pluralKey a translation key for a plural form.
* @param value a count value.
* @return text marked for a dynamic translation.
*/
fun ntr(singularKey: String, pluralKey: String, value: Int): String {
return I18N_PLURAL_DELIMITER + singularKey + I18N_PLURAL_DELIMITER + pluralKey + I18N_PLURAL_DELIMITER + value
}
/**
* A dynamic translation function.
* @param text text marked for a dynamic translation.
* @return translated text.
*/
fun trans(text: String): String {
return if (text.startsWith(I18N_SINGLE_DELIMITER)) {
gettext(text.substring(I18N_SINGLE_DELIMITER.length))
} else if (text.startsWith(I18N_PLURAL_DELIMITER)) {
val tab = text.substring(I18N_PLURAL_DELIMITER.length).split(I18N_PLURAL_DELIMITER)
@Suppress("MagicNumber")
if (tab.size == 3) {
ngettext(tab[0], tab[1], tab[2].toIntOrNull() ?: 1)
} else {
text
}
} else {
text
}
}
/**
* A dynamic translation function.
* @param text text marked for a dynamic translation.
* @return translated text.
*/
fun trans(text: String?): String? {
return text?.let {
trans(it)
}
}
}
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