<?php

/**

 * WordPress Translation API

 *

 * @package WordPress

 * @subpackage i18n

 */

/**

 * Get the current locale.

 *

 * If the locale is set, then it will filter the locale in the 'locale' filter

 * hook and return the value.

 *

 * If the locale is not set already, then the WPLANG constant is used if it is

 * defined. Then it is filtered through the 'locale' filter hook and the value

 * for the locale global set and the locale is returned.

 *

 * The process to get the locale should only be done once, but the locale will

 * always be filtered using the 'locale' hook.

 *

 * @since 1.5.0

 *

 * @return string The locale of the blog or from the 'locale' hook.

 */

function get_locale() {

	global $locale;

	if ( isset( $locale ) )

		/**

		 * Filter WordPress install's locale ID.

		 *

		 * @since 1.5.2

		 *

		 * @param string $locale The locale ID.

		 */

		return apply_filters( 'locale', $locale );

	// WPLANG is defined in wp-config.

	if ( defined( 'WPLANG' ) )

		$locale = WPLANG;

	// If multisite, check options.

	if ( is_multisite() ) {

		// Don't check blog option when installing.

		if ( defined( 'WP_INSTALLING' ) || ( false === $ms_locale = get_option( 'WPLANG' ) ) )

			$ms_locale = get_site_option('WPLANG');

		if ( $ms_locale !== false )

			$locale = $ms_locale;

	}

	if ( empty( $locale ) )

		$locale = 'en_US';

	// duplicate_hook

	return apply_filters( 'locale', $locale );

}

/**

 * Retrieve the translation of $text.

 *

 * If there is no translation, or the text domain isn't loaded, the original text is returned.

 *

 * <strong>Note:</strong> Don't use translate() directly, use __() or related functions.

 *

 * @since 2.2.0

 *

 * @param string $text   Text to translate.

 * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings.

 * @return string Translated text

 */

function translate( $text, $domain = 'default' ) {

	$translations = get_translations_for_domain( $domain );

	$translations = $translations->translate( $text );

	/**

	 * Filter text with its translation.

	 *

	 * @since 2.0.11

	 *

	 * @param string $translations Translated text.

	 * @param string $text         Text to translate.

	 * @param string $domain       Text domain. Unique identifier for retrieving translated strings.

	 */

	return apply_filters( 'gettext', $translations, $text, $domain );

}

/**

 * Remove last item on a pipe-delimited string.

 *

 * Meant for removing the last item in a string, such as 'Role name|User role'. The original

 * string will be returned if no pipe '|' characters are found in the string.

 *

 * @since 2.8.0

 *

 * @param string $string A pipe-delimited string.

 * @return string Either $string or everything before the last pipe.

 */

function before_last_bar( $string ) {

	$last_bar = strrpos( $string, '|' );

	if ( false == $last_bar )

		return $string;

	else

		return substr( $string, 0, $last_bar );

}

/**

 * Retrieve the translation of $text in the context defined in $context.

 *

 * If there is no translation, or the text domain isn't loaded the original

 * text is returned.

 *

 * @since 2.8.0

 *

 * @param string $text    Text to translate.

 * @param string $context Context information for the translators.

 * @param string $domain  Optional. Text domain. Unique identifier for retrieving translated strings.

 * @return string Translated text on success, original text on failure.

 */

function translate_with_gettext_context( $text, $context, $domain = 'default' ) {

	$translations = get_translations_for_domain( $domain );

	$translations = $translations->translate( $text, $context );

	/**

	 * Filter text with its translation based on context information.

	 *

	 * @since 2.8.0

	 *

	 * @param string $translations Translated text.

	 * @param string $text         Text to translate.

	 * @param string $context      Context information for the translators.

	 * @param string $domain       Text domain. Unique identifier for retrieving translated strings.

	 */

	return apply_filters( 'gettext_with_context', $translations, $text, $context, $domain );

}

/**

 * Retrieve the translation of $text. If there is no translation,

 * or the text domain isn't loaded, the original text is returned.

 *

 * @since 2.1.0

 *

 * @param string $text   Text to translate.

 * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings.

 * @return string Translated text.

 */

function __( $text, $domain = 'default' ) {

	return translate( $text, $domain );

}

/**

 * Retrieve the translation of $text and escapes it for safe use in an attribute.

 *

 * If there is no translation, or the text domain isn't loaded, the original text is returned.

 *

 * @since 2.8.0

 *

 * @param string $text   Text to translate.

 * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings.

 * @return string Translated text on success, original text on failure.

 */

function esc_attr__( $text, $domain = 'default' ) {

	return esc_attr( translate( $text, $domain ) );

}

/**

 * Retrieve the translation of $text and escapes it for safe use in HTML output.

 *

 * If there is no translation, or the text domain isn't loaded, the original text is returned.

 *

 * @since 2.8.0

 *

 * @param string $text   Text to translate.

 * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings.

 * @return string Translated text

 */

function esc_html__( $text, $domain = 'default' ) {

	return esc_html( translate( $text, $domain ) );

}

/**

 * Display translated text.

 *

 * @since 1.2.0

 *

 * @param string $text   Text to translate.

 * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings.

 */

function _e( $text, $domain = 'default' ) {

	echo translate( $text, $domain );

}

/**

 * Display translated text that has been escaped for safe use in an attribute.

 *

 * @since 2.8.0

 *

 * @param string $text   Text to translate.

 * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings.

 */

function esc_attr_e( $text, $domain = 'default' ) {

	echo esc_attr( translate( $text, $domain ) );

}

/**

 * Display translated text that has been escaped for safe use in HTML output.

 *

 * @since 2.8.0

 *

 * @param string $text   Text to translate.

 * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings.

 */

function esc_html_e( $text, $domain = 'default' ) {

	echo esc_html( translate( $text, $domain ) );

}

/**

 * Retrieve translated string with gettext context.

 *

 * Quite a few times, there will be collisions with similar translatable text

 * found in more than two places, but with different translated context.

 *

 * By including the context in the pot file, translators can translate the two

 * strings differently.

 *

 * @since 2.8.0

 *

 * @param string $text    Text to translate.

 * @param string $context Context information for the translators.

 * @param string $domain  Optional. Text domain. Unique identifier for retrieving translated strings.

 * @return string Translated context string without pipe.

 */

function _x( $text, $context, $domain = 'default' ) {

	return translate_with_gettext_context( $text, $context, $domain );

}

/**

 * Display translated string with gettext context.

 *

 * @since 3.0.0

 *

 * @param string $text    Text to translate.

 * @param string $context Context information for the translators.

 * @param string $domain  Optional. Text domain. Unique identifier for retrieving translated strings.

 * @return string Translated context string without pipe.

 */

function _ex( $text, $context, $domain = 'default' ) {

	echo _x( $text, $context, $domain );

}

/**

 * Translate string with gettext context, and escapes it for safe use in an attribute.

 *

 * @since 2.8.0

 *

 * @param string $text    Text to translate.

 * @param string $context Context information for the translators.

 * @param string $domain  Optional. Text domain. Unique identifier for retrieving translated strings.

 * @return string Translated text

 */

function esc_attr_x( $text, $context, $domain = 'default' ) {

	return esc_attr( translate_with_gettext_context( $text, $context, $domain ) );

}

/**

 * Translate string with gettext context, and escapes it for safe use in HTML output.

 *

 * @since 2.9.0

 *

 * @param string $text    Text to translate.

 * @param string $context Context information for the translators.

 * @param string $domain  Optional. Text domain. Unique identifier for retrieving translated strings.

 * @return string Translated text.

 */

function esc_html_x( $text, $context, $domain = 'default' ) {

	return esc_html( translate_with_gettext_context( $text, $context, $domain ) );

}

/**

 * Retrieve the plural or single form based on the supplied amount.

 *

 * If the text domain is not set in the $l10n list, then a comparison will be made

 * and either $plural or $single parameters returned.

 *

 * If the text domain does exist, then the parameters $single, $plural, and $number

 * will first be passed to the text domain's ngettext method. Then it will be passed

 * to the 'ngettext' filter hook along with the same parameters. The expected

 * type will be a string.

 *

 * @since 2.8.0

 *

 * @param string $single The text that will be used if $number is 1.

 * @param string $plural The text that will be used if $number is not 1.

 * @param int    $number The number to compare against to use either $single or $plural.

 * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings.

 * @return string Either $single or $plural translated text.

 */

function _n( $single, $plural, $number, $domain = 'default' ) {

	$translations = get_translations_for_domain( $domain );

	$translation = $translations->translate_plural( $single, $plural, $number );

	/**

	 * Filter text with its translation when plural option is available.

	 *

	 * @since 2.2.0

	 *

	 * @param string $translation Translated text.

	 * @param string $single      The text that will be used if $number is 1.

	 * @param string $plural      The text that will be used if $number is not 1.

	 * @param string $number      The number to compare against to use either $single or $plural.

	 * @param string $domain      Text domain. Unique identifier for retrieving translated strings.

	 */

	return apply_filters( 'ngettext', $translation, $single, $plural, $number, $domain );

}

/**

 * Retrieve the plural or single form based on the supplied amount with gettext context.

 *

 * This is a hybrid of _n() and _x(). It supports contexts and plurals.

 *

 * @since 2.8.0

 *

 * @param string $single  The text that will be used if $number is 1.

 * @param string $plural  The text that will be used if $number is not 1.

 * @param int    $number  The number to compare against to use either $single or $plural.

 * @param string $context Context information for the translators.

 * @param string $domain  Optional. Text domain. Unique identifier for retrieving translated strings.

 * @return string Either $single or $plural translated text with context.

 */

function _nx($single, $plural, $number, $context, $domain = 'default') {

	$translations = get_translations_for_domain( $domain );

	$translation = $translations->translate_plural( $single, $plural, $number, $context );

	/**

	 * Filter text with its translation while plural option and context are available.

	 *

	 * @since 2.8.0

	 *

	 * @param string $translation Translated text.

	 * @param string $single      The text that will be used if $number is 1.

	 * @param string $plural      The text that will be used if $number is not 1.

	 * @param string $number      The number to compare against to use either $single or $plural.

	 * @param string $context     Context information for the translators.

	 * @param string $domain      Text domain. Unique identifier for retrieving translated strings.

	 */

	return apply_filters( 'ngettext_with_context', $translation, $single, $plural, $number, $context, $domain );

}

/**

 * Register plural strings in POT file, but don't translate them.

 *

 * Used when you want to keep structures with translatable plural

 * strings and use them later.

 *

 * Example:

 * <code>

 * $messages = array(

 *  	'post' => _n_noop('%s post', '%s posts'),

 *  	'page' => _n_noop('%s pages', '%s pages')

 * );

 * ...

 * $message = $messages[$type];

 * $usable_text = sprintf( translate_nooped_plural( $message, $count ), $count );

 * </code>

 *

 * @since 2.5.0

 *

 * @param string $singular Single form to be i18ned.

 * @param string $plural   Plural form to be i18ned.

 * @param string $domain   Optional. Text domain. Unique identifier for retrieving translated strings.

 * @return array array($singular, $plural)

 */

function _n_noop( $singular, $plural, $domain = null ) {

	return array( 0 => $singular, 1 => $plural, 'singular' => $singular, 'plural' => $plural, 'context' => null, 'domain' => $domain );

}

/**

 * Register plural strings with context in POT file, but don't translate them.

 *

 * @since 2.8.0

 */

function _nx_noop( $singular, $plural, $context, $domain = null ) {

	return array( 0 => $singular, 1 => $plural, 2 => $context, 'singular' => $singular, 'plural' => $plural, 'context' => $context, 'domain' => $domain );

}

/**

 * Translate the result of _n_noop() or _nx_noop().

 *

 * @since 3.1.0

 *

 * @param array  $nooped_plural Array with singular, plural and context keys, usually the result of _n_noop() or _nx_noop()

 * @param int    $count         Number of objects

 * @param string $domain        Optional. Text domain. Unique identifier for retrieving translated strings. If $nooped_plural contains

 *                              a text domain passed to _n_noop() or _nx_noop(), it will override this value.

 * @return string Either $single or $plural translated text.

 */

function translate_nooped_plural( $nooped_plural, $count, $domain = 'default' ) {

	if ( $nooped_plural['domain'] )

		$domain = $nooped_plural['domain'];

	if ( $nooped_plural['context'] )

		return _nx( $nooped_plural['singular'], $nooped_plural['plural'], $count, $nooped_plural['context'], $domain );

	else

		return _n( $nooped_plural['singular'], $nooped_plural['plural'], $count, $domain );

}

/**

 * Load a .mo file into the text domain $domain.

 *

 * If the text domain already exists, the translations will be merged. If both

 * sets have the same string, the translation from the original value will be taken.

 *

 * On success, the .mo file will be placed in the $l10n global by $domain

 * and will be a MO object.

 *

 * @since 1.5.0

 *

 * @param string $domain Text domain. Unique identifier for retrieving translated strings.

 * @param string $mofile Path to the .mo file.

 * @return bool True on success, false on failure.

 */

function load_textdomain( $domain, $mofile ) {

	global $l10n;

	/**

	 * Filter text domain and/or MO file path for loading translations.

	 *

	 * @since 2.9.0

	 *

	 * @param boolean        Whether to override the text domain. Default false.

	 * @param string $domain Text domain. Unique identifier for retrieving translated strings.

	 * @param string $mofile Path to the MO file.

	 */

	$plugin_override = apply_filters( 'override_load_textdomain', false, $domain, $mofile );

	if ( true == $plugin_override ) {

		return true;

	}

	/**

	 * Fires before the MO translation file is loaded.

	 *

	 * @since 2.9.0

	 *

	 * @param string $domain Text domain. Unique identifier for retrieving translated strings.

	 * @param string $mofile Path to the .mo file.

	 */

	do_action( 'load_textdomain', $domain, $mofile );

	/**

	 * Filter MO file path for loading translations for a specific text domain.

	 *

	 * @since 2.9.0

	 *

	 * @param string $mofile Path to the MO file.

	 * @param string $domain Text domain. Unique identifier for retrieving translated strings.

	 */

	$mofile = apply_filters( 'load_textdomain_mofile', $mofile, $domain );

	if ( !is_readable( $mofile ) ) return false;