<?php

/**

 * WordPress Translation API

 *

 * @package WordPress

 * @subpackage i18n

 */

/**

 * Gets 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

 * @uses apply_filters() Calls 'locale' hook on locale value.

 * @uses $locale Gets the locale stored in the global.

 *

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

 */

function get_locale() {

	global $locale;

	if ( isset( $locale ) )

		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';

	return apply_filters( 'locale', $locale );

}

/**

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

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

 *

 * @see __() Don't use translate() directly, use __()

 * @since 2.2.0

 * @uses apply_filters() Calls 'gettext' on domain translated text

 *		with the untranslated text as second parameter.

 *

 * @param string $text Text to translate.

 * @param string $domain Domain to retrieve the translated text.

 * @return string Translated text

 */

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

	$translations = get_translations_for_domain( $domain );

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

}

function before_last_bar( $string ) {

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

	if ( false == $last_bar )

		return $string;

	else

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

}

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

	$translations = get_translations_for_domain( $domain );

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

}

/**

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

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

 *

 * @see translate() An alias of translate()

 * @since 2.1.0

 *

 * @param string $text Text to translate

 * @param string $domain Optional. Domain to retrieve the translated text

 * @return string Translated text

 */

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

	return translate( $text, $domain );

}

/**

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

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

 *

 * @see translate() An alias of translate()

 * @see esc_attr()

 * @since 2.8.0

 *

 * @param string $text Text to translate

 * @param string $domain Optional. Domain to retrieve the translated text

 * @return string Translated text

 */

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

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

}

/**

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

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

 *

 * @see translate() An alias of translate()

 * @see esc_html()

 * @since 2.8.0

 *

 * @param string $text Text to translate

 * @param string $domain Optional. Domain to retrieve the translated text

 * @return string Translated text

 */

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

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

}

/**

 * Displays the returned translated text from translate().

 *

 * @see translate() Echoes returned translate() string

 * @since 1.2.0

 *

 * @param string $text Text to translate

 * @param string $domain Optional. Domain to retrieve the translated text

 */

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

	echo translate( $text, $domain );

}

/**

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

 *

 * @see translate() Echoes returned translate() string

 * @see esc_attr()

 * @since 2.8.0

 *

 * @param string $text Text to translate

 * @param string $domain Optional. Domain to retrieve the translated text

 */

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

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

}

/**

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

 *

 * @see translate() Echoes returned translate() string

 * @see esc_html()

 * @since 2.8.0

 *

 * @param string $text Text to translate

 * @param string $domain Optional. Domain to retrieve the translated text

 */

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. Domain to retrieve the translated text

 * @return string Translated context string without pipe

 */

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

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

}

/**

 * Displays translated string with gettext context

 *

 * @see _x

 * @since 3.0.0

 *

 * @param string $text Text to translate

 * @param string $context Context information for the translators

 * @param string $domain Optional. Domain to retrieve the translated text

 * @return string Translated context string without pipe

 */

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

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

}

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

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

}

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

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

}

/**

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

 *

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

 * and either $plural or $single parameters returned.

 *

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

 * will first be passed to the 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

 * @uses $l10n Gets list of domain translated string (gettext_reader) objects

 * @uses apply_filters() Calls 'ngettext' hook on domains text returned,

 *		along with $single, $plural, and $number parameters. Expected to return string.

 *

 * @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. The domain identifier the text should be retrieved in

 * @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 );

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

}

/**

 * A hybrid of _n() and _x(). It supports contexts and plurals.

 *

 * @see _n()

 * @see _x()

 *

 */

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

	$translations = get_translations_for_domain( $domain );

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

	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:

 *  $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 );

 *

 * @since 2.5

 * @param string $singular Single form to be i18ned

 * @param string $plural Plural form to be i18ned

 * @param string $domain Optional. The domain identifier the text will be retrieved in

 * @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.

 *

 * @see _n_noop()

 */

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

 * @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. The domain identifier the text should be retrieved in. If $nooped_plural contains

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

 */

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 );

}

/**

 * Loads a MO file into the domain $domain.

 *

 * If the 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

 * @uses $l10n Gets list of domain translated string objects

 *

 * @param string $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;

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

	if ( true == $plugin_override ) {

		return true;

	}

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

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

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

	$mo = new MO();

	if ( !$mo->import_from_file( $mofile ) ) return false;

	if ( isset( $l10n[$domain] ) )

		$mo->merge_with( $l10n[$domain] );

	$l10n[$domain] = &$mo;

	return true;

}

/**

 * Unloads translations for a domain

 *

 * @since 3.0.0

 * @param string $domain Textdomain to be unloaded

 * @return bool Whether textdomain was unloaded

 */

function unload_textdomain( $domain ) {

	global $l10n;

	$plugin_override = apply_filters( 'override_unload_textdomain', false, $domain );

	if ( $plugin_override )

		return true;

	do_action( 'unload_textdomain', $domain );

	if ( isset( $l10n[$domain] ) ) {

		unset( $l10n[$domain] );

		return true;

	}

	return false;

}

/**

 * Loads default translated strings based on locale.

 *

 * Loads the .mo file in WP_LANG_DIR constant path from WordPress root. The

 * translated (.mo) file is named based on the locale.

 *

 * @since 1.5.0

 */

function load_default_textdomain() {

	$locale = get_locale();

	load_textdomain( 'default', WP_LANG_DIR . "/$locale.mo" );

	if ( ( is_multisite() || ( defined( 'WP_INSTALLING_NETWORK' ) && WP_INSTALLING_NETWORK ) ) && ! file_exists(  WP_LANG_DIR . "/admin-$locale.mo" ) ) {

		load_textdomain( 'default', WP_LANG_DIR . "/ms-$locale.mo" );

		return;

	}

	if ( is_admin() || ( defined( 'WP_REPAIRING' ) && WP_REPAIRING ) )

		load_textdomain( 'default', WP_LANG_DIR . "/admin-$locale.mo" );

	if ( is_network_admin() || ( defined( 'WP_INSTALLING_NETWORK' ) && WP_INSTALLING_NETWORK ) )

		load_textdomain( 'default', WP_LANG_DIR . "/admin-network-$locale.mo" );

}

/**

 * Loads the plugin's translated strings.

 *

 * If the path is not given then it will be the root of the plugin directory.

 * The .mo file should be named based on the domain with a dash, and then the locale exactly.

 *

 * @since 1.5.0

 *

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

 * @param string $abs_rel_path Optional. Relative path to ABSPATH of a folder,

 * 	where the .mo file resides. Deprecated, but still functional until 2.7

 * @param string $plugin_rel_path Optional. Relative path to WP_PLUGIN_DIR. This is the preferred argument to use. It takes precedence over $abs_rel_path

 */

function load_plugin_textdomain( $domain, $abs_rel_path = false, $plugin_rel_path = false ) {

	$locale = apply_filters( 'plugin_locale', get_locale(), $domain );

	if ( false !== $plugin_rel_path	) {

		$path = WP_PLUGIN_DIR . '/' . trim( $plugin_rel_path, '/' );

	} else if ( false !== $abs_rel_path ) {

		_deprecated_argument( __FUNCTION__, '2.7' );

		$path = ABSPATH . trim( $abs_rel_path, '/' );

	} else {

		$path = WP_PLUGIN_DIR;

	}

	$mofile = $path . '/'. $domain . '-' . $locale . '.mo';

	return load_textdomain( $domain, $mofile );

}