Initial commit

functions/kirki/core/class-kirki-l10n.php

@@ -0,0 +1,144 @@
+<?php
+/**
+ * Internationalization helper.
+ *
+ * @package     Kirki
+ * @category    Core
+ * @author      Aristeides Stathopoulos
+ * @copyright   Copyright (c) 2017, Aristeides Stathopoulos
+ * @license    https://opensource.org/licenses/MIT
+ * @since       1.0
+ */
+
+/**
+ * Handles translations
+ */
+class Kirki_L10n {
+
+	/**
+	 * The plugin textdomain
+	 *
+	 * @access private
+	 * @var string
+	 */
+	private $textdomain = 'kirki';
+
+	/**
+	 * The theme textdomain
+	 *
+	 * @access private
+	 * @var string
+	 */
+	private $theme_textdomain = '';
+
+	/**
+	 * The class constructor.
+	 * Adds actions & filters to handle the rest of the methods.
+	 *
+	 * @access public
+	 */
+	public function __construct() {
+
+		// If Kirki is installed as a plugin, load the texdomain.
+		if ( Kirki_Util::is_plugin() ) {
+			add_action( 'plugins_loaded', array( $this, 'load_textdomain' ) );
+			return;
+		}
+
+		// If we got this far, then Kirki is embedded in a plugin.
+		// We want the theme's textdomain to handle translations.
+		add_filter( 'override_load_textdomain', array( $this, 'override_load_textdomain' ), 5, 3 );
+	}
+
+	/**
+	 * Load the plugin textdomain
+	 *
+	 * @access public
+	 */
+	public function load_textdomain() {
+		if ( null !== $this->get_path() ) {
+			load_textdomain( $this->textdomain, $this->get_path() );
+		}
+		load_plugin_textdomain( $this->textdomain, false, Kirki::$path . '/languages' );
+	}
+
+	/**
+	 * Gets the path to a translation file.
+	 *
+	 * @access protected
+	 * @return string Absolute path to the translation file.
+	 */
+	protected function get_path() {
+		$path_found = false;
+		$found_path = null;
+		foreach ( $this->get_paths() as $path ) {
+			if ( $path_found ) {
+				continue;
+			}
+			$path = wp_normalize_path( $path );
+			if ( file_exists( $path ) ) {
+				$path_found = true;
+				$found_path = $path;
+			}
+		}
+		return $found_path;
+	}
+
+	/**
+	 * Returns an array of paths where translation files may be located.
+	 *
+	 * @access protected
+	 * @return array
+	 */
+	protected function get_paths() {
+		return array(
+			WP_LANG_DIR . '/' . $this->textdomain . '-' . get_locale() . '.mo',
+			Kirki::$path . '/languages/' . $this->textdomain . '-' . get_locale() . '.mo',
+		);
+	}
+
+	/**
+	 * Allows overriding the "kirki" textdomain from a theme.
+	 *
+	 * @since 3.0.12
+	 * @access public
+	 * @param bool   $override Whether to override the .mo file loading. Default false.
+	 * @param string $domain   Text domain. Unique identifier for retrieving translated strings.
+	 * @param string $mofile   Path to the MO file.
+	 * @return bool
+	 */
+	public function override_load_textdomain( $override, $domain, $mofile ) {
+		global $l10n;
+		if ( isset( $l10n[ $this->get_theme_textdomain() ] ) ) {
+			$l10n['kirki'] = $l10n[ $this->get_theme_textdomain() ]; // phpcs:ignore WordPress.WP.GlobalVariablesOverride.OverrideProhibited
+		}
+
+		// Check if the domain is "kirki".
+		if ( 'kirki' === $domain ) {
+			return true;
+		}
+		return $override;
+	}
+
+	/**
+	 * Get the theme's textdomain.
+	 *
+	 * @since 3.0.12
+	 * @access private
+	 * @return string
+	 */
+	private function get_theme_textdomain() {
+		if ( '' === $this->theme_textdomain ) {
+
+			// Get the textdomain.
+			$theme                  = wp_get_theme();
+			$this->theme_textdomain = $theme->get( 'TextDomain' );
+
+			// If no texdomain was found, use the template folder name.
+			if ( ! $this->theme_textdomain ) {
+				$this->theme_textdomain = get_template();
+			}
+		}
+		return $this->theme_textdomain;
+	}
+}