1 files changed, 148 insertions, 0 deletions
diff --git a/includes/vendor/pomo/pomo/src/Translations/GettextTranslations.php b/includes/vendor/pomo/pomo/src/Translations/GettextTranslations.php
new file mode 100644
index 0000000..11b2a79
--- /dev/null
+++ b/includes/vendor/pomo/pomo/src/Translations/GettextTranslations.php
@@ -0,0 +1,148 @@
+<?php
+/**
+ * This file is part of the POMO package.
+ *
+ * @copyright 2014 POMO
+ * @license GPL
+ */
+
+namespace POMO\Translations;
+
+use POMO\Parser\PluralForms;
+
+/**
+ * Class for a set of entries for translation and their associated headers.
+ *
+ * @property mixed $_nplurals
+ * @property callable $_gettext_select_plural_form
+ */
+class GettextTranslations extends Translations implements TranslationsInterface
+{
+    /**
+     * The gettext implementation of select_plural_form.
+     *
+     * It lives in this class, because there are more than one descendand,
+     * which will use it and they can't share it effectively.
+     *
+     * @param int $count Items count
+     *
+     * @return mixed
+     */
+    public function gettext_select_plural_form($count)
+    {
+        if (!isset($this->_gettext_select_plural_form)
+            || is_null($this->_gettext_select_plural_form)) {
+            list($nplurals, $expression) = $this->nplurals_and_expression_from_header($this->get_header('Plural-Forms'));
+            $this->_nplurals = $nplurals;
+            $this->_gettext_select_plural_form = $this->make_plural_form_function($nplurals, $expression);
+        }
+
+        return call_user_func($this->_gettext_select_plural_form, $count);
+    }
+
+    /**
+     * @param $header
+     *
+     * @return array
+     */
+    public function nplurals_and_expression_from_header($header)
+    {
+        if (preg_match('/^\s*nplurals\s*=\s*(\d+)\s*;\s+plural\s*=\s*(.+)$/', $header, $matches)) {
+            $nplurals = (int) $matches[1];
+            $expression = trim($matches[2]);
+
+            return array($nplurals, $expression);
+        } else {
+            return array(2, 'n != 1');
+        }
+    }
+
+    /**
+     * Makes a function, which will return the right translation index,
+     * according to the plural forms header.
+     *
+     * @param int    $nplurals
+     * @param string $expression
+     *
+     * @return callable The right translation index
+     */
+    public function make_plural_form_function($nplurals, $expression)
+    {
+        try {
+            $handler = new PluralForms(rtrim($expression, ';'));
+
+            return array($handler, 'get');
+        } catch (\Exception $e) {
+            // Fall back to default plural-form function.
+            return $this->make_plural_form_function(2, 'n != 1');
+        }
+    }
+
+    /**
+     * Adds parentheses to the inner parts of ternary operators in
+     * plural expressions, because PHP evaluates ternary operators
+     * from left to right.
+     *
+     * @param string $expression the expression without parentheses
+     *
+     * @return string the expression with parentheses added
+     */
+    public function parenthesize_plural_exression($expression)
+    {
+        $expression .= ';';
+        $res = '';
+        $depth = 0;
+        for ($i = 0; $i < strlen($expression); ++$i) {
+            $char = $expression[$i];
+            switch ($char) {
+                case '?':
+                    $res .= ' ? (';
+                    $depth++;
+                    break;
+                case ':':
+                    $res .= ') : (';
+                    break;
+                case ';':
+                    $res .= str_repeat(')', $depth).';';
+                    $depth = 0;
+                    break;
+                default:
+                    $res .= $char;
+            }
+        }
+
+        return rtrim($res, ';');
+    }
+
+    /**
+     * @param string $translation
+     *
+     * @return array
+     */
+    public function make_headers($translation)
+    {
+        $headers = array();
+        // sometimes \ns are used instead of real new lines
+        $translation = str_replace('\n', "\n", $translation);
+        $lines = explode("\n", $translation);
+        foreach ($lines as $line) {
+            $parts = explode(':', $line, 2);
+            if (!isset($parts[1])) {
+                continue;
+            }
+            $headers[trim($parts[0])] = trim($parts[1]);
+        }
+
+        return $headers;
+    }
+
+    public function set_header($header, $value)
+    {
+        parent::set_header($header, $value);
+        if ('Plural-Forms' == $header) {
+            list($nplurals, $expression) = $this->nplurals_and_expression_from_header($this->get_header('Plural-Forms'));
+            $this->_nplurals = $nplurals;
+            $this->_gettext_select_plural_form = $this->make_plural_form_function($nplurals, $expression);
+        }
+    }
+}