Actualización

vendor/sonata-project/core-bundle/Date/MomentFormatConverter.php

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+<?php
+
+/*
+ * This file is part of the Sonata Project package.
+ *
+ * (c) Thomas Rabaix <thomas.rabaix@sonata-project.org>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Sonata\CoreBundle\Date;
+
+/**
+ * Handles Moment.js <-> PHP date format conversion.
+ *
+ * Inspired by https://github.com/fightbulc/moment.php/blob/master/src/Moment/CustomFormats/MomentJs.php
+ *
+ *
+ * @author Hugo Briand <briand@ekino.com>
+ * @author Andrej Hudec <pulzarraider@gmail.com>
+ */
+class MomentFormatConverter
+{
+    /**
+     * @var array This defines the mapping between PHP ICU date format (key) and moment.js date format (value)
+     *            For ICU formats see http://userguide.icu-project.org/formatparse/datetime#TOC-Date-Time-Format-Syntax
+     *            For Moment formats see http://momentjs.com/docs/#/displaying/format/
+     */
+    private static $formatConvertRules = array(
+        // year
+        'yyyy' => 'YYYY', 'yy' => 'YY', 'y' => 'YYYY',
+        // month
+        // 'MMMM'=>'MMMM', 'MMM'=>'MMM', 'MM'=>'MM',
+        // day
+        'dd' => 'DD', 'd' => 'D',
+        // hour
+        // 'HH'=>'HH', 'H'=>'H', 'h'=>'h', 'hh'=>'hh',
+        // am/pm
+        // 'a' => 'a',
+        // minute
+        // 'mm'=>'mm', 'm'=>'m',
+        // second
+        // 'ss'=>'ss', 's'=>'s',
+        // day of week
+        'EEEEEE' => 'dd', 'EEEE' => 'dddd', 'EE' => 'ddd',
+        // timezone
+        'ZZZZZ' => 'Z', 'ZZZ' => 'ZZ',
+    );
+
+    /**
+     * Returns associated moment.js format.
+     *
+     * @param $format PHP Date format
+     *
+     * @return string Moment.js date format
+     */
+    public function convert($format)
+    {
+        $size = strlen($format);
+        $foundOne = false;
+        $output = '';
+        //process the format string letter by letter
+        for ($i = 0; $i < $size; ++$i) {
+            //if finds a '
+            if ($format[$i] === "'") {
+                //if the next character are T' forming 'T', send a T to the
+                //output
+                if ($format[$i + 1] === 'T' && $format[$i + 2] === '\'') {
+                    $output .= 'T';
+                    $i += 2;
+                } else {
+                    //if it's no a 'T' then send whatever is inside the '' to
+                    //the output, but send it inside [] (useful for cases like
+                    //the brazilian translation that uses a 'de' in the date)
+                    $output .= '[';
+                    $temp = current(explode("'", substr($format, $i + 1)));
+                    $output .= $temp;
+                    $output .= ']';
+                    $i += strlen($temp) + 1;
+                }
+            } else {
+                //if no ' is found, then search all the rules, see if any of
+                //them matchs
+                $foundOne = false;
+                foreach (self::$formatConvertRules as $key => $value) {
+                    if (substr($format, $i, strlen($key)) === $key) {
+                        $output .= $value;
+                        $foundOne = true;
+                        $i += strlen($key) - 1;
+
+                        break;
+                    }
+                }
+                //if no rule is matched, then just add the character to the
+                //output
+                if (!$foundOne) {
+                    $output .= $format[$i];
+                }
+            }
+        }
+
+        return $output;
+    }
+}