From ecf1059dbded1adb8525debbf47c13daeda81f24 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fran=C3=A7ois=20Poirotte?= <clicky@erebot.net>
Date: Thu, 2 Oct 2014 00:07:57 +0200
Subject: [PATCH] Use a closure instead of static methods.

---
 src/Interpolator/Percent.php            | 37 ++-----------------------
 tests/unit/Interpolator/PercentTest.php |  2 --
 2 files changed, 2 insertions(+), 37 deletions(-)

diff --git a/src/Interpolator/Percent.php b/src/Interpolator/Percent.php
index 286b151..476956f 100644
--- a/src/Interpolator/Percent.php
+++ b/src/Interpolator/Percent.php
@@ -4,39 +4,6 @@
 
 class Percent implements \Plop\InterpolatorInterface
 {
-    /**
-     * Return a percent-prefixed variable.
-     *
-     * \param string $a
-     *      Variable to work on.
-     *
-     * \retval string
-     *      Percent-prefixed version of the variable name.
-     *
-     * @codeCoverageIgnore
-     */
-    private static function pctPrefix($a)
-    {
-        return '%('.$a.')';
-    }
-
-    /**
-     * Return an incremented and percent-prefixed variable.
-     *
-     * \param int $a
-     *      Variable to work on.
-     *
-     * \retval string
-     *      Incremented and percent-prefixed version
-     *      of the variable.
-     *
-     * @codeCoverageIgnore
-     */
-    private static function increment($a)
-    {
-        return '%'.($a + 1).'$';
-    }
-
     /// \copydoc Plop::InterpolatorInterface::interpolate().
     public function interpolate($msg, array $args = array())
     {
@@ -56,8 +23,8 @@ public function interpolate($msg, array $args = array())
         // Mapping = array(name => index)
         $keys       = array_keys($args);
         $mapping    = array_flip($keys);
-        $keys       = array_map(array('static', 'pctPrefix'), $keys);
-        $values     = array_map(array('static', 'increment'), $mapping);
+        $keys       = array_map(function ($key) { return "%($key)"; }, $keys);
+        $values     = array_map(function ($val) { return '%'.($val + 1).'$'; }, $mapping);
         $mapping    = array_combine($keys, $values);
         $msg        = strtr($msg, $mapping);
         return vsprintf($msg, array_values($args));
diff --git a/tests/unit/Interpolator/PercentTest.php b/tests/unit/Interpolator/PercentTest.php
index 9d490f4..88bfc46 100644
--- a/tests/unit/Interpolator/PercentTest.php
+++ b/tests/unit/Interpolator/PercentTest.php
@@ -43,8 +43,6 @@ public function testdata()
     /**
      * @dataProvider    testdata
      * @covers          \Plop\Interpolator\Percent::interpolate
-     * @covers          \Plop\Interpolator\Percent::pctPrefix
-     * @covers          \Plop\Interpolator\Percent::increment
      */
     public function testInterpolation($expected, $pattern, $args)
     {