From fc7a0aee8f5517d4c84e4339b098ce9fd2201d46 Mon Sep 17 00:00:00 2001
From: Tim Otten <totten@civicrm.org>
Date: Fri, 24 May 2013 23:57:12 -0400
Subject: [PATCH] CRM-12499 - Add CRM_Utils_String::parsePrefix

----------------------------------------
* CRM-12499: Allow users with 'access user profiles' to access $userRecordUrl
  http://issues.civicrm.org/jira/browse/CRM-12499
---
 CRM/Utils/String.php                   | 19 +++++++++++++++++++
 tests/phpunit/CRM/Utils/StringTest.php | 17 +++++++++++++++++
 2 files changed, 36 insertions(+)

diff --git a/CRM/Utils/String.php b/CRM/Utils/String.php
index 9289125691..1e8cde11a9 100644
--- a/CRM/Utils/String.php
+++ b/CRM/Utils/String.php
@@ -631,5 +631,24 @@ class CRM_Utils_String {
     return $result;
   }
 
+  /**
+   * Examples:
+   * "admin foo" => array(NULL,"admin foo")
+   * "cms:admin foo" => array("cms", "admin foo")
+   *
+   * @param string $string e.g. "view all contacts". Syntax: "[prefix:]name"
+   * @return array (0 => string|NULL $prefix, 1 => string $value)
+   */
+  public static function parsePrefix($delim, $string, $defaultPrefix = NULL) {
+    $pos = strpos($string, $delim);
+    if ($pos === FALSE) {
+      return array($defaultPrefix, $string);
+    }
+    else {
+      return array(substr($string, 0, $pos), substr($string, 1+$pos));
+    }
+  }
+
+
 }
 
diff --git a/tests/phpunit/CRM/Utils/StringTest.php b/tests/phpunit/CRM/Utils/StringTest.php
index 8096603c30..b330713b4c 100644
--- a/tests/phpunit/CRM/Utils/StringTest.php
+++ b/tests/phpunit/CRM/Utils/StringTest.php
@@ -104,5 +104,22 @@ class CRM_Utils_StringTest extends CiviUnitTestCase {
       $this->assertRegExp('/^[12345678]+$/', $actual);
     }
   }
+
+  public function parsePrefixData() {
+    $cases = array();
+    $cases[] = array('administer CiviCRM', NULL, array(NULL, 'administer CiviCRM'));
+    $cases[] = array('administer CiviCRM', 'com_civicrm', array('com_civicrm', 'administer CiviCRM'));
+    $cases[] = array('Drupal:access user profiles', NULL, array('Drupal', 'access user profiles'));
+    $cases[] = array('Joomla:component:perm', NULL, array('Joomla', 'component:perm'));
+    return $cases;
+  }
+
+  /**
+   * @dataProvider parsePrefixData
+   */
+  public function testParsePrefix($input, $defaultPrefix, $expected) {
+    $actual = CRM_Utils_String::parsePrefix(':', $input, $defaultPrefix);
+    $this->assertEquals($expected, $actual);
+  }
 }
 
-- 
2.25.1