Add fn not.

Author: itarato

cw_tool.module

@@ -359,3 +359,14 @@ function cw_tool_library() {
 
   return $libraries;
 }
+
+/**
+ * Check if the form ID is associated to the form class.
+ *
+ * @param string $class
+ * @param string $form_id
+ * @return bool
+ */
+function cw_tool_is_form_id_of_form_class($class, $form_id) {
+  return strpos($form_id, $class) !== FALSE;
+}

src/CW/Util/FieldUtil.php

@@ -21,6 +21,8 @@ class FieldUtil {
   const KEY_SAFE_VALUE = 'safe_value';
   const KEY_NODEREFERENCE_ID = 'nid';
   const KEY_URI = 'uri';
+  const KEY_DATE_START = 'value';
+  const KEY_DATE_END = 'value2';
   const KEY_RICH_TEXT_FORMAT = 'format';
 
 }

src/CW/Util/Functional.php

@@ -142,7 +142,7 @@ public static function first(array $list, $callable, $defaultValue = NULL) {
   }
 
   /**
-   * Mimics the functional dot: F1 . F2 . F3 .. -> F1(F2(F3(...))).
+   * Mimics the functional dot: F1 . F2 ... Fn-1 . Fn -> Fn(Fn-1(...F2(F1())...)).
    *
    * @param callable[] $callbacks
    * @param mixed $value
@@ -189,4 +189,22 @@ public static function curry($callback) {
     };
   }
 
+  /**
+   * Generates a negating callback.
+   *
+   * @param callable $callable
+   * @return \Closure
+   */
+  public static function fnNot($callable) {
+    $staticArgs = func_get_args();
+    array_shift($staticArgs);
+
+    return function () use ($callable, $staticArgs) {
+      $dynArgs = func_get_args();
+      $args = array_merge($staticArgs, $dynArgs);
+
+      return !call_user_func_array($callable, $args);
+    };
+  }
+
 }

tests/phpunit/Util/FunctionalTest.php

@@ -148,6 +148,32 @@ public function testCurry() {
     $this->assertEquals(22, $staticSum());
   }
 
+  public function testNotSimple() {
+    $fnNotString = Functional::fnNot('is_string');
+
+    $this->assertTrue($fnNotString(1));
+    $this->assertTrue($fnNotString(NULL));
+    $this->assertTrue($fnNotString(FALSE));
+    $this->assertTrue($fnNotString(TRUE));
+
+    $this->assertFalse($fnNotString("hello"));
+    $this->assertFalse($fnNotString(''));
+  }
+
+  public function testNotComplex() {
+    $fnIsMod = function ($mod, $n) {
+      return $n % $mod === 0;
+    };
+
+    $fnNotIsMod10 = Functional::fnNot($fnIsMod, 10);
+
+    $this->assertEquals(TRUE, $fnNotIsMod10(1));
+    $this->assertEquals(TRUE, $fnNotIsMod10(3));
+    $this->assertEquals(FALSE, $fnNotIsMod10(10));
+    $this->assertEquals(TRUE, $fnNotIsMod10(1043));
+    $this->assertEquals(FALSE, $fnNotIsMod10(35298320));
+  }
+
 }
 
 class FunctionalTest__SimpleClassDummy {