Returns a new index object which contains all class names of this index
starting with the given prefix
|
public filterByPrefix ( string $prefixFilter ) : |
||
| $prefixFilter | string | A prefix string to filter the class names of this index |
| return | A new index object | |
/**
* @test
*/
public function filterByPrefixWork()
{
$index1 = new Aop\Builder\ClassNameIndex();
$index1->setClassNames(['\\Foo\\Bar', '\\Foo\\Baz', '\\Bar\\Baz', '\\Foo\\Blubb']);
// We need to call sort manually!
$index1->sort();
$filteredIndex = $index1->filterByPrefix('\\Foo');
$this->assertEquals(['\\Foo\\Bar', '\\Foo\\Baz', '\\Foo\\Blubb'], $filteredIndex->getClassNames());
}
/**
* This method is used to optimize the matching process.
*
* @param ClassNameIndex $classNameIndex
* @return ClassNameIndex
*/
public function reduceTargetClassNames(ClassNameIndex $classNameIndex)
{
if (!preg_match('/^([^\\.\\(\\)\\{\\}\\[\\]\\?\\+\\$\\!\\|]+)/', $this->originalExpressionString, $matches)) {
return $classNameIndex;
}
$prefixFilter = $matches[1];
// We sort here to make sure the index is okay
$classNameIndex->sort();
return $classNameIndex->filterByPrefix($prefixFilter);
}
