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<?php
/*
* (c) Markus Lanthaler <mail@markus-lanthaler.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace ML\JsonLD\Test;
/**
* TestManifestIterator reads a test manifest and returns the contained test
* definitions.
*
* @author Markus Lanthaler <mail@markus-lanthaler.com>
*/
class TestManifestIterator implements \Iterator
{
/** The current position. */
private $key = 0;
/** The test directory. */
private $directory;
/** The test manifest. */
private $manifest;
/** The URL of the test manifest. */
private $url;
/** The total number of tests. */
private $numberTests = 0;
/**
* Constructor
*
* @param string $file The manifest's filename.
* @param string $url The manifest's URL.
*/
public function __construct($file, $url)
{
if (file_exists($file)) {
$this->manifest = json_decode(file_get_contents($file));
$this->numberTests = count($this->manifest->{'sequence'});
$this->url = $url;
$this->directory = dirname($file) . DIRECTORY_SEPARATOR;
}
}
/**
* Rewinds the TestManifestIterator to the first element.
*/
public function rewind()
{
$this->key = 0;
}
/**
* Checks if current position is valid.
*
* @return bool True if the current position is valid; otherwise, false.
*/
public function valid()
{
return ($this->key < $this->numberTests);
}
/**
* Returns the key of the current element.
*
* @return string The key of the current element
*/
public function key()
{
return $this->url . $this->manifest->{'sequence'}[$this->key]->{'@id'};
}
/**
* Returns the current element.
*
* @return array Returns an array containing the name of the test and the
* test definition object.
*/
public function current()
{
$test = $this->manifest->{'sequence'}[$this->key];
$options = isset($test->{'option'})
? clone $test->{'option'} // cloning because we are modifying it
: new \stdClass();
if (false === property_exists($options, 'base')) {
if (property_exists($this->manifest, 'baseIri')) {
$options->base = $this->manifest->{'baseIri'} . $test->{'input'};
} else {
$options->base = $test->{'input'};
}
}
if (isset($options->{'expandContext'}) && (false === strpos($options->{'expandContext'}, ':'))) {
$options->{'expandContext'} = $this->directory . $options->{'expandContext'};
}
$test = array(
'name' => $test->{'name'},
'test' => $test,
'options' => $options
);
return $test;
}
/**
* Moves forward to next element.
*/
public function next()
{
$this->key++;
}
}
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