public function assign(DiffOp $diff)
{
$data = $diff->toArray();
$this->oldValue = @$data['oldvalue'];
$this->newValue = @$data['newvalue'];
return $this;
}
/**
* @dataProvider diffOpProvider
*
* @param DiffOp $diffOp
*/
public function testNewFromArrayWithConversion(DiffOp $diffOp)
{
$unserializationFunction = function ($array) {
if (is_array($array) && isset($array['type']) && $array['type'] === 'Change') {
return new DiffOpChange($array['teh_old'], $array['teh_new']);
}
return $array;
};
$factory = new DiffOpFactory($unserializationFunction);
$serializationFunction = function ($obj) {
if ($obj instanceof DiffOpChange) {
return array('type' => 'Change', 'teh_old' => $obj->getOldValue(), 'teh_new' => $obj->getNewValue());
}
return $obj;
};
// try with conversion callback
$array = $diffOp->toArray($serializationFunction);
$newInstance = $factory->newFromArray($array);
// If an equality method is implemented in DiffOp, it should be used here
$this->assertEquals($diffOp, $newInstance);
$this->assertEquals($diffOp->getType(), $newInstance->getType());
}
/**
* Returns the HTML for a single claim DiffOp.
*
* @since 0.4
*
* @param DiffOp $claimDiffOp
*
* @return string
* @throws MWException
*/
protected function getClaimDiffHtml(DiffOp $claimDiffOp)
{
if ($claimDiffOp instanceof DiffOpChange) {
$claimDifference = $this->claimDiffer->diffClaims($claimDiffOp->getOldValue(), $claimDiffOp->getNewValue());
return $this->claimDiffVisualizer->visualizeClaimChange($claimDifference, $claimDiffOp->getNewValue());
}
if ($claimDiffOp instanceof DiffOpAdd) {
return $this->claimDiffVisualizer->visualizeNewClaim($claimDiffOp->getNewValue());
} elseif ($claimDiffOp instanceof DiffOpRemove) {
return $this->claimDiffVisualizer->visualizeRemovedClaim($claimDiffOp->getOldValue());
} else {
throw new MWException('Encountered an unexpected diff operation type for a claim');
}
}
/**
* Does the actual work.
*
* @param string[] $path
* @param DiffOp $op
*
* @return string
* @throws MWException
*/
private function generateOpHtml(array $path, DiffOp $op)
{
if ($op->isAtomic()) {
$html = $this->generateDiffHeaderHtml(implode(' / ', $path));
//TODO: no path, but localized section title
//FIXME: complex objects as values?
if ($op->getType() === 'add') {
/** @var DiffOpAdd $op */
$html .= $this->generateChangeOpHtml(null, $op->getNewValue(), $path);
} elseif ($op->getType() === 'remove') {
/** @var DiffOpRemove $op */
$html .= $this->generateChangeOpHtml($op->getOldValue(), null, $path);
} elseif ($op->getType() === 'change') {
/** @var DiffOpChange $op */
$html .= $this->generateChangeOpHtml($op->getOldValue(), $op->getNewValue(), $path);
} else {
throw new MWException('Invalid diffOp type');
}
} else {
$html = '';
foreach ($op as $key => $subOp) {
$html .= $this->generateOpHtml(array_merge($path, array($key)), $subOp);
}
}
return $html;
}
/**
* @param DiffOp $diffOp
* @param string $action e.g. 'remove', see the constants in EntityChange
* @param string $siteId
* @param Title|null $title The page we create an edit summary for
*
* @return array|null
*/
private function getSiteLinkAddRemoveParams(DiffOp $diffOp, $action, $siteId, Title $title = null)
{
$params = array();
if (in_array($action, array('remove', 'restore'))) {
// Messages: wikibase-comment-remove, wikibase-comment-restore
$params['message'] = 'wikibase-comment-' . $action;
} elseif ($diffOp instanceof DiffOpAdd) {
$params['message'] = 'wikibase-comment-linked';
} elseif ($diffOp instanceof DiffOpRemove) {
$params['message'] = 'wikibase-comment-unlink';
} elseif ($diffOp instanceof DiffOpChange) {
if ($title && $title->getPrefixedText() === $diffOp->getOldValue()) {
$params['message'] = 'wikibase-comment-unlink';
} elseif ($title && $title->getPrefixedText() === $diffOp->getNewValue()) {
$params['message'] = 'wikibase-comment-linked';
} else {
$params['message'] = 'wikibase-comment-sitelink-change';
$params['sitelink'] = array('oldlink' => array('site' => $siteId, 'page' => $diffOp->getOldValue()), 'newlink' => array('site' => $siteId, 'page' => $diffOp->getNewValue()));
}
} else {
// whatever
$params = null;
}
return $params;
}
/**
* @dataProvider instanceProvider
*/
public function testToArrayWithConversion(DiffOp $diffOp)
{
$array = $diffOp->toArray(function ($diffOp) {
return array('Nyan!');
});
$this->assertInternalType('array', $array);
}
/**
* Gets called before a new element is added to the ArrayObject.
*
* At this point the index is always set (ie not null) and the
* value is always of the type returned by @see getObjectType.
*
* Should return a boolean. When false is returned the element
* does not get added to the ArrayObject.
*
* @param int|string $index
* @param DiffOp $value
*
* @return bool
* @throws InvalidArgumentException
*/
private function preSetElement($index, DiffOp $value)
{
if ($this->isAssociative === false && ($value->getType() !== 'add' && $value->getType() !== 'remove')) {
throw new InvalidArgumentException('Diff operation with invalid type "' . $value->getType() . '" provided.');
}
if (array_key_exists($value->getType(), $this->typePointers)) {
$this->typePointers[$value->getType()][] = $index;
} else {
throw new InvalidArgumentException('Diff operation with invalid type "' . $value->getType() . '" provided.');
}
return true;
}
