public function generate($oldText, $newText)
{
$patch = parent::generate($oldText, $newText);
$opList = array();
foreach ($patch as $op) {
if ($op instanceof LogootIns) {
$opList[] = LogootPlusIns::plus($op);
} elseif ($op instanceof LogootDel) {
$opList[] = LogootPlusDel::plus($op);
}
}
$p = new LogootPatch($patch->getId(), $opList);
$p->applied();
return $p;
}
public function generate($oldText, $newText)
{
$this->clock = utils::getNextClock();
wfDebugLog('p2p', $this->clock . ' - function logootEngine::generate ');
/* explode into lines */
$ota = explode("\n", $oldText);
$nta = explode("\n", $newText);
$counter = 0;
if (count($ota) == 1 && $ota[0] == "") {
// c'est un nouveau document
unset($ota[0]);
wfDebugLog('p2p', $this->clock . ' - function logootEngine::generate - création ');
$listOp = $this->generate_ins_text(1, $nta);
return $listOp;
} else {
list($trouve, $deb, $fin) = $this->locate($ota, $nta);
if ($trouve) {
//il y a eu un ajout de texte au début et/ou à la fin uniquement
$listOp = new LogootPatch($this->sessionid . $this->clock);
if ($deb > 0) {
wfDebugLog('p2p', $this->clock . ' - function logootEngine::generate - ajout au début ');
$listOp1 = $this->generate_ins_text(1, array_slice($nta, 0, $deb));
$listOp->addPatch($listOp1);
$delta = $listOp1->size();
} else {
$delta = 0;
}
if ($fin + 1 < count($nta)) {
wfDebugLog('p2p', $this->clock . ' - function logootEngine::generate - ajout à la fin ');
$listOp2 = $this->generate_ins_text(count($ota) + 1 + $delta, array_slice($nta, $fin + 1, count($nta) - ($fin + 1)));
$listOp->addPatch($listOp2);
}
return $listOp;
} else {
$listOp = new LogootPatch($this->sessionid . $this->clock);
$diffs = new Diff1($ota, $nta);
/* convert 4 operations into 2 operations */
foreach ($diffs->edits as $operation) {
switch ($operation->type) {
case "add":
$adds = $operation->closing;
ksort($adds, SORT_NUMERIC);
foreach ($adds as $lineNb => $linetxt) {
wfDebugLog('p2p', $this->clock . ' - function logootEngine::generate - Ajout ' . $linetxt . " (" . $lineNb . ")");
$listOp->add($this->generate_ins_line($lineNb, $linetxt));
$counter += 1;
}
break;
case "delete":
foreach ($operation->orig as $lineNb => $linetxt) {
wfDebugLog('p2p', $this->clock . ' - function logootEngine::generate - Suppression ' . $linetxt . " (" . $lineNb . ")");
$listOp->add($this->generate_del_line($lineNb + $counter, $linetxt));
$counter -= 1;
}
break;
case "change":
foreach ($operation->orig as $lineNb => $linetxt) {
wfDebugLog('p2p', $this->clock . ' - function logootEngine::generate - Change/Suppression ' . $linetxt . " (" . $lineNb . ")");
$listOp->add($this->generate_del_line($lineNb + $counter, $linetxt));
$counter -= 1;
}
$adds1 = $operation->closing;
ksort($adds1, SORT_NUMERIC);
foreach ($adds1 as $lineNb => $linetxt) {
wfDebugLog('p2p', $this->clock . ' - function logootEngine::generate - Change/Ajout ' . $linetxt . " (" . $lineNb . ")");
$listOp->add($this->generate_ins_line($lineNb, $linetxt));
$counter += 1;
}
break;
case "copy":
break;
default:
}
}
$listOp->applied();
return $listOp;
}
}
}
