Same name and namespace in other branches

1. 11.x core/lib/Drupal/Component/Diff/DiffOpOutputBuilder.php \Drupal\Component\Diff\DiffOpOutputBuilder::toOpsArray()

Converts the output of Differ to an array of DiffOp* value objects.

Parameters

array $diff: The array output of Differ::diffToArray().

Return value

\Drupal\Component\Diff\Engine\DiffOp[] An array of DiffOp* value objects.

1 call to DiffOpOutputBuilder::toOpsArray()

DiffOpOutputBuilder::getDiff in core/lib/Drupal/Component/Diff/DiffOpOutputBuilder.php

File

core/lib/Drupal/Component/Diff/DiffOpOutputBuilder.php, line 39

Class

DiffOpOutputBuilder

Returns a diff as an array of DiffOp operations.

Namespace

Drupal\Component\Diff

Code

public function toOpsArray(array $diff) : array {
  $ops = [];
  $hunkMode = NULL;
  $hunkSource = [];
  $hunkTarget = [];
  for ($i = 0; $i < count($diff); $i++) {
    // Handle a sequence of removals + additions as a sequence of changes, and
    // manages the tail if required.
    if ($diff[$i][1] === Differ::REMOVED) {
      if ($hunkMode !== NULL) {
        $ops[] = $this->hunkOp($hunkMode, $hunkSource, $hunkTarget);
        $hunkSource = [];
        $hunkTarget = [];
      }
      for ($n = $i; $n < count($diff) && $diff[$n][1] === Differ::REMOVED; $n++) {
        $hunkSource[] = $diff[$n][0];
      }
      for (; $n < count($diff) && $diff[$n][1] === Differ::ADDED; $n++) {
        $hunkTarget[] = $diff[$n][0];
      }
      if (count($hunkTarget) === 0) {
        $ops[] = $this->hunkOp(Differ::REMOVED, $hunkSource, $hunkTarget);
      }
      else {
        $ops[] = $this->hunkOp(self::CHANGED, $hunkSource, $hunkTarget);
      }
      $hunkMode = NULL;
      $hunkSource = [];
      $hunkTarget = [];
      $i = $n - 1;
      continue;
    }
    // When here, we are adding or copying the item. Removing or changing is
    // managed above.
    if ($hunkMode === NULL) {
      $hunkMode = $diff[$i][1];
    }
    elseif ($hunkMode !== $diff[$i][1]) {
      $ops[] = $this->hunkOp($hunkMode, $hunkSource, $hunkTarget);
      $hunkMode = $diff[$i][1];
      $hunkSource = [];
      $hunkTarget = [];
    }
    $hunkSource[] = $diff[$i][0];
  }
  if ($hunkMode !== NULL) {
    $ops[] = $this->hunkOp($hunkMode, $hunkSource, $hunkTarget);
  }
  return $ops;
}

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