1. <?php
  3. /**
  4. * CLI tool to check constraints of collections (arrays/lists).
  5. *
  6. * Usage: php check_constraints.php <collection_type> <constraint_name> <constraint_value> <collection_file>
  7. *
  8. * Example: php check_constraints.php array min 10 data.txt
  9. */
  11. if (count($argv) !== 4) {
  12. echo "Usage: php check_constraints.php <collection_type> <constraint_name> <constraint_value> <collection_file>\n";
  13. exit(1);
  14. }
  16. $collection_type = $argv[1];
  17. $constraint_name = $argv[2];
  18. $constraint_value = $argv[3];
  19. $collection_file = $argv[4];
  21. if ($collection_type !== 'array' && $collection_type !== 'list') {
  22. echo "Error: Collection type must be 'array' or 'list'.\n";
  23. exit(1);
  24. }
  26. if (!file_exists($collection_file)) {
  27. echo "Error: Collection file '$collection_file' not found.\n";
  28. exit(1);
  29. }
  31. $collection = json_decode(file_get_contents($collection_file), true);
  33. if ($collection === null) {
  34. echo "Error: Could not decode JSON from '$collection_file'.\n";
  35. exit(1);
  36. }
  38. try {
  39. if ($collection_type === 'array') {
  40. if (!is_array($collection)) {
  41. echo "Error: '$collection_file' is not an array.\n";
  42. exit(1);
  43. }
  45. if (array_key_exists($constraint_name, $collection)) {
  46. if ($collection[$constraint_name] !== $constraint_value) {
  47. echo "Constraint '$constraint_name' failed: Expected '$constraint_value', got '" . $collection[$constraint_name] . "'.\n";
  48. exit(1);
  49. }
  50. } else {
  51. echo "Constraint '$constraint_name' not found in '$collection_file'.\n";
  52. exit(1);
  53. }
  56. } elseif ($collection_type === 'list') {
  57. if (!is_array($collection)) {
  58. echo "Error: '$collection_file' is not a list (array).\n";
  59. exit(1);
  60. }
  62. $constraint_found = false;
  63. foreach ($collection as $item) {
  64. if ($item === $constraint_value) {
  65. $constraint_found = true;
  66. }
  67. }
  69. if (!$constraint_found) {
  70. echo "Constraint '$constraint_name' failed: Expected '$constraint_value', not found in '$collection_file'.\n";
  71. exit(1);
  72. }
  73. }
  75. echo "Constraint '$constraint_name' passed in '$collection_file'.\n";
  76. exit(0);
  78. } catch (Exception $e) {
  79. echo "Error: " . $e->getMessage() . "\n";
  80. exit(1);
  81. }
  83. ?>

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