Funivan\PhpTokenizer\Query\Query

Complexity

Total Complexity

30

Size/Duplication

Total Lines	294
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	3

Test Coverage

Coverage

100%

Importance

Changes

0

14 Methods

Rating	Name	Duplication	Size	Complexity
A	create()	0	3	1
A	typeIs()	0	10	1
A	typeNot()	0	10	1
A	valueIs()	0	9	1
A	valueNot()	0	10	1
B	valueLike()	0	24	5
A	indexIs()	0	10	1
A	indexNot()	0	9	1
A	indexGt()	0	10	1
A	indexLt()	0	9	1
A	isValid()	0	17	4
B	prepareValues()	0	21	6
B	prepareIntValues()	0	21	5
A	custom()	0	4	1

<?php

  declare(strict_types=1);

  namespace Funivan\PhpTokenizer\Query;

  use Funivan\PhpTokenizer\Exception\Exception;
  use Funivan\PhpTokenizer\Exception\InvalidArgumentException;
  use Funivan\PhpTokenizer\Token;

  /**
   * @author Ivan Shcherbak <dev@funivan.com>
   */
  class Query implements QueryInterface {


    /**
     * Array of check functions
     * As first argument accept token
     * Return boolean
     *
     * @var callable[]
     */
    protected $checkFunctions = [];

    /**
     * Storage of type conditions
     *
     * @var array
     */
    protected $type = [];

    /**
     * Storage of conditions conditions
     *
     * @var array
     */
    protected $value = [];

    /**
     * Storage of line conditions
     *
     * @var array
     */
    protected $line = [];

    /**
     * Storage of index conditions
     *
     * @var array
     */
    protected $index = [];


    /**
     * @return static
     */
    public static function create() {
      return new static();
    }


    /**
     * @param int|array $type Array<Int>|Int
     * @return $this
     */
    public function typeIs($type) {

      $types = $this->prepareIntValues($type);

      $this->checkFunctions[] = function (Token $token) use ($types) {
        return in_array($token->getType(), $types, true);
      };

      return $this;
    }


    /**
     * @param array|int $type Array<Int>|Int
     * @return $this
     */
    public function typeNot($type) {

      $types = $this->prepareIntValues($type);

      $this->checkFunctions[] = function (Token $token) use ($types) {
        return !in_array($token->getType(), $types, true);
      };

      return $this;
    }


    /**
     * @param array|string $value Array<String>|String
     * @return $this
     */
    public function valueIs($value) {
      $values = $this->prepareValues($value);

      $this->checkFunctions[] = function (Token $token) use ($values) {
        return in_array($token->getValue(), $values, true);
      };

      return $this;
    }


    /**
     * @param array|string $value Array<String>|String
     * @return $this
     */
    public function valueNot($value) {

      $values = $this->prepareValues($value);

      $this->checkFunctions[] = function (Token $token) use ($values) {
        return !in_array($token->getValue(), $values, true);
      };

      return $this;
    }


    /**
     * @param string[]|string $regex string[]
     * @return $this
     */
    public function valueLike($regex) {
      $regexConditions = $this->prepareValues($regex);

      $this->checkFunctions[] = function (Token $token) use ($regexConditions) {
        if (empty($regexConditions)) {
          return false;
        }

        $value = $token->getValue();

        if ($value === null) {
          return false;
        }
        foreach ($regexConditions as $regex) {
          if (!preg_match($regex, $value)) {
            return false;
          }
        }

        return true;
      };

      return $this;
    }


    /**
     * @param int|int[] $index
     * @return $this
     */
    public function indexIs($index) {

      $indexNumbers = $this->prepareIntValues($index);

      $this->checkFunctions[] = function (Token $token) use ($indexNumbers) {
        return in_array($token->getIndex(), $indexNumbers, true);
      };

      return $this;
    }


    /**
     * @param int|int[] $index
     * @return $this
     */
    public function indexNot($index) {
      $indexNumbers = $this->prepareIntValues($index);

      $this->checkFunctions[] = function (Token $token) use ($indexNumbers) {
        return !in_array($token->getIndex(), $indexNumbers, true);
      };

      return $this;
    }


    /**
     * @param int|int[] $index
     * @return $this
     */
    public function indexGt($index) {
      $indexNumbers = $this->prepareIntValues($index);

      $this->checkFunctions[] = function (Token $token) use ($indexNumbers) {
        return ($token->getIndex() > max($indexNumbers));
      };


      return $this;
    }


    /**
     * @param int|int[] $index
     * @return $this
     */
    public function indexLt($index) {
      $indexNumbers = $this->prepareIntValues($index);

      $this->checkFunctions[] = function (Token $token) use ($indexNumbers) {
        return ($token->getIndex() < min($indexNumbers));
      };

      return $this;
    }


    /**
     * @inheritdoc
     */
    public function isValid(\Funivan\PhpTokenizer\Token $token) {

      foreach ($this->checkFunctions as $check) {

        $result = $check($token);
        if (!is_bool($result)) {
          throw new Exception('Check function should return boolean value. Given:' . gettype($result));
        }

        if ($result === false) {
          return false;
        }

      }

      return true;
    }


    /**
     * @param string|int|array $value String|Int|Array<String>|Array<Int>
     * @return array Array<String>
     * @throws \Exception
     */
    protected function prepareValues($value) {

      if ($value === null) {
        return [];
      }

      if (is_object($value)) {
        throw new InvalidArgumentException('Invalid conditions. Must be string or array of string');
      }

      $value = array_values((array) $value);

      foreach ($value as $k => $val) {
        if (!is_string($val) and !is_numeric($val)) {
          throw new InvalidArgumentException('Invalid conditions. Must be string');
        }

        $value[$k] = (string) $val;
      }
      return $value;
    }


    /**
     * @param array|int $value Array<Int>|Int
     * @return array
     * @throws \Exception
     */
    protected function prepareIntValues($value) {

      if ($value === null) {
        return [];
      }

      if (is_object($value)) {
        throw new InvalidArgumentException('Invalid condition value. Must be int. Object given');
      }

      $value = array_values((array) $value);


      foreach ($value as $intValue) {
        if (!is_int($intValue)) {
          throw new InvalidArgumentException('Invalid conditions. Must be integer. Given:' . gettype($intValue));
        }
      }

      return $value;
    }


    /**
     * Under development
     *
     * @param callable $checkFunction
     * @return $this
     */
    public function custom(callable $checkFunction) {
      $this->checkFunctions[] = $checkFunction;
      return $this;
    }

  }