<?php
/*
* This file is part of the JsonSchema package.
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace JsonSchema\Constraints;
use JsonSchema\Entity\JsonPointer;
/**
* The NumberConstraint Constraints, validates an number against a given schema
*
* @author Robert Schönthal <seroscho@googlemail.com>
* @author Bruno Prieto Reis <bruno.p.reis@gmail.com>
*/
class NumberConstraint extends Constraint
{
/**
* {@inheritdoc}
*/
public function check(&$element, $schema = null, JsonPointer $path = null, $i = null)
{
// Verify minimum
if (isset($schema->exclusiveMinimum)) {
if (isset($schema->minimum)) {
if ($schema->exclusiveMinimum && $element <= $schema->minimum) {
$this->addError($path, 'Must have a minimum value of ' . $schema->minimum, 'exclusiveMinimum', array('minimum' => $schema->minimum));
} elseif ($element < $schema->minimum) {
$this->addError($path, 'Must have a minimum value of ' . $schema->minimum, 'minimum', array('minimum' => $schema->minimum));
}
} else {
$this->addError($path, 'Use of exclusiveMinimum requires presence of minimum', 'missingMinimum');
}
} elseif (isset($schema->minimum) && $element < $schema->minimum) {
$this->addError($path, 'Must have a minimum value of ' . $schema->minimum, 'minimum', array('minimum' => $schema->minimum));
}
// Verify maximum
if (isset($schema->exclusiveMaximum)) {
if (isset($schema->maximum)) {
if ($schema->exclusiveMaximum && $element >= $schema->maximum) {
$this->addError($path, 'Must have a maximum value of ' . $schema->maximum, 'exclusiveMaximum', array('maximum' => $schema->maximum));
} elseif ($element > $schema->maximum) {
$this->addError($path, 'Must have a maximum value of ' . $schema->maximum, 'maximum', array('maximum' => $schema->maximum));
}
} else {
$this->addError($path, 'Use of exclusiveMaximum requires presence of maximum', 'missingMaximum');
}
} elseif (isset($schema->maximum) && $element > $schema->maximum) {
$this->addError($path, 'Must have a maximum value of ' . $schema->maximum, 'maximum', array('maximum' => $schema->maximum));
}
// Verify divisibleBy - Draft v3
if (isset($schema->divisibleBy) && $this->fmod($element, $schema->divisibleBy) != 0) {
$this->addError($path, 'Is not divisible by ' . $schema->divisibleBy, 'divisibleBy', array('divisibleBy' => $schema->divisibleBy));
}
// Verify multipleOf - Draft v4
if (isset($schema->multipleOf) && $this->fmod($element, $schema->multipleOf) != 0) {
$this->addError($path, 'Must be a multiple of ' . $schema->multipleOf, 'multipleOf', array('multipleOf' => $schema->multipleOf));
}
$this->checkFormat($element, $schema, $path, $i);
}
private function fmod($number1, $number2)
{
$modulus = ($number1 - round($number1 / $number2) * $number2);
$precision = 0.0000000001;
if (-$precision < $modulus && $modulus < $precision) {
return 0.0;
}
return $modulus;
}
}