83 lines
3.6 KiB
PHP
83 lines
3.6 KiB
PHP
<?php
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/*
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* This file is part of the JsonSchema package.
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace JsonSchema\Constraints;
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/**
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* The NumberConstraint Constraints, validates an number against a given schema
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*
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* @author Robert Schönthal <seroscho@googlemail.com>
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* @author Bruno Prieto Reis <bruno.p.reis@gmail.com>
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*/
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class NumberConstraint extends Constraint
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{
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/**
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* {@inheritDoc}
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*/
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public function check($element, $schema = null, $path = null, $i = null)
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{
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// Verify minimum
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if (isset($schema->exclusiveMinimum)) {
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if (isset($schema->minimum)) {
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if ($schema->exclusiveMinimum && $element <= $schema->minimum) {
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$this->addError($path, "Must have a minimum value of " . $schema->minimum, 'exclusiveMinimum', array('minimum' => $schema->minimum,));
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} else if ($element < $schema->minimum) {
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$this->addError($path, "Must have a minimum value of " . $schema->minimum, 'minimum', array('minimum' => $schema->minimum,));
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}
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} else {
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$this->addError($path, "Use of exclusiveMinimum requires presence of minimum", 'missingMinimum');
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}
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} else if (isset($schema->minimum) && $element < $schema->minimum) {
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$this->addError($path, "Must have a minimum value of " . $schema->minimum, 'minimum', array('minimum' => $schema->minimum,));
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}
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// Verify maximum
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if (isset($schema->exclusiveMaximum)) {
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if (isset($schema->maximum)) {
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if ($schema->exclusiveMaximum && $element >= $schema->maximum) {
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$this->addError($path, "Must have a maximum value of " . $schema->maximum, 'exclusiveMaximum', array('maximum' => $schema->maximum,));
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} else if ($element > $schema->maximum) {
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$this->addError($path, "Must have a maximum value of " . $schema->maximum, 'maximum', array('maximum' => $schema->maximum,));
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}
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} else {
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$this->addError($path, "Use of exclusiveMaximum requires presence of maximum", 'missingMinimum');
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}
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} else if (isset($schema->maximum) && $element > $schema->maximum) {
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$this->addError($path, "Must have a maximum value of " . $schema->maximum, 'maximum', array('maximum' => $schema->maximum,));
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}
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// Verify divisibleBy - Draft v3
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if (isset($schema->divisibleBy) && $this->fmod($element, $schema->divisibleBy) != 0) {
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$this->addError($path, "Is not divisible by " . $schema->divisibleBy, 'divisibleBy', array('divisibleBy' => $schema->divisibleBy,));
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}
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// Verify multipleOf - Draft v4
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if (isset($schema->multipleOf) && $this->fmod($element, $schema->multipleOf) != 0) {
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$this->addError($path, "Must be a multiple of " . $schema->multipleOf, 'multipleOf', array('multipleOf' => $schema->multipleOf,));
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}
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$this->checkFormat($element, $schema, $path, $i);
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}
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private function fmod($number1, $number2)
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{
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$modulus = fmod($number1, $number2);
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$precision = abs(0.0000000001);
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$diff = (float)($modulus - $number2);
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if (-$precision < $diff && $diff < $precision) {
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return 0.0;
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}
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$decimals1 = mb_strpos($number1, ".") ? mb_strlen($number1) - mb_strpos($number1, ".") - 1 : 0;
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$decimals2 = mb_strpos($number2, ".") ? mb_strlen($number2) - mb_strpos($number2, ".") - 1 : 0;
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return (float)round($modulus, max($decimals1, $decimals2));
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}
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}
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