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72 lines
2.3 KiB
72 lines
2.3 KiB
<?php
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/**
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* @license MIT
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* Copyright 2021, Dustin Wilson, J. King et al.
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* See LICENSE and AUTHORS files for details
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*/
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declare(strict_types=1);
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namespace MensBeam\Framework;
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class Exception extends \Exception {
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const INVALID_CODE = 100;
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const UNKNOWN_ERROR = 101;
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const INCORRECT_PARAMETERS_FOR_MESSAGE = 102;
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const UNREACHABLE_CODE = 103;
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const NONEXISTENT_PROPERTY = 201;
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const READONLY_PROPERTY = 202;
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const ARGUMENT_TYPE_ERROR = 203;
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const UNDEFINED_METHOD = 204;
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const RETURN_TYPE_ERROR = 205;
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protected static $messages = [
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100 => 'Invalid error code',
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101 => 'Unknown error; escaping',
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102 => 'Incorrect number of parameters for Exception message; %s expected',
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103 => 'Unreachable code',
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201 => 'Property %s does not exist',
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202 => 'Cannot write readonly property %s',
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203 => 'Argument #%s ($%s) must be of type %s, %s given',
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204 => 'Call to undefined method %s::%s()',
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205 => 'Function should return type %s, %s given'
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];
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public function __construct(int $code, ...$args) {
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if (!isset(self::$messages[$code])) {
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throw new Exception(Exception::INVALID_CODE);
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}
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$message = self::$messages[$code];
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$previous = null;
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// @codeCoverageIgnoreStart
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if ($args) {
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// Grab a previous exception if there is one.
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if ($args[0] instanceof \Throwable) {
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$previous = array_shift($args);
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} elseif (end($args) instanceof \Throwable) {
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$previous = array_pop($args);
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}
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}
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// @codeCoverageIgnoreEnd
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// Count the number of replacements needed in the message.
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preg_match_all('/(\%(?:\d+\$)?s)/', $message, $matches);
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$count = count($matches[1]);
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// If the number of replacements don't match the arguments then oops.
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if (count($args) !== $count) {
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throw new Exception(Exception::INCORRECT_PARAMETERS_FOR_MESSAGE, $count);
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}
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if ($count > 0) {
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// Go through each of the arguments and run sprintf on the strings.
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$message = call_user_func_array('sprintf', array_merge([$message], $args));
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}
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parent::__construct($message, $code, $previous);
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}
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}
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