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85 lines
3.2 KiB
85 lines
3.2 KiB
<?php
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/** @license MIT
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* Copyright 2017 , Dustin Wilson, J. King et al.
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* See LICENSE and AUTHORS files for details */
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declare(strict_types=1);
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namespace MensBeam\Lit\Grammar;
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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 JSON_INVALID_FILE = 200;
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const JSON_ERROR_STATE_MISMATCH = 201;
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const JSON_ERROR_CTRL_CHAR = 202;
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const JSON_ERROR_SYNTAX = 203;
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const JSON_ERROR_UTF8 = 204;
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const JSON_ERROR_RECURSION = 205;
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const JSON_ERROR_INF_OR_NAN = 206;
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const JSON_ERROR_UNSUPPORTED_TYPE = 207;
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const JSON_ERROR_INVALID_PROPERTY_NAME = 208;
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const JSON_ERROR_UTF16 = 209;
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const JSON_MISSING_PROPERTY = 210;
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const JSON_INVALID_TYPE = 211;
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const GRAMMAR_MISSING = 400;
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protected static $messages = [
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100 => 'Invalid error code',
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101 => 'Unknown error; escaping',
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102 => 'Incorrect number of parameters for Exception message; %s expected',
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103 => 'Unreachable code',
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200 => '"%s" is either not a file or you do not have permission to read the file',
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201 => '"%s" is invalid or malformed JSON',
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202 => 'Invalid control character encountered when parsing "%s"',
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203 => 'Syntax error, malformed JSON when parsing "%s"',
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204 => 'Malformed UTF-8 characters, possibly incorrectly encoded when parsing "%s"',
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205 => 'One or more recursive references could not be encoded when parsing "%s"',
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206 => 'One or more NAN or INF values could not be encoded when parsing "%s"',
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207 => 'Unsupported type encountered when parsing "%s"',
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208 => 'Invalid property name encountered when parsing "%s"',
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209 => 'Malformed UTF-16 characters, possibly incorrectly encoded when parsing "%s"',
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210 => '"%1$s" does not have the required %2$s property',
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211 => '%1$s expected for %2$s, found %3$s in "%4$s"',
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300 => 'A grammar for scope %s does not exist; one may be added using GrammarRegistry::set'
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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 self(self::INVALID_CODE);
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}
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$message = self::$messages[$code];
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$previous = null;
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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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// 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(array_unique($matches[1]));
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// If the number of replacements don't match the arguments then oops.
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if (count($args) !== $count) {
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throw new self(self::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', [ $message, ...$args ]);
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}
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parent::__construct("$message\n", $code, $previous);
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}
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}
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