Dustin Wilson
3 years ago
11 changed files with 187 additions and 105 deletions
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<?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 dW\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 LIST_IMMUTABLE = 300; |
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const LIST_INVALID_INDEX = 301; |
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const LIST_INVALID_TYPE = 302; |
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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$s"', |
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300 => '%s is immutable', |
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301 => 'Invalid %1$s index at offset %2$s', |
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302 => '%1$s expected for %2$s, found %3$s' |
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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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