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187c44e43e
suggestion is based on two principles: - first suggest commands the begin with the unknown name, to suggest commands after accidentally hitting enter - second find similar commands by computing the levenshtein distance which is a measurement on how many changes need to be made to convert one string into another. This is perfect for finding typos.
88 lines
3.9 KiB
PHP
88 lines
3.9 KiB
PHP
<?php
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/**
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* @link http://www.yiiframework.com/
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* @copyright Copyright (c) 2008 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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namespace yii\console;
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use Yii;
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use yii\base\ErrorException;
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use yii\base\UserException;
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use yii\helpers\Console;
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/**
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* ErrorHandler handles uncaught PHP errors and exceptions.
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*
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* ErrorHandler is configured as an application component in [[\yii\base\Application]] by default.
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* You can access that instance via `Yii::$app->errorHandler`.
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*
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* @author Carsten Brandt <mail@cebe.cc>
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* @since 2.0
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*/
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class ErrorHandler extends \yii\base\ErrorHandler
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{
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/**
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* Renders an exception using ansi format for console output.
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* @param \Exception $exception the exception to be rendered.
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*/
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protected function renderException($exception)
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{
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if ($exception instanceof UnknownCommandException) {
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// display message and suggest alternatives in case of unknown command
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$message = $this->formatMessage($exception->getName() . ': ') . $exception->command;
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$alternatives = $exception->getSuggestedAlternatives();
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if (count($alternatives) === 1) {
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$message .= "\n\nDid you mean \"" . reset($alternatives) . "\"?";
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} elseif (count($alternatives) > 1) {
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$message .= "\n\nDid you mean one of these?\n - " . implode("\n - ", $alternatives);
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}
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} elseif ($exception instanceof Exception && ($exception instanceof UserException || !YII_DEBUG)) {
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$message = $this->formatMessage($exception->getName() . ': ') . $exception->getMessage();
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} elseif (YII_DEBUG) {
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if ($exception instanceof Exception) {
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$message = $this->formatMessage("Exception ({$exception->getName()})");
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} elseif ($exception instanceof ErrorException) {
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$message = $this->formatMessage($exception->getName());
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} else {
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$message = $this->formatMessage('Exception');
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}
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$message .= $this->formatMessage(" '" . get_class($exception) . "'", [Console::BOLD, Console::FG_BLUE])
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. ' with message ' . $this->formatMessage("'{$exception->getMessage()}'", [Console::BOLD]) //. "\n"
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. "\n\nin " . dirname($exception->getFile()) . DIRECTORY_SEPARATOR . $this->formatMessage(basename($exception->getFile()), [Console::BOLD])
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. ':' . $this->formatMessage($exception->getLine(), [Console::BOLD, Console::FG_YELLOW]) . "\n";
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if ($exception instanceof \yii\db\Exception && !empty($exception->errorInfo)) {
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$message .= "\n" . $this->formatMessage("Error Info:\n", [Console::BOLD]) . print_r($exception->errorInfo, true);
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}
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$message .= "\n" . $this->formatMessage("Stack trace:\n", [Console::BOLD]) . $exception->getTraceAsString();
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} else {
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$message = $this->formatMessage('Error: ') . $exception->getMessage();
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}
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if (PHP_SAPI === 'cli') {
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Console::stderr($message . "\n");
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} else {
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echo $message . "\n";
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}
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}
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/**
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* Colorizes a message for console output.
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* @param string $message the message to colorize.
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* @param array $format the message format.
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* @return string the colorized message.
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* @see Console::ansiFormat() for details on how to specify the message format.
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*/
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protected function formatMessage($message, $format = [Console::FG_RED, Console::BOLD])
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{
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$stream = (PHP_SAPI === 'cli') ? \STDERR : \STDOUT;
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// try controller first to allow check for --color switch
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if (Yii::$app->controller instanceof \yii\console\Controller && Yii::$app->controller->isColorEnabled($stream)
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|| Yii::$app instanceof \yii\console\Application && Console::streamSupportsAnsiColors($stream)) {
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$message = Console::ansiFormat($message, $format);
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}
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return $message;
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}
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}
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