file = $file;
if ($line) {
$this->line = $line;
}
parent::__construct($message, $code, $previous);
}
public function syntaxHighlight($code)
{
$code = preg_replace('/"(.*?)"/U', '"$1"', $code);
$code = preg_replace('/(\s)\b(.*?)((\b|\s)\()/U', '$1$2$3', $code);
$code = preg_replace('/(class)(.+)\s/', '$0', $code);
$code = preg_replace('/(\/\/)(.+)\s/', '$0', $code);
$code = preg_replace('/(\/\*.*?\*\/)/s', '$0', $code);
$code = preg_replace('/(\[|\{|\}|\])/', '$1', $code);
$code = preg_replace('/(\(|\)|\->|\=>)/', '$1', $code);
$code = preg_replace('/(\$[a-zA-Z0-9_]+)/', '$1', $code);
$code = preg_replace('/\b(print|echo|new|function|return|true|false|namespace|use|class|extends|implements)\b/', '$1', $code);
return $code;
}
/**
* @param $filename
* @param $line
* @return string
*/
private function readErrorFile($filename, $line)
{
$file = file($filename);
$totalLine = count($file);
$offset = 6;
$offsetStart = $line - $offset;
$offsetEnd = $line + $offset;
$start = ($offsetStart <= 0) ? 2 : $offsetStart;
$end = ($offsetEnd > $totalLine) ? $totalLine : $offsetEnd;
$content = '';
for ($i = $start; $i <= $end; $i++) {
$content .= '' . $i . '';
$content .= $this->syntaxHighlight(htmlspecialchars($file[$i - 1])) . '';
}
return '' . $content . '
';
}
/**
* @param \Exception|null $exception
*/
public function handler($exception = null)
{
if (DEBUG) {
$message = htmlspecialchars($exception->getMessage());
$file = $exception->getFile();
$line = $exception->getLine();
$trace = $exception->getTraceAsString();
$content = '' . $this->readErrorFile($file, $line) . '
';
$detail = '位于 ' . $file . ' 第 ' . $line . ' 行
';
$detail .= $content . '';
} else {
$message = '系统错误，请稍后重试。';
$detail = '请打开调试模式以查看详细信息。';
}
$message = $this->translateMessage($message);
$content = <<
系统错误
TOP-framework
EOF;
header("HTTP/1.1 404 Not Found");
echo $content;
}
public function translateMessage($message)
{
$message = str_ireplace(
['Undefined variable', 'Undefined offset', 'Undefined index', 'syntax error,', 'Use of undefined constant'],
['未定义变量', '未定义数组下标', '未定义数组索引', '语法错误:', '使用未定义常量:'],
$message
);
return $message;
}
}