/**
* Write a log message
*
* @param array The event to write log.
* @return void
*/
public function write($event)
{
// Do filter.
foreach ($this->options[self::OPT_FILTERS] as $filter) {
if (!$filter->filter($event)) {
return;
}
}
// Invoke write operation.
try {
Util\ErrorHandlerUtils::start();
$this->doWrite($event);
} catch (Exception $ex) {
Util\ErrorHandlerUtils::stop();
throw $ex;
}
if ($ex = Util\ErrorHandlerUtils::stop()) {
throw $ex;
}
}
/**
* Open appropriate stream resource by log level.
*
* @param int The log priority.
* @return resource The stream resource.
*/
protected function openStream($level)
{
// Decide appropriate file path by level.
$dir = isset($this->options[self::OPT_DIRS][$level]) ? $this->options[self::OPT_DIRS][$level] : $this->options[self::OPT_DEFAULT_DIR];
$file = $dir . DIRECTORY_SEPARATOR . $this->fname;
$key = md5($file);
// Get a stream resource.
if (!isset($this->leFiles[$key])) {
// Create directory.
if (!is_dir(dirname($file))) {
Util\ErrorHandlerUtils::start();
$r = mkdir(dirname($file), $this->options[self::OPT_DIR_MODE], true);
$ex = Util\ErrorHandlerUtils::stop(true);
if ($r === false || $ex) {
$message = 'Failed to create a directory.';
$context = ['dir' => dirname($file)];
throw new Exception\IllegalArgumentException($message, -1, $context, $ex);
}
}
// Get a file pointer.
Util\ErrorHandlerUtils::start();
$new = !file_exists($file);
$fd = fopen($file, $this->options[self::OPT_FOPEN_MODE]);
$ex = Util\ErrorHandlerUtils::stop(true);
if ($fd === false || $ex) {
$message = 'Failed to open a file.';
$context = ['file' => $file];
throw new Exception\IllegalArgumentException($message, -1, $context, $ex);
}
if ($new) {
chmod($file, $this->options[self::OPT_FILE_MODE]);
}
$this->leFiles[$key] = $fd;
}
// Return a resouce.
return $this->leFiles[$key];
}
/**
* Returns true, if a given value meets the validation requirements.
*
* @param mixed The value to validate.
* @return bool
*/
public function isValid($value)
{
try {
Util\ZendValUtils::convertToString($value, $strict = true);
} catch (\Exception $ex) {
$this->reportError(self::IS_ERR_INVALID, $value);
return false;
}
Util\ErrorHandlerUtils::start();
$status = preg_match($this->getOption('pattern'), $value);
Util\ErrorHandlerUtils::stop();
if ($status === false) {
$this->reportError(self::IS_ERR_INTERNAL, $value);
return false;
}
if ($status < 1) {
$this->reportError(self::IS_ERR_NOT_MATCH, $value);
return false;
}
return true;
}
/**
* Returns a parsable string representation of a variable
*
* @param mixed The variable you want to export.
* @param int How deep to browse.
* @return string Return the variable representation.
*/
public static function export($expression, $maxDepth = 5)
{
// Declare internal closure to export given parameter.
$currentDepth = 0;
$featureFunc = function ($expression) use($maxDepth, $currentDepth, &$featureFunc) {
if ($maxDepth < ++$currentDepth) {
return '...';
}
switch (ZendValUtils::getType($expression)) {
case IS_OBJECT:
$str = method_exists($expression, '__toString') ? (string) $expression : (method_exists($expression, 'getMessage') ? $expression->getMessage() : sprintf('object(%s)', get_class($expression)));
break;
case IS_ARRAY:
$str = '';
foreach ($expression as $key => $val) {
if (isset($str[0])) {
$str .= ', ';
}
$str .= is_array($val) ? sprintf("'%s' => [%s]", $key, $featureFunc($val, $maxDepth)) : sprintf("'%s' => '%s'", $key, $featureFunc($val, $maxDepth));
}
$str = "[{$str}]";
break;
case IS_NULL:
$str = 'null';
break;
default:
$str = $expression;
ErrorHandlerUtils::start();
ZendValUtils::convertToString($str);
ErrorHandlerUtils::stop();
break;
}
return $str;
};
// Invoke the internal closure.
return $featureFunc($expression, $maxDepth);
}
