A super easy PHP Framework for web development!
https://github.com/exacti/phacil-framework
194 lines
5.4 KiB
194 lines
5.4 KiB
<?php
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/*
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* This file is part of Mustache.php.
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*
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* (c) 2010-2017 Justin Hileman
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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/**
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* A Mustache Stream Logger.
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*
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* The Stream Logger wraps a file resource instance (such as a stream) or a
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* stream URL. All log messages over the threshold level will be appended to
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* this stream.
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*
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* Hint: Try `php://stderr` for your stream URL.
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*/
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class Mustache_Logger_StreamLogger extends Mustache_Logger_AbstractLogger
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{
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protected static $levels = array(
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self::DEBUG => 100,
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self::INFO => 200,
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self::NOTICE => 250,
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self::WARNING => 300,
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self::ERROR => 400,
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self::CRITICAL => 500,
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self::ALERT => 550,
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self::EMERGENCY => 600,
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);
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protected $level;
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protected $stream = null;
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protected $url = null;
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/**
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* @throws InvalidArgumentException if the logging level is unknown
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*
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* @param resource|string $stream Resource instance or URL
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* @param int $level The minimum logging level at which this handler will be triggered
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*/
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public function __construct($stream, $level = Mustache_Logger::ERROR)
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{
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$this->setLevel($level);
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if (is_resource($stream)) {
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$this->stream = $stream;
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} else {
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$this->url = $stream;
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}
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}
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/**
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* Close stream resources.
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*/
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public function __destruct()
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{
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if (is_resource($this->stream)) {
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fclose($this->stream);
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}
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}
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/**
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* Set the minimum logging level.
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*
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* @throws Mustache_Exception_InvalidArgumentException if the logging level is unknown
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*
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* @param int $level The minimum logging level which will be written
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*/
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public function setLevel($level)
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{
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if (!array_key_exists($level, self::$levels)) {
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throw new Mustache_Exception_InvalidArgumentException(sprintf('Unexpected logging level: %s', $level));
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}
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$this->level = $level;
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}
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/**
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* Get the current minimum logging level.
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*
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* @return int
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*/
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public function getLevel()
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{
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return $this->level;
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}
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/**
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* Logs with an arbitrary level.
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*
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* @throws Mustache_Exception_InvalidArgumentException if the logging level is unknown
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*
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* @param mixed $level
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* @param string $message
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* @param array $context
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*/
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public function log($level, $message, array $context = array())
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{
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if (!array_key_exists($level, self::$levels)) {
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throw new Mustache_Exception_InvalidArgumentException(sprintf('Unexpected logging level: %s', $level));
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}
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if (self::$levels[$level] >= self::$levels[$this->level]) {
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$this->writeLog($level, $message, $context);
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}
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}
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/**
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* Write a record to the log.
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*
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* @throws Mustache_Exception_LogicException If neither a stream resource nor url is present
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* @throws Mustache_Exception_RuntimeException If the stream url cannot be opened
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*
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* @param int $level The logging level
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* @param string $message The log message
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* @param array $context The log context
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*/
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protected function writeLog($level, $message, array $context = array())
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{
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if (!is_resource($this->stream)) {
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if (!isset($this->url)) {
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throw new Mustache_Exception_LogicException('Missing stream url, the stream can not be opened. This may be caused by a premature call to close().');
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}
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$this->stream = fopen($this->url, 'a');
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if (!is_resource($this->stream)) {
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// @codeCoverageIgnoreStart
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throw new Mustache_Exception_RuntimeException(sprintf('The stream or file "%s" could not be opened.', $this->url));
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// @codeCoverageIgnoreEnd
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}
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}
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fwrite($this->stream, self::formatLine($level, $message, $context));
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}
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/**
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* Gets the name of the logging level.
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*
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* @throws InvalidArgumentException if the logging level is unknown
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*
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* @param int $level
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*
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* @return string
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*/
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protected static function getLevelName($level)
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{
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return strtoupper($level);
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}
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/**
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* Format a log line for output.
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*
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* @param int $level The logging level
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* @param string $message The log message
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* @param array $context The log context
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*
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* @return string
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*/
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protected static function formatLine($level, $message, array $context = array())
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{
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return sprintf(
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"%s: %s\n",
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self::getLevelName($level),
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self::interpolateMessage($message, $context)
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);
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}
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/**
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* Interpolate context values into the message placeholders.
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*
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* @param string $message
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* @param array $context
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*
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* @return string
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*/
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protected static function interpolateMessage($message, array $context = array())
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{
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if (strpos($message, '{') === false) {
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return $message;
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}
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// build a replacement array with braces around the context keys
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$replace = array();
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foreach ($context as $key => $val) {
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$replace['{' . $key . '}'] = $val;
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}
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// interpolate replacement values into the the message and return
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return strtr($message, $replace);
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}
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}
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