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<?php
/**
* Copyright (c) 2005-2009, Laurent Laville <pear@laurent-laville.org>
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the authors nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* PHP versions 4 and 5
*
* @category HTML
* @package HTML_CSS
* @author Laurent Laville <pear@laurent-laville.org>
* @copyright 2005-2009 Laurent Laville
* @license http://www.opensource.org/licenses/bsd-license.php BSD
* @version CVS: $Id: Error.php,v 1.15 2009/07/03 16:34:02 farell Exp $
* @link http://pear.php.net/package/HTML_CSS
* @since File available since Release 1.0.0RC1
*/
require_once 'PEAR.php';
/**
* This class creates a css error object, extending the PEAR_Error class.
*
* @category HTML
* @package HTML_CSS
* @author Laurent Laville <pear@laurent-laville.org>
* @copyright 2005-2009 Laurent Laville
* @license http://www.opensource.org/licenses/bsd-license.php BSD
* @version Release: 1.5.4
* @link http://pear.php.net/package/HTML_CSS
* @since Class available since Release 1.0.0RC1
*/
class HTML_CSS_Error extends PEAR_Error
{
/**
* Constructor (ZE1)
*
* @param string $message (optional) message
* @param int $code (optional) error code
* @param int $mode (optional) error mode, one of: PEAR_ERROR_RETURN,
* PEAR_ERROR_PRINT, PEAR_ERROR_DIE, PEAR_ERROR_TRIGGER,
* PEAR_ERROR_CALLBACK or PEAR_ERROR_EXCEPTION
* @param mixed $options (optional) error level, _OR_ in the case of
* PEAR_ERROR_CALLBACK, the callback function
* or object/method tuple.
* @param string $userinfo (optional) additional user/debug info
*
* @since version 1.0.0 (2006-06-24)
* @access public
*/
function HTML_CSS_Error($message = null,
$code = null, $mode = null, $options = null, $userinfo = null
) {
$this->__construct($message, $code, $mode, $options, $userinfo);
}
/**
* Constructor (ZE2)
*
* @param string $message (optional) message
* @param int $code (optional) error code
* @param int $mode (optional) error mode, one of: PEAR_ERROR_RETURN,
* PEAR_ERROR_PRINT, PEAR_ERROR_DIE, PEAR_ERROR_TRIGGER,
* PEAR_ERROR_CALLBACK or PEAR_ERROR_EXCEPTION
* @param mixed $options (optional) error level, _OR_ in the case of
* PEAR_ERROR_CALLBACK, the callback function
* or object/method tuple.
* @param string $userinfo (optional) additional user/debug info
*
* @since version 1.0.0 (2006-06-24)
* @access public
*/
function __construct($message = null,
$code = null, $mode = null, $options = null, $userinfo = null
) {
if ($mode === null) {
$mode = PEAR_ERROR_RETURN;
}
$this->message = $message;
$this->code = $code;
$this->mode = $mode;
$this->userinfo = $userinfo;
$this->backtrace = debug_backtrace();
if ($mode & PEAR_ERROR_CALLBACK) {
$this->level = E_USER_NOTICE;
$this->callback = $options;
} else {
if ($options === null) {
switch ($userinfo['level']) {
case 'exception':
case 'error':
$options = E_USER_ERROR;
break;
case 'warning':
$options = E_USER_WARNING;
break;
default:
$options = E_USER_NOTICE;
}
}
$this->level = $options;
$this->callback = null;
}
if ($this->mode & PEAR_ERROR_PRINT) {
echo $this->_display($userinfo);
}
if ($this->mode & PEAR_ERROR_TRIGGER) {
trigger_error($this->getMessage(), $this->level);
}
if ($this->mode & PEAR_ERROR_DIE) {
$this->log();
die();
}
if ($this->mode & PEAR_ERROR_CALLBACK) {
if (is_callable($this->callback)) {
call_user_func($this->callback, $this);
} else {
$this->log();
}
}
}
/**
* Get error level from an error object
*
* @return int error level
* @since version 1.0.0 (2006-06-24)
* @access public
*/
function getLevel()
{
return $this->level;
}
/**
* Default callback function/method from an error object
*
* @return void
* @since version 1.0.0 (2006-06-24)
* @access public
*/
function log()
{
$userinfo = $this->getUserInfo();
$display_errors = ini_get('display_errors');
$log_errors = ini_get('log_errors');
if ($display_errors) {
echo $this->_display($userinfo);
}
if ($log_errors) {
$this->_log($userinfo);
}
}
/**
* Returns the context of execution formatted.
*
* @param string $format the context of execution format
*
* @return string
* @since version 1.0.0 (2006-06-24)
* @access public
*/
function sprintContextExec($format)
{
$userinfo = $this->getUserInfo();
if (isset($userinfo['context'])) {
$context = $userinfo['context'];
} else {
$context = $this->getBacktrace();
$context = @array_pop($context);
}
if ($context) {
$file = $context['file'];
$line = $context['line'];
if (isset($context['class'])) {
$func = $context['class'];
$func .= $context['type'];
$func .= $context['function'];
} elseif (isset($context['function'])) {
$func = $context['function'];
} else {
$func = '';
}
return sprintf($format, $file, $line, $func);
}
return '';
}
/**
* Print an error message
*
* @param array $userinfo hash of parameters
*
* @return void
* @since version 1.0.0 (2006-06-24)
* @access private
*/
function _display($userinfo)
{
$displayDefault = array(
'eol' => "<br/>\n",
'lineFormat' => '<b>%1$s</b>: %2$s %3$s',
'contextFormat' => 'in <b>%3$s</b> ' .
'(file <b>%1$s</b> on line <b>%2$s</b>)'
);
$displayConf = $userinfo['display'];
$display = array_merge($displayDefault, $displayConf);
$contextExec = $this->sprintContextExec($display['contextFormat']);
return sprintf(
$display['lineFormat'] . $display['eol'],
ucfirst($userinfo['level']), $this->getMessage(), $contextExec
);
}
/**
* Send an error message somewhere
*
* @param array $userinfo hash of parameters
*
* @return void
* @since version 1.0.0 (2006-06-24)
* @access private
*/
function _log($userinfo)
{
$logDefault = array(
'eol' => "\n",
'lineFormat' => '%1$s %2$s [%3$s] %4$s %5$s',
'contextFormat' => 'in %3$s (file %1$s on line %2$s)',
'timeFormat' => '%b %d %H:%M:%S',
'ident' => $_SERVER['REMOTE_ADDR'],
'message_type' => 3,
'destination' => get_class($this) . '.log',
'extra_headers' => ''
);
$logConf = $userinfo['log'];
$log = array_merge($logDefault, $logConf);
$message_type = $log['message_type'];
$destination = '';
$extra_headers = '';
$send = true;
switch ($message_type) {
case 0: // LOG_TYPE_SYSTEM:
break;
case 1: // LOG_TYPE_MAIL:
$destination = $log['destination'];
$extra_headers = $log['extra_headers'];
break;
case 3: // LOG_TYPE_FILE:
$destination = $log['destination'];
break;
default:
$send = false;
}
if ($send) {
$time = explode(' ', microtime());
$time = $time[1] + $time[0];
$timestamp = isset($userinfo['time']) ? $userinfo['time'] : $time;
$contextExec = $this->sprintContextExec($log['contextFormat']);
$message = sprintf(
$log['lineFormat'] . $log['eol'],
strftime($log['timeFormat'], $timestamp),
$log['ident'],
$userinfo['level'],
$this->getMessage(),
$contextExec
);
error_log(
strip_tags($message), $message_type, $destination, $extra_headers
);
}
}
/**
* Default internal error handler
*
* Dies if the error is an exception (and would have died anyway)
*
* @param int $code a numeric error code.
* Valid are HTML_CSS_ERROR_* constants
* @param string $level error level ('exception', 'error', 'warning', ...)
*
* @return mixed
* @since version 0.3.3 (2004-05-20)
* @access private
*/
function _handleError($code, $level)
{
if ($level == 'exception') {
return PEAR_ERROR_DIE;
} else {
return null;
}
}
/**
* User callback to generate error messages for any instance
*
* @param int $code a numeric error code.
* Valid are HTML_CSS_ERROR_* constants
* @param mixed $userinfo if you need to pass along parameters
* for dynamic messages
*
* @return string
* @since version 1.0.0 (2006-06-24)
* @access private
*/
function _msgCallback($code, $userinfo)
{
$errorMessages = HTML_CSS_Error::_getErrorMessage();
if (isset($errorMessages[$code])) {
$mainmsg = $errorMessages[$code];
} else {
$mainmsg = $errorMessages[HTML_CSS_ERROR_UNKNOWN];
}
if (is_array($userinfo)) {
foreach ($userinfo as $name => $val) {
if (is_array($val)) {
// @ is needed in case $val is a multi-dimensional array
$val = @implode(', ', $val);
}
if (is_object($val)) {
if (method_exists($val, '__toString')) {
$val = $val->__toString();
} else {
continue;
}
}
$mainmsg = str_replace('%' . $name . '%', $val, $mainmsg);
}
}
return $mainmsg;
}
/**
* Error Message Template array
*
* @return string
* @since version 1.0.0 (2006-06-24)
* @access private
*/
function _getErrorMessage()
{
$messages = array(
HTML_CSS_ERROR_UNKNOWN =>
'unknown error',
HTML_CSS_ERROR_INVALID_INPUT =>
'invalid input, parameter #%paramnum% '
. '"%var%" was expecting '
. '"%expected%", instead got "%was%"',
HTML_CSS_ERROR_INVALID_GROUP =>
'group "%identifier%" already exist ',
HTML_CSS_ERROR_NO_GROUP =>
'group "%identifier%" does not exist ',
HTML_CSS_ERROR_NO_ELEMENT =>
'element "%identifier%" does not exist ',
HTML_CSS_ERROR_NO_ELEMENT_PROPERTY =>
'element "%identifier%" does not have property "%property%" ',
HTML_CSS_ERROR_NO_FILE =>
'filename "%identifier%" does not exist ',
HTML_CSS_ERROR_WRITE_FILE =>
'failed to write to "%filename%"',
HTML_CSS_ERROR_INVALID_DEPS =>
'invalid dependencies, %funcname% function '
. 'require %dependency% '
. 'but found %currentdep%',
HTML_CSS_ERROR_INVALID_SOURCE =>
'invalid input, source #%sourcenum% : '
. '%errcount% error(s), '
. '%warncount% warning(s)',
HTML_CSS_ERROR_NO_ATRULE =>
'At-Rule "%identifier%" does not exist '
);
return $messages;
}
}
?>
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