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Your IP : 216.73.216.152
<?php
/**
* JCH Optimize - Aggregate and minify external resources for optmized downloads
*
* @author Samuel Marshall <sdmarshall73@gmail.com>
* @copyright Copyright (c) 2010 Samuel Marshall
* @license GNU/GPLv3, See LICENSE file
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* If LICENSE file missing, see <http://www.gnu.org/licenses/>.
*/
defined('_JCH_EXEC') or die('Restricted access');
class JchOptimizeCssParserBase extends JchOptimize\CSS_Optimize
{
/**
*
* @return type
*/
public static function staticFiles()
{
return array();
}
/**
*
* @return type
*/
public static function fontFiles()
{
return array();
}
/**
*
* @param type $sContents
* @param type $sHtml
* @return string
*/
public function optimizeCssDelivery($sContents, $sHtml)
{
$aContents = array(
'font-face' => '',
'criticalcss' => ''
);
return $aContents;
}
}
/**
*
*
*/
class JchOptimizeCssParser extends JchOptimizeCssParserBase
{
public $sLnEnd = '';
public $params;
protected $bBackend = FALSE;
public $e = '';
public $u = '';
/**
*
* @param type $sLnEnd
* @param type $bBackend
*/
public function __construct($params = NULL, $bBackend = false)
{
$this->sLnEnd = is_null($params) ? "\n" : JchPlatformUtility::lnEnd();
$this->params = is_null($params) ? NULL : $params;
$this->bBackend = $bBackend;
$e = self::DOUBLE_QUOTE_STRING . '|' . self::SINGLE_QUOTE_STRING . '|' . self::BLOCK_COMMENTS . '|'
. self::LINE_COMMENTS;
$this->e = "(?<!\\\\)(?:$e)|[\'\"/]";
$this->u = '(?<!\\\\)(?:' . self::URI . '|' . $e . ')|[\'\"/(]';
}
/**
*
* @param type $sContent
* @return type
*/
public function handleMediaQueries($sContent, $sParentMedia = '')
{
if ($this->bBackend)
{
return $sContent;
}
if (isset($sParentMedia) && ($sParentMedia != ''))
{
$obj = $this;
$sContent = preg_replace_callback(
"#(?>@?[^@'\"/(]*+(?:{$this->u})?)*?\K(?:@media ([^{]*+)|\K$)#i",
function($aMatches) use ($sParentMedia, $obj)
{
return $obj->_mediaFeaturesCB($aMatches, $sParentMedia);
}, $sContent
);
$a = $this->nestedAtRulesRegex();
$sContent = preg_replace(
"#(?>(?:\|\"[^|]++(?<=\")\||$a)\s*+)*\K"
. "(?>(?:$this->u|/|\(|@(?![^{};]++(?1)))?(?:[^|@'\"/(]*+|$))*+#i",
'@media ' . $sParentMedia . ' {' . $this->sLnEnd . '$0' . $this->sLnEnd . '}', trim($sContent)
);
$sContent = preg_replace("#(?>@?[^@'\"/(]*+(?:{$this->u})?)*?\K(?:@media[^{]*+{((?>\s*+|$this->e)++)}|$)#i", '$1', $sContent);
}
return $sContent;
}
/**
*
* @return string
*/
public static function nestedAtRulesRegex()
{
return '@[^{};]++({(?>[^{}]++|(?1))*+})';
}
/**
*
* @param type $aMatches
* @return type
*/
public function _mediaFeaturesCB($aMatches, $sParentMedia)
{
if (!isset($aMatches[1]) || $aMatches[1] == '' || preg_match('#^(?>\(|/(?>/|\*))#', $aMatches[0]))
{
return $aMatches[0];
}
return '@media ' . $this->combineMediaQueries($sParentMedia, trim($aMatches[1]));
}
/**
*
* @param type $sParentMediaQueries
* @param type $sChildMediaQueries
* @return type
*/
protected function combineMediaQueries($sParentMediaQueries, $sChildMediaQueries)
{
$aParentMediaQueries = preg_split('#\s++or\s++|,#i', $sParentMediaQueries);
$aChildMediaQueries = preg_split('#\s++or\s++|,#i', $sChildMediaQueries);
//$aMediaTypes = array('all', 'aural', 'braille', 'handheld', 'print', 'projection', 'screen', 'tty', 'tv', 'embossed');
$aMediaQuery = array();
foreach ($aParentMediaQueries as $sParentMediaQuery)
{
$aParentMediaQuery = $this->parseMediaQuery(trim($sParentMediaQuery));
foreach ($aChildMediaQueries as $sChildMediaQuery)
{
$sMediaQuery = '';
$aChildMediaQuery = $this->parseMediaQuery(trim($sChildMediaQuery));
if ($aParentMediaQuery['keyword'] == 'only' || $aChildMediaQuery['keyword'] == 'only')
{
$sMediaQuery .= 'only ';
}
if ($aParentMediaQuery['keyword'] == 'not' && $sChildMediaQuery['keyword'] == '')
{
if ($aParentMediaQuery['media_type'] == 'all')
{
$sMediaQuery .= '(not ' . $aParentMediaQuery['media_type'] . ')';
}
elseif ($aParentMediaQuery['media_type'] == $aChildMediaQuery['media_type'])
{
$sMediaQuery .= '(not ' . $aParentMediaQuery['media_type'] . ') and ' . $aChildMediaQuery['media_type'];
}
else
{
$sMediaQuery .= $aChildMediaQuery['media_type'];
}
}
elseif ($aParentMediaQuery['keyword'] == '' && $aChildMediaQuery['keyword'] == 'not')
{
if ($aChildMediaQuery['media_type'] == 'all')
{
$sMediaQuery .= '(not ' . $aChildMediaQuery['media_type'] . ')';
}
elseif ($aParentMediaQuery['media_type'] == $aChildMediaQuery['media_type'])
{
$sMediaQuery .= $aParentMediaQuery['media_type'] . ' and (not ' . $aChildMediaQuery['media_type'] . ')';
}
else
{
$sMediaQuery .= $aChildMediaQuery['media_type'];
}
}
elseif ($aParentMediaQuery['keyword'] == 'not' && $aChildMediaQuery['keyword'] == 'not')
{
$sMediaQuery .= 'not ' . $aChildMediaQuery['keyword'];
}
else
{
if ($aParentMediaQuery['media_type'] == $aChildMediaQuery['media_type']
|| $aParentMediaQuery['media_type'] == 'all')
{
$sMediaQuery .= $aChildMediaQuery['media_type'];
}
elseif ($aChildMediaQuery['media_type'] == 'all')
{
$sMediaQuery .= $aParentMediaQuery['media_type'];
}
else
{
$sMediaQuery .= $aParentMediaQuery['media_type'] . ' and ' . $aChildMediaQuery['media_type'];
}
}
if (isset($aParentMediaQuery['expression']))
{
$sMediaQuery .= ' and ' . $aParentMediaQuery['expression'];
}
if (isset($aChildMediaQuery['expression']))
{
$sMediaQuery .= ' and ' . $aChildMediaQuery['expression'];
}
$aMediaQuery[] = $sMediaQuery;
}
}
return implode(', ', $aMediaQuery);
}
/**
*
* @param type $sMediaQuery
* @return type
*/
protected function parseMediaQuery($sMediaQuery)
{
$aParts = array();
$sMediaQuery = preg_replace(array('#\(\s++#', '#\s++\)#'), array('(', ')'), $sMediaQuery);
preg_match('#(?:\(?(not|only)\)?)?\s*+(?:\(?(all|aural|braille|handheld|print|projection|screen|tty|tv|embossed)\)?)?(?:\s++and\s++)?(.++)?#si',
$sMediaQuery, $aMatches);
$aParts['keyword'] = isset($aMatches[1]) ? strtolower($aMatches[1]) : '';
if (isset($aMatches[2]) && $aMatches[2] != '')
{
$aParts['media_type'] = strtolower($aMatches[2]);
}
else
{
$aParts['media_type'] = 'all';
}
if (isset($aMatches[3]) && $aMatches[3] != '')
{
$aParts['expression'] = $aMatches[3];
}
return $aParts;
}
/**
*
* @param string $sContent
* @param type $sAtRulesRegex
* @param type $sUrl
* @return string
*/
public function removeAtRules($sContent, $sAtRulesRegex, $sUrl = array('url' => 'CSS'))
{
if (preg_match_all($sAtRulesRegex, $sContent, $aMatches) === FALSE)
{
//JchOptimizeLogger::log(sprintf('Error parsing for at rules in %s', $sUrl['url']), $this->params);
return $sContent;
}
$m = array_filter($aMatches[0]);
if (!empty($m))
{
$m = array_unique($m);
$sAtRules = implode($this->sLnEnd, $m);
$sContentReplaced = str_replace($m, '', $sContent);
$sContent = $sAtRules . $this->sLnEnd . $this->sLnEnd . $sContentReplaced;
}
return $sContent;
}
/**
* Converts url of background images in css files to absolute path
*
* @param string $sContent
* @return string
*/
public function correctUrl($sContent, $aUrl)
{
$obj = $this;
$sCorrectedContent = preg_replace_callback(
"#(?>[(]?[^('/\"]*+(?:{$this->e}|/)?)*?(?:(?<=url)\(\s*+\K['\"]?((?<!['\"])[^)]*+|(?<!')[^\"]*+|[^']*+)['\"]?|\K$)#i",
function ($aMatches) use ($aUrl, $obj)
{
return $obj->_correctUrlCB($aMatches, $aUrl);
}, $sContent);
if (is_null($sCorrectedContent))
{
throw new Exception('The plugin failed to correct the url of the background images');
}
$sContent = $sCorrectedContent;
return $sContent;
}
/**
* Callback function to correct urls in aggregated css files
*
* @param array $aMatches Array of all matches
* @return string Correct url of images from aggregated css file
*/
public function _correctUrlCB($aMatches, $aUrl)
{
if (empty($aMatches[1]) || preg_match('#^(?:\(|/\*)#', $aMatches[0]))
{
return $aMatches[0];
}
$sImageUrl = $aMatches[1];
$sCssFileUrl = empty($aUrl['url']) ? '' : $aUrl['url'];
if (JchOptimizeUrl::isHttpScheme($sImageUrl))
{
if ((JchOptimizeUrl::isInternal($sCssFileUrl) || $sCssFileUrl == '') && JchOptimizeUrl::isInternal($sImageUrl))
{
$sImageUrl = JchOptimizeUrl::toRootRelative($sImageUrl, $sCssFileUrl);
$oImageUri = clone JchPlatformUri::getInstance($sImageUrl);
$aStaticFiles = $this->params->get('pro_staticfiles', array('css', 'js', 'jpe?g', 'gif', 'png', 'ico', 'bmp', 'pdf'));
unset($aStaticFiles[0]);
$sStaticFiles = implode('|', $aStaticFiles);
$aFontFiles = $this->fontFiles();
$sFontFiles = implode('|', $aFontFiles);
if (preg_match('#\.(?>' . $sStaticFiles . ')#', $oImageUri->getPath()))
{
$sImageUrl = JchOptimizeHelper::cookieLessDomain($this->params, $oImageUri->toString(array('path')));
}
elseif ($this->params->get('pro_cookielessdomain_enable', '0')
&& preg_match('#\.(?>' . $sFontFiles . ')#', $oImageUri->getPath()))
{
$oUri = clone JchPlatformUri::getInstance();
$sImageUrl = '//' . $oUri->toString(array('host', 'port')) .
$oImageUri->toString(array('path'));
}
}
else
{
if (!JchOptimizeUrl::isAbsolute($sImageUrl))
{
$sImageUrl = JchOptimizeUrl::toAbsolute($sImageUrl, $sCssFileUrl);
}
}
}
$sImageUrl = preg_match('#(?<!\\\\)[\s\'"(),]#', $sImageUrl) ? '"' . $sImageUrl . '"' : $sImageUrl;
return $sImageUrl;
}
/**
* Sorts @import and @charset as according to w3C <http://www.w3.org/TR/CSS2/cascade.html> Section 6.3
*
* @param string $sCss Combined css
* @return string CSS with @import and @charset properly sorted
* @todo replace @imports with media queries
*/
public function sortImports($sCss)
{
$i = "#(?>@?[^@('\"/]*+(?:{$this->u}|/|\()?)*?\K(?:@media\s([^{]++)({(?>[^{}]++|(?2))*+})|\K$)#i";
$sCssMediaImports = preg_replace_callback("#(?>@?[^@('\"/]*+(?:{$this->u}|/|\()?)*?\K(?:@media\s([^{]++)({(?>[^{}]++|(?2))*+})|\K$)#i",
array(__CLASS__, '_sortImportsCB'), $sCss);
if (is_null($sCssMediaImports))
{
//JchOptimizeLogger::log('Failed matching for imports within media queries in css', $this->params);
return $sCss;
}
$sCss = $sCssMediaImports;
$sCss = preg_replace('#@charset[^;}]++;?#i', '', $sCss);
$sCss = $this->removeAtRules($sCss, '#(?>[/@]?[^/@]*+(?:/\*(?>\*?[^\*]*+)*?\*/)?)*?\K(?:@import[^;}]++;?|\K$)#i');
return $sCss;
}
/**
* Callback function for sort Imports
*
* @param type $aMatches
* @return string
*/
protected function _sortImportsCB($aMatches)
{
if (!isset($aMatches[1]) || $aMatches[1] == '' || preg_match('#^(?>\(|/(?>/|\*))#', $aMatches[0]))
{
return $aMatches[0];
}
$sMedia = $aMatches[1];
$sImports = preg_replace_callback('#(@import\surl\([^)]++\))([^;}]*+);?#',
function($aM) use ($sMedia)
{
if (!empty($aM[2]))
{
return $aM[1] . ' ' . $this->combineMediaQueries($sMedia, $aM[2]) . ';';
}
else
{
return $aM[1] . ' ' . $sMedia . ';';
}
}, $aMatches[2]);
$sCss = str_replace($aMatches[2], $sImports, $aMatches[0]);
return $sCss;
}
/**
*
* @param type $sCss
* @return type
*/
public function addRightBrace($sCss)
{
$sRCss = '';
$r = "#(?>[^{}'\"/(]*+(?:{$this->u})?)+?(?:(?<b>{(?>[^{}'\"/(]++|{$this->u}|(?&b))*+})|$)#";
preg_replace_callback("#(?>[^{}'\"/(]*+(?:{$this->u})?)+?(?:(?<b>{(?>[^{}'\"/(]++|{$this->u}|(?&b))*+})|(?=}}$))#",
function($m) use (&$sRCss)
{
$sRCss .= $m[0];
return;
}, rtrim($sCss) . '}}');
return $sRCss;
}
##<procode>##
public static function cssRulesRegex()
{
$c = self::BLOCK_COMMENTS . '|' . self::LINE_COMMENTS;
return "(?:\s*+(?>$c)\s*+)*+\K"
. "((?>[^{}@/]*+(?:/(?![*/]))?)*?)(?>{[^{}]*+}|(@[^{};]*+)(?>({((?>[^{}]++|(?3))*+)})|;?)|$)";
}
/**
*
* @staticvar string $sCssRuleRegex
* @param type $sContent
* @param type $sHtml
*/
public function optimizeCssDelivery($sContents, $sHtml)
{
JCH_DEBUG ? JchPlatformProfiler::start('OptimizeCssDelivery') : null;
$this->_debug('', '');
$sHtmlTruncated = '';
preg_replace_callback('#<(?:[a-z0-9]++)(?:[^>]*+)>(?><?[^<]*+)*?(?=<[a-z0-9])#i',
function($aM) use (&$sHtmlTruncated)
{
$sHtmlTruncated .= $aM[0];
return;
}, $sHtml, (int) $this->params->get('pro_optimizeCssDelivery', '200'));
$this->_debug('', '', 'afterHtmlTruncated');
$sHtmlTruncated = preg_replace('#\s*=\s*["\']([^"\']++)["\']#i', '=" $1 "', $sHtmlTruncated);
$sHtmlTruncated = preg_replace_callback('#(<(?>[^<>]++|(?1))*+>)|((?<=>)(?=[^<>\S]*+[^<>\s])[^<>]++)#',
function($m)
{
if (isset($m[1]) && $m[1] != '')
{
return $m[0];
}
if (isset($m[2]) && $m[2] != '')
{
return ' ';
}
}, $sHtmlTruncated);
$this->_debug('', '', 'afterHtmlAdjust');
$obj = $this;
$oDom = new DOMDocument();
libxml_use_internal_errors(TRUE);
$oDom->loadHtml($sHtmlTruncated);
libxml_clear_errors();
$oXPath = new DOMXPath($oDom);
$this->_debug('', '', 'afterLoadHtmlDom');
$sCriticalCss = '';
$sContents = preg_replace_callback(
'#' . self::cssRulesRegex() . '#',
function ($aMatches) use ($obj, $oXPath, $sHtmlTruncated, &$sCriticalCss)
{
return $obj->extractCriticalCss($aMatches, $oXPath, $sHtmlTruncated, $sCriticalCss);
}, $sContents);
$this->_debug('', '', 'afterExtractCriticalCss');
$sCriticalCss = preg_replace('#@[^{]*+{[^\S}]*+}#', '', $sCriticalCss);
$sCriticalCss = preg_replace('#@[^{]*+{[^\S}]*+}#', '', $sCriticalCss);
$sCriticalCss = preg_replace('#/\*\*\*!+[^!]+!\*\*\*+/[^\S]*+(?=\/\*\*\*!|$)#', '', $sCriticalCss);
$sCriticalCss = preg_replace('#\s*[\r\n]{2,}\s*#', "\n\n", $sCriticalCss);
$aContents = array(
'font-face' => trim($sContents),
'criticalcss' => trim($sCriticalCss)
);
$this->_debug(self::cssRulesRegex(), '', 'afterCleanCriticalCss');
JCH_DEBUG ? JchPlatformProfiler::stop('OptimizeCssDelivery', TRUE) : null;
return $aContents;
}
/**
*
* @param type $aMatches
* @param type $oXPath
* @param type $sHtml
* @param type $sCriticalCss
* @return string
*/
public function extractCriticalCss($aMatches, $oXPath, $sHtml, &$sCriticalCss)
{
$matches0 = ltrim($aMatches[0]);
if (preg_match('#^(?>@(?:-[^-]+-)?(?:font-face|import))#i', $matches0))
{
$sCriticalCss .= $aMatches[0];
return $aMatches[0];
}
if (preg_match('#^@media#', $matches0))
{
$sCriticalCss .= $aMatches[2] . '{';
$obj = $this;
$sMatch = preg_replace_callback(
'#' . self::cssRulesRegex() . '#',
function ($aMatches) use ($obj, $oXPath, $sHtml, &$sCriticalCss)
{
return $obj->extractCriticalCss($aMatches, $oXPath, $sHtml, $sCriticalCss);
}, $aMatches[4]);
unset($obj);
$sCriticalCss .= $this->sLnEnd . '}' . $this->sLnEnd;
return $sMatch;
}
if (preg_match('#^\s*+@(?:-[^-]+-)?(?:page|keyframes|charset|namespace)#i', $matches0))
{
return '';
}
$sSelectors = preg_replace('#:not\([^)]+\)|::?[a-zA-Z0-9(\[\])-]+#', '', $aMatches[1]);
$aSelectors = explode(',', $sSelectors);
$aFoundSels = array();
foreach ($aSelectors as $sSelector)
{
$aTargetSelector = preg_split('#[^>+~ \[]*+(?:\[[^\]]*\])?\K[>+~ ]*+#', trim($sSelector), -1, PREG_SPLIT_NO_EMPTY);
$bFoundSel = TRUE;
foreach ($aTargetSelector as $sTargetSelector)
{
if (preg_match('#([a-z0-9]*)(?:([.\#]([_a-z0-9-]+))|(\[([_a-z0-9-]+)(?:[~|^$*]?=["\']?([^\]"\']+))?))*#i',
$sTargetSelector, $aS))
{
if (isset($aS[1]) && $aS[1] != '')
{
$sNeedle = '<' . $aS[1];
}
if (isset($aS[4]) && $aS[4] != '')
{
$sNeedle = isset($aS[6]) ? $aS[6] : $aS[5] . '="';
}
if (isset($aS[2]) && $aS[2] != '')
{
$sNeedle = ' ' . $aS[3] . ' ';
}
if (isset($sNeedle) && strpos($sHtml, $sNeedle) === FALSE)
{
$bFoundSel = FALSE;
break;
}
}
}
if ($bFoundSel)
{
$aFoundSels[] = $sSelector;
}
}
if (empty($aFoundSels))
{
$this->_debug('', '', 'afterSelectorNotFound');
return '';
}
$sFoundSels = implode(',', $aFoundSels);
$this->_debug($sFoundSels, '', 'afterSelectorFound');
$sXPath = $this->convertCss2XPath($sFoundSels);
$this->_debug($sXPath, '', 'afterConvertCss2XPath');
if ($sXPath)
{
$aXPaths = array_unique(explode(' | ', $sXPath));
foreach ($aXPaths as $sXPathValue)
{
$oElement = $oXPath->query($sXPathValue);
// if ($oElement === FALSE)
// {
// echo $aMatches[1] . "\n";
// echo $sXPath . "\n";
// echo $sXPathValue . "\n";
// echo "\n\n";
// }
if ($oElement !== FALSE && $oElement->length)
{
$sCriticalCss .= $aMatches[0];
$this->_debug($sXPathValue, '', 'afterCriticalCssFound');
return '';
}
$this->_debug($sXPathValue, '', 'afterCriticalCssNotFound');
}
}
return '';
}
/**
*
* @param type $sSelector
* @return boolean
*/
public function convertCss2XPath($sSelector)
{
$sSelector = preg_replace('#\s*([>+~,])\s*#', '$1', $sSelector);
$sSelector = trim($sSelector);
$sSelector = preg_replace('#\s+#', ' ', $sSelector);
if (!$sSelector)
{
return FALSE;
}
$sSelectorRegex = '#(?!$)'
. '([>+~, ]?)' //separator
. '([*a-z0-9]*)' //element
. '(?:(([.\#])([_a-z0-9-]+))(([.\#])([_a-z0-9-]+))?|'//class or id
. '(\[([_a-z0-9-]+)(([~|^$*]?=)["\']?([^\]"\']+)["\']?)?\]))*' //attribute
. '#i';
return preg_replace_callback($sSelectorRegex, array($this, '_tokenizer'), $sSelector) . '[1]';
}
/**
*
* @param type $aM
*/
protected function _tokenizer($aM)
{
$sXPath = '';
switch ($aM[1])
{
case '>':
$sXPath .= '/';
break;
case '+':
$sXPath .= '/following-sibling::*';
break;
case '~':
$sXPath .= '/following-sibling::';
break;
case ',':
$sXPath .= '[1] | descendant-or-self::';
break;
case ' ':
$sXPath .= '/descendant::';
break;
default:
$sXPath .= 'descendant-or-self::';
break;
}
if ($aM[1] != '+')
{
$sXPath .= $aM[2] == '' ? '*' : $aM[2];
}
if (isset($aM[3]) || isset($aM[9]))
{
$sXPath .= '[';
$aPredicates = array();
if (isset($aM[4]) && $aM[4] == '.')
{
$aPredicates[] = "contains(@class, ' " . $aM[5] . " ')";
}
if (isset($aM[7]) && $aM[7] == '.')
{
$aPredicates[] = "contains(@class, ' " . $aM[8] . " ')";
}
if (isset($aM[4]) && $aM[4] == '#')
{
$aPredicates[] = "@id = ' " . $aM[5] . " '";
}
if (isset($aM[7]) && $aM[7] == '#')
{
$aPredicates[] = "@id = ' " . $aM[8] . " '";
}
if (isset($aM[9]))
{
if (!isset($aM[11]))
{
$aPredicates[] = '@' . $aM[10];
}
else
{
switch ($aM[12])
{
case '=':
$aPredicates[] = "@{$aM[10]} = ' {$aM[13]} '";
break;
case '|=':
$aPredicates[] = "(@{$aM[10]} = ' {$aM[13]} ' or "
. "starts-with(@{$aM[10]}, ' {$aM[13]}'))";
break;
case '^=':
$aPredicates[] = "starts-with(@{$aM[10]}, ' {$aM[13]}')";
break;
case '$=':
$aPredicates[] = "substring(@{$aM[10]}, string-length(@{$aM[10]})-"
. strlen($aM[13]) . ") = '{$aM[13]} '";
break;
case '~=':
$aPredicates[] = "contains(@{$aM[10]}, ' {$aM[13]} ')";
break;
case '*=':
$aPredicates[] = "contains(@{$aM[10]}, '{$aM[13]}')";
break;
default:
break;
}
}
}
if ($aM[1] == '+')
{
if ($aM[2] != '')
{
$aPredicates[] = "(name() = '" . $aM[2] . "')";
}
$aPredicates[] = '(position() = 1)';
}
$sXPath .= implode(' and ', $aPredicates);
$sXPath .= ']';
}
return $sXPath;
}
/**
*
* @return string
*/
public static function staticFiles()
{
$arr = array(
'css',
'js',
'jpe?g',
'gif',
'ico',
'png',
'bmp',
'pdf',
'pls',
'tif',
'mid',
'doc',
);
return $arr;
}
/**
*
* @return string
*/
public static function fontFiles()
{
$arr = array(
'woff',
'ttf',
'otf',
'svg',
'eot'
);
return $arr;
}
##</procode>##
}