/**
* Rewrite file relative URIs as root relative in CSS files
*
* @param string $css
*
* @param string $currentDir The directory of the current CSS file.
*
* @param string $prependAbsolutePath
*
* @param string $prependAbsolutePathCallback
*
* @param string $docRoot The document root of the web site in which
* the CSS file resides (default = $_SERVER['DOCUMENT_ROOT']).
*
* @param array $symlinks (default = array()) If the CSS file is stored in
* a symlink-ed directory, provide an array of link paths to
* target paths, where the link paths are within the document root. Because
* paths need to be normalized for this to work, use "//" to substitute
* the doc root in the link paths (the array keys). E.g.:
* <code>
* array('//symlink' => '/real/target/path') // unix
* array('//static' => 'D:\\staticStorage') // Windows
* </code>
*
* @param int $browserCacheId
*
* @param array $browserCacheExtensions
*
* @return string
*/
private static function _rewrite($css, $currentDir, $prependAbsolutePath = null, $prependAbsolutePathCallback = null, $docRoot = null, $symlinks = array(), $browserCacheId = 0, $browserCacheExtensions = array())
{
self::$_docRoot = self::_realpath($docRoot ? $docRoot : $_SERVER['DOCUMENT_ROOT']);
self::$_currentDir = self::_realpath($currentDir);
self::$_prependAbsolutePath = $prependAbsolutePath;
self::$_prependAbsolutePathCallback = $prependAbsolutePathCallback;
self::$_symlinks = array();
self::$_browserCacheId = $browserCacheId;
self::$_browserCacheExtensions = $browserCacheExtensions;
// normalize symlinks
foreach ($symlinks as $link => $target) {
$link = $link === '//' ? self::$_docRoot : str_replace('//', self::$_docRoot . '/', $link);
$link = strtr($link, '/', DIRECTORY_SEPARATOR);
self::$_symlinks[$link] = self::_realpath($target);
}
self::$debugText .= "docRoot : " . self::$_docRoot . "\n" . "currentDir : " . self::$_currentDir . "\n";
if (self::$_symlinks) {
self::$debugText .= "symlinks : " . implode(', ', self::$_symlinks) . "\n";
}
self::$debugText .= "\n";
$css = self::_trimUrls($css);
// rewrite
$css = preg_replace_callback('/@import\\s+([\'"])(.*?)[\'"]/', array(self::$className, '_processUriCB'), $css);
$css = preg_replace_callback('/url\\(\\s*([^\\)\\s]+)\\s*\\)/', array(self::$className, '_processUriCB'), $css);
return $css;
}
/**
* Rewrite file relative URIs as root relative in CSS files
*
* @param string $css
*
* @param string $currentDir The directory of the current CSS file.
*
* @param string $docRoot The document root of the web site in which
* the CSS file resides (default = $_SERVER['DOCUMENT_ROOT']).
*
* @param array $symlinks (default = array()) If the CSS file is stored in
* a symlink-ed directory, provide an array of link paths to
* target paths, where the link paths are within the document root. Because
* paths need to be normalized for this to work, use "//" to substitute
* the doc root in the link paths (the array keys). E.g.:
* <code>
* array('//symlink' => '/real/target/path') // unix
* array('//static' => 'D:\\staticStorage') // Windows
* </code>
*
* @return string
*/
static public function rewrite($css, $currentDir, $docRoot = null, $symlinks = array())
{
self::$_docRoot = self::_realpath(
$docRoot ? $docRoot : $_SERVER['DOCUMENT_ROOT']
);
self::$_currentDir = self::_realpath($currentDir);
self::$_symlinks = array();
// normalize symlinks
foreach ($symlinks as $link => $target) {
$link = ($link === '//')
? self::$_docRoot
: str_replace('//', self::$_docRoot . '/', $link);
$link = strtr($link, '/', DIRECTORY_SEPARATOR);
self::$_symlinks[$link] = self::_realpath($target);
}
self::$debugText .= "docRoot : " . self::$_docRoot . "\n"
. "currentDir : " . self::$_currentDir . "\n";
if (self::$_symlinks) {
self::$debugText .= "symlinks : " . var_export(self::$_symlinks, 1) . "\n";
}
self::$debugText .= "\n";
$css = self::_trimUrls($css);
// rewrite
$css = preg_replace_callback('/@import\\s+([\'"])(.*?)[\'"]/'
,array(self::$className, '_processUriCB'), $css);
$css = preg_replace_callback('/url\\(\\s*([^\\)\\s]+)\\s*\\)/'
,array(self::$className, '_processUriCB'), $css);
return $css;
}
/**
* Rewrite file relative URIs as root relative in CSS files
*
* @param string $css
*
* @param string $currentDir The directory of the current CSS file.
*
* @param string $docRoot The document root of the web site in which
* the CSS file resides (default = $_SERVER['DOCUMENT_ROOT']).
*
* @param array $symlinks (default = array()) If the CSS file is stored in
* a symlink-ed directory, provide an array of link paths to
* target paths, where the link paths are within the document root. Because
* paths need to be normalized for this to work, use "//" to substitute
* the doc root in the link paths (the array keys). E.g.:
* <code>
* array('//symlink' => '/real/target/path') // unix
* array('//static' => 'D:\\staticStorage') // Windows
* </code>
*
* @return string
*/
public static function rewrite($css, $currentDir, $docRoot = null, $symlinks = array())
{
self::$_docRoot = $docRoot
? $docRoot
: $_SERVER['DOCUMENT_ROOT'];
self::$_docRoot = realpath(self::$_docRoot);
self::$_currentDir = realpath($currentDir);
self::$_symlinks = array();
// normalize symlinks
foreach ($symlinks as $link => $target) {
$link = str_replace('//', realpath(self::$_docRoot), $link);
$link = strtr($link, '/', DIRECTORY_SEPARATOR);
self::$_symlinks[$link] = realpath($target);
}
$css = self::_trimUrls($css);
// rewrite
$css = preg_replace_callback('/@import\\s+([\'"])(.*?)[\'"]/'
,array(self::$className, '_uriCB'), $css);
$css = preg_replace_callback('/url\\(\\s*([^\\)\\s]+)\\s*\\)/'
,array(self::$className, '_uriCB'), $css);
return $css;
}
/**
* Rewrite file relative URIs as root relative in CSS files
*
* @param string $css
*
* @param string $currentDir The directory of the current CSS file.
*
* @param string $docRoot The document root of the web site in which
* the CSS file resides (default = $_SERVER['DOCUMENT_ROOT']).
*
* @return string
*/
public static function rewrite($css, $currentDir, $docRoot = null, $prependPath = null)
{
self::$_docRoot = self::_realpath($docRoot ? $docRoot : $_SERVER['DOCUMENT_ROOT']);
self::$_currentDir = self::_realpath($currentDir);
self::$_prependPath = $prependPath ? $prependPath : '';
self::$debugText .= "docRoot : " . self::$_docRoot . "\n" . "currentDir : " . self::$_currentDir . "\n";
// if (self::$_symlinks) {
// self::$debugText .= "symlinks : " . var_export(self::$_symlinks, 1) . "\n";
// }
self::$debugText .= "\n";
$css = self::_trimUrls($css);
// rewrite
$css = preg_replace_callback('/@import\\s+(?:url)(.+);/', array(self::$className, '_processImportUriCB'), $css);
$css = preg_replace_callback('/url\\(\\s*([^\\)\\s]+)\\s*\\)/', array(self::$className, '_processUriCB'), $css);
return $css;
}
/**
* Rewrite file relative URIs as root relative in CSS files
*
* @param string $css
*
* @param string $currentDir The directory of the current CSS file.
*
* @param string $docRoot The document root of the web site in which
* the CSS file resides (default = $_SERVER['DOCUMENT_ROOT']).
*
* @return string
*/
public static function rewrite($css, $currentDir, $docRoot = null)
{
self::$_docRoot = $docRoot ? $docRoot : $_SERVER['DOCUMENT_ROOT'];
self::$_docRoot = realpath(self::$_docRoot);
self::$_currentDir = realpath($currentDir);
// remove ws around urls
$css = preg_replace('/
url\\( # url(
\\s*
([^\\)]+?) # 1 = URI (really just a bunch of non right parenthesis)
\\s*
\\) # )
/x', 'url($1)', $css);
// rewrite
$css = preg_replace_callback('/@import\\s+([\'"])(.*?)[\'"]/', array('Minify_CSS_UriRewriter', '_uriCB'), $css);
$css = preg_replace_callback('/url\\(\\s*([^\\)\\s]+)\\s*\\)/', array('Minify_CSS_UriRewriter', '_uriCB'), $css);
return $css;
}
