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Updated ImportProcessor to write relative for imported stuff like images based on the parent-css-path.

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This commit is contained in:
Simon Schick
2011-10-14 18:03:53 +03:00
parent f67da8e359
commit 26395db67a
1 changed files with 25 additions and 16 deletions
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41
min/lib/Minify/ImportProcessor.php
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@@ -16,6 +16,7 @@
*
* @package Minify
* @author Stephen Clay <steve@mrclay.org>
* @author Simon Schick <simonsimcity@gmail.com>
*/
class Minify_ImportProcessor {
@@ -32,17 +33,21 @@ class Minify_ImportProcessor {
// allows callback funcs to know the current directory
private $_currentDir = null;
// allows callback funcs to know the directory of the file that inherits this one
private $_previewsDir = null;
// allows _importCB to write the fetched content back to the obj
private $_importedContent = '';
private static $_isCss = null;
private function __construct($currentDir)
private function __construct($currentDir, $previewsDir)
{
$this->_currentDir = $currentDir;
$this->_previewsDir = $previewsDir;
}
private function _getContent($file)
private function _getContent($file, $is_imported = false)
{
$file = realpath($file);
if (! $file
@@ -78,7 +83,8 @@ class Minify_ImportProcessor {
,$content
);
if (self::$_isCss) {
// You only need to rework the import-path if the script is imported
if (self::$_isCss && $is_imported) {
// rewrite remaining relative URIs
$content = preg_replace_callback(
'/url\\(\\s*([^\\)\\s]+)\\s*\\)/'
@@ -111,13 +117,13 @@ class Minify_ImportProcessor {
$file = $this->_currentDir . DIRECTORY_SEPARATOR
. strtr($url, '/', DIRECTORY_SEPARATOR);
}
$obj = new Minify_ImportProcessor(dirname($file));
$content = $obj->_getContent($file);
$obj = new Minify_ImportProcessor(dirname($file), $this->__currentDir);
$content = $obj->_getContent($file, true);
if ('' === $content) {
// failed. leave in place for CSS, comment for JS
return self::$_isCss
? $m[0]
: "/* Minify_ImportProcessor could not fetch '{$file}' */";;
: "/* Minify_ImportProcessor could not fetch '{$file}' */";
}
return (!self::$_isCss || preg_match('@(?:^$|\\ball\\b)@', $mediaList))
? $content
@@ -140,18 +146,21 @@ class Minify_ImportProcessor {
// prepend path with current dir separator (OS-independent)
$path = $this->_currentDir
. DIRECTORY_SEPARATOR . strtr($url, '/', DIRECTORY_SEPARATOR);
// strip doc root
$path = substr($path, strlen(realpath($_SERVER['DOCUMENT_ROOT'])));
// fix to absolute URL
$url = strtr($path, '/\\', '//');
// remove /./ and /../ where possible
$url = str_replace('/./', '/', $url);
// inspired by patch from Oleg Cherniy
do {
$url = preg_replace('@/[^/]+/\\.\\./@', '/', $url, 1, $changed);
} while ($changed);
// update the relative path by the directory of the file that imported this one
$url = self::getPathDiff(realpath($this->_previewsDir), $path);
}
}
return "url({$quote}{$url}{$quote})";
}
private function getPathDiff($from, $to, $ps = '/') {
$arFrom = explode($ps, rtrim($from, $ps));
$arTo = explode($ps, rtrim($to, $ps));
while(count($arFrom) && count($arTo) && ($arFrom[0] == $arTo[0]))
{
array_shift($arFrom);
array_shift($arTo);
}
return str_pad("", count($arFrom) * 3, '..'.$ps).implode($ps, $arTo);
}
}