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Implement the combined css functionality.  Local url references and replace with absolute urls instead of relative.
This commit is contained in:
Tim Almdal
2009-06-29 08:24:42 -07:00
parent 10b4eda6f0
commit 6ec293dfe7
3 changed files with 92 additions and 5 deletions
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modules/gallery/libraries/Gallery_View.php
+45 -4
View File
@@ -113,12 +113,53 @@ class Gallery_View_Core extends View {
protected function combine_css() {
$links = array();
$key = "";
foreach (array_keys($this->css) as $file) {
$links[] = "<link media=\"screen, projection\" rel=\"stylesheet\" type=\"text/css\" href=\"" .
url::file($file) . "\" />";
static $PATTERN = "#url\(\s*['|\"]{0,1}(.*?)['|\"]{0,1}\s*\)#";
foreach (array_keys($this->css) as $file) {
$path = DOCROOT . $file;
if (file_exists($path)) {
$stats = stat($path);
$links[] = $path;
// 7 == size, 9 == mtime, see http://php.net/stat
$key = "{$key}$file $stats[7] $stats[9],";
} else {
Kohana::log("alert", "CSS file missing: " . $file);
}
}
return implode("\n", $links);
$key = md5($key);
$cache = Cache::instance();
$contents = $cache->get($key);
$docroot_length = strlen(DOCROOT);
if (empty($contents)) {
$contents = "";
foreach ($links as $link) {
$css = file_get_contents($link);
if (preg_match_all($PATTERN, $css, $matches, PREG_SET_ORDER)) {
$search = $replace = array();
foreach ($matches as $match) {
$relative = substr(realpath(dirname($link) . "/$match[1]"), $docroot_length);
if (!empty($relative)) {
$search[] = $match[1];
$replace[] = url::abs_file($relative);
} else {
Kohana::log("alert", sprintf("Missing URL reference '%s' in CSS file '%s' ",
$match[1], $link));
}
}
$css = str_replace($search, $replace, $css);
}
$contents .= $css;
}
$cache->set($key, $contents, array("css"), 30 * 84600);
if (function_exists("gzencode")) {
$cache->set("{$key}_gz", gzencode($contents, 9, FORCE_GZIP),
array("css", "gzip"), 30 * 84600);
}
}
return "<link media=\"screen, projection\" rel=\"stylesheet\" type=\"text/css\" href=\"" .
url::site("combined/css/$key") . "\" />";
}
}