Page Menu
Home
Phorge
Search
Configure Global Search
Log In
Files
F2892869
No One
Temporary
Actions
View File
Edit File
Delete File
View Transforms
Subscribe
Award Token
Flag For Later
Advanced/Developer...
View Handle
View Hovercard
Size
8 KB
Referenced Files
None
Subscribers
None
View Options
diff --git a/src/infrastructure/celerity/CelerityResourceTransformer.php b/src/infrastructure/celerity/CelerityResourceTransformer.php
index 8c03d22951..27ce836d54 100644
--- a/src/infrastructure/celerity/CelerityResourceTransformer.php
+++ b/src/infrastructure/celerity/CelerityResourceTransformer.php
@@ -1,229 +1,283 @@
<?php
/**
* @group celerity
*/
final class CelerityResourceTransformer {
private $minify;
private $rawURIMap;
private $celerityMap;
private $translateURICallback;
private $currentPath;
public function setTranslateURICallback($translate_uricallback) {
$this->translateURICallback = $translate_uricallback;
return $this;
}
public function setMinify($minify) {
$this->minify = $minify;
return $this;
}
public function setCelerityMap(CelerityResourceMap $celerity_map) {
$this->celerityMap = $celerity_map;
return $this;
}
public function setRawURIMap(array $raw_urimap) {
$this->rawURIMap = $raw_urimap;
return $this;
}
public function getRawURIMap() {
return $this->rawURIMap;
}
/**
* @phutil-external-symbol function jsShrink
*/
public function transformResource($path, $data) {
$type = self::getResourceType($path);
switch ($type) {
case 'css':
$data = $this->replaceCSSPrintRules($path, $data);
$data = $this->replaceCSSVariables($path, $data);
$data = preg_replace_callback(
'@url\s*\((\s*[\'"]?.*?)\)@s',
nonempty(
$this->translateURICallback,
array($this, 'translateResourceURI')),
$data);
break;
}
if (!$this->minify) {
return $data;
}
// Some resources won't survive minification (like Raphael.js), and are
// marked so as not to be minified.
if (strpos($data, '@'.'do-not-minify') !== false) {
return $data;
}
switch ($type) {
case 'css':
// Remove comments.
$data = preg_replace('@/\*.*?\*/@s', '', $data);
// Remove whitespace around symbols.
$data = preg_replace('@\s*([{}:;,])\s*@', '\1', $data);
// Remove unnecessary semicolons.
$data = preg_replace('@;}@', '}', $data);
// Replace #rrggbb with #rgb when possible.
$data = preg_replace(
'@#([a-f0-9])\1([a-f0-9])\2([a-f0-9])\3@i',
'#\1\2\3',
$data);
$data = trim($data);
break;
case 'js':
// If `jsxmin` is available, use it. jsxmin is the Javelin minifier and
// produces the smallest output, but is complicated to build.
if (Filesystem::binaryExists('jsxmin')) {
$future = new ExecFuture('jsxmin __DEV__:0');
$future->write($data);
list($err, $result) = $future->resolve();
if (!$err) {
$data = $result;
break;
}
}
// If `jsxmin` is not available, use `JsShrink`, which doesn't compress
// quite as well but is always available.
$root = dirname(phutil_get_library_root('phabricator'));
require_once $root.'/externals/JsShrink/jsShrink.php';
$data = jsShrink($data);
break;
}
return $data;
}
public static function getResourceType($path) {
return last(explode('.', $path));
}
public function translateResourceURI(array $matches) {
$uri = trim($matches[1], "'\" \r\t\n");
$alternatives = array_unique(
array(
$uri,
ltrim($uri, '/'),
));
foreach ($alternatives as $alternative) {
if ($this->rawURIMap !== null) {
if (isset($this->rawURIMap[$alternative])) {
$uri = $this->rawURIMap[$alternative];
break;
}
}
if ($this->celerityMap) {
$resource_uri = $this->celerityMap->getURIForName($alternative);
if ($resource_uri) {
- $uri = $resource_uri;
+ // Check if we can use a data URI for this resource. If not, just
+ // use a normal Celerity URI.
+ $data_uri = $this->generateDataURI($alternative);
+ if ($data_uri) {
+ $uri = $data_uri;
+ } else {
+ $uri = $resource_uri;
+ }
break;
}
}
}
return 'url('.$uri.')';
}
private function replaceCSSVariables($path, $data) {
$this->currentPath = $path;
return preg_replace_callback(
'/{\$([^}]+)}/',
array($this, 'replaceCSSVariable'),
$data);
}
private function replaceCSSPrintRules($path, $data) {
$this->currentPath = $path;
return preg_replace_callback(
'/!print\s+(.+?{.+?})/s',
array($this, 'replaceCSSPrintRule'),
$data);
}
public static function getCSSVariableMap() {
return array(
// Base Colors
'red' => '#c0392b',
'lightred' => '#f4dddb',
'orange' => '#e67e22',
'lightorange' => '#f7e2d4',
'yellow' => '#f1c40f',
'lightyellow' => '#fdf5d4',
'green' => '#139543',
'lightgreen' => '#d7eddf',
'blue' => '#2980b9',
'lightblue' => '#daeaf3',
'sky' => '#3498db',
'lightsky' => '#ddeef9',
'indigo' => '#c6539d',
'lightindigo' => '#f5e2ef',
'violet' => '#8e44ad',
'lightviolet' => '#ecdff1',
'charcoal' => '#4b4d51',
'backdrop' => '#c4cde0',
// Base Greys
'lightgreyborder' => '#C7CCD9',
'greyborder' => '#A1A6B0',
'darkgreyborder' => '#676A70',
'lightgreytext' => '#92969D',
'greytext' => '#74777D',
'darkgreytext' => '#4B4D51',
'lightgreybackground' => '#F7F7F7',
'greybackground' => '#EBECEE',
'darkgreybackground' => '#DFE0E2',
// Base Blues
'thinblueborder' => '#DDE8EF',
'lightblueborder' => '#BFCFDA',
'blueborder' => '#8C98B8',
'darkblueborder' => '#626E82',
'lightbluebackground' => '#F8F9FC',
'bluebackground' => '#DAE7FF',
'lightbluetext' => '#8C98B8',
'bluetext' => '#6B748C',
'darkbluetext' => '#464C5C',
);
}
public function replaceCSSVariable($matches) {
static $map;
if (!$map) {
$map = self::getCSSVariableMap();
}
$var_name = $matches[1];
if (empty($map[$var_name])) {
$path = $this->currentPath;
throw new Exception(
"CSS file '{$path}' has unknown variable '{$var_name}'.");
}
return $map[$var_name];
}
public function replaceCSSPrintRule($matches) {
$rule = $matches[1];
$rules = array();
$rules[] = '.printable '.$rule;
$rules[] = "@media print {\n ".str_replace("\n", "\n ", $rule)."\n}\n";
return implode("\n\n", $rules);
}
+
+
+ /**
+ * Attempt to generate a data URI for a resource. We'll generate a data URI
+ * if the resource is a valid resource of an appropriate type, and is
+ * small enough. Otherwise, this method will return `null` and we'll end up
+ * using a normal URI instead.
+ *
+ * @param string Resource name to attempt to generate a data URI for.
+ * @return string|null Data URI, or null if we declined to generate one.
+ */
+ private function generateDataURI($resource_name) {
+
+ $ext = last(explode('.', $resource_name));
+ switch ($ext) {
+ case 'png':
+ $type = 'image/png';
+ break;
+ case 'gif':
+ $type = 'image/gif';
+ break;
+ case 'jpg':
+ $type = 'image/jpeg';
+ break;
+ default:
+ return null;
+ }
+
+ // In IE8, 32KB is the maximum supported URI length.
+ $maximum_data_size = (1024 * 32);
+
+ $data = $this->celerityMap->getResourceDataForName($resource_name);
+ if (strlen($data) >= $maximum_data_size) {
+ // If the data is already too large on its own, just bail before
+ // encoding it.
+ return null;
+ }
+
+ $uri = 'data:'.$type.';base64,'.base64_encode($data);
+ if (strlen($uri) >= $maximum_data_size) {
+ return null;
+ }
+
+ return $uri;
+ }
+
+
}
File Metadata
Details
Attached
Mime Type
text/x-diff
Expires
Sun, Jan 19, 17:28 (1 w, 5 d ago)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
1126966
Default Alt Text
(8 KB)
Attached To
Mode
rP Phorge
Attached
Detach File
Event Timeline
Log In to Comment