mirror of
https://we.phorge.it/source/phorge.git
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120 lines
3.1 KiB
PHP
120 lines
3.1 KiB
PHP
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<?php
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/*
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* Copyright 2012 Facebook, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @group celerity
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*/
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final class CelerityResourceTransformer {
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private $minify;
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private $rawResourceMap;
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private $celerityMap;
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public function setMinify($minify) {
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$this->minify = $minify;
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return $this;
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}
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public function setRawResourceMap(array $raw_resource_map) {
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$this->rawResourceMap = $raw_resource_map;
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return $this;
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}
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public function setCelerityMap(CelerityResourceMap $celerity_map) {
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$this->celerityMap = $celerity_map;
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return $this;
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}
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public function transformResource($path, $data) {
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$type = self::getResourceType($path);
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switch ($type) {
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case 'css':
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$data = preg_replace_callback(
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'@url\s*\((\s*[\'"]?/rsrc/.*?)\)@s',
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array($this, 'translateResourceURI'),
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$data);
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break;
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}
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if (!$this->minify) {
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return $data;
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}
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// Some resources won't survive minification (like Raphael.js), and are
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// marked so as not to be minified.
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if (strpos($data, '@'.'do-not-minify') !== false) {
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return $data;
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}
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switch ($type) {
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case 'css':
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// Remove comments.
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$data = preg_replace('@/\*.*?\*/@s', '', $data);
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// Remove whitespace around symbols.
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$data = preg_replace('@\s*([{}:;,])\s*@', '\1', $data);
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// Remove unnecessary semicolons.
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$data = preg_replace('@;}@', '}', $data);
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// Replace #rrggbb with #rgb when possible.
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$data = preg_replace(
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'@#([a-f0-9])\1([a-f0-9])\2([a-f0-9])\3@i',
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'#\1\2\3',
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$data);
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$data = trim($data);
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break;
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case 'js':
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$root = dirname(phutil_get_library_root('phabricator'));
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$bin = $root.'/externals/javelin/support/jsxmin/jsxmin';
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if (@file_exists($bin)) {
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$future = new ExecFuture("{$bin} __DEV__:0");
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$future->write($data);
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list($err, $result) = $future->resolve();
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if (!$err) {
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$data = $result;
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}
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}
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break;
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}
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return $data;
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}
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public static function getResourceType($path) {
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return last(explode('.', $path));
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}
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public function translateResourceURI(array $matches) {
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$uri = trim($matches[1], "'\" \r\t\n");
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if ($this->rawResourceMap) {
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if (isset($this->rawResourceMap[$uri]['uri'])) {
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$uri = $this->rawResourceMap[$uri]['uri'];
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}
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} else if ($this->celerityMap) {
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$info = $this->celerityMap->lookupFileInformation($uri);
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if ($info) {
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$uri = $info['uri'];
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}
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}
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return 'url('.$uri.')';
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}
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}
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