mirror of
https://we.phorge.it/source/phorge.git
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132 lines
3.5 KiB
PHP
132 lines
3.5 KiB
PHP
<?php
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/*
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* Copyright 2011 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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final class CelerityResourceMap {
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private static $instance;
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private $resourceMap;
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private $packageMap;
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private $reverseMap;
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public static function getInstance() {
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if (empty(self::$instance)) {
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self::$instance = new CelerityResourceMap();
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$root = phutil_get_library_root('phabricator');
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$ok = include_once $root.'/__celerity_resource_map__.php';
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if (!$ok) {
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throw new Exception("Failed to load Celerity resource map!");
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}
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}
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return self::$instance;
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}
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public function setResourceMap($resource_map) {
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$this->resourceMap = $resource_map;
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return $this;
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}
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public function resolveResources(array $symbols) {
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$map = array();
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foreach ($symbols as $symbol) {
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if (!empty($map[$symbol])) {
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continue;
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}
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$this->resolveResource($map, $symbol);
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}
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return $map;
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}
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private function resolveResource(array &$map, $symbol) {
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if (empty($this->resourceMap[$symbol])) {
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throw new Exception(
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"Attempting to resolve unknown resource, '{$symbol}'.");
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}
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$info = $this->resourceMap[$symbol];
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foreach ($info['requires'] as $requires) {
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if (!empty($map[$requires])) {
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continue;
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}
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$this->resolveResource($map, $requires);
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}
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$map[$symbol] = $info;
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}
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public function setPackageMap($package_map) {
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$this->packageMap = $package_map;
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}
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public function packageResources(array $resolved_map) {
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$packaged = array();
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$handled = array();
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foreach ($resolved_map as $symbol => $info) {
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if (isset($handled[$symbol])) {
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continue;
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}
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if (empty($this->packageMap['reverse'][$symbol])) {
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$packaged[$symbol] = $info;
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} else {
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$package = $this->packageMap['reverse'][$symbol];
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$package_info = $this->packageMap['packages'][$package];
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$packaged[$package_info['name']] = $package_info;
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foreach ($package_info['symbols'] as $symbol) {
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$handled[$symbol] = true;
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}
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}
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}
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return $packaged;
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}
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public function resolvePackage($package_hash) {
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$package = idx($this->packageMap['packages'], $package_hash);
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if (!$package) {
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return null;
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}
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$paths = array();
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foreach ($package['symbols'] as $symbol) {
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$paths[] = $this->resourceMap[$symbol]['disk'];
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}
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return $paths;
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}
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public function lookupSymbolInformation($symbol) {
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return idx($this->resourceMap, $symbol);
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}
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public function lookupFileInformation($path) {
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if (empty($this->reverseMap)) {
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$this->reverseMap = array();
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foreach ($this->resourceMap as $symbol => $data) {
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$data['provides'] = $symbol;
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$this->reverseMap[$data['disk']] = $data;
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}
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}
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return idx($this->reverseMap, $path);
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}
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}
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function celerity_register_resource_map(array $map, array $package_map) {
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$instance = CelerityResourceMap::getInstance();
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$instance->setResourceMap($map);
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$instance->setPackageMap($package_map);
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}
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