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phab/scripts/celerity_mapper.php
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celerity_mapper.php
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#!/usr/bin/env php
<?php
$package_spec = array(
'core.pkg.css' => array(
'phabricator-core-css',
'phabricator-core-buttons-css',
'phabricator-standard-page-view',
'aphront-dialog-view-css',
'aphront-form-view-css',
'aphront-panel-view-css',
'aphront-side-nav-view-css',
'aphront-table-view-css',
'aphront-tokenizer-control-css',
'aphront-typeahead-control-css',
'phabricator-directory-css',
),
'differential.pkg.css' => array(
'differential-core-view-css',
'differential-changeset-view-css',
'differential-revision-detail-css',
'differential-revision-history-css',
'differential-table-of-contents-css',
),
);
require_once dirname(__FILE__).'/__init_script__.php';
if ($argc != 2) {
$self = basename($argv[0]);
echo "usage: {$self} <webroot>\n";
exit(1);
}
phutil_require_module('phutil', 'filesystem');
phutil_require_module('phutil', 'filesystem/filefinder');
phutil_require_module('phutil', 'future/exec');
phutil_require_module('phutil', 'parser/docblock');
$root = Filesystem::resolvePath($argv[1]);
echo "Finding static resources...\n";
$files = id(new FileFinder($root))
->withType('f')
->withSuffix('js')
->withSuffix('css')
->setGenerateChecksums(true)
->find();
echo "Processing ".count($files)." files";
$file_map = array();
foreach ($files as $path => $hash) {
echo ".";
$name = '/'.Filesystem::readablePath($path, $root);
$file_map[$name] = array(
'hash' => $hash,
'disk' => $path,
);
}
echo "\n";
$runtime_map = array();
$hash_map = array();
$parser = new PhutilDocblockParser();
foreach ($file_map as $path => $info) {
$data = Filesystem::readFile($info['disk']);
$matches = array();
$ok = preg_match('@/[*][*].*?[*]/@s', $data, $matches);
if (!$ok) {
throw new Exception(
"File {$path} does not have a header doc comment. Encode dependency ".
"data in a header docblock.");
}
list($description, $metadata) = $parser->parse($matches[0]);
$provides = preg_split('/\s+/', trim(idx($metadata, 'provides')));
$requires = preg_split('/\s+/', trim(idx($metadata, 'requires')));
$provides = array_filter($provides);
$requires = array_filter($requires);
if (count($provides) !== 1) {
throw new Exception(
"File {$path} must @provide exactly one Celerity target.");
}
$provides = reset($provides);
$type = 'js';
if (preg_match('/\.css$/', $path)) {
$type = 'css';
}
$uri = '/res/'.substr($info['hash'], 0, 8).$path;
$hash_map[$provides] = $info['hash'];
$runtime_map[$provides] = array(
'uri' => $uri,
'type' => $type,
'requires' => $requires,
'disk' => $path,
);
}
$package_map = array();
foreach ($package_spec as $name => $package) {
$hashes = array();
$type = null;
foreach ($package as $symbol) {
if (empty($hash_map[$symbol])) {
throw new Exception(
"Package specification for '{$name}' includes '{$symbol}', but that ".
"symbol is not defined anywhere.");
}
if ($type === null) {
$type = $runtime_map[$symbol]['type'];
} else {
$ntype = $runtime_map[$symbol]['type'];
if ($type !== $ntype) {
throw new Exception(
"Package specification for '{$name}' mixes resources of type ".
"'{$type}' with resources of type '{$ntype}'. Each package may only ".
"contain one type of resource.");
}
}
$hashes[] = $symbol.':'.$hash_map[$symbol];
}
$key = substr(md5(implode("\n", $hashes)), 0, 8);
$package_map['packages'][$key] = array(
'name' => $name,
'symbols' => $package,
'uri' => '/res/pkg/'.$key.'/'.$name,
'type' => $type,
);
foreach ($package as $symbol) {
$package_map['reverse'][$symbol] = $key;
}
}
$runtime_map = var_export($runtime_map, true);
$runtime_map = preg_replace('/\s+$/m', '', $runtime_map);
$runtime_map = preg_replace('/array \(/', 'array(', $runtime_map);
$package_map = var_export($package_map, true);
$pacakge_map = preg_replace('/\s+$/m', '', $package_map);
$package_map = preg_replace('/array \(/', 'array(', $package_map);
$resource_map = <<<EOFILE
<?php
/**
* This file is automatically generated. Use 'celerity_mapper.php' to rebuild
* it.
* @generated
*/
celerity_register_resource_map({$runtime_map}, {$pacakge_map});
EOFILE;
echo "Writing map...\n";
Filesystem::writeFile(
$root.'/../src/__celerity_resource_map__.php',
$resource_map);
echo "Done.\n";
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