548 lines
16 KiB
PHP
Executable File
548 lines
16 KiB
PHP
Executable File
<?php
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namespace Rails\Assets;
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use Rails;
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use Rails\Assets\Exception as AException;
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use Rails\Assets\Server;
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use Rails\Assets\File;
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class Assets
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{
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const BASE_CACHE_KEY = 'RAILS_ASSETS_';
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// static protected $parsers = [];
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static protected $instance;
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/**
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* Name of the YAML file that will store information
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* about compiled files.
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*/
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public $manifestFileName = 'manifest';
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/**
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* Path where the manifest file will stored.
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* No trailing slash.
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* Defaults to compile path.
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*/
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public $manifestFilePath;
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protected $prefix;
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protected $paths = [];
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protected $server;
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protected $console;
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/**
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* File patterns to search and compile files other than .css and .js.
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*/
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protected $filePatterns = [];
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static public function instance()
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{
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if (!self::$instance) {
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self::$instance = new static();
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}
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return self::$instance;
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}
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// static public function addParsers(array $parsers)
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// {
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// self::$parsers = array_merge(self::$parsers, $parsers);
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// }
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// static public function setParsers(array $parsers)
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// {
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// self::$parsers = $parsers;
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// }
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// static public function getParsers()
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// {
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// return self::$parsers;
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// }
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public function console($message)
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{
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if ($this->console) {
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$this->console->write($message);
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}
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}
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public function setConsole(Rails\Console\Console $console)
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{
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$this->console = $console;
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}
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public function addPaths($paths)
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{
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if (!is_array($paths)) {
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$paths = [$paths];
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}
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$this->paths = array_merge($this->paths, $paths);
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}
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/**
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* URL for non-static assets.
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*/
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public function getFileUrl($filename)
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{
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if ($file = $this->findFile($filename)) {
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return $file->url();
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}
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return false;
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}
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/**
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* Returns not only the URL for the file, but also the URLs
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* of the files it requires (if it's a manifest file).
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*/
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public function getFileUrls($filename)
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{
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if ($file = $this->findFile($filename)) {
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$parser = new Rails\Assets\Parser\Base($file);
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$parser->parse(Rails\Assets\Parser\Base::PARSE_TYPE_GET_PATHS);
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$urls = [];
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foreach ($parser->urlPaths() as $url) {
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$urls[] = $url . '?body=1';
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}
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return $urls;
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}
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return false;
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}
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public function findFile($filename)
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{
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$pinfo = pathinfo($filename);
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$extension = $pinfo['extension'];
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$dir = $pinfo['dirname'] == '.' ? '' : $pinfo['dirname'] . '/';
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$file_relative_path_root = $dir . $pinfo['filename'];
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$found = false;
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$pattern = $file_relative_path_root . '.' . $extension . '*';
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foreach ($this->paths as $assets_root) {
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$filePatt = $assets_root . '/' . $pattern;
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$files = glob($filePatt);
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if ($files) {
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$file = new File($extension, $files[0]);
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$found = true;
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break;
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}
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}
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if ($found) {
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return $file;
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} else {
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return false;
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}
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}
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public function findCompiledFile($file)
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{
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if (!$this->config()->digest) {
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return $this->base_path() . ltrim($this->prefix()) . '/' . $file;
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} else {
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$index = $this->getManifestIndex();
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if (isset($index[$file])) {
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return $this->base_path() . ltrim($this->prefix()) . '/' . $index[$file];
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}
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}
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return false;
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}
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/**
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* Finds all files named $filename within all assets
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* dirs and subdirs.
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*/
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public function findAllFiles($filename)
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{
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$pinfo = pathinfo($filename);
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$extension = $pinfo['extension'];
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$dir = $pinfo['dirname'] == '.' ? '' : $pinfo['dirname'] . '/';
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$file_relative_path_root = $dir . $pinfo['filename'];
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$foundFiles = [];
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$pattern = $file_relative_path_root . '.' . $extension . '*';
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foreach ($this->paths as $assetsRoot) {
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$foundFiles = array_merge($foundFiles, Rails\Toolbox\FileTools::searchFile($assetsRoot, $pattern));
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}
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return $foundFiles;
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}
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/**
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* Deletes all compiled files and compiles them again.
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*/
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public function compileAll()
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{
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$this->emptyCompileDir();
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$this->compileOtherFiles();
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$manifestNames = $this->config()->precompile;
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foreach ($manifestNames as $manifest) {
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$ext = pathinfo($manifest, PATHINFO_EXTENSION);
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$paths = $this->findAllFiles($manifest);
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foreach ($paths as $path) {
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$this->compileFile(new File($ext, $path));
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}
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}
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}
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public function addFilePatterns($exts)
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{
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$this->filePatterns = array_merge($this->filePatterns, (array)$exts);
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}
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protected function compileOtherFiles()
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{
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$exts = $this->filePatterns;
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$pattern = '{' . implode(',', $exts) .'}';
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$foundFiles = [];
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foreach ($this->paths as $assetsRoot) {
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$foundFiles = array_merge($foundFiles, Rails\Toolbox\FileTools::searchFile($assetsRoot, $pattern, GLOB_BRACE));
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}
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$files = [];
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$assetsPath = $this->compilePath() . $this->prefix();
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foreach ($foundFiles as $foundFile) {
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$file = new File($foundFile);
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$contents = file_get_contents($foundFile);
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$this->createCompiledFile($assetsPath . '/' . $file->relative_path(), $contents, false);
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if ($this->config()->digest) {
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$md5 = md5_file($foundFile);
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$relativeDir = $file->relative_dir();
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if ($relativeDir) {
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$relativeDir .= '/';
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}
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$relativePath = $relativeDir . $file->file_root();
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$basePath = $this->compilePath() . $this->prefix();
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$fileroot = $basePath . '/' . $relativeDir . $file->file_root();
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# Delete previous md5 files
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$pattern = $fileroot . '-*.' . $ext . '*';
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if ($mfiles = glob($pattern)) {
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$regexp = '/-' . $md5 . '\.' . $ext . '(\.gz)?$/';
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foreach ($mfiles as $mfile) {
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if (!preg_match($regexp, $mfile)) {
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unlink($mfile);
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}
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}
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}
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$this->updateManifestIndex($relativePath . '.' . $ext, $relativePath . '-' . $md5 . '.' . $ext);
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$md5File = $file->relative_file_root_path() . '-' . $md5 . '.' . $file->type();
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$this->createCompiledFile($assetsPath . '/' . $md5File, $contents, false);
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}
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}
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}
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/**
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* Deletes everything inside the compile folder.
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*/
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public function emptyCompileDir()
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{
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$this->console("Deleting compiled assets");
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$dir = $this->compilePath() . $this->prefix();
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if (is_dir($dir)) {
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Rails\Toolbox\FileTools::emptyDir($dir);
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}
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}
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/**
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* Accepts:
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* string - a filename (e.g. application.css), or
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* File object
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*
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* Compiles, minifies and gz-compresses files. Also updates the
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* manifest index file.
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* Note that files with same name will be deleted.
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*/
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public function compileFile($filename)
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{
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if (!$this->compilePath()) {
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throw new Exception\RuntimeException(
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"Missing asset configuration 'compile_path'"
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);
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} elseif (!$this->manifestFileName) {
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throw new Exception\RuntimeException(
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sprintf("Property %s::\$manifestFileName must not be empty", __CLASS__)
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);
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}
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if (is_string($filename)) {
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$file = $this->findFile($filename);
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if (!$file) {
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throw new Exception\RuntimeException(
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sprintf("Asset file not found: %s", $filename)
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);
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}
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} elseif ($filename instanceof File) {
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$file = $filename;
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} else {
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throw new Exception\InvalidArgumentException(
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sprintf(
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"Argument must be string or Rails\Assets\File, %s passed",
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gettype($filename)
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)
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);
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}
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$this->console("Compiling file " . $file->full_path());
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$basePath = $this->compilePath() . $this->prefix();
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$ext = $file->type();
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$relativeDir = $file->relative_dir();
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if ($relativeDir) {
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$relativeDir .= '/';
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}
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$fileroot = $basePath . '/' . $relativeDir . $file->file_root();
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$compiledFileDir = dirname($fileroot);
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if (!is_dir($compiledFileDir)) {
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try {
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mkdir($compiledFileDir, 0755, true);
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} catch (\Exception $e) {
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throw new Exception\RuntimeException(
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sprintf("Couldn't create dir %s: %s", $compiledFileDir, $e->getMessage())
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);
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}
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}
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set_time_limit(360);
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$parser = new Parser\Base($file);
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$parser->parse(Parser\Base::PARSE_TYPE_FULL);
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$fileContents = $parser->parsed_file();
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if ($this->config()->compress) {
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$fileContents = $this->compressFile($fileContents, $ext);
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}
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$compileFiles = [ $fileroot . '.' . $ext ];
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if ($this->config()->digest) {
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$md5 = md5($fileContents);
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$compileFiles[] = $fileroot . '-' . $md5 . '.' . $ext;
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}
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foreach ($compileFiles as $compileFile) {
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$this->createCompiledFile($compileFile, $fileContents);
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}
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$relativePath = $relativeDir . $file->file_root();
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if ($this->config()->digest) {
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# Delete previous md5 files
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$pattern = $fileroot . '-*.' . $ext . '*';
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if ($mfiles = glob($pattern)) {
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$regexp = '/-' . $md5 . '\.' . $ext . '(\.gz)?$/';
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foreach ($mfiles as $mfile) {
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if (!preg_match($regexp, $mfile)) {
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unlink($mfile);
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}
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}
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}
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$this->updateManifestIndex($relativePath . '.' . $ext, $relativePath . '-' . $md5 . '.' . $ext);
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}
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return true;
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}
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protected function createCompiledFile($compiledFilename, $fileContents, $compress = null)
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{
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$dir = dirname($compiledFilename);
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if (!is_dir($dir)) {
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mkdir($dir, 0777, true);
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}
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if (file_put_contents($compiledFilename, $fileContents)) {
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$this->console("Created " . $compiledFilename);
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} else {
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throw new Exception\RuntimeException(
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sprintf("Couldn't write file %s", $compiledFilename)
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);
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}
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if (null === $compress) {
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$compress = $this->config()->gz_compression;
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}
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# Compress files.
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if ($compress) {
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$gzFile = $compiledFilename . '.gz';
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$gzdata = gzencode($fileContents, $this->config()->gz_compression_level);
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if (file_put_contents($gzFile, $gzdata)) {
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$this->console("Created " . $gzFile);
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} else {
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throw new Exception\RuntimeException(
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sprintf("Couldn't write file %s", $compiledFilename)
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);
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}
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}
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}
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/**
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* Path where the folder named after $prefix will
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* be created to store compiled assets.
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*/
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public function compilePath()
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{
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return $this->config()->compile_path;
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}
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/**
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* Gets the contents of the manifest index file.
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*
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* @return array
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*/
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public function getManifestIndex()
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{
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$file = $this->manifestIndexFile();
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if (is_file($file)) {
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$index = Rails\Yaml\Parser::readFile($file);
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# Force array.
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if (!is_array($index)) {
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$index = [];
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}
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} else {
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$index = [];
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}
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return $index;
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}
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/**
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* Path to the manifest file.
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*
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* @return string
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*/
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public function manifestIndexFile()
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{
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$basePath = $this->manifestFilePath ?: $this->config()->compile_path . $this->prefix();
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$indexFile = $basePath . '/' . $this->manifestFileName . '.yml';
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return $indexFile;
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}
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/**
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* @param string $file
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* @param string $md5File
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*/
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protected function updateManifestIndex($file, $md5File)
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{
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$index = $this->getManifestIndex();
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$index[$file] = $md5File;
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Rails\Yaml\Parser::writeFile($this->manifestIndexFile(), $index);
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}
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public function prefix()
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{
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if (!$this->prefix) {
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$this->prefix = str_replace('\\', '/', Rails::application()->config()->assets->prefix);
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}
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return $this->prefix;
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}
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public function public_path()
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{
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return Rails::publicPath() . $this->prefix();
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}
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public function trim_paths(array $files)
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{
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$trimd = [];
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foreach ($files as $file) {
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foreach ($this->paths as $path) {
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if (is_int(strpos($file, $path))) {
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$trimd[] = str_replace($path, '', $file);
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continue 2;
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}
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}
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$trimd[] = $file;
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}
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return $trimd;
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}
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public function compressFile($contents, $ext)
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{
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$key = $ext . '_compressor';
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$conf = $this->config()->$key;
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if (!$conf) {
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throw new Exception\RuntimeException(
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"No compressor defined for extension $ext"
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);
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}
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if ($conf instanceof Closure) {
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$compressed = $conf($contents);
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} else {
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$class = $conf['class_name'];
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$method = $conf['method'];
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$static = isset($conf['static']) && $conf['static'];
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if (!empty($conf['file'])) {
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require_once $conf['file'];
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}
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if ($static) {
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$compressed = $class::$method($contents);
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} else {
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$compressor = new $class();
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$compressed = $compressor->$method($contents);
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}
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}
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return $compressed;
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}
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public function config()
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{
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return Rails::application()->config()->assets;
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}
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public function cache_read($key)
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{
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return Rails::cache()->read($key, ['path' => 'rails']);
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}
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public function cache_write($key, $contents)
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{
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return Rails::cache()->write($key, $contents, ['path' => 'rails']);
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}
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public function base_path()
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{
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return Rails::application()->router()->basePath();
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}
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public function paths()
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{
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return $this->paths;
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}
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public function server()
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{
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if (!$this->server) {
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$this->server = new Server;
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}
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return $this->server;
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}
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} |