mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-10-22 14:05:37 +02:00
b7ff50ac46
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/branches/2.4@99738 467b73ca-7a2a-4603-9d3b-597d59a354a9
600 lines
19 KiB
PHP
600 lines
19 KiB
PHP
<?php
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/**
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* Define a constant for the name of the manifest file
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*/
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if(!defined('MANIFEST_FILE')) define("MANIFEST_FILE", TEMP_FOLDER . "/manifest-" . str_replace('.php','',basename($_SERVER['SCRIPT_FILENAME'])));
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/**
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* The ManifestBuilder class generates the manifest file and keeps it fresh.
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*
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* The manifest file is a PHP include that contains global variables that
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* represent the collected contents of the application:
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* - all classes ({@link __autoload()})
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* - all templates ({@link SSViewer})
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* - all _config.php files
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*
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* Traversing the filesystem to collect this information on everypage.
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* This information is cached so that it need not be regenerated on every
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* pageview.
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*
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* @see main.php, __autoload(), SSViewer, Requirements::themedCSS()
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* @package sapphire
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* @subpackage core
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*/
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class ManifestBuilder {
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static $restrict_to_modules = array();
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static $extendsArray = array();
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static $classArray = array();
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static $implementsArray = array();
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/**
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* @var array $ignore_files Full filenames (without directory-path) which
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* should be ignored by the manifest.
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*/
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public static $ignore_files = array(
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'main.php',
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'cli-script.php',
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'install.php',
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'index.php',
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'rewritetest.php',
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);
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/**
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* @var array $ignore_folders Foldernames (without path) which
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* should be ignored by the manifest.
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*/
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public static $ignore_folders = array(
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'mysql',
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'assets',
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'shortstat',
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'HTML',
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);
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/**
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* Include the manifest, regenerating it if necessary
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*/
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static function include_manifest() {
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if(isset($_REQUEST['usetestmanifest'])) {
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self::load_test_manifest();
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} else {
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// The dev/build reference is some coupling but it solves an annoying bug
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if(!file_exists(MANIFEST_FILE) || (filemtime(MANIFEST_FILE) < filemtime(BASE_PATH))
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|| isset($_GET['flush']) || (isset($_REQUEST['url']) && ($_REQUEST['url'] == 'dev/build'
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|| $_REQUEST['url'] == BASE_URL . '/dev/build'))) {
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self::create_manifest_file();
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}
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require_once(MANIFEST_FILE);
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}
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}
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/**
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* Load a copy of the manifest with tests/ folders included.
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* Only loads the ClassInfo and __autoload() globals; this assumes that _config.php files are already included.
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*/
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static function load_test_manifest() {
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$testManifestFile = MANIFEST_FILE . '-test';
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// The dev/build reference is some coupling but it solves an annoying bug
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if(!file_exists($testManifestFile)
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|| (filemtime($testManifestFile) < filemtime(BASE_PATH))
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|| isset($_GET['flush'])) {
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// Build the manifest, including the tests/ folders
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$manifestInfo = self::get_manifest_info(BASE_PATH);
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$manifest = self::generate_php_file($manifestInfo);
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if($fh = fopen($testManifestFile, "w")) {
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fwrite($fh, $manifest);
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fclose($fh);
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} else {
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user_error("Cannot write manifest file! Check permissions of " . MANIFEST_FILE, E_USER_ERROR);
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}
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}
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require($testManifestFile);
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}
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/**
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* Loads all PHP class files - actually opening them and executing them.
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*/
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static function load_all_classes() {
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global $_CLASS_MANIFEST;
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foreach($_CLASS_MANIFEST as $classFile) require_once($classFile);
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}
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/**
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* Generates a new manifest file and saves it to {@link MANIFEST_FILE}.
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*/
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static function create_manifest_file() {
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// Build the manifest, ignoring the tests/ folders
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$manifestInfo = self::get_manifest_info(BASE_PATH, array("tests"));
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$manifest = self::generate_php_file($manifestInfo);
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if($fh = fopen(MANIFEST_FILE, "w")) {
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fwrite($fh, $manifest);
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fclose($fh);
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} else {
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user_error("Cannot write manifest file! Check permissions of " . MANIFEST_FILE, E_USER_ERROR);
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}
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}
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/**
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* Turn an array produced by get_manifest_info() into the content of the manifest PHP include
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*/
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static function generate_php_file($manifestInfo) {
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$output = "<?php\n";
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foreach($manifestInfo['globals'] as $globalName => $globalVal) {
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$output .= "global \$$globalName;\n\$$globalName = " . var_export($globalVal, true) . ";\n\n";
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}
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foreach($manifestInfo['require_once'] as $requireItem) {
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$output .= 'require_once("' . addslashes($requireItem) . "\");\n";
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}
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return $output;
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}
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/**
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* Parse the $manifestInfo array, updating the appropriate globals and loading the appropriate _config files.
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*/
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static function process_manifest($manifestInfo) {
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foreach($manifestInfo['globals'] as $globalName => $globalVal) {
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global $$globalName;
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$$globalName = $globalVal;
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}
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foreach($manifestInfo['require_once'] as $requireItem) {
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require_once("$requireItem");
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}
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}
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/**
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* Get themes from a particular directory.
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*
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* @param string $baseDir Optional: Absolute path to theme directory for testing e.g. "/Users/sharvey/Sites/test24/themes"
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* @param boolean $includeSubThemes If set to TRUE, sub-themes such as "blackcandy_blog" are included too
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* @return array Listing of theme directories
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*/
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public static function get_themes($baseDir = null, $includeSubThemes = false) {
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// If no base directory specified, the default is the project root
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if(!$baseDir) $baseDir = BASE_PATH . DIRECTORY_SEPARATOR . THEMES_DIR;
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$themes = array();
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if(!file_exists($baseDir)) return $themes;
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$handle = opendir($baseDir);
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if($handle) {
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while(false !== ($file = readdir($handle))) {
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$fullPath = $baseDir . DIRECTORY_SEPARATOR . $file;
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if(strpos($file, '.') === false && is_dir($fullPath)) {
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$include = $includeSubThemes ? true : false;
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if(strpos($file, '_') === false) {
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$include = true;
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}
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if($include) $themes[$file] = $file;
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}
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}
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closedir($handle);
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}
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return $themes;
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}
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/**
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* Return an array containing information for the manifest
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* @param $baseDir The root directory to analyse
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* @param $excludedFolders An array folder names to exclude. These don't care about where the
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* folder appears in the hierarchy, so be careful
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*/
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static function get_manifest_info($baseDir, $excludedFolders = array()) {
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// locate and include the exclude files
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$topLevel = scandir($baseDir);
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foreach($topLevel as $file) {
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if($file[0] == '.') continue
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$fullPath = '';
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$fullPath = $baseDir . '/' . $file;
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if(@is_dir($fullPath . '/') && file_exists($fullPath . '/_exclude.php')) {
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require_once($fullPath . '/_exclude.php');
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}
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}
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// Project - used to give precedence to template files
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$project = null;
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// Class, CSS, template manifest
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$allPhpFiles = array();
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$templateManifest = array();
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$cssManifest = array();
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if(is_array(self::$restrict_to_modules) && count(self::$restrict_to_modules)) {
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// $restrict_to_modules is set, so we include only those specified
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// modules
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foreach(self::$restrict_to_modules as $module)
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ManifestBuilder::get_all_php_files($baseDir . '/' . $module, $excludedFolders, $allPhpFiles);
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} else {
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// Include all directories which have an _config.php file but don't
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// have an _manifest_exclude file
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$topLevel = scandir($baseDir);
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foreach($topLevel as $filename) {
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if($filename[0] == '.') continue;
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if($filename == 'themes') continue;
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if($filename == 'assets') continue;
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if(in_array($filename, $excludedFolders)) continue;
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if(@is_dir("$baseDir/$filename") &&
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file_exists("$baseDir/$filename/_config.php") &&
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!file_exists("$baseDir/$filename/_manifest_exclude")) {
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// Get classes, templates, and CSS files
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ManifestBuilder::get_all_php_files("$baseDir/$filename", $excludedFolders, $allPhpFiles);
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ManifestBuilder::getTemplateManifest($baseDir, $filename, $excludedFolders, $templateManifest, $cssManifest);
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// List the _config.php files
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$manifestInfo["require_once"][] = "$baseDir/$filename/_config.php";
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// Find the $project variable in the relevant config file without having to execute the config file
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if(preg_match("/\\\$project\s*=\s*[^\n\r]+[\n\r]/", file_get_contents("$baseDir/$filename/_config.php"), $parts)) {
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eval($parts[0]);
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}
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}
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}
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}
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// Get themes
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if(file_exists("$baseDir/themes")) {
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$themeDirs = self::get_themes("$baseDir/themes", true);
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foreach($themeDirs as $themeDir) {
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$themeName = strtok($themeDir, '_');
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ManifestBuilder::getTemplateManifest($baseDir, "themes/$themeDir", $excludedFolders, $templateManifest, $cssManifest, $themeName);
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}
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}
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// Build class-info array from class manifest
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$allClasses = ManifestBuilder::allClasses($allPhpFiles);
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// Pull the class filenames out
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$classManifest = $allClasses['file'];
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unset($allClasses['file']);
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// Ensure that any custom templates get favoured
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if(!$project) user_error("\$project isn't set", E_USER_WARNING);
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else if(!file_exists("$baseDir/$project")) user_error("\$project is set to '$project' but no such folder exists.", E_USER_WARNING);
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else ManifestBuilder::getTemplateManifest($baseDir, $project, $excludedFolders, $templateManifest, $cssManifest);
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$manifestInfo["globals"]["_CLASS_MANIFEST"] = $classManifest;
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$manifestInfo["globals"]["_ALL_CLASSES"] = $allClasses;
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$manifestInfo["globals"]["_TEMPLATE_MANIFEST"] = $templateManifest;
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$manifestInfo["globals"]["_CSS_MANIFEST"] = $cssManifest;
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return $manifestInfo;
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}
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/**
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* Generates a list of all the PHP files that should be analysed by the manifest builder.
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*
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* @param string $folder The folder to traverse (recursively)
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* @param array $classMap The already built class map
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*/
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private static function get_all_php_files($folder, $excludedFolders, &$allPhpFiles) {
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$items = scandir($folder);
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if($items) foreach($items as $item) {
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// Skip some specific PHP files
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if(in_array($item, self::$ignore_files)) continue;
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// ignore hidden files and folders
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if(substr($item,0,1) == '.') continue;
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// ignore files without php-extension
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if(substr($item,-4) != '.php' && !@is_dir("$folder/$item")) continue;
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// ignore files and folders with underscore-prefix
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if(substr($item,0,1) == '_') continue;
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// ignore certain directories
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if(@is_dir("$folder/$item") && in_array($item, self::$ignore_folders)) continue;
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// ignore directories with _manifest_exlude file
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if(@is_dir("$folder/$item") && file_exists("$folder/$item/_manifest_exclude")) continue;
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// i18n: ignore language files (loaded on demand)
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if($item == 'lang' && @is_dir("$folder/$item") && ereg_replace("/[^/]+/\\.\\.","",$folder.'/..') == Director::baseFolder()) continue;
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if(@is_dir("$folder/$item")) {
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// Folder exclusion - used to skip over tests/ folders
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if(in_array($item, $excludedFolders)) continue;
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// recurse into directories (if not in $ignore_folders)
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ManifestBuilder::get_all_php_files("$folder/$item", $excludedFolders, $allPhpFiles);
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} else {
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$allPhpFiles[] = "$folder/$item";
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}
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}
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}
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/**
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* Generates the template manifest - a list of all the .SS files in the
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* application
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*/
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private static function getTemplateManifest($baseDir, $folder, $excludedFolders, &$templateManifest, &$cssManifest, $themeName = null) {
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$items = scandir("$baseDir/$folder");
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if($items) foreach($items as $item) {
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if(substr($item,0,1) == '.') continue;
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if(substr($item,-3) == '.ss') {
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$templateName = substr($item, 0, -3);
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$templateType = substr($folder,strrpos($folder,'/')+1);
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if($templateType == "templates") $templateType = "main";
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if($themeName) {
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$templateManifest[$templateName]['themes'][$themeName][$templateType] = "$baseDir/$folder/$item";
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} else {
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$templateManifest[$templateName][$templateType] = "$baseDir/$folder/$item";
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}
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} else if(substr($item,-4) == '.css') {
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$cssName = substr($item, 0, -4);
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// Debug::message($item);
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if($themeName) {
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$cssManifest[$cssName]['themes'][$themeName] = "$folder/$item";
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} else {
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$cssManifest[$cssName]['unthemed'] = "$folder/$item";
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}
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} else if(@is_dir("$baseDir/$folder/$item")) {
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// Folder exclusion - used to skip over tests/ folders
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if(in_array($item, $excludedFolders)) continue;
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ManifestBuilder::getTemplateManifest($baseDir, "$folder/$item", $excludedFolders, $templateManifest, $cssManifest, $themeName);
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}
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}
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}
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/**
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* Include everything, so that actually *all* classes are available and
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* build a map of classes and their subclasses
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*
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* @param $classManifest An array of all Sapphire classes; keys are class names and values are filenames
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*
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* @return array Returns an array that holds all class relevant
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* information.
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*/
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private static function allClasses($classManifest) {
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self::$classArray = array();
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self::$extendsArray = array();
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self::$implementsArray = array();
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// Include everything, so we actually have *all* classes
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foreach($classManifest as $file) {
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$b = basename($file);
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if($b != 'cli-script.php' && $b != 'main.php')
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self::parse_file($file);
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}
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$allClasses["parents"] = self::find_parents();
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$allClasses["children"] = self::find_children();
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$allClasses["implementors"] = self::$implementsArray;
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foreach(self::$classArray as $class => $info) {
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$allClasses['exists'][$class] = $class;
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$allClasses['file'][$class] = $info['file'];
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}
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// Build a map of classes and their subclasses
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$_classes = get_declared_classes();
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foreach($_classes as $class) {
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$allClasses['exists'][$class] = $class;
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foreach($_classes as $subclass) {
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if(is_subclass_of($class, $subclass)) $allClasses['parents'][$class][$subclass] = $subclass;
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if(is_subclass_of($subclass, $class)) $allClasses['children'][$class][$subclass] = $subclass;
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}
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}
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return $allClasses;
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}
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/**
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* Parses a php file and adds any class or interface information into self::$classArray
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*
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* @param string $filename
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*/
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private static function parse_file($filename) {
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$file = file_get_contents($filename);
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$implements = "";
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$extends = "";
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$class="";
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if($file === null) user_error("ManifestBuilder::parse_file(): Couldn't open $filename", E_USER_ERROR);
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if(!$file) return;
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// We cache the parse results of each file, since only a few files will have changed between flushings
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// And, although it's accurate, TokenisedRegularExpression isn't particularly fast.
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// We use an MD5 of the file as a part of the cache key because using datetime caused problems when users
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// were upgrading their sites
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$fileMD5 = md5($file);
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$parseCacheFile = TEMP_FOLDER . "/manifestClassParse-" . str_replace(array("/",":", "\\"),"_", realpath($filename)) . "-$fileMD5";
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if(!file_exists($parseCacheFile)) {
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$tokens = token_get_all($file);
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$classes = self::getClassDefParser()->findAll($tokens);
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$interfaces = self::getInterfaceDefParser()->findAll($tokens);
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$cacheContent = '<?php
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$classes = ' . var_export($classes,true) . ';
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$interfaces = ' . var_export($interfaces,true) . ';';
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if($fh = fopen($parseCacheFile,'w')) {
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fwrite($fh, $cacheContent);
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fclose($fh);
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}
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} else {
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include($parseCacheFile);
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}
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foreach($classes as $class) {
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$className = $class['className'];
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unset($class['className']);
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$class['file'] = $filename;
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if(!isset($class['extends'])) $class['extends'] = null;
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if($class['extends']) self::$extendsArray[$class['extends']][$className] = $className;
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if(isset($class['interfaces'])) foreach($class['interfaces'] as $interface) {
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self::$implementsArray[$interface][$className] = $className;
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}
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if(isset(self::$classArray[$className])) {
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$file1 = self::$classArray[$className]['file'];
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$file2 = $class[$className];
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user_error("There are two files both containing the same class: '$file1' and " .
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"'$file2'. This might mean that the wrong code is being used.", E_USER_WARNING);
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}
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self::$classArray[$className] = $class;
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}
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foreach($interfaces as $interface) {
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$className = $interface['interfaceName'];
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unset($interface['interfaceName']);
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$interface['file'] = $filename;
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if(!isset($interface['extends'])) $interface['extends'] = null;
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if(isset(self::$classArray[$className])) {
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$file1 = self::$classArray[$className]['file'];
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$file2 = $interface[$className];
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user_error("There are two files both containing the same class: '$file1' and " .
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"'$file2'. This might mean that the wrong code is being used.", E_USER_WARNING);
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}
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self::$classArray[$className] = $interface;
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}
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}
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/**
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* Returns a {@link TokenisedRegularExpression} object that will parse class definitions
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* @return TokenisedRegularExpression
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*/
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public static function getClassDefParser() {
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require_once('core/TokenisedRegularExpression.php');
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return new TokenisedRegularExpression(array(
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0 => T_CLASS,
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1 => T_WHITESPACE,
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2 => array(T_STRING, 'can_jump_to' => array(7, 14), 'save_to' => 'className'),
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3 => T_WHITESPACE,
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4 => T_EXTENDS,
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5 => T_WHITESPACE,
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6 => array(T_STRING, 'save_to' => 'extends', 'can_jump_to' => 14),
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7 => T_WHITESPACE,
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8 => T_IMPLEMENTS,
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9 => T_WHITESPACE,
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10 => array(T_STRING, 'can_jump_to' => 14, 'save_to' => 'interfaces[]'),
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11 => array(T_WHITESPACE, 'optional' => true),
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12 => array(',', 'can_jump_to' => 10),
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13 => array(T_WHITESPACE, 'can_jump_to' => 10),
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14 => array(T_WHITESPACE, 'optional' => true),
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15 => '{',
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));
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}
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/**
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* Returns a {@link TokenisedRegularExpression} object that will parse class definitions
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* @return TokenisedRegularExpression
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*/
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public static function getInterfaceDefParser() {
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require_once('core/TokenisedRegularExpression.php');
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|
|
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return new TokenisedRegularExpression(array(
|
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0 => T_INTERFACE,
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1 => T_WHITESPACE,
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2 => array(T_STRING, 'can_jump_to' => 7, 'save_to' => 'interfaceName'),
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3 => T_WHITESPACE,
|
|
4 => T_EXTENDS,
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5 => T_WHITESPACE,
|
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6 => array(T_STRING, 'save_to' => 'extends'),
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7 => array(T_WHITESPACE, 'optional' => true),
|
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8 => '{',
|
|
));
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}
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|
|
|
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/**
|
|
* Moves through self::$classArray and creates an array containing parent data
|
|
*
|
|
* @return array
|
|
*/
|
|
private static function find_parents() {
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|
$parentArray = array();
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foreach(self::$classArray as $class => $info) {
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$extendArray = array();
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|
|
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$parent = $info["extends"];
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|
|
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while($parent) {
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$extendArray[$parent] = $parent;
|
|
$parent = isset(self::$classArray[$parent]["extends"]) ? self::$classArray[$parent]["extends"] : null;
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|
}
|
|
$parentArray[$class] = array_reverse($extendArray);
|
|
}
|
|
return $parentArray;
|
|
}
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|
|
|
/**
|
|
* Iterates through self::$classArray and returns an array with any descendant data
|
|
*
|
|
* @return array
|
|
*/
|
|
private static function find_children() {
|
|
$childrenArray = array();
|
|
foreach(self::$extendsArray as $class => $children) {
|
|
$allChildren = $children;
|
|
foreach($children as $childName) {
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|
$allChildren = array_merge($allChildren, self::up_children($childName));
|
|
}
|
|
$childrenArray[$class] = $allChildren;
|
|
}
|
|
return $childrenArray;
|
|
}
|
|
|
|
/**
|
|
* Helper function to find all children of give class
|
|
*
|
|
* @param string $class
|
|
* @return array
|
|
*/
|
|
private static function get_children($class) {
|
|
return isset(self::$extendsArray[$class]) ? self::$extendsArray[$class] : array();
|
|
}
|
|
|
|
/**
|
|
* Returns if the Manifest has been included
|
|
*
|
|
* @return Boolean
|
|
*/
|
|
static function has_been_included() {
|
|
global $_CLASS_MANIFEST, $_TEMPLATE_MANIFEST, $_CSS_MANIFEST, $_ALL_CLASSES;
|
|
return (bool)!(empty($_CLASS_MANIFEST) && empty($_TEMPLATE_MANIFEST) && empty($_CSS_MANIFEST) && empty($_ALL_CLASSES));
|
|
}
|
|
|
|
/**
|
|
* Returns a flat array with all children of a given class
|
|
*
|
|
* @param string $class
|
|
* @param array $results
|
|
*/
|
|
function up_children($class) {
|
|
$children = self::get_Children($class);
|
|
$results = $children;
|
|
foreach($children as $className) {
|
|
$results = array_merge($results, self::up_children($className));
|
|
}
|
|
return $results;;
|
|
}
|
|
}
|
|
|
|
?>
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