silverstripe-framework/core/ManifestBuilder.php
Jeremy Shipman 2cafe279a9 Included sapphire/pear in the directories to exclude from manifest builder
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@41272 467b73ca-7a2a-4603-9d3b-597d59a354a9
2007-09-05 04:14:09 +00:00

287 lines
9.6 KiB
PHP

<?php
/**
* Generates the manifest file and keeps it fresh.
* The manifest file is a PHP include that contains global variables that represent the collected
* contents of the application:
* <ul><li>all classes</li>
* <li>all templates</li>
* <li>all _config.php files</li></ul>
* Traversing the filesystem to collect this information on everypage
* This information is cached so that it need not be regenerated on every pageview.
*/
define("MANIFEST_FILE", TEMP_FOLDER . "/manifest" . str_replace(array("/",":", "\\"),"_", $_SERVER['SCRIPT_FILENAME']));
class ManifestBuilder {
static $restrict_to_modules = array();
/**
* Returns true if the manifest file should be regenerated
*/
static function staleManifest() {
/*if(Director::isDev() || Director::isTest()) $lastEdited = Filesystem::folderModTime(".", array('ss','php'));
else*/ $lastEdited = filemtime("../");
return !file_exists(MANIFEST_FILE)
|| (filemtime(MANIFEST_FILE) < $lastEdited)
|| (filemtime(MANIFEST_FILE) < time() - 3600)
|| isset($_GET['buildmanifest']) || isset($_GET['flush']);
}
/**
* Generates a new manifest file and saves it to MANIFEST_FILE
*/
static function compileManifest() {
// Config manifest
$baseDir = dirname($_SERVER['SCRIPT_FILENAME']) . "/..";
$baseDir = ereg_replace("/[^/]+/\\.\\.","",$baseDir);
// locate the exclude file
$topLevel = scandir( $baseDir );
foreach($topLevel as $file) {
$fullPath = $baseDir . '/' . $file;
// echo $fullPath . '<br />';
if( is_dir($fullPath . '/') && file_exists($fullPath . '/_exclude.php') )
require_once($fullPath . '/_exclude.php');
}
$classManifest = array();
// Class manifest
if( is_array(self::$restrict_to_modules) && count(self::$restrict_to_modules) ) {
foreach(self::$restrict_to_modules as $module)
ManifestBuilder::getClassManifest($baseDir.'/'.$module, $classManifest);
} else {
// Only include directories if they have an _config.php file
$topLevel = scandir($baseDir);
foreach($topLevel as $filename) {
if(is_dir("$baseDir/$filename") && file_exists("$baseDir/$filename/_config.php")) {
ManifestBuilder::getClassManifest("$baseDir/$filename", $classManifest);
}
}
}
$manifest = "\$_CLASS_MANIFEST = " . var_export($classManifest, true) . ";\n";
// Load the manifest in, so that the autoloader works
global $_CLASS_MANIFEST;
$_CLASS_MANIFEST = $classManifest;
// _config.php manifest
global $databaseConfig;
$topLevel = scandir($baseDir);
foreach($topLevel as $filename) {
if(is_dir("$baseDir/$filename/") && file_exists("$baseDir/$filename/_config.php")) {
$manifest .= "require_once(\"$baseDir/$filename/_config.php\");\n";
// Include this so that we're set up for connecting to the database in the rest of the manifest builder
require_once("$baseDir/$filename/_config.php");
}
}
if(!project()) user_error("\$project isn't set", E_USER_WARNING);
// Template & CSS manifest
$templateManifest = array();
$cssManifest = array();
// Only include directories if they have an _config.php file
$topLevel = scandir($baseDir);
foreach($topLevel as $filename) {
if(substr($filename,0,1) == '.') continue;
if($filename != 'themes' && is_dir("$baseDir/$filename") && file_exists("$baseDir/$filename/_config.php")) {
ManifestBuilder::getTemplateManifest($baseDir, $filename, $templateManifest, $cssManifest);
}
}
// Get themes
if(file_exists("$baseDir/themes")) {
$themeDirs = scandir("$baseDir/themes");
foreach($themeDirs as $themeDir) {
if(substr($themeDir,0,1) == '.') continue;
// The theme something_forum is understood as being a part of the theme something
$themeName = strtok($themeDir, '_');
ManifestBuilder::getTemplateManifest($baseDir, "themes/$themeDir", $templateManifest, $cssManifest, $themeName);
}
}
// Ensure that any custom templates get favoured
ManifestBuilder::getTemplateManifest($baseDir, project(), $templateManifest, $cssManifest);
$manifest .= "\$_TEMPLATE_MANIFEST = " . var_export($templateManifest, true) . ";\n";
$manifest .= "\$_CSS_MANIFEST = " . var_export($cssManifest, true) . ";\n";
DB::connect($databaseConfig);
// Database manifest
$allClasses = ManifestBuilder::allClasses($classManifest);
$manifest .= "\$_ALL_CLASSES = " . var_export($allClasses, true) . ";\n";
global $_ALL_CLASSES;
$_ALL_CLASSES = $allClasses;
// Write manifest to disk
$manifest = "<?php\n$manifest\n?>";
if($fh = fopen(MANIFEST_FILE,"w")) {
fwrite($fh, $manifest);
fclose($fh);
} else {
die("Cannot write manifest file! Check permissions of " . MANIFEST_FILE);
}
}
/**
* Generates the class manifest - a list of all the PHP files in the application
*/
private static function getClassManifest($folder, &$classMap) {
$items = scandir($folder);
if($items) foreach($items as $item) {
if($item == 'main.php' || $item == 'cli-script.php' || $item == 'install.php' || $item == 'index.php' || $item == 'check-php.php' || $item == 'rewritetest.php') continue;
if(substr($item,0,1) == '.') continue;
if(substr($item,-4) == '.php' && substr($item,0,1) != '_') {
$itemCode = substr($item,0,-4);
if($classMap && array_key_exists($itemCode, $classMap)) user_error("Warning: there are two '$itemCode' files: '$folder/$item' and '{$classMap[$itemCode]}'. This might mean that the wrong code is being used.", E_USER_WARNING);
$classMap[$itemCode] = "$folder/$item";
} else if(is_dir("$folder/$item") && !in_array($item, array('mysql', 'assets', 'shortstat', 'pear'))) ManifestBuilder::getClassManifest("$folder/$item", $classMap);
}
}
/**
* Generates the template/css manifest - a list of all the .SS & .CSS files in the application
*/
private static function getTemplateManifest($baseDir, $folder, &$templateManifest, &$cssManifest, $themeName = null) {
$items = scandir("$baseDir/$folder");
if($items) foreach($items as $item) {
if(substr($item,0,1) == '.') continue;
if(substr($item,-3) == '.ss') {
$templateName = substr($item, 0, -3);
$templateType = substr($folder,strrpos($folder,'/')+1);
if($templateType == "templates") $templateType = "main";
if($themeName) {
$templateManifest[$templateName]['themes'][$themeName][$templateType] = "$baseDir/$folder/$item";
} else {
$templateManifest[$templateName][$templateType] = "$baseDir/$folder/$item";
}
} else if(substr($item,-4) == '.css') {
$cssName = substr($item, 0, -4);
// Debug::message($item);
if($themeName) {
$cssManifest[$cssName]['themes'][$themeName] = "$folder/$item";
} else {
$cssManifest[$cssName]['unthemed'] = "$folder/$item";
}
} else if(is_dir("$baseDir/$folder/$item")) {
ManifestBuilder::getTemplateManifest($baseDir, "$folder/$item", $templateManifest, $cssManifest, $themeName);
}
}
}
private static function allClasses($classManifest) {
// Include everything, so we actually have *all* classes
foreach($classManifest as $file) {
$b = basename($file);
if($b != 'cli-script.php' && $b != 'main.php') include_once($file);
}
if(DB::isActive()) {
$tables = DB::getConn()->tableList();
} else {
$tables = array();
}
$allClasses['hastable'] = array();
// Build a map of classes and their subclasses
$_classes = get_declared_classes();
foreach($_classes as $class) {
$allClasses['exists'][$class] = $class;
if(isset($tables[strtolower($class)])) $allClasses['hastable'][$class] = $class;
foreach($_classes as $subclass) {
if(is_subclass_of($class, $subclass)) $allClasses['parents'][$class][$subclass] = $subclass;
if(is_subclass_of($subclass, $class)) $allClasses['children'][$class][$subclass] = $subclass;
}
}
return $allClasses;
}
static function includeEverything() {
global $_CLASS_MANIFEST;
foreach($_CLASS_MANIFEST as $filename) {
if( preg_match( '/.*cli-script\.php$/', $filename ) )
continue;
require_once($filename);
}
}
/**
* Updates the active table list in the class info in the manifest, but leaves everything else as-is.
* Much quicker to run than compileManifest :-)
*/
static function update_db_tables() {
global $_ALL_CLASSES;
$_ALL_CLASSES['hastable'] = array();
$tables = DB::getConn()->tableList();
// We need to iterate through the full class lists, because the table names come out in lowercase
foreach($_ALL_CLASSES['exists'] as $class) {
if(isset($tables[strtolower($class)])) $_ALL_CLASSES['hastable'][$class] = $class;
}
self::write_manifest();
}
/**
* Write the manifest file, containing the updated values in the applicable globals
*/
static function write_manifest() {
global $_CLASS_MANIFEST, $_TEMPLATE_MANIFEST, $_CSS_MANIFEST, $_ALL_CLASSES;
$manifest = "\$_CLASS_MANIFEST = " . var_export($_CLASS_MANIFEST, true) . ";\n";
// Config manifest
$baseDir = dirname($_SERVER['SCRIPT_FILENAME']) . "/..";
$baseDir = ereg_replace("/[^/]+/\\.\\.","",$baseDir);
$topLevel = scandir($baseDir);
foreach($topLevel as $filename) {
if(is_dir("$baseDir/$filename/") && file_exists("$baseDir/$filename/_config.php")) {
$manifest .= "require_once(\"$baseDir/$filename/_config.php\");\n";
}
}
$manifest .= "\$_TEMPLATE_MANIFEST = " . var_export($_TEMPLATE_MANIFEST, true) . ";\n";
$manifest .= "\$_CSS_MANIFEST = " . var_export($_CSS_MANIFEST, true) . ";\n";
$manifest .= "\$_ALL_CLASSES = " . var_export($_ALL_CLASSES, true) . ";\n";
$manifest = "<?php\n$manifest\n?>";
if($fh = fopen(MANIFEST_FILE,"w")) {
fwrite($fh, $manifest);
fclose($fh);
} else {
die("Cannot write manifest file! Check permissions of " . MANIFEST_FILE);
}
}
}
?>