box-o-sand/PracticingPhp/web-cake/html/cake/libs/configure.php

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2011-01-03 04:24:59 +00:00
<?php
/**
* App and Configure classes
*
* PHP versions 4 and 5
*
* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
* Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
* @link http://cakephp.org CakePHP(tm) Project
* @package cake
* @subpackage cake.cake.libs
* @since CakePHP(tm) v 1.0.0.2363
* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
*/
/**
* Configuration class (singleton). Used for managing runtime configuration information.
*
* @package cake
* @subpackage cake.cake.libs
* @link http://book.cakephp.org/view/924/The-Configuration-Class
*/
class Configure extends Object {
/**
* Current debug level.
*
* @link http://book.cakephp.org/view/931/CakePHP-Core-Configuration-Variables
* @var integer
* @access public
*/
var $debug = 0;
/**
* Returns a singleton instance of the Configure class.
*
* @return Configure instance
* @access public
*/
function &getInstance($boot = true) {
static $instance = array();
if (!$instance) {
if (!class_exists('Set')) {
require LIBS . 'set.php';
}
$instance[0] =& new Configure();
$instance[0]->__loadBootstrap($boot);
}
return $instance[0];
}
/**
* Used to store a dynamic variable in the Configure instance.
*
* Usage:
* {{{
* Configure::write('One.key1', 'value of the Configure::One[key1]');
* Configure::write(array('One.key1' => 'value of the Configure::One[key1]'));
* Configure::write('One', array(
* 'key1' => 'value of the Configure::One[key1]',
* 'key2' => 'value of the Configure::One[key2]'
* );
*
* Configure::write(array(
* 'One.key1' => 'value of the Configure::One[key1]',
* 'One.key2' => 'value of the Configure::One[key2]'
* ));
* }}}
*
* @link http://book.cakephp.org/view/926/write
* @param array $config Name of var to write
* @param mixed $value Value to set for var
* @return boolean True if write was successful
* @access public
*/
function write($config, $value = null) {
$_this =& Configure::getInstance();
if (!is_array($config)) {
$config = array($config => $value);
}
foreach ($config as $name => $value) {
if (strpos($name, '.') === false) {
$_this->{$name} = $value;
} else {
$names = explode('.', $name, 4);
switch (count($names)) {
case 2:
$_this->{$names[0]}[$names[1]] = $value;
break;
case 3:
$_this->{$names[0]}[$names[1]][$names[2]] = $value;
break;
case 4:
$names = explode('.', $name, 2);
if (!isset($_this->{$names[0]})) {
$_this->{$names[0]} = array();
}
$_this->{$names[0]} = Set::insert($_this->{$names[0]}, $names[1], $value);
break;
}
}
}
if (isset($config['debug']) || isset($config['log'])) {
$reporting = 0;
if ($_this->debug) {
if (!class_exists('Debugger')) {
require LIBS . 'debugger.php';
}
$reporting = E_ALL & ~E_DEPRECATED;
if (function_exists('ini_set')) {
ini_set('display_errors', 1);
}
} elseif (function_exists('ini_set')) {
ini_set('display_errors', 0);
}
if (isset($_this->log) && $_this->log) {
if (!class_exists('CakeLog')) {
require LIBS . 'cake_log.php';
}
if (is_integer($_this->log) && !$_this->debug) {
$reporting = $_this->log;
} else {
$reporting = E_ALL & ~E_DEPRECATED;
}
}
error_reporting($reporting);
}
return true;
}
/**
* Used to read information stored in the Configure instance.
*
* Usage:
* {{{
* Configure::read('Name'); will return all values for Name
* Configure::read('Name.key'); will return only the value of Configure::Name[key]
* }}}
*
* @link http://book.cakephp.org/view/927/read
* @param string $var Variable to obtain. Use '.' to access array elements.
* @return string value of Configure::$var
* @access public
*/
function read($var = 'debug') {
$_this =& Configure::getInstance();
if ($var === 'debug') {
return $_this->debug;
}
if (strpos($var, '.') !== false) {
$names = explode('.', $var, 3);
$var = $names[0];
}
if (!isset($_this->{$var})) {
return null;
}
if (!isset($names[1])) {
return $_this->{$var};
}
switch (count($names)) {
case 2:
if (isset($_this->{$var}[$names[1]])) {
return $_this->{$var}[$names[1]];
}
break;
case 3:
if (isset($_this->{$var}[$names[1]][$names[2]])) {
return $_this->{$var}[$names[1]][$names[2]];
}
if (!isset($_this->{$var}[$names[1]])) {
return null;
}
return Set::classicExtract($_this->{$var}[$names[1]], $names[2]);
break;
}
return null;
}
/**
* Used to delete a variable from the Configure instance.
*
* Usage:
* {{{
* Configure::delete('Name'); will delete the entire Configure::Name
* Configure::delete('Name.key'); will delete only the Configure::Name[key]
* }}}
*
* @link http://book.cakephp.org/view/928/delete
* @param string $var the var to be deleted
* @return void
* @access public
*/
function delete($var = null) {
$_this =& Configure::getInstance();
if (strpos($var, '.') === false) {
unset($_this->{$var});
return;
}
$names = explode('.', $var, 2);
$_this->{$names[0]} = Set::remove($_this->{$names[0]}, $names[1]);
}
/**
* Loads a file from app/config/configure_file.php.
* Config file variables should be formated like:
* `$config['name'] = 'value';`
* These will be used to create dynamic Configure vars. load() is also used to
* load stored config files created with Configure::store()
*
* - To load config files from app/config use `Configure::load('configure_file');`.
* - To load config files from a plugin `Configure::load('plugin.configure_file');`.
*
* @link http://book.cakephp.org/view/929/load
* @param string $fileName name of file to load, extension must be .php and only the name
* should be used, not the extenstion
* @return mixed false if file not found, void if load successful
* @access public
*/
function load($fileName) {
$found = $plugin = $pluginPath = false;
list($plugin, $fileName) = pluginSplit($fileName);
if ($plugin) {
$pluginPath = App::pluginPath($plugin);
}
$pos = strpos($fileName, '..');
if ($pos === false) {
if ($pluginPath && file_exists($pluginPath . 'config' . DS . $fileName . '.php')) {
include($pluginPath . 'config' . DS . $fileName . '.php');
$found = true;
} elseif (file_exists(CONFIGS . $fileName . '.php')) {
include(CONFIGS . $fileName . '.php');
$found = true;
} elseif (file_exists(CACHE . 'persistent' . DS . $fileName . '.php')) {
include(CACHE . 'persistent' . DS . $fileName . '.php');
$found = true;
} else {
foreach (App::core('cake') as $key => $path) {
if (file_exists($path . DS . 'config' . DS . $fileName . '.php')) {
include($path . DS . 'config' . DS . $fileName . '.php');
$found = true;
break;
}
}
}
}
if (!$found) {
return false;
}
if (!isset($config)) {
trigger_error(sprintf(__('Configure::load() - no variable $config found in %s.php', true), $fileName), E_USER_WARNING);
return false;
}
return Configure::write($config);
}
/**
* Used to determine the current version of CakePHP.
*
* Usage `Configure::version();`
*
* @link http://book.cakephp.org/view/930/version
* @return string Current version of CakePHP
* @access public
*/
function version() {
$_this =& Configure::getInstance();
if (!isset($_this->Cake['version'])) {
require(CORE_PATH . 'cake' . DS . 'config' . DS . 'config.php');
$_this->write($config);
}
return $_this->Cake['version'];
}
/**
* Used to write a config file to disk.
*
* {{{
* Configure::store('Model', 'class_paths', array('Users' => array(
* 'path' => 'users', 'plugin' => true
* )));
* }}}
*
* @param string $type Type of config file to write, ex: Models, Controllers, Helpers, Components
* @param string $name file name.
* @param array $data array of values to store.
* @return void
* @access public
*/
function store($type, $name, $data = array()) {
$write = true;
$content = '';
foreach ($data as $key => $value) {
$content .= "\$config['$type']['$key'] = " . var_export($value, true) . ";\n";
}
if (is_null($type)) {
$write = false;
}
Configure::__writeConfig($content, $name, $write);
}
/**
* Creates a cached version of a configuration file.
* Appends values passed from Configure::store() to the cached file
*
* @param string $content Content to write on file
* @param string $name Name to use for cache file
* @param boolean $write true if content should be written, false otherwise
* @return void
* @access private
*/
function __writeConfig($content, $name, $write = true) {
$file = CACHE . 'persistent' . DS . $name . '.php';
if (Configure::read() > 0) {
$expires = "+10 seconds";
} else {
$expires = "+999 days";
}
$cache = cache('persistent' . DS . $name . '.php', null, $expires);
if ($cache === null) {
cache('persistent' . DS . $name . '.php', "<?php\n\$config = array();\n", $expires);
}
if ($write === true) {
if (!class_exists('File')) {
require LIBS . 'file.php';
}
$fileClass = new File($file);
if ($fileClass->writable()) {
$fileClass->append($content);
}
}
}
/**
* @deprecated
* @see App::objects()
*/
function listObjects($type, $path = null, $cache = true) {
return App::objects($type, $path, $cache);
}
/**
* @deprecated
* @see App::core()
*/
function corePaths($type = null) {
return App::core($type);
}
/**
* @deprecated
* @see App::build()
*/
function buildPaths($paths) {
return App::build($paths);
}
/**
* Loads app/config/bootstrap.php.
* If the alternative paths are set in this file
* they will be added to the paths vars.
*
* @param boolean $boot Load application bootstrap (if true)
* @return void
* @access private
*/
function __loadBootstrap($boot) {
if ($boot) {
Configure::write('App', array('base' => false, 'baseUrl' => false, 'dir' => APP_DIR, 'webroot' => WEBROOT_DIR, 'www_root' => WWW_ROOT));
if (!include(CONFIGS . 'core.php')) {
trigger_error(sprintf(__("Can't find application core file. Please create %score.php, and make sure it is readable by PHP.", true), CONFIGS), E_USER_ERROR);
}
if (Configure::read('Cache.disable') !== true) {
$cache = Cache::config('default');
if (empty($cache['settings'])) {
trigger_error(__('Cache not configured properly. Please check Cache::config(); in APP/config/core.php', true), E_USER_WARNING);
$cache = Cache::config('default', array('engine' => 'File'));
}
$path = $prefix = $duration = null;
if (!empty($cache['settings']['path'])) {
$path = realpath($cache['settings']['path']);
} else {
$prefix = $cache['settings']['prefix'];
}
if (Configure::read() >= 1) {
$duration = '+10 seconds';
} else {
$duration = '+999 days';
}
if (Cache::config('_cake_core_') === false) {
Cache::config('_cake_core_', array_merge((array)$cache['settings'], array(
'prefix' => $prefix . 'cake_core_', 'path' => $path . DS . 'persistent' . DS,
'serialize' => true, 'duration' => $duration
)));
}
if (Cache::config('_cake_model_') === false) {
Cache::config('_cake_model_', array_merge((array)$cache['settings'], array(
'prefix' => $prefix . 'cake_model_', 'path' => $path . DS . 'models' . DS,
'serialize' => true, 'duration' => $duration
)));
}
Cache::config('default');
}
App::build();
if (!include(CONFIGS . 'bootstrap.php')) {
trigger_error(sprintf(__("Can't find application bootstrap file. Please create %sbootstrap.php, and make sure it is readable by PHP.", true), CONFIGS), E_USER_ERROR);
}
}
}
}
/**
* Class/file loader and path management.
*
* @link http://book.cakephp.org/view/933/The-App-Class
* @since CakePHP(tm) v 1.2.0.6001
* @package cake
* @subpackage cake.cake.libs
*/
class App extends Object {
/**
* List of object types and their properties
*
* @var array
* @access public
*/
var $types = array(
'class' => array('suffix' => '.php', 'extends' => null, 'core' => true),
'file' => array('suffix' => '.php', 'extends' => null, 'core' => true),
'model' => array('suffix' => '.php', 'extends' => 'AppModel', 'core' => false),
'behavior' => array('suffix' => '.php', 'extends' => 'ModelBehavior', 'core' => true),
'controller' => array('suffix' => '_controller.php', 'extends' => 'AppController', 'core' => true),
'component' => array('suffix' => '.php', 'extends' => null, 'core' => true),
'lib' => array('suffix' => '.php', 'extends' => null, 'core' => true),
'view' => array('suffix' => '.php', 'extends' => null, 'core' => true),
'helper' => array('suffix' => '.php', 'extends' => 'AppHelper', 'core' => true),
'vendor' => array('suffix' => '', 'extends' => null, 'core' => true),
'shell' => array('suffix' => '.php', 'extends' => 'Shell', 'core' => true),
'plugin' => array('suffix' => '', 'extends' => null, 'core' => true)
);
/**
* List of additional path(s) where model files reside.
*
* @var array
* @access public
*/
var $models = array();
/**
* List of additional path(s) where behavior files reside.
*
* @var array
* @access public
*/
var $behaviors = array();
/**
* List of additional path(s) where controller files reside.
*
* @var array
* @access public
*/
var $controllers = array();
/**
* List of additional path(s) where component files reside.
*
* @var array
* @access public
*/
var $components = array();
/**
* List of additional path(s) where datasource files reside.
*
* @var array
* @access public
*/
var $datasources = array();
/**
* List of additional path(s) where libs files reside.
*
* @var array
* @access public
*/
var $libs = array();
/**
* List of additional path(s) where view files reside.
*
* @var array
* @access public
*/
var $views = array();
/**
* List of additional path(s) where helper files reside.
*
* @var array
* @access public
*/
var $helpers = array();
/**
* List of additional path(s) where plugins reside.
*
* @var array
* @access public
*/
var $plugins = array();
/**
* List of additional path(s) where vendor packages reside.
*
* @var array
* @access public
*/
var $vendors = array();
/**
* List of additional path(s) where locale files reside.
*
* @var array
* @access public
*/
var $locales = array();
/**
* List of additional path(s) where console shell files reside.
*
* @var array
* @access public
*/
var $shells = array();
/**
* Paths to search for files.
*
* @var array
* @access public
*/
var $search = array();
/**
* Whether or not to return the file that is loaded.
*
* @var boolean
* @access public
*/
var $return = false;
/**
* Determines if $__maps and $__paths cache should be written.
*
* @var boolean
* @access private
*/
var $__cache = false;
/**
* Holds key/value pairs of $type => file path.
*
* @var array
* @access private
*/
var $__map = array();
/**
* Holds paths for deep searching of files.
*
* @var array
* @access private
*/
var $__paths = array();
/**
* Holds loaded files.
*
* @var array
* @access private
*/
var $__loaded = array();
/**
* Holds and key => value array of object types.
*
* @var array
* @access private
*/
var $__objects = array();
/**
* Used to read information stored path
*
* Usage:
*
* `App::path('models'); will return all paths for models`
*
* @param string $type type of path
* @return string array
* @access public
*/
function path($type) {
$_this =& App::getInstance();
if (!isset($_this->{$type})) {
return array();
}
return $_this->{$type};
}
/**
* Build path references. Merges the supplied $paths
* with the base paths and the default core paths.
*
* @param array $paths paths defines in config/bootstrap.php
* @param boolean $reset true will set paths, false merges paths [default] false
* @return void
* @access public
*/
function build($paths = array(), $reset = false) {
$_this =& App::getInstance();
$defaults = array(
'models' => array(MODELS),
'behaviors' => array(BEHAVIORS),
'datasources' => array(MODELS . 'datasources'),
'controllers' => array(CONTROLLERS),
'components' => array(COMPONENTS),
'libs' => array(APPLIBS),
'views' => array(VIEWS),
'helpers' => array(HELPERS),
'locales' => array(APP . 'locale' . DS),
'shells' => array(APP . 'vendors' . DS . 'shells' . DS, VENDORS . 'shells' . DS),
'vendors' => array(APP . 'vendors' . DS, VENDORS),
'plugins' => array(APP . 'plugins' . DS)
);
if ($reset == true) {
foreach ($paths as $type => $new) {
$_this->{$type} = (array)$new;
}
return $paths;
}
$core = $_this->core();
$app = array('models' => true, 'controllers' => true, 'helpers' => true);
foreach ($defaults as $type => $default) {
$merge = array();
if (isset($app[$type])) {
$merge = array(APP);
}
if (isset($core[$type])) {
$merge = array_merge($merge, (array)$core[$type]);
}
if (empty($_this->{$type}) || empty($paths)) {
$_this->{$type} = $default;
}
if (!empty($paths[$type])) {
$path = array_flip(array_flip(array_merge(
(array)$paths[$type], $_this->{$type}, $merge
)));
$_this->{$type} = array_values($path);
} else {
$path = array_flip(array_flip(array_merge($_this->{$type}, $merge)));
$_this->{$type} = array_values($path);
}
}
}
/**
* Get the path that a plugin is on. Searches through the defined plugin paths.
*
* @param string $plugin CamelCased/lower_cased plugin name to find the path of.
* @return string full path to the plugin.
*/
function pluginPath($plugin) {
$_this =& App::getInstance();
$pluginDir = Inflector::underscore($plugin);
for ($i = 0, $length = count($_this->plugins); $i < $length; $i++) {
if (is_dir($_this->plugins[$i] . $pluginDir)) {
return $_this->plugins[$i] . $pluginDir . DS ;
}
}
return $_this->plugins[0] . $pluginDir . DS;
}
/**
* Find the path that a theme is on. Search through the defined theme paths.
*
* @param string $theme lower_cased theme name to find the path of.
* @return string full path to the theme.
*/
function themePath($theme) {
$_this =& App::getInstance();
$themeDir = 'themed' . DS . Inflector::underscore($theme);
for ($i = 0, $length = count($_this->views); $i < $length; $i++) {
if (is_dir($_this->views[$i] . $themeDir)) {
return $_this->views[$i] . $themeDir . DS ;
}
}
return $_this->views[0] . $themeDir . DS;
}
/**
* Returns a key/value list of all paths where core libs are found.
* Passing $type only returns the values for a given value of $key.
*
* @param string $type valid values are: 'model', 'behavior', 'controller', 'component',
* 'view', 'helper', 'datasource', 'libs', and 'cake'
* @return array numeric keyed array of core lib paths
* @access public
*/
function core($type = null) {
static $paths = false;
if ($paths === false) {
$paths = Cache::read('core_paths', '_cake_core_');
}
if (!$paths) {
$paths = array();
$libs = dirname(__FILE__) . DS;
$cake = dirname($libs) . DS;
$path = dirname($cake) . DS;
$paths['cake'][] = $cake;
$paths['libs'][] = $libs;
$paths['models'][] = $libs . 'model' . DS;
$paths['datasources'][] = $libs . 'model' . DS . 'datasources' . DS;
$paths['behaviors'][] = $libs . 'model' . DS . 'behaviors' . DS;
$paths['controllers'][] = $libs . 'controller' . DS;
$paths['components'][] = $libs . 'controller' . DS . 'components' . DS;
$paths['views'][] = $libs . 'view' . DS;
$paths['helpers'][] = $libs . 'view' . DS . 'helpers' . DS;
$paths['plugins'][] = $path . 'plugins' . DS;
$paths['vendors'][] = $path . 'vendors' . DS;
$paths['shells'][] = $cake . 'console' . DS . 'libs' . DS;
Cache::write('core_paths', array_filter($paths), '_cake_core_');
}
if ($type && isset($paths[$type])) {
return $paths[$type];
}
return $paths;
}
/**
* Returns an array of objects of the given type.
*
* Example usage:
*
* `App::objects('plugin');` returns `array('DebugKit', 'Blog', 'User');`
*
* @param string $type Type of object, i.e. 'model', 'controller', 'helper', or 'plugin'
* @param mixed $path Optional Scan only the path given. If null, paths for the chosen
* type will be used.
* @param boolean $cache Set to false to rescan objects of the chosen type. Defaults to true.
* @return mixed Either false on incorrect / miss. Or an array of found objects.
* @access public
*/
function objects($type, $path = null, $cache = true) {
$objects = array();
$extension = false;
$name = $type;
if ($type === 'file' && !$path) {
return false;
} elseif ($type === 'file') {
$extension = true;
$name = $type . str_replace(DS, '', $path);
}
$_this =& App::getInstance();
if (empty($_this->__objects) && $cache === true) {
$_this->__objects = Cache::read('object_map', '_cake_core_');
}
if (!isset($_this->__objects[$name]) || $cache !== true) {
$types = $_this->types;
if (!isset($types[$type])) {
return false;
}
$objects = array();
if (empty($path)) {
$path = $_this->{"{$type}s"};
if (isset($types[$type]['core']) && $types[$type]['core'] === false) {
array_pop($path);
}
}
$items = array();
foreach ((array)$path as $dir) {
if ($dir != APP) {
$items = $_this->__list($dir, $types[$type]['suffix'], $extension);
$objects = array_merge($items, array_diff($objects, $items));
}
}
if ($type !== 'file') {
foreach ($objects as $key => $value) {
$objects[$key] = Inflector::camelize($value);
}
}
if ($cache === true) {
$_this->__cache = true;
}
$_this->__objects[$name] = $objects;
}
return $_this->__objects[$name];
}
/**
* Finds classes based on $name or specific file(s) to search. Calling App::import() will
* not construct any classes contained in the files. It will only find and require() the file.
*
* @link http://book.cakephp.org/view/934/Using-App-import
* @param mixed $type The type of Class if passed as a string, or all params can be passed as
* an single array to $type,
* @param string $name Name of the Class or a unique name for the file
* @param mixed $parent boolean true if Class Parent should be searched, accepts key => value
* array('parent' => $parent ,'file' => $file, 'search' => $search, 'ext' => '$ext');
* $ext allows setting the extension of the file name
* based on Inflector::underscore($name) . ".$ext";
* @param array $search paths to search for files, array('path 1', 'path 2', 'path 3');
* @param string $file full name of the file to search for including extension
* @param boolean $return, return the loaded file, the file must have a return
* statement in it to work: return $variable;
* @return boolean true if Class is already in memory or if file is found and loaded, false if not
* @access public
*/
function import($type = null, $name = null, $parent = true, $search = array(), $file = null, $return = false) {
$plugin = $directory = null;
if (is_array($type)) {
extract($type, EXTR_OVERWRITE);
}
if (is_array($parent)) {
extract($parent, EXTR_OVERWRITE);
}
if ($name === null && $file === null) {
$name = $type;
$type = 'Core';
} elseif ($name === null) {
$type = 'File';
}
if (is_array($name)) {
foreach ($name as $class) {
$tempType = $type;
$plugin = null;
if (strpos($class, '.') !== false) {
$value = explode('.', $class);
$count = count($value);
if ($count > 2) {
$tempType = $value[0];
$plugin = $value[1] . '.';
$class = $value[2];
} elseif ($count === 2 && ($type === 'Core' || $type === 'File')) {
$tempType = $value[0];
$class = $value[1];
} else {
$plugin = $value[0] . '.';
$class = $value[1];
}
}
if (!App::import($tempType, $plugin . $class, $parent)) {
return false;
}
}
return true;
}
if ($name != null && strpos($name, '.') !== false) {
list($plugin, $name) = explode('.', $name);
$plugin = Inflector::camelize($plugin);
}
$_this =& App::getInstance();
$_this->return = $return;
if (isset($ext)) {
$file = Inflector::underscore($name) . ".{$ext}";
}
$ext = $_this->__settings($type, $plugin, $parent);
if ($name != null && !class_exists($name . $ext['class'])) {
if ($load = $_this->__mapped($name . $ext['class'], $type, $plugin)) {
if ($_this->__load($load)) {
$_this->__overload($type, $name . $ext['class'], $parent);
if ($_this->return) {
return include($load);
}
return true;
} else {
$_this->__remove($name . $ext['class'], $type, $plugin);
$_this->__cache = true;
}
}
if (!empty($search)) {
$_this->search = $search;
} elseif ($plugin) {
$_this->search = $_this->__paths('plugin');
} else {
$_this->search = $_this->__paths($type);
}
$find = $file;
if ($find === null) {
$find = Inflector::underscore($name . $ext['suffix']).'.php';
if ($plugin) {
$paths = $_this->search;
foreach ($paths as $key => $value) {
$_this->search[$key] = $value . $ext['path'];
}
}
}
if (strtolower($type) !== 'vendor' && empty($search) && $_this->__load($file)) {
$directory = false;
} else {
$file = $find;
$directory = $_this->__find($find, true);
}
if ($directory !== null) {
$_this->__cache = true;
$_this->__map($directory . $file, $name . $ext['class'], $type, $plugin);
$_this->__overload($type, $name . $ext['class'], $parent);
if ($_this->return) {
return include($directory . $file);
}
return true;
}
return false;
}
return true;
}
/**
* Returns a single instance of App.
*
* @return object
* @access public
*/
function &getInstance() {
static $instance = array();
if (!$instance) {
$instance[0] =& new App();
$instance[0]->__map = (array)Cache::read('file_map', '_cake_core_');
}
return $instance[0];
}
/**
* Locates the $file in $__paths, searches recursively.
*
* @param string $file full file name
* @param boolean $recursive search $__paths recursively
* @return mixed boolean on fail, $file directory path on success
* @access private
*/
function __find($file, $recursive = true) {
static $appPath = false;
if (empty($this->search)) {
return null;
} elseif (is_string($this->search)) {
$this->search = array($this->search);
}
if (empty($this->__paths)) {
$this->__paths = Cache::read('dir_map', '_cake_core_');
}
foreach ($this->search as $path) {
if ($appPath === false) {
$appPath = rtrim(APP, DS);
}
$path = rtrim($path, DS);
if ($path === $appPath) {
$recursive = false;
}
if ($recursive === false) {
if ($this->__load($path . DS . $file)) {
return $path . DS;
}
continue;
}
if (!isset($this->__paths[$path])) {
if (!class_exists('Folder')) {
require LIBS . 'folder.php';
}
$Folder =& new Folder();
$directories = $Folder->tree($path, array('.svn', '.git', 'CVS', 'tests', 'templates'), 'dir');
sort($directories);
$this->__paths[$path] = $directories;
}
foreach ($this->__paths[$path] as $directory) {
if ($this->__load($directory . DS . $file)) {
return $directory . DS;
}
}
}
return null;
}
/**
* Attempts to load $file.
*
* @param string $file full path to file including file name
* @return boolean
* @access private
*/
function __load($file) {
if (empty($file)) {
return false;
}
if (!$this->return && isset($this->__loaded[$file])) {
return true;
}
if (file_exists($file)) {
if (!$this->return) {
require($file);
$this->__loaded[$file] = true;
}
return true;
}
return false;
}
/**
* Maps the $name to the $file.
*
* @param string $file full path to file
* @param string $name unique name for this map
* @param string $type type object being mapped
* @param string $plugin camelized if object is from a plugin, the name of the plugin
* @return void
* @access private
*/
function __map($file, $name, $type, $plugin) {
if ($plugin) {
$this->__map['Plugin'][$plugin][$type][$name] = $file;
} else {
$this->__map[$type][$name] = $file;
}
}
/**
* Returns a file's complete path.
*
* @param string $name unique name
* @param string $type type object
* @param string $plugin camelized if object is from a plugin, the name of the plugin
* @return mixed, file path if found, false otherwise
* @access private
*/
function __mapped($name, $type, $plugin) {
if ($plugin) {
if (isset($this->__map['Plugin'][$plugin][$type]) && isset($this->__map['Plugin'][$plugin][$type][$name])) {
return $this->__map['Plugin'][$plugin][$type][$name];
}
return false;
}
if (isset($this->__map[$type]) && isset($this->__map[$type][$name])) {
return $this->__map[$type][$name];
}
return false;
}
/**
* Used to overload objects as needed.
*
* @param string $type Model or Helper
* @param string $name Class name to overload
* @access private
*/
function __overload($type, $name, $parent) {
if (($type === 'Model' || $type === 'Helper') && $parent !== false) {
Overloadable::overload($name);
}
}
/**
* Loads parent classes based on $type.
* Returns a prefix or suffix needed for loading files.
*
* @param string $type type of object
* @param string $plugin camelized name of plugin
* @param boolean $parent false will not attempt to load parent
* @return array
* @access private
*/
function __settings($type, $plugin, $parent) {
if (!$parent) {
return array('class' => null, 'suffix' => null, 'path' => null);
}
if ($plugin) {
$pluginPath = Inflector::underscore($plugin);
}
$path = null;
$load = strtolower($type);
switch ($load) {
case 'model':
if (!class_exists('Model')) {
require LIBS . 'model' . DS . 'model.php';
}
if (!class_exists('AppModel')) {
App::import($type, 'AppModel', false);
}
if ($plugin) {
if (!class_exists($plugin . 'AppModel')) {
App::import($type, $plugin . '.' . $plugin . 'AppModel', false, array(), $pluginPath . DS . $pluginPath . '_app_model.php');
}
$path = $pluginPath . DS . 'models' . DS;
}
return array('class' => null, 'suffix' => null, 'path' => $path);
break;
case 'behavior':
if ($plugin) {
$path = $pluginPath . DS . 'models' . DS . 'behaviors' . DS;
}
return array('class' => $type, 'suffix' => null, 'path' => $path);
break;
case 'datasource':
if ($plugin) {
$path = $pluginPath . DS . 'models' . DS . 'datasources' . DS;
}
return array('class' => $type, 'suffix' => null, 'path' => $path);
case 'controller':
App::import($type, 'AppController', false);
if ($plugin) {
App::import($type, $plugin . '.' . $plugin . 'AppController', false, array(), $pluginPath . DS . $pluginPath . '_app_controller.php');
$path = $pluginPath . DS . 'controllers' . DS;
}
return array('class' => $type, 'suffix' => $type, 'path' => $path);
break;
case 'component':
if ($plugin) {
$path = $pluginPath . DS . 'controllers' . DS . 'components' . DS;
}
return array('class' => $type, 'suffix' => null, 'path' => $path);
break;
case 'lib':
if ($plugin) {
$path = $pluginPath . DS . 'libs' . DS;
}
return array('class' => null, 'suffix' => null, 'path' => $path);
break;
case 'view':
if ($plugin) {
$path = $pluginPath . DS . 'views' . DS;
}
return array('class' => $type, 'suffix' => null, 'path' => $path);
break;
case 'helper':
if (!class_exists('AppHelper')) {
App::import($type, 'AppHelper', false);
}
if ($plugin) {
$path = $pluginPath . DS . 'views' . DS . 'helpers' . DS;
}
return array('class' => $type, 'suffix' => null, 'path' => $path);
break;
case 'vendor':
if ($plugin) {
$path = $pluginPath . DS . 'vendors' . DS;
}
return array('class' => null, 'suffix' => null, 'path' => $path);
break;
default:
$type = $suffix = $path = null;
break;
}
return array('class' => null, 'suffix' => null, 'path' => null);
}
/**
* Returns default search paths.
*
* @param string $type type of object to be searched
* @return array list of paths
* @access private
*/
function __paths($type) {
$type = strtolower($type);
$paths = array();
if ($type === 'core') {
return App::core('libs');
}
if (isset($this->{$type . 's'})) {
return $this->{$type . 's'};
}
return $paths;
}
/**
* Removes file location from map if the file has been deleted.
*
* @param string $name name of object
* @param string $type type of object
* @param string $plugin camelized name of plugin
* @return void
* @access private
*/
function __remove($name, $type, $plugin) {
if ($plugin) {
unset($this->__map['Plugin'][$plugin][$type][$name]);
} else {
unset($this->__map[$type][$name]);
}
}
/**
* Returns an array of filenames of PHP files in the given directory.
*
* @param string $path Path to scan for files
* @param string $suffix if false, return only directories. if string, match and return files
* @return array List of directories or files in directory
* @access private
*/
function __list($path, $suffix = false, $extension = false) {
if (!class_exists('Folder')) {
require LIBS . 'folder.php';
}
$items = array();
$Folder =& new Folder($path);
$contents = $Folder->read(false, true);
if (is_array($contents)) {
if (!$suffix) {
return $contents[0];
} else {
foreach ($contents[1] as $item) {
if (substr($item, - strlen($suffix)) === $suffix) {
if ($extension) {
$items[] = $item;
} else {
$items[] = substr($item, 0, strlen($item) - strlen($suffix));
}
}
}
}
}
return $items;
}
/**
* Object destructor.
*
* Writes cache file if changes have been made to the $__map or $__paths
*
* @return void
* @access private
*/
function __destruct() {
if ($this->__cache) {
$core = App::core('cake');
unset($this->__paths[rtrim($core[0], DS)]);
Cache::write('dir_map', array_filter($this->__paths), '_cake_core_');
Cache::write('file_map', array_filter($this->__map), '_cake_core_');
Cache::write('object_map', $this->__objects, '_cake_core_');
}
}
}