gecko-dev/webtools/remora/cake/basics.php
2006-08-27 01:54:37 +00:00

1053 lines
24 KiB
PHP

<?php
/* SVN FILE: $Id: basics.php,v 1.1 2006/08/27 01:54:30 shaver%mozilla.org Exp $ */
/**
* Basic Cake functionality.
*
* Core functions for including other source files, loading models and so forth.
*
* PHP versions 4 and 5
*
* CakePHP : Rapid Development Framework <http://www.cakephp.org/>
* Copyright (c) 2006, Cake Software Foundation, Inc.
* 1785 E. Sahara Avenue, Suite 490-204
* Las Vegas, Nevada 89104
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice.
*
* @filesource
* @copyright Copyright (c) 2006, Cake Software Foundation, Inc.
* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP Project
* @package cake
* @subpackage cake.cake
* @since CakePHP v 0.2.9
* @version $Revision: 1.1 $
* @modifiedby $LastChangedBy: phpnut $
* @lastmodified $Date: 2006/08/27 01:54:30 $
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
*/
/**
* Basic defines for timing functions.
*/
define('SECOND', 1);
define('MINUTE', 60 * SECOND);
define('HOUR', 60 * MINUTE);
define('DAY', 24 * HOUR);
define('WEEK', 7 * DAY);
define('MONTH', 30 * DAY);
define('YEAR', 365 * DAY);
/**
* Patch for PHP < 4.3
*/
if (!function_exists("ob_get_clean")) {
function ob_get_clean() {
$ob_contents = ob_get_contents();
ob_end_clean();
return $ob_contents;
}
}
/**
* Loads all models.
*/
function loadModels() {
$path = Configure::getInstance();
if (!class_exists('AppModel')) {
if (file_exists(APP . 'app_model.php')) {
require(APP . 'app_model.php');
} else {
require(CAKE . 'app_model.php');
}
}
if (phpversion() < 5 && function_exists("overload")) {
overload('AppModel');
}
$loadedModels = array();
foreach($path->modelPaths as $path) {
foreach(listClasses($path)as $model_fn) {
if (!key_exists($model_fn, $loadedModels)) {
require($path . $model_fn);
if (phpversion() < 5 && function_exists("overload")) {
list($name) = explode('.', $model_fn);
overload(Inflector::camelize($name));
}
$loadedModels[$model_fn] = $model_fn;
}
}
}
}
/**
* Loads a loadPluginController.
*
* @param string $plugin Name of plugin
* @return
*/
function loadPluginModels($plugin) {
$pluginAppModel = Inflector::camelize($plugin . '_app_model');
$pluginAppModelFile = APP . 'plugins' . DS . $plugin . DS . $plugin . '_app_model.php';
if (!class_exists($pluginAppModel)) {
if (file_exists($pluginAppModelFile)) {
require($pluginAppModelFile);
} else {
die('Plugins must have a class named ' . $pluginAppModel);
}
}
if (phpversion() < 5 && function_exists("overload")) {
overload($pluginAppModel);
}
$pluginModelDir = APP . 'plugins' . DS . $plugin . DS . 'models' . DS;
$loadedPluginModels = array();
foreach(listClasses($pluginModelDir)as $modelFileName) {
if (!key_exists($modelFileName, $loadedPluginModels)) {
require($pluginModelDir . $modelFileName);
if (phpversion() < 5 && function_exists("overload")) {
list($name) = explode('.', $modelFileName);
overload(Inflector::camelize($name));
}
$loadedPluginModels[$modelFileName] = $modelFileName;
}
}
}
/**
* Loads custom view class.
*
*/
function loadView($viewClass) {
if (!class_exists($viewClass . 'View')) {
$paths = Configure::getInstance();
$file = Inflector::underscore($viewClass) . '.php';
foreach($paths->viewPaths as $path) {
if (file_exists($path . $file)) {
return require($path . $file);
}
}
if ($viewFile = fileExistsInPath(LIBS . 'view' . DS . $file)) {
if (file_exists($viewFile)) {
require($viewFile);
return true;
} else {
return false;
}
}
}
}
/**
* Loads a model by CamelCase name.
*/
function loadModel($name) {
$name = Inflector::underscore($name);
$paths = Configure::getInstance();
if (!class_exists('AppModel')) {
if (file_exists(APP . 'app_model.php')) {
require(APP . 'app_model.php');
} else {
require(CAKE . 'app_model.php');
}
}
foreach($paths->modelPaths as $path) {
if (file_exists($path . $name . '.php')) {
require($path . $name . '.php');
return true;
}
}
return false;
}
/**
* Loads all controllers.
*/
function loadControllers() {
$paths = Configure::getInstance();
if (!class_exists('AppController')) {
if (file_exists(APP . 'app_controller.php')) {
require(APP . 'app_controller.php');
} else {
require(CAKE . 'app_controller.php');
}
}
$loadedControllers = array();
foreach($paths->controllerPaths as $path) {
foreach(listClasses($path) as $controller) {
if (file_exists($path . $controller . '.php')) {
if (!key_exists($controller, $loadedControllers)) {
require($path . $controller . '.php');
$loadedControllers[$controller] = $controller;
}
}
}
}
}
/**
* Loads a controller and its helper libraries.
*
* @param string $name Name of controller
* @return boolean Success
*/
function loadController($name) {
$paths = Configure::getInstance();
if (!class_exists('AppController')) {
if (file_exists(APP . 'app_controller.php')) {
require(APP . 'app_controller.php');
} else {
require(CAKE . 'app_controller.php');
}
}
if ($name === null) {
return true;
}
if (!class_exists($name . 'Controller')) {
$name=Inflector::underscore($name);
foreach($paths->controllerPaths as $path) {
if (file_exists($path . $name . '_controller.php')) {
require($path . $name . '_controller.php');
return true;
}
}
if ($controller_fn = fileExistsInPath(LIBS . 'controller' . DS . $name . '_controller.php')) {
if (file_exists($controller_fn)) {
require($controller_fn);
return true;
} else {
return false;
}
}
} else {
return true;
}
}
/**
* Loads a loadPluginController.
*
* @param string $plugin Name of plugin
* @param string $controller Name of controller to load
* @return boolean Success
*/
function loadPluginController($plugin, $controller) {
$pluginAppController = Inflector::camelize($plugin . '_app_controller');
$pluginAppControllerFile = APP . 'plugins' . DS . $plugin . DS . $plugin . '_app_controller.php';
if (!class_exists($pluginAppController)) {
if (file_exists($pluginAppControllerFile)) {
require($pluginAppControllerFile);
} else {
return false;
}
}
if (empty($controller)) {
if (file_exists(APP . 'plugins' . DS . $plugin . DS . 'controllers' . DS . $plugin . '_controller.php')) {
require(APP . 'plugins' . DS . $plugin . DS . 'controllers' . DS . $plugin . '_controller.php');
return true;
}
}
if (!class_exists($controller . 'Controller')) {
$controller = Inflector::underscore($controller);
$file = APP . 'plugins' . DS . $plugin . DS . 'controllers' . DS . $controller . '_controller.php';
if (file_exists($file)) {
require($file);
return true;
} elseif (file_exists(APP . 'plugins' . DS . $plugin . DS . 'controllers' . DS . $plugin . '_controller.php')) {
require(APP . 'plugins' . DS . $plugin . DS . 'controllers' . DS . $plugin . '_controller.php');
return true;
} else {
return false;
}
} else {
return true;
}
}
/**
* Loads a helper
*
* @param string $name Name of helper
* @return boolean Success
*/
function loadHelper($name) {
$paths = Configure::getInstance();
if ($name === null) {
return true;
}
if (!class_exists($name . 'Helper')) {
$name=Inflector::underscore($name);
foreach($paths->helperPaths as $path) {
if (file_exists($path . $name . '.php')) {
require($path . $name . '.php');
return true;
}
}
if ($helper_fn = fileExistsInPath(LIBS . 'view' . DS . 'helpers' . DS . $name . '.php')) {
if (file_exists($helper_fn)) {
require($helper_fn);
return true;
} else {
return false;
}
}
} else {
return true;
}
}
/**
* Loads a plugin's helper
*
* @param string $plugin Name of plugin
* @param string $helper Name of helper to load
* @return boolean Success
*/
function loadPluginHelper($plugin, $helper) {
if (!class_exists($helper . 'Helper')) {
$helper = Inflector::underscore($helper);
$file = APP . 'plugins' . DS . $plugin . DS . 'views' . DS . 'helpers' . DS . $helper . '.php';
if (file_exists($file)) {
require($file);
return true;
} else {
return false;
}
} else {
return true;
}
}
/**
* Loads a component
*
* @param string $name Name of component
* @return boolean Success
*/
function loadComponent($name) {
$paths = Configure::getInstance();
if ($name === null) {
return true;
}
if (!class_exists($name . 'Component')) {
$name=Inflector::underscore($name);
foreach($paths->componentPaths as $path) {
if (file_exists($path . $name . '.php')) {
require($path . $name . '.php');
return true;
}
}
if ($component_fn = fileExistsInPath(LIBS . 'controller' . DS . 'components' . DS . $name . '.php')) {
if (file_exists($component_fn)) {
require($component_fn);
return true;
} else {
return false;
}
}
} else {
return true;
}
}
/**
* Loads a plugin's component
*
* @param string $plugin Name of plugin
* @param string $helper Name of component to load
* @return boolean Success
*/
function loadPluginComponent($plugin, $component) {
if (!class_exists($component . 'Component')) {
$component = Inflector::underscore($component);
$file = APP . 'plugins' . DS . $plugin . DS . 'controllers' . DS . 'components' . DS . $component . '.php';
if (file_exists($file)) {
require($file);
return true;
} else {
return false;
}
} else {
return true;
}
}
/**
* Returns an array of filenames of PHP files in given directory.
*
* @param string $path Path to scan for files
* @return array List of files in directory
*/
function listClasses($path) {
$dir = opendir($path);
$classes=array();
while(false !== ($file = readdir($dir))) {
if ((substr($file, -3, 3) == 'php') && substr($file, 0, 1) != '.') {
$classes[] = $file;
}
}
closedir($dir);
return $classes;
}
/**
* Loads configuration files
*
* @return boolean Success
*/
function config() {
$args = func_get_args();
foreach($args as $arg) {
if (('database' == $arg) && file_exists(CONFIGS . $arg . '.php')) {
include_once(CONFIGS . $arg . '.php');
} elseif (file_exists(CONFIGS . $arg . '.php')) {
include_once(CONFIGS . $arg . '.php');
if (count($args) == 1) {
return true;
}
} else {
if (count($args) == 1) {
return false;
}
}
}
return true;
}
/**
* Loads component/components from LIBS.
*
* Example:
* <code>
* uses('flay', 'time');
* </code>
*
* @uses LIBS
*/
function uses() {
$args = func_get_args();
foreach($args as $arg) {
require_once(LIBS . strtolower($arg) . '.php');
}
}
/**
* Require given files in the VENDORS directory. Takes optional number of parameters.
*
* @param string $name Filename without the .php part.
*
*/
function vendor($name) {
$args = func_get_args();
foreach($args as $arg) {
if (file_exists(APP . 'vendors' . DS . $arg . '.php')) {
require_once(APP . 'vendors' . DS . $arg . '.php');
} else {
require_once(VENDORS . $arg . '.php');
}
}
}
/**
* Prints out debug information about given variable.
*
* Only runs if DEBUG level is non-zero.
*
* @param boolean $var Variable to show debug information for.
* @param boolean $show_html If set to true, the method prints the debug data in a screen-friendly way.
*/
function debug($var = false, $showHtml = false) {
if (DEBUG) {
print "\n<pre class=\"cake_debug\">\n";
ob_start();
print_r($var);
$var = ob_get_clean();
if ($showHtml) {
$var = str_replace('<', '&lt;', str_replace('>', '&gt;', $var));
}
print "{$var}\n</pre>\n";
}
}
/**
* Returns microtime for execution time checking
*
* @return integer
*/
if (!function_exists('getMicrotime')) {
function getMicrotime() {
list($usec, $sec) = explode(" ", microtime());
return ((float)$usec + (float)$sec);
}
}
/**
* Sorts given $array by key $sortby.
*
* @param array $array
* @param string $sortby
* @param string $order Sort order asc/desc (ascending or descending).
* @param integer $type
* @return mixed
*/
if (!function_exists('sortByKey')) {
function sortByKey(&$array, $sortby, $order = 'asc', $type = SORT_NUMERIC) {
if (!is_array($array)) {
return null;
}
foreach($array as $key => $val) {
$sa[$key] = $val[$sortby];
}
if ($order == 'asc') {
asort($sa, $type);
} else {
arsort($sa, $type);
}
foreach($sa as $key => $val) {
$out[] = $array[$key];
}
return $out;
}
}
/**
* Combines given identical arrays by using the first array's values as keys,
* and the second one's values as values. (Implemented for back-compatibility with PHP4)
*
* @param array $a1
* @param array $a2
* @return mixed Outputs either combined array or false.
*/
if (!function_exists('array_combine')) {
function array_combine($a1, $a2) {
$a1 = array_values($a1);
$a2 = array_values($a2);
$c1 = count($a1);
$c2 = count($a2);
if ($c1 != $c2) {
return false;
}
if ($c1 <= 0) {
return false;
}
$output=array();
for($i = 0; $i < $c1; $i++) {
$output[$a1[$i]] = $a2[$i];
}
return $output;
}
}
/**
* Convenience method for htmlspecialchars.
*
* @param string $text
* @return string
*/
function h($text) {
return htmlspecialchars($text);
}
/**
* Returns an array of all the given parameters.
*
* Example:
* <code>
* a('a', 'b')
* </code>
*
* Would return:
* <code>
* array('a', 'b')
* </code>
*
* @return array
*/
function a() {
$args = func_get_args();
return $args;
}
/**
* Constructs associative array from pairs of arguments.
*
* Example:
* <code>
* aa('a','b')
* </code>
*
* Would return:
* <code>
* array('a'=>'b')
* </code>
*
* @return array
*/
function aa() {
$args = func_get_args();
for($l = 0, $c = count($args); $l < $c; $l++) {
if ($l + 1 < count($args)) {
$a[$args[$l]] = $args[$l + 1];
} else {
$a[$args[$l]] = null;
}
$l++;
}
return $a;
}
/**
* Convenience method for echo().
*
* @param string $text String to echo
*/
function e($text) {
echo $text;
}
/**
* Convenience method for strtolower().
*
* @param string $str String to lowercase
*/
function low($str) {
return strtolower($str);
}
/**
* Convenience method for strtoupper().
*
* @param string $str String to uppercase
*/
function up($str) {
return strtoupper($str);
}
/**
* Convenience method for str_replace().
*
* @param string $search String to be replaced
* @param string $replace String to insert
* @param string $subject String to search
*/
function r($search, $replace, $subject) {
return str_replace($search, $replace, $subject);
}
/**
* Print_r convenience function, which prints out <PRE> tags around
* the output of given array. Similar to debug().
*
* @see debug()
* @param array $var
*/
function pr($var) {
if (DEBUG > 0) {
echo "<pre>";
print_r($var);
echo "</pre>";
}
}
/**
* Display parameter
*
* @param mixed $p Parameter as string or array
* @return string
*/
function params($p) {
if (!is_array($p) || count($p) == 0) {
return null;
} else {
if (is_array($p[0]) && count($p) == 1) {
return $p[0];
} else {
return $p;
}
}
}
/**
* Merge a group of arrays
*
* @param array First array
* @param array Second array
* @param array Third array
* @param array Etc...
* @return array All array parameters merged into one
*/
function am() {
$r = array();
foreach(func_get_args()as $a) {
if (!is_array($a)) {
$a = array($a);
}
$r = array_merge($r, $a);
}
return $r;
}
/**
* Returns the REQUEST_URI from the server environment, or, failing that,
* constructs a new one, using the PHP_SELF constant and other variables.
*
* @return string URI
*/
function setUri() {
if (env('HTTP_X_REWRITE_URL')) {
$uri = env('HTTP_X_REWRITE_URL');
} elseif(env('REQUEST_URI')) {
$uri = env('REQUEST_URI');
} else {
if (env('argv')) {
$uri = env('argv');
if (defined('SERVER_IIS')) {
$uri = BASE_URL . $uri[0];
} else {
$uri = env('PHP_SELF') . '/' . $uri[0];
}
} else {
$uri = env('PHP_SELF') . '/' . env('QUERY_STRING');
}
}
return $uri;
}
/**
* Gets an environment variable from available sources.
* Used as a backup if $_SERVER/$_ENV are disabled.
*
* @param string $key Environment variable name.
* @return string Environment variable setting.
*/
function env($key) {
if (isset($_SERVER[$key])) {
return $_SERVER[$key];
} elseif (isset($_ENV[$key])) {
return $_ENV[$key];
} elseif (getenv($key) !== false) {
return getenv($key);
}
if ($key == 'DOCUMENT_ROOT') {
$offset=0;
if (!strpos(env('SCRIPT_NAME'), '.php')) {
$offset = 4;
}
return substr(env('SCRIPT_FILENAME'), 0, strlen(env('SCRIPT_FILENAME')) - (strlen(env('SCRIPT_NAME')) + $offset));
}
if ($key == 'PHP_SELF') {
return r(env('DOCUMENT_ROOT'), '', env('SCRIPT_FILENAME'));
}
return null;
}
/**
* Returns contents of a file as a string.
*
* @param string $fileName Name of the file.
* @param boolean $useIncludePath Wheter the function should use the include path or not.
* @return mixed Boolean false or contents of required file.
*/
if (!function_exists('file_get_contents')) {
function file_get_contents($fileName, $useIncludePath = false) {
$res=fopen($fileName, 'rb', $useIncludePath);
if ($res === false) {
trigger_error('file_get_contents() failed to open stream: No such file or directory', E_USER_WARNING);
return false;
}
clearstatcache();
if ($fileSize = @filesize($fileName)) {
$data = fread($res, $fileSize);
} else {
$data = '';
while(!feof($res)) {
$data .= fread($res, 8192);
}
}
return "$data\n";
}
}
/**
* Writes data into file.
*
* If file exists, it will be overwritten. If data is an array, it will be join()ed with an empty string.
*
* @param string $fileName File name.
* @param mixed $data String or array.
*/
if (!function_exists('file_put_contents')) {
function file_put_contents($fileName, $data) {
if (is_array($data)) {
$data = join('', $data);
}
$res = @fopen($fileName, 'w+b');
if ($res) {
@fwrite($res, $data);
}
}
}
/**
* Reads/writes temporary data to cache files or session.
*
* @param string $path File path within /tmp to save the file.
* @param mixed $data The data to save to the temporary file.
* @param mixed $expires A valid strtotime string when the data expires.
* @param string $target The target of the cached data; either 'cache' or 'public'.
* @return mixed The contents of the temporary file.
*/
function cache($path, $data = null, $expires = '+1 day', $target = 'cache') {
if (!is_numeric($expires)) {
$expires = strtotime($expires);
}
switch(strtolower($target)) {
case 'cache':
$filename = CACHE . $path;
break;
case 'public':
$filename = WWW_ROOT . $path;
break;
}
$now = time();
$timediff=$expires - $now;
$filetime=@filemtime($filename);
if ($data == null) {
// Read data from file
if (file_exists($filename) && $filetime !== false) {
if ($filetime + $timediff < $now) {
// File has expired
@unlink($filename);
} else {
$data = file_get_contents($filename);
}
}
} else {
file_put_contents($filename, $data);
}
return $data;
}
/**
* Used to delete files in the cache directories, or clear contents of cache directories
*
* @param mixed $params As String name to be searched for deletion, if name is a directory all files in directory will be deleted.
* If array, names to be searched for deletion.
* If clearCache() without params, all files in app/tmp/cache/views will be deleted
*
* @param string $type Directory in tmp/cache defaults to view directory
* @param string $ext The file extension you are deleting
* @return true if files found and deleted false otherwise
*/
function clearCache($params = null, $type = 'views', $ext = '.php') {
if (is_string($params) || $params === null) {
$params = preg_replace('/\/\//', '/', $params);
$cache = CACHE . $type . DS . $params;
if (is_file($cache . $ext)) {
@unlink($cache . $ext);
return true;
} else if(is_dir($cache)) {
$files = glob("$cache*");
if ($files === false) {
return false;
}
foreach($files as $file) {
if (is_file($file)) {
@unlink($file);
}
}
return true;
} else {
$cache = CACHE . $type . DS . '*' . $params . '*' . $ext;
$files = glob($cache);
if ($files === false) {
return false;
}
foreach($files as $file) {
if (is_file($file)) {
@unlink($file);
}
}
return true;
}
} elseif (is_array($params)) {
foreach($params as $key => $file) {
$file = preg_replace('/\/\//', '/', $file);
$cache = CACHE . $type . DS . '*' . $file . '*' . $ext;
$files[] = glob($cache);
}
if (!empty($files)) {
foreach($files as $key => $delete) {
if (is_array($delete)) {
foreach($delete as $file) {
if (is_file($file)) {
@unlink($file);
}
}
}
}
return true;
} else {
return false;
}
} else {
return false;
}
}
/**
* Recursively strips slashes from all values in an array
*
* @param unknown_type $value
* @return unknown
*/
function stripslashes_deep($value) {
if (is_array($value)) {
$return = array_map('stripslashes_deep', $value);
return $return;
} else {
$return = stripslashes($value);
return $return ;
}
}
/**
* Returns a translated string if one is found,
* or the submitted message if not found.
*
* @param unknown_type $msg
* @param unknown_type $return
* @return unknown
* @todo Not implemented fully till 2.0
*/
function __($msg, $return = null) {
if (is_null($return)) {
echo($msg);
} else {
return $msg;
}
}
/**
* Counts the dimensions of an array
*
* @param array $array
* @return int The number of dimensions in $array
*/
function countdim($array) {
if (is_array(reset($array))) {
$return = countdim(reset($array)) + 1;
} else {
$return = 1;
}
return $return;
}
/**
* Shortcut to Log::write.
*/
function LogError($message) {
if (!class_exists('CakeLog')) {
uses('cake_log');
}
$bad = array("\n", "\r", "\t");
$good = ' ';
CakeLog::write('error', str_replace($bad, $good, $message));
}
/**
* Searches include path for files
*
* @param string $file
* @return Full path to file if exists, otherwise false
*/
function fileExistsInPath($file) {
$paths = explode(PATH_SEPARATOR, ini_get('include_path'));
foreach($paths as $path) {
$fullPath = $path . DIRECTORY_SEPARATOR . $file;
if (file_exists($fullPath)) {
return $fullPath;
} elseif (file_exists($file)) {
return $file;
}
}
return false;
}
/**
* Convert forward slashes to underscores and removes first and last underscores in a string
*
* @param string
* @return string with underscore remove from start and end of string
*/
function convertSlash($string) {
$string = preg_replace('/\/\//', '/', $string);
$string = str_replace('/', '_', $string);
$pos = strpos($string, '_');
$pos1 = strrpos($string, '_');
$char = strlen($string) - 1;
if ($pos1 == $char) {
$string = substr($string, 0, $char);
}
if ($pos === 0) {
$string = substr($string, 1);
}
return $string;
}
/**
* chmod recursively on a directory
*
* @param string $path
* @param int $mode
* @return boolean
*/
function chmodr($path, $mode = 0755) {
if (!is_dir($path)) {
return chmod($path, $mode);
}
$dir = opendir($path);
while($file = readdir($dir)) {
if ($file != '.' && $file != '..') {
$fullpath = $path . '/' . $file;
if (!is_dir($fullpath)) {
if (!chmod($fullpath, $mode)) {
return false;
}
} else {
if (!chmodr($fullpath, $mode)) {
return false;
}
}
}
}
closedir($dir);
if (chmod($path, $mode)) {
return true;
} else {
return false;
}
}
/**
* removed the plugin name from the base url
*
* @param string $base
* @param string $plugin
* @return base url with plugin name removed if present
*/
function strip_plugin($base, $plugin){
if ($plugin != null) {
$base = preg_replace('/' . $plugin . '/', '', $base);
$base = str_replace('//', '', $base);
$pos1 = strrpos($base, '/');
$char = strlen($base) - 1;
if ($pos1 == $char) {
$base = substr($base, 0, $char);
}
}
return $base;
}
?>