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ENHANCEMENT #3032 ajshort: Use static methods for accessing static data

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git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@73036 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Sam Minnee 2009-03-14 00:16:32 +00:00
parent fbabb9b31f
commit 41fb93b344
9 changed files with 1032 additions and 726 deletions
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4
core/Core.php
View File

@ -93,8 +93,8 @@ if(!isset($_SERVER['HTTP_HOST'])) {
/**
* Define system paths
*/
define('BASE_PATH', dirname(dirname($_SERVER['SCRIPT_FILENAME'])));
define('BASE_URL', dirname(dirname($_SERVER['SCRIPT_NAME'])));
define('BASE_PATH', rtrim(dirname(dirname($_SERVER['SCRIPT_FILENAME'])), DIRECTORY_SEPARATOR));
define('BASE_URL', rtrim(dirname(dirname($_SERVER['SCRIPT_NAME'])), DIRECTORY_SEPARATOR));
define('MODULES_DIR', 'modules');
define('MODULES_PATH', BASE_PATH . '/' . MODULES_DIR);
define('THIRDPARTY_DIR', 'jsparty');

1189
core/Object.php
View File

@ -1,629 +1,728 @@
<?php
/**
* Base object that all others should inherit from.
* This object provides a number of helper methods that patch over PHP's deficiencies.
*
* A base class for all sapphire objects to inherit from
*
* This class provides a number of pattern implementations, as well as methods and fixes to add extra psuedo-static
* and method functionality to PHP
*
* @package sapphire
* @subpackage core
*/
class Object {
abstract class Object {
/**
* @var string $class
* An array of extension names and parameters to be applied to this object upon construction. For example:
*
* <code>
* public static $extensions = array (
* 'Hierachy',
* "Version('Stage', 'Live')"
* );
* </code>
*
* @var array
*/
public static $extensions = null;
// -----------------------------------------------------------------------------------------------------------------
/**#@+
* @var array
*/
private static
$statics = array(),
$cached_statics = array(),
$extra_statics = array(),
$replaced_statics = array();
private static
$classes_constructed = array(),
$extra_methods = array(),
$built_in_methods = array();
private static
$custom_classes = array(),
$strong_classes = array();
/**#@-*/
// -----------------------------------------------------------------------------------------------------------------
/**
* @var string the class name
*/
public $class;
/**
* @var array $statics
*/
protected static $statics = array();
/**
* @var array $static_cached
*/
protected static $static_cached = array();
/**
* This DataObjects extensions, eg Versioned.
* @var array
* @var array all current extension instances
*/
protected $extension_instances = array();
/**
* Extensions to be used on this object. An array of extension names
* and parameters eg:
*
* static $extensions = array(
* "Hierarchy",
* "Versioned('Stage', 'Live')",
* );
*
* @var array
*/
public static $extensions = null;
/**
* @var array $extraStatics
*/
protected static $extraStatics = array();
// -----------------------------------------------------------------------------------------------------------------
/**
* @var array $classConstructed
* An implementation of the factory method, allows you to create an instance of a class
*
* This method first for strong class overloads (singletons & DB interaction), then custom class overloads. If an
* overload is found, an instance of this is returned rather than the original class. To overload a class, use
* {@link Object::useCustomClass()}
*
* @param string $class the class name
* @param mixed $arguments,... arguments to pass to the constructor
* @return Object
*/
protected static $classConstructed = array();
/**
* @var array $extraMethods
*/
protected static $extraMethods = array();
public static function create() {
$args = func_get_args();
$class = self::getCustomClass(array_shift($args));
if(version_compare(PHP_VERSION, '5.1.3', '>=')) {
$reflector = new ReflectionClass($class);
return $reflector->newInstanceArgs($args);
} else {
// we're using a PHP install that doesn't support ReflectionClass->newInstanceArgs()
$args = $args + array_fill(0, 9, null);
return new $class($args[0], $args[1], $args[2], $args[3], $args[4], $args[5], $args[6], $args[7], $args[8]);
}
}
/**
* @var array $builtInMethods
* Similar to {@link Object::create()}, except that classes are only overloaded if you set the $strong parameter to
* TRUE when using {@link Object::useCustomClass()}
*
* @param string $class the class name
* @param mixed $arguments,... arguments to pass to the constructor
* @return Object
*/
protected static $builtInMethods = array();
/**
* @var array $custom_classes Use the class in the value instead of the class in the key
*/
private static $custom_classes = array();
/**
* @var array $strong_classes
*/
private static $strong_classes = array();
public static function strong_create() {
$args = func_get_args();
$class = array_shift($args);
if(isset(self::$strong_classes[$class]) && ClassInfo::exists(self::$strong_classes[$class])) {
$class = self::$strong_classes[$class];
}
if(version_compare(PHP_VERSION, '5.1.3', '>=')) {
$reflector = new ReflectionClass($class);
return $reflector->newInstanceArgs($args);
} else {
$args = $args + array_fill(0, 9, null);
return new $class($args[0], $args[1], $args[2], $args[3], $args[4], $args[5], $args[6], $args[7], $args[8]);
}
}
/**
* @var array $uninherited_statics
* This class allows you to overload classes with other classes when they are constructed using the factory method
* {@link Object::create()}
*
* @param string $oldClass the class to replace
* @param string $newClass the class to replace it with
* @param bool $strong allows you to enforce a certain class replacement under all circumstances. This is used in
* singletons and DB interaction classes
*/
private static $uninherited_statics = array();
function __construct() {
$this->class = get_class($this);
// Set up the extensions
if($extensions = $this->stat('extensions')) {
foreach($extensions as $extension) {
public static function useCustomClass($oldClass, $newClass, $strong = false) {
if($strong) {
self::$strong_classes[$oldClass] = $newClass;
} else {
self::$custom_classes[$oldClass] = $newClass;
}
}
/**
* If a class has been overloaded, get the class name it has been overloaded with - otherwise return the class name
*
* @param string $class the class to check
* @return string the class that would be created if you called {@link Object::create()} with the class
*/
public static function getCustomClass($class) {
if(isset(self::$strong_classes[$class]) && ClassInfo::exists(self::$strong_classes[$class])) {
return self::$strong_classes[$class];
} elseif(isset(self::$custom_classes[$class]) && ClassInfo::exists(self::$custom_classes[$class])) {
return self::$custom_classes[$class];
}
return $class;
}
/**
* Get a static variable, taking into account SS's inbuild static caches and pseudo-statics
*
* This method first checks for any extra values added by {@link Object::add_static_var()}, and attemps to traverse
* up the extra static var chain until it reaches the top, or it reaches a replacement static.
*
* If any extra values are discovered, they are then merged with the default PHP static values, or in some cases
* completely replace the default PHP static when you set $replace = true, and do not define extra data on any child
* classes
*
* @param string $class
* @param string $name the property name
* @param bool $uncached if set to TRUE, force a regeneration of the static cache
* @return mixed
*/
public static function get_static($class, $name, $uncached = false) {
if(!isset(self::$cached_statics[$class][$name]) || $uncached) {
$extra = $builtIn = $break = $replacedAt = false;
$ancestry = array_reverse(ClassInfo::ancestry($class));
// traverse up the class tree and build extra static and stop information
foreach($ancestry as $ancestor) {
if(isset(self::$extra_statics[$ancestor][$name])) {
$toMerge = self::$extra_statics[$ancestor][$name];
if(is_array($toMerge) && is_array($extra)) {
$extra = array_merge($toMerge, $extra);
} elseif(!$extra) {
$extra = $toMerge;
} else {
$break = true;
}
if(isset(self::$replaced_statics[$ancestor][$name])) $replacedAt = $break = $ancestor;
if($break) break;
}
}
// check whether to merge in the default value
if($replacedAt && ($replacedAt == $class || !is_array($extra))) {
$value = $extra;
} elseif($replacedAt) {
// determine whether to merge in lower-class variables
$ancestorRef = new ReflectionClass(reset($ancestry));
$ancestorProps = $ancestorRef->getStaticProperties();
$ancestorInbuilt = array_key_exists($name, $ancestorProps) ? $ancestorProps[$name] : null;
$replacedRef = new ReflectionClass($replacedAt);
$replacedProps = $replacedRef->getStaticProperties();
$replacedInbuilt = array_key_exists($name, $replacedProps) ? $replacedProps[$name] : null;
if($ancestorInbuilt != $replacedInbuilt) {
$value = is_array($ancestorInbuilt) ? array_merge($ancestorInbuilt, (array) $extra) : $extra;
} else {
$value = $extra;
}
} else {
// get a built-in value
$reflector = new ReflectionClass($class);
$props = $reflector->getStaticProperties();
$inbuilt = array_key_exists($name, $props) ? $props[$name] : null;
$value = isset($extra) && is_array($extra) ? array_merge($extra, (array) $inbuilt) : $inbuilt;
}
self::$cached_statics[$class][$name] = true;
self::$statics[$class][$name] = $value;
}
return self::$statics[$class][$name];
}
/**
* Set a static variable
*
* @param string $class
* @param string $name the property name to set
* @param mixed $value
*/
public static function set_static($class, $name, $value) {
self::$statics[$class][$name] = $value;
self::$cached_statics[$class][$name] = true;
}
/**
* Get an uninherited static variable - a variable that is explicity set in this class, and not in the parent class
*
* @param string $class
* @param string $name
* @return mixed
*/
public static function uninherited_static($class, $name) {
$inherited = self::get_static($class, $name);
$parent = null;
if($parentClass = get_parent_class($class)) {
$parent = self::get_static($parentClass, $name);
}
if(is_array($inherited) && is_array($parent)) {
return array_diff_assoc($inherited, $parent);
}
return ($inherited != $parent) ? $inherited : null;
}
/**
* Merge in a set of additional static variables
*
* @param string $class
* @param array $properties in a [property name] => [value] format
* @param bool $replace replace existing static vars
*/
public static function addStaticVars($class, $properties, $replace = false) {
foreach($properties as $prop => $value) self::add_static_var($class, $prop, $value, $replace);
}
/**
* Add a static variable without replacing it completely if possible, but merging in with both existing PHP statics
* and existing psuedo-statics
*
* @param string $class
* @param string $name the static name
* @param mixed $value
* @param bool $replace completely replace existing static values
*/
public static function add_static_var($class, $name, $value, $replace = false) {
if(is_array($value) && isset(self::$extra_statics[$class][$name]) && !$replace) {
self::$extra_statics[$class][$name] = array_merge_recursive(self::$extra_statics[$class][$name], $value);
} else {
self::$extra_statics[$class][$name] = $value;
}
if ($replace) {
self::set_static($class, $name, $value);
self::$replaced_statics[$class][$name] = true;
} else {
self::$cached_statics[$class][$name] = null;
}
}
/**
* Return TRUE if a class has a specified extension
*
* @param string $class
* @param string $requiredExtension the class name of the extension to check for
*/
public static function has_extension($class, $requiredExtension) {
$requiredExtension = strtolower($requiredExtension);
if($extensions = self::get_static($class, 'extensions')) foreach($extensions as $extension) {
if(($p = strpos($extension, '(')) !== false) $extension = substr($extension, 0, $p);
if(strtolower($extension) == $requiredExtension) return true;
}
return false;
}
/**
* Add an extension to a specific class
*
* @param string $class
* @param string $extension the extension to add to the class
*/
public static function add_extension($class, $extension) {
self::$cached_statics[$class]['extensions'] = null;
self::add_static_var($class, 'extensions', array($extension));
}
/**
* Remove an extension from a class
*
* @param string $class
* @param string $extension
*/
public static function remove_extension($class, $extension) {
if(self::has_extension($class, $extension)) {
self::set_static (
$class,
'extensions',
array_diff(self::get_static($class, 'extensions'), array($extension))
);
}
}
// -----------------------------------------------------------------------------------------------------------------
public function __construct() {
$this->class = get_class($this);
if($extensionClasses = ClassInfo::ancestry($this->class)) foreach($extensionClasses as $class) {
if($extensions = self::uninherited_static($class, 'extensions')) foreach($extensions as $extension) {
$instance = eval("return new $extension;");
$instance->setOwner($this);
$this->extension_instances[$instance->class] = $instance;
}
}
if(!isset(Object::$classConstructed[$this->class])) {
if(!isset(self::$classes_constructed[$this->class])) {
$this->defineMethods();
Object::$classConstructed[$this->class] = true;
self::$classes_constructed[$this->class] = true;
}
}
/**
* Calls a method.
* Extra methods can be hooked to a class using
*/
public function __call($methodName, $args) {
$lowerMethodName = strtolower($methodName);
if(isset(Object::$extraMethods[$this->class][$lowerMethodName])) {
$config = Object::$extraMethods[$this->class][$lowerMethodName];
if(isset($config['parameterName'])) {
if(isset($config['arrayIndex'])) $obj = $this->{$config['parameterName']}[$config['arrayIndex']];
else $obj = $this->{$config['parameterName']};
if($obj) {
return call_user_func_array(array(&$obj, $methodName), $args);
} else {
if($this->destroyed) user_error("Attempted to call $methodName on destroyed '$this->class' object", E_USER_ERROR);
else user_error("'$this->class' object doesn't have a parameter $config[parameterName]($config[arrayIndex]) to pass control to. Perhaps this object has been mistakenly destroyed?", E_USER_WARNING);
}
} else if(isset($config['wrap'])) {
array_unshift($args, $config['methodName']);
return call_user_func_array(array(&$this, $config['wrap']), $args);
} else if(isset($config['function'])) {
$function = $config['function'];
return $function($this, $args);
} else if($config['function_str']) {
$function = Object::$extraMethods[$this->class][strtolower($methodName)]['function'] = create_function('$obj, $args', $config['function_str']);
return $function($this, $args);
} else {
user_error("Object::__call() Method '$methodName' in class '$this->class' an invalid format: " . var_export(Object::$extraMethods[$this->class][$methodName],true), E_USER_ERROR);
}
} else {
user_error("Object::__call() Method '$methodName' not found in class '$this->class'", E_USER_ERROR);
}
}
/**
* This function allows you to overload class creation methods, so certain classes are
* always created correctly over your system.
* Attemps to locate and call a method dynamically added to a class at runtime if a default cannot be located
*
* @param oldClass = the old classname you want to replace with.
* @param customClass = the new Classname you wish to replace the old class with.
* @param strong - If you want to force a replacement of a class then we use a different array
* e.g for use in singleton classes.
*/
public static function useCustomClass( $oldClass, $customClass,$strong = false ) {
if($strong){
self::$strong_classes[$oldClass] = $customClass;
}else{
self::$custom_classes[$oldClass] = $customClass;
}
}
public static function getCustomClass( $oldClass ) {
if( array_key_exists($oldClass, self::$custom_classes) )
return self::$custom_classes[$oldClass];
else{
return $oldClass;
}
}
/**
* Create allows us to override the standard classes of sapphire with our own custom classes.
* create will load strong classes firstly for singleton level and database interaction, otherwise will
* use the fallback custom classes.
* To set a strong custom class to overide an object at for say singleton use, use the syntax
* Object::useCustomClass('Datetime','SSDatetime',true);
* @param className - The classname you want to create
* @param args - Up to 9 arguments you wish to pass on to the new class
*/
public static function create( $className, $arg0 = null, $arg1 = null, $arg2 = null, $arg3 = null, $arg4 = null, $arg5 = null, $arg6 = null, $arg7 = null, $arg8 = null ) {
$useStrongClassName = isset(self::$strong_classes[$className]);
$useClassName = isset(self::$custom_classes[$className]);
if($useStrongClassName){
$classToCreate = self::$strong_classes[$className];
}elseif($useClassName){
$classToCreate = self::$custom_classes[$className];
}
$hasStrong = isset(self::$strong_classes[$className]) && class_exists(self::$strong_classes[$className]);
$hasNormal = isset(self::$custom_classes[$className]) && class_exists(self::$custom_classes[$className]);
if( !isset($classToCreate) || (!$hasStrong && !$hasNormal)){
$classToCreate = $className;
}
return new $classToCreate( $arg0, $arg1, $arg2, $arg3, $arg4, $arg5, $arg6, $arg7, $arg8 );
}
/**
* Strong_create is a function to enforce a certain class replacement
* e.g Php5.2's latest introduction of a namespace conflict means we have to replace
* all instances of Datetime with SSdatetime.
* this allows us to seperate those, and sapphires classes
* @param className - The class you wish to create.
* @param args - pass up to 8 arguments to the created class.
*/
public static function strong_create( $className, $arg0 = null, $arg1 = null, $arg2 = null, $arg3 = null, $arg4 = null, $arg5 = null, $arg6 = null, $arg7 = null, $arg8 = null ) {
$useStrongClassName = isset(self::$strong_classes[$className]);
if($useStrongClassName){
$classToCreate = self::$strong_classes[$className];
}
if( !isset($classToCreate) || !class_exists( self::$strong_classes[$className])){
$classToCreate = $className;
}
return new $classToCreate( $arg0, $arg1, $arg2, $arg3, $arg4, $arg5, $arg6, $arg7, $arg8 );
}
/**
* Returns true if the given method exists.
*/
public function hasMethod($methodName) {
if(method_exists($this, $methodName)) return true;
$methodName = strtolower($methodName);
if(!isset($this->class)) $this->class = get_class($this);
/*
if(!isset(Object::$builtInMethods['_set'][$this->class])) $this->buildMethodList();
if(isset(Object::$builtInMethods[$this->class][$methodName])) return true;
*/
if(isset(Object::$extraMethods[$this->class][$methodName])) return true;
return false;
}
/**
* Add the all methods from a given parameter to this object.
* This is used for extensions.
* @param parameterName The name of the parameter. This parameter must be instanciated with an item of the correct class.
* @param arrayIndex If parameterName is an array, this can be an index. If null, we'll assume the value is all that is needed.
*/
protected function addMethodsFrom($parameterName, $arrayIndex = null) {
$obj = isset($arrayIndex) ? $this->{$parameterName}[$arrayIndex] : $this->$parameterName;
if(!$obj) user_error("Object::addMethodsFrom: $parameterName/$arrayIndex", E_USER_ERROR);
// Hack to fix Fatal error: Call to undefined method stdClass::allMethodNames()
if(method_exists($obj, 'allMethodNames')) {
$methodNames = $obj->allMethodNames(true);
foreach($methodNames as $methodName) {
Object::$extraMethods[$this->class][strtolower($methodName)] = array("parameterName" => $parameterName, "arrayIndex" => $arrayIndex);
}
}
}
/**
* Add a 'wrapper method'.
* For example, Thumbnail($arg, $arg) can be defined to call generateImage("Thumbnail", $arg, $arg)
*/
protected function addWrapperMethod($methodName, $wrapperMethod) {
Object::$extraMethods[$this->class][strtolower($methodName)] = array("wrap" => $wrapperMethod, "methodName" => $methodName);
}
/**
* Create a new method
* @param methodName The name of the method
* @param methodCode The PHP code of the method, in a string. Arguments will be contained
* in an array called $args. The object will be $obj, not $this. You won't be able to access
* any protected methods; the method is actually contained in an external function.
*/
protected function createMethod($methodName, $methodCode) {
Object::$extraMethods[$this->class][strtolower($methodName)] = array("function_str" => $methodCode);
}
/**
* Return the names of all the methods on this object.
* param includeCustom If set to true, then return custom methods too.
*/
function allMethodNames($includeCustom = false) {
if(!$this->class) $this->class = get_class($this);
if(!isset(Object::$builtInMethods['_set'][$this->class])) $this->buildMethodList();
if($includeCustom && isset(Object::$extraMethods[$this->class])) {
return array_merge(Object::$builtInMethods[$this->class], array_keys(Object::$extraMethods[$this->class]));
} else {
return Object::$builtInMethods[$this->class];
}
}
function buildMethodList() {
if(!$this->class) $this->class = get_class($this);
$reflection = new ReflectionClass($this->class);
$methods = $reflection->getMethods();
foreach($methods as $method) {
$name = $method->getName();
$methodNames[strtolower($name)] = $name;
}
Object::$builtInMethods[$this->class] = $methodNames;
Object::$builtInMethods['_set'][$this->class] = true;
}
/**
* This constructor will be called the first time an object of this class is created.
* You can overload it with methods for setting up the class - for example, extra methods.
*/
protected function defineMethods() {
if($this->extension_instances) foreach($this->extension_instances as $i => $instance) {
$this->addMethodsFrom('extension_instances', $i);
}
if(isset($_REQUEST['debugmethods']) && isset(Object::$builtInMethods[$this->class])) {
Debug::require_developer_login();
echo "<h2>Methods defined for $this->class</h2>";
foreach(Object::$builtInMethods[$this->class] as $name => $info) {
echo "<li>$name";
}
}
}
/**
* This method lets us extend a built-in class by adding pseudo-static variables to it.
*
* @param string $class Classname
* @param array $statics Statics to add, with keys being static property names on the class
* @param boolean $replace Replace the whole variable instead of merging arrays
*/
static function addStaticVars($class, $statics, $replace = false) {
if(empty(Object::$extraStatics[$class])) {
Object::$extraStatics[$class] = (array)$statics;
} elseif($replace) {
Object::$extraStatics[$class] = $statics;
} else {
$ar1 = (array)Object::$extraStatics[$class];
$ar2 = (array)$statics;
Object::$extraStatics[$class] = array_merge_recursive($ar1, $ar2);
}
}
/**
* Set an uninherited static variable
*/
function set_uninherited($name, $val) {
return Object::$uninherited_statics[$this->class][$name] = $val;
}
/**
* Get an uninherited static variable
*/
function uninherited($name, $builtIn = false) {
// Copy a built-in value into our own array cache. PHP's static variable support is shit.
if($builtIn) {
$val = $this->stat($name);
$val2 = null;
// isset() can handle the case where a variable isn't defined; more reliable than reflection
$propertyName = get_parent_class($this) . "::\$$name";
$val2 = eval("return isset($propertyName) ? $propertyName : null;");
return ($val != $val2) ? $val : null;
}
return isset(Object::$uninherited_statics[$this->class][$name]) ? Object::$uninherited_statics[$this->class][$name] : null;
}
/**
* Get a static variable.
*
* @param string $name
* @param boolean $uncached
* You can add extra methods to a class using {@link Extensions}, {@link Object::createMethod()} or
* {@link Object::addWrapperMethod()}
*
* @param string $method
* @param array $arguments
* @return mixed
*/
function stat($name, $uncached = false) {
if(!$this->class) $this->class = get_class($this);
if(!isset(Object::$static_cached[$this->class][$name]) || $uncached) {
$classes = ClassInfo::ancestry($this->class);
foreach($classes as $class) {
if(isset(Object::$extraStatics[$class][$name])) {
$extra = Object::$extraStatics[$class][$name];
if(!is_array($extra)) return $extra;
break;
}
public function __call($method, $arguments) {
$method = strtolower($method);
if(isset(self::$extra_methods[$this->class][$method])) {
$config = self::$extra_methods[$this->class][$method];
switch(true) {
case isset($config['property']) :
$obj = $config['index'] !== null ?
$this->{$config['property']}[$config['index']] :
$this->{$config['property']};
if($obj) return call_user_func_array(array($obj, $method), $arguments);
if($this->destroyed) {
throw new Exception (
"Object->__call(): attempt to call $method on a destroyed $this->class object"
);
} else {
throw new Exception (
"Object->__call(): $this->class cannot pass control to $config[property]($config[index])." .
' Perhaps this object was mistakenly destroyed?'
);
}
case isset($config['wrap']) :
array_unshift($arguments, $config['method']);
return call_user_func_array(array($this, $config['wrap']), $arguments);
case isset($config['function']) :
return $config['function']($this, $arguments);
default :
throw new Exception (
"Object->__call(): extra method $method is invalid on $this->class:" . var_export($config, true)
);
}
$stat = eval("return {$this->class}::\$$name;");
Object::$statics[$this->class][$name] = isset($extra) ? array_merge($extra, (array)$stat) : $stat;
Object::$static_cached[$this->class][$name] = true;
} else {
throw new Exception("Object->__call(): the method '$method' does not exist on '$this->class'");
}
return Object::$statics[$this->class][$name];
}
// -----------------------------------------------------------------------------------------------------------------
/**
* Set a static variable
* Return TRUE if a method exists on this object
*
* This should be used rather than PHP's inbuild method_exists() as it takes into account methods added via
* extensions
*
* @param string $method
* @return bool
*/
function set_stat($name, $val) {
Object::$statics[$this->class][$name] = $val;
Object::$static_cached[$this->class][$name] = true;
public function hasMethod($method) {
return method_exists($this, $method) || isset(self::$extra_methods[$this->class][strtolower($method)]);
}
/**
* Returns true if this object "exists", i.e., has a sensible value.
* Overload this in subclasses.
* For example, an empty DataObject record could return false.
* Return the names of all the methods available on this object
*
* @return boolean
* @param bool $custom include methods added dynamically at runtime
* @return array
*/
public function allMethodNames($custom = false) {
if(!isset(self::$built_in_methods['_set'][$this->class])) $this->buildMethodList();
if($custom && isset(self::$extra_methods[$this->class])) {
return array_merge(self::$built_in_methods[$this->class], array_keys(self::$extra_methods[$this->class]));
} else {
return self::$built_in_methods[$this->class];
}
}
protected function buildMethodList() {
foreach(get_class_methods($this) as $method) {
self::$built_in_methods[$this->class][strtolower($method)] = strtolower($method);
}
self::$built_in_methods['_set'][$this->class] = true;
}
protected function defineMethods() {
if($this->extension_instances) foreach(array_keys($this->extension_instances) as $key) {
$this->addMethodsFrom('extension_instances', $key);
}
if(isset($_REQUEST['debugmethods']) && isset(self::$built_in_methods[$this->class])) {
Debug::require_developer_login();
echo '<h2>Methods defined on ' . $this->class . '</h2><ul>';
foreach(self::$built_in_methods[$this->class] as $method) {
echo "<li>$method</li>";
}
echo '</ul>';
}
}
/**
* Add all the methods from an object property (which is an {@link Extension}) to this object
*
* @param string $property the property name
* @param string|int $index an index to use if the property is an array
*/
protected function addMethodsFrom($property, $index = null) {
$extension = ($index !== null) ? $this->{$property}[$index] : $this->$property;
if(!$extension) {
throw new InvalidArgumentException (
"Object->addMethodsFrom(): could not add methods from {$this->class}->{$property}[$index]"
);
}
if(method_exists($extension, 'allMethodNames')) {
foreach($extension->allMethodNames(true) as $method) {
self::$extra_methods[$this->class][$method] = array (
'property' => $property,
'index' => $index
);
}
}
}
/**
* Add a wrapper method - a method which points to another method with a different name. For example, Thumbnail(x)
* can be wrapped to generateThumbnail(x)
*
* @param string $method the method name to wrap
* @param string $wrap the method name to wrap to
*/
protected function addWrapperMethod($method, $wrap) {
self::$extra_methods[$this->class][strtolower($method)] = array (
'wrap' => $wrap,
'method' => $method
);
}
/**
* Add an extra method using raw PHP code passed as a string
*
* @param string $method the method name
* @param string $code the PHP code - arguments will be in an array called $args, while you can access this object
* by using $obj. Note that you cannot call protected methods, as the method is actually an external function
*/
protected function createMethod($method, $code) {
self::$extra_methods[$this->class][strtolower($method)] = array (
'function' => create_function('$obj, $args', $code)
);
}
// -----------------------------------------------------------------------------------------------------------------
/**
* @see Object::get_static()
*/
public function stat($name, $uncached = false) {
return self::get_static(($this->class ? $this->class : get_class($this)), $name, $uncached);
}
/**
* @see Object::set_static()
*/
public function set_stat($name, $value) {
self::set_static(($this->class ? $this->class : get_class($this)), $name, $value);
}
/**
* @see Object::uninherited_static()
*/
public function uninherited($name) {
return self::uninherited_static(($this->class ? $this->class : get_class($this)), $name);
}
/**
* @deprecated
*/
public function set_uninherited() {
user_error (
'Object->set_uninherited() is deprecated, please use a custom static on your object', E_USER_WARNING
);
}
// -----------------------------------------------------------------------------------------------------------------
/**
* Return true if this object "exists" i.e. has a sensible value
*
* This method should be overriden in subclasses to provide more context about the classes state. For example, a
* {@link DataObject} class could return false when it is deleted from the database
*
* @return bool
*/
public function exists() {
return true;
}
function parentClass() {
/**
* @return string this classes parent class
*/
public function parentClass() {
return get_parent_class($this);
}
/**
* Wrapper for PHP's is_a()
*
* Check if this class is an instance of a specific class, or has that class as one of its parents
*
* @param string $class
* @return boolean
* @return bool
*/
function is_a($class) {
return is_a($this, $class);
public function is_a($class) {
return $this instanceof $class;
}
/**
* @return string the class name
*/
public function __toString() {
return $this->class;
}
// -----------------------------------------------------------------------------------------------------------------
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// EXTENSION METHODS
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/**
* Invokes a method on the object itself, or proxied through a decorator.
*
* This method breaks the normal rules of inheritance, and aggregates everything
* in the returned result. If the invoked methods return void, they are still recorded as
* empty array keys.
*
* @todo find a better way of integrating inheritance rules
* Calls a method if available on both this object and all applied {@link Extensions}, and then attempts to merge
* all results into an array
*
* @param unknown_type $funcName
* @param unknown_type $arg
* @param string $method the method name to call
* @param mixed $argument a single argument to pass
* @return mixed
* @todo integrate inheritance rules
*/
public function invokeWithExtensions($funcName, $arg=null) {
$results = array();
if (method_exists($this, $funcName)) {
$results[] = $this->$funcName($arg);
}
$extras = $this->extend($funcName, $arg);
if ($extras) {
return array_merge($results, $extras);
} else {
return $results;
}
}
/**
* Run the given function on all of this object's extensions. Note that this method
* originally returned void, so if you wanted to return results, you're hosed.
*
* Currently returns an array, with an index resulting every time the function is called.
* Only adds returns if they're not NULL, to avoid bogus results from methods just
* defined on the parent decorator. This is important for permission-checks through
* extend, as they use min() to determine if any of the returns is FALSE.
* As min() doesn't do type checking, an included NULL return would fail the permission checks.
*
* @param string $funcName The name of the function.
* @param mixed $arg An Argument to be passed to each of the extension functions.
*/
public function extend($funcName, &$arg1=null, &$arg2=null, &$arg3=null, &$arg4=null, &$arg5=null, &$arg6=null, &$arg7=null) {
$arguments = func_get_args();
array_shift($arguments);
public function invokeWithExtensions($method, $argument = null) {
$result = method_exists($this, $method) ? array($this->$method($argument)) : array();
$extras = $this->extend($method, $argument);
if($this->extension_instances) {
$returnArr = array();
foreach($this->extension_instances as $extension) {
if($extension->hasMethod($funcName)) {
$return = $extension->$funcName($arg1, $arg2, $arg3, $arg4, $arg5, $arg6, $arg7);
if($return !== NULL) $returnArr[] = $return;
}
}
return $returnArr;
}
return $extras ? array_merge($result, $extras) : $result;
}
/**
* Get an extension on this DataObject
*
* @param string $name Classname of the Extension (e.g. 'Versioned')
*
* @return DataObjectDecorator The instance of the extension
*/
public function extInstance($name) {
if(isset($this->extension_instances[$name])) {
return $this->extension_instances[$name];
}
}
/**
* Returns true if the given extension class is attached to this object
*
* @param string $requiredExtension Classname of the extension
*
* @return boolean True if the given extension class is attached to this object
*/
public function hasExtension($requiredExtension) {
return isset($this->extension_instances[$requiredExtension]) ? true : false;
}
/**
* Add an extension to the given object.
* This can be used to add extensions to built-in objects, such as role decorators on Member
*/
public static function add_extension($className, $extensionName) {
Object::addStaticVars($className, array(
'extensions' => array(
$extensionName,
),
));
}
public static function remove_extension($className, $extensionName) {
Object::$extraStatics[$className]['extensions'] = array_diff(Object::$extraStatics[$className]['extensions'], array($extensionName));
}
/**
* Loads a current cache from the filesystem, if it can.
* Run the given function on all of this object's extensions. Note that this method originally returned void, so if
* you wanted to return results, you're hosed
*
* @param string $cachename The name of the cache to load
* @param int $expire The lifetime of the cache in seconds
* @return mixed The data from the cache, or false if the cache wasn't loaded
* Currently returns an array, with an index resulting every time the function is called. Only adds returns if
* they're not NULL, to avoid bogus results from methods just defined on the parent decorator. This is important for
* permission-checks through extend, as they use min() to determine if any of the returns is FALSE. As min() doesn't
* do type checking, an included NULL return would fail the permission checks
*
* @param string $method the name of the method to call on each extension
* @param mixed $a1,... up to 7 arguments to be passed to the method
* @return array
*/
protected function loadCache($cachename, $expire = 3600) {
$cache_dir = TEMP_FOLDER;
$cache_path = $cache_dir . "/" . $this->sanitiseCachename($cachename);
if((!isset($_GET['flush']) || $_GET['flush']!=1) && (@file_exists($cache_path) && ((@filemtime($cache_path) + $expire) > (time())))) {
return @unserialize(file_get_contents($cache_path));
public function extend($method, &$a1=null, &$a2=null, &$a3=null, &$a4=null, &$a5=null, &$a6=null, &$a7=null) {
$values = array();
if($this->extension_instances) foreach($this->extension_instances as $instance) {
if($instance->hasMethod($method)) {
$value = $instance->$method($a1, $a2, $a3, $a4, $a5, $a6, $a7);
if($value !== null) $values[] = $value;
}
}
return $values;
}
/**
* Get an extension instance attached to this object by name
*
* @param string $extension
* @return Extension
*/
public function extInstance($extension) {
if($this->hasExtension($extension)) return $this->extension_instances[$extension];
}
/**
* Returns TRUE if this object has a specific extension applied
*
* @param string $extension
* @return bool
*/
public function hasExtension($extension) {
return isset($this->extension_instances[$extension]);
}
// -----------------------------------------------------------------------------------------------------------------
/**
* Cache the results of an instance method in this object to a file, or if it is already cache return the cached
* results
*
* @param string $method the method name to cache
* @param int $lifetime the cache lifetime in seconds
* @param string $ID custom cache ID to use
* @param array $arguments an optional array of arguments
* @return mixed the cached data
*/
public function cacheToFile($method, $lifetime = 3600, $ID = false, $arguments = array()) {
if(!$this->hasMethod($method)) {
throw new InvalidArgumentException("Object->cacheToFile(): the method $method does not exist to cache");
}
$cacheName = $this->class . '_' . $method;
if(!is_array($arguments)) $arguments = array($arguments);
if($ID) $cacheName .= '_' . $ID;
if(count($arguments)) $cacheName .= '_' . implode('_', $arguments);
if($data = $this->loadCache($cacheName, $lifetime)) {
return $data;
}
$data = call_user_func_array(array($this, $method), $arguments);
$this->saveCache($cacheName, $data);
return $data;
}
/**
* @deprecated
*/
public function cacheToFileWithArgs($callback, $arguments = array(), $lifetime = 3600, $ID = false) {
user_error (
'Object->cacheToFileWithArgs() is deprecated, please use Object->cacheToFile() with the $arguments param',
E_USER_NOTICE
);
return $this->cacheToFile($callback, $lifetime, $ID, $arguments);
}
/**
* Loads a cache from the filesystem if a valid on is present and within the specified lifetime
*
* @param string $cache the cache name
* @param int $lifetime the lifetime (in seconds) of the cache before it is invalid
* @return mixed
*/
protected function loadCache($cache, $lifetime = 3600) {
$path = TEMP_FOLDER . '/' . $this->sanitiseCachename($cache);
if(!isset($_REQUEST['flush']) && file_exists($path) && (filemtime($path) + $lifetime) > time()) {
return unserialize(file_get_contents($path));
}
return false;
}
/**
* Saves a cache to the file system
* Save a piece of cached data to the file system
*
* @param string $cachename The name of the cache to save
* @param mixed $data The data to cache
* @param string $cache the cache name
* @param mixed $data data to save (must be serializable)
*/
protected function saveCache($cachename, $data) {
$cache_dir = TEMP_FOLDER;
$cache_path = $cache_dir . "/" . $this->sanitiseCachename($cachename);
$fp = @fopen($cache_path, "w+");
if(!$fp) {
return; // Throw an error?
}
@fwrite($fp, @serialize($data));
@fclose($fp);
protected function saveCache($cache, $data) {
file_put_contents(TEMP_FOLDER . '/' . $this->sanitiseCachename($cache), serialize($data));
}
/**
* Makes a cache name safe to use in a file system
* Strip a file name of special characters so it is suitable for use as a cache file name
*
* @param string $cachename The cache name to sanitise
* @return string the sanitised cache name
* @param string $name
* @return string the name with all special cahracters replaced with underscores
*/
protected function sanitiseCachename($cachename) {
// Replace illegal characters with underscores
$cachename = str_replace(array('~', '.', '/', '!', ' ', "\n", "\r", "\t", '\\', ':', '"', '\'', ';'), '_', $cachename);
return $cachename;
protected function sanitiseCachename($name) {
return str_replace(array('~', '.', '/', '!', ' ', "\n", "\r", "\t", '\\', ':', '"', '\'', ';'), '_', $name);
}
/**
* Caches the return value of a method.
*
* @param callback $callback The method to cache
* @param int $expire The lifetime of the cache
* @param string|int $id An id for the cache
* @return mixed The cached return of the method
*/
public function cacheToFile($callback, $expire = 3600, $id = false) {
if(!$this->class) {
$this->class = get_class($this);
}
if(!method_exists($this->class, $callback)) {
user_error("Class {$this->class} doesn't have the method $callback.", E_USER_ERROR);
}
$cachename = $this->class . "_" . $callback;
if($id) {
$cachename .= "_" . (string)$id;
}
if(($data = $this->loadCache($cachename, $expire)) !== false) {
return $data;
}
// No cache to use
$data = $this->$callback();
if($data === false) {
// Some problem with function. Didn't give anything to cache. So don't cache it.
return false;
}
$this->saveCache($cachename, $data);
return $data;
}
/**
* Caches the return value of a method. Passes args to the method as well.
*
* @param callback $callback The method to cache
* @param array $args The arguments to pass to the method
* @param int $expire The lifetime of the cache
* @param string|int $id An id for the cache
* @return mixed The cached return of the method
*/
public function cacheToFileWithArgs($callback, $args = array(), $expire = 3600, $id = false) {
if(!$this->class) {
$this->class = get_class($this);
}
if(!method_exists($this->class, $callback)) {
user_error("Class {$this->class} doesn't have the method $callback.", E_USER_ERROR);
}
$cachename = $this->class . "_" . $callback;
if($id) {
$cachename .= "_" . (string)$id;
}
if(($data = $this->loadCache($cachename, $expire)) !== false) {
return $data;
}
// No cache to use
$data = call_user_func_array(array($this, $callback), $args);
if($data === false) {
// Some problem with function. Didn't give anything to cache. So don't cache it.
return false;
}
$this->saveCache($cachename, $data);
return $data;
}
}
?>

242
core/model/DataObject.php
View File

@ -53,7 +53,36 @@
* @package sapphire
* @subpackage model
*/
class DataObject extends ViewableData implements DataObjectInterface,i18nEntityProvider {
class DataObject extends ViewableData implements DataObjectInterface, i18nEntityProvider {
/**
* Human-readable singular name.
* @var string
*/
public static $singular_name = null;
/**
* Human-readable pluaral name
* @var string
*/
public static $plural_name = null;
/**
* Allow API access to this object?
* @todo Define the options that can be set here
*/
public static $api_access = false;
public static
$cache_has_own_table = array(),
$cache_has_own_table_field = array();
/**
* True if this DataObject has been destroyed.
* @var boolean
*/
public $destroyed = false;
/**
* Data stored in this objects database record. An array indexed
* by fieldname.
@ -80,31 +109,6 @@ class DataObject extends ViewableData implements DataObjectInterface,i18nEntityP
* @var array
*/
protected $components;
/**
* True if this DataObject has been destroyed.
* @var boolean
*/
public $destroyed = false;
/**
* Human-readable singular name.
* @var string
*/
static $singular_name = null;
/**
* Human-readable pluaral name
* @var string
*/
static $plural_name = null;
/**
* Allow API access to this object?
* @todo Define the options that can be set here
*/
static $api_access = false;
/**
* Should dataobjects be validated before they are written?
@ -127,6 +131,44 @@ class DataObject extends ViewableData implements DataObjectInterface,i18nEntityP
static function set_validation_enabled($enable) {
self::$validation_enabled = (bool) $enable;
}
/**
* Return the complete map of fields on this object, including Created, LastEdited and ClassName
*
* @param string $class
* @return array
*/
public static function database_fields($class) {
if(get_parent_class($class) == 'DataObject') {
return array_merge (
array (
'ClassName' => "Enum('" . implode(', ', ClassInfo::subclassesFor($class)) . "')",
'Created' => 'SSDatetime',
'LastEdited' => 'SSDatetime'
),
self::custom_database_fields($class)
);
}
return self::custom_database_fields($class);
}
/**
* Get all database fields explicitly defined on a class in {@link DataObject::$db} and {@link DataObject::$has_one}
*
* @param string $class
* @return array
*/
public static function custom_database_fields($class) {
$fields = Object::uninherited_static($class, 'db');
$hasOne = Object::uninherited_static($class, 'has_one');
if($hasOne) foreach(array_keys($hasOne) as $field) {
$fields[$field . 'ID'] = 'ForeignKey';
}
return (array) $fields;
}
/**
@ -666,11 +708,10 @@ class DataObject extends ViewableData implements DataObjectInterface,i18nEntityP
*/
public function populateDefaults() {
$classes = array_reverse(ClassInfo::ancestry($this));
foreach($classes as $class) {
$singleton = ($class == $this->class) ? $this : singleton($class);
$defaults = $singleton->stat('defaults');
$defaults = Object::get_static($class, 'defaults');
if($defaults) foreach($defaults as $fieldName => $fieldValue) {
// SRM 2007-03-06: Stricter check
if(!isset($this->$fieldName) || $this->$fieldName === null) {
@ -792,6 +833,7 @@ class DataObject extends ViewableData implements DataObjectInterface,i18nEntityP
if(isset($ancestry) && is_array($ancestry)) {
foreach($ancestry as $idx => $class) {
$classSingleton = singleton($class);
foreach($this->record as $fieldName => $fieldValue) {
if(isset($this->changed[$fieldName]) && $this->changed[$fieldName] && $fieldType = $classSingleton->hasOwnTableDatabaseField($fieldName)) {
$fieldObj = $this->dbObject($fieldName);
@ -839,7 +881,7 @@ class DataObject extends ViewableData implements DataObjectInterface,i18nEntityP
if(isset($isNewRecord) && $isNewRecord && isset($manipulation[$baseTable])) {
$manipulation[$baseTable]['command'] = 'update';
}
DB::manipulate($manipulation);
if(isset($isNewRecord) && $isNewRecord) {
@ -1282,12 +1324,13 @@ class DataObject extends ViewableData implements DataObjectInterface,i18nEntityP
if(in_array($class, array('Object', 'ViewableData', 'DataObject'))) continue;
if($component) {
$candidate = eval("return isset({$class}::\$has_one[\$component]) ? {$class}::\$has_one[\$component] : null;");
if($candidate) {
return $candidate;
$hasOne = Object::get_static($class, 'has_one');
if(isset($hasOne[$component])) {
return $hasOne[$component];
}
} else {
$newItems = eval("return (array){$class}::\$has_one;");
$newItems = (array) Object::get_static($class, 'has_one');
// Validate the data
foreach($newItems as $k => $v) {
if(!is_string($k) || is_numeric($k) || !is_string($v)) user_error("$class::\$has_one has a bad entry: "
@ -1320,12 +1363,13 @@ class DataObject extends ViewableData implements DataObjectInterface,i18nEntityP
}
if($component) {
$candidate = eval("return isset({$class}::\$db[\$component]) ? {$class}::\$db[\$component] : null;");
if($candidate) {
return $candidate;
$db = Object::get_static($class, 'db');
if(isset($db[$component])) {
return $db[$component];
}
} else {
$newItems = eval("return (array){$class}::\$db;");
$newItems = (array) Object::get_static($class, 'db');
// Validate the data
foreach($newItems as $k => $v) {
if(!is_string($k) || is_numeric($k) || !is_string($v)) user_error("$class::\$db has a bad entry: "
@ -1353,13 +1397,13 @@ class DataObject extends ViewableData implements DataObjectInterface,i18nEntityP
if(in_array($class, array('ViewableData', 'Object', 'DataObject'))) continue;
if($component) {
$candidate = eval("return isset({$class}::\$has_many[\$component]) ? {$class}::\$has_many[\$component] : null;");
$candidate = eval("if ( isset({$class}::\$has_many[\$component]) ) { return {$class}::\$has_many[\$component]; } else { return false; }");
if($candidate) {
return $candidate;
$hasMany = Object::get_static($class, 'has_many');
if(isset($hasMany[$component])) {
return $hasMany[$component];
}
} else {
$newItems = eval("return (array){$class}::\$has_many;");
$newItems = (array) Object::get_static($class, 'has_many');
// Validate the data
foreach($newItems as $k => $v) {
if(!is_string($k) || is_numeric($k) || !is_string($v)) user_error("$class::\$has_many has a bad entry: "
@ -1473,7 +1517,7 @@ class DataObject extends ViewableData implements DataObjectInterface,i18nEntityP
if(in_array($class, array('ViewableData', 'Object', 'DataObject'))) continue;
if($component) {
$manyMany = singleton($class)->stat('many_many');
$manyMany = Object::get_static($class, 'many_many');
// Try many_many
$candidate = (isset($manyMany[$component])) ? $manyMany[$component] : null;
if($candidate) {
@ -1483,13 +1527,13 @@ class DataObject extends ViewableData implements DataObjectInterface,i18nEntityP
}
// Try belongs_many_many
$belongsManyMany = singleton($class)->stat('belongs_many_many');
$belongsManyMany = Object::get_static($class, 'belongs_many_many');
$candidate = (isset($belongsManyMany[$component])) ? $belongsManyMany[$component] : null;
if($candidate) {
$childField = $candidate . "ID";
// We need to find the inverse component name
$otherManyMany = singleton($candidate)->stat('many_many');
$otherManyMany = Object::get_static($candidate, 'many_many');
if(!$otherManyMany) {
user_error("Inverse component of $candidate not found ({$this->class})", E_USER_ERROR);
}
@ -1508,15 +1552,15 @@ class DataObject extends ViewableData implements DataObjectInterface,i18nEntityP
user_error("Orphaned \$belongs_many_many value for $this->class.$component", E_USER_ERROR);
}
} else {
$newItems = eval("return (array){$class}::\$many_many;");
$newItems = (array) Object::get_static($class, 'many_many');
// Validate the data
foreach($newItems as $k => $v) {
if(!is_string($k) || is_numeric($k) || !is_string($v)) user_error("$class::\$many_many has a bad entry: "
. var_export($k,true). " => " . var_export($v,true) . ". Each map key should be a relationship name, and the map value should be the data class to join to.", E_USER_ERROR);
}
$items = isset($items) ? array_merge($newItems, $items) : $newItems;
$newItems = eval("return (array){$class}::\$belongs_many_many;");
$newItems = (array) Object::get_static($class, 'belongs_many_many');
// Validate the data
foreach($newItems as $k => $v) {
if(!is_string($k) || is_numeric($k) || !is_string($v)) user_error("$class::\$belongs_many_many has a bad entry: "
@ -1923,7 +1967,7 @@ class DataObject extends ViewableData implements DataObjectInterface,i18nEntityP
if($field == "Version") return $this->hasExtension('Versioned') ? "Int" : false;
// get cached fieldmap
$fieldMap = $this->uninherited('_cache_hasOwnTableDatabaseField');
$fieldMap = isset(self::$cache_has_own_table_field[$this->class]) ? self::$cache_has_own_table_field[$this->class] : null;
// if no fieldmap is cached, get all fields
if(!$fieldMap) {
@ -1938,18 +1982,22 @@ class DataObject extends ViewableData implements DataObjectInterface,i18nEntityP
}
// set cached fieldmap
$this->set_uninherited('_cache_hasOwnTableDatabaseField', $fieldMap);
self::$cache_has_own_table_field[$this->class] = $fieldMap;
}
// Remove string-based "constructor-arguments" from the DBField definition
return isset($fieldMap[$field]) ? strtok($fieldMap[$field],'(') : null;
}
/**
* Returns true if given class has its own table.
* Uses the rules for whether the table should exist rather than actually looking in the database.
* Returns true if given class has its own table. Uses the rules for whether the table should exist rather than
* actually looking in the database.
*
* @param string $dataClass
* @return bool
*/
public function has_own_table($dataClass) {
// The condition below has the same effect as !is_subclass_of($dataClass,'DataObject'),
// which causes PHP < 5.3 to segfault in rare circumstances, see PHP bug #46753
if($dataClass == 'DataObject' || !in_array('DataObject', ClassInfo::ancestry($dataClass))) return false;
@ -1958,16 +2006,12 @@ class DataObject extends ViewableData implements DataObjectInterface,i18nEntityP
if(get_parent_class($dataClass) == 'DataObject') {
self::$cache_has_own_table[$dataClass] = true;
} else {
$sng = singleton($dataClass);
self::$cache_has_own_table[$dataClass] = $sng->uninherited('db',true) || $sng->uninherited('has_one',true);
self::$cache_has_own_table[$dataClass] = Object::uninherited_static($dataClass, 'db') || Object::uninherited_static($dataClass, 'has_one');
}
}
return self::$cache_has_own_table[$dataClass];
}
private static $cache_has_own_table = array();
/**
* Returns true if the member is allowed to do the given action.
*
@ -2237,12 +2281,11 @@ class DataObject extends ViewableData implements DataObjectInterface,i18nEntityP
$query->select[] = "\"$tableClass\".*";
// Add SQL for multi-value fields
$SNG = singleton($tableClass);
$databaseFields = $SNG->databaseFields();
$databaseFields = self::database_fields($tableClass);
if($databaseFields) foreach($databaseFields as $k => $v) {
if(!in_array($k, array('ClassName', 'LastEdited', 'Created'))) {
if(ClassInfo::classImplements($v, 'CompositeDBField')) {
$SNG->dbObject($k)->addToQuery($query);
singleton($tableClass)->dbObject($k)->addToQuery($query);
}
}
}
@ -2513,7 +2556,7 @@ class DataObject extends ViewableData implements DataObjectInterface,i18nEntityP
*/
public static function get_by_id($callerClass, $id) {
if(is_numeric($id)) {
if(singleton($callerClass) instanceof DataObject) {
if(is_subclass_of($callerClass, 'DataObject')) {
$tableClasses = ClassInfo::dataClassesFor($callerClass);
$baseClass = array_shift($tableClasses);
return DataObject::get_one($callerClass,"\"$baseClass\".\"ID\" = $id");
@ -2641,52 +2684,21 @@ class DataObject extends ViewableData implements DataObjectInterface,i18nEntityP
// Let any extentions make their own database default data
$this->extend('requireDefaultRecords', $dummy);
}
/**
* Return the complete set of database fields, including Created, LastEdited and ClassName.
*
* @return array A map of field name to class of all databases fields on this object
*
* @see DataObject::database_fields()
*/
public function databaseFields() {
// For base tables, add a classname field
if($this->parentClass() == 'DataObject') {
$childClasses = ClassInfo::subclassesFor($this->class);
return array_merge(
array(
"ClassName" => "Enum('" . implode(", ", $childClasses) . "')",
"Created" => "SSDatetime",
"LastEdited" => "SSDatetime",
),
(array)$this->customDatabaseFields()
);
// Child table
} else {
return (array)$this->customDatabaseFields();
}
return self::database_fields($this->class);
}
/**
* Get the custom database fields for this object, from self::$db and self::$has_one,
* but not built-in fields like ID, ClassName, Created, LastEdited.
*
* @return array
* @see DataObject::custom_database_fields()
*/
public function customDatabaseFields() {
$db = $this->uninherited('db',true);
$has_one = $this->uninherited('has_one',true);
$def = $db;
if($has_one) {
foreach($has_one as $field => $joinTo) {
$def[$field . 'ID'] = "ForeignKey";
}
}
return (array)$def;
return self::custom_database_fields($this->class);
}
/**
* Returns fields bu traversing the class heirachy in a bottom-up direction.
*
@ -2698,13 +2710,15 @@ class DataObject extends ViewableData implements DataObjectInterface,i18nEntityP
* @todo review whether this is still needed after recent API changes
*/
public function inheritedDatabaseFields() {
$fields = array();
$currentObj = $this;
while(get_class($currentObj) != 'DataObject') {
$fields = array_merge($fields, (array)$currentObj->customDatabaseFields());
$currentObj = singleton($currentObj->parentClass());
$fields = array();
$currentObj = $this->class;
while($currentObj != 'DataObject') {
$fields = array_merge($fields, self::custom_database_fields($currentObj));
$currentObj = get_parent_class($currentObj);
}
return (array)$fields;
return (array) $fields;
}
/**
@ -2800,10 +2814,10 @@ class DataObject extends ViewableData implements DataObjectInterface,i18nEntityP
if($ancestry) foreach($ancestry as $ancestorClass) {
if($ancestorClass == 'ViewableData') break;
$types = array(
'db' => (array)singleton($ancestorClass)->uninherited('db', true),
'has_one' => (array)singleton($ancestorClass)->uninherited('has_one', true),
'has_many' => (array)singleton($ancestorClass)->uninherited('has_many', true),
'many_many' => (array)singleton($ancestorClass)->uninherited('many_many', true)
'db' => (array) Object::uninherited_static($ancestorClass, 'db'),
'has_one' => (array) Object::uninherited_static($ancestorClass, 'has_one'),
'has_many' => (array) Object::uninherited_static($ancestorClass, 'has_many'),
'many_many' => (array) Object::uninherited_static($ancestorClass, 'many_many')
);
foreach($types as $type => $attrs) {
foreach($attrs as $name => $spec)
@ -3131,4 +3145,4 @@ class DataObject extends ViewableData implements DataObjectInterface,i18nEntityP
}
?>
?>

28
core/model/DataObjectDecorator.php
View File

@ -32,21 +32,21 @@ abstract class DataObjectDecorator extends Extension {
*/
function loadExtraStatics() {
// Don't apply DB fields if the parent object has this extension too
if(singleton(get_parent_class($this->owner))->extInstance($this->class)) return;
$fields = $this->extraStatics();
$className = $this->owner->class;
if($fields) {
foreach($fields as $relationType => $fields) {
if(in_array($relationType, self::$decoratable_statics)) {
eval("$className::\$$relationType = array_merge((array){$className}::\$$relationType, (array)\$fields);");
$this->owner->set_stat($relationType, eval("return $className::\$$relationType;"));
if(Object::has_extension($this->owner->parentClass(), $this->class)) return;
if($fields = $this->extraStatics()) {
foreach($fields as $relation => $fields) {
if(in_array($relation, self::$decoratable_statics)) {
Object::set_static (
$this->owner->class,
$relation,
array_merge((array) Object::get_static($this->owner->class, $relation), $fields)
);
}
// clear previously set caches from DataObject->hasOwnTableDatabaseField()
$this->owner->set_uninherited('_cache_hasOwnTableDatabaseField', null);
}
DataObject::$cache_has_own_table[$this->owner->class] = null;
DataObject::$cache_has_own_table_field[$this->owner->class] = null;
}
}
@ -212,4 +212,4 @@ abstract class DataObjectDecorator extends Extension {
}
}
?>
?>

4
core/model/fieldtypes/ForeignKey.php
View File

@ -21,7 +21,7 @@ class ForeignKey extends Int {
protected static $default_search_filter_class = 'ExactMatchMultiFilter';
function __construct($name, $object) {
function __construct($name, $object = null) {
$this->object = $object;
parent::__construct($name);
}
@ -52,4 +52,4 @@ class ForeignKey extends Int {
}
}
?>
?>

4
tests/ArrayDataTest.php
View File

@ -6,9 +6,9 @@ class ArrayDataTest extends SapphireTest {
/* ViewableData objects will be preserved, but other objects will be converted */
$arrayData = new ArrayData(array(
"A" => new Varchar("A"),
"B" => new Object(),
"B" => new stdClass(),
));
$this->assertEquals("Varchar", get_class($arrayData->A));
$this->assertEquals("ArrayData", get_class($arrayData->B));
}
}
}

79
tests/ObjectStaticTest.php Normal file
View File

@ -0,0 +1,79 @@
<?php
/**
* Tests various static getter and setter methods on {@link Object}
*
* @package sapphire
* @subpackage tests
*/
class ObjectStaticTest extends SapphireTest {
/**
* Tests {@link Object::get_static()}
*/
public function testGetStatic() {
$this->assertEquals(Object::get_static('ObjectStaticTest_First', 'first'), array('test_1'));
$this->assertEquals(Object::get_static('ObjectStaticTest_Second', 'first'), array('test_2'));
$this->assertEquals(Object::get_static('ObjectStaticTest_Third', 'first'), array('test_3'));
Object::addStaticVars('ObjectStaticTest_First', array('first' => array('test_1_2')));
Object::addStaticVars('ObjectStaticTest_Third', array('first' => array('test_3_2')));
Object::addStaticVars('ObjectStaticTest_Fourth', array('first' => array('test_4')));
$this->assertEquals(Object::get_static('ObjectStaticTest_First', 'first', true), array('test_1_2', 'test_1'));
$this->assertEquals(Object::get_static('ObjectStaticTest_Second', 'first', true), array('test_1_2', 'test_2'));
$this->assertEquals(Object::get_static('ObjectStaticTest_Third', 'first', true), array('test_1_2', 'test_3_2', 'test_3'));
}
/**
* Test {@link Object::addStaticVar()} correctly replaces static vars
*/
public function testAddStaticReplace() {
Object::addStaticVars('ObjectStaticTest_Fourth', array('second' => array('test_4')), true);
Object::addStaticVars('ObjectStaticTest_Third', array('second' => array('test_3_2')));
$this->assertEquals(Object::get_static('ObjectStaticTest_Fourth', 'second', true), array('test_4'));
$this->assertEquals(Object::get_static('ObjectStaticTest_Third', 'second', true), array('test_3_2', 'test_3'));
Object::addStaticVars('ObjectStaticTest_Third', array('second' => array('test_3_2')), true);
$this->assertEquals(Object::get_static('ObjectStaticTest_Third', 'second', true), array('test_3_2'));
Object::add_static_var('ObjectStaticTest_Third', 'fourth', array('test_3_2'));
$this->assertEquals(Object::get_static('ObjectStaticTest_Fourth', 'fourth', true), array('test_3_2', 'test_4'));
Object::add_static_var('ObjectStaticTest_Third', 'fourth', array('test_3_2'), true);
$this->assertEquals(Object::get_static('ObjectStaticTest_Fourth', 'fourth', true), array('test_4', 'test_3_2'));
}
/**
* Tests {@link Object::uninherited_static()}
*/
public function testUninherited() {
$this->assertEquals(Object::uninherited_static('ObjectStaticTest_First', 'third', true), 'test_1');
$this->assertEquals(Object::uninherited_static('ObjectStaticTest_Fourth', 'third', true), null);
}
}
/**#@+
* @ignore
*/
class ObjectStaticTest_First extends Object {
public static $first = array('test_1');
public static $second = array('test_1');
public static $third = 'test_1';
}
class ObjectStaticTest_Second extends ObjectStaticTest_First {
public static $first = array('test_2');
}
class ObjectStaticTest_Third extends ObjectStaticTest_Second {
public static $first = array('test_3');
public static $second = array('test_3');
public static $fourth = array('test_3');
}
class ObjectStaticTest_Fourth extends ObjectStaticTest_Third {
public static $fourth = array('test_4');
}
/**#@-*/

206
tests/ObjectTest.php
View File

@ -44,7 +44,7 @@ class ObjectTest extends SapphireTest {
foreach($trueMethods as $method) {
$methodU = strtoupper($method);
$methodL = strtoupper($method);
$this->assertTrue($obj->hasMethod($method), "Test that obj#$i has method $method");
$this->assertTrue($obj->hasMethod($method), "Test that obj#$i has method $method ($obj->class)");
$this->assertTrue($obj->hasMethod($methodU), "Test that obj#$i has method $methodU");
$this->assertTrue($obj->hasMethod($methodL), "Test that obj#$i has method $methodL");
@ -88,12 +88,6 @@ class ObjectTest extends SapphireTest {
$obj->stat('mystaticProperty'),
'Uninherited statics through stat() on a singleton behave the same as built-in PHP statics'
);
/*
$this->assertNull(
$obj->stat('mystaticSubProperty'),
'Statics through stat() on a singleton dont inherit statics from child classes'
);
*/
}
function testStaticInheritanceGetters() {
@ -107,39 +101,6 @@ class ObjectTest extends SapphireTest {
'MyObject',
'Statics defined on a parent class are available through stat() on a subclass'
);
/*
$this->assertEquals(
$subObj->uninherited('mystaticProperty'),
'MySubObject',
'Statics re-defined on a subclass are available through uninherited()'
);
*/
}
function testStaticInheritanceSetters() {
static $_SINGLETONS;
$_SINGLETONS = null;
$obj = singleton('ObjectTest_MyObject');
$subObj = singleton('ObjectTest_MyObject');
$subObj->set_uninherited('mystaticProperty', 'MySubObject_changed');
$this->assertEquals(
$obj->stat('mystaticProperty'),
'MyObject',
'Statics set on a subclass with set_uninherited() dont influence parent class'
);
/*
$this->assertEquals(
$subObj->stat('mystaticProperty'),
'MySubObject_changed',
'Statics set on a subclass with set_uninherited() are changed on subclass when using stat()'
);
*/
$this->assertEquals(
$subObj->uninherited('mystaticProperty'),
'MySubObject_changed',
'Statics set on a subclass with set_uninherited() are changed on subclass when using uninherited()'
);
}
function testStaticSettingOnSingletons() {
@ -168,16 +129,105 @@ class ObjectTest extends SapphireTest {
'changed',
'Statics setting through set_stat() is populated throughout instances without explicitly clearing cache'
);
/*
$this->assertEquals(
ObjectTest_MyObject::$mystaticProperty,
'changed',
'Statics setting through set_stat() reflects on PHP built-in statics on the class'
);
*/
}
/**
* Tests that {@link Object::create()} correctly passes all arguments to the new object
*/
public function testCreateWithArgs() {
$createdObj = Object::create('ObjectTest_CreateTest', 'arg1', 'arg2', array(), null, 'arg5');
$this->assertEquals($createdObj->constructArguments, array('arg1', 'arg2', array(), null, 'arg5'));
$strongObj = Object::strong_create('ObjectTest_CreateTest', 'arg1', 'arg2', array(), null, 'arg5');
$this->assertEquals($strongObj->constructArguments, array('arg1', 'arg2', array(), null, 'arg5'));
}
/**
* Tests that {@link Object::useCustomClass()} correnctly replaces normal and strong objects
*/
public function testUseCustomClass() {
$obj1 = Object::create('ObjectTest_CreateTest');
$this->assertTrue($obj1->is_a('ObjectTest_CreateTest'));
Object::useCustomClass('ObjectTest_CreateTest', 'ObjectTest_CreateTest2');
$obj2 = Object::create('ObjectTest_CreateTest');
$this->assertTrue($obj2->is_a('ObjectTest_CreateTest2'));
$obj2_2 = Object::strong_create('ObjectTest_CreateTest');
$this->assertTrue($obj2_2->is_a('ObjectTest_CreateTest'));
Object::useCustomClass('ObjectTest_CreateTest', 'ObjectTest_CreateTest3', true);
$obj3 = Object::create('ObjectTest_CreateTest');
$this->assertTrue($obj3->is_a('ObjectTest_CreateTest3'));
$obj3_2 = Object::strong_create('ObjectTest_CreateTest');
$this->assertTrue($obj3_2->is_a('ObjectTest_CreateTest3'));
}
/**
* Tests {@link Object::has_extension()}, {@link Object::add_extension()}
*/
public function testHasAndAddExtension() {
$this->assertTrue(Object::has_extension('ObjectTest_ExtensionTest', 'HIERACHY'));
$this->assertTrue(Object::has_extension('ObjectTest_ExtensionTest', 'translatable'));
$this->assertFalse(Object::has_extension('ObjectTest_ExtensionTest', 'Versioned'));
Object::add_extension('ObjectTest_ExtensionTest', 'VERSIONED("Stage", "Live")');
$this->assertTrue(Object::has_extension('ObjectTest_ExtensionTest', 'Versioned'));
}
public function testParentClass() {
$this->assertEquals(Object::create('ObjectTest_MyObject')->parentClass(), 'Object');
}
public function testIsA() {
$this->assertTrue(Object::create('ObjectTest_MyObject')->is_a('Object'));
$this->assertTrue(Object::create('ObjectTest_MyObject')->is_a('ObjectTest_MyObject'));
}
/**
* Tests {@link Object::hasExtension() and Object::extInstance()}
*/
public function testExtInstance() {
$obj = new ObjectTest_ExtensionTest2();
$this->assertTrue($obj->hasExtension('ObjectTest_Extension'));
$this->assertTrue($obj->extInstance('ObjectTest_Extension')->is_a('ObjectTest_Extension'));
}
public function testCacheToFile() {
$obj = new ObjectTest_CacheTest();
$this->assertEquals($obj->cacheToFile('cacheMethod', -1), 'noarg');
$this->assertEquals($obj->cacheToFile('cacheMethod', -1, null, array(true)), 'hasarg');
$this->assertEquals($obj->cacheToFile('cacheMethod', 3600, null, array(true)), 'hasarg');
$this->assertEquals($obj->cacheToFile('incNumber', -1), 1);
$this->assertEquals($obj->cacheToFile('incNumber', -1), 2);
$this->assertEquals($obj->cacheToFile('incNumber'), 2);
}
public function testExtend() {
$object = new ObjectTest_ExtendTest();
$argument = 'test';
$this->assertEquals($object->extend('extendableMethod'), array('ExtendTest2()'));
$this->assertEquals($object->extend('extendableMethod', $argument), array('ExtendTest2(modified)'));
$this->assertEquals($argument, 'modified');
$this->assertEquals($object->invokeWithExtensions('extendableMethod'), array('ExtendTest()', 'ExtendTest2()'));
$this->assertEquals (
$object->invokeWithExtensions('extendableMethod', 'test'),
array('ExtendTest(test)', 'ExtendTest2(modified)')
);
}
}
/**#@+
* @ignore
*/
class ObjectTest_T1A extends Object {
function testMethod() {
return true;
@ -243,3 +293,65 @@ class ObjectTest_MySubObject extends ObjectTest_MyObject {
static $mystaticSubProperty = "MySubObject";
static $mystaticArray = array('two');
}
class ObjectTest_CreateTest extends Object {
public $constructArguments;
public function __construct() {
$this->constructArguments = func_get_args();
parent::__construct();
}
}
class ObjectTest_CreateTest2 extends Object {}
class ObjectTest_CreateTest3 extends Object {}
class ObjectTest_ExtensionTest extends Object {
public static $extensions = array (
'HiErAcHy',
"TrAnSlAtAbLe('FOO', 'BAR')",
);
}
class ObjectTest_ExtensionTest2 extends Object {
public static $extensions = array('ObjectTest_Extension');
}
class ObjectTest_Extension extends Extension {}
class ObjectTest_CacheTest extends Object {
public $count = 0;
public function cacheMethod($arg1 = null) {
return ($arg1) ? 'hasarg' : 'noarg';
}
public function incNumber() {
$this->count++;
return $this->count;
}
}
class ObjectTest_ExtendTest extends Object {
public static $extensions = array('ObjectTest_ExtendTest1', 'ObjectTest_ExtendTest2');
public function extendableMethod($argument = null) { return "ExtendTest($argument)"; }
}
class ObjectTest_ExtendTest1 extends Extension {
public function extendableMethod(&$argument = null) {
if($argument) $argument = 'modified';
return null;
}
}
class ObjectTest_ExtendTest2 extends Extension {
public function extendableMethod($argument = null) { return "ExtendTest2($argument)"; }
}
/**#@-*/

2
tests/security/SecurityTest.php
View File

@ -219,6 +219,8 @@ class SecurityTest extends FunctionalTest {
*/
function doTestLoginForm($email, $password, $backURL = 'test/link') {
$this->session()->inst_set('BackURL', $backURL);
$this->get('Security/logout');
$this->get('Security/login');
return $this->submitForm(