ShortcodeParser

An implementation of the factory method, allows you to create an instance of a class

This method will defer class substitution to the Injector API, which can be customised via the Config API to declare substitution classes.

This can be called in one of two ways - either calling via the class directly, or calling on Object and passing the class name as the first parameter. The following are equivalent: $list = DataList::create(SiteTree::class); $list = SiteTree::get();

Creates a class instance by the "singleton" design pattern.

It will always return the same instance for this class, which can be used for performance reasons and as a simple way to access instance methods which don't rely on instance data (e.g. the custom SilverStripe static handling).

Get a configuration accessor for this class. Short hand for Config::inst()->get($this->class, .....).

Gets the uninherited value for the given config option

Attempts to locate and call a method dynamically added to a class at runtime if a default cannot be located

You can add extra methods to a class using Extensions}, {@link Object::createMethod() or Object::addWrapperMethod()

Adds any methods from Extension instances attached to this object.

All these methods can then be called directly on the instance (transparently mapped through __call()}), or called explicitly through {@link extend().

Register an callback to invoke that defines extra methods

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

Determines if a custom method with this name is defined.

Get meta-data details on a named method

Return the names of all the methods available on this object

Get all public built in methods for this class

Find all methods on the given object.

Add all the methods from an object property.

Add all the methods from an object property (which is an Extension) to this object.

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)

Add callback as a method.

Allows user code to hook into Object::extend prior to control being delegated to extensions. Each callback will be reset once called.

Allows user code to hook into Object::extend after control being delegated to extensions. Each callback will be reset once called.

Adds any methods from Extension instances attached to this object.

All these methods can then be called directly on the instance (transparently mapped through __call()}), or called explicitly through {@link extend().

Add an extension to a specific class.

The preferred method for adding extensions is through YAML config, since it avoids autoloading the class, and is easier to override in more specific configurations.

As an alternative, extensions can be added to a specific class directly in the Object::$extensions array. See SiteTree::$extensions for examples. Keep in mind that the extension will only be applied to new instances, not existing ones (including all instances created through singleton()).

Remove an extension from a class.

Note: This will not remove extensions from parent classes, and must be called directly on the class assigned the extension.

Keep in mind that this won't revert any datamodel additions of the extension at runtime, unless its used before the schema building kicks in (in your _config.php). Doesn't remove the extension from any Object instances which are already created, but will have an effect on new extensions. Clears any previously created singletons through singleton() to avoid side-effects from stale extension information.

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Get extra config sources for this class

Return TRUE if a class has a specified extension.

This supports backwards-compatible format (static Object::has_extension($requiredExtension)) and new format ($object->has_extension($class, $requiredExtension))

Calls a method if available on both this object and all applied Extensions, and then attempts to merge all results into an array

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 extension. 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.

The extension methods are defined during __construct()} in {@link defineMethods().

Get an extension instance attached to this object by name.

Returns TRUE if this object instance has a specific extension applied in $extension_instances. Extension instances are initialized at constructor time, meaning if you use add_extension() afterwards, the added extension will just be added to new instances of the extended class. Use the static method has_extension() to check if a class (not an instance) has a specific extension.

Caution: Don't use singleton()->hasExtension() as it will give you inconsistent results based on when the singleton was first accessed.

Get all extension instances for this specific object instance.

See get_extensions() to get all applied extension classes for this class (not the instance).

This method also provides lazy-population of the extension_instances property.

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Get the ShortcodeParser instance that is attached to a particular identifier.

Get the currently active/default ShortcodeParser instance.

Set the identifier to use for the current active/default ShortcodeParser instance.

Register a shortcode, and attach it to a PHP callback.

The callback for a shortcode will have the following arguments passed to it:

• Any parameters attached to the shortcode as an associative array (keys are lower-case).
• Any content enclosed within the shortcode (if it is an enclosing shortcode). Note that any content within this will not have been parsed, and can optionally be fed back into the parser.
• The ShortcodeParser instance used to parse the content.
• The shortcode tag name that was matched within the parsed content.
• An associative array of extra information about the shortcode being parsed.

Check if a shortcode has been registered.

Remove a specific registered shortcode.

Get an array containing information about registered shortcodes

Remove all registered shortcodes.

Call a shortcode and return its replacement text Returns false if the shortcode isn't registered

Return the text to insert in place of a shoprtcode.

Behaviour in the case of missing shortcodes depends on the setting of ShortcodeParser::$error_behavior.

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Look through a string that contains shortcode tags and pull out the locations and details of those tags

Doesn't support nested shortcode tags

Replaces the shortcode tags extracted by extractTags with HTML element "markers", so that we can parse the resulting string as HTML and easily mutate the shortcodes in the DOM

Replace the shortcodes in attribute values with the calculated content

We don't use markers with attributes because there's no point, it's easier to do all the matching in-DOM after the XML parse

Replace the element-scoped tags with markers

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Given a node with represents a shortcode marker and a location string, mutates the DOM to put the marker in the compliant location

For shortcodes inserted BEFORE, that location is just before the block container that the marker is in

For shortcodes inserted AFTER, that location is just after the block container that the marker is in

For shortcodes inserted SPLIT, that location is where the marker is, but the DOM is split around it up to the block container the marker is in - for instance,

ABCD

becomes

AB

Given a node with represents a shortcode marker and some information about the shortcode, call the shortcode handler & replace the marker with the actual content

Parse a string, and replace any registered shortcodes within it with the result of the mapped callback.