Patrick Ward
9 years ago
10 changed files with 434 additions and 165 deletions
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1Plugin.php
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4README.md
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87classes/ProcessedShortcode.php
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286classes/Shortcode.php
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51classes/ShortcodeInterface.php
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3composer.json
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60composer.lock
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23phpunit.xml
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83tests/ShortcodeTest.php
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1updates/version.yaml
@ -0,0 +1,87 @@ |
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<?php namespace Sensory5\Shortcode\Classes; |
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|
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class ProcessedShortcode implements ShortcodeInterface |
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{ |
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|
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private $attributes; |
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private $content; |
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private $name; |
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|
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private function __construct() |
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{ |
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} |
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|
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/** |
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* Create from shortcode data |
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*/ |
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public static function create($attributes, $content, $tagName) |
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{ |
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|
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$self = new self(); |
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$self->attributes = $attributes; |
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$self->content = $content; |
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$self->name = $tagName; |
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|
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return $self; |
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} |
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|
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/** |
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* Returns new instance of given shortcode with changed content |
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* |
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* @param string $content |
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* |
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* @return self |
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*/ |
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public function withContent($content) |
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{ |
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$self = clone $this; |
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return $self->content = $content; |
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} |
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|
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/** |
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* Returns shortcode name |
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* |
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* @return string |
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*/ |
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public function getName() |
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{ |
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return $this->name; |
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} |
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|
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/** |
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* Returns associative array(name => value) of shortcode parameters |
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* |
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* @return array |
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*/ |
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public function getParameters() |
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{ |
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return $this->attributes; |
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} |
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|
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/** |
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* Returns parameter value using its name, will return null for parameter |
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* without value |
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* |
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* @param string $name Parameter name |
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* @param null $default Value returned if there is no parameter with given name |
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* |
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* @return mixed |
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*/ |
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public function getParameter($name, $default = null) |
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{ |
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return array_get($this->attributes, $name, $default); |
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} |
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|
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/** |
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* Returns shortcode content (data between opening and closing tag). Null |
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* means that shortcode had no content (was self closing), do not confuse |
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* that with empty string (hint: use strict comparison operator ===). |
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* |
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* @return string|null |
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*/ |
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public function getContent() |
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{ |
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return $this->content; |
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} |
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|
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} |
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@ -1,153 +1,291 @@ |
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<?php namespace Sensory5\Shortcode\Classes; |
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|
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use Sensory5\Shortcode\Classes\ProcessedShortcode; |
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|
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/** |
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* Shortcodes |
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* This is a port of WordPress' brilliant shortcode feature |
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* for use outside of WordPress. The code has remained largely unchanged |
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* |
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* Original from: https://github.com/Badcow/Shortcodes |
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* |
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* Original idea from Pingpong Labs (https://github.com/pingpong-labs/shortcode) |
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* Class Shortcode |
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* |
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* Changed to fit closer to the Thunderer\Shortcode syntax. |
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* @package Shortcode |
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*/ |
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class Shortcode |
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{ |
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/** |
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* The regex for attributes. |
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* |
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* This regex covers the following attribute situations: |
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* - key = "value" |
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* - key = 'value' |
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* - key = value |
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* - "value" |
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* - value |
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* |
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* @var string |
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*/ |
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private $attrPattern = '/(\w+)\s*=\s*"([^"]*)"(?:\s|$)|(\w+)\s*=\s*\'([^\']*)\'(?:\s|$)|(\w+)\s*=\s*([^\s\'"]+)(?:\s|$)|"([^"]*)"(?:\s|$)|(\S+)(?:\s|$)/'; |
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|
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use Countable; |
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use Thunder\Shortcode\HandlerContainer\HandlerContainer; |
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use Thunder\Shortcode\Parser\RegexParser; |
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use Thunder\Shortcode\Processor\Processor; |
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use Thunder\Shortcode\Shortcode\ShortcodeInterface; |
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/** |
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* Indexed array of tags: shortcode callbacks |
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* |
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* @var array |
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*/ |
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private $shortcodes = array(); |
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|
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class Shortcode implements Countable |
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{ |
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/** @var HandlerContainer */ |
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private $handlers; |
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/** |
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* @param string $tag |
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* @param callable $function |
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* @throws \ErrorException |
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*/ |
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public function add($tag, $function) |
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{ |
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if (!is_callable($function)) { |
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throw new \ErrorException("Function must be callable"); |
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} |
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$this->shortcodes[$tag] = $function; |
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return $this; |
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} |
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|
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/** |
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* The constructor. |
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* @param string $tag |
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* @return Shortcode |
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*/ |
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public function __construct() |
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public function remove($tag) |
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{ |
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$this->handlers = new HandlerContainer(); |
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if (array_key_exists($tag, $this->shortcodes)) { |
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unset($this->shortcodes[$tag]); |
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} |
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return $this; |
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|
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} |
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|
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/** |
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* Get the names for all registered shortcodes. |
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* |
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* @return array |
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*/ |
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public function getNames() |
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public function getShortcodes() |
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{ |
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return $this->handlers->getNames(); |
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return $this->shortcodes; |
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} |
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|
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/** |
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* Add a new shortcode to the handler container. |
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* |
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* @param string $name |
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* @param mixed $callback |
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* @param $shortcode |
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* @return bool |
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*/ |
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public function add($name, $callback) |
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public function has($shortcode) |
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{ |
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$this->handlers->add($name, $callback); |
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return array_key_exists($shortcode, $this->shortcodes); |
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} |
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|
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/** |
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* Remove the specified shortcode name from the handler. |
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* Tests whether content has a particular shortcode |
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* |
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* @param string $name |
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* @param $content |
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* @param $tag |
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* @return bool |
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*/ |
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public function remove($name) |
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public function contentContains($content, $tag) |
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{ |
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if ($this->exists($name)) { |
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$this->handlers->remove($name); |
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if (!$this->has($tag)) { |
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return false; |
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} |
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|
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return $this; |
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preg_match_all($this->shortcodeRegex(), $content, $matches, PREG_SET_ORDER); |
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if (empty($matches)) { |
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return false; |
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} |
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foreach ($matches as $shortcode) { |
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if ($tag === $shortcode[2]) { |
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return true; |
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} |
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} |
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return false; |
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} |
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|
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/** |
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* Remove all registered shortcodes |
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* Returns an array of tag names that have been added |
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* |
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* @return self |
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* @return array |
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*/ |
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public function destroyAll() |
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public function names() |
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{ |
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$this->handlers = new HandlerContainer(); |
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return $this; |
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return array_keys($this->shortcodes); |
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|
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} |
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|
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/** |
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* Strip any shortcodes from the content. |
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* Search content for shortcodes and filter shortcodes through their hooks. |
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* |
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* @param string $content |
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* If there are no shortcode tags defined, then the content will be returned |
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* without any filtering. This might cause issues when plugins are disabled but |
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* the shortcode will still show up in the post or content. |
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* |
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* @return string |
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* @param string $content Content to search for shortcodes |
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* @return string Content with shortcodes filtered out. |
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*/ |
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public function strip($content) |
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public function parse($content) |
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{ |
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$handlers = new HandlerContainer(); |
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$handlers->setDefault(function(ShortcodeInterface $s) { return $s->getContent(); }); |
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$processor = new Processor(new RegexParser(), $handlers); |
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if (empty($this->shortcodes)) { |
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return $content; |
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} |
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|
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return $processor->process($content); |
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return preg_replace_callback($this->shortcodeRegex(), array($this, 'processTag'), $content); |
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} |
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|
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/** |
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* Get count from all shortcodes. |
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* Remove all shortcode tags from the given content. |
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* |
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* @return int |
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* @uses $shortcode_tags |
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* |
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* @param string $content Content to remove shortcode tags. |
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* @return string Content without shortcode tags. |
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*/ |
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public function count() |
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public function strip($content) |
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{ |
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return count($this->handlers->getNames()); |
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if (empty($this->shortcodes)) { |
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return $content; |
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} |
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|
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return preg_replace_callback($this->shortcodeRegex(), array($this, 'stripShortcodeTag'), $content); |
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} |
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|
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/** |
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* Return true is the given name exist in shortcodes array. |
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* Regular Expression callable for do_shortcode() for calling shortcode hook. |
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* |
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* @param string $name |
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* @see get_shortcode_regex for details of the match array contents. |
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* |
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* @return bool |
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* @param array $tag Regular expression match array |
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* @return mixed False on failure. |
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*/ |
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public function exists($name) |
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private function processTag(array $tag) |
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{ |
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return $this->handlers->has($name); |
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// allow [[foo]] syntax for escaping a tag
|
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if ($tag[1] == '[' && $tag[6] == ']') { |
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return substr($tag[0], 1, -1); |
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} |
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$tagName = $tag[2]; |
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$attr = $this->parseAttributes($tag[3]); |
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$processed = ProcessedShortcode::create($attr, isset($tag[5]) ? $tag[5] : null, $tagName); |
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return $tag[1] . call_user_func($this->shortcodes[$tagName], $processed) . $tag[6]; |
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|
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} |
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|
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/** |
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* Return true is the given content contains the named shortcode. |
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* Retrieve all attributes from the shortcodes tag. |
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* |
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* @param string $content |
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* @param string $name |
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* The attributes list has the attribute name as the key and the value of the |
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* attribute as the value in the key/value pair. This allows for easier |
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* retrieval of the attributes, since all attributes have to be known. |
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* |
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* @return bool |
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* |
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* @param string $text |
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* @return array List of attributes and their value. |
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*/ |
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public function contains($content, $name) |
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private function parseAttributes($text) |
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{ |
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$hasShortcode = false; |
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$text = preg_replace("/[\x{00a0}\x{200b}]+/u", " ", $text); |
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|
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if (!preg_match_all($this->attrPattern, $text, $matches, PREG_SET_ORDER)) { |
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return array(ltrim($text)); |
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} |
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|
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$attr = array(); |
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|
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$handlers = new HandlerContainer(); |
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$handlers->setDefault(function(ShortcodeInterface $s) use($name, &$hasShortcode) { |
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if($s->getName() === $name) { |
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$hasShortcode = true; |
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foreach ($matches as $match) { |
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if (!empty($match[1])) { |
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$attr[strtolower($match[1])] = stripcslashes($match[2]); |
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} elseif (!empty($match[3])) { |
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$attr[strtolower($match[3])] = stripcslashes($match[4]); |
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} elseif (!empty($match[5])) { |
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$attr[strtolower($match[5])] = stripcslashes($match[6]); |
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} elseif (isset($match[7]) && strlen($match[7])) { |
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$attr[] = stripcslashes($match[7]); |
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} elseif (isset($match[8])) { |
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$attr[] = stripcslashes($match[8]); |
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} |
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}); |
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$processor = new Processor(new RegexParser(), $handlers); |
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$processor->process($content); |
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} |
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|
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return $hasShortcode; |
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return $attr; |
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} |
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|
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/** |
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* Parse content and replace parts of it using registered handlers |
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* |
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* @param $content |
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* Strips a tag leaving escaped tags |
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* |
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* @param $tag |
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* @return string |
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*/ |
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public function parse($content) |
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private function stripShortcodeTag($tag) |
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{ |
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$processor = new Processor(new RegexParser(), $this->handlers); |
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if ($tag[1] == '[' && $tag[6] == ']') { |
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return substr($tag[0], 1, -1); |
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} |
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|
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return $processor->process($content); |
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return $tag[1] . $tag[6]; |
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} |
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} |
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|
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/** |
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* Retrieve the shortcode regular expression for searching. |
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* |
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* The regular expression combines the shortcode tags in the regular expression |
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* in a regex class. |
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* |
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* The regular expression contains 6 different sub matches to help with parsing. |
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* |
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* 1 - An extra [ to allow for escaping shortcodes with double [[]] |
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* 2 - The shortcode name |
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* 3 - The shortcode argument list |
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* 4 - The self closing / |
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* 5 - The content of a shortcode when it wraps some content. |
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* 6 - An extra ] to allow for escaping shortcodes with double [[]] |
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* |
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* @return string The shortcode search regular expression |
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*/ |
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private function shortcodeRegex() |
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{ |
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$tagRegex = join('|', array_map('preg_quote', array_keys($this->shortcodes))); |
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|
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return |
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'/' |
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. '\\[' // Opening bracket
|
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. '(\\[?)' // 1: Optional second opening bracket for escaping shortcodes: [[tag]]
|
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. "($tagRegex)" // 2: Shortcode name
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. '(?![\\w-])' // Not followed by word character or hyphen
|
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. '(' // 3: Unroll the loop: Inside the opening shortcode tag
|
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. '[^\\]\\/]*' // Not a closing bracket or forward slash
|
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. '(?:' |
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. '\\/(?!\\])' // A forward slash not followed by a closing bracket
|
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. '[^\\]\\/]*' // Not a closing bracket or forward slash
|
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. ')*?' |
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. ')' |
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. '(?:' |
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. '(\\/)' // 4: Self closing tag ...
|
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. '\\]' // ... and closing bracket
|
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. '|' |
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. '\\]' // Closing bracket
|
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. '(?:' |
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. '(' // 5: Unroll the loop: Optionally, anything between the opening and closing shortcode tags
|
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. '[^\\[]*+' // Not an opening bracket
|
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. '(?:' |
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. '\\[(?!\\/\\2\\])' // An opening bracket not followed by the closing shortcode tag
|
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. '[^\\[]*+' // Not an opening bracket
|
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. ')*+' |
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. ')' |
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. '\\[\\/\\2\\]' // Closing shortcode tag
|
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. ')?' |
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. ')' |
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. '(\\]?)' // 6: Optional second closing brocket for escaping shortcodes: [[tag]]
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. '/s'; |
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} |
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} |
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@ -0,0 +1,51 @@ |
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<?php namespace Sensory5\Shortcode\Classes; |
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|
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/** |
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* @author Tomasz Kowalczyk <tomasz@kowalczyk.cc> |
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*/ |
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interface ShortcodeInterface |
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{ |
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/** |
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* Returns new instance of given shortcode with changed content |
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* |
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* @param string $content |
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* |
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* @return self |
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*/ |
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public function withContent($content); |
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|
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/** |
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* Returns shortcode name |
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* |
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* @return string |
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*/ |
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public function getName(); |
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|
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/** |
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* Returns associative array(name => value) of shortcode parameters |
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* |
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* @return array |
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*/ |
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public function getParameters(); |
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|
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/** |
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* Returns parameter value using its name, will return null for parameter |
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* without value |
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* |
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* @param string $name Parameter name |
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* @param null $default Value returned if there is no parameter with given name |
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* |
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* @return mixed |
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*/ |
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public function getParameter($name, $default = null); |
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|
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/** |
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* Returns shortcode content (data between opening and closing tag). Null |
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* means that shortcode had no content (was self closing), do not confuse |
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* that with empty string (hint: use strict comparison operator ===). |
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* |
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* @return string|null |
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*/ |
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public function getContent(); |
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|
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} |
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@ -0,0 +1,23 @@ |
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<?xml version="1.0" encoding="UTF-8"?> |
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<phpunit backupGlobals="false" |
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backupStaticAttributes="false" |
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bootstrap="../../../tests/bootstrap.php" |
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colors="true" |
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convertErrorsToExceptions="true" |
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convertNoticesToExceptions="true" |
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convertWarningsToExceptions="true" |
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processIsolation="false" |
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stopOnFailure="false" |
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syntaxCheck="false" |
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> |
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<testsuites> |
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<testsuite name="PolicyManager Unit Test Suite"> |
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<directory>./tests</directory> |
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</testsuite> |
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</testsuites> |
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<php> |
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<env name="APP_ENV" value="testing" /> |
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<env name="CACHE_DRIVER" value="array" /> |
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<env name="SESSION_DRIVER" value="array" /> |
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</php> |
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</phpunit> |
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@ -1 +1,2 @@ |
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1.0.1: First version of Shortcodes |
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1.1.0: Replacing Shortcode implementation with WordPress clone |
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