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<?php |
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|
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/** |
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* A handler for processor instructions. |
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*/ |
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namespace WindPressPackages\Masterminds\HTML5; |
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|
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/** |
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* Provide an processor to handle embedded instructions. |
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* |
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* XML defines a mechanism for inserting instructions (like PHP) into a |
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* document. These are called "Processor Instructions." The HTML5 parser |
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* provides an opportunity to handle these processor instructions during |
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* the tree-building phase (before the DOM is constructed), which makes |
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* it possible to alter the document as it is being created. |
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* |
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* One could, for example, use this mechanism to execute well-formed PHP |
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* code embedded inside of an HTML5 document. |
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*/ |
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interface InstructionProcessor |
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{ |
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/** |
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* Process an individual processing instruction. |
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* |
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* The process() function is responsible for doing the following: |
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* - Determining whether $name is an instruction type it can handle. |
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* - Determining what to do with the data passed in. |
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* - Making any subsequent modifications to the DOM by modifying the |
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* DOMElement or its attached DOM tree. |
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* |
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* @param \DOMElement $element The parent element for the current processing instruction. |
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* @param string $name The instruction's name. E.g. `<?php` has the name `php`. |
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* @param string $data All of the data between the opening and closing PI marks. |
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* |
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* @return \DOMElement The element that should be considered "Current". This may just be |
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* the element passed in, but if the processor added more elements, |
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* it may choose to reset the current element to one of the elements |
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* it created. (When in doubt, return the element passed in.) |
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*/ |
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public function process(\DOMElement $element, $name, $data); |
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} |
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|
