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<?php |
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/* |
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* citeproc-php |
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* |
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* @link http://github.com/seboettg/citeproc-php for the source repository |
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* @copyright Copyright (c) 2016 Sebastian Böttger. |
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* @license https://opensource.org/licenses/MIT |
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*/ |
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namespace Seboettg\CiteProc\Style; |
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use Seboettg\CiteProc\CiteProc; |
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use Seboettg\CiteProc\Exception\InvalidStylesheetException; |
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use Seboettg\CiteProc\Rendering\Layout; |
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use Seboettg\CiteProc\Root\Root; |
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use Seboettg\CiteProc\Style\Sort\Sort; |
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use SimpleXMLElement; |
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/** |
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* Class StyleElement |
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* |
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* StyleElement is an abstract class which must be extended by Citation and Bibliography class. The constructor |
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* of StyleElement class parses the cs:layout element (necessary for cs:citation and cs:bibliography) and the optional |
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* cs:sort element. |
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* |
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* @package Seboettg\CiteProc\Style |
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* |
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* @author Sebastian Böttger <[email protected]> |
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*/ |
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abstract class StyleElement |
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{ |
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use InheritableNameAttributesTrait; |
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/** |
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* @var Layout |
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*/ |
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protected $layout; |
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/** |
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* @var bool |
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*/ |
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protected $doNotSort; |
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protected $parent; |
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/** |
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* Parses the configuration. |
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* |
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* @param SimpleXMLElement $node |
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* @param Root $parent |
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* @throws InvalidStylesheetException |
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*/ |
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protected function __construct(SimpleXMLElement $node, $parent) |
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{ |
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$this->parent = $parent; |
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// init child elements |
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/** @var SimpleXMLElement $child */ |
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foreach ($node->children() as $child) { |
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switch ($child->getName()) { |
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/* The cs:layout rendering element is a required child element of cs:citation and cs:bibliography. It |
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* must contain one or more of the other rendering elements described below, and may carry affixes and |
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* formatting attributes. |
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*/ |
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case 'layout': |
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$this->layout = Layout::factory($child); |
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$this->layout->setParent($this); |
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break; |
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/* cs:citation and cs:bibliography may include a cs:sort child element before the cs:layout element to |
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* specify the sorting order of respectively cites within citations, and bibliographic entries within |
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* the bibliography. In the absence of cs:sort, cites and bibliographic entries appear in the order in |
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* which they are cited. |
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*/ |
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case 'sort': |
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$sorting = new Sort($child); |
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CiteProc::getContext()->setSorting($sorting); |
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} |
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} |
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} |
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/** |
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* @return Root |
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*/ |
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public function getParent() |
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{ |
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return $this->parent; |
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} |
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} |
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seboettg /
citeproc-php
