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<?php |
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declare(strict_types=1); |
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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\Styles; |
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use Seboettg\Collection\Map\MapInterface; |
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use SimpleXMLElement; |
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use function Seboettg\Collection\Map\emptyMap; |
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/** |
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* Trait FormattingTrait |
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* @package Seboettg\CiteProc\Styles |
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* @author Sebastian Böttger <[email protected]> |
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*/ |
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trait FormattingTrait |
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{ |
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/** |
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* @var array |
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*/ |
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private static array $formattingAttributes = [ |
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'font-style', |
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'font-family', |
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'font-weight', |
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'font-variant', |
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'text-decoration', |
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'vertical-align' |
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]; |
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private MapInterface $formattingOptions; |
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private bool $stripPeriods = false; |
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private string $format; |
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/** |
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* @param SimpleXMLElement $node |
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*/ |
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protected function initFormattingAttributes(SimpleXMLElement $node) |
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{ |
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$this->formattingOptions = emptyMap(); |
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/** @var SimpleXMLElement $attribute */ |
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foreach ($node->attributes() as $attribute) { |
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$name = $attribute->getName(); |
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$value = (string) $attribute; |
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if (in_array($name, self::$formattingAttributes)) { |
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$this->formattingOptions->put($name, $value); |
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} |
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} |
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} |
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protected function format($text) |
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{ |
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if (empty($text)) { |
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return $text; |
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} |
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if ($this->formattingOptions->count() > 0) { |
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$format = ""; |
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foreach ($this->formattingOptions as $option => $optionValue) { |
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if ($optionValue === "italic") { |
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$text = "<i>$text</i>"; |
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} elseif ($optionValue === "bold") { |
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$text = "<b>$text</b>"; |
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} elseif ($optionValue === "normal") { |
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$text = "$text"; |
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} elseif ($option === "vertical-align") { |
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if ($optionValue === "sub") { |
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$text = "<sub>$text</sub>"; |
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} elseif ($optionValue === "sup") { |
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$text = "<sup>$text</sup>"; |
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} |
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} elseif ($option === "text-decoration" && $optionValue === "none") { |
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$format .= ""; |
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} else { |
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$format .= "$option: $optionValue;"; |
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} |
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} |
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if (!empty($format)) { |
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$text = sprintf("<span style=\"%s\">%s</span>", $format, $text); |
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} |
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} |
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return $text; |
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} |
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} |
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seboettg /
citeproc-php
