Agent::wrapImportedStyles()   A
last analyzed

Complexity

Conditions 1
Paths 1

Size

Total Lines 3
Code Lines 1

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
eloc 1
c 1
b 0
f 0
dl 0
loc 3
rs 10
cc 1
nc 1
nop 1
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<?php
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declare(strict_types=1);
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namespace ReliqArts\StyleImporter\Importer;
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use ReliqArts\StyleImporter\CSS\Processor;
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use ReliqArts\StyleImporter\CSS\Ruleset;
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use ReliqArts\StyleImporter\Exception\ActiveViewHtmlRetrievalFailed;
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use ReliqArts\StyleImporter\HTML\Extractor;
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use ReliqArts\StyleImporter\Importer;
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use ReliqArts\StyleImporter\Util\FileAssistant;
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use ReliqArts\StyleImporter\Util\ViewAccessor;
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final class Agent implements Importer
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{
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    private const STYLE_TAG_TEMPLATE = '<style type="text/css">%s</style>';
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    /**
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     * @var ViewAccessor
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     */
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    private $activeViewAccessor;
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    /**
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     * @var Extractor
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     */
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    private $htmlExtractor;
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    /**
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     * @var Processor
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     */
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    private $cssProcessor;
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    /**
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     * @var FileAssistant
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     */
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    private $fileAssistant;
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    /**
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     * Importer constructor.
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     *
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     * @param ViewAccessor  $activeViewAccessor
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     * @param Extractor     $htmlExtractor
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     * @param Processor     $cssProcessor
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     * @param FileAssistant $fileAssistant
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     */
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    public function __construct(
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        ViewAccessor $activeViewAccessor,
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        Extractor $htmlExtractor,
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        Processor $cssProcessor,
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        FileAssistant $fileAssistant
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    ) {
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        $this->activeViewAccessor = $activeViewAccessor;
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        $this->htmlExtractor = $htmlExtractor;
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        $this->cssProcessor = $cssProcessor;
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        $this->fileAssistant = $fileAssistant;
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    }
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    /**
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     * @param string $stylesheetUrl
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     * @param string ...$initialHtmlElements
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     *
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     * @throws ActiveViewHtmlRetrievalFailed
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     *
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     * @return string
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     */
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    public function import(string $stylesheetUrl, string ...$initialHtmlElements): string
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    {
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        $viewHtml = $this->activeViewAccessor->getViewHTML();
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        $elements = array_merge($initialHtmlElements, $this->htmlExtractor->extract($viewHtml));
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        $stylesheet = $this->fileAssistant->getFileContents($stylesheetUrl);
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        $cssRules = $this->cssProcessor->getStyles($stylesheet, ...$elements);
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        return $this->wrapImportedStyles($cssRules);
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    }
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    /**
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     * @param Ruleset $styles
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     *
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     * @return string
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     */
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    private function wrapImportedStyles(Ruleset $styles): string
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    {
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        return sprintf(self::STYLE_TAG_TEMPLATE, $styles);
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    }
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}
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