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<?php |
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/** |
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* @package s9e\TextFormatter |
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* @copyright Copyright (c) 2010-2019 The s9e Authors |
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* @license http://www.opensource.org/licenses/mit-license.php The MIT License |
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*/ |
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namespace s9e\TextFormatter\Configurator\TemplateNormalizations; |
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use DOMAttr; |
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use DOMElement; |
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use s9e\TextFormatter\Configurator\Helpers\AVTHelper; |
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/** |
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* Uninline element attributes |
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* |
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* Will replace |
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* <a href="{@url}">...</a> |
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* with |
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* <a><xsl:attribute name="href"><xsl:value-of select="@url"/></xsl:attribute>...</a> |
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*/ |
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class UninlineAttributes extends AbstractNormalization |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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protected $queries = ['//*[namespace-uri() != $XSL]']; |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function normalizeElement(DOMElement $element) |
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{ |
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$firstChild = $element->firstChild; |
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while ($element->attributes->length > 0) |
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{ |
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$attribute = $element->attributes->item(0); |
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$element->insertBefore($this->uninlineAttribute($attribute), $firstChild); |
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} |
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} |
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/** |
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* Remove an attribute from its parent element and return its content as an xsl:attribute |
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* |
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* @param DOMAttr $attribute Attribute node |
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* @return DOMElement xsl:attribute element |
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*/ |
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protected function uninlineAttribute(DOMAttr $attribute) |
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{ |
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$xslAttribute = (strpos($attribute->value, '{') === false) |
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? $this->uninlineStaticAttribute($attribute) |
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: $this->uninlineDynamicAttribute($attribute); |
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// Set the xsl:attribute element's name |
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$xslAttribute->setAttribute('name', $attribute->nodeName); |
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// Remove the attribute from its parent element |
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$attribute->parentNode->removeAttributeNode($attribute); |
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return $xslAttribute; |
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} |
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/** |
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* Uninline an AVT-style attribute |
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* |
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* @param DOMAttr $attribute Attribute node |
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* @return DOMElement xsl:attribute element |
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*/ |
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protected function uninlineDynamicAttribute(DOMAttr $attribute) |
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{ |
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$xslAttribute = $this->createElement('xsl:attribute'); |
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// Build the content of the xsl:attribute element |
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foreach (AVTHelper::parse($attribute->value) as list($type, $content)) |
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{ |
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if ($type === 'expression') |
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{ |
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$childNode = $this->createElement('xsl:value-of'); |
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$childNode->setAttribute('select', $content); |
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} |
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else |
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{ |
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$childNode = $this->createElement('xsl:text'); |
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$childNode->appendChild($this->createTextNode($content)); |
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} |
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$xslAttribute->appendChild($childNode); |
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} |
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return $xslAttribute; |
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} |
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/** |
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* Uninline an attribute with a static value |
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* |
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* @param DOMAttr $attribute Attribute node |
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* @return DOMElement xsl:attribute element |
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*/ |
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protected function uninlineStaticAttribute(DOMAttr $attribute) |
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{ |
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return $this->createElement('xsl:attribute', str_replace('}}', '}', $attribute->value)); |
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} |
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} |
s9e /
TextFormatter
