23 lines
		
	
	
	
		
			524 B
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			23 lines
		
	
	
	
		
			524 B
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| 
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| /**
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|  * Pre-transform that changes proprietary background attribute to CSS.
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|  */
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| class HTMLPurifier_AttrTransform_Background extends HTMLPurifier_AttrTransform {
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| 
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|     public function transform($attr, $config, $context) {
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| 
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|         if (!isset($attr['background'])) return $attr;
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| 
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|         $background = $this->confiscateAttr($attr, 'background');
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|         // some validation should happen here
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| 
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|         $this->prependCSS($attr, "background-image:url($background);");
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| 
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|         return $attr;
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| 
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|     }
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| 
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| }
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| 
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| // vim: et sw=4 sts=4
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