SGH / COMPONENTS

  (function(){
  

  if (
  	typeof self !== 'undefined' && !self.Prism ||
  	typeof global !== 'undefined' && !global.Prism
  ) {

  	return;
  }
  
  if (Prism.languages.css) {
  	Prism.languages.css.atrule.inside['atrule-id'] = /^@[\w-]+/;
  	
  	// check whether the selector is an advanced pattern before extending it
  	if (Prism.languages.css.selector.pattern)
  	{
  		Prism.languages.css.selector.inside['pseudo-class'] = /:[\w-]+/;
  		Prism.languages.css.selector.inside['pseudo-element'] = /::[\w-]+/;
  	}
  	else
  	{
  		Prism.languages.css.selector = {
  			pattern: Prism.languages.css.selector,
  			inside: {
  				'pseudo-class': /:[\w-]+/,
  				'pseudo-element': /::[\w-]+/
  			}
  		};
  	}
  }
  
  if (Prism.languages.markup) {
  	Prism.languages.markup.tag.inside.tag.inside['tag-id'] = /[\w-]+/;
  	
  	var Tags = {
  		HTML: {
  			'a': 1, 'abbr': 1, 'acronym': 1, 'b': 1, 'basefont': 1, 'bdo': 1, 'big': 1, 'blink': 1, 'cite': 1, 'code': 1, 'dfn': 1, 'em': 1, 'kbd': 1,  'i': 1, 
  			'rp': 1, 'rt': 1, 'ruby': 1, 's': 1, 'samp': 1, 'small': 1, 'spacer': 1, 'strike': 1, 'strong': 1, 'sub': 1, 'sup': 1, 'time': 1, 'tt': 1,  'u': 1, 
  			'var': 1, 'wbr': 1, 'noframes': 1, 'summary': 1, 'command': 1, 'dt': 1, 'dd': 1, 'figure': 1, 'figcaption': 1, 'center': 1, 'section': 1, 'nav': 1,
  			'article': 1, 'aside': 1, 'hgroup': 1, 'header': 1, 'footer': 1, 'address': 1, 'noscript': 1, 'isIndex': 1, 'main': 1, 'mark': 1, 'marquee': 1,
  			'meter': 1, 'menu': 1
  		},
  		SVG: {
  			'animateColor': 1, 'animateMotion': 1, 'animateTransform': 1, 'glyph': 1, 'feBlend': 1, 'feColorMatrix': 1, 'feComponentTransfer': 1, 
  			'feFuncR': 1, 'feFuncG': 1, 'feFuncB': 1, 'feFuncA': 1, 'feComposite': 1, 'feConvolveMatrix': 1, 'feDiffuseLighting': 1, 'feDisplacementMap': 1, 
  			'feFlood': 1, 'feGaussianBlur': 1, 'feImage': 1, 'feMerge': 1, 'feMergeNode': 1, 'feMorphology': 1, 'feOffset': 1, 'feSpecularLighting': 1, 
  			'feTile': 1, 'feTurbulence': 1, 'feDistantLight': 1, 'fePointLight': 1, 'feSpotLight': 1, 'linearGradient': 1, 'radialGradient': 1, 'altGlyph': 1, 

  			'textPath': 1, 'tref': 1, 'altglyph': 1, 'textpath': 1, 'altglyphdef': 1, 'altglyphitem': 1, 'clipPath': 1, 'color-profile': 1, 'cursor': 1,
  			'font-face': 1, 'font-face-format': 1, 'font-face-name': 1, 'font-face-src': 1, 'font-face-uri': 1, 'foreignObject': 1, 'glyphRef': 1,
  			'hkern': 1, 'vkern': 1

  		},
  		MathML: {}
  	}
  }
  
  var language;
  
  Prism.hooks.add('wrap', function(env) {

  	if ((env.type == 'tag-id'

  		|| (env.type == 'property' && env.content.indexOf('-') != 0)
  		|| (env.type == 'atrule-id'&& env.content.indexOf('@-') != 0)
  		|| (env.type == 'pseudo-class'&& env.content.indexOf(':-') != 0) 
  		|| (env.type == 'pseudo-element'&& env.content.indexOf('::-') != 0) 
  	    || (env.type == 'attr-name' && env.content.indexOf('data-') != 0)
  	    ) && env.content.indexOf('<') === -1
  	) {
  		var searchURL = 'w/index.php?fulltext&search=';

  		env.tag = 'a';
  		
  		var href = 'http://docs.webplatform.org/';
  		
  		if (env.language == 'css') {

  			href += 'wiki/css/';

  			
  			if (env.type == 'property') {
  				href += 'properties/';
  			}
  			else if (env.type == 'atrule-id') {
  				href += 'atrules/';
  			}
  			else if (env.type == 'pseudo-class') {
  				href += 'selectors/pseudo-classes/';
  			}
  			else if (env.type == 'pseudo-element') {
  				href += 'selectors/pseudo-elements/';
  			}
  		}
  		else if (env.language == 'markup') {
  			if (env.type == 'tag-id') {
  				// Check language
  				language = getLanguage(env.content) || language;
  				
  				if (language) {
  					href += 'wiki/' + language + '/elements/';
  				}
  				else {
  					href += searchURL;
  				}
  			}
  			else if (env.type == 'attr-name') {
  				if (language) {
  					href += 'wiki/' + language + '/attributes/';
  				}
  				else {
  					href += searchURL;
  				}
  			}
  		}
  		
  		href += env.content;
  		
  		env.attributes.href = href;
  		env.attributes.target = '_blank';
  	}
  });
  
  function getLanguage(tag) {
  	var tagL = tag.toLowerCase();
  	
  	if (Tags.HTML[tagL]) {
  		return 'html';
  	}
  	else if (Tags.SVG[tag]) {
  		return 'svg';
  	}
  	else if (Tags.MathML[tag]) {
  		return 'mathml';
  	}
  	
  	// Not in dictionary, perform check

  	if (Tags.HTML[tagL] !== 0 && typeof document !== 'undefined') {

  		var htmlInterface = (document.createElement(tag).toString().match(/\[object HTML(.+)Element\]/) || [])[1];
  		
  		if (htmlInterface && htmlInterface != 'Unknown') {
  			Tags.HTML[tagL] = 1;
  			return 'html';
  		}
  	}
  	
  	Tags.HTML[tagL] = 0;
  	

  	if (Tags.SVG[tag] !== 0 && typeof document !== 'undefined') {

  		var svgInterface = (document.createElementNS('http://www.w3.org/2000/svg', tag).toString().match(/\[object SVG(.+)Element\]/) || [])[1];
  		
  		if (svgInterface && svgInterface != 'Unknown') {
  			Tags.SVG[tag] = 1;
  			return 'svg';
  		}
  	}
  	
  	Tags.SVG[tag] = 0;
  	
  	// Lame way to detect MathML, but browsers don’t expose interface names there :(
  	if (Tags.MathML[tag] !== 0) {
  		if (tag.indexOf('m') === 0) {
  			Tags.MathML[tag] = 1;
  			return 'mathml';
  		}
  	}
  	
  	Tags.MathML[tag] = 0;
  	
  	return null;
  }
  
  })();