this.hiliteWords = function()

in plugin/search/plugin.js [150:196]
42 lines of code
17 McCabe index (conditional complexity)

		this.hiliteWords = function(node)
		{
			if(node == undefined || !node) return;
			if(!matchRegex) return;
			if(skipTags.test(node.nodeName)) return;

			if(node.hasChildNodes()) {
				for(var i=0; i < node.childNodes.length; i++)
					this.hiliteWords(node.childNodes[i]);
			}
			if(node.nodeType == 3) { // NODE_TEXT
				var nv, regs;
				if((nv = node.nodeValue) && (regs = matchRegex.exec(nv))) {
					//find the slide's section element and save it in our list of matching slides
					var secnode = node;
					while (secnode != null && secnode.nodeName != 'SECTION') {
						secnode = secnode.parentNode;
					}

					var slideIndex = deck.getIndices(secnode);
					var slidelen = matchingSlides.length;
					var alreadyAdded = false;
					for (var i=0; i < slidelen; i++) {
						if ( (matchingSlides[i].h === slideIndex.h) && (matchingSlides[i].v === slideIndex.v) ) {
							alreadyAdded = true;
						}
					}
					if (! alreadyAdded) {
						matchingSlides.push(slideIndex);
					}

					if(!wordColor[regs[0].toLowerCase()]) {
						wordColor[regs[0].toLowerCase()] = colors[colorIdx++ % colors.length];
					}

					var match = document.createElement(hiliteTag);
					match.appendChild(document.createTextNode(regs[0]));
					match.style.backgroundColor = wordColor[regs[0].toLowerCase()];
					match.style.fontStyle = "inherit";
					match.style.color = "#000";

					var after = node.splitText(regs.index);
					after.nodeValue = after.nodeValue.substring(regs[0].length);
					node.parentNode.insertBefore(match, after);
				}
			}
		};