use prism-tomorrow.css

docs/_style/prism-master/plugins/line-highlight/prism-line-highlight.js

@@ -0,0 +1,181 @@
+(function(){
+
+if (typeof self === 'undefined' || !self.Prism || !self.document || !document.querySelector) {
+	return;
+}
+
+function $$(expr, con) {
+	return Array.prototype.slice.call((con || document).querySelectorAll(expr));
+}
+
+function hasClass(element, className) {
+  className = " " + className + " ";
+  return (" " + element.className + " ").replace(/[\n\t]/g, " ").indexOf(className) > -1
+}
+
+// Some browsers round the line-height, others don't.
+// We need to test for it to position the elements properly.
+var isLineHeightRounded = (function() {
+	var res;
+	return function() {
+		if(typeof res === 'undefined') {
+			var d = document.createElement('div');
+			d.style.fontSize = '13px';
+			d.style.lineHeight = '1.5';
+			d.style.padding = 0;
+			d.style.border = 0;
+			d.innerHTML = '&nbsp;<br />&nbsp;';
+			document.body.appendChild(d);
+			// Browsers that round the line-height should have offsetHeight === 38
+			// The others should have 39.
+			res = d.offsetHeight === 38;
+			document.body.removeChild(d);
+		}
+		return res;
+	}
+}());
+
+function highlightLines(pre, lines, classes) {
+	lines = typeof lines === 'string' ? lines : pre.getAttribute('data-line');
+	
+	var ranges = lines.replace(/\s+/g, '').split(','),
+	    offset = +pre.getAttribute('data-line-offset') || 0;
+
+	var parseMethod = isLineHeightRounded() ? parseInt : parseFloat;
+	var lineHeight = parseMethod(getComputedStyle(pre).lineHeight);
+	var hasLineNumbers = hasClass(pre, 'line-numbers');
+
+	for (var i=0, currentRange; currentRange = ranges[i++];) {
+		var range = currentRange.split('-');
+
+		var start = +range[0],
+		    end = +range[1] || start;
+
+		var line = pre.querySelector('.line-highlight[data-range="' + currentRange + '"]') || document.createElement('div');
+
+		line.setAttribute('aria-hidden', 'true');
+		line.setAttribute('data-range', currentRange);
+		line.className = (classes || '') + ' line-highlight';
+
+		//if the line-numbers plugin is enabled, then there is no reason for this plugin to display the line numbers
+		if(hasLineNumbers && Prism.plugins.lineNumbers) {
+			var startNode = Prism.plugins.lineNumbers.getLine(pre, start);
+			var endNode = Prism.plugins.lineNumbers.getLine(pre, end);
+			
+			if (startNode) {
+				line.style.top = startNode.offsetTop + 'px';
+			}
+			
+			if (endNode) {
+				line.style.height = (endNode.offsetTop - startNode.offsetTop) + endNode.offsetHeight + 'px';
+			}
+		} else {
+			line.setAttribute('data-start', start);
+
+			if(end > start) {
+				line.setAttribute('data-end', end);
+			}
+			
+			line.style.top = (start - offset - 1) * lineHeight + 'px';
+
+			line.textContent = new Array(end - start + 2).join(' \n');
+		}
+
+		//allow this to play nicely with the line-numbers plugin
+		if(hasLineNumbers) {
+			//need to attack to pre as when line-numbers is enabled, the code tag is relatively which screws up the positioning
+			pre.appendChild(line);
+		} else {
+			(pre.querySelector('code') || pre).appendChild(line);
+		}
+	}
+}
+
+function applyHash() {
+	var hash = location.hash.slice(1);
+
+	// Remove pre-existing temporary lines
+	$$('.temporary.line-highlight').forEach(function (line) {
+		line.parentNode.removeChild(line);
+	});
+
+	var range = (hash.match(/\.([\d,-]+)$/) || [,''])[1];
+
+	if (!range || document.getElementById(hash)) {
+		return;
+	}
+
+	var id = hash.slice(0, hash.lastIndexOf('.')),
+	    pre = document.getElementById(id);
+
+	if (!pre) {
+		return;
+	}
+
+	if (!pre.hasAttribute('data-line')) {
+		pre.setAttribute('data-line', '');
+	}
+
+	highlightLines(pre, range, 'temporary ');
+
+	document.querySelector('.temporary.line-highlight').scrollIntoView();
+}
+
+var fakeTimer = 0; // Hack to limit the number of times applyHash() runs
+
+Prism.hooks.add('before-sanity-check', function(env) {
+	var pre = env.element.parentNode;
+	var lines = pre && pre.getAttribute('data-line');
+
+	if (!pre || !lines || !/pre/i.test(pre.nodeName)) {
+		return;
+	}
+	
+	/*
+	* Cleanup for other plugins (e.g. autoloader).
+	 *
+	 * Sometimes <code> blocks are highlighted multiple times. It is necessary
+	 * to cleanup any left-over tags, because the whitespace inside of the <div>
+	 * tags change the content of the <code> tag.
+	 */
+	var num = 0;
+	$$('.line-highlight', pre).forEach(function (line) {
+		num += line.textContent.length;
+		line.parentNode.removeChild(line);
+	});
+	// Remove extra whitespace
+	if (num && /^( \n)+$/.test(env.code.slice(-num))) {
+		env.code = env.code.slice(0, -num);
+	}
+});
+
+Prism.hooks.add('complete', function completeHook(env) {
+	var pre = env.element.parentNode;
+	var lines = pre && pre.getAttribute('data-line');
+
+	if (!pre || !lines || !/pre/i.test(pre.nodeName)) {
+		return;
+	}
+
+	clearTimeout(fakeTimer);
+
+	var hasLineNumbers = Prism.plugins.lineNumbers;
+	var isLineNumbersLoaded = env.plugins && env.plugins.lineNumbers;
+
+	if (hasClass(pre, 'line-numbers') && hasLineNumbers && !isLineNumbersLoaded) {
+		Prism.hooks.add('line-numbers', completeHook);
+	} else {
+		highlightLines(pre, lines);
+		fakeTimer = setTimeout(applyHash, 1);
+	}
+});
+
+	window.addEventListener('hashchange', applyHash);
+	window.addEventListener('resize', function () {
+		var preElements = document.querySelectorAll('pre[data-line]');
+		Array.prototype.forEach.call(preElements, function (pre) {
+			highlightLines(pre);
+		});
+	});
+
+})();