data/resources/prism/: Import from upstream, HEAD of branch gh-pages

3 files changed, 253 insertions, 0 deletions

diff --git a/data/resources/prism/plugins/data-uri-highlight/prism-data-uri-highlight.js b/data/resources/prism/plugins/data-uri-highlight/prism-data-uri-highlight.js
new file mode 100644
index 0000000..7ff8d1f
--- /dev/null
+++ b/data/resources/prism/plugins/data-uri-highlight/prism-data-uri-highlight.js
@@ -0,0 +1,98 @@
+(function () {
+
+	if (
+		typeof self !== 'undefined' && !self.Prism ||
+		typeof global !== 'undefined' && !global.Prism
+	) {
+		return;
+	}
+
+	var autoLinkerProcess = function (grammar) {
+		if (Prism.plugins.autolinker) {
+			Prism.plugins.autolinker.processGrammar(grammar);
+		}
+		return grammar;
+	};
+	var dataURI = {
+		pattern: /(.)\bdata:[^\/]+\/[^,]+,(?:(?!\1)[\s\S]|\\\1)+(?=\1)/,
+		lookbehind: true,
+		inside: {
+			'language-css': {
+				pattern: /(data:[^\/]+\/(?:[^+,]+\+)?css,)[\s\S]+/,
+				lookbehind: true
+			},
+			'language-javascript': {
+				pattern: /(data:[^\/]+\/(?:[^+,]+\+)?javascript,)[\s\S]+/,
+				lookbehind: true
+			},
+			'language-json': {
+				pattern: /(data:[^\/]+\/(?:[^+,]+\+)?json,)[\s\S]+/,
+				lookbehind: true
+			},
+			'language-markup': {
+				pattern: /(data:[^\/]+\/(?:[^+,]+\+)?(?:html|xml),)[\s\S]+/,
+				lookbehind: true
+			}
+		}
+	};
+
+	// Tokens that may contain URLs
+	var candidates = ['url', 'attr-value', 'string'];
+
+	Prism.plugins.dataURIHighlight = {
+		processGrammar: function (grammar) {
+			// Abort if grammar has already been processed
+			if (!grammar || grammar['data-uri']) {
+				return;
+			}
+
+			Prism.languages.DFS(grammar, function (key, def, type) {
+				if (candidates.indexOf(type) > -1 && Prism.util.type(def) !== 'Array') {
+					if (!def.pattern) {
+						def = this[key] = {
+							pattern: def
+						};
+					}
+
+					def.inside = def.inside || {};
+
+					if (type == 'attr-value') {
+						Prism.languages.insertBefore('inside', def.inside['url-link'] ? 'url-link' : 'punctuation', {
+							'data-uri': dataURI
+						}, def);
+					}
+					else {
+						if (def.inside['url-link']) {
+							Prism.languages.insertBefore('inside', 'url-link', {
+								'data-uri': dataURI
+							}, def);
+						} else {
+							def.inside['data-uri'] = dataURI;
+						}
+					}
+				}
+			});
+			grammar['data-uri'] = dataURI;
+		}
+	};
+
+	Prism.hooks.add('before-highlight', function (env) {
+		// Prepare the needed grammars for this code block
+		if (dataURI.pattern.test(env.code)) {
+			for (var p in dataURI.inside) {
+				if (dataURI.inside.hasOwnProperty(p)) {
+					if (!dataURI.inside[p].inside && dataURI.inside[p].pattern.test(env.code)) {
+						var lang = p.match(/^language-(.+)/)[1];
+						if (Prism.languages[lang]) {
+							dataURI.inside[p].inside = {
+								rest: autoLinkerProcess(Prism.languages[lang])
+							};
+						}
+					}
+				}
+			}
+		}
+
+		Prism.plugins.dataURIHighlight.processGrammar(env.grammar);
+	});
+}());
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diff --git a/data/resources/prism/plugins/line-numbers/prism-line-numbers.css b/data/resources/prism/plugins/line-numbers/prism-line-numbers.css
new file mode 100644
index 0000000..d5cbfd3
--- /dev/null
+++ b/data/resources/prism/plugins/line-numbers/prism-line-numbers.css
@@ -0,0 +1,41 @@
+pre.line-numbers {
+	position: relative;
+	padding-left: 3.8em;
+	counter-reset: linenumber;
+}
+
+pre.line-numbers > code {
+	position: relative;
+    white-space: inherit;
+}
+
+.line-numbers .line-numbers-rows {
+	position: absolute;
+	pointer-events: none;
+	top: 0;
+	font-size: 100%;
+	left: -3.8em;
+	width: 3em; /* works for line-numbers below 1000 lines */
+	letter-spacing: -1px;
+	border-right: 1px solid #999;
+
+	-webkit-user-select: none;
+	-moz-user-select: none;
+	-ms-user-select: none;
+	user-select: none;
+
+}
+
+	.line-numbers-rows > span {
+		pointer-events: none;
+		display: block;
+		counter-increment: linenumber;
+	}
+
+		.line-numbers-rows > span:before {
+			content: counter(linenumber);
+			color: #999;
+			display: block;
+			padding-right: 0.8em;
+			text-align: right;
+		}
\ No newline at end of file
diff --git a/data/resources/prism/plugins/line-numbers/prism-line-numbers.js b/data/resources/prism/plugins/line-numbers/prism-line-numbers.js
new file mode 100644
index 0000000..dea8e3a
--- /dev/null
+++ b/data/resources/prism/plugins/line-numbers/prism-line-numbers.js
@@ -0,0 +1,114 @@
+(function () {
+
+	if (typeof self === 'undefined' || !self.Prism || !self.document) {
+		return;
+	}
+
+	/**
+	 * Class name for <pre> which is activating the plugin
+	 * @type {String}
+	 */
+	var PLUGIN_CLASS = 'line-numbers';
+
+	/**
+	 * Resizes line numbers spans according to height of line of code
+	 * @param  {Element} element <pre> element
+	 */
+	var _resizeElement = function (element) {
+		var codeStyles = getStyles(element);
+		var whiteSpace = codeStyles['white-space'];
+
+		if (whiteSpace === 'pre-wrap' || whiteSpace === 'pre-line') {
+			var codeElement = element.querySelector('code');
+			var lineNumbersWrapper = element.querySelector('.line-numbers-rows');
+			var lineNumberSizer = element.querySelector('.line-numbers-sizer');
+			var codeLines = element.textContent.split('\n');
+
+			if (!lineNumberSizer) {
+				lineNumberSizer = document.createElement('span');
+				lineNumberSizer.className = 'line-numbers-sizer';
+
+				codeElement.appendChild(lineNumberSizer);
+			}
+
+			lineNumberSizer.style.display = 'block';
+
+			codeLines.forEach(function (line, lineNumber) {
+				lineNumberSizer.textContent = line || '\n';
+				var lineSize = lineNumberSizer.getBoundingClientRect().height;
+				lineNumbersWrapper.children[lineNumber].style.height = lineSize + 'px';
+			});
+
+			lineNumberSizer.textContent = '';
+			lineNumberSizer.style.display = 'none';
+		}
+	};
+
+	/**
+	 * Returns style declarations for the element
+	 * @param {Element} element
+	 */
+	var getStyles = function (element) {
+		if (!element) {
+			return null;
+		}
+
+		return window.getComputedStyle ? getComputedStyle(element) : (element.currentStyle || null);
+	};
+
+	window.addEventListener('resize', function () {
+		Array.prototype.forEach.call(document.querySelectorAll('pre.' + PLUGIN_CLASS), _resizeElement);
+	});
+
+	Prism.hooks.add('complete', function (env) {
+		if (!env.code) {
+			return;
+		}
+
+		// works only for <code> wrapped inside <pre> (not inline)
+		var pre = env.element.parentNode;
+		var clsReg = /\s*\bline-numbers\b\s*/;
+		if (
+			!pre || !/pre/i.test(pre.nodeName) ||
+			// Abort only if nor the <pre> nor the <code> have the class
+			(!clsReg.test(pre.className) && !clsReg.test(env.element.className))
+		) {
+			return;
+		}
+
+		if (env.element.querySelector(".line-numbers-rows")) {
+			// Abort if line numbers already exists
+			return;
+		}
+
+		if (clsReg.test(env.element.className)) {
+			// Remove the class "line-numbers" from the <code>
+			env.element.className = env.element.className.replace(clsReg, ' ');
+		}
+		if (!clsReg.test(pre.className)) {
+			// Add the class "line-numbers" to the <pre>
+			pre.className += ' line-numbers';
+		}
+
+		var match = env.code.match(/\n(?!$)/g);
+		var linesNum = match ? match.length + 1 : 1;
+		var lineNumbersWrapper;
+
+		var lines = new Array(linesNum + 1);
+		lines = lines.join('<span></span>');
+
+		lineNumbersWrapper = document.createElement('span');
+		lineNumbersWrapper.setAttribute('aria-hidden', 'true');
+		lineNumbersWrapper.className = 'line-numbers-rows';
+		lineNumbersWrapper.innerHTML = lines;
+
+		if (pre.hasAttribute('data-start')) {
+			pre.style.counterReset = 'linenumber ' + (parseInt(pre.getAttribute('data-start'), 10) - 1);
+		}
+
+		env.element.appendChild(lineNumbersWrapper);
+
+		_resizeElement(pre);
+	});
+
+}());
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