add feature: line number for code block

README.md

@@ -2,4 +2,12 @@
 
 > forked from qiubaiying/qiubaiying.github.io
 
-https://hugueliu.github.io/
+https://hugueliu.github.io/
+
+## TODO
+
+- [ ] 主页添加分类
+- [ ] 按照时间分类
+- [ ] 添加字数统计
+- [ ] 添加访问统计
+

_includes/footer.html

@@ -268,3 +268,15 @@
 </script>
 {% endif %}
 
+
+
+<!-- line number for code block -->
+<script>
+var pres = document.getElementsByTagName("pre");
+for(var i = 0; i < pres.length; i++){
+    var pre = pres[i];
+    if(pre.childNodes[0].nodeName == "CODE"){
+        pre.setAttribute("class","line-numbers");
+    }
+}
+</script>

_includes/head.html

@@ -63,6 +63,9 @@
         });
     </script>
 
+    <script src="{{ "/js/prism.js " | prepend: site.baseurl }}"></script>
+    <link rel="stylesheet" href="{{ "/css/prism.css" | prepend: site.baseurl }}">
+
     <!-- ga & ba script hoook -->
     <script></script>
 </head>

_posts/2019-12-27-github_jekyll_equation_suppport.md

@@ -18,7 +18,7 @@ tags:
 
 在`_includes/head.html`中添加以下内容：
 
-```javascript{.line-numbers}
+```html{.line-numbers}
 <!-- 数学公式 -->
 <script src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML" type="text/javascript"></script>
 <script type="text/x-mathjax-config">
@@ -38,7 +38,7 @@ TeX: {equationNumbers: {autoNumber: "AMS"}},
 ```
 
 最终设置为：
-```javascript{.line-numbers}
+```html{.line-numbers}
 <script src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML" type="text/javascript"></script>
     <script type="text/x-mathjax-config">
         MathJax.Hub.Config({

css/prism.css

@@ -0,0 +1,228 @@
+/* PrismJS 1.17.1
+https://prismjs.com/download.html#themes=prism-okaidia&languages=markup+css+clike+javascript+bash+c+csharp+cpp+css-extras+git+go+java+json+jsonp+json5+latex+less+makefile+markdown+markup-templating+matlab+php+plsql+python+sass+scss+sql&plugins=line-highlight+line-numbers+inline-color */
+/**
+ * okaidia theme for JavaScript, CSS and HTML
+ * Loosely based on Monokai textmate theme by http://www.monokai.nl/
+ * @author ocodia
+ */
+
+code[class*="language-"],
+pre[class*="language-"] {
+	color: #f8f8f2;
+	background: none;
+	text-shadow: 0 1px rgba(0, 0, 0, 0.3);
+	font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
+	font-size: 1em;
+	text-align: left;
+	white-space: pre;
+	word-spacing: normal;
+	word-break: normal;
+	word-wrap: normal;
+	line-height: 1.5;
+
+	-moz-tab-size: 4;
+	-o-tab-size: 4;
+	tab-size: 4;
+
+	-webkit-hyphens: none;
+	-moz-hyphens: none;
+	-ms-hyphens: none;
+	hyphens: none;
+}
+
+/* Code blocks */
+pre[class*="language-"] {
+	padding: 1em;
+	margin: .5em 0;
+	overflow: auto;
+	border-radius: 0.3em;
+}
+
+:not(pre) > code[class*="language-"],
+pre[class*="language-"] {
+	background: #272822;
+}
+
+/* Inline code */
+:not(pre) > code[class*="language-"] {
+	padding: .1em;
+	border-radius: .3em;
+	white-space: normal;
+}
+
+.token.comment,
+.token.prolog,
+.token.doctype,
+.token.cdata {
+	color: slategray;
+}
+
+.token.punctuation {
+	color: #f8f8f2;
+}
+
+.namespace {
+	opacity: .7;
+}
+
+.token.property,
+.token.tag,
+.token.constant,
+.token.symbol,
+.token.deleted {
+	color: #f92672;
+}
+
+.token.boolean,
+.token.number {
+	color: #ae81ff;
+}
+
+.token.selector,
+.token.attr-name,
+.token.string,
+.token.char,
+.token.builtin,
+.token.inserted {
+	color: #a6e22e;
+}
+
+.token.operator,
+.token.entity,
+.token.url,
+.language-css .token.string,
+.style .token.string,
+.token.variable {
+	color: #f8f8f2;
+}
+
+.token.atrule,
+.token.attr-value,
+.token.function,
+.token.class-name {
+	color: #e6db74;
+}
+
+.token.keyword {
+	color: #66d9ef;
+}
+
+.token.regex,
+.token.important {
+	color: #fd971f;
+}
+
+.token.important,
+.token.bold {
+	font-weight: bold;
+}
+.token.italic {
+	font-style: italic;
+}
+
+.token.entity {
+	cursor: help;
+}
+
+pre[data-line] {
+	position: relative;
+	padding: 1em 0 1em 3em;
+}
+
+.line-highlight {
+	position: absolute;
+	left: 0;
+	right: 0;
+	padding: inherit 0;
+	margin-top: 1em; /* Same as .prism’s padding-top */
+
+	background: hsla(24, 20%, 50%,.08);
+	background: linear-gradient(to right, hsla(24, 20%, 50%,.1) 70%, hsla(24, 20%, 50%,0));
+
+	pointer-events: none;
+
+	line-height: inherit;
+	white-space: pre;
+}
+
+	.line-highlight:before,
+	.line-highlight[data-end]:after {
+		content: attr(data-start);
+		position: absolute;
+		top: .4em;
+		left: .6em;
+		min-width: 1em;
+		padding: 0 .5em;
+		background-color: hsla(24, 20%, 50%,.4);
+		color: hsl(24, 20%, 95%);
+		font: bold 65%/1.5 sans-serif;
+		text-align: center;
+		vertical-align: .3em;
+		border-radius: 999px;
+		text-shadow: none;
+		box-shadow: 0 1px white;
+	}
+
+	.line-highlight[data-end]:after {
+		content: attr(data-end);
+		top: auto;
+		bottom: .4em;
+	}
+
+.line-numbers .line-highlight:before,
+.line-numbers .line-highlight:after {
+	content: none;
+}
+
+pre[class*="language-"].line-numbers {
+	position: relative;
+	padding-left: 3.8em;
+	counter-reset: linenumber;
+}
+
+pre[class*="language-"].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;
+		}
+
+span.inline-color {
+	display: inline-block;
+	height: 1.333ch;
+	width: 1.333ch;
+	margin: 0 .333ch;
+	box-sizing: border-box;
+	border: 1px solid white;
+	outline: 1px solid black;
+}
+