Fix some more issues

main.go

@@ -37,6 +37,7 @@ preview: {{.Preview}}
 {{- end}}
 type: {{.Type}}
 hide: {{.Hide}}
+toc: {{.Toc}}
 ---
 `
 )
@@ -112,6 +113,10 @@ func main() {
 					Name:  "hide",
 					Usage: "Hides the article",
 				},
+				&cli.BoolFlag{
+					Name:  "toc",
+					Usage: "Adds a table of contents to the article",
+				},
 				&cli.BoolFlag{
 					Name:  "top",
 					Usage: "Places the article at the top",
@@ -202,6 +207,7 @@ func New(c *cli.Context) {
 	top := "false"
 	postType := "post"
 	hide := "false"
+	toc := "false"
 	date := time.Now()
 
 	// Empty string values
@@ -245,6 +251,9 @@ func New(c *cli.Context) {
 	if c.Bool("hide") {
 		hide = "true"
 	}
+	if c.Bool("toc") {
+		toc = "true"
+	}
 	if c.Bool("draft") {
 		draft = "true"
 	}
@@ -299,6 +308,7 @@ func New(c *cli.Context) {
 		"Top":        top,
 		"Type":       postType,
 		"Hide":       hide,
+		"Toc":        toc,
 		"Preview":    preview,
 		"Cover":      cover,
 		"Tags":       tagString,

parse.go

@@ -67,6 +67,7 @@ type ArticleConfig struct {
 	Top        bool
 	Type       string
 	Hide       bool
+	Toc        bool
 	Image      string
 	Subtitle   string
 	Config     map[string]interface{}
@@ -129,11 +130,14 @@ func renderHookLazyLoadImage(w io.Writer, node ast.Node, entering bool) (ast.Wal
 	return ast.GoToNext, false
 }
 
-func ParseMarkdown(markdown string) template.HTML {
+func ParseMarkdown(markdown string, toc bool) template.HTML {
 	extensions := parser.CommonExtensions | parser.Footnotes
 	parser := parser.NewWithExtensions(extensions)
 
 	htmlFlags := html.CommonFlags
+	if toc {
+		htmlFlags |= html.TOC
+	}
 	opts := html.RendererOptions{Flags: htmlFlags, RenderNodeHook: renderHookLazyLoadImage}
 	renderer := html.NewRenderer(opts)
 
@@ -226,10 +230,10 @@ func ParseArticleConfig(markdownPath string) (config *ArticleConfig, content str
 	// Parse preview splited by MORE_SPLIT
 	previewAry := strings.SplitN(content, MORE_SPLIT, 2)
 	if len(config.Preview) <= 0 && len(previewAry) > 1 {
-		config.Preview = ParseMarkdown(previewAry[0])
+		config.Preview = ParseMarkdown(previewAry[0], false)
 		content = strings.Replace(content, MORE_SPLIT, "", 1)
 	} else {
-		config.Preview = ParseMarkdown(string(config.Preview))
+		config.Preview = ParseMarkdown(string(config.Preview), false)
 	}
 	return config, content
 }
@@ -250,7 +254,7 @@ func ParseArticle(markdownPath string) *Article {
 	article.Preview = config.Preview
 	article.Config = config.Config
 	article.Markdown = content
-	article.Content = ParseMarkdown(content)
+	article.Content = ParseMarkdown(content, config.Toc)
 	if config.Date != "" {
 		article.Time = ParseDate(config.Date)
 		article.Date = article.Time.Unix()

render.go

@@ -66,13 +66,28 @@ func RenderArticles(tpl template.Template, articles Collections) {
 	for i := range articles {
 		currentArticle := articles[i].(Article)
 		var renderArticle = RenderArticle{currentArticle, nil, nil}
-		if i >= 1 {
-			article := articles[i-1].(Article)
-			renderArticle.Prev = &article
-		}
-		if i <= articleCount-2 {
-			article := articles[i+1].(Article)
-			renderArticle.Next = &article
+		// Only show next and prev article if it is not hidden
+		if !renderArticle.Hide {
+			if i >= 1 {
+				// Find prev unhidden article
+				for j := i - 1; j >= 0; j-- {
+					prevArticle := articles[j].(Article)
+					if !prevArticle.Hide {
+						renderArticle.Prev = &prevArticle
+						break
+					}
+				}
+			}
+			if i <= articleCount-2 {
+				// Find next unhidden article
+				for j := i + 1; j < articleCount; j++ {
+					nextArticle := articles[j].(Article)
+					if !nextArticle.Hide {
+						renderArticle.Next = &nextArticle
+						break
+					}
+				}
+			}
 		}
 		outPath := filepath.Join(publicPath, currentArticle.Link)
 		wg.Add(1)
@@ -164,8 +179,8 @@ func RenderArticleList(rootPath string, articles Collections, tagName string) {
 			"Develop":  globalConfig.Develop,
 			"Page":     i + 1,
 			"Total":    page,
-			"Prev":     prev,
-			"Next":     next,
+			"Prev":     template.URL(filepath.ToSlash(prev)),
+			"Next":     template.URL(filepath.ToSlash(next)),
 			"TagName":  tagName,
 			"TagCount": len(articles),
 		}

template/source/ink-blog-tool-en.md

@@ -23,6 +23,21 @@ InkPaper is a static blog generator developed in Golang. No dependencies, cross
 
 - Open `http://localhost:8000` in your browser to preview
 
+### Features
+- YAML format configuration
+- Markdown format articles
+- No dependencies, cross platform
+- Super fast build times
+- Continuously improving theme and typography
+- Multiple article authors support
+- Archive and tag generation
+- Real-time preview when saving
+- Offline full-text keyword search
+- $\LaTeX$ style math formula support (MathJax):
+
+$$
+\int_{-\infty}^\infty g(x) dx = \frac{1}{2\pi i} \oint_{\gamma} \frac{f(z)}{z-g(x)} dz
+$$
 ### Website Configuration
 Edit `config.yml`, use this format:
 
@@ -70,6 +85,7 @@ tags: #Optional
     - Tag2
 type: post #Specify type is post or page, Optional
 hide: false #Hide article，can be accessed via URL, Optional
+toc: false #Show table of contents，Optional
 
 ---
 

template/source/ink-blog-tool.md

@@ -34,6 +34,11 @@ preview: 纸小墨（InkPaper）是一个GO语言编写的开源静态博客构
 - 归档与标签自动生成
 - 保存时实时预览页面
 - 离线的全文关键字搜索
+- $\LaTeX$ 风格的数学公式支持（MathJax）：
+
+$$ 
+\int_{-\infty}^\infty g(x) dx = \frac{1}{2\pi i} \oint_{\gamma} \frac{f(z)}{z-g(x)} dz
+$$
 
 ### 配置网站
 编辑`config.yml`，使用如下格式：
@@ -82,6 +87,7 @@ tags: #可选
     - 标签2
 type: post #指定类型为文章(post)或页面(page)，可选
 hide: false #隐藏文章，只可通过链接访问，可选
+toc: false #是否显示文章目录，可选
 
 ---
 

template/theme/_head.html

@@ -51,6 +51,10 @@
     };
     var root = '{{.Site.Root}}';
 </script>
+
+<script src="https://polyfill.io/v3/polyfill.min.js?features=es6"></script>
+<script id="MathJax-script" async src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js"></script>
+
 {{if .Develop}}
 <script type="text/javascript">
     var conn, reloadTimer, connectTimer;