M cmd/server/genblog.go → cmd/server/genblog.go

@@ -25,6 +25,62 @@ fmt.Println("Generating blog posts...")
 	generateBlogPosts(blogDataSlice)
 }
 
+func fillLinks(content []byte, post blogData) string {
+	state := 0 // 1: link text, 2: attachment text, 5 link, 6 attachment
+	var parsedCont, linkText strings.Builder
+	for i, char := range content {
+		switch {
+		// no state, not in any links
+		case state == 0:
+			if char != '{' { // continue if no link is found
+				parsedCont.WriteByte(char)
+				continue
+			}
+			state = 3
+			continue
+		case state == 3:
+			// check link type
+			switch char {
+			case 'l':
+				state = 1
+				parsedCont.WriteString("<a href=\"")
+				continue
+			case 'a':
+				state = 2
+				parsedCont.WriteString("<a href=\"")
+				parsedCont.WriteString(
+					"/attachments/" + post.Date + " " + post.Title + "/")
+				continue
+			default:
+				fmt.Printf("ERROR: invalid link identifier at i: %d\n", i)
+				panic(1)
+			}
+
+		// parsing link text
+		case state == 1 || state == 2:
+			if char == '|' {
+				state += 4
+				continue
+			}
+			linkText.WriteByte(char)
+
+		// parsing link
+		case state == 5 || state == 6:
+			if char != '}' {
+				parsedCont.WriteByte(char)
+				continue
+			}
+
+			parsedCont.WriteString(
+				"\">" + linkText.String() + "</a>")
+			state = 0
+			linkText.Reset()
+			continue
+		}
+	}
+	return parsedCont.String()
+}
+
 func generateBlogPage() []blogData {
 	// open blog dir
 	blogDir, err := os.Open("blog")
@@ -79,7 +135,10 @@ "blog/" + post.Date + " " + post.Title + "/post.txt")
 		if err != nil {
 			fmt.Printf("ERROR reading post file: %s\n", err)
 		}
-		post.Text = string(content)
+		post.Text = fillLinks(content, post)
+		if post.Text == "" {
+			fmt.Printf("ERROR converting links\n")
+		}
 		post.Text = strings.ReplaceAll(post.Text, "\n", "<br>")
 
 		tpl, err := template.ParseFiles("templates/blogpost.gotmpl")

M cmd/server/main.go → cmd/server/main.go

@@ -24,8 +24,10 @@ return
 	}
 
 	fs := http.FileServer(http.Dir("static"))
+	blogfs := http.FileServer(http.Dir("blog"))
 
 	http.Handle("/static/", http.StripPrefix("/static/", fs))
+	http.Handle("/attachments/", http.StripPrefix("/attachments/", blogfs))
 
 	http.HandleFunc("/", handler)