feat(markdown): simple lexer

5 files changed, 81 insertions, 3 deletions

diff --git a/README.md b/README.md
index 32fe710..1eddd2b 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,6 @@ It aims to be simple, minimalist, brutalist, indie, and personnal.
 ## How it works
 
 Backend written in modern Go.
-[gomarkdown/markdown](https://github.com/gomarkdown/markdown) looks like to be a good library.
 
 Light CSS, light JS, runs everywhere.
 SSR first.
@@ -29,3 +28,7 @@ This repository contains only the source code of the website, not the contents.
 Mock-ups are in `design`.
 Only HTML and raw CSS here.
 
+This project uses a custom markdown parser.
+It is located in `markdown`.
+I made my custom parser because I have extended its specification.
+
diff --git a/design/index.html b/design/index.html
index 64a8ed5..da598ec 100644
--- a/design/index.html
+++ b/design/index.html
@@ -58,7 +58,7 @@
     </main>
     <footer>
         <p>&copy; 2025 - Anhgelus Morhtuuzh</p>
-        <p>Une citation</p>
+        <p>«&thinsp;Une citation&thinsp;»</p>
         <p><a href="">Mentions légales</a></p>
     </footer>
 </body>
diff --git a/design/log.html b/design/log.html
index fd38f9a..709e918 100644
--- a/design/log.html
+++ b/design/log.html
@@ -88,7 +88,7 @@ func main() {
     </article>
     <footer>
         <p>&copy; 2025 - Anhgelus Morthuuzh</p>
-        <p>Une citation</p>
+        <p>«&thinsp;Une citation&thinsp;»</p>
         <p><a href="">Mentions légales</a></p>
     </footer>
 </body>
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..37b3f25
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module git.anhgelus.world/anhgelus/small-world
+
+go 1.25.1
diff --git a/mardown/lexer.go b/mardown/lexer.go
new file mode 100644
index 0000000..a7b364d
--- /dev/null
+++ b/mardown/lexer.go
@@ -0,0 +1,72 @@
+package mardown
+
+import "fmt"
+
+type lexerType string
+
+const (
+	lexerBreak lexerType = "break"
+
+	lexerModifier lexerType = "modifier"
+	lexerCode     lexerType = "code"
+	lexerHeader   lexerType = "header"
+	lexerQuote    lexerType = "quote"
+
+	lexerLiteral lexerType = "literal"
+)
+
+type lexer struct {
+	Type  lexerType
+	Value string
+}
+
+func (l *lexer) String() string {
+	return fmt.Sprintf("%s(%s)", l.Type, l.Value)
+}
+
+type lexers struct {
+	current int
+	lexers  []lexer
+}
+
+func (l *lexers) Next() lexer {
+	l.current++
+	return l.lexers[l.current]
+}
+
+func (l *lexers) Finished() bool {
+	return l.current+1 >= len(l.lexers)
+}
+
+func lex(s string) *lexers {
+	lxs := &lexers{current: -1}
+	var lexs []lexer
+	var currentType lexerType
+	var previous string
+	fn := func(c rune, t lexerType) {
+		if currentType != t && len(previous) > 0 {
+			lexs = append(lexs, lexer{Type: currentType, Value: previous})
+			previous = ""
+		}
+		currentType = t
+		previous += string(c)
+	}
+	for _, c := range []rune(s) {
+		switch c {
+		case '*', '_':
+			fn(c, lexerModifier)
+		case '`':
+			fn(c, lexerCode)
+		case '\n':
+			fn(c, lexerBreak)
+		case '#':
+			fn(c, lexerHeader)
+		case '>':
+			fn(c, lexerQuote)
+		default:
+			fn(c, lexerLiteral)
+		}
+	}
+	lxs.lexers = lexs
+	return lxs
+}