feat: new default style and more

awk/fenced_code.awk

@@ -1,11 +1,20 @@
-BEGIN { in_fence = 0; first_line = 0 }
+BEGIN { in_fence = 0; first_line = 0; code_tag = "<code>" }
 {
     if (!in_fence && $0 ~ /^```/) {
         in_fence = 1
         first_line = 1
+        lang = $0
+        sub(/^```[[:space:]]*/, "", lang)
+        sub(/[[:space:]]*$/, "", lang)
+        if (lang != "") {
+            code_tag = "<code class=\"language-" lang "\">"
+        } else {
+            code_tag = "<code>"
+        }
         next
     }
     if (in_fence && $0 ~ /^```[[:space:]]*$/) {
+        if (first_line) printf "%s", "<pre>" code_tag
         print "</code></pre>"
         in_fence = 0
         next
@@ -14,8 +23,12 @@ BEGIN { in_fence = 0; first_line = 0 }
         gsub(/&/, "\\&amp;"); gsub(/</, "\\&lt;"); gsub(/>/, "\\&gt;")
         if (first_line) {
             first_line = 0
-            if ($0 == "") next
-            print "<pre><code>" $0
+            printf "%s", "<pre>" code_tag
+            if ($0 == "") {
+                print ""
+                next
+            }
+            print $0
         } else {
             print
         }
@@ -24,5 +37,8 @@ BEGIN { in_fence = 0; first_line = 0 }
     }
 }
 END {
-    if (in_fence) print "</code></pre>"
+    if (in_fence) {
+        if (first_line) printf "%s", "<pre>" code_tag
+        print "</code></pre>"
+    }
 }

awk/indented_code.awk

@@ -1,9 +1,20 @@
-BEGIN { in_code = 0 }
-/^	|    / {
-    if (!in_code) { print "<pre><code>"; in_code = 1 }
-    sub(/^	|    /, "", $0)
-    gsub(/&/, "\\&amp;"); gsub(/</, "\\&lt;"); gsub(/>/, "\\&gt;")
-    print; next
+BEGIN { in_code = 0; in_html_pre = 0 }
+{
+    if ($0 ~ /<pre>/) in_html_pre = 1
+    if ($0 ~ /<\/pre>/) { in_html_pre = 0; if (in_code) { print "</code></pre>"; in_code = 0 }; print; next }
+    
+    if (!in_html_pre && $0 ~ /^(\t|    )/) {
+        if (!in_code) { printf "%s", "<pre><code>"; in_code = 1 }
+        sub(/^(\t|    )/, "", $0)
+        gsub(/&/, "\\&amp;"); gsub(/</, "\\&lt;"); gsub(/>/, "\\&gt;")
+        print
+        next
+    }
+    
+    if (in_code) {
+        print "</code></pre>"
+        in_code = 0
+    }
+    print
 }
-{ if (in_code) { print "</code></pre>"; in_code = 0 } print }
 END { if (in_code) print "</code></pre>" }

awk/render_template.awk

@@ -1,9 +1,17 @@
-function replace_all(text, token, value, pos, token_len) {
+function replace_all(text, token, value, pos, token_len, res) {
     token_len = length(token)
+    res = ""
     while ((pos = index(text, token)) > 0) {
-        text = substr(text, 1, pos - 1) value substr(text, pos + token_len)
+        res = res substr(text, 1, pos - 1) value
+        text = substr(text, pos + token_len)
+    }
+    return res text
+}
+
+BEGIN {
+    if (current_url != "") {
+        nav = replace_all(nav, "href=\"" current_url "\"", "href=\"" current_url "\" class=\"current-page\"")
     }
-    return text
 }
 
 {