From 955dc433dfd0e60d2bcb6874172013faf379b042 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sergio=20Mart=C3=ADnez=20Portela?=
 <sergio@codigoparallevar.com>
Date: Sun, 23 Oct 2022 21:50:33 +0200
Subject: [PATCH] Visually identify internal links.

---
 scripts/generate.py | 7 +++++--
 static/style.css    | 6 ++++++
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/scripts/generate.py b/scripts/generate.py
index 5730e9e..2c4cae8 100644
--- a/scripts/generate.py
+++ b/scripts/generate.py
@@ -424,7 +424,7 @@ def render_text_tokens(tokens, acc, headline, graph):
                                 or word.startswith('ftps://')
                                 ):
                             raise Exception('Is this a link? {} (on {})\nLine: {}\nChunks: {}'.format(word, headline.doc.path, line, chunks))
-                        line_chunks.append('<a href="{url}">{description}</a>'
+                        line_chunks.append('<a href="{url}" class="external">{description}</a>'
                                            .format(url=word,
                                                    description=html.escape(word)))
                     else:
@@ -435,6 +435,7 @@ def render_text_tokens(tokens, acc, headline, graph):
 
         elif isinstance(chunk, Link):
             link_target = chunk.value
+            is_internal_link = True
             if link_target.startswith('id:'):
                 link_target = './' + link_target[3:] + '.node.html'
             elif link_target.startswith('./') or link_target.startswith('../'):
@@ -456,6 +457,7 @@ def render_text_tokens(tokens, acc, headline, graph):
                 else:
                     link_target = './' + target_headline.id + '.node.html'
             else:
+                is_internal_link = False
                 if not (
                     link_target.startswith('https://')
                     or link_target.startswith('http://')
@@ -467,8 +469,9 @@ def render_text_tokens(tokens, acc, headline, graph):
             if description is None:
                 description = chunk.value
 
-            acc.append('<a href="{}">{}</a>'.format(
+            acc.append('<a href="{}" class="{}" >{}</a>'.format(
                 html.escape(link_target),
+                'internal' if is_internal_link else 'external',
                 html.escape(description),
             ))
         # else:
diff --git a/static/style.css b/static/style.css
index 9f6e141..97ef9fc 100644
--- a/static/style.css
+++ b/static/style.css
@@ -300,6 +300,12 @@ tr.__table-separator {
     a {
         color: #00fdf2;
     }
+    a.internal::before {
+        content: '{ ';
+    }
+    a.internal::after {
+        content: ' }';
+    }
     h1,h2,h3,h4,h5,h6 {
         color: #f7da4a;
     }