From e1d7691ebd38e27b14f2549e01e59c08ea84d821 Mon Sep 17 00:00:00 2001
From: Minijackson <minijackson@riseup.net>
Date: Sun, 28 Nov 2021 16:35:37 +0100
Subject: filters: relativize links when inside inline element

---
 src/filters.rs | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/src/filters.rs b/src/filters.rs
index 8dbe578..9e37371 100644
--- a/src/filters.rs
+++ b/src/filters.rs
@@ -1,6 +1,6 @@
 use std::{collections::HashMap, path::Path};
 
-use log::trace;
+use log::{trace, warn};
 use pandoc_ast::MutVisitor;
 
 // If a link points to `./a/b/c.ext`, and a file in the output directory `pdbook/./a/b/c.html`
@@ -13,10 +13,13 @@ pub struct RelativizeUrls<'a> {
 }
 
 impl<'a> pandoc_ast::MutVisitor for RelativizeUrls<'a> {
-    fn walk_inline(&mut self, inline: &mut pandoc_ast::Inline) {
+    fn visit_inline(&mut self, inline: &mut pandoc_ast::Inline) {
         let link = match inline {
             pandoc_ast::Inline::Link(_, _, target) => &mut target.0,
-            _ => return,
+            _ => {
+                self.walk_inline(inline);
+                return;
+            }
         };
 
         if link.starts_with('#') || link.contains("://") {
@@ -26,6 +29,7 @@ impl<'a> pandoc_ast::MutVisitor for RelativizeUrls<'a> {
         let link_path = self.source_dir.join(&link);
 
         if link_path.is_absolute() {
+            warn!("Link is absolute: '{}'", link_path.display());
             return;
         }
 
@@ -46,7 +50,13 @@ impl<'a> pandoc_ast::MutVisitor for RelativizeUrls<'a> {
                 .expect("Path constructed from UTF-8 valid strings in not UTF-8 valid")
                 .to_string();
 
-            trace!("Relativizing link '{}' -> into '{}'", link_path.display(), link);
+            trace!(
+                "Relativizing link '{}' -> into '{}'",
+                link_path.display(),
+                link
+            );
+        } else {
+            warn!("Could not relativize link '{}'", link_path.display());
         }
     }
 }
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