From 680b00bd982c2625fab69c45728c653ebd1c0bf0 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Paul=20H=C3=A4nsch?= <paul@plutz.net>
Date: Tue, 6 Feb 2024 15:41:47 +0100
Subject: [PATCH] universal page_title function

---
 handlers/20_title.sh | 42 ++++--------------------------------------
 tools.sh             | 24 ++++++++++++++++++++++++
 2 files changed, 28 insertions(+), 38 deletions(-)

diff --git a/handlers/20_title.sh b/handlers/20_title.sh
index 3da07ff..35b5d3c 100755
--- a/handlers/20_title.sh
+++ b/handlers/20_title.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-# Copyright 2023 Paul Hänsch
+# Copyright 2023, 2024 Paul Hänsch
 # 
 # Permission to use, copy, modify, and/or distribute this software for any
 # purpose with or without fee is hereby granted, provided that the above
@@ -14,44 +14,10 @@
 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
 # IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
-if acl_read ${PATH_INFO}; then
-  mdfile="$(mdfile "${PATH_INFO%/*}")"
-else
-  PAGE_TITLE="${SITE_TITLE}"
-  return 1
+if acl_read "${PATH_INFO}"; then
+  PAGE_TITLE="$(page_title "${PATH_INFO%/*}")"
 fi
 
-if [ "$mdfile" ]; then
-  PAGE_TITLE="$(
-    sed -nE '
-      s;^%title[ \t]+([[:graph:]][[:print:]]+)\r?$;\1;p; tQ;
-      b; :Q q;
-    ' "$mdfile"
-  )"
-  [ ! "${PAGE_TITLE}" ] && PAGE_TITLE="$(
-    MD_MACROS="" md <"$mdfile" \
-    | sed -nE '
-      s;^.*<h1[^>]*>(.*>)?([^<]+)(<.*)?</h1>.*$;\2;p; tQ;
-      s;^.*<h2[^>]*>(.*>)?([^<]+)(<.*)?</h2>.*$;\2;p; tQ;
-      b; :Q q;
-    '
-  )"
-else
-  PAGE_TITLE="${SITE_TITLE}"
-  return 1
-fi
-
-case $PATH_INFO in
-  *"/[attachment]")
-    PAGE_TITLE="${PAGE_TITLE} ($(_ Attachments))"
-    ;;
-  *"/[revision]")
-    PAGE_TITLE="${PAGE_TITLE} ($(_ Revisions))"
-    ;;
-esac
-
-[ "$PAGE_TITLE" ] \
-&& PAGE_TITLE="${PAGE_TITLE}${SITE_TITLE:+ - ${SITE_TITLE}}" \
-|| PAGE_TITLE="${SITE_TITLE}"
+PAGE_TITLE="${PAGE_TITLE:-${SITE_TITLE:-${PATH_INFO}}}${PAGE_TITLE:+${SITE_TITLE:+ - ${SITE_TITLE}}}"
 
 return 1
diff --git a/tools.sh b/tools.sh
index a298394..dfa4594 100755
--- a/tools.sh
+++ b/tools.sh
@@ -185,3 +185,27 @@ has_tag() {
   done
   return 1
 }
+
+page_title() {
+  local mdfile PAGE_TITLE
+
+  if  mdfile="$(mdfile "${1:-${PATH_INFO%/*}}")"; then
+    PAGE_TITLE="$(
+      sed -nE '
+        s;^%title[ \t]+([[:graph:]][[:print:]]+)\r?$;\1;p; tQ;
+        b; :Q q;
+      ' "$mdfile"
+    )"
+    [ ! "${PAGE_TITLE}" ] && PAGE_TITLE="$(
+      MD_MACROS="" md <"$mdfile" \
+      | sed -nE '
+        s;^.*<h1[^>]*>(.*>)?([^<]+)(<.*)?</h1>.*$;\2;p; tQ;
+        s;^.*<h2[^>]*>(.*>)?([^<]+)(<.*)?</h2>.*$;\2;p; tQ;
+        b; :Q q;
+      '
+    )"
+    printf %s\\n "$PAGE_TITLE"
+  else
+    return 1
+  fi
+}
-- 
2.39.2