LICENSE NOTICE: ISC License

[shellwiki] / macros / toc

diff --git a/macros/toc b/macros/toc
index 308fceda9cab6ea6b52c8004cdfe603bdcaf366a..801347a9546a142b53e32e0e7baca77615fdbcf4 100755 (executable)
--- a/macros/toc
+++ b/macros/toc
@@ -1,5 +1,19 @@
 #!/bin/sh
 
+# Copyright 2022 - 2023 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
+# copyright notice and this permission notice appear in all copies.
+# 
+# THE SOFTWARE IS PROVIDED “AS IS” AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+# SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+# IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
 . "$_EXEC/cgilite/cgilite.sh"
 
 unset MD_MACROS
@@ -12,8 +26,13 @@ else
   md() { cat; }
 fi
 
+min="$1" max="$2"
+[ "$min" -ge 1 -a "$min" -le 6 ] || min=1
+[ "$max" -ge "$min" ] || max="$min"
+[ "$max" -le 6 ] || max=6
+
 md |sed -nE '
   1i<ul class="macro toc">
-  s;<(h[1-6]) id="([^"]*)">([^<]+)</h[1-6]>;<li class="toc \1"><a href="#\2">\3</a></li>;p
+  s;^.*<section class="(h[1-6])( [^"]+)?" id="([^"]*)"><h['${min}-${max}']>(([^<]|<[^aA]|<[aA][^ ])+)(<a class="anchor" href="[^>]*"></a>)?</h[1-6]>$;<li class="toc \1"><a href="#\3">\4</a></li>;p
   $i</ul>
 '