allow negative tag selection

[shellwiki] / macros / pagelist

diff --git a/macros/pagelist b/macros/pagelist
index ed4ddbe753b14f4638483939376a78b56c24ab17..ced89eb1efedc8bf92ab66cc9b93ac2a09b51857 100755 (executable)
--- a/macros/pagelist
+++ b/macros/pagelist
@@ -1,33 +1,76 @@
 #!/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.
+
 . "$_EXEC/cgilite/cgilite.sh"
 . "$_EXEC/acl.sh"
 . "$_EXEC/tools.sh"
 
+tags='' ntags='' dir='' depth='' glob_system_pages=false
+label='' labeltype='' altlabel='' cnt=0
+
+set -- "$@" --
 while [ $# -gt 0 ]; do case $1 in
   --system) glob_system_pages=true; shift 1;;
   --depth)  depth="$2" shift 2;;
+  \#*) tags="${tags}${tags:+ }${1###}"; shift 1;;
+  \!*) ntags="${ntags}${ntags:+ }${1##!}"; shift 1;;
+  --h1|--h2|--h3|--h4|--h5|--h6|--label)
+    labeltype="${1#--}" label="$2"; shift 2;;
+  --alt-label)
+    altlabel="$2"; shift 2;;
+  --) shift 1; break;;
   *) if [ ! "$dir" ]; then
       dir="$1"
+      set -- "$@" "$1"; shift 1;
     elif [ ! "$depth" ]; then
-      depth="$1"
-    fi
-    shift 1;;
+      depth="$1"; shift 1;
+    else
+      set -- "$@" "$1"; shift 1;
+    fi;;
 esac; done
 
-[ "$dir" ] || dir=*
+[ "$*" ] || set -- "*"
 [ "$depth" -ge 0 -o "$depth" -le 0 ] 2>&- || depth=0
 
-printf '<ul class="macro pagelist">\n'
-  page_glob "$dir" "$depth" \
-  | while read -r glob; do
-    printf %s\\n "$glob"
-  done \
-  | while read -r page; do
+for dir in "$@"; do
+  page_glob "$dir" "$depth"
+done \
+| sort -u \
+| {
+  while read -r page; do
     pagedir="$(page_abs "$page")"
-    [ -f "$_DATA/pages/${pagedir}/#page.md" -o \
-      -f "$_EXEC/pages/${pagedir}/#page.md" ] \
-    && acl_read "$pagedir" \
-    && printf '<li><a href="%s">%s</a></li>' "$(HTML "$page")" "$(HTML "$page")"
+    if [ -f "$_DATA/pages/${pagedir}/#page.md" -o \
+         -f "$_EXEC/pages/${pagedir}/#page.md" ] \
+       && acl_read "$pagedir" \
+       && has_tags "$pagedir" $tags \
+       && ! has_tag "$pagedir" $ntags
+    then
+      [ "$cnt" -eq 0 -a "$label" ] \
+      && printf '<%s class="macro pagelist label">%s</%s>' \
+         "$labeltype" "$(HTML "$label")" "$labeltype"
+      [ "$cnt" -eq 0 ] && printf '<ul class="macro pagelist">\n'
+
+      printf '<li><a href="%s">%s</a></li>' "$(HTML "$page")" "$(HTML "$page")"
+      cnt="$((cnt + 1))"
+    fi
   done
-printf '</ul>\n'
+
+  if [ "$cnt" -gt 0 ]; then
+    printf '</ul>\n'
+  elif [ "$altlabel" ]; then
+    printf '<label class="macro pagelist altlabel">%s</label>' "$(HTML "$altlabel")"
+  fi
+}