From d6f2b884f3b9f094b08d2d4e66e666f5b04c46ad Mon Sep 17 00:00:00 2001
From: =?utf8?q?Paul=20H=C3=A4nsch?= <paul@plutz.net>
Date: Tue, 19 Sep 2023 18:40:13 +0200
Subject: [PATCH] allow tag filtering in `pagelist` and `include`, allow
 multiple paths in `pagelist` and `include`

---
 macros/include  | 17 +++++++++++++----
 macros/pagelist | 22 +++++++++++++++-------
 2 files changed, 28 insertions(+), 11 deletions(-)

diff --git a/macros/include b/macros/include
index f300584..ac72de9 100755
--- a/macros/include
+++ b/macros/include
@@ -18,8 +18,9 @@
 . "$_EXEC/acl.sh"
 . "$_EXEC/tools.sh"
 
-from='1'; to='$'; rev=''; items='$'; hl=0; link='true'
+from='1'; to='$'; rev=''; items='$'; hl=0; link='true'; depth=0; tags=''; page='';
 
+set -- "$@" --
 while [ $# -gt 0 ]; do case $1 in
   --from) from="$2"; shift 2;;
   from=*) from="${1#*=}"; shift 1;;
@@ -30,7 +31,10 @@ while [ $# -gt 0 ]; do case $1 in
   --rev|--reverse) rev="-r"; shift 1;;
   --nolink) link=""; shift 1;;
   --hl|-hl) hl=$2; shift 2;;
-  *) page="$1"; shift 1;;
+  --depth) depth=$2; shift 2;;
+  \#*) tags="${tags}${tags:+ }${1}"; shift 1;;
+  --) shift 1; break;;
+  *) set -- "$@" "$1"; shift 1;;
 esac; done
 
 if ! printf %s\\n "$from" |grep -qEx '[0-9]+|/([^/\\]|\\/|\\.)*/'; then
@@ -46,13 +50,18 @@ if ! printf %s\\n "$items" |grep -qEx '\$|[0-9]+'; then
   exit 1
 fi
 
-page_glob "$page" \
+for page in "$@"; do
+  page_glob "$page" "$depth"
+done \
 | sort $rev \
 | sed "${items}q" \
 | while read glob; do
   page="$(page_abs "$glob")"
-  acl_read "$page" || continue
   mdfile="$(mdfile "$page")" || continue
+  acl_read "$page" || continue
+  has_tags "$page" $tags || continue
+  printf %s\\n "$INCLUDE_LIST" |grep -qxF "$page" && continue
+  export INCLUDE_LIST="${INCLUDE_LIST}${INCLUDE_LIST:+${BR}}$page"
   hglob="$(HTML "$glob")"
   refpfx="$(printf %s\\n "$hglob" |sed 's;[\;&\;];\\&;g')"
   [ "$link" ] \
diff --git a/macros/pagelist b/macros/pagelist
index f4be177..2971515 100755
--- a/macros/pagelist
+++ b/macros/pagelist
@@ -18,30 +18,38 @@
 . "$_EXEC/acl.sh"
 . "$_EXEC/tools.sh"
 
+tags='' dir='' depth='' glob_system_pages=false
+
+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;;
+  --) 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 "$glob"
+  for dir in "$@"; 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 "$pagedir" \
+    && has_tags "$pagedir" $tags \
     && printf '<li><a href="%s">%s</a></li>' "$(HTML "$page")" "$(HTML "$page")"
   done
 printf '</ul>\n'
-- 
2.39.2