+w_refuri="$(URL "$PATH_INFO")?$(HTML "$QUERY_STRING")"
+
+w_str_s="$(STRING "$SEARCH")"
+w_str_f="$(STRING "$FILTER")"
+
+taglist(){
+ list_meta |sed -E '
+ s;^.*\ttags=([^\t]*)\t.*$;\1;;
+ s;,;\n;g;
+ ' \
+ | sort |uniq -c |sort -rn |sed -E 's;^ *[0-9]+ ;;;' \
+ | UNSTRING | HTML \
+ | sed -E 's;
\;;\n;g; s;\n+;\n;g;'
+}
+tagorder(){
+ printf '*\n%s\n$\n' "$w_tagcategories" \
+ | while read -r category; do
+ printf '%s\n' "$w_tags" \
+ | { [ "$category" = '*' ] && grep -avF ':' || grep -awF "${category}"; } \
+ | { sed -u 10q; sort; }
+ done
+}
+
+c_tags="$_DATA/.index/tags.cache";
+if [ ! -s "$c_tags" ]; then
+ taglist >"$c_tags.$$"
+ mv "$c_tags.$$" "$c_tags"
+fi
+w_tags="$(cat "$c_tags")"
+w_tagcategories="$(
+ printf %s "$w_tags" \
+ | sed -rn '/:/s;^-?([^:]+):.*$;\1;p' \
+ |sort -u
+)"
+w_tags="$(tagorder)"
+
+[ "$ORDER" = Name ] && w_coname=checked
+[ "$ORDER" = Date ] && w_codate=checked
+[ "$ORDER" = Length ] && w_colength=checked
+[ "$ORDER" = Group ] && w_cogroup=checked
+
+w_bmname=
+w_bmname(){
+ [ "$w_bmname" ] || w_bmname="$(
+ bm="$_DATA/.index/bookmarks"
+ name="$(grep -m1 -aF " search=${w_str_s} filter=${w_str_f}${CR}" "$bm" 2>&-)"
+
+ if [ "$name" ]; then
+ printf '%s' "$name" |cut -f1 |UNSTRING |HTML
+ else
+ printf '%s\t%s' "$SEARCH" "$FILTER" \
+ | sed -r '/^\t$/{ s;\t;All;; q;}
+ /.*\t$/{ s;\t$;;; q;}
+ /^\t.*/{ s;^\t;;;
+ :x; s;(^|[~^|])([^|^~:]+):;\1;; tx;
+ s;\^; and ;g; s;\|;,;g; s;~;not ;g; q;}' \
+ | HTML
+ fi
+ )"
+ printf '%s' "$w_bmname"
+}
+
+w_bookmarks(){
+ local bm="$_DATA/.index/bookmarks" name='' search='' filter=''
+ [ ! -d "${bm%/*}" ] && return 0
+ [ ! -f "$bm" ] && touch "$bm"
+
+ grep -qaF " search=$w_str_s filter=${w_str_f}${CR}" "$bm" && name=Update || name=Add
+
+ cat <<-EOF
+ [form #bookmarks action=?a=bookmark method=POST
+ [a href="#" x]
+ [hidden "ref" "${w_refuri}"]
+ [hidden "search" "$(HTML "$SEARCH")"][hidden "filter" "$(HTML "$FILTER")"]
+ [label Name for current page:]
+ [input name="name" value="$(w_bmname)" placeholder="Name" ]
+ [button type="submit" . ${name}]
+ EOF
+ [ "$name" ] && printf ' [submit "delete" "delete" Delete]'
+
+ sort "$bm" |while read -r name search filter; do
+ search="${search#search=}" filter="${filter#filter=}" filter="${filter%${CR}}"
+ [ "$search" = "${w_str_s}" -a "$filter" = "${w_str_f}" ] && continue
+
+ name="$(UNSTRING "$name")";
+ search="$(UNSTRING "${search}" |URL)";
+ filter="$(UNSTRING "${filter}" |URL)";
+ printf '
+ [label .link . %s]
+ [a .link target=blank href="/?o=Name&s=%s&f=%s" by Name]
+ [a .link target=blank href="/?o=Date&s=%s&f=%s" by Date]
+ [a .link target=blank href="/?o=Length&s=%s&f=%s" by Length]
+ [a .link target=blank href="/?o=Group&s=%s&f=%s" by Group]
+ ' "$(HTML "$name" |sed 's;,\;;&[wbr];g;')" \
+ "$search" "$filter" "$search" "$filter" \
+ "$search" "$filter" "$search" "$filter"
+ done
+ printf ']'
+}