[ "$include_tools" ] && return 0
include_tools="$0"
-# Copyright 2022 - 2023 Paul Hänsch
+# Copyright 2022 - 2024 Paul Hänsch
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
. "${_EXEC}/cgilite/storage.sh"
+CACHE_AGE=${CACHE_AGE:-300}
+export MD_MACROS="$_EXEC/macros"
+export MD_HTML="${MD_HTML:-false}"
+
md(){
local parser
return 0
}
+wiki() {
+ # Print content of a wiki page
+ # Get page from data or underlay dir, handle caching
+ local page="$(PATH "$1")" mdfile cache cachetime
+
+ cache="$_DATA/pages/$page/#page:${LANGUAGE}.${USER_ID}.cache"
+
+ mdfile="$(mdfile "$page")" || return 4
+ acl_read "$page" || return 3
+
+ cachetime="$(stat -c %Y -- "$mdfile" "$cache" 2>/dev/null)"
+
+ if [ "${cachetime#*${BR}}" -gt "${cachetime%${BR}*}" \
+ -a "${cachetime#*${BR}}" -gt "$((_DATE - CACHE_AGE))" ]; then
+ cat "${cache}"
+ else
+ mkdir -p -- "$_DATA/pages/$page/"
+ # Macros expect to find page directory as working dir
+ ( cd -- "$_DATA/pages/$page/";
+ md <"$mdfile" \
+ | tee -- "${cache}.$$"
+ )
+ grep -q '^%nocache' "$mdfile" \
+ && rm -- "${cache}.$$" \
+ || mv -- "${cache}.$$" "${cache}"
+ fi
+}
+
size_human(){
local size="$1"
done
return 1
}
+
+page_title() {
+ local mdfile='' PAGE_TITLE=''
+
+ if mdfile="$(mdfile "${1}")"; then
+ PAGE_TITLE="$(
+ # pick title from %title pragma
+ sed -nE '
+ s;^%title[ \t]+([[:graph:]][[:print:]]+)\r?$;\1;p; tQ;
+ b; :Q q;
+ ' "$mdfile"
+ )"
+ [ ! "${PAGE_TITLE}" ] && PAGE_TITLE="$(
+ # pick title from first h1/h2 headline
+ MD_MACROS="" md <"$mdfile" \
+ | sed -nE '
+ s;^.*<h1[^>]*>(.*>)?([^<]+)(<.*)?</h1>.*$;\2;; tQ;
+ s;^.*<h2[^>]*>(.*>)?([^<]+)(<.*)?</h2>.*$;\2;; tQ;
+ b; :Q
+ # reverse escapes of cgilite HTML function,
+ # to prevent later double escaping
+ # later escaping must not be omited
+ s/</</g; s/>/>/g; s/"/'\"'/g; s/'/'\''/g;
+ s/[/[/g; s/]/]/g; s/
/\r/g; s/&/\&/g;
+ p; q;
+ '
+ )"
+ fi
+ if [ ! "${PAGE_TITLE}" ]; then
+ # use last part of page URL as title
+ PAGE_TITLE="${1%/}"
+ PAGE_TITLE="${PAGE_TITLE##*/}"
+ fi
+ printf %s\\n "$PAGE_TITLE"
+}