#!/bin/sh
+# Copyright 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.
+
+[ "$SEARCH_INDEX" != true ] && return 1
[ "${PATH_INFO%\[search\]}" = "$PATH_INFO" ] && return 1
. "$_EXEC/cgilite/storage.sh"
+. "$_EXEC/db23.sh"
I="$_DATA/index"
-words="$(GET q |tr '] \t\n\r!\"#'\''()*+,./:;<=>?\\^_`{|}~[-' ' ')"
+words="$( GET q | awk '
+ BEGIN { # Field separator FS should include punctuation, including Unicode Block U+2000 - U+206F
+ if ( length("¡") == 1 ) # Utf-8 aware AWK
+ FS = "([] \\t\\n\\r!\"#'\''()*+,./:;<=>?\\\\^_`{|}~[-]|%[0-9A-Fa-f]{2}|'"$(printf '[\342\200\200-\342\201\257]')"')+";
+ else # UTF-8 Hack
+ FS = "([] \\t\\n\\r!\"#'\''()*+,./:;<=>?\\\\^_`{|}~[-]|%[0-9A-Fa-f]{2}|'"$(printf '\342\200[\200-\277]|\342\201[\201-\257]')"')+";
+ fi
+ }
+ { for (n = 1; n <= NF; n++) printf "%s ", tolower($n); }
+')"
+
+searchteaser() {
+ local file="$1" words db3_data
+ local w l nc nl hits mhits cont mcont
+ shift 1; words="$*"
+
+ for w in ${words}; do
+ grep -hiwnF "$w" "$file"
+ done \
+ | sort -t: -k1 -n \
+ | { nc=-1 hits=0 mhits=0
+ while read -r l; do
+ nl="$nc" nc="${l%%:*}"
+ if [ $nc -eq $nl ]; then
+ hits=$((hits + 1))
+ elif [ $nc -eq $((nl + 1 )) ]; then
+ hits=$((hits + 1))
+ cont="${cont}${BR}${l#*:}"
+ elif [ $hits -gt $mhits ]; then
+ mhits="$hits" mcont="$cont"
+ hits=1 cont="${l#*:}"
+ else
+ hits=1 cont="${l#*:}"
+ fi
+ done
+
+ [ $hits -gt $mhits ] \
+ && STRING "$cont" \
+ || STRING "$mcont"
+ }
+}
for w in ${words}; do
[ ! -f "$I/$w" ] && continue
while read date doc freq num total; do
P="$_DATA/pages$(UNSTRING "$doc")"
- d="$(stat -c %Y -- "$P/#page.md")"
- [ "$d" -gt "$date" ] && continue
+ d="$(stat -c %Y -- "$P/#index.flag" 2>&-)"
+ [ "$d" -le "$date" -a -f "$P/#page.md" ] 2>&- || continue
printf '%s %f\n' "$doc" "$freq"
done <"$I/$w"
done \
| awk '
- { cnt[$1]++; weight[$1] = weight[$1] ? weight[$1] * $2 : $2; }
+ { cnt[$1]++; weight[$1] = weight[$1] ? weight[$1] + $2 : $2; }
END { m = 0; for (d in cnt) m = ( m < cnt[d] ) ? cnt[d] : m;
for (d in cnt) if ( cnt[d] == m ) printf "%f %s\n", weight[d], d;
}
| sort -nr \
| while read freq doc; do
page="$(UNSTRING "$doc")"
+ [ "${page%*/\[*\]/*}" != "$page" ] && continue
+ if [ "$LANGUAGE_DEFAULT" ]; then
+ [ -d "${_DATA}/pages/${page}/:${LANGUAGE}/" ] && continue
+ [ "${page%/:*/}" = "${page%/:${LANGUAGE}/}" ] || continue
+ fi
acl_read "$page" || continue
- printf '<li><a href="%s">%s</a></li>' "$(URL "$page")" "$(HTML "$page")"
+ printf '%s %s\n' "$doc" "$(searchteaser "$(mdfile "$page")" $words)"
done \
-| theme_page - <<-EOF
- <article>
- <h1>$(_ "Search results:")</h1>
- <ol class="searchresults">
- $(cat)
- </ol>
- </article>
- EOF
+| theme_search "${words% }"