3 # Copyright 2023, 2024 Paul Hänsch
5 # Permission to use, copy, modify, and/or distribute this software for any
6 # purpose with or without fee is hereby granted, provided that the above
7 # copyright notice and this permission notice appear in all copies.
9 # THE SOFTWARE IS PROVIDED “AS IS” AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
12 # SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
15 # IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19 . "$_EXEC/cgilite/cgilite.sh"
20 . "$_EXEC/cgilite/storage.sh"
21 . "$_EXEC/cgilite/db23.sh"
25 _(){ printf %s\\n "$*"; }
26 [ "${LANGUAGE}" -a -r "${_EXEC}/l10n/${LANGUAGE}.sh" ] && . "${_EXEC}/l10n/${LANGUAGE}.sh"
28 show_form=true show_hits='' action='' query='' show_query='' hlevel='3' alt=''
31 while [ $# -gt 0 ]; do case $1 in
33 show_form=''; shift 1;;
35 [ ! "$show_query" ] && show_query=true
36 show_hits='true'; shift 1;;
38 show_query=true; shift 1;;
40 show_query=false; shift 1;;
42 action="$(HTML "$2")"; shift 2;;
44 action="$(HTML "${1#*=}")"; shift 1;;
45 --h1|--h2|--h3|--h4|--h5|--h6)
46 hlevel="${1#--h}"; shift 1;;
50 *) set -- "$@" "$1"; shift 1;;
53 [ $# -gt 0 ] && query="$*" || query="$(GET q)"
54 [ ! "$show_query" ] && show_query=false
57 local file="$1" words db3_data
58 local w l nc nl hits mhits cont mcont
62 grep -hiwnF "$w" "$file"
65 | { nc=-1 hits=0 mhits=0
67 nl="$nc" nc="${l%%:*}"
68 if [ $nc -eq $nl ]; then
70 elif [ $nc -eq $((nl + 1 )) ]; then
72 cont="${cont}${BR}${l#*:}"
73 elif [ $hits -gt $mhits ]; then
74 mhits="$hits" mcont="$cont"
81 [ $hits -gt $mhits ] \
87 if [ ! "$action" -a "$LANGUAGE" != "$LANGUAGE_DEFAULT" ]; then
88 action="./:${LANGUAGE}/[search]"
89 elif [ ! "$action" ]; then
93 if [ "${show_form}" = true ]; then
95 <form class="macro search" method="GET" action="${action}">
96 <input type="search" placeholder="$(_ Search)" name="q"
97 value="$([ "$show_query" = true ] && printf %s\\n "$query" |HTML)"
98 ><button type="submit" class="search">$(_ Search)</button>
103 if [ "${show_hits}" = true ]; then
104 { read tags; read ntags; read words; } <<-EOF
105 $(printf %s\\n "${query}" | awk '
106 BEGIN { # Field separator FS should include punctuation, including Unicode Block U+2000 - U+206F
107 if ( length("¡") == 1 ) # Utf-8 aware AWK
108 FS = "([] \\t\\n\\r\"'\''()*+,./:;<=>?\\\\^`{|}~[-]|%[0-9A-Fa-f]{2}|'"$(printf '[\342\200\200-\342\201\257]')"')+";
110 FS = "([] \\t\\n\\r\"'\''()*+,./:;<=>?\\\\^`{|}~[-]|%[0-9A-Fa-f]{2}|'"$(printf '\342\200[\200-\277]|\342\201[\201-\257]')"')+";
113 { t=0; for (n = 1; n <= NF; n++) if ($n ~ /#[[:alnum:]_]+/) tags[t++] = toupper($n);
114 t=0; for (n = 1; n <= NF; n++) if ($n ~ /![[:alnum:]_]+/) ntags[t++] = toupper($n);
115 t=0; for (n = 1; n <= NF; n++) if ($n !~ /![[:alnum:]_]+/) words[t++] = tolower($n);
116 for (t in tags) { sub(/^#/, "", tags[t]); printf "%s ", tags[t]; } print "";
117 for (t in ntags) { sub(/^!/, "", ntags[t]); printf "%s ", ntags[t]; } print "";
118 for (t in words) { gsub(/[!#_ ]+/, " ", words[t]); printf "%s ", words[t]; } print "";
123 for w in ${words}; do
124 [ ! -f "$I/$w" ] && continue
126 while read date doc freq num total; do
127 P="$_DATA/pages$(UNSTRING "$doc")"
128 d="$(stat -c %Y -- "$P/#index.flag" 2>&-)"
129 [ "$d" -le "$date" -a -f "$P/#page.md" ] 2>&- || continue
131 printf '%s %f\n' "$doc" "$freq"
135 { cnt[$1]++; weight[$1] = weight[$1] ? weight[$1] + $2 : $2; }
136 END { m = 0; for (d in cnt) m = ( m < cnt[d] ) ? cnt[d] : m;
137 for (d in cnt) if ( cnt[d] == m ) printf "%f %s\n", weight[d], d;
141 | while read freq doc; do
142 page="$(UNSTRING "$doc")"
143 [ "${page%*/\[*\]/*}" != "$page" ] && continue
144 if [ "$LANGUAGE_DEFAULT" ]; then
145 [ -d "${_DATA}/pages/${page}/:${LANGUAGE}/" ] && continue
146 [ "${page%/:*/}" = "${page%/:${LANGUAGE}/}" ] || continue
148 acl_read "$page" || continue
149 has_tags "$page" $tags || continue
150 has_tag "$page" $ntags && continue
151 printf '%s %s\n' "$doc" "$(searchteaser "$(mdfile "$page")" $words)"
153 | { while read -r p t; do
154 [ ! "$path" ] && printf '<ul class="macro search hits">'
155 path="$(UNSTRING "$p")" title="$(page_title "$path")"
156 path="$(HTML "$path")"
157 printf '<li><h%i><a href="%s">%s</a></h%i><p class="path">%s</p><p class="teaser">%s</p></li>' \
158 "${hlevel}" "$path" "$(HTML "$title")" "${hlevel}" \
159 "$path" "$(UNSTRING "$t" |HTML)"
161 [ "$path" ] && printf '</ul>'
162 [ ! "$path" -a "$alt" -a "$query" ] \
163 && printf '<p class="macro search hits">%s</p>' "$(HTML "$alt")"