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147 lines
4.5 KiB
Perl
Executable File
147 lines
4.5 KiB
Perl
Executable File
#!/usr/bonsaitools/bin/perl
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# $Id: search,v 1.7 1999/09/17 01:07:34 endico%mozilla.org Exp $
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# search -- Freetext search
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#
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# Arne Georg Gleditsch <argggh@ifi.uio.no>
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# Per Kristian Gjermshus <pergj@ifi.uio.no>
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#
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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######################################################################
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use lib 'lib/';
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use LXR::Common;
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use LXR::Config;
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$maxhits = 1000;
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sub search {
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print("<P ALIGN=CENTER>\n",
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"Free-text search through the source code, including comments.\n",
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"<BR>By default, this form treats all characters as literals. \n",
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"<BR>Search strings can have a maximum of 29 characters.\n",
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"<BR>Read the <A HREF=\"search-help.html\">documentation</A>",
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" for help with glimpse's regular expression syntax,\n");
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print("<TABLE><TR><TD>");
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print("<form method=get action=\"search\">\n");
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foreach ($Conf->allvariables) {
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if ($Conf->variable($_) ne $Conf->vardefault($_)) {
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print("<input type=hidden name=\"",$_, "\" ",
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"value=\"", $Conf->variable($_), "\">\n");
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}
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}
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$s = $searchtext;
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$s =~ s/"/\"/g;
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print("<B>Search for: </B></TD><TD><input type=text name=\"string\" ",
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"value=\"",$s,"\" maxlength=29 size=30>\n",
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"<input type=submit value=\"search\"><BR>\n",
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"</TD></TR><TR><TD></TD><TD>\n",
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"<input type=\"checkbox\" name=\"regexp\"");
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if ($Conf->{'regexp'} eq 'on') {
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print (" CHECKED");
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print (" value=\"on\">Regular Expression Search\n");
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} else {
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print (">Regular Expression Search\n");
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}
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print ("</TD></TR>\n</form>\n </TABLE>\n");
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$| = 1; print('');
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if ($searchtext ne "") {
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print("<hr>\n");
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unless (open(GLIMPSE, "-|")) {
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open(STDERR, ">&STDOUT");
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$!='';
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if ($Conf->{'regexp'} eq 'off') {
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$searchtext =~ s/([;,#><\-\$.^*[^|()\!])/\\$1/g;
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}
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exec($Conf->glimpsebin,"-i","-H".$Conf->dbdir,'-y','-n',$searchtext);
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print("Glimpse subprocess died unexpextedly: $!\n");
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exit;
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}
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$numlines = 0;
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while (<GLIMPSE>) {
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$numlines++;
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push(@glimpselines,$_);
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if ($numlines > $maxhits) {
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last;
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}
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}
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close(GLIMPSE);
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$retval = $? >> 8;
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# The manpage for glimpse says that it returns 2 on syntax errors or
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# inaccessible files. It seems this is not the case.
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# We will have to work around it for the time being.
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if ($retval == 0) {
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if (@glimpselines == 0) {
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print("No matching files<br>\n");
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} elsif (@glimpselines[0] =~ /pattern too long/) {
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print ("Pattern too long. Use a maximum 29 characters.\n");
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} else {
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if ($numlines > $maxhits) {
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print("<b> Too many hits, displaying first $maxhits</b><br>\n");
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}
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$searchtext =~ s/&/&/g;
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$searchtext =~ s/</</g;
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$searchtext =~ s/>/>/g;
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print("<h1>$searchtext</h1>\n");
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$sourceroot = $Conf->sourceroot;
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foreach $glimpseline (@glimpselines) {
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$glimpseline =~ s/$sourceroot//;
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($file, $line, $text) =
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$glimpseline =~ /(.*?):\s*(\d+)\s*:(.*)/;
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$text =~ s/&/&/g;
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$text =~ s/</</g;
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$text =~ s/>/>/g;
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print(&fileref("$file, line $line", "$file", $line),
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" -- $text<br>\n");
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}
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}
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} elsif ($retval == 1) {
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$glimpsebin = $Conf->glimpsebin;
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$glimpseresponse = join("<br>",@glimpselines);
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$glimpseresponse =~ s/$glimpsebin/Reason/;
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$glimpseresponse =~ s/glimpse: error in searching index//;
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print("<b>Search failed</b><br>\n$glimpseresponse");
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} else {
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print("Unexpected returnvalue $retval from Glimpse\n");
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}
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}
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}
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($Conf, $HTTP, $Path) = &glimpse_init;
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$searchtext = $HTTP->{'param'}->{'string'};
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$regexp = $HTTP->{'param'}->{'regexp'};
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$searchtext =~ tr/+/ /;
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$searchtext =~ s/%(\w\w)/chr(hex $1)/ge;
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&makeheader('search');
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&search;
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&makefooter('search');
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