| 1 |
#!/usr/bin/perl |
| 2 |
# |
| 3 |
# Name : Dict |
| 4 |
# Purpose: perl script cgi program to submit dict queries. |
| 5 |
# Author : Doug L. Hoffman (hoffman@shopthenet.net) |
| 6 |
# Created: Thu Aug 14 09:51:28 1997 by hoffman |
| 7 |
# Revised: Mon Sep 3 22:44:52 2001 by bam@miranda.org |
| 8 |
# |
| 9 |
# This perl script both generates the www-browser form and accepts the results |
| 10 |
# of submitting the form. The search is transmitted to a central machine |
| 11 |
# and the results are interpreted and reposted for the user. |
| 12 |
# |
| 13 |
# $Log: Dict,v $ |
| 14 |
# Revision 1.11 1998/03/30 17:33:26 hoffman |
| 15 |
# added text of query to the web page title line. |
| 16 |
# |
| 17 |
# Revision 1.10 1998/02/23 17:46:04 hoffman |
| 18 |
# Fixed problem with word list anchors caused by changes to the "exact" |
| 19 |
# resopnse. |
| 20 |
# |
| 21 |
# Revision 1.9 1998/02/23 16:41:30 hoffman |
| 22 |
# Made "exact" return list of words, not definitions. |
| 23 |
# |
| 24 |
# Revision 1.8 1998/02/20 16:00:01 hoffman |
| 25 |
# gave the generated page(s) a general facelift, changed internal processing |
| 26 |
# to use the short database name, not the description, and then spent time |
| 27 |
# fixing various bugs that the name change caused. The server calls to fetch |
| 28 |
# the search and database options have been combined into one. |
| 29 |
# |
| 30 |
# Revision 1.7 1998/02/19 15:10:26 hoffman |
| 31 |
# Rik's updated version. |
| 32 |
# |
| 33 |
# Revision 1.6 1997/11/12 16:07:50 hoffman |
| 34 |
# Added link to copyright info. |
| 35 |
# |
| 36 |
# Revision 1.5 1997/10/01 17:50:58 hoffman |
| 37 |
# Fixed some of the field edits for Rik. |
| 38 |
# |
| 39 |
# Revision 1.4 1997/10/01 13:56:52 hoffman |
| 40 |
# fixed problem with ()'s |
| 41 |
# |
| 42 |
# Revision 1.3 1997/08/17 20:48:04 hoffman |
| 43 |
# added link to dict.org home page |
| 44 |
# |
| 45 |
# Revision 1.2 1997/08/17 20:07:37 hoffman |
| 46 |
# Fixed imbedded blank sequence query scanning. |
| 47 |
# |
| 48 |
# |
| 49 |
|
| 50 |
# Setup is minimal. |
| 51 |
# |
| 52 |
# You have to redefine at most the first few lines below |
| 53 |
# |
| 54 |
# $ReturnUrl is the url of this file. It should be changed to reflect |
| 55 |
# the new location. |
| 56 |
|
| 57 |
# ---------- Configuration variables |
| 58 |
|
| 59 |
$Debug = 0; |
| 60 |
|
| 61 |
$Pgm = "Dict"; |
| 62 |
#$hostUrl = "http://www.dict.org"; |
| 63 |
$hostUrl = ""; |
| 64 |
$cgiPath = "$hostUrl/cgi-bin"; |
| 65 |
$ReturnUrl = "$cgiPath/$Pgm"; |
| 66 |
$bin = "/data/httpd/html/bin"; |
| 67 |
|
| 68 |
$CRInfo = "$ReturnUrl?Form=$Pgm". |
| 69 |
"1&Query=00-database-info&Strategy=*&Database=*"; |
| 70 |
$SInfo = "$ReturnUrl?Form=$Pgm". "4"; |
| 71 |
|
| 72 |
$Dict = "/usr/bin/dict -h localhost"; |
| 73 |
$DictAlt = "/usr/bin/dict -h dega.cs.unc.edu"; |
| 74 |
$Counter = "/usr/local/etc/Counter/data/$Pgm.dat"; |
| 75 |
$Count = "$cgiPath/Count.cgi"; |
| 76 |
$Background = "/gifs/grayback.jpg"; |
| 77 |
$Heading1= "The DICT Development Group: Online Dictionary Query"; |
| 78 |
$Heading2= "<a href=\"http://www.dict.org/\">The DICT Development Group</a>: Online Dictionary Query"; |
| 79 |
$Counter1= "<img src=\"$Count?sh=0|df=$Pgm.dat\" alt=\"\">"; |
| 80 |
$Counter2= "<img src=\"$Count?sh=0|df=total.dat\" alt=\"\">"; |
| 81 |
# $Counter1= ""; |
| 82 |
# $Counter2= ""; |
| 83 |
$WebMaster="<a href=\"mailto:webmaster\@dict.org\">webmaster\@dict.org</a>"; |
| 84 |
|
| 85 |
# --- display stuff |
| 86 |
|
| 87 |
########################################################################## |
| 88 |
# |
| 89 |
# Driving Program |
| 90 |
# |
| 91 |
######################################################################### |
| 92 |
|
| 93 |
&init; # init globals |
| 94 |
&ReadParse; # read stdin |
| 95 |
|
| 96 |
|
| 97 |
# |
| 98 |
# |
| 99 |
# If there is no standard input, this the the users first request to see |
| 100 |
# the page. Return a decent looking page. Otherwise, you have work to do. |
| 101 |
# |
| 102 |
|
| 103 |
if ($in{"Form"} eq "") { |
| 104 |
$in{"Database"} = "*"; |
| 105 |
$in{"Strategy"} = "*"; |
| 106 |
print &PrintHeader(); |
| 107 |
&SendBeginning; |
| 108 |
&SendForm1; |
| 109 |
&SendEnding; |
| 110 |
} |
| 111 |
elsif ($in{"Form"} eq ($Pgm . '1')) { |
| 112 |
print &PrintHeader(); |
| 113 |
&SendBeginning; |
| 114 |
&StripFields; # clean up user entered data. |
| 115 |
&CheckFields; # Make sure all required data are there. |
| 116 |
&SendForm1; |
| 117 |
if ($Error eq "") { |
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&SendListing; |
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} |
| 120 |
&SendEnding; |
| 121 |
} |
| 122 |
elsif ($in{"Form"} eq ($Pgm . '2')) { |
| 123 |
$in{"Strategy"} = "*"; |
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print &PrintHeader(); |
| 125 |
&SendBeginning; |
| 126 |
&StripFields; # clean up user entered data. |
| 127 |
&CheckFields; # Make sure all required data are there. |
| 128 |
&SendForm1; |
| 129 |
if ($Error eq "") { |
| 130 |
&SendListing; |
| 131 |
} |
| 132 |
&SendEnding; |
| 133 |
} |
| 134 |
elsif ($in{"Form"} eq ($Pgm . '3')) { |
| 135 |
$in{"Strategy"} = ""; |
| 136 |
$in{"Query"} = ""; |
| 137 |
print &PrintHeader(); |
| 138 |
&SendBeginning; |
| 139 |
&StripFields; # clean up user entered data. |
| 140 |
# &CheckFields; # Make sure all required data are there. |
| 141 |
&SendForm1; |
| 142 |
if ($Error eq "") { |
| 143 |
&SendListing; |
| 144 |
} |
| 145 |
&SendEnding; |
| 146 |
} |
| 147 |
elsif ($in{"Form"} eq ($Pgm . '4')) { |
| 148 |
$in{"Strategy"} = ""; |
| 149 |
$in{"Query"} = ""; |
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print &PrintHeader(); |
| 151 |
&SendBeginning; |
| 152 |
&StripFields; # clean up user entered data. |
| 153 |
# &CheckFields; # Make sure all required data are there. |
| 154 |
&SendForm1; |
| 155 |
if ($Error eq "") { |
| 156 |
$in{"Query"} = "Server"; |
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&SendListing; |
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} |
| 159 |
&SendEnding; |
| 160 |
} |
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else { |
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print &PrintHeader(); |
| 163 |
&SendBeginning; |
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print "<br><hr>Error, invalid syntax: $in<hr><br>\n"; |
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&SendForm1; # wtfo? send form anyway. |
| 166 |
&SendEnding; |
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} |
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|
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############################################################################# |
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# |
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# --------------- Init global variables |
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# |
| 173 |
|
| 174 |
sub init { |
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local( $name, $desc); |
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local( $flag = 0 ); |
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local( $triedbackup = 0 ); |
| 178 |
# |
| 179 |
# ----- List of database and search strategy options |
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# |
| 181 |
# For each option, a comma separated string of the acceptable values |
| 182 |
# |
| 183 |
$Choices{"Database"} = "Any\tFirst match"; |
| 184 |
|
| 185 |
%Db = ("Any", "*", |
| 186 |
"First match","!" |
| 187 |
); |
| 188 |
|
| 189 |
%Dbr = ("*", "Any", |
| 190 |
"!","First match" |
| 191 |
); |
| 192 |
|
| 193 |
$Choices{"Strategy"} = "Return Definitions"; |
| 194 |
|
| 195 |
%St = ("Return Definitions", "*"); |
| 196 |
|
| 197 |
# ----- suck in the database/strategy names from the server |
| 198 |
|
| 199 |
open(IN,"$Dict -DS |") || die "$Pgm: can't execute /usr/bin/dict\n"; |
| 200 |
restartopen: |
| 201 |
<IN>; |
| 202 |
LOOP: while (<IN>) { |
| 203 |
++$flag; |
| 204 |
chop; |
| 205 |
last LOOP if /^Strategies/; |
| 206 |
$name = substr($_, 2, 10); |
| 207 |
$name =~ s/\s+//g; |
| 208 |
$desc = substr($_, 13); |
| 209 |
$Choices{"Database"} .= "\t$desc"; |
| 210 |
$Db{$desc} = $name; |
| 211 |
($Dbr{$name} = $desc) =~ tr/ /+/; # reverse lookup index |
| 212 |
} |
| 213 |
while (<IN>) { |
| 214 |
++$flag; |
| 215 |
chop; |
| 216 |
$name = substr($_, 2, 10); |
| 217 |
$name =~ s/\s+//g; |
| 218 |
$desc = substr($_, 13); |
| 219 |
$Choices{"Strategy"} .= "\t$desc"; |
| 220 |
$St{$desc} = $name; |
| 221 |
} |
| 222 |
close( IN ); |
| 223 |
if (!$flag) { |
| 224 |
if (!$triedbackup) { |
| 225 |
++$triedbackup; |
| 226 |
open(IN,"$DictAlt -DS |") || die "$Pgm: can't execute /usr/bin/dict\n"; |
| 227 |
goto restartopen; |
| 228 |
} |
| 229 |
} |
| 230 |
|
| 231 |
# |
| 232 |
# The regular expression contraints: |
| 233 |
# |
| 234 |
@Fields = ("Query", "Database", "Strategy", "Server"); |
| 235 |
|
| 236 |
@ReqFields = ("Query"); |
| 237 |
} |
| 238 |
|
| 239 |
# ---------- Update the counter |
| 240 |
# |
| 241 |
sub UpdateCounter { |
| 242 |
local ($count); |
| 243 |
if ($Counter ne "") { |
| 244 |
if (!(open(CT,"<$Counter"))) { |
| 245 |
print "$Pgm: Couldn't open $Counter<p>\n"; |
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return; |
| 247 |
} |
| 248 |
$count = <CT>; |
| 249 |
close CT; |
| 250 |
$count++; |
| 251 |
if (!(open(CT,">$Counter"))) { |
| 252 |
print "Couldn't write $Counter<p>\n"; |
| 253 |
return; |
| 254 |
} |
| 255 |
print CT $count; |
| 256 |
close CT; |
| 257 |
} |
| 258 |
} |
| 259 |
|
| 260 |
|
| 261 |
# ---------- Strip fields |
| 262 |
# |
| 263 |
# change tabs and stuff to blanks, strip any leading/trailing blanks. |
| 264 |
# |
| 265 |
|
| 266 |
sub StripFields { |
| 267 |
foreach $x (@Fields) { |
| 268 |
$in{$x} =~ y/{};/() /; # ensure no {, },",", or ";". |
| 269 |
$in{$x} =~ y/\n\r\f\t\e/ /s; # ensure newlines or cr's. |
| 270 |
$in{$x} =~ s/\'/\'\'/g; |
| 271 |
$in{$x} =~ s/^\s*//; |
| 272 |
$in{$x} =~ s/\s*$//; |
| 273 |
$in{$x} =~ s/\s+/ /g; |
| 274 |
} |
| 275 |
} |
| 276 |
|
| 277 |
# |
| 278 |
# ---------- Check that the required fields are all present. |
| 279 |
# |
| 280 |
|
| 281 |
sub CheckFields { |
| 282 |
$Error = ""; |
| 283 |
foreach $x (@ReqFields) { |
| 284 |
if ($in{$x} eq "") { |
| 285 |
$Error = $x; |
| 286 |
return; |
| 287 |
} |
| 288 |
} |
| 289 |
} |
| 290 |
|
| 291 |
|
| 292 |
############################################################################# |
| 293 |
# |
| 294 |
# ---------- Send the html form for the editing of a record |
| 295 |
# |
| 296 |
|
| 297 |
sub SendForm1 { |
| 298 |
|
| 299 |
# ----- send the header |
| 300 |
# |
| 301 |
local($q) = $in{"Query"}; |
| 302 |
#<!-- hidden counter --> |
| 303 |
#$Counter1 |
| 304 |
#<!-- hidden counter --> |
| 305 |
#$Counter2 |
| 306 |
|
| 307 |
print <<EOF; |
| 308 |
<form method=POST action=$ReturnUrl> |
| 309 |
<input type="hidden" name="Form" value="${Pgm}1"> |
| 310 |
<center> |
| 311 |
<table><tr><td align="right"> |
| 312 |
<b>Query string:</b></td><td> |
| 313 |
<input type="text" name="Query" size=40 value="$q"> |
| 314 |
<br></td></tr><td align="right"> |
| 315 |
<b>Search type:</b></td><td align="left"> |
| 316 |
<select name="Strategy"> |
| 317 |
EOF |
| 318 |
foreach $x (split(/\t/,$Choices{"Strategy"})) { |
| 319 |
print " <option value=\"$St{$x}\""; |
| 320 |
if ($in{"Strategy"} eq $St{$x}) { |
| 321 |
print " selected"; |
| 322 |
} |
| 323 |
print ">$x\n"; |
| 324 |
} |
| 325 |
print <<EOF2; |
| 326 |
</select> |
| 327 |
<br></td></tr><td align="right"> |
| 328 |
<b>Database:</b></td><td> |
| 329 |
<select name="Database"> |
| 330 |
EOF2 |
| 331 |
foreach $x (split(/\t/,$Choices{"Database"})) { |
| 332 |
print " <option value=\"$Db{$x}\""; |
| 333 |
if ($in{"Database"} eq $Db{$x}) { |
| 334 |
print " selected"; |
| 335 |
} |
| 336 |
print ">$x\n"; |
| 337 |
} |
| 338 |
print <<EOF3; |
| 339 |
</select> |
| 340 |
</td></tr></table> |
| 341 |
<input type="submit" name="submit" value="Submit query"> |
| 342 |
<input type="reset" value="Reset form"> |
| 343 |
<p> |
| 344 |
Definition not available or out of date? |
| 345 |
<a href="http://www.dict.org/file.html">Contribute to FILE</a>. |
| 346 |
<br> |
| 347 |
<a href="$CRInfo">Database copyright information</a> |
| 348 |
<br> |
| 349 |
<a href="$SInfo">Server information</a> |
| 350 |
</center> |
| 351 |
</form> |
| 352 |
<hr> |
| 353 |
EOF3 |
| 354 |
} |
| 355 |
|
| 356 |
|
| 357 |
############################################################################# |
| 358 |
# |
| 359 |
# ---------- Send the html form for the search listing results |
| 360 |
# |
| 361 |
|
| 362 |
sub SendListing { |
| 363 |
local( $command, $d, $s, $q); |
| 364 |
local( $i, $x ); |
| 365 |
local( $flag=0 ); |
| 366 |
local( $triedbackup = 0 ); |
| 367 |
|
| 368 |
# ----- add the hidden counter. |
| 369 |
|
| 370 |
# print "\n<!-- hidden counter -->\n"; |
| 371 |
# print "<img src=\"/bin/Count.cgi?sh=0|df=$Pgm.dat\">\n"; |
| 372 |
|
| 373 |
# &UpdateCounter; |
| 374 |
|
| 375 |
# ---------- report |
| 376 |
|
| 377 |
$d = $in{"Database"}; |
| 378 |
$d = $in{"Database"} if ($d eq ""); |
| 379 |
$s = $in{"Strategy"}; |
| 380 |
$q = $in{"Query"}; |
| 381 |
$command = "--client \"$ENV{'REMOTE_HOST'} $ENV{'HTTP_USER_AGENT'}\" "; |
| 382 |
if ($s eq "" && $q eq "") { |
| 383 |
$command .= "-i '$d'"; |
| 384 |
} elsif ($s eq "" && $q eq "Server") { |
| 385 |
$command .= "-I"; |
| 386 |
} else { |
| 387 |
$command .= "-d '$d'"; |
| 388 |
$wordlist = 0; |
| 389 |
if ($s eq '*') { |
| 390 |
$command .= " \'". $q . "\'"; |
| 391 |
} |
| 392 |
# elsif ($s eq 'exact') { |
| 393 |
# $command .= " -s exact \'". $q ."\'"; |
| 394 |
# } |
| 395 |
else { |
| 396 |
$command .= " -s $s -m \'". $q ."\'"; |
| 397 |
} |
| 398 |
} |
| 399 |
|
| 400 |
print "$Dict $command <p>\n" if ($Debug); |
| 401 |
|
| 402 |
if (!open(IN,"$Dict $command |")) { |
| 403 |
print "<hr><p>\n"; |
| 404 |
print "<b>Backend database engine temporarily unavailable:\n"; |
| 405 |
print " please try again later</b>\n"; |
| 406 |
print "<p><hr>\n"; |
| 407 |
return; |
| 408 |
} |
| 409 |
if ($s eq "" && $q eq "") { |
| 410 |
local($tmp) = &lx($Dbr{$d}); |
| 411 |
print "<b>From <a href=\"$ReturnUrl?Form=${Pgm}3&Database=$d\">$tmp<\/a>:</b>\n"; |
| 412 |
} |
| 413 |
print "<pre>"; |
| 414 |
restart: |
| 415 |
while(<IN>) { |
| 416 |
++$flag; |
| 417 |
if (/^From/) { |
| 418 |
if (/\[.*\]/) { |
| 419 |
s/^From\s*(.*)\s*\[(.*)\]\s*:.*$/From <a href=\"$ReturnUrl?Form=${Pgm}3&Database=$2\">$1<\/a>:/; # " |
| 420 |
} |
| 421 |
print "</pre><b>$_</b><pre>\n"; |
| 422 |
} |
| 423 |
elsif (/^\d+ /) { |
| 424 |
print "</pre><b>$_</b><pre>"; |
| 425 |
} |
| 426 |
elsif (/^No definitions/) { |
| 427 |
print "</pre><b>$_</b><pre>\n"; |
| 428 |
} |
| 429 |
elsif (/^No matches/) { |
| 430 |
print "</pre><b>$_</b><pre>\n"; |
| 431 |
} |
| 432 |
elsif (/^(\S+) /) { |
| 433 |
$x = $1; |
| 434 |
($x, $line) = split(/:/, $_, 2); |
| 435 |
$line = &anchor( $x, $line); |
| 436 |
print "<b>$x:</b>$line"; |
| 437 |
$wordlist = 1; |
| 438 |
} |
| 439 |
elsif ($wordlist && (/^ (\S+) /)) { |
| 440 |
$line = &anchor( $x, $_); |
| 441 |
print $line; |
| 442 |
} |
| 443 |
else { |
| 444 |
if (/(ftp|http):\/\/[^\s\)\}]*\}/) { |
| 445 |
s,((ftp|http)://[^\s\)\}]*)\},}<a href="$1">$1</a>,g; |
| 446 |
} else { |
| 447 |
s,((ftp|http)://[^\s\)\}]*),<a href="$1">$1</a>,g; |
| 448 |
} |
| 449 |
s,(\s){([^}\s][^}]*)},$1.'<a href="'.$ReturnUrl.'?Form='.$Pgm.'2&Database=*&Query='.&xl($2).'">'.$2.'</a>',ge; |
| 450 |
if (/(\s){([^}\s][^}]*)(\n)$/) { |
| 451 |
$savefirst = $2; |
| 452 |
} |
| 453 |
s,(\s){([^}\s][^}]*)(\n)$,$1.'<a href="'.$ReturnUrl.'?Form='.$Pgm.'2&Database=*&Query='.&xl($2).'">'.$2.$3.'</a>',se; |
| 454 |
s,^(\s*)([^}]*)},$1.'<a href="'.$ReturnUrl.'?Form='.$Pgm.'2&Database=*&Query='.&xl($savefirst).&xl(' ').&xl($2).'">'.$2.'</a>',e; |
| 455 |
print; |
| 456 |
} |
| 457 |
} |
| 458 |
print "</pre>\n"; |
| 459 |
close( IN ); |
| 460 |
if (!$flag) { |
| 461 |
if (!$triedbackup) { |
| 462 |
++$triedbackup; |
| 463 |
print "$DictAlt $command <p>\n" if ($Debug); |
| 464 |
if (open(IN,"$DictAlt $command |")) { |
| 465 |
print "</pre><b>Using backup server...</b>\n"; |
| 466 |
print "<hr><p><pre>\n"; |
| 467 |
goto restart; |
| 468 |
} |
| 469 |
} |
| 470 |
print "<b>\n"; |
| 471 |
print "Backend database engine error: please try again later\n"; |
| 472 |
print "</b><p>"; |
| 473 |
} |
| 474 |
print "<hr>\n"; |
| 475 |
} |
| 476 |
|
| 477 |
sub xl { local($tmp) = $_[0]; $tmp =~ tr/ /+/; $tmp; } |
| 478 |
sub lx { local($tmp) = $_[0]; $tmp =~ tr/+/ /; $tmp; } |
| 479 |
|
| 480 |
sub anchor { |
| 481 |
local( $dbname, $line) = @_; |
| 482 |
local( $x, $y, $db, $new_line); |
| 483 |
|
| 484 |
$odd = 1; |
| 485 |
$db = $Dbr{$dbname}; |
| 486 |
$db = $dbname; |
| 487 |
foreach $x (split("\"", $line)) { |
| 488 |
if ($odd) { |
| 489 |
$x =~ s/ (\S+)/ <a href="$ReturnUrl?Form=${Pgm}2&Database=$db&Query=$1">$1<\/a>/g; |
| 490 |
$new_line .= $x; |
| 491 |
$odd = 0; |
| 492 |
} |
| 493 |
else { |
| 494 |
($y = $x) =~ tr/ /+/; |
| 495 |
$new_line .= "<a href=\"$ReturnUrl?Form=${Pgm}2&Database=$db&Query='$y'\">\"$x\"<\/a>"; |
| 496 |
$odd = 1; |
| 497 |
} |
| 498 |
} |
| 499 |
|
| 500 |
return $new_line; |
| 501 |
} |
| 502 |
|
| 503 |
# |
| 504 |
# ----- Common beginning. |
| 505 |
# |
| 506 |
sub SendBeginning { |
| 507 |
local ($title); |
| 508 |
|
| 509 |
$title = $Heading1; |
| 510 |
if ($in{'Query'}) { |
| 511 |
$title .= "- $in{'Query'}"; |
| 512 |
} |
| 513 |
|
| 514 |
print <<EOF; |
| 515 |
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> |
| 516 |
<html> |
| 517 |
<head> |
| 518 |
<title>$title</title> |
| 519 |
</head> |
| 520 |
<body background="$Background"> |
| 521 |
<center> |
| 522 |
<table border=0><tr><td valign="middle"> |
| 523 |
<img src="/gifs/dict_logo2_tr.gif" width="55" height="48" border="0" alt="[DICT logo]"> |
| 524 |
</td><td valign="middle"> |
| 525 |
<font size="+3"><b>$Heading2</b></font> |
| 526 |
</td></tr></table> |
| 527 |
</center> |
| 528 |
<hr size=3> |
| 529 |
EOF |
| 530 |
} |
| 531 |
|
| 532 |
# |
| 533 |
# ----- Common ending. |
| 534 |
# |
| 535 |
sub SendEnding { |
| 536 |
|
| 537 |
print <<EOF; |
| 538 |
<center> |
| 539 |
<font size="-1"> |
| 540 |
Questions or comments about this site? |
| 541 |
Contact $WebMaster |
| 542 |
</font> |
| 543 |
</center> |
| 544 |
</body> |
| 545 |
</html> |
| 546 |
EOF |
| 547 |
} |
| 548 |
|
| 549 |
# --------------- Numeric sort function |
| 550 |
|
| 551 |
sub bynumber { $a <=> $b; } |
| 552 |
|
| 553 |
|
| 554 |
############################################################################# |
| 555 |
# |
| 556 |
# --------------- Library Stuff |
| 557 |
# |
| 558 |
|
| 559 |
# Perl Routines to Manipulate CGI input |
| 560 |
# S.E.Brenner@bioc.cam.ac.uk |
| 561 |
# $Header: /data/httpd/html/Internal/bin/RCS/Dict,v 1.11 1998/03/30 17:33:26 hoffman Exp $ # |
| 562 |
# Copyright 1993 Steven E. Brenner |
| 563 |
# Unpublished work. |
| 564 |
# Permission granted to use and modify this library so long as the |
| 565 |
# copyright above is maintained, modifications are documented, and |
| 566 |
# credit is given for any use of the library. |
| 567 |
|
| 568 |
# ReadParse |
| 569 |
# Reads in GET or POST data, converts it to unescaped text, and puts |
| 570 |
# one key=value in each member of the list "@in" |
| 571 |
# Also creates key/value pairs in %in, using '\0' to separate multiple |
| 572 |
# selections |
| 573 |
|
| 574 |
# If a variable-glob parameter (e.g., *cgi_input) is passed to ReadParse, |
| 575 |
# information is stored there, rather than in $in, @in, and %in. |
| 576 |
sub ReadParse { |
| 577 |
if (@_) { |
| 578 |
local (*in) = @_; |
| 579 |
} |
| 580 |
|
| 581 |
local ($i, $loc, $key, $val); |
| 582 |
local ($fp); |
| 583 |
# Read in text |
| 584 |
if ($ENV{'REQUEST_METHOD'} eq "GET") { |
| 585 |
$in = $ENV{'QUERY_STRING'}; |
| 586 |
} elsif ($ENV{'REQUEST_METHOD'} eq "POST") { |
| 587 |
#for ($i = 0; $i < $ENV{'CONTENT_LENGTH'}; $i++) { |
| 588 |
# $in .= getc; |
| 589 |
#} |
| 590 |
$ntoread = $ENV{'CONTENT_LENGTH'}; |
| 591 |
$in = ""; |
| 592 |
$n = 60; |
| 593 |
if ($ntoread < $n) { |
| 594 |
$n = $ntoread; |
| 595 |
} |
| 596 |
while ($ntoread) { |
| 597 |
$x = read(STDIN,$inn,$n); |
| 598 |
$in = $in . $inn; |
| 599 |
$ntoread = $ntoread - $x; |
| 600 |
if ($ntoread < $n) { |
| 601 |
$n = $ntoread; |
| 602 |
} |
| 603 |
} |
| 604 |
#read(STDIN,$in,$ENV{'CONTENT_LENGTH'}); |
| 605 |
} |
| 606 |
|
| 607 |
@in = split(/&/,$in); |
| 608 |
|
| 609 |
foreach $i (0 .. $#in) { |
| 610 |
# Convert plus's to spaces |
| 611 |
$in[$i] =~ s/\+/ /g; |
| 612 |
|
| 613 |
# Convert %XX from hex numbers to alphanumeric |
| 614 |
$in[$i] =~ s/%(..)/pack("c",hex($1))/ge; |
| 615 |
|
| 616 |
# Split into key and value. |
| 617 |
$loc = index($in[$i],"="); |
| 618 |
$key = substr($in[$i],0,$loc); |
| 619 |
$val = substr($in[$i],$loc+1); |
| 620 |
$in{$key} .= '\0' if (defined($in{$key})); # \0 is the multiple separator |
| 621 |
$in{$key} .= $val; |
| 622 |
} |
| 623 |
return 1; # just for fun |
| 624 |
} |
| 625 |
|
| 626 |
# PrintHeader |
| 627 |
# Returns the magic line which tells WWW that we're an HTML document |
| 628 |
|
| 629 |
sub PrintHeader { |
| 630 |
return "Content-type: text/html\n\n"; |
| 631 |
} |