| 1 |
|
| 2 |
;# -*- Mode: Perl -*- |
| 3 |
;# waisquery.y -- |
| 4 |
;# ITIID : $ITI$ $Header $__Header$ |
| 5 |
;# Author : Ulrich Pfeifer |
| 6 |
;# Created On : Fri Sep 13 15:54:19 1996 |
| 7 |
;# Last Modified By: Ulrich Pfeifer |
| 8 |
;# Last Modified On: Sun Nov 22 18:44:39 1998 |
| 9 |
;# Language : CPerl |
| 10 |
;# Update Count : 129 |
| 11 |
;# Status : Unknown, Use with caution! |
| 12 |
;# |
| 13 |
;# Copyright (c) 1996-1997, Ulrich Pfeifer |
| 14 |
;# |
| 15 |
|
| 16 |
package WAIT::Query::Wais; |
| 17 |
use WAIT::Query::Base; |
| 18 |
use Carp; |
| 19 |
use strict; |
| 20 |
use vars qw($WORD $PHONIX $SOUNDEX $ASSIGN $FLOAT $OR $AND $NOT $PROX_ORDERED |
| 21 |
$PROX_UNORDERED $PROX_ATLEAST |
| 22 |
$yylval $yyval $YYTABLESIZE $Table |
| 23 |
%TOKEN); |
| 24 |
my %VERBOSE ; |
| 25 |
no strict 'vars'; |
| 26 |
$WORD=257; |
| 27 |
$PHONIX=258; |
| 28 |
$SOUNDEX=259; |
| 29 |
$ASSIGN=260; |
| 30 |
$FLOAT=261; |
| 31 |
$OR=262; |
| 32 |
$AND=263; |
| 33 |
$NOT=264; |
| 34 |
$PROX_ORDERED=265; |
| 35 |
$PROX_UNORDERED=266; |
| 36 |
$PROX_ATLEAST=267; |
| 37 |
$YYERRCODE=256; |
| 38 |
@yylhs = ( -1, |
| 39 |
0, 2, 2, 1, 1, 3, 3, 3, 4, 4, |
| 40 |
4, 4, 5, 5, 7, 5, 9, 5, 10, 5, |
| 41 |
11, 5, 12, 5, 13, 13, 8, 8, 14, 14, |
| 42 |
14, 15, 15, 15, 15, 16, 16, 17, 17, 6, |
| 43 |
6, |
| 44 |
); |
| 45 |
@yylen = ( 2, |
| 46 |
1, 0, 1, 1, 3, 1, 3, 3, 1, 3, |
| 47 |
3, 2, 1, 3, 0, 6, 0, 4, 0, 4, |
| 48 |
0, 4, 0, 7, 1, 1, 1, 3, 1, 3, |
| 49 |
3, 1, 3, 3, 2, 1, 3, 1, 2, 1, |
| 50 |
3, |
| 51 |
); |
| 52 |
@yydefred = ( 0, |
| 53 |
0, 25, 26, 0, 0, 0, 0, 0, 6, 0, |
| 54 |
13, 0, 0, 0, 0, 0, 0, 12, 0, 3, |
| 55 |
0, 0, 0, 0, 0, 39, 0, 0, 0, 0, |
| 56 |
0, 0, 14, 0, 7, 8, 10, 11, 41, 0, |
| 57 |
38, 18, 20, 22, 0, 0, 0, 36, 0, 0, |
| 58 |
29, 0, 0, 35, 0, 16, 0, 0, 0, 0, |
| 59 |
0, 0, 37, 0, 30, 31, 33, 34, 24, |
| 60 |
); |
| 61 |
@yydgoto = ( 6, |
| 62 |
7, 21, 8, 9, 10, 11, 28, 49, 29, 15, |
| 63 |
16, 17, 12, 50, 51, 52, 13, |
| 64 |
); |
| 65 |
@yysindex = ( -15, |
| 66 |
-61, 0, 0, -4, -15, 0, -257, -248, 0, -239, |
| 67 |
0, -246, -251, 0, -9, -25, -46, 0, -35, 0, |
| 68 |
-15, -15, -15, -4, -4, 0, -211, 14, -236, -199, |
| 69 |
-198, -197, 0, -248, 0, 0, 0, 0, 0, -10, |
| 70 |
0, 0, 0, 0, 18, 53, -10, 0, -34, -230, |
| 71 |
0, -226, -186, 0, -23, 0, -10, -10, -10, 53, |
| 72 |
53, -20, 0, -230, 0, 0, 0, 0, 0, |
| 73 |
); |
| 74 |
@yyrindex = ( 0, |
| 75 |
1, 0, 0, 0, 0, 0, 57, 35, 0, 24, |
| 76 |
0, 0, 12, 60, 0, 0, 0, 0, 42, 0, |
| 77 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 78 |
0, 0, 0, 46, 0, 0, 0, 0, 0, 0, |
| 79 |
0, 0, 0, 0, 0, 0, 0, 0, 42, -27, |
| 80 |
0, -38, 0, 0, 42, 0, 0, 0, 0, 0, |
| 81 |
0, 0, 0, -21, 0, 0, 0, 0, 0, |
| 82 |
); |
| 83 |
@yygindex = ( 0, |
| 84 |
67, -45, 56, 21, 4, 9, 0, 27, 0, 0, |
| 85 |
0, 0, 0, 22, -11, -29, 0, |
| 86 |
); |
| 87 |
$YYTABLESIZE=324; |
| 88 |
@yytable = ( 14, |
| 89 |
38, 32, 32, 57, 20, 33, 56, 18, 27, 57, |
| 90 |
26, 40, 27, 27, 22, 23, 54, 63, 28, 28, |
| 91 |
41, 2, 3, 9, 5, 24, 25, 37, 38, 47, |
| 92 |
67, 68, 58, 59, 4, 5, 31, 42, 60, 61, |
| 93 |
38, 38, 35, 36, 32, 5, 65, 66, 48, 39, |
| 94 |
30, 40, 40, 40, 48, 48, 1, 43, 44, 45, |
| 95 |
19, 53, 21, 9, 9, 48, 48, 48, 48, 48, |
| 96 |
62, 19, 69, 55, 4, 4, 34, 0, 64, 0, |
| 97 |
0, 2, 0, 0, 0, 5, 5, 0, 0, 0, |
| 98 |
0, 23, 47, 0, 0, 0, 2, 0, 0, 15, |
| 99 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 100 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 101 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 102 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 103 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 104 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 105 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 106 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 107 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 108 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 109 |
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| 110 |
0, 0, 0, 0, 0, 0, 0, 0, 32, 32, |
| 111 |
32, 0, 0, 32, 32, 32, 20, 20, 32, 27, |
| 112 |
27, 27, 0, 0, 27, 28, 28, 28, 20, 27, |
| 113 |
28, 1, 2, 3, 0, 28, 41, 2, 3, 0, |
| 114 |
0, 4, 1, 2, 3, 0, 46, 38, 38, 38, |
| 115 |
38, 0, 38, 38, 38, 38, 38, 38, 40, 40, |
| 116 |
40, 0, 0, 40, 40, 40, 40, 40, 40, 0, |
| 117 |
9, 9, 9, 0, 0, 9, 9, 9, 0, 0, |
| 118 |
9, 4, 4, 4, 0, 0, 4, 0, 2, 2, |
| 119 |
2, 4, 5, 5, 5, 0, 0, 5, 2, 41, |
| 120 |
2, 3, 5, 2, 2, 2, 17, 17, 17, 0, |
| 121 |
0, 0, 0, 2, |
| 122 |
); |
| 123 |
@yycheck = ( 61, |
| 124 |
0, 40, 41, 49, 262, 41, 41, 4, 260, 55, |
| 125 |
257, 0, 40, 41, 263, 264, 46, 41, 40, 41, |
| 126 |
257, 258, 259, 0, 40, 265, 266, 24, 25, 40, |
| 127 |
60, 61, 263, 264, 0, 40, 62, 29, 265, 266, |
| 128 |
40, 41, 22, 23, 91, 0, 58, 59, 40, 261, |
| 129 |
60, 40, 41, 40, 46, 47, 0, 257, 257, 257, |
| 130 |
60, 44, 62, 40, 41, 57, 58, 59, 60, 61, |
| 131 |
257, 5, 93, 47, 40, 41, 21, -1, 57, -1, |
| 132 |
-1, 40, -1, -1, -1, 40, 41, -1, -1, -1, |
| 133 |
-1, 91, 40, -1, -1, -1, 40, -1, -1, 40, |
| 134 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 135 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 136 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 137 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 138 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 139 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 140 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 141 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 142 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 143 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 144 |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| 145 |
-1, -1, -1, -1, -1, -1, -1, -1, 257, 258, |
| 146 |
259, -1, -1, 262, 263, 264, 262, 262, 267, 257, |
| 147 |
258, 259, -1, -1, 262, 257, 258, 259, 262, 267, |
| 148 |
262, 257, 258, 259, -1, 267, 257, 258, 259, -1, |
| 149 |
-1, 267, 257, 258, 259, -1, 267, 257, 258, 259, |
| 150 |
260, -1, 262, 263, 264, 265, 266, 267, 257, 258, |
| 151 |
259, -1, -1, 262, 263, 264, 265, 266, 267, -1, |
| 152 |
257, 258, 259, -1, -1, 262, 263, 264, -1, -1, |
| 153 |
267, 257, 258, 259, -1, -1, 262, -1, 257, 258, |
| 154 |
259, 267, 257, 258, 259, -1, -1, 262, 267, 257, |
| 155 |
258, 259, 267, 257, 258, 259, 257, 258, 259, -1, |
| 156 |
-1, -1, -1, 267, |
| 157 |
); |
| 158 |
$YYFINAL=6; |
| 159 |
|
| 160 |
|
| 161 |
|
| 162 |
$YYMAXTOKEN=267; |
| 163 |
|
| 164 |
sub yyclearin { $yychar = -1; } |
| 165 |
sub yyerrok { $yyerrflag = 0; } |
| 166 |
$YYSTACKSIZE = $YYSTACKSIZE || $YYMAXDEPTH || 500; |
| 167 |
$YYMAXDEPTH = $YYMAXDEPTH || $YYSTACKSIZE || 500; |
| 168 |
$yyss[$YYSTACKSIZE] = 0; |
| 169 |
$yyvs[$YYSTACKSIZE] = 0; |
| 170 |
sub YYERROR { ++$yynerrs; &yy_err_recover; } |
| 171 |
sub yy_err_recover |
| 172 |
{ |
| 173 |
if ($yyerrflag < 3) |
| 174 |
{ |
| 175 |
$yyerrflag = 3; |
| 176 |
while (1) |
| 177 |
{ |
| 178 |
if (($yyn = $yysindex[$yyss[$yyssp]]) && |
| 179 |
($yyn += $YYERRCODE) >= 0 && |
| 180 |
$yycheck[$yyn] == $YYERRCODE) |
| 181 |
{ |
| 182 |
|
| 183 |
|
| 184 |
|
| 185 |
|
| 186 |
$yyss[++$yyssp] = $yystate = $yytable[$yyn]; |
| 187 |
$yyvs[++$yyvsp] = $yylval; |
| 188 |
next yyloop; |
| 189 |
} |
| 190 |
else |
| 191 |
{ |
| 192 |
|
| 193 |
|
| 194 |
|
| 195 |
|
| 196 |
return(1) if $yyssp <= 0; |
| 197 |
--$yyssp; |
| 198 |
--$yyvsp; |
| 199 |
} |
| 200 |
} |
| 201 |
} |
| 202 |
else |
| 203 |
{ |
| 204 |
return (1) if $yychar == 0; |
| 205 |
|
| 206 |
$yychar = -1; |
| 207 |
next yyloop; |
| 208 |
} |
| 209 |
0; |
| 210 |
} # yy_err_recover |
| 211 |
|
| 212 |
sub yyparse |
| 213 |
{ |
| 214 |
|
| 215 |
if ($yys = $ENV{'YYDEBUG'}) |
| 216 |
{ |
| 217 |
$yydebug = int($1) if $yys =~ /^(\d)/; |
| 218 |
} |
| 219 |
|
| 220 |
|
| 221 |
$yynerrs = 0; |
| 222 |
$yyerrflag = 0; |
| 223 |
$yychar = (-1); |
| 224 |
|
| 225 |
$yyssp = 0; |
| 226 |
$yyvsp = 0; |
| 227 |
$yyss[$yyssp] = $yystate = 0; |
| 228 |
|
| 229 |
yyloop: while(1) |
| 230 |
{ |
| 231 |
yyreduce: { |
| 232 |
last yyreduce if ($yyn = $yydefred[$yystate]); |
| 233 |
if ($yychar < 0) |
| 234 |
{ |
| 235 |
if (($yychar = &yylex) < 0) { $yychar = 0; } |
| 236 |
|
| 237 |
} |
| 238 |
if (($yyn = $yysindex[$yystate]) && ($yyn += $yychar) >= 0 && |
| 239 |
$yycheck[$yyn] == $yychar) |
| 240 |
{ |
| 241 |
|
| 242 |
|
| 243 |
|
| 244 |
|
| 245 |
$yyss[++$yyssp] = $yystate = $yytable[$yyn]; |
| 246 |
$yyvs[++$yyvsp] = $yylval; |
| 247 |
$yychar = (-1); |
| 248 |
--$yyerrflag if $yyerrflag > 0; |
| 249 |
next yyloop; |
| 250 |
} |
| 251 |
if (($yyn = $yyrindex[$yystate]) && ($yyn += $yychar) >= 0 && |
| 252 |
$yycheck[$yyn] == $yychar) |
| 253 |
{ |
| 254 |
$yyn = $yytable[$yyn]; |
| 255 |
last yyreduce; |
| 256 |
} |
| 257 |
if (! $yyerrflag) { |
| 258 |
&yyerror('syntax error'); |
| 259 |
++$yynerrs; |
| 260 |
} |
| 261 |
return(1) if &yy_err_recover; |
| 262 |
} # yyreduce |
| 263 |
|
| 264 |
|
| 265 |
|
| 266 |
|
| 267 |
$yym = $yylen[$yyn]; |
| 268 |
$yyval = $yyvs[$yyvsp+1-$yym]; |
| 269 |
switch: |
| 270 |
{ |
| 271 |
1; # make perl happy if switch empty (Ulrich Pfeifer) |
| 272 |
if ($yyn == 5) { |
| 273 |
{ $yyval = $yyval->merge($yyvs[$yyvsp-0]); |
| 274 |
last switch; |
| 275 |
} } |
| 276 |
if ($yyn == 7) { |
| 277 |
{$yyval = new WAIT::Query::and $yyvs[$yyvsp-2], $yyvs[$yyvsp-0]; |
| 278 |
last switch; |
| 279 |
} } |
| 280 |
if ($yyn == 8) { |
| 281 |
{$yyval = new WAIT::Query::not $yyvs[$yyvsp-2], $yyvs[$yyvsp-0]; |
| 282 |
last switch; |
| 283 |
} } |
| 284 |
if ($yyn == 14) { |
| 285 |
{ $yyval = $yyvs[$yyvsp-1]; |
| 286 |
last switch; |
| 287 |
} } |
| 288 |
if ($yyn == 15) { |
| 289 |
{enter($yyvs[$yyvsp-1]); |
| 290 |
last switch; |
| 291 |
} } |
| 292 |
if ($yyn == 16) { |
| 293 |
{leave($yyvs[$yyvsp-5]); $yyval = $yyvs[$yyvsp-1]; |
| 294 |
last switch; |
| 295 |
} } |
| 296 |
if ($yyn == 17) { |
| 297 |
{enter($yyvs[$yyvsp-1]); |
| 298 |
last switch; |
| 299 |
} } |
| 300 |
if ($yyn == 18) { |
| 301 |
{leave($yyvs[$yyvsp-3]); $yyval = $yyvs[$yyvsp-0]; |
| 302 |
last switch; |
| 303 |
} } |
| 304 |
if ($yyn == 19) { |
| 305 |
{enter($yyvs[$yyvsp-0]); |
| 306 |
last switch; |
| 307 |
} } |
| 308 |
if ($yyn == 20) { |
| 309 |
{$yyval = intervall(undef, $yyvs[$yyvsp-0]); leave($yyvs[$yyvsp-3]); |
| 310 |
last switch; |
| 311 |
} } |
| 312 |
if ($yyn == 21) { |
| 313 |
{enter($yyvs[$yyvsp-0]); |
| 314 |
last switch; |
| 315 |
} } |
| 316 |
if ($yyn == 22) { |
| 317 |
{$yyval = intervall($yyvs[$yyvsp-0], undef); leave($yyvs[$yyvsp-3]); |
| 318 |
last switch; |
| 319 |
} } |
| 320 |
if ($yyn == 23) { |
| 321 |
{enter($yyvs[$yyvsp-0]); |
| 322 |
last switch; |
| 323 |
} } |
| 324 |
if ($yyn == 24) { |
| 325 |
{$yyval = intervall($yyvs[$yyvsp-3], $yyvs[$yyvsp-1]); leave($yyvs[$yyvsp-6]); |
| 326 |
last switch; |
| 327 |
} } |
| 328 |
if ($yyn == 28) { |
| 329 |
{ $yyval = $yyval->merge($yyvs[$yyvsp-0]); |
| 330 |
last switch; |
| 331 |
} } |
| 332 |
if ($yyn == 30) { |
| 333 |
{$yyval = new WAIT::Query::and $yyvs[$yyvsp-2], $yyvs[$yyvsp-0]; |
| 334 |
last switch; |
| 335 |
} } |
| 336 |
if ($yyn == 31) { |
| 337 |
{$yyval = new WAIT::Query::not $yyvs[$yyvsp-2], $yyvs[$yyvsp-0]; |
| 338 |
last switch; |
| 339 |
} } |
| 340 |
if ($yyn == 37) { |
| 341 |
{ $yyval = $yyvs[$yyvsp-1]; |
| 342 |
last switch; |
| 343 |
} } |
| 344 |
if ($yyn == 38) { |
| 345 |
{ $yyval = plain($yyvs[$yyvsp-0]); |
| 346 |
last switch; |
| 347 |
} } |
| 348 |
if ($yyn == 39) { |
| 349 |
{ $yyval = plain($yyvs[$yyvsp-0]); |
| 350 |
last switch; |
| 351 |
} } |
| 352 |
} # switch |
| 353 |
$yyssp -= $yym; |
| 354 |
$yystate = $yyss[$yyssp]; |
| 355 |
$yyvsp -= $yym; |
| 356 |
$yym = $yylhs[$yyn]; |
| 357 |
if ($yystate == 0 && $yym == 0) |
| 358 |
{ |
| 359 |
|
| 360 |
|
| 361 |
|
| 362 |
|
| 363 |
$yystate = $YYFINAL; |
| 364 |
$yyss[++$yyssp] = $YYFINAL; |
| 365 |
$yyvs[++$yyvsp] = $yyval; |
| 366 |
if ($yychar < 0) |
| 367 |
{ |
| 368 |
if (($yychar = &yylex) < 0) { $yychar = 0; } |
| 369 |
|
| 370 |
} |
| 371 |
return(0) if $yychar == 0; |
| 372 |
next yyloop; |
| 373 |
} |
| 374 |
if (($yyn = $yygindex[$yym]) && ($yyn += $yystate) >= 0 && |
| 375 |
$yyn <= $#yycheck && $yycheck[$yyn] == $yystate) |
| 376 |
{ |
| 377 |
$yystate = $yytable[$yyn]; |
| 378 |
} else { |
| 379 |
$yystate = $yydgoto[$yym]; |
| 380 |
} |
| 381 |
|
| 382 |
|
| 383 |
|
| 384 |
|
| 385 |
$yyss[++$yyssp] = $yystate; |
| 386 |
$yyvs[++$yyvsp] = $yyval; |
| 387 |
} # yyloop |
| 388 |
} # yyparse |
| 389 |
use strict; |
| 390 |
sub yyerror { |
| 391 |
print "yyeror: @_ $.\n"; |
| 392 |
} |
| 393 |
|
| 394 |
for (qw(and or not phonix soundex)) { |
| 395 |
my $e = sprintf '$WAIT::Query::Wais::TOKEN{$_} = $%s', uc($_); |
| 396 |
eval $e; |
| 397 |
die $@ if $@ ne ''; |
| 398 |
$VERBOSE{$TOKEN{$_}} = $_; |
| 399 |
} |
| 400 |
$VERBOSE{$WORD} = 'WORD'; |
| 401 |
my $KEY = join('|', keys %TOKEN); |
| 402 |
|
| 403 |
my $line; |
| 404 |
|
| 405 |
sub yylex1 { |
| 406 |
print "=>$line\n"; |
| 407 |
my $token = yylex1(); |
| 408 |
my $verbose; |
| 409 |
my $val = (defined $yylval)?",$yylval":''; |
| 410 |
if ($token < 256) { |
| 411 |
$verbose = "'".chr($token)."'"; |
| 412 |
} else { |
| 413 |
$verbose = $VERBOSE{$token}; |
| 414 |
} |
| 415 |
print "yylex($token=$verbose$val)\n"; |
| 416 |
return $token; |
| 417 |
} |
| 418 |
|
| 419 |
my $Intervall = 0; |
| 420 |
sub yylex { |
| 421 |
$yylval = undef; |
| 422 |
$line =~ s:^\s+::; |
| 423 |
if ($line =~ s:^($KEY)\b::io) { |
| 424 |
return $TOKEN{$1} |
| 425 |
} elsif ($line =~ s/^(\w+)\s*==?/=/io) { |
| 426 |
$yylval = $1; |
| 427 |
return $WORD; |
| 428 |
} elsif ($line =~ s:^([=()<>])::) { |
| 429 |
return ord($1); |
| 430 |
} elsif ($Intervall and $line =~ s:^,::) { |
| 431 |
return ord(','); |
| 432 |
} elsif ($line =~ s:^\[::) { |
| 433 |
$Intervall = 1; |
| 434 |
return ord('['); |
| 435 |
} elsif ($line =~ s:^\]::) { |
| 436 |
$Intervall = 0; |
| 437 |
return ord(']'); |
| 438 |
} elsif ($Intervall and $line =~ s:^([^,\]]+)::) { |
| 439 |
$yylval = $1; |
| 440 |
return $WORD; |
| 441 |
} elsif ($line =~ s:^([^=\[<>()\n\r\t ]+)::) { |
| 442 |
$yylval = $1; |
| 443 |
return $WORD; |
| 444 |
} |
| 445 |
return 0; |
| 446 |
} |
| 447 |
|
| 448 |
my @FLD; |
| 449 |
|
| 450 |
use vars qw(%FLD); |
| 451 |
|
| 452 |
sub fields { |
| 453 |
if (ref $FLD[-1]) { |
| 454 |
@{$FLD[-1]} |
| 455 |
} else { |
| 456 |
$FLD[-1]; |
| 457 |
} |
| 458 |
} |
| 459 |
|
| 460 |
|
| 461 |
sub enter { |
| 462 |
my $field = shift; |
| 463 |
|
| 464 |
if ($FLD{$field}) { |
| 465 |
push @FLD, $FLD{$field}; |
| 466 |
} else { |
| 467 |
croak "Unknown field name: $field"; |
| 468 |
} |
| 469 |
} |
| 470 |
|
| 471 |
sub leave { |
| 472 |
pop @FLD; |
| 473 |
} |
| 474 |
|
| 475 |
sub plain { |
| 476 |
my $word = shift; |
| 477 |
|
| 478 |
if ($word =~ s:\*$::) { |
| 479 |
prefix($word); |
| 480 |
} else { |
| 481 |
new WAIT::Query::Base $Table, $FLD[-1], Plain => $word; |
| 482 |
} |
| 483 |
} |
| 484 |
|
| 485 |
sub prefix { |
| 486 |
my $word = shift; |
| 487 |
my ($ff, @fld) = fields(); |
| 488 |
my $raw = $Table->prefix($ff, $word); |
| 489 |
for $ff (@fld) { |
| 490 |
my $new = $Table->prefix($ff, $word); |
| 491 |
$raw->merge($new); |
| 492 |
} |
| 493 |
new WAIT::Query::Base ($Table, $FLD[-1], Raw => $raw); |
| 494 |
} |
| 495 |
|
| 496 |
sub intervall { |
| 497 |
my ($left, $right) = @_; |
| 498 |
my ($ff, @fld) = fields(); |
| 499 |
my $raw = $Table->intervall($ff, $left, $right); |
| 500 |
for $ff (@fld) { |
| 501 |
my $new = $Table->intervall($ff, $left, $right); |
| 502 |
$raw->merge($new); |
| 503 |
} |
| 504 |
new WAIT::Query::Base ($Table, $FLD[-1], Raw => $raw); |
| 505 |
} |
| 506 |
|
| 507 |
use Text::Abbrev; |
| 508 |
sub query { |
| 509 |
local($Table) = shift; |
| 510 |
$line = shift; |
| 511 |
|
| 512 |
my @fields = $Table->fields; |
| 513 |
|
| 514 |
@FLD = (\@fields); # %FLD = abbrev(@fields); # patched Text::Abbrev |
| 515 |
abbrev(*FLD,@fields); |
| 516 |
yyparse(); |
| 517 |
$yyval; |
| 518 |
} |
| 519 |
|
| 520 |
1; |
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