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4b0ee5d209
Add a lexer and parser for translating Spotlight query strings to SPARQL. Signed-off-by: Ralph Boehme <slow@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
58 lines
1.7 KiB
Plaintext
58 lines
1.7 KiB
Plaintext
/*
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Unix SMB/CIFS implementation.
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Main metadata server / Spotlight routines
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Copyright (C) Ralph Boehme 2012-2014
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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 3 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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%{
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#include "includes.h"
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#include "sparql_parser.h"
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#define YY_NO_INPUT
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%}
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%option nounput
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ASC [a-zA-Z0-9_\*\:\-\.]
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U [\x80-\xbf]
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U2 [\xc2-\xdf]
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U3 [\xe0-\xef]
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U4 [\xf0-\xf4]
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UANY {ASC}|{U2}{U}|{U3}{U}{U}|{U4}{U}{U}{U}
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UONLY {U2}{U}|{U3}{U}{U}|{U4}{U}{U}{U}
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%%
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InRange return FUNC_INRANGE;
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\$time\.iso return DATE_ISO;
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false {yylval.bval = false; return BOOL;}
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true {yylval.bval = true; return BOOL;}
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\" return QUOTE;
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\( return OBRACE;
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\) return CBRACE;
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\&\& return AND;
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\|\| return OR;
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\=\= return EQUAL;
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\!\= return UNEQUAL;
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\= return EQUAL;
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\< return LT;
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\> return GT;
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\, return COMMA;
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{UANY}+ {yylval.sval = talloc_strdup(talloc_tos(), yytext); return WORD;}
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[ \t\n] /* ignore */
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%%
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