xml-grammar.ym

/*
 * Copyright (c) 2017 Balabit
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published
 * by the Free Software Foundation, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * As an additional exemption you are allowed to compile & link against the
 * OpenSSL libraries as published by the OpenSSL project. See the file
 * COPYING for details.
 *
 */

%code top {
#include "xml-parser.h"
}


%code {
#include "xml.h"
#include "cfg-parser.h"
#include "cfg-grammar.h"
#include "xml-grammar.h"
#include "syslog-names.h"
#include "messages.h"
#include "plugin.h"

#include <string.h>

XMLScannerOptions *last_xml_scanner_options;

}

%name-prefix "xml_"

/* this parameter is needed in order to instruct bison to use a complete
 * argument list for yylex/yyerror */

%lex-param {CfgLexer *lexer}
%parse-param {CfgLexer *lexer}
%parse-param {LogParser **instance}
%parse-param {gpointer arg}

/* INCLUDE_DECLS */

%token KW_XML
%token KW_PREFIX
%token KW_DROP_INVALID
%token KW_EXCLUDE_TAGS
%token KW_STRIP_WHITESPACES
%token KW_CREATE_LISTS


%type	<ptr> parser_xml
%%

start
  : LL_CONTEXT_PARSER parser_xml          { YYACCEPT; }
  ;

parser_xml
  : KW_XML '('
     {
        last_parser = *instance = (LogParser *) xml_parser_new(configuration);
        last_xml_scanner_options = xml_parser_get_scanner_options(last_parser);
     }

        xml_options
                       ')'
     {
        $$ = last_parser;
     }
  ;

xml_options
        : xml_opt xml_options
        |
        ;

xml_opt
        : KW_PREFIX '(' string ')'      { xml_parser_set_prefix(last_parser, $3); free($3); }
        | KW_DROP_INVALID '(' yesno ')' { xml_parser_set_forward_invalid(last_parser, !$3); };
        | KW_EXCLUDE_TAGS '(' string_list ')'
          {
            xml_scanner_options_set_and_compile_exclude_tags(last_xml_scanner_options, $3);
            g_list_free_full($3, free);
          }
        | KW_STRIP_WHITESPACES '(' yesno ')'
          { xml_scanner_options_set_strip_whitespaces(last_xml_scanner_options, $3); }
        | KW_CREATE_LISTS '(' yesno ')' { xml_parser_allow_create_lists(last_parser, $3); }
        | parser_opt
        ;

/* INCLUDE_RULES */

%%