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/*
* Copyright (c) 2002-2015 Balabit
* Copyright (c) 1998-2015 Balázs Scheidler
*
* 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 "csvparser-parser.h"
}
%code {
#include "csvparser.h"
#include "cfg-parser.h"
#include "cfg-grammar-internal.h"
#include "syslog-names.h"
#include "messages.h"
}
%define api.prefix {csvparser_}
/* 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_CSV_PARSER
%token KW_DIALECT
%token KW_PREFIX
%token KW_COLUMNS
%token KW_DELIMITERS
%token KW_QUOTES
%token KW_QUOTE_PAIRS
%token KW_NULL
%token KW_CHARS
%token KW_STRINGS
%token KW_DROP_INVALID
%token KW_ON_TYPE_ERROR
%type <ptr> parser_expr_csv
%type <ptr> parser_csv_columns
%type <ptr> parser_csv_column
%type <cptr> parser_csv_flag
%type <num> parser_csv_flags
%type <num> parser_csv_dialect
%%
start
: LL_CONTEXT_PARSER parser_expr_csv { YYACCEPT; }
;
parser_expr_csv
: KW_CSV_PARSER '('
{
last_parser = *instance = csv_parser_new(configuration);
}
parser_csv_opts
')' { $$ = last_parser; }
;
parser_csv_opts
: parser_csv_opt parser_csv_opts
|
;
parser_csv_opt
/* CSVParser related options */
: KW_FLAGS '(' parser_csv_flags ')' { CHECK_ERROR(csv_parser_set_flags(last_parser, $3), @3, "only one escape style can be used in the flags argument"); }
| KW_PREFIX '(' string ')' { csv_parser_set_prefix(last_parser, $3); free($3); }
| KW_DROP_INVALID '(' yesno ')' { csv_parser_set_drop_invalid(last_parser, $3); }
/* CSVScanner related options */
| KW_DIALECT '(' parser_csv_dialect ')' { csv_scanner_options_set_dialect(csv_parser_get_scanner_options(last_parser), $3); }
| KW_DELIMITERS '(' parser_csv_delimiters ')'
| KW_QUOTES '(' string ')' { csv_scanner_options_set_quotes(csv_parser_get_scanner_options(last_parser), $3); free($3); }
| KW_QUOTE_PAIRS '(' string ')' { csv_scanner_options_set_quote_pairs(csv_parser_get_scanner_options(last_parser), $3); free($3); }
| KW_NULL '(' string ')' { csv_scanner_options_set_null_value(csv_parser_get_scanner_options(last_parser), $3); free($3); }
| KW_COLUMNS '(' parser_csv_columns ')' { csv_parser_set_columns(last_parser, $3); }
| KW_ON_TYPE_ERROR '(' string ')'
{
gint on_error;
CHECK_ERROR(on_error_parse($3, &on_error), @3, "Invalid on-type-error() setting \"%s\"", $3);
free($3);
csv_parser_set_on_error(last_parser, on_error);
}
| parser_opt
;
parser_csv_delimiters
: string { csv_scanner_options_set_delimiters(csv_parser_get_scanner_options(last_parser), $1); free($1); }
| parser_csv_delimiters_opts
;
parser_csv_delimiters_opts
: parser_csv_delimiters_opt parser_csv_delimiters_opts
|
;
parser_csv_delimiters_opt
: KW_CHARS '(' string ')' { csv_scanner_options_set_delimiters(csv_parser_get_scanner_options(last_parser), $3); free($3); }
| KW_STRINGS '(' string_list ')' { csv_scanner_options_set_string_delimiters(csv_parser_get_scanner_options(last_parser), $3); }
;
parser_csv_flags
: parser_csv_flag parser_csv_flags
{
guint32 flag = csv_parser_lookup_flag($1);
CHECK_ERROR(flag != 0, @1, "unknown csv-parser() flag %s", $1);
$$ = flag | $2;
free($1);
}
| { $$ = 0; }
;
parser_csv_flag
: normalized_flag { $$ = $1; }
| KW_DROP_INVALID { $$ = strdup(lexer->token_text->str); };
;
parser_csv_dialect
: normalized_flag {
gint mode = csv_parser_lookup_dialect($1);
CHECK_ERROR(mode >= 0, @1, "unknown dialect() argument for csv-parser()");
free($1);
$$ = mode;
}
parser_csv_columns
: parser_csv_column parser_csv_columns { $$ = g_list_prepend($2, $1); }
| { $$ = NULL; }
;
parser_csv_column
: string { $$ = csv_parser_column_new($1, LM_VT_STRING); }
| type_hint '(' string ')' { $$ = csv_parser_column_new($3, $1); }
;
/* INCLUDE_RULES */
%%
|
