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/*
* Copyright (c) 2002-2015 Balabit
* Copyright (c) 1998-2015 Balázs Scheidler
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; 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.
*
*/
#ifndef CSVSCANNER_H_INCLUDED
#define CSVSCANNER_H_INCLUDED
#include "syslog-ng.h"
typedef enum
{
CSV_SCANNER_ESCAPE_NONE,
CSV_SCANNER_ESCAPE_BACKSLASH,
CSV_SCANNER_ESCAPE_BACKSLASH_WITH_SEQUENCES,
CSV_SCANNER_ESCAPE_DOUBLE_CHAR,
} CSVScannerDialect;
#define CSV_SCANNER_STRIP_WHITESPACE 0x0001
#define CSV_SCANNER_GREEDY 0x0002
typedef struct _CSVScannerOptions
{
gchar *delimiters;
gchar *quotes_start;
gchar *quotes_end;
gchar *null_value;
GList *string_delimiters;
CSVScannerDialect dialect;
gint expected_columns;
guint32 flags;
} CSVScannerOptions;
void csv_scanner_options_clean(CSVScannerOptions *options);
void csv_scanner_options_copy(CSVScannerOptions *dst, CSVScannerOptions *src);
gboolean csv_scanner_options_validate(CSVScannerOptions *options);
void csv_scanner_options_set_dialect(CSVScannerOptions *options, CSVScannerDialect dialect);
void csv_scanner_options_set_flags(CSVScannerOptions *options, guint32 flags);
void csv_scanner_options_set_expected_columns(CSVScannerOptions *options, gint expected_columns);
void csv_scanner_options_set_delimiters(CSVScannerOptions *options, const gchar *delimiters);
void csv_scanner_options_set_string_delimiters(CSVScannerOptions *options, GList *string_delimiters);
void csv_scanner_options_set_quotes_start_and_end(CSVScannerOptions *options, const gchar *quotes_start,
const gchar *quotes_end);
void csv_scanner_options_set_quotes(CSVScannerOptions *options, const gchar *quotes);
void csv_scanner_options_set_quote_pairs(CSVScannerOptions *options, const gchar *quote_pairs);
void csv_scanner_options_set_null_value(CSVScannerOptions *options, const gchar *null_value);
typedef struct
{
CSVScannerOptions *options;
enum
{
CSV_STATE_INITIAL,
CSV_STATE_COLUMNS,
CSV_STATE_GREEDY_COLUMN,
CSV_STATE_PARTIAL_INPUT,
CSV_STATE_FINISH,
} state;
const gchar *src;
gint current_column;
GString *current_value;
gchar current_quote;
} CSVScanner;
gint csv_scanner_get_current_column(CSVScanner *self);
const gchar *csv_scanner_get_current_value(CSVScanner *pstate);
gint csv_scanner_get_current_value_len(CSVScanner *self);
gboolean csv_scanner_scan_next(CSVScanner *pstate);
gboolean csv_scanner_is_scan_complete(CSVScanner *pstate);
gchar *csv_scanner_dup_current_value(CSVScanner *self);
void csv_scanner_init(CSVScanner *pstate, CSVScannerOptions *options, const gchar *input);
void csv_scanner_deinit(CSVScanner *pstate);
#endif
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