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/**
* Copyright (C) 2013 Tadas Vilkeliskis <vilkeliskis.t@gmail.com>
*
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is furnished to do
* so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef CSV_PARSER_INCLUDE_GUARD_E95A7C4D_BE4A_49D1_8607_900F36DD25B8
#define CSV_PARSER_INCLUDE_GUARD_E95A7C4D_BE4A_49D1_8607_900F36DD25B8
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include <sys/types.h>
typedef enum csv_parser_state_t {
csvps_line_start = 0,
csvps_field_start,
csvps_field_value,
csvps_field_quoted_value,
csvps_field_quoted_quote,
csvps_field_end,
csvps_line_end_begin,
csvps_line_end,
csvps_error,
} csv_parser_state_t;
typedef struct csv_parser_t {
csv_parser_state_t state;
/* csv row */
int row;
/* csv column */
int col;
size_t nread;
/* user data */
void *data;
} csv_parser_t;
/**
* Field callback interface.
*
* Field callback can be called multiple times for the same row and column.
* It's up to the user to construct full field value.
*
* Return 0 value on success, anything else on error.
*/
typedef int (*csv_parser_field_calback_t)(csv_parser_t *parser,
const char *data,
size_t length,
int row,
int col);
typedef struct csv_parser_settings_t {
char delimiter;
csv_parser_field_calback_t field_cb;
} csv_parser_settings_t;
void csv_parser_init(csv_parser_t *parser);
/**
* Executes CSV parser on the given data. Returns number
* of bytes read. User should always check if parser state
* is ``csvps_error``. Parser will get into the error state
* if field callback returns a non-zero value.
*/
size_t csv_parser_execute(csv_parser_t *parser,
const csv_parser_settings_t *settings,
const char *data,
size_t data_len);
/**
* Flush any pending state. This is useful when the file ends
* without a trailing newline, to flush the final empty field.
* Returns 0 on success, anything else on error.
*/
int csv_parser_finish(csv_parser_t *parser, const csv_parser_settings_t *settings);
#ifdef __cplusplus
}
#endif
#endif /* end of include guard */
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