embcsv.h

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// Copyright 2020 Matthew Chandler
 
// 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 EMBCSV_H
#define EMBCSV_H
 
#include <stdbool.h>
#include <stdlib.h>
 
#ifdef __cplusplus
extern "C"
{
#endif
 
#include "version.h"
 
#ifndef EMBCSV_FIELD_BUF_SIZE
#define EMBCSV_FIELD_BUF_SIZE 16
#endif
 
struct EMBCSV_reader
{
    #ifndef EMBCSV_NO_MALLOC
    char * field;                      
    size_t field_alloc;                
    #else
    char field[EMBCSV_FIELD_BUF_SIZE]; 
    #endif
    size_t field_size;                 
 
    char delimiter;                    
    char quote;                        
    bool lenient;                      
 
    bool quoted;                       
 
 
    enum {
        EMBCSV_STATE_READY,           
        EMBCSV_STATE_DOUBLE_QUOTE,    
        EMBCSV_STATE_CONSUME_NEWLINES 
    } state;
};
 
typedef struct EMBCSV_reader EMBCSV_reader;
 
 
typedef enum
{
    EMBCSV_INCOMPLETE, 
    EMBCSV_FIELD,      
    EMBCSV_END_OF_ROW, 
    EMBCSV_PARSE_ERROR 
} EMBCSV_result;
 
#ifndef EMBCSV_NO_MALLOC
 
 
    EMBCSV_reader * EMBCSV_reader_init_full(char delimiter, char quote, bool lenient);
 
 
    EMBCSV_reader * EMBCSV_reader_init(void);
 
 
    void EMBCSV_reader_free(EMBCSV_reader * r);
 
#else
 
 
    void EMBCSV_reader_init_full(EMBCSV_reader *r, char delimiter, char quote, bool lenient);
 
 
 
    void EMBCSV_reader_init(EMBCSV_reader *r);
 
#endif
 
 
EMBCSV_result EMBCSV_reader_parse_char(EMBCSV_reader * r, int c, const char ** field_out);
 
#ifdef __cplusplus
}
#endif
 
#endif // EMBCSV_H