/char_conv.h

http://datacard.googlecode.com/ · C Header · 35 lines · 19 code · 6 blank · 10 comment · 0 complexity · b3756d7cfd21f90aa6759d2d4e233a83 MD5 · raw file 

    

  1. /*
    2. 

  2.    Copyright (C) 2010 bg <bg_one@mail.ru>
    3. 

  3. */
    4. 

  4. #ifndef CHAN_DATACARD_CHAR_CONV_H_INCLUDED
    5. 

  5. #define CHAN_DATACARD_CHAR_CONV_H_INCLUDED
    6. 

  6. 

  7. #include <sys/types.h>			/* ssize_t size_t */
    8. 

  8. #include "export.h"			/* EXPORT_DECL EXPORT_DEF */
    9. 

  9. 

  10. /* encoding types of strings to/from device */
    11. 

  11. /* for simplefy first 3 values same as in PDU DCS bits 3..2 */
    12. 

  12. /* NOTE: order is magic see definition of recoders in char_conv.c */
    13. 

  13. typedef enum {
    14. 

  14. 	STR_ENCODING_7BIT_HEX		= 0,	/* 7bit encoding */
    15. 

  15. 	STR_ENCODING_8BIT_HEX,			/* 8bit encoding */
    16. 

  16. 	STR_ENCODING_UCS2_HEX,			/* UCS-2 in hex like PDU */
    17. 

  17. /* TODO: check its really 7bit input from device */
    18. 

  18. 	STR_ENCODING_7BIT,			/* 7bit ASCII  no need recode to utf-8 */
    19. 

  19. //	STR_ENCODING_8BIT,			/* 8bit */
    20. 

  20. //	STR_ENCODING_UCS2,			/* UCS2 */
    21. 

  21. 	STR_ENCODING_UNKNOWN,			/* still unknown */
    22. 

  22. } str_encoding_t;
    23. 

  23. 

  24. typedef enum {
    25. 

  25. 	RECODE_DECODE	=	0,		/* from encoded to UTF-8 */
    26. 

  26. 	RECODE_ENCODE				/* from UTF-8 to encoded */
    27. 

  27. } recode_direction_t;
    28. 

  28. 

  29. /* recode in both directions */
    30. 

  30. EXPORT_DECL ssize_t str_recode(recode_direction_t dir, str_encoding_t encoding, const char* in, size_t in_length, char* out, size_t out_size);
    31. 

  31. 

  32. EXPORT_DECL int parse_hexdigit(int hex);
    33. 

  33. EXPORT_DECL str_encoding_t get_encoding(recode_direction_t hint, const char * in, size_t in_length);
    34. 

  34. 

  35. #endif /* CHAN_DATACARD_CHAR_CONV_H_INCLUDED */
    36.