unicode.h File Reference

Macros
#define	UNI_MAX_HEADER_SIZE   3
#define	UNI_MAX_UTF8_SIZE   3
Define a ID for each text format
PS: This defines numbers are extract of ID3 norms
#define	UNI_TYPE_UNKNOWN   0xFF
#define	UNI_TYPE_ASCII   0x00
#define	UNI_TYPE_UTF16LE   0x01
#define	UNI_TYPE_UTF16BE   0x02
#define	UNI_TYPE_UTF8   0x03

Functions
uint8_t	unicode_header_get (uint8_t *header, uint8_t txt_format)
	Return the header corresponding at text format identifier. More...
uint8_t	unicode_header_scan (uint8_t *header)
	Detect the text format via a header (3 bytes) More...
uint8_t	utf8_to_unicode (uint8_t *utf8, uint16_t *unicode)
	Conversion UTF-8 to unicode. More...

#define UNI_MAX_HEADER_SIZE   3

Referenced by reader_txt_beg(), and reader_txt_new().

#define UNI_MAX_UTF8_SIZE   3

Referenced by reader_txt_get_line().

#define UNI_TYPE_ASCII   0x00

Referenced by unicode_header_scan().

#define UNI_TYPE_UNKNOWN   0xFF

#define UNI_TYPE_UTF16BE   0x02

Referenced by reader_txt_get_line(), unicode_header_get(), and unicode_header_scan().

#define UNI_TYPE_UTF16LE   0x01

Referenced by reader_txt_get_line(), unicode_header_get(), and unicode_header_scan().

#define UNI_TYPE_UTF8   0x03

Referenced by reader_txt_get_line(), unicode_header_get(), and unicode_header_scan().

uint8_t unicode_header_get	(	uint8_t *	header,
		uint8_t	txt_format
	)

Return the header corresponding at text format identifier.

Parameters

txt_format	UNI_TYPE_UTF8, UNI_TYPE_UTF16BE, UNI_TYPE_UTF16LE, UNI_TYPE_ASCII
header	header to fill (array of 3B)

Returns

the size of header

References UNI_TYPE_UTF16BE, UNI_TYPE_UTF16LE, and UNI_TYPE_UTF8.

Referenced by reader_txt_beg(), and reader_txt_new().

uint8_t unicode_header_scan

(

uint8_t *

header

)

Detect the text format via a header (3 bytes)

Parameters

header

header to analyze (array of 3B)

Returns

text format identifier

References UNI_TYPE_ASCII, UNI_TYPE_UTF16BE, UNI_TYPE_UTF16LE, and UNI_TYPE_UTF8.

Referenced by reader_txt_beg().

uint8_t utf8_to_unicode	(	uint8_t *	utf8,
		uint16_t *	unicode
	)

Conversion UTF-8 to unicode.

Parameters

utf8	array with utf8 codes (array of 3B max)
unicode	pointer used to store the character unicode decoded

Returns

the size of UTF8 decoded

Referenced by reader_txt_get_line().