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

References c0, c1, and c2.

Referenced by reader_txt_get_line().