eastasianwidthdef.h File Reference

#include "unibreakdef.h"

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Data Structures
struct	EastAsianWidthProperties
	Struct for entries of East Asian Width properties. More...

Enumerations
enum	EastAsianWidthClass {   EAW_A , EAW_F , EAW_H , EAW_Na ,   EAW_W , EAW_N }
	East Asian Width (ea) class. More...

Functions
enum EastAsianWidthClass	ub_get_char_eaw_class (utf32_t ch)
	Gets the East Asian Width class of a character.
bool	ub_is_op_east_asian (utf32_t ch)
	Returns whether an OP (Open Punctuation) is East Asian.

Enumeration Type Documentation

EastAsianWidthClass

enum EastAsianWidthClass

East Asian Width (ea) class.

This is defined in Unicode Standard Annex 11.

Enumerator
EAW_A	Ambiguous.
EAW_F	Fullwidth.
EAW_H	Halfwidth.
EAW_Na	Narrow.
EAW_W	Wide.
EAW_N	Neutral.

Function Documentation

ub_get_char_eaw_class()

enum EastAsianWidthClass ub_get_char_eaw_class

(

utf32_t

ch

)

Gets the East Asian Width class of a character.

Parameters

ch	character to check

Returns

the East Asian Width class if found; EAW_N otherwise

ub_is_op_east_asian()

bool ub_is_op_east_asian

(

utf32_t

ch

)

Returns whether an OP (Open Punctuation) is East Asian.

For the purpose of supporting LB30, being "east asian" here means the char has East_Asian_Width Property F/W/H.

Parameters

ch	Unicode codepoint (must be an OP)

Returns

it is east asian or not