LineBreakContext Struct Reference

Context representing internal state of the line breaking algorithm. More...

#include <linebreakdef.h>

Collaboration diagram for LineBreakContext:

Data Fields
const struct LineBreakProperties *	lbpLang
	Pointer to LineBreakProperties.
size_t	posLast
	Last position in input string.
enum LineBreakClass	lbcCur
	Breaking class of current codepoint.
enum LineBreakClass	lbcNew
	Breaking class of next codepoint.
enum LineBreakClass	lbcLast
	Breaking class of last codepoint.
enum PendingRule	ePending
	Pending lookahead rule.
enum Lb25State	eLb25
	LB25 state for numeric expression.
int	cLb30aRI
	Count of RI characters (LB30a).
bool	fLb8aZwj
	Flag for ZWJ (LB8a).
bool	fLb21aHebrew
	Flag for Hebrew letters (LB21a).
bool	fLb20aWordInit
	Previous char is word-initial hyphen.
bool	fLb28aPrevAksara
	Previous char is aksara (LB28a).
bool	fLb28aAkVi
	(AK|◌|AS) VI seen (LB28a)
bool	fLangCjk
	zh/ja/ko language
bool	fLangStrict
	-strict suffix
bool	fPrevPotentialEmoji
	Previous char is potential emoji.
bool	fQuPiInitial
	Previous Pi QU is in initial context.
bool	fPrevQuPi
	Previous char is QU of class Pi.
bool	fPrevQuPf
	Previous char is QU of class Pf.
bool	fPrevEA
	Previous char is East Asian.
bool	fQuPrevEA
	Char before previous QU is East Asian.
size_t	posPending
	Position of tentative break.
size_t	posLb25Fixup
	Position to fix for LB25.
bool	fLb25Mark
	Flag for pending fixup.
char	cPendingOrigBrk
	Break value to restore on revert.
bool	fPendingRevert
	Flag for pending revert.

Detailed Description

Context representing internal state of the line breaking algorithm.

This is useful to callers if incremental analysis is wanted.

The fields are ordered so that the members accessed on every character sit first, while the rarely used lookahead-fixup state sits last.

Field Documentation

cLb30aRI

int LineBreakContext::cLb30aRI

Count of RI characters (LB30a).

cPendingOrigBrk

char LineBreakContext::cPendingOrigBrk

Break value to restore on revert.

eLb25

enum Lb25State LineBreakContext::eLb25

LB25 state for numeric expression.

ePending

enum PendingRule LineBreakContext::ePending

Pending lookahead rule.

fLangCjk

bool LineBreakContext::fLangCjk

zh/ja/ko language

fLangStrict

bool LineBreakContext::fLangStrict

-strict suffix

fLb20aWordInit

bool LineBreakContext::fLb20aWordInit

Previous char is word-initial hyphen.

fLb21aHebrew

bool LineBreakContext::fLb21aHebrew

Flag for Hebrew letters (LB21a).

fLb25Mark

bool LineBreakContext::fLb25Mark

Flag for pending fixup.

fLb28aAkVi

bool LineBreakContext::fLb28aAkVi

(AK|◌|AS) VI seen (LB28a)

fLb28aPrevAksara

bool LineBreakContext::fLb28aPrevAksara

Previous char is aksara (LB28a).

fLb8aZwj

bool LineBreakContext::fLb8aZwj

Flag for ZWJ (LB8a).

fPendingRevert

bool LineBreakContext::fPendingRevert

Flag for pending revert.

fPrevEA

bool LineBreakContext::fPrevEA

Previous char is East Asian.

fPrevPotentialEmoji

bool LineBreakContext::fPrevPotentialEmoji

Previous char is potential emoji.

fPrevQuPf

bool LineBreakContext::fPrevQuPf

Previous char is QU of class Pf.

fPrevQuPi

bool LineBreakContext::fPrevQuPi

Previous char is QU of class Pi.

fQuPiInitial

bool LineBreakContext::fQuPiInitial

Previous Pi QU is in initial context.

fQuPrevEA

bool LineBreakContext::fQuPrevEA

Char before previous QU is East Asian.

lbcCur

enum LineBreakClass LineBreakContext::lbcCur

Breaking class of current codepoint.

lbcLast

enum LineBreakClass LineBreakContext::lbcLast

Breaking class of last codepoint.

lbcNew

enum LineBreakClass LineBreakContext::lbcNew

Breaking class of next codepoint.

lbpLang

const struct LineBreakProperties* LineBreakContext::lbpLang

Pointer to LineBreakProperties.

posLast

size_t LineBreakContext::posLast

Last position in input string.

posLb25Fixup

size_t LineBreakContext::posLb25Fixup

Position to fix for LB25.

posPending

size_t LineBreakContext::posPending

Position of tentative break.

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The documentation for this struct was generated from the following file:

• linebreakdef.h