HangulCommonConstants

constants are defined here: The Unicode Standard, chapter 3 Conformance, section 3.12

Name	Type	Comment	Kind
S_BASE	UnicodeCodePoint	start of hangul syllables unicode block	constant
L_BASE	UnicodeCodePoint	start of jamo choseong unicdoe block	constant
V_BASE	UnicodeCodePoint	start of jamo jungseong unicode block (without 1160;HANGUL JUNGSEONG FILLER)	constant
T_BASE	UnicodeCodePoint	one less than the beginning of the range of trailing consonants, which starts at U+11A8	constant
L_COUNT	DWORD	-	constant
V_COUNT	DWORD	-	constant
T_COUNT	DWORD	one more than the number of trailing consonants relevant to the decomposition algorithm: (11C2 - 11A8 + 1) + 1	constant
N_COUNT	DWORD	588, the number of precomposed Hangul syllables starting with the same leading consonant, counting both the LV_Syllables and the LVT_Syllables for each possible trailing consonan	constant
S_COUNT	DWORD	11172, total number of precomposed Hangul syllables	constant

Code

Declaration

{attribute 'qualified_only'}
VAR_GLOBAL INTERNAL CONSTANT
	(* start of hangul syllables unicode block *)
	S_BASE :UnicodeCodePoint := 16#AC00;
	(* start of jamo choseong unicdoe block *)
	L_BASE :UnicodeCodePoint := 16#1100;
	(* start of jamo jungseong unicode block (without 1160;HANGUL JUNGSEONG FILLER) *)
	V_BASE :UnicodeCodePoint := 16#1161;
	(* one less than the beginning of the range of trailing consonants, which starts at U+11A8 *)
	T_BASE :UnicodeCodePoint := 16#11A7; 
	L_COUNT :DWORD := 19;
	V_COUNT :DWORD := 21;
	(* one more than the number of trailing consonants relevant 
       to the decomposition algorithm: (11C2 - 11A8 + 1) + 1 *)
	T_COUNT :DWORD := 28; 
	(* 588, the number of precomposed Hangul syllables starting with the same leading consonant, 
       counting both the LV_Syllables and the LVT_Syllables for each possible trailing consonan *)
	N_COUNT :DWORD := V_COUNT*T_COUNT; 
	(* 11172, total number of precomposed Hangul syllables*)
	S_COUNT :DWORD := L_COUNT*N_COUNT;
END_VAR