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kroman_convert.c
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kroman_convert.c
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#include "kroman_convert.h"
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#define KROMAN_GA 0xac00
#define KROMAN_HIH 0xd7a3
#define KROMAN_HEAD_INTERVAL 588
#define KROMAN_BODY_INTERVAL 28
#define KROMAN_TAIL_INTERVAL 1
/*
* Referenced from
* http://www.programminginkorean.com/programming/hangul-in-unicode
* http://www.programminginkorean.com/programming/hangul-in-unicode/hangul-syllables-uac00-ud7a3/
* Many thanks!
*
* heads interval 588, total 19
* g gg n d dd r m b bb s ss ng(0) j jj c k t p h
* bodies interval 28, total 21
* a ae ya yae eo e yeo ye o wa wae oe yo u weo we wi yu eu eui i
* tails interval 1, total 28
* 0 g gg gs n nj nh d r rk rm rb rs rt rp rh m b bs s ss ng j c k t p h
*
* starts at U+AC00, ends at U+D7A3
*/
void kroman_head_from_index(int, char *);
void kroman_body_from_index(int, char *);
void kroman_tail_from_index(int, char *);
void kroman_convert(wchar_t character, char *retstring, bool *is_hangul) {
int char_int = (int)character;
// If it is hangul
if ((char_int >= KROMAN_GA) && (char_int <= KROMAN_HIH)) {
int head_index = (char_int - KROMAN_GA) / KROMAN_HEAD_INTERVAL;
int head_lefto = (char_int - KROMAN_GA) % KROMAN_HEAD_INTERVAL;
int body_index = head_lefto / KROMAN_BODY_INTERVAL;
int tail_index = head_lefto % KROMAN_BODY_INTERVAL;
char head_string[10];
kroman_head_from_index(head_index, head_string);
char body_string[10];
kroman_body_from_index(body_index, body_string);
char tail_string[10];
kroman_tail_from_index(tail_index, tail_string);
strcat(retstring, head_string);
strcat(retstring, body_string);
strcat(retstring, tail_string);
*is_hangul = true;
} else { // else normal wide char
wchar_t wchar_string[2];
wchar_string[0] = character;
wchar_string[1] = 0;
wcstombs(retstring, (const wchar_t *)wchar_string, 6);
*is_hangul = false;
}
}
void kroman_head_from_index(int head_index, char *retstring) {
char *head_string;
switch(head_index) {
case 0:
head_string = "g";
break;
case 1:
head_string = "gg";
break;
case 2:
head_string = "n";
break;
case 3:
head_string = "d";
break;
case 4:
head_string = "dd";
break;
case 5:
head_string = "r";
break;
case 6:
head_string = "m";
break;
case 7:
head_string = "b";
break;
case 8:
head_string = "bb";
break;
case 9:
head_string = "s";
break;
case 10:
head_string = "ss";
break;
case 11:
head_string = "";
break;
case 12:
head_string = "j";
break;
case 13:
head_string = "jj";
break;
case 14:
head_string = "c";
break;
case 15:
head_string = "k";
break;
case 16:
head_string = "t";
break;
case 17:
head_string = "p";
break;
case 18:
head_string = "h";
break;
default:
fprintf(stderr, "Error: Unknown head.\n");
exit(1);
break;
}
sprintf(retstring, "%s", head_string);
}
void kroman_body_from_index(int body_index, char *retstring) {
char *body_string;
switch(body_index) {
case 0:
body_string = "a";
break;
case 1:
body_string = "ae";
break;
case 2:
body_string = "ya";
break;
case 3:
body_string = "yae";
break;
case 4:
body_string = "eo";
break;
case 5:
body_string = "e";
break;
case 6:
body_string = "yeo";
break;
case 7:
body_string = "ye";
break;
case 8:
body_string = "o";
break;
case 9:
body_string = "wa";
break;
case 10:
body_string = "wae";
break;
case 11:
body_string = "oe";
break;
case 12:
body_string = "yo";
break;
case 13:
body_string = "u";
break;
case 14:
body_string = "weo";
break;
case 15:
body_string = "we";
break;
case 16:
body_string = "wi";
break;
case 17:
body_string = "yu";
break;
case 18:
body_string = "eu";
break;
case 19:
body_string = "eui";
break;
case 20:
body_string = "i";
break;
default:
fprintf(stderr, "Error: unknown body\n");
exit(1);
break;
}
sprintf(retstring, "%s", body_string);
}
void kroman_tail_from_index(int tail_index, char *retstring) {
char *tail_string;
switch(tail_index) {
case 0:
tail_string = "";
break;
case 1:
tail_string = "g";
break;
case 2:
tail_string = "gg";
break;
case 3:
tail_string = "gs";
break;
case 4:
tail_string = "n";
break;
case 5:
tail_string = "nj";
break;
case 6:
tail_string = "nh";
break;
case 7:
tail_string = "d";
break;
case 8:
tail_string = "r";
break;
case 9:
tail_string = "rk";
break;
case 10:
tail_string = "rm";
break;
case 11:
tail_string = "rb";
break;
case 12:
tail_string = "rs";
break;
case 13:
tail_string = "rt";
break;
case 14:
tail_string = "rp";
break;
case 15:
tail_string = "rh";
break;
case 16:
tail_string = "m";
break;
case 17:
tail_string = "b";
break;
case 18:
tail_string = "bs";
break;
case 19:
tail_string = "s";
break;
case 20:
tail_string = "ss";
break;
case 21:
tail_string = "ng";
break;
case 22:
tail_string = "j";
break;
case 23:
tail_string = "c";
break;
case 24:
tail_string = "k";
break;
case 25:
tail_string = "t";
break;
case 26:
tail_string = "p";
break;
case 27:
tail_string = "h";
break;
default:
fprintf(stderr, "Error: unknown tail\n");
exit(1);
break;
}
sprintf(retstring, "%s", tail_string);
}