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pinyin.c
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pinyin.c
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/**
* pinyin.c
*
* Copyright (c) 2005, 2006, 2008, 2012-2014
* libchewing Core Team. See ChangeLog for details.
*
* See the file "COPYING" for information on usage and redistribution
* of this file.
*/
/* @(#)pinyin.c
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "global-private.h"
#include "pinyin-private.h"
#include "bopomofo-private.h"
#include "private.h"
void TerminatePinyin(ChewingData *pgdata)
{
free(pgdata->static_data.hanyuInitialsMap);
free(pgdata->static_data.hanyuFinalsMap);
}
int InitPinyin(ChewingData *pgdata, const char *prefix)
{
char filename[PATH_MAX];
int i;
FILE *fd;
int ret;
sprintf(filename, "%s" PLAT_SEPARATOR "%s", prefix, PINYIN_TAB_NAME);
fd = fopen(filename, "r");
if (!fd)
return 0;
ret = fscanf(fd, "%d", &pgdata->static_data.HANYU_INITIALS);
if (ret != 1) {
goto fail;
}
++pgdata->static_data.HANYU_INITIALS;
pgdata->static_data.hanyuInitialsMap = ALC(keymap, pgdata->static_data.HANYU_INITIALS);
for (i = 0; i < pgdata->static_data.HANYU_INITIALS - 1; i++) {
ret = fscanf(fd, "%s %s",
pgdata->static_data.hanyuInitialsMap[i].pinyin, pgdata->static_data.hanyuInitialsMap[i].bopomofo);
if (ret != 2) {
goto fail;
}
}
ret = fscanf(fd, "%d", &pgdata->static_data.HANYU_FINALS);
if (ret != 1) {
goto fail;
}
++pgdata->static_data.HANYU_FINALS;
pgdata->static_data.hanyuFinalsMap = ALC(keymap, pgdata->static_data.HANYU_FINALS);
for (i = 0; i < pgdata->static_data.HANYU_FINALS - 1; i++) {
ret = fscanf(fd, "%s %s",
pgdata->static_data.hanyuFinalsMap[i].pinyin, pgdata->static_data.hanyuFinalsMap[i].bopomofo);
if (ret != 2) {
goto fail;
}
}
fclose(fd);
return 1;
fail:
fclose(fd);
return 0;
}
/**
* Map pinyin key-sequence to Bopomofo key-sequence.
* Caller should allocate char bopomofo[4].
*
* Non-Zero: Fail to fully convert
*
* @retval 0 Success
*/
int PinyinToBopomofo(ChewingData *pgdata, const char *pinyinKeySeq, char *bopomofoKeySeq, char *bopomofoKeySeqAlt)
{
const char *p, *cursor = NULL;
const char *initial = 0;
const char *final = 0;
const char *seq = 0;
int i;
/* special cases for WG */
if (!strcmp(pinyinKeySeq, "tzu")) {
seq = "y yj"; /* ㄗ|ㄗㄨ */
} else if (!strcmp(pinyinKeySeq, "ssu") || !strcmp(pinyinKeySeq, "szu")) {
seq = "n n"; /* ㄙ|ㄙㄨ */
}
/* common multiple mapping */
if (!strcmp(pinyinKeySeq, "e")) {
seq = "k ,"; /* ㄜ|ㄝ */
} else if (!strcmp(pinyinKeySeq, "ch")) {
seq = "t f"; /* ㄔ|ㄑ */
} else if (!strcmp(pinyinKeySeq, "sh")) {
seq = "g v"; /* ㄕ|ㄒ */
} else if (!strcmp(pinyinKeySeq, "c")) {
seq = "h f"; /* ㄘ|ㄑ */
} else if (!strcmp(pinyinKeySeq, "s")) {
seq = "n v"; /* ㄙ|ㄒ */
} else if (!strcmp(pinyinKeySeq, "nu")) {
seq = "sj sm"; /* ㄋㄨ|ㄋㄩ */
} else if (!strcmp(pinyinKeySeq, "lu")) {
seq = "xj xm"; /* ㄌㄨ|ㄌㄩ */
} else if (!strcmp(pinyinKeySeq, "luan")) {
seq = "xj0 xm0"; /* ㄌㄨㄢ|ㄌㄩㄢ */
} else if (!strcmp(pinyinKeySeq, "niu")) {
seq = "su. sm"; /* ㄋㄧㄡ|ㄋㄩ */
} else if (!strcmp(pinyinKeySeq, "liu")) {
seq = "xu. xm"; /* ㄌㄧㄡ|ㄌㄩ */
} else if (!strcmp(pinyinKeySeq, "jiu")) {
seq = "ru. rm"; /* ㄐㄧㄡ|ㄐㄩ */
} else if (!strcmp(pinyinKeySeq, "chiu")) {
seq = "fu. fm"; /* ㄑㄧㄡ|ㄑㄩ */
} else if (!strcmp(pinyinKeySeq, "shiu")) {
seq = "vu. vm"; /* ㄒㄧㄡ|ㄒㄩ */
} else if (!strcmp(pinyinKeySeq, "ju")) {
seq = "rm 5j"; /* ㄐㄩ|ㄓㄨ */
} else if (!strcmp(pinyinKeySeq, "juan")) {
seq = "rm0 5j0"; /* ㄐㄩㄢ|ㄓㄨㄢ */
}
/* multiple mapping for each kbtype */
switch (pgdata->bopomofoData.kbtype) {
case KB_HANYU_PINYIN:
if (!strcmp(pinyinKeySeq, "chi")) {
seq = "t fu"; /* ㄔ|ㄑㄧ */
} else if (!strcmp(pinyinKeySeq, "shi")) {
seq = "g vu"; /* ㄕ|ㄒㄧ */
} else if (!strcmp(pinyinKeySeq, "ci")) {
seq = "h fu"; /* ㄘ|ㄑㄧ */
} else if (!strcmp(pinyinKeySeq, "si")) {
seq = "n vu"; /* ㄙ|ㄒㄧ */
}
break;
case KB_THL_PINYIN:
if (!strcmp(pinyinKeySeq, "chi")) {
seq = "fu t"; /* ㄑㄧ|ㄔ */
} else if (!strcmp(pinyinKeySeq, "shi")) {
seq = "vu g"; /* ㄒㄧ|ㄕ */
} else if (!strcmp(pinyinKeySeq, "ci")) {
seq = "fu h"; /* ㄑㄧ|ㄘ */
} else if (!strcmp(pinyinKeySeq, "si")) {
seq = "vu n"; /* ㄒㄧ|ㄙ */
}
break;
case KB_MPS2_PINYIN:
if (!strcmp(pinyinKeySeq, "chi")) {
seq = "fu t"; /* ㄑㄧ|ㄔ */
} else if (!strcmp(pinyinKeySeq, "shi")) {
seq = "vu g"; /* ㄒㄧ|ㄕ */
} else if (!strcmp(pinyinKeySeq, "ci")) {
seq = "fu h"; /* ㄑㄧ|ㄘ */
} else if (!strcmp(pinyinKeySeq, "si")) {
seq = "vu n"; /* ㄒㄧ|ㄙ */
} else if (!strcmp(pinyinKeySeq, "niu")) {
seq = "sm su."; /* ㄋㄩ|ㄋㄧㄡ */
} else if (!strcmp(pinyinKeySeq, "liu")) {
seq = "xm xu."; /* ㄌㄩ|ㄌㄧㄡ */
} else if (!strcmp(pinyinKeySeq, "jiu")) {
seq = "rm ru."; /* ㄐㄩ|ㄐㄧㄡ */
} else if (!strcmp(pinyinKeySeq, "chiu")) {
seq = "fm fu."; /* ㄑㄩ|ㄑㄧㄡ */
} else if (!strcmp(pinyinKeySeq, "shiu")) {
seq = "vm vu."; /* ㄒㄩ|ㄒㄧㄡ */
} else if (!strcmp(pinyinKeySeq, "ju")) {
seq = "5j rm"; /* ㄓㄨ|ㄐㄩ */
} else if (!strcmp(pinyinKeySeq, "juan")) {
seq = "5j0 rm0"; /* ㄓㄨㄢ|ㄐㄩㄢ */
} else if (!strcmp(pinyinKeySeq, "juen")) {
seq = "5jp 5jp"; /* ㄓㄨㄣ|ㄓㄨㄣ */
} else if (!strcmp(pinyinKeySeq, "tzu")) {
seq = "yj y"; /* ㄗㄨ|ㄗ */
}
break;
}
if (seq != NULL) {
char s[BOPOMOFO_SIZE * 2 + 1];
strcpy(s, seq);
initial = strtok(s, " ");
strcpy(bopomofoKeySeq, initial);
initial = strtok(NULL, " ");
strcpy(bopomofoKeySeqAlt, initial);
return 0;
}
for (i = 0; i < pgdata->static_data.HANYU_INITIALS; i++) {
p = strstr(pinyinKeySeq, pgdata->static_data.hanyuInitialsMap[i].pinyin);
if (p == pinyinKeySeq) {
initial = pgdata->static_data.hanyuInitialsMap[i].bopomofo;
cursor = pinyinKeySeq + strlen(pgdata->static_data.hanyuInitialsMap[i].pinyin);
break;
}
}
if (i == pgdata->static_data.HANYU_INITIALS) {
/* No initials. might be ㄧㄨㄩ */
/* XXX: I NEED Implementation
if(finalsKeySeq[0] != ) {
}
*/
return 1;
}
if (cursor) {
for (i = 0; i < pgdata->static_data.HANYU_FINALS; i++) {
if (strcmp(cursor, pgdata->static_data.hanyuFinalsMap[i].pinyin) == 0) {
final = pgdata->static_data.hanyuFinalsMap[i].bopomofo;
break;
}
}
if (i == pgdata->static_data.HANYU_FINALS) {
return 2;
}
}
/* catch the above exceptions */
if (!final) final = "";
if (!initial) initial = "";
/* THL empty rime
* we use '=' in pinyin.tab as empty rime, restore it to ''
*/
if (!strcmp(final, "=")) {
final = "";
}
/* Hanyu empty rime
* ㄓ/ㄔ/ㄕ/ㄖ/ㄗ/ㄘ/ㄙ + -i, -i is empty rime, not ㄧ
* */
if (!strcmp(final, "u")) {
if (!strcmp(initial, "5") ||
!strcmp(initial, "t") ||
!strcmp(initial, "g") ||
!strcmp(initial, "b") || !strcmp(initial, "y") || !strcmp(initial, "h") || !strcmp(initial, "n")) {
final = "";
}
}
/* Hanyu uan/un/u :
* ㄐ/ㄑ/ㄒ + -uan, -uan is ㄩㄢ, not ㄨㄢ
* ㄐ/ㄑ/ㄒ + -un, -un is ㄩㄣ, not ㄨㄣ
* ㄐ/ㄑ/ㄒ + -u, -u is ㄧ, not ㄨ
*/
if (!strcmp(initial, "f") || !strcmp(initial, "r") || !strcmp(initial, "v")) {
if (!strcmp(final, "j0")) {
final = "m0";
} else if (!strcmp(final, "jp")) {
final = "mp";
} else if (!strcmp(final, "j")) {
final = "m";
}
}
/* THL/MPS2 s/sh/c/ch/j :
* s- + ー/ㄩ, s- is ㄒ, not ㄙ (THL/Tongyong)
* sh- + ー/ㄩ, sh- is ㄒ, not ㄕ (MPS2)
* c- + ー/ㄩ, c- is ㄑ, not ㄘ (Tongyong)
* ch- + ㄧ/ㄩ, ch- is ㄑ, not ㄔ (THL)
* j- + other than ー/ㄩ, j- is ㄓ, not ㄐ (MPS2)
*/
if (final == strstr(final, "u") || final == strstr(final, "m")) {
if (!strcmp(initial, "n")) {
initial = "v";
} else if (!strcmp(initial, "g")) {
initial = "v";
} else if (!strcmp(initial, "h")) {
initial = "f";
} else if (!strcmp(initial, "t")) {
initial = "f";
}
} else {
if (!strcmp(initial, "r")) {
initial = "5";
}
}
/* THL supplemental set
* ㄅ/ㄆ/ㄇ/ㄈ + -ㄨㄥ, -ㄨㄥ is another reading of -ㄥ
* ㄅ/ㄆ/ㄇ/ㄈ + -ㄨㄛ, -ㄨㄛ is another reading of -ㄛ
*/
if (!strcmp(initial, "1") || !strcmp(initial, "q") || !strcmp(initial, "a") || !strcmp(initial, "z")) {
if (!strcmp(final, "ji")) {
final = "i";
} else if (!strcmp(final, "j/")) {
final = "/";
}
}
sprintf(bopomofoKeySeq, "%s%s", initial, final);
strcpy(bopomofoKeySeqAlt, bopomofoKeySeq);
return 0;
}