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/*
* Copyright (C) 2008,2009 OMRON SOFTWARE Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "nj_lib.h"
#include "nj_err.h"
#include "nj_ext.h"
#include "nj_dic.h"
#include "njd.h"
#define DATA_SIZE (10)
#define DATA_OFFSET_FHINSI (0)
#define DATA_OFFSET_BHINSI (1)
#define DATA_OFFSET_HINDO (2)
#define DATA_OFFSET_CANDIDATE (3)
#define DATA_OFFSET_CANDIDATE_LEN (5)
#define DATA_OFFSET_YOMI (6)
#define DATA_OFFSET_YOMI_LEN (9)
#define YOMINASI_DIC_FREQ_DIV 63
#define DATA_FHINSI(x) \
( (NJ_UINT16)(0x01FF & \
(((NJ_UINT16)*((x)+DATA_OFFSET_FHINSI ) << 1) | \
( *((x)+DATA_OFFSET_FHINSI+1) >> 7))) )
#define DATA_BHINSI(x) \
( (NJ_UINT16)(0x01FF & \
(((NJ_UINT16)*((x)+DATA_OFFSET_BHINSI ) << 2) | \
( *((x)+DATA_OFFSET_BHINSI+1) >> 6))) )
#define DATA_HINDO(x) \
((NJ_HINDO)(0x003F & ((NJ_UINT16)*((x)+DATA_OFFSET_HINDO))))
#define DATA_CANDIDATE(x) \
((NJ_UINT32)(0x000FFFFF & \
(((NJ_UINT32)*((x)+DATA_OFFSET_CANDIDATE) << 12) | \
((NJ_UINT32)*((x)+DATA_OFFSET_CANDIDATE+1) << 4) | \
( *((x)+DATA_OFFSET_CANDIDATE+2) >> 4))))
#define DATA_CANDIDATE_SIZE(x) \
((NJ_UINT8)((*((x)+DATA_OFFSET_CANDIDATE_LEN) << 4) | \
(*((x)+DATA_OFFSET_CANDIDATE_LEN+1) >> 4)))
#define DATA_YOMI(x) \
((NJ_UINT32)(0x000FFFFF & \
(((NJ_UINT32)*((x)+DATA_OFFSET_YOMI) << 16) | \
((NJ_UINT32)*((x)+DATA_OFFSET_YOMI+1) << 8) | \
( *((x)+DATA_OFFSET_YOMI+2) ))))
#define DATA_YOMI_SIZE(x) \
((NJ_UINT8)((*((x)+DATA_OFFSET_YOMI_LEN))))
#define YOMI_INDX_TOP_ADDR(h) ((NJ_UINT8*)((h)+NJ_INT32_READ((h)+0x1C)))
#define YOMI_INDX_CNT(h) ((NJ_UINT16)(NJ_INT16_READ((h)+0x20)))
#define YOMI_INDX_BYTE(h) ((NJ_UINT16)(NJ_INT16_READ((h)+0x22)))
#define STEM_AREA_TOP_ADDR(h) ((NJ_UINT8*)((h)+NJ_INT32_READ((h)+0x24)))
#define STRS_AREA_TOP_ADDR(h) ((NJ_UINT8*)((h)+NJ_INT32_READ((h)+0x28)))
#define YOMI_AREA_TOP_ADDR(h) ((NJ_UINT8*)((h)+NJ_INT32_READ((h)+0x2C)))
#define NO_CONV_FLG ((NJ_UINT32) 0x00080000L)
#define HINSI_OFFSET (7)
#define CURRENT_INFO_SET (NJ_UINT8)(0x10)
static NJ_UINT16 search_data(NJ_SEARCH_CONDITION *condition, NJ_SEARCH_LOCATION_SET *loctset);
static NJ_UINT16 convert_to_yomi(NJ_DIC_HANDLE hdl, NJ_UINT8 *index, NJ_UINT16 len, NJ_CHAR *yomi, NJ_UINT16 size);
static NJ_UINT16 yomi_strcmp_forward(NJ_DIC_HANDLE hdl, NJ_UINT8 *data, NJ_CHAR *yomi);
static NJ_UINT16 search_data(NJ_SEARCH_CONDITION *condition, NJ_SEARCH_LOCATION_SET *loctset)
{
NJ_UINT32 offset;
NJ_UINT8 *data;
NJ_UINT16 i, j;
NJ_UINT16 hindo;
NJ_UINT8 hit_flg;
NJ_UINT8 *tmp_hinsi = NULL;
offset = loctset->loct.current;
data = STEM_AREA_TOP_ADDR(loctset->loct.handle) + offset;
if (GET_LOCATION_STATUS(loctset->loct.status) != NJ_ST_SEARCH_NO_INIT) {
data += DATA_SIZE;
offset += DATA_SIZE;
if (data >= STRS_AREA_TOP_ADDR(loctset->loct.handle)) {
loctset->loct.status = NJ_ST_SEARCH_END;
return 0;
}
}
tmp_hinsi = condition->hinsi.fore;
condition->hinsi.fore = condition->hinsi.yominasi_fore;
i = (STRS_AREA_TOP_ADDR(loctset->loct.handle) - data) / DATA_SIZE;
for (j = 0; j < i; j++) {
if (njd_connect_test(condition, DATA_FHINSI(data), DATA_BHINSI(data))) {
hit_flg = 0;
if (condition->operation == NJ_CUR_OP_LINK) {
hit_flg = 1;
} else {
if (yomi_strcmp_forward(loctset->loct.handle, data, condition->yomi)) {
hit_flg = 1;
}
}
if (hit_flg) {
loctset->loct.current_info = CURRENT_INFO_SET;
loctset->loct.current = offset;
loctset->loct.status = NJ_ST_SEARCH_READY;
hindo = DATA_HINDO(STEM_AREA_TOP_ADDR(loctset->loct.handle) + loctset->loct.current);
loctset->cache_freq = CALCULATE_HINDO(hindo, loctset->dic_freq.base,
loctset->dic_freq.high, YOMINASI_DIC_FREQ_DIV);
condition->hinsi.fore = tmp_hinsi;
return 1;
}
}
data += DATA_SIZE;
offset += DATA_SIZE;
}
loctset->loct.status = NJ_ST_SEARCH_END;
condition->hinsi.fore = tmp_hinsi;
return 0;
}
static NJ_UINT16 convert_to_yomi(NJ_DIC_HANDLE hdl, NJ_UINT8 *index, NJ_UINT16 len, NJ_CHAR *yomi, NJ_UINT16 size)
{
NJ_UINT8 *wkc;
NJ_CHAR *wky;
NJ_UINT16 i, idx, yib, ret;
NJ_UINT16 j, char_len;
wkc = YOMI_INDX_TOP_ADDR(hdl);
yib = YOMI_INDX_BYTE(hdl);
if (NJ_CHAR_ILLEGAL_DIC_YINDEX(yib)) {
return 0;
}
ret = 0;
wky = yomi;
for (i = 0; i < len; i++) {
idx = (NJ_UINT16)((*index - 1) * yib);
if (yib == 2) {
char_len = UTL_CHAR(wkc + idx);
if (((ret + char_len + NJ_TERM_LEN) * sizeof(NJ_CHAR)) > size) {
return (size / sizeof(NJ_CHAR));
}
for (j = 0; j < char_len; j++) {
NJ_CHAR_COPY(wky, wkc + idx + j);
wky++;
ret++;
}
} else {
if (((ret + 1 + NJ_TERM_LEN) * sizeof(NJ_CHAR)) > size) {
return (size / sizeof(NJ_CHAR));
}
*wky++ = (NJ_CHAR)(*(wkc + idx));
ret++;
}
index++;
}
*wky = NJ_CHAR_NUL;
return ret;
}
static NJ_UINT16 yomi_strcmp_forward(NJ_DIC_HANDLE hdl, NJ_UINT8 *data, NJ_CHAR *yomi)
{
NJ_UINT8 *area;
NJ_CHAR *stroke;
NJ_CHAR buf[NJ_MAX_LEN + NJ_TERM_LEN];
NJ_UINT16 ylen, dic_ylen, j, size;
size = sizeof(buf);
stroke = buf;
area = YOMI_AREA_TOP_ADDR(hdl) + DATA_YOMI(data);
if (YOMI_INDX_CNT(hdl) == 0) {
dic_ylen = DATA_YOMI_SIZE(data) / sizeof(NJ_CHAR);
if (size < ((dic_ylen + NJ_TERM_LEN) * sizeof(NJ_CHAR))) {
return 0;
}
for (j = 0; j < dic_ylen; j++) {
NJ_CHAR_COPY(stroke, area);
stroke++;
area += sizeof(NJ_CHAR);
}
*stroke = NJ_CHAR_NUL;
} else {
dic_ylen = convert_to_yomi(hdl, area, DATA_YOMI_SIZE(data), stroke, size);
if (size < ((dic_ylen + NJ_TERM_LEN) * sizeof(NJ_CHAR))) {
return 0;
}
}
ylen = nj_strlen(yomi);
if (dic_ylen < ylen) {
return 0;
}
if (nj_strncmp(yomi, buf, ylen) == 0) {
return 1;
}
return 0;
}
NJ_INT16 njd_f_search_word(NJ_SEARCH_CONDITION *con, NJ_SEARCH_LOCATION_SET *loctset)
{
NJ_UINT16 ret;
switch (con->operation) {
case NJ_CUR_OP_LINK:
if ((con->hinsi.yominasi_fore == NULL) ||
(con->hinsi.foreSize == 0)) {
loctset->loct.status = NJ_ST_SEARCH_END;
return 0;
}
break;
case NJ_CUR_OP_FORE:
if (NJ_CHAR_STRLEN_IS_0(con->yomi)) {
loctset->loct.status = NJ_ST_SEARCH_END;
return 0;
}
if ((con->hinsi.yominasi_fore == NULL) ||
(con->hinsi.foreSize == 0)) {
loctset->loct.status = NJ_ST_SEARCH_END;
return 0;
}
break;
default:
loctset->loct.status = NJ_ST_SEARCH_END;
return 0;
}
if (con->mode != NJ_CUR_MODE_FREQ) {
loctset->loct.status = NJ_ST_SEARCH_END;
return 0;
}
if ((GET_LOCATION_STATUS(loctset->loct.status) == NJ_ST_SEARCH_NO_INIT)
|| (GET_LOCATION_STATUS(loctset->loct.status) == NJ_ST_SEARCH_READY)) {
ret = search_data(con, loctset);
if (ret < 1) {
loctset->loct.status = NJ_ST_SEARCH_END;
}
return ret;
} else {
loctset->loct.status = NJ_ST_SEARCH_END;
return 0;
}
}
NJ_INT16 njd_f_get_word(NJ_SEARCH_LOCATION_SET *loctset, NJ_WORD *word)
{
NJ_UINT8 *data;
NJ_CHAR stroke[NJ_MAX_LEN + NJ_TERM_LEN];
NJ_INT16 yomilen, kouholen;
if (GET_LOCATION_STATUS(loctset->loct.status) == NJ_ST_SEARCH_END) {
return 0;
}
data = STEM_AREA_TOP_ADDR(loctset->loct.handle) + loctset->loct.current;
NJ_SET_YLEN_TO_STEM(word, 1);
word->stem.loc = loctset->loct;
yomilen = njd_f_get_stroke(word, stroke, sizeof(stroke));
if (yomilen <= 0) {
return NJ_SET_ERR_VAL(NJ_FUNC_NJD_F_GET_WORD, NJ_ERR_INVALID_RESULT);
}
word->stem.info1 = yomilen;
word->stem.info1 |= (NJ_UINT16)(DATA_FHINSI(data) << HINSI_OFFSET);
word->stem.info2 = (NJ_UINT16)(DATA_BHINSI(data) << HINSI_OFFSET);
kouholen = (NJ_UINT16)DATA_CANDIDATE_SIZE(data)/sizeof(NJ_CHAR);
if (kouholen == 0) {
kouholen = yomilen;
}
word->stem.info2 |= kouholen;
word->stem.hindo = CALCULATE_HINDO(DATA_HINDO(data), loctset->dic_freq.base,
loctset->dic_freq.high, YOMINASI_DIC_FREQ_DIV);
word->stem.type = 0;
return 1;
}
NJ_INT16 njd_f_get_stroke(NJ_WORD *word, NJ_CHAR *stroke, NJ_UINT16 size) {
NJ_SEARCH_LOCATION *loc;
NJ_UINT8 *area, *data;
NJ_UINT16 len;
NJ_UINT32 j;
if (NJ_GET_YLEN_FROM_STEM(word) == 0) {
return NJ_SET_ERR_VAL(NJ_FUNC_NJD_F_GET_STROKE, NJ_ERR_INVALID_RESULT);
}
loc = &word->stem.loc;
data = STEM_AREA_TOP_ADDR(loc->handle) + loc->current;
area = YOMI_AREA_TOP_ADDR(loc->handle) + DATA_YOMI(data);
if (YOMI_INDX_CNT(loc->handle) == 0) {
len = DATA_YOMI_SIZE(data)/sizeof(NJ_CHAR);
if (size < ((len + NJ_TERM_LEN) * sizeof(NJ_CHAR))) {
return NJ_SET_ERR_VAL(NJ_FUNC_NJD_F_GET_STROKE, NJ_ERR_BUFFER_NOT_ENOUGH);
}
for (j = 0; j < len; j++) {
NJ_CHAR_COPY(stroke, area);
stroke++;
area += sizeof(NJ_CHAR);
}
*stroke = NJ_CHAR_NUL;
} else {
len = convert_to_yomi(loc->handle, area, DATA_YOMI_SIZE(data), stroke, size);
if (size < ((len + NJ_TERM_LEN) * sizeof(NJ_CHAR))) {
return NJ_SET_ERR_VAL(NJ_FUNC_NJD_F_GET_STROKE, NJ_ERR_BUFFER_NOT_ENOUGH);
}
}
return len;
}
NJ_INT16 njd_f_get_candidate(NJ_WORD *word, NJ_CHAR *candidate, NJ_UINT16 size)
{
NJ_SEARCH_LOCATION *loc;
NJ_UINT8 *data, *area;
NJ_CHAR work[NJ_MAX_LEN + NJ_TERM_LEN];
NJ_UINT16 len, j;
loc = &word->stem.loc;
data = STEM_AREA_TOP_ADDR(loc->handle) + loc->current;
len = DATA_CANDIDATE_SIZE(data)/sizeof(NJ_CHAR);
if (size < ((len + NJ_TERM_LEN) * sizeof(NJ_CHAR))) {
return NJ_SET_ERR_VAL(NJ_FUNC_NJD_F_GET_CANDIDATE, NJ_ERR_BUFFER_NOT_ENOUGH);
}
if (len == 0) {
area = YOMI_AREA_TOP_ADDR(loc->handle) + DATA_YOMI(data);
if (YOMI_INDX_CNT(loc->handle) == 0) {
len = DATA_YOMI_SIZE(data)/sizeof(NJ_CHAR);
if (size < ((len + NJ_TERM_LEN) * sizeof(NJ_CHAR))) {
return NJ_SET_ERR_VAL(NJ_FUNC_NJD_F_GET_STROKE, NJ_ERR_BUFFER_NOT_ENOUGH);
}
for (j = 0; j < len; j++) {
NJ_CHAR_COPY(candidate + j, area);
area += sizeof(NJ_CHAR);
}
candidate[len] = NJ_CHAR_NUL;
return len;
} else {
len = convert_to_yomi(loc->handle, area, DATA_YOMI_SIZE(data), work, size);
if (size < ((len + NJ_TERM_LEN) * sizeof(NJ_CHAR))) {
return NJ_SET_ERR_VAL(NJ_FUNC_NJD_F_GET_CANDIDATE, NJ_ERR_BUFFER_NOT_ENOUGH);
}
}
if (DATA_CANDIDATE(data) & NO_CONV_FLG) {
nje_convert_hira_to_kata(work, candidate, len);
} else {
for (j = 0; j < len; j++) {
candidate[j] = work[j];
}
}
} else {
area = STRS_AREA_TOP_ADDR(loc->handle) + DATA_CANDIDATE(data);
for (j = 0; j < len; j++) {
NJ_CHAR_COPY(candidate + j, area);
area += sizeof(NJ_CHAR);
}
}
candidate[len] = NJ_CHAR_NUL;
return len;
}