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chewingutil.c
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chewingutil.c
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/**
* chewingutil.c
*
* Copyright (c) 1999, 2000, 2001
* Lu-chuan Kung and Kang-pen Chen.
* All rights reserved.
*
* Copyright (c) 2004, 2005, 2006, 2008, 2010, 2011, 2012
* libchewing Core Team. See ChangeLog for details.
*
* See the file "COPYING" for information on usage and redistribution
* of this file.
*/
/* This file is encoded in UTF-8 */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <ctype.h>
#include <string.h>
#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
#include "chewing-utf8-util.h"
#include "global.h"
#include "global-private.h"
#include "chewingutil.h"
#include "zuin-private.h"
#include "choice-private.h"
#include "tree-private.h"
#include "userphrase-private.h"
#include "private.h"
#ifdef HAVE_ASPRINTF
#include <stdio.h>
#else
#include "plat_path.h"
#endif
extern const char *zhuin_tab[];
static void MakePreferInterval( ChewingData *pgdata );
static void ShiftInterval( ChewingOutput *pgo, ChewingData *pgdata );
static int ChewingKillSelectIntervalAcross( int cursor, ChewingData *pgdata );
static int FindSymbolKey( const char *symbol );
static const char G_EASY_SYMBOL_KEY[EASY_SYMBOL_KEY_TAB_LEN] = {
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J',
'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',
'U', 'V', 'W', 'X', 'Y', 'Z'
};
static int FindEasySymbolIndex( char ch )
{
int lo, hi, mid;
lo = 0;
hi = EASY_SYMBOL_KEY_TAB_LEN - 1;
while ( lo <= hi ) {
mid = (hi - lo) / 2 + lo;
if ( ch > G_EASY_SYMBOL_KEY[ mid ] ) {
lo = mid + 1;
continue;
}
else if ( ch < G_EASY_SYMBOL_KEY[ mid ] ) {
hi = mid - 1;
continue;
}
return mid;
}
return -1;
}
void SetUpdatePhraseMsg(
ChewingData *pgdata, char *addWordSeq,
int len, int state )
{
char *insert = "\xE5\x8A\xA0\xE5\x85\xA5\xEF\xBC\x9A";
/* 加入： */
char *modify = "\xE5\xB7\xB2\xE6\x9C\x89\xEF\xBC\x9A";
/* 已有： */
int begin = 3, i;
pgdata->showMsgLen = begin + len;
if ( state == USER_UPDATE_INSERT ) {
ueStrNCpy( (char *) pgdata->showMsg[ 0 ].s, insert, 1, 1 );
ueStrNCpy( (char *) pgdata->showMsg[ 1 ].s,
ueStrSeek( insert, 1 ),
1, 1 );
ueStrNCpy( (char *) pgdata->showMsg[ 2 ].s,
ueStrSeek( insert, 2 ),
1, 1 );
}
else {
ueStrNCpy( (char *) pgdata->showMsg[ 0 ].s, modify, 1, 1 );
ueStrNCpy( (char *) pgdata->showMsg[ 1 ].s,
ueStrSeek( modify, 1 ),
1, 1 );
ueStrNCpy( (char *) pgdata->showMsg[ 2 ].s,
ueStrSeek( modify, 2 ),
1, 1 );
}
for ( i = 0; i < len; i++ ) {
ueStrNCpy( (char *) pgdata->showMsg[ begin + i ].s,
ueStrSeek( addWordSeq, i ),
1, 1);
}
}
int NoSymbolBetween( ChewingData *pgdata, int begin, int end )
{
int i, nChi, k;
/* find the beginning index in the chiSymbolBuf */
for ( nChi = i = 0; i < pgdata->chiSymbolBufLen && nChi < begin; i++ )
/* it is Chinese word */
if ( pgdata->chiSymbolBuf[ i ].wch == 0 )
nChi++;
for ( k = i + 1; k < pgdata->chiSymbolBufLen && k <= end; k++ )
/* not a Chinese word */
if ( pgdata->chiSymbolBuf[ i ].wch != 0 )
return 0;
return 1;
}
int ChewingIsEntering( ChewingData *pgdata )
{
if ( pgdata->choiceInfo.isSymbol != WORD_CHOICE )
return 1;
return (
pgdata->chiSymbolBufLen != 0 ||
ZuinIsEntering( &( pgdata->zuinData ) ) );
}
#define CEIL_DIV(a,b) ((a + b - 1) / b)
int HaninSymbolInput( ChewingData *pgdata )
{
unsigned int i;
ChoiceInfo *pci = &( pgdata->choiceInfo );
AvailInfo *pai = &( pgdata->availInfo );
int candPerPage = pgdata->config.candPerPage;
/* No available symbol table */
if ( ! pgdata->static_data.symbol_table )
return ZUIN_ABSORB;
pci->nTotalChoice = 0;
for ( i = 0; i < pgdata->static_data.n_symbol_entry; i++ ) {
strcpy( pci->totalChoiceStr[ pci->nTotalChoice ],
pgdata->static_data.symbol_table[ i ]->category );
pci->nTotalChoice++;
}
pai->avail[ 0 ].len = 1;
pai->avail[ 0 ].id = -1;
pai->nAvail = 1;
pai->currentAvail = 0;
pci->nChoicePerPage = candPerPage;
assert( pci->nTotalChoice > 0 );
pci->nPage = CEIL_DIV( pci->nTotalChoice, pci->nChoicePerPage );
pci->pageNo = 0;
pci->isSymbol = SYMBOL_CATEGORY_CHOICE;
return ZUIN_ABSORB;
}
static int _Inner_InternalSpecialSymbol(
int key, ChewingData *pgdata,
char symkey, char *chibuf )
{
int kbtype;
if ( key == symkey && NULL != chibuf ) {
memmove(
&( pgdata->chiSymbolBuf[ pgdata->chiSymbolCursor + 1 ] ),
&( pgdata->chiSymbolBuf[ pgdata->chiSymbolCursor ] ),
sizeof( wch_t ) * ( pgdata->chiSymbolBufLen - pgdata->chiSymbolCursor ) );
pgdata->chiSymbolBuf[ pgdata->chiSymbolCursor ].wch = 0;
ueStrNCpy( (char *) pgdata->chiSymbolBuf[ pgdata->chiSymbolCursor ].s,
chibuf, 1, 1);
/* Save Symbol Key */
memmove(
&( pgdata->symbolKeyBuf[ pgdata->chiSymbolCursor + 1 ] ),
&( pgdata->symbolKeyBuf[ pgdata->chiSymbolCursor ] ),
sizeof( pgdata->symbolKeyBuf[0] ) *
( pgdata->chiSymbolBufLen - pgdata->chiSymbolCursor ) );
pgdata->symbolKeyBuf[ pgdata->chiSymbolCursor ] = key;
pgdata->bUserArrCnnct[ PhoneSeqCursor( pgdata ) ] = 0;
pgdata->chiSymbolCursor++;
pgdata->chiSymbolBufLen++;
/* reset Zuin data */
/* Don't forget the kbtype */
kbtype = pgdata->zuinData.kbtype;
memset( &( pgdata->zuinData ), 0, sizeof( ZuinData ) );
pgdata->zuinData.kbtype = kbtype;
return 1;
}
return 0;
}
static int InternalSpecialSymbol(
int key, ChewingData *pgdata,
int nSpecial, const char keybuf[], char *chibuf[] )
{
int i, rtn = ZUIN_IGNORE; /* very strange and difficult to understand */
for ( i = 0; i < nSpecial; i++ ) {
if ( 1 == _Inner_InternalSpecialSymbol( key, pgdata, keybuf[ i ], chibuf[ i ]) ) {
rtn = ZUIN_ABSORB;
break;
}
}
return rtn;
}
int SpecialSymbolInput( int key, ChewingData *pgdata )
{
static char keybuf[] = {
'[', ']', '{', '}', '\'','<', ':', '\"', '>',
'~', '!', '@', '#', '$', '%', '^', '&', '*',
'(', ')', '_', '+', '=','\\', '|', '?',
',', '.', ';'
};
static char *chibuf[] = {
"\xE3\x80\x8C", "\xE3\x80\x8D", "\xE3\x80\x8E", "\xE3\x80\x8F",
/* "「", "」", "『", "』" */
"\xE3\x80\x81", "\xEF\xBC\x8C", "\xEF\xBC\x9A", "\xEF\xBC\x9B",
/* "、", "，", "：", "；" */
"\xE3\x80\x82", "\xEF\xBD\x9E", "\xEF\xBC\x81", "\xEF\xBC\xA0",
/* "。", "～", "！", "＠" */
"\xEF\xBC\x83", "\xEF\xBC\x84", "\xEF\xBC\x85", "\xEF\xB8\xBF",
/* "＃", "＄", "％", "︿" */
"\xEF\xBC\x86", "\xEF\xBC\x8A", "\xEF\xBC\x88", "\xEF\xBC\x89",
/* "＆", "＊", "（", "）" */
"\xEF\xB9\x8D", "\xEF\xBC\x8B", "\xEF\xBC\x9D", "\xEF\xBC\xBC",
/* "﹍", "＋", "＝", "＼" */
"\xEF\xBD\x9C", "\xEF\xBC\x9F", "\xEF\xBC\x8C", "\xE3\x80\x82",
/* "｜", "？", "，", "。" */
"\xEF\xBC\x9B"
/* "；" */
};
STATIC_ASSERT( ARRAY_SIZE( keybuf ) == ARRAY_SIZE( chibuf ), update_keybuf_and_chibuf );
return InternalSpecialSymbol( key, pgdata, ARRAY_SIZE( keybuf ), keybuf, chibuf );
}
int FullShapeSymbolInput( int key, ChewingData *pgdata )
{
int rtn;
static char keybuf[] = {
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't',
'u', 'v', 'w', 'x', 'y', 'z', 'A', 'B', 'C', 'D',
'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N',
'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X',
'Y', 'Z', ' ', '\"', '\'', '/', '<', '>', '`', '[',
']', '{', '}', '+', '-'
};
static char* chibuf[] = {
"\xEF\xBC\x90","\xEF\xBC\x91","\xEF\xBC\x92","\xEF\xBC\x93",
/* "０","１","２","３" */
"\xEF\xBC\x94","\xEF\xBC\x95","\xEF\xBC\x96","\xEF\xBC\x97",
/* "４","５","６","７" */
"\xEF\xBC\x98","\xEF\xBC\x99","\xEF\xBD\x81","\xEF\xBD\x82",
/* "８","９","ａ","ｂ" */
"\xEF\xBD\x83","\xEF\xBD\x84","\xEF\xBD\x85","\xEF\xBD\x86",
/* "ｃ","ｄ","ｅ","ｆ" */
"\xEF\xBD\x87","\xEF\xBD\x88","\xEF\xBD\x89","\xEF\xBD\x8A",
/* "ｇ","ｈ","ｉ","ｊ" */
"\xEF\xBD\x8B","\xEF\xBD\x8C","\xEF\xBD\x8D","\xEF\xBD\x8E",
/* "ｋ","ｌ","ｍ","ｎ" */
"\xEF\xBD\x8F","\xEF\xBD\x90","\xEF\xBD\x91","\xEF\xBD\x92",
/* "ｏ","ｐ","ｑ","ｒ" */
"\xEF\xBD\x93","\xEF\xBD\x94","\xEF\xBD\x95","\xEF\xBD\x96",
/* "ｓ","ｔ","ｕ","ｖ" */
"\xEF\xBD\x97","\xEF\xBD\x98","\xEF\xBD\x99","\xEF\xBD\x9A",
/* "ｗ","ｘ","ｙ","ｚ" */
"\xEF\xBC\xA1","\xEF\xBC\xA2","\xEF\xBC\xA3","\xEF\xBC\xA4",
/* "Ａ","Ｂ","Ｃ","Ｄ" */
"\xEF\xBC\xA5","\xEF\xBC\xA6","\xEF\xBC\xA7","\xEF\xBC\xA8",
/* "Ｅ","Ｆ","Ｇ","Ｈ" */
"\xEF\xBC\xA9","\xEF\xBC\xAA","\xEF\xBC\xAB","\xEF\xBC\xAC",
/* "Ｉ","Ｊ","Ｋ","Ｌ" */
"\xEF\xBC\xAD","\xEF\xBC\xAE","\xEF\xBC\xAF","\xEF\xBC\xB0",
/* "Ｍ","Ｎ","Ｏ","Ｐ" */
"\xEF\xBC\xB1","\xEF\xBC\xB2","\xEF\xBC\xB3","\xEF\xBC\xB4",
/* "Ｑ","Ｒ","Ｓ","Ｔ" */
"\xEF\xBC\xB5","\xEF\xBC\xB6","\xEF\xBC\xB7","\xEF\xBC\xB8",
/* "Ｕ","Ｖ","Ｗ","Ｘ" */
"\xEF\xBC\xB9","\xEF\xBC\xBA","\xE3\x80\x80","\xE2\x80\x9D",
/* "Ｙ","Ｚ"," ","”" */
"\xE2\x80\x99","\xEF\xBC\x8F","\xEF\xBC\x9C","\xEF\xBC\x9E",
/* "’","／","＜","＞" */
"\xE2\x80\xB5","\xE3\x80\x94","\xE3\x80\x95","\xEF\xBD\x9B",
/* "‵","〔""〕","｛" */
"\xEF\xBD\x9D","\xEF\xBC\x8B","\xEF\xBC\x8D"
/* "｝","＋","－" */
};
STATIC_ASSERT( ARRAY_SIZE( keybuf ) == ARRAY_SIZE( chibuf ), update_keybuf_and_chibuf );
rtn = InternalSpecialSymbol( key, pgdata, ARRAY_SIZE( keybuf ), keybuf, chibuf );
if ( rtn == ZUIN_IGNORE )
rtn = SpecialSymbolInput( key, pgdata );
return (rtn == ZUIN_IGNORE ? SYMBOL_KEY_ERROR : SYMBOL_KEY_OK);
}
int EasySymbolInput( int key, ChewingData *pgdata )
{
int rtn, loop, _index;
char wordbuf[ 8 ];
int nSpecial = EASY_SYMBOL_KEY_TAB_LEN / sizeof( char );
_index = FindEasySymbolIndex( key );
if ( -1 != _index ) {
for ( loop = 0; loop < pgdata->static_data.g_easy_symbol_num[ _index ]; ++loop ) {
ueStrNCpy( wordbuf,
ueStrSeek( pgdata->static_data.g_easy_symbol_value[ _index ],
loop),
1, 1 );
rtn = _Inner_InternalSpecialSymbol(
key, pgdata, key, wordbuf );
}
return SYMBOL_KEY_OK;
}
rtn = InternalSpecialSymbol(
key, pgdata, nSpecial,
G_EASY_SYMBOL_KEY, pgdata->static_data.g_easy_symbol_value );
if ( rtn == ZUIN_IGNORE )
rtn = SpecialSymbolInput( key, pgdata );
return ( rtn == ZUIN_IGNORE ? SYMBOL_KEY_ERROR : SYMBOL_KEY_OK );
}
#if 0
int SpecialEtenSymbolInput( int key, ChewingData *pgdata )
{
static char keybuf[] = {
17, 23, 5, 18, 20, 25, 21, 9, 15, 16,
1, 19, 4, 6, 7, 8, 10, 11, 12, 59, 39,
26, 24, 3, 22, 2, 14, 13, 44, 46, 47
};
static char *chibuf[] = {
"\xE2\x94\x8C","\xE2\x94\xAC","\xE2\x94\x90","\xE2\x96\xA1","\xE3\x80\x88",
"\xE3\x80\x89","\xE2\x80\xA6","\xE3\x80\x81","\xE3\x80\x82","\xE2\x80\xBB",
"\xE2\x94\x9C","\xE2\x94\xBC","\xE2\x94\xA4","\xE3\x80\x90","\xE3\x80\x91",
"\xE2\x97\x87","\xE2\x97\x8B","\xE2\x80\x94","\xE2\x94\x82","\xEF\xBC\x9B",
"\xEF\xBC\x9A","\xE2\x94\x94","\xE2\x94\xB4","\xE2\x94\x98", "\xCB\x87",
"\xE3\x80\x8A", "\xE3\x80\x8B" ,"\xE2\x94\x80", "\xEF\xBC\x8C","\xEF\xBC\x8E",
"\xEF\xBC\x9F"
};
static int nSpecial = 31;
return InternalSpecialSymbol( key, pgdata, nSpecial, keybuf, chibuf );
}
#endif
int SymbolChoice( ChewingData *pgdata, int sel_i )
{
int kbtype;
int i;
int symbol_type;
int key;
if ( ! pgdata->static_data.symbol_table && pgdata->choiceInfo.isSymbol != SYMBOL_CHOICE_UPDATE )
return ZUIN_ABSORB;
if ( pgdata->choiceInfo.isSymbol == SYMBOL_CATEGORY_CHOICE &&
0 == pgdata->static_data.symbol_table[sel_i]->nSymbols )
symbol_type = SYMBOL_CHOICE_INSERT;
else
symbol_type = pgdata->choiceInfo.isSymbol;
/* level one, symbol category */
if ( symbol_type == SYMBOL_CATEGORY_CHOICE ) {
ChoiceInfo* pci = &pgdata->choiceInfo;
AvailInfo* pai = &pgdata->availInfo;
/* Display all symbols in this category */
pci->nTotalChoice = 0;
for ( i = 0; i < pgdata->static_data.symbol_table[ sel_i ]->nSymbols; i++ ) {
ueStrNCpy( pci->totalChoiceStr[ pci->nTotalChoice ],
pgdata->static_data.symbol_table[ sel_i ]->symbols[ i ], 1, 1 );
pci->nTotalChoice++;
}
pai->avail[ 0 ].len = 1;
pai->avail[ 0 ].id = -1;
pai->nAvail = 1;
pai->currentAvail = 0;
pci->nChoicePerPage = pgdata->config.candPerPage;
assert( pci->nTotalChoice > 0 );
pci->nPage = CEIL_DIV( pci->nTotalChoice, pci->nChoicePerPage );
pci->pageNo = 0;
pci->isSymbol = SYMBOL_CHOICE_INSERT;
}
else { /* level 2 symbol or OpenSymbolChoice */
/* TODO: FIXME, this part is buggy! */
if ( symbol_type == SYMBOL_CHOICE_INSERT ) {
assert( pgdata->chiSymbolCursor <= pgdata->chiSymbolBufLen );
memmove(
&( pgdata->chiSymbolBuf[ pgdata->chiSymbolCursor + 1 ] ),
&( pgdata->chiSymbolBuf[ pgdata->chiSymbolCursor ] ),
sizeof( wch_t ) * ( pgdata->chiSymbolBufLen - pgdata->chiSymbolCursor ) );
}
pgdata->chiSymbolBuf[ pgdata->chiSymbolCursor ].wch = 0;
ueStrNCpy( (char *) pgdata->chiSymbolBuf[ pgdata->chiSymbolCursor ].s,
pgdata->choiceInfo.totalChoiceStr[ sel_i ], 1, 1);
/* This is very strange */
key = FindSymbolKey( pgdata->choiceInfo.totalChoiceStr[ sel_i ] );
pgdata->symbolKeyBuf[ pgdata->chiSymbolCursor ] = key ? key : '0';
pgdata->bUserArrCnnct[ PhoneSeqCursor( pgdata ) ] = 0;
ChoiceEndChoice(pgdata);
/* Don't forget the kbtype */
kbtype = pgdata->zuinData.kbtype;
memset( &( pgdata->zuinData ), 0, sizeof( ZuinData ) );
pgdata->zuinData.kbtype = kbtype;
if ( symbol_type == 2 ) {
pgdata->chiSymbolBufLen++;
pgdata->chiSymbolCursor ++ ;
if ( ! pgdata->config.bAutoShiftCur ) {
/* No action */
}
}
else if ( symbol_type == 3 ) { /* OpenSymbolChoice */
/* No action */
}
pgdata->choiceInfo.isSymbol = WORD_CHOICE;
}
return ZUIN_ABSORB;
}
int SymbolInput( int key, ChewingData *pgdata )
{
if ( isprint( (char) key ) && /* other character was ignored */
(pgdata->chiSymbolBufLen < MAX_PHONE_SEQ_LEN) ) { /* protect the buffer */
assert( pgdata->chiSymbolCursor <= pgdata->chiSymbolBufLen );
memmove(
&( pgdata->chiSymbolBuf[ pgdata->chiSymbolCursor + 1 ] ),
&( pgdata->chiSymbolBuf[ pgdata->chiSymbolCursor ] ),
sizeof( wch_t ) * ( pgdata->chiSymbolBufLen - pgdata->chiSymbolCursor ) );
pgdata->chiSymbolBuf[ pgdata->chiSymbolCursor ].wch = 0;
pgdata->chiSymbolBuf[ pgdata->chiSymbolCursor ].s[ 0 ] = (char) key;
/* Save Symbol Key */
memmove( &( pgdata->symbolKeyBuf[ pgdata->chiSymbolCursor + 1 ] ),
&( pgdata->symbolKeyBuf[ pgdata->chiSymbolCursor ] ),
sizeof( pgdata->symbolKeyBuf[ 0 ] ) *
( pgdata->chiSymbolBufLen - pgdata->chiSymbolCursor ) );
pgdata->symbolKeyBuf[ pgdata->chiSymbolCursor ] = toupper( key );
pgdata->bUserArrCnnct[ PhoneSeqCursor( pgdata ) ] = 0;
pgdata->chiSymbolCursor++;
pgdata->chiSymbolBufLen++;
return SYMBOL_KEY_OK;
}
return SYMBOL_KEY_ERROR;
}
static int CompInterval( const IntervalType *a, const IntervalType *b )
{
int cmp = a->from - b->from;
if ( cmp )
return cmp;
return ( a->to - b->to );
}
static int FindIntervalFrom( int from, IntervalType inte[], int nInte )
{
int i;
for ( i = 0; i < nInte; i++ )
if ( inte[ i ].from == from )
return i;
return -1;
}
int WriteChiSymbolToBuf( wch_t csBuf[], int csBufLen, ChewingData *pgdata )
{
int i, phoneseq_i = 0;
for ( i = 0 ; i < csBufLen; i++ ) {
if ( ChewingIsChiAt( i, pgdata ) ) {
/*
* Workaround to avoid different initialization behavior
* among Win32 and Unix-like OSs.
*/
memset( &( csBuf[ i ].s ), 0, MAX_UTF8_SIZE + 1 );
ueStrNCpy( (char *) csBuf[ i ].s,
&( pgdata->phrOut.chiBuf[ phoneseq_i ] ),
1, 1);
phoneseq_i += ueBytesFromChar( pgdata->phrOut.chiBuf[ phoneseq_i ] );
}
else
csBuf[ i ] = pgdata->chiSymbolBuf[ i ];
}
return 0;
}
static int CountReleaseNum( ChewingData *pgdata )
{
int remain, i;
/* reserve ZUIN_SIZE positions for Zuin */
remain = pgdata->config.maxChiSymbolLen - (pgdata->chiSymbolBufLen + ZUIN_SIZE);
if ( remain > 0 )
return 0;
qsort(
pgdata->preferInterval,
pgdata->nPrefer,
sizeof( IntervalType ),
(CompFuncType) CompInterval );
if ( ! ChewingIsChiAt( 0, pgdata ) ) {
for ( i = 0; i < pgdata->chiSymbolCursor; ++i ) {
if ( ChewingIsChiAt( i, pgdata ) ) {
break;
}
}
return i;
}
i = FindIntervalFrom( 0, pgdata->preferInterval, pgdata->nPrefer );
if ( i >= 0 ) {
return ( pgdata->preferInterval[ i ].to - pgdata->preferInterval[ i ].from );
}
return 1;
}
static void KillFromLeft( ChewingData *pgdata, int nKill )
{
int i;
for ( i = 0; i < nKill; i++ )
ChewingKillChar( pgdata, 0, DECREASE_CURSOR );
}
void CleanAllBuf( ChewingData *pgdata )
{
/* 1 */
pgdata->nPhoneSeq = 0 ;
memset( pgdata->phoneSeq, 0, sizeof( pgdata->phoneSeq ) );
/* 2 */
pgdata->chiSymbolBufLen = 0;
memset( pgdata->chiSymbolBuf, 0, sizeof( pgdata->chiSymbolBuf ) );
/* 3 */
memset( pgdata->bUserArrBrkpt, 0, sizeof( pgdata->bUserArrBrkpt ) );
/* 4 */
pgdata->nSelect = 0;
/* 5 */
pgdata->chiSymbolCursor = 0;
/* 6 */
memset( pgdata->bUserArrCnnct, 0, sizeof( pgdata->bUserArrCnnct ) );
pgdata->phrOut.nNumCut = 0;
memset( pgdata->symbolKeyBuf, 0, sizeof( pgdata->symbolKeyBuf ) );
pgdata->nPrefer = 0;
}
int ReleaseChiSymbolBuf( ChewingData *pgdata, ChewingOutput *pgo )
{
int throwEnd;
uint16_t bufPhoneSeq[ MAX_PHONE_SEQ_LEN + 1 ];
char bufWordSeq[ MAX_PHONE_SEQ_LEN * MAX_UTF8_SIZE + 1 ];
throwEnd = CountReleaseNum( pgdata );
pgo->nCommitStr = throwEnd;
if ( throwEnd ) {
/*
* count how many chinese words in "chiSymbolBuf[ 0 .. (throwEnd - 1)]"
* And release from "chiSymbolBuf" && "phoneSeq"
*/
WriteChiSymbolToBuf( pgo->commitStr, throwEnd, pgdata );
/* Add to userphrase */
memcpy( bufPhoneSeq, pgdata->phoneSeq, sizeof( uint16_t ) * throwEnd );
bufPhoneSeq[ throwEnd ] = (uint16_t) 0;
ueStrNCpy( bufWordSeq, pgdata->phrOut.chiBuf, throwEnd, 1 );
UserUpdatePhrase( pgdata, bufPhoneSeq, bufWordSeq );
KillFromLeft( pgdata, throwEnd );
}
return throwEnd;
}
static int ChewingIsBreakPoint( int cursor, ChewingData *pgdata )
{
static char *break_word[] = {
"\xE6\x98\xAF", "\xE7\x9A\x84", "\xE4\xBA\x86", "\xE4\xB8\x8D",
/* 是 的 了 不 */
"\xE4\xB9\x9F", "\xE8\x80\x8C", "\xE4\xBD\xA0", "\xE6\x88\x91",
/* 也 而 你 我 */
"\xE4\xBB\x96", "\xE8\x88\x87", "\xE5\xAE\x83", "\xE5\xA5\xB9",
/* 他 與 它 她 */
"\xE5\x85\xB6", "\xE5\xB0\xB1", "\xE5\x92\x8C", "\xE6\x88\x96",
/* 其 就 和 或 */
"\xE5\x80\x91", "\xE6\x80\xA7", "\xE5\x93\xA1", "\xE5\xAD\x90",
/* 們 性 員 子 */
"\xE4\xB8\x8A", "\xE4\xB8\x8B", "\xE4\xB8\xAD", "\xE5\x85\xA7",
/* 上 下 中 內 */
"\xE5\xA4\x96", "\xE5\x8C\x96", "\xE8\x80\x85", "\xE5\xAE\xB6",
/* 外 化 者 家 */
"\xE5\x85\x92", "\xE5\xB9\xB4", "\xE6\x9C\x88", "\xE6\x97\xA5",
/* 兒 年 月 日 */
"\xE6\x99\x82", "\xE5\x88\x86", "\xE7\xA7\x92", "\xE8\xA1\x97",
/* 時 分 秒 街 */
"\xE8\xB7\xAF", "\xE6\x9D\x91",
/* 路 村 */
"\xE5\x9C\xA8",
/* 在 */
};
char buf[ MAX_UTF8_SIZE + 1 ];
int i = 0, symbols = 0;
for ( i = 0; i < cursor; i++ )
if ( ! ChewingIsChiAt ( i + symbols, pgdata ) )
symbols++;
if ( ! ChewingIsChiAt( i + symbols, pgdata ) )
return 1;
else {
ueStrNCpy( buf,
ueStrSeek( (char *) &pgdata->phrOut.chiBuf, cursor ),
1, 1 );
for ( i = 0; (size_t) i < ARRAY_SIZE( break_word ); i++ ) {
if ( ! strcmp ( buf, break_word[ i ] ) )
return 1;
}
}
return 0;
}
void AutoLearnPhrase( ChewingData *pgdata )
{
uint16_t bufPhoneSeq[ MAX_PHONE_SEQ_LEN + 1 ];
char bufWordSeq[ MAX_PHONE_SEQ_LEN * MAX_UTF8_SIZE + 1 ];
int i, from, len;
int prev_pos = 0;
int pending = 0;
for ( i = 0; i < pgdata->nPrefer; i++ ) {
from = pgdata->preferInterval[ i ].from;
len = pgdata->preferInterval[i].to - from;
if ( len == 1 && ! ChewingIsBreakPoint( from, pgdata ) ) {
memcpy( bufPhoneSeq + prev_pos, &pgdata->phoneSeq[ from ], sizeof( uint16_t ) * len );
bufPhoneSeq[ prev_pos + len ] = (uint16_t) 0;
ueStrNCpy( ueStrSeek( bufWordSeq, prev_pos ),
ueStrSeek( (char *) &pgdata->phrOut.chiBuf, from ),
len, 1);
prev_pos += len;
pending = 1;
}
else {
if ( pending ) {
UserUpdatePhrase( pgdata, bufPhoneSeq, bufWordSeq );
prev_pos = 0;
pending = 0;
}
memcpy( bufPhoneSeq, &pgdata->phoneSeq[ from ], sizeof( uint16_t ) * len );
bufPhoneSeq[ len ] = (uint16_t) 0;
ueStrNCpy( bufWordSeq,
ueStrSeek( (char *) &pgdata->phrOut.chiBuf, from ),
len, 1);
UserUpdatePhrase( pgdata, bufPhoneSeq, bufWordSeq );
}
}
if ( pending ) {
UserUpdatePhrase( pgdata, bufPhoneSeq, bufWordSeq );
prev_pos = 0;
pending = 0;
}
}
int AddChi( uint16_t phone, uint16_t phoneAlt, ChewingData *pgdata )
{
int i;
int cursor = PhoneSeqCursor( pgdata );
/* shift the selectInterval */
for ( i = 0; i < pgdata->nSelect; i++ ) {
if ( pgdata->selectInterval[ i ].from >= cursor ) {
pgdata->selectInterval[ i ].from++;
pgdata->selectInterval[ i ].to++;
}
}
/* shift the Brkpt */
memmove(
&( pgdata->bUserArrBrkpt[ cursor + 2 ] ),
&( pgdata->bUserArrBrkpt[ cursor + 1 ] ),
sizeof( int ) * ( pgdata->nPhoneSeq - cursor ) );
memmove(
&( pgdata->bUserArrCnnct[ cursor + 2 ] ),
&( pgdata->bUserArrCnnct[ cursor + 1 ] ),
sizeof( int ) * ( pgdata->nPhoneSeq - cursor ) );
/* add to phoneSeq */
memmove(
&( pgdata->phoneSeq[ cursor + 1 ] ),
&( pgdata->phoneSeq[ cursor ] ) ,
sizeof( uint16_t ) * ( pgdata->nPhoneSeq - cursor ) );
pgdata->phoneSeq[ cursor ] = phone;
memmove(
&( pgdata->phoneSeqAlt[ cursor + 1 ] ),
&( pgdata->phoneSeqAlt[ cursor ] ) ,
sizeof( uint16_t ) * ( pgdata->nPhoneSeq - cursor ) );
pgdata->phoneSeqAlt[ cursor ] = phoneAlt;
pgdata->nPhoneSeq ++;
/* add to chiSymbolBuf */
memmove(
&( pgdata->chiSymbolBuf[ pgdata->chiSymbolCursor + 1 ] ),
&( pgdata->chiSymbolBuf[ pgdata->chiSymbolCursor ] ) ,
sizeof( wch_t ) * ( pgdata->chiSymbolBufLen - pgdata->chiSymbolCursor ) );
/* "0" means Chinese word */
pgdata->chiSymbolBuf[ pgdata->chiSymbolCursor ].wch = 0;
pgdata->chiSymbolBufLen++;
pgdata->chiSymbolCursor++;
return 0;
}
#ifdef ENABLE_DEBUG
static void ShowChewingData( ChewingData *pgdata )
{
int i ;
DEBUG_OUT(
"nPhoneSeq : %d\n"
"phoneSeq : ",
pgdata->nPhoneSeq );
for ( i = 0; i < pgdata->nPhoneSeq; i++ )
DEBUG_OUT( "%hu ", pgdata->phoneSeq[ i ] );
DEBUG_OUT(
"[cursor : %d]\n"
"nSelect : %d\n"
"selectStr selectInterval\n",
PhoneSeqCursor( pgdata ),
pgdata->nSelect );
for ( i = 0; i < pgdata->nSelect; i++ ) {
DEBUG_OUT(
" %14s%4d%4d\n",
pgdata->selectStr[ i ],
pgdata->selectInterval[ i ].from,
pgdata->selectInterval[ i ].to );
}
DEBUG_OUT( "bUserArrCnnct : " );
for ( i = 0; i <= pgdata->nPhoneSeq; i++ )
DEBUG_OUT( "%d ", pgdata->bUserArrCnnct[ i ] );
DEBUG_OUT( "\n" );
DEBUG_OUT( "bUserArrBrkpt : " );
for ( i = 0; i <= pgdata->nPhoneSeq; i++ )
DEBUG_OUT( "%d ", pgdata->bUserArrBrkpt[ i ] );
DEBUG_OUT( "\n" );
DEBUG_OUT( "bArrBrkpt : " );
for ( i = 0; i <= pgdata->nPhoneSeq; i++ )
DEBUG_OUT( "%d ", pgdata->bArrBrkpt[ i ] );
DEBUG_OUT( "\n" );
DEBUG_OUT(
"bChiSym : %d , bSelect : %d\n",
pgdata->bChiSym,
pgdata->bSelect );
}
#endif
int CallPhrasing( ChewingData *pgdata )
{
/* set "bSymbolArrBrkpt" && "bArrBrkpt" */
int i, ch_count = 0;
memcpy(
pgdata->bArrBrkpt,
pgdata->bUserArrBrkpt,
(MAX_PHONE_SEQ_LEN + 1) * sizeof( int ) );
memset(
pgdata->bSymbolArrBrkpt, 0,
(MAX_PHONE_SEQ_LEN + 1) * sizeof( int ) );
for ( i = 0; i < pgdata->chiSymbolBufLen; i++ ) {
if ( ChewingIsChiAt( i, pgdata ) )
ch_count++;
else {
pgdata->bArrBrkpt[ ch_count ] = 1;
pgdata->bSymbolArrBrkpt[ ch_count ] = 1;
}
}
/* kill select interval */
for ( i = 0; i < pgdata->nPhoneSeq; i++ ) {
if ( pgdata->bArrBrkpt[ i ] ) {
ChewingKillSelectIntervalAcross( i, pgdata );
}
}
#ifdef ENABLE_DEBUG
ShowChewingData(pgdata);
#endif
/* then phrasing */
Phrasing( pgdata );
/* and then make prefer interval */
MakePreferInterval( pgdata );
return 0;
}
static void Union( int set1,int set2, int parent[] )
{
if ( set1 != set2 )
parent[ max( set1, set2 ) ] = min( set1, set2 );
}
static int SameSet( int set1,int set2, int parent[] )
{
while ( parent[ set1 ] != 0 ) {
set1 = parent[ set1 ];
}
while ( parent[ set2 ] != 0 ) {
set2 = parent[ set2 ];
}
return ( set1 == set2 );
}
/* make prefer interval from phrOut->dispInterval */
static void MakePreferInterval( ChewingData *pgdata )
{
int i, j, set_no;
int belong_set[ MAX_PHONE_SEQ_LEN + 1 ];
int parent[ MAX_PHONE_SEQ_LEN + 1 ];
memset( belong_set, 0 , sizeof( int ) * ( MAX_PHONE_SEQ_LEN + 1 ) );
memset( parent, 0, sizeof( int ) * ( MAX_PHONE_SEQ_LEN + 1 ) );
/* for each interval */
for ( i = 0; i < pgdata->phrOut.nDispInterval; i++ ) {
for (
j = pgdata->phrOut.dispInterval[ i ].from;
j < pgdata->phrOut.dispInterval[ i ].to;
j++ ) {
belong_set[ j ] = i + 1;
}
}
set_no = i + 1;
for ( i = 0; i < pgdata->nPhoneSeq; i++ )
if ( belong_set[i] == 0 )
belong_set[ i ] = set_no++;
/* for each connect point */
for ( i = 1; i < pgdata->nPhoneSeq; i++ ) {
if ( pgdata->bUserArrCnnct[ i ] ) {
Union( belong_set[ i - 1 ], belong_set[ i ], parent );
}
}
/* generate new intervals */
pgdata->nPrefer = 0;
i = 0;
while ( i < pgdata->nPhoneSeq ) {
for ( j = i + 1; j < pgdata->nPhoneSeq; j++ )
if ( ! SameSet( belong_set[ i ], belong_set[ j ], parent ) )
break;
pgdata->preferInterval[ pgdata->nPrefer ].from = i;
pgdata->preferInterval[ pgdata->nPrefer ].to = j;
pgdata->nPrefer++;
i = j;
}
}
/* for MakeOutput */
static void ShiftInterval( ChewingOutput *pgo, ChewingData *pgdata )
{
int i, arrPos[ MAX_PHONE_SEQ_LEN ], k = 0, from, len;
for ( i = 0; i < pgdata->chiSymbolBufLen; i++ ) {
if ( ChewingIsChiAt( i, pgdata ) ) {
arrPos[ k++ ] = i;
}
}
arrPos[ k ] = i;
pgo->nDispInterval = pgdata->nPrefer;
for ( i = 0; i < pgdata->nPrefer; i++ ) {
from = pgdata->preferInterval[ i ].from;
len = pgdata->preferInterval[ i ].to - from;
pgo->dispInterval[ i ].from = arrPos[ from ];
pgo->dispInterval[ i ].to = arrPos[ from ] + len;
}
}
static int MakeOutput( ChewingOutput *pgo, ChewingData *pgdata )
{
int chi_i, chiSymbol_i, i ;
/* fill zero to chiSymbolBuf first */
memset( pgo->chiSymbolBuf, 0, sizeof( wch_t ) * MAX_PHONE_SEQ_LEN );
/* fill chiSymbolBuf */
for (
chi_i = chiSymbol_i = 0;
chiSymbol_i < pgdata->chiSymbolBufLen;
chiSymbol_i ++ ) {
if ( pgdata->chiSymbolBuf[ chiSymbol_i ].wch == 0 ) {
/* is Chinese, then copy from the PhrasingOutput "phrOut" */
pgo->chiSymbolBuf[ chiSymbol_i ].wch = 0;
ueStrNCpy( (char *) pgo->chiSymbolBuf[ chiSymbol_i ].s,
&( pgdata->phrOut.chiBuf[ chi_i ] ),
1, 1 );
chi_i += ueBytesFromChar( pgo->chiSymbolBuf[ chiSymbol_i ].s[0] );
}
else {
/* is Symbol */
pgo->chiSymbolBuf[ chiSymbol_i ] = pgdata->chiSymbolBuf[ chiSymbol_i ];
}
}
/* fill point */
pgo->PointStart = pgdata->PointStart;
pgo->PointEnd = pgdata->PointEnd;
/* fill other fields */
pgo->chiSymbolBufLen = pgdata->chiSymbolBufLen;
pgo->chiSymbolCursor = pgdata->chiSymbolCursor;
/* fill zuinBuf */
if ( pgdata->zuinData.kbtype >= KB_HANYU_PINYIN ) {
char *p = pgdata->zuinData.pinYinData.keySeq;
/*
* Copy from old content in zuinBuf
* NOTE: No Unicode transformation here.
*/
for ( i = 0; i< ZUIN_SIZE; i++) {
int j;
for ( j = 0; j < 2; j++ ) {
if ( p[ 0 ] ) {
pgo->zuinBuf[ i ].s[ j ] = p[ 0 ];
p++;
}
else {
pgo->zuinBuf[ i ].s[ j ] = '\0';
}
}
pgo->zuinBuf[ i ].s[ 2 ] = '\0';
}
} else {
for ( i = 0; i < ZUIN_SIZE; i++ ) {
if ( pgdata->zuinData.pho_inx[ i ] != 0 ) {
/* Here we should use (zhuin_tab[i] + 2) to
* skip the 2 space characters at
* zhuin_tab[0] and zhuin_tab[1]. */
ueStrNCpy( (char *) pgo->zuinBuf[ i ].s,
ueStrSeek( (char *) (zhuin_tab[ i ] + 2),
pgdata->zuinData.pho_inx[ i ] - 1 ),
1, 1);
}
else
pgo->zuinBuf[ i ].wch = 0;
}
}
ShiftInterval( pgo, pgdata );
memcpy(
pgo->dispBrkpt, pgdata->bUserArrBrkpt,
sizeof( pgo->dispBrkpt[ 0 ] ) * ( MAX_PHONE_SEQ_LEN + 1 ) );
pgo->pci = &( pgdata->choiceInfo );
pgo->bChiSym = pgdata->bChiSym;
memcpy( pgo->selKey, pgdata->config.selKey, sizeof( pgdata->config.selKey ) );
pgo->bShowMsg = 0;
return 0;
}
int MakeOutputWithRtn( ChewingOutput *pgo, ChewingData *pgdata, int keystrokeRtn )
{
pgo->keystrokeRtn = keystrokeRtn;
return MakeOutput( pgo, pgdata );
}
void MakeOutputAddMsgAndCleanInterval( ChewingOutput *pgo, ChewingData *pgdata )
{
pgo->bShowMsg = 1;