Leaked source code of windows server 2003
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/*++
Copyright (c) 1995-1999 Microsoft Corporation, All Rights Reserved
Module Name:
REGWORD.C - register word into dictionary of IME
++*/
#include <windows.h>
#include <immdev.h>
#include <imedefs.h>
#include <regstr.h>
#ifdef EUDC
/**********************************************************************/
/* ImeRegsisterWord */
/* Return Value: */
/* TRUE - successful, FALSE - failure */
/**********************************************************************/
BOOL WINAPI ImeRegisterWord(
LPCTSTR lpszReading,
DWORD dwStyle,
LPCTSTR lpszString)
{
HIMCC hPrivate;
if (!lpszString || (lpszString[0] ==TEXT('\0'))) {
return (FALSE);
}
if (!lpszReading || (lpszReading[0] == TEXT('\0'))) {
return (FALSE);
}
// only handle word not string now, should consider string later?
if (*(LPCTSTR)((LPBYTE)lpszString + sizeof(WORD)) != TEXT('\0')) {
return (FALSE);
}
hPrivate = (HIMCC)ImmCreateIMCC(sizeof(PRIVCONTEXT));
if (hPrivate != (HIMCC)NULL){
StartEngine(hPrivate);
AddZCItem(hPrivate, (LPTSTR)lpszReading, (LPTSTR)lpszString);
EndEngine(hPrivate);
ImmDestroyIMCC(hPrivate);
return (TRUE);
}
else
return (FALSE);
}
/**********************************************************************/
/* ImeUnregsisterWord */
/* Return Value: */
/* TRUE - successful, FALSE - failure */
/**********************************************************************/
BOOL WINAPI ImeUnregisterWord(
LPCTSTR lpszReading,
DWORD dwStyle,
LPCTSTR lpszString)
{
BOOL fRet;
HANDLE hUsrDicMem, hUsrDicFile;
LPTSTR lpUsrDicStart, lpCurr, lpUsrDicLimit, lpUsrDic;
LPWORD lpwStart;
WORD wNum_EMB;
TCHAR szReading[MAXCODE];
int i;
fRet = FALSE;
if (!lpszString || !lpszReading) {
return (fRet);
}
if (!(dwStyle & IME_REGWORD_STYLE_EUDC)) {
return (fRet);
}
// only handle word not string now, should consider string later?
if (*(LPCTSTR)((LPBYTE)lpszString + sizeof(WORD)) != TEXT('\0')) {
return (fRet);
}
if (!MBIndex.EUDCData.szEudcDictName[0]) {
return (fRet);
}
hUsrDicFile = CreateFile(MBIndex.EUDCData.szEudcDictName,
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ|FILE_SHARE_WRITE,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
(HANDLE)NULL);
if (hUsrDicFile == INVALID_HANDLE_VALUE) {
return FALSE;
}
hUsrDicMem = CreateFileMapping(hUsrDicFile,
NULL,
PAGE_READWRITE,
0,
sizeof(EMB_Head)*MAXNUMBER_EMB+2,
MBIndex.EUDCData.szEudcMapFileName);
if (!hUsrDicMem) {
CloseHandle(hUsrDicFile);
return (fRet);
}
lpUsrDic = MapViewOfFile(hUsrDicMem, FILE_MAP_WRITE, 0, 0, 0);
if (!lpUsrDic) {
CloseHandle(hUsrDicFile);
CloseHandle(hUsrDicMem);
return (fRet);
}
lpwStart = (LPWORD)lpUsrDic;
wNum_EMB = *lpwStart;
// skip the first two bytes which contain the numeber of EMB records.
lpUsrDicStart =(LPTSTR) ( (LPBYTE)lpUsrDic + sizeof(WORD) );
lpUsrDicLimit=lpUsrDicStart+(sizeof(EMB_Head)*wNum_EMB)/sizeof(TCHAR);
for (i=0; i<MAXCODE; i++)
szReading[i] = TEXT('\0');
for (i=0; i<lstrlen(lpszReading); i++)
szReading[i] = lpszReading[i];
for (lpCurr = lpUsrDicStart; lpCurr < lpUsrDicLimit;
lpCurr += sizeof(EMB_Head) / sizeof(TCHAR) ) {
EMB_Head *lpEMB_Head;
lpEMB_Head = (EMB_Head *)lpCurr;
// find the internal code, if this record contains a phrase, skip it.
if ( lpEMB_Head->C_Char[sizeof(WORD)/sizeof(TCHAR)] != TEXT('\0') )
continue;
if (memcmp((LPBYTE)lpszString, (LPBYTE)(lpEMB_Head->C_Char), 2) != 0)
continue;
if (memcmp((LPBYTE)szReading,(LPBYTE)(lpEMB_Head->W_Code),
MAXCODE*sizeof(TCHAR) ) == 0 )
break;
}
if (lpCurr < lpUsrDicLimit) {
// we found a record matching the requested lpszReading and lpszString
LPTSTR lpCurrNext;
wNum_EMB --;
*lpwStart = wNum_EMB;
lpCurrNext = lpCurr + sizeof(EMB_Head)/sizeof(TCHAR);
// move every next EMB record ahead.
while (lpCurrNext < lpUsrDicLimit) {
for (i=0; i<sizeof(EMB_Head)/sizeof(TCHAR); i++)
*lpCurr++ = *lpCurrNext++;
}
// put zero to the last EMB record.
for (i=0; i<sizeof(EMB_Head)/sizeof(TCHAR); i++)
*lpCurr++ = TEXT('\0');
}
UnmapViewOfFile(lpUsrDic);
CloseHandle(hUsrDicMem);
CloseHandle(hUsrDicFile);
return (TRUE);
}
/**********************************************************************/
/* ImeGetRegsisterWordStyle */
/* Return Value: */
/* number of styles copied/required */
/**********************************************************************/
UINT WINAPI ImeGetRegisterWordStyle(
UINT nItem,
LPSTYLEBUF lpStyleBuf)
{
if (!nItem) {
return (1);
}
// invalid case
if (!lpStyleBuf) {
return (0);
}
lpStyleBuf->dwStyle = IME_REGWORD_STYLE_EUDC;
LoadString(hInst, IDS_EUDC, lpStyleBuf->szDescription,
sizeof(lpStyleBuf->szDescription)/sizeof(TCHAR));
return (1);
}
/**********************************************************************/
/* ImeEnumRegisterWord */
/* Return Value: */
/* the last value return by the callback function */
/**********************************************************************/
UINT WINAPI ImeEnumRegisterWord(
REGISTERWORDENUMPROC lpfnRegisterWordEnumProc,
LPCTSTR lpszReading,
DWORD dwStyle,
LPCTSTR lpszString,
LPVOID lpData)
{
HANDLE hUsrDicMem;
HANDLE hUsrDicFile;
LPTSTR lpUsrDicStart, lpCurr, lpUsrDicLimit, lpUsrDic;
UINT uRet;
int i;
LPWORD lpwStart;
WORD wNum_EMB;
TCHAR szReading[MAXCODE];
TCHAR szString[MAXINPUTWORD];
uRet = 0;
if (dwStyle != IME_REGWORD_STYLE_EUDC) {
return (uRet);
}
if (lpszString && (*(LPCTSTR)((LPBYTE)lpszString+sizeof(WORD))!=TEXT('\0')) )
return (uRet);
if (!MBIndex.EUDCData.szEudcDictName[0]) {
return (uRet);
}
hUsrDicFile = CreateFile(MBIndex.EUDCData.szEudcDictName,
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ|FILE_SHARE_WRITE,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
(HANDLE)NULL);
if (hUsrDicFile == INVALID_HANDLE_VALUE) {
return (uRet);
}
hUsrDicMem = CreateFileMapping(hUsrDicFile,
NULL,
PAGE_READWRITE,
0,
sizeof(EMB_Head)*MAXNUMBER_EMB+2,
MBIndex.EUDCData.szEudcMapFileName);
if (!hUsrDicMem) {
CloseHandle(hUsrDicFile);
return (uRet);
}
lpUsrDic = MapViewOfFile(hUsrDicMem, FILE_MAP_WRITE, 0, 0, 0);
if (!lpUsrDic) {
CloseHandle(hUsrDicMem);
CloseHandle(hUsrDicFile);
return (uRet);
}
lpwStart = (LPWORD)lpUsrDic;
wNum_EMB = *lpwStart;
lpUsrDicStart = (LPTSTR)( (LPBYTE)lpUsrDic + sizeof(WORD) );
lpUsrDicLimit = lpUsrDicStart+(sizeof(EMB_Head)*wNum_EMB)/sizeof(TCHAR);
for (i=0; i<MAXCODE; i++)
szReading[i] = TEXT('\0');
for (i=0; i<MAXINPUTWORD; i++)
szString[i] = TEXT('\0');
if ( lpszReading )
for (i=0; i<lstrlen(lpszReading); i++)
szReading[i] = lpszReading[i];
if ( lpszString )
for (i=0; i<lstrlen(lpszString); i++)
szString[i]=lpszString[i];
for (lpCurr = lpUsrDicStart; lpCurr < lpUsrDicLimit;
lpCurr += (sizeof(EMB_Head)*wNum_EMB)/sizeof(TCHAR)) {
TCHAR szBufReading[MAXCODE];
TCHAR szBufString[MAXINPUTWORD];
EMB_Head *lpEMB_Head;
BOOL fMatched;
lpEMB_Head = (EMB_Head *)lpCurr;
for ( i=0; i<MAXCODE; i++)
szBufReading[i] = lpEMB_Head->W_Code[i];
for ( i=0; i<MAXINPUTWORD; i++)
szBufString[i] = lpEMB_Head->C_Char[i];
// Because here we handle only EUDC chars, if it is a phrase,
// just skip it.
fMatched = FALSE;
if ( szBufString[sizeof(WORD)/sizeof(TCHAR)] != TEXT('\0') )
continue;
if ( !lpszReading && !lpszString) {
fMatched = TRUE;
}
else {
// if lpszReading is NULL, enumerate all availible reading strings
// matching with the specified lpszString
if ( !lpszReading) {
if (memcmp((LPBYTE)szBufString,(LPBYTE)szString, 2) ==0) {
fMatched = TRUE;
}
}
if ( !lpszString ) {
if (memcmp((LPBYTE)szBufReading, (LPBYTE)szReading,
MAXCODE*sizeof(TCHAR) ) == 0 ) {
fMatched = TRUE;
}
}
if ( lpszReading && lpszString) {
if ( (memcmp((LPBYTE)szBufString,(LPBYTE)szString, 2) ==0) &&
(memcmp((LPBYTE)szBufReading, (LPBYTE)szReading,
MAXCODE*sizeof(TCHAR) ) == 0 ) ) {
fMatched = TRUE;
}
}
}
if ( fMatched == TRUE ) {
uRet=(*lpfnRegisterWordEnumProc)((const unsigned short *)szBufReading,
IME_REGWORD_STYLE_EUDC,
(const unsigned short *)szBufString,
lpData);
if (!uRet) break;
}
}
UnmapViewOfFile(lpUsrDic);
CloseHandle(hUsrDicMem);
CloseHandle(hUsrDicFile);
return (uRet);
}
#else
/**********************************************************************/
/* ImeRegsisterWord */
/* Return Value: */
/* TRUE - successful, FALSE - failure */
/**********************************************************************/
BOOL WINAPI ImeRegisterWord(
LPCTSTR lpszReading,
DWORD dwStyle,
LPCTSTR lpszString)
{
return (FALSE);
}
/**********************************************************************/
/* ImeUnregsisterWord */
/* Return Value: */
/* TRUE - successful, FALSE - failure */
/**********************************************************************/
BOOL WINAPI ImeUnregisterWord(
LPCTSTR lpszReading,
DWORD dwStyle,
LPCTSTR lpszString)
{
return (FALSE);
}
/**********************************************************************/
/* ImeGetRegsisterWordStyle */
/* Return Value: */
/* number of styles copied/required */
/**********************************************************************/
UINT WINAPI ImeGetRegisterWordStyle(
UINT nItem,
LPSTYLEBUF lpStyleBuf)
{
return (FALSE);
}
/**********************************************************************/
/* ImeEnumRegisterWord */
/* Return Value: */
/* the last value return by the callback function */
/**********************************************************************/
UINT WINAPI ImeEnumRegisterWord(
REGISTERWORDENUMPROC lpfnRegisterWordEnumProc,
LPCTSTR lpszReading,
DWORD dwStyle,
LPCTSTR lpszString,
LPVOID lpData)
{
return (FALSE);
}
#endif //EUDC