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