634 lines
16 KiB
C
634 lines
16 KiB
C
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/*++
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Copyright (c) 1990-1999 Microsoft Corporation, All Rights Reserved
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Module Name:
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CONVLIST.c
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++*/
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#include <windows.h>
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#include <immdev.h>
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#include "imeattr.h"
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#include "imedefs.h"
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#if defined(UNIIME)
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#include "uniime.h"
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#endif
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#if !defined(ROMANIME)
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/**********************************************************************/
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/* Conversion() */
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/**********************************************************************/
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DWORD PASCAL Conversion(
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#if defined(UNIIME)
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LPINSTDATAL lpInstL,
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LPIMEL lpImeL,
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#endif
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LPCTSTR lpszReading,
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LPCANDIDATELIST lpCandList,
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DWORD dwBufLen)
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{
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UINT uMaxCand;
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DWORD dwSize = // similar to ClearCand
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// header length
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sizeof(CANDIDATELIST) +
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// candidate string pointers
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sizeof(DWORD) * MAXCAND +
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// string plus NULL terminator
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(sizeof(WCHAR) + sizeof(TCHAR)) * MAXCAND;
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DWORD dwPattern;
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PRIVCONTEXT ImcP;
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#if !defined(WINIME) && !defined(UNICDIME)
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BOOL fNeedUnload;
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#endif
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if (!dwBufLen) {
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return (dwSize);
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}
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uMaxCand = dwBufLen - sizeof(CANDIDATELIST);
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uMaxCand /= sizeof(DWORD) + sizeof(WCHAR) + sizeof(TCHAR);
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if (!uMaxCand) {
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// can not even put one string
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return (0);
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}
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lpCandList->dwSize = dwSize;
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lpCandList->dwStyle = IME_CAND_READ; // candidate having same reading
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lpCandList->dwCount = 0;
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lpCandList->dwSelection = 0;
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lpCandList->dwPageStart = 0;
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lpCandList->dwPageSize = CANDPERPAGE;
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lpCandList->dwOffset[0] = sizeof(CANDIDATELIST) + sizeof(DWORD) *
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(uMaxCand - 1);
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dwPattern = ReadingToPattern(
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#if defined(UNIIME)
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lpImeL,
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#endif
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lpszReading, ImcP.bSeq, TRUE);
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if (!dwPattern) {
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return (0);
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}
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#if !defined(WINIME) && !defined(UNICDIME)
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if (lpInstL->fdwTblLoad == TBL_LOADED) {
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fNeedUnload = FALSE;
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} else if (lpInstL->fdwTblLoad == TBL_NOTLOADED) {
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LoadTable(lpInstL, lpImeL);
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fNeedUnload = TRUE;
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} else {
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return (0);
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}
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#endif
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if (!ConvertSeqCode2Pattern(
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#if defined(UNIIME)
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lpImeL,
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#endif
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ImcP.bSeq, &ImcP)) {
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return (0);
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}
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SearchTbl(
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#if defined(UNIIME)
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lpImeL,
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#endif
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0, lpCandList, &ImcP);
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#if defined(WINAR30)
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if (!lpCandList->dwCount) {
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SearchTbl(3, lpCandList, &ImcP);
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}
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#endif
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#if !defined(WINIME) && !defined(UNICDIME)
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if (lpInstL->hUsrDicMem) {
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SearchUsrDic(
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#if defined(UNIIME)
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lpImeL,
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#endif
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lpCandList, &ImcP);
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}
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if (fNeedUnload) {
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FreeTable(lpInstL);
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}
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#endif
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return (dwSize);
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}
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/**********************************************************************/
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/* SearchOffset() */
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/* Return Value : */
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/* the offset in table file which include this uOffset */
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/**********************************************************************/
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UINT PASCAL SearchOffset(
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LPBYTE lpTbl,
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UINT uTblSize,
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UINT uOffset)
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{
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int iLo, iMid, iHi;
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LPWORD lpwPtr;
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iLo = 0;
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iHi = uTblSize / sizeof(WORD);
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iMid = (iLo + iHi) / 2;
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// binary search
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for (; iLo <= iHi; ) {
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lpwPtr = (LPWORD)lpTbl + iMid;
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if (uOffset > *lpwPtr) {
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iLo = iMid + 1;
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} else if (uOffset < *lpwPtr) {
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iHi = iMid - 1;
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} else {
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break;
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}
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iMid = (iLo + iHi) / 2;
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}
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if (iMid > 0) {
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iLo = iMid - 1;
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} else {
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iLo = 0;
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}
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iHi = uTblSize / sizeof(WORD);
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lpwPtr = (LPWORD)lpTbl + iLo;
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for (; iLo < iHi; iLo++, lpwPtr++) {
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if (*lpwPtr > uOffset) {
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return (iLo - 1);
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}
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}
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return (0);
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}
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/**********************************************************************/
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/* ReverseConversion() */
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/**********************************************************************/
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#if defined(PHON)
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typedef struct {
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BYTE szTmpBuf[sizeof(WORD) * 4 + sizeof(TCHAR)];
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} PHONREVERSEBUF;
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typedef PHONREVERSEBUF FAR *LPPHONREVERSEBUF;
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#endif
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DWORD PASCAL ReverseConversion(
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#if defined(UNIIME)
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LPINSTDATAL lpInstL,
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LPIMEL lpImeL,
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#endif
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UINT uCode,
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LPCANDIDATELIST lpCandList,
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DWORD dwBufLen)
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{
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UINT uMaxCand;
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DWORD dwSize = // similar to ClearCand
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// header length
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sizeof(CANDIDATELIST) +
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// candidate string pointers
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sizeof(DWORD) * MAX_COMP +
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// string plus NULL terminator
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#if defined(QUICK)
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(sizeof(WCHAR) * 2 + sizeof(TCHAR)) * MAX_COMP;
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#elif defined(WINIME) || defined(UNICDIME)
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(sizeof(WCHAR) * lpImeL->nMaxKey + sizeof(TCHAR));
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#else
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(sizeof(WCHAR) * lpImeL->nMaxKey + sizeof(TCHAR)) * MAX_COMP;
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#endif
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#if defined(WINIME) || defined(UNICDIME)
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UINT uTmpCode;
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int i;
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#else
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BOOL fNeedUnload;
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HANDLE hTbl;
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LPBYTE lpTbl, lpStart, lpEnd;
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#endif
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#if defined(CHAJEI) || defined(PHON) || defined(QUICK)
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HANDLE hTbl0;
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LPBYTE lpTbl0;
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#endif
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#if defined(CHAJEI) || defined(PHON)
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HANDLE hTbl1;
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LPBYTE lpTbl1;
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#endif
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if (!dwBufLen) {
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return (dwSize);
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}
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uMaxCand = dwBufLen - sizeof(CANDIDATELIST);
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#if defined(QUICK)
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uMaxCand /= sizeof(DWORD) +
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(sizeof(WCHAR) * 2 + sizeof(TCHAR));
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#else
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uMaxCand /= sizeof(DWORD) +
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(sizeof(WCHAR) * lpImeL->nMaxKey + sizeof(TCHAR));
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#endif
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if (uMaxCand == 0) {
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// can not put one string
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return (0);
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}
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lpCandList->dwSize = sizeof(CANDIDATELIST) +
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sizeof(DWORD) * uMaxCand +
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#if defined(QUICK)
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(sizeof(WCHAR) * 2 + sizeof(TCHAR)) * uMaxCand;
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#elif defined(WINIME) || defined(UNICDIME)
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(sizeof(WCHAR) * lpImeL->nMaxKey + sizeof(TCHAR));
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#else
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(sizeof(WCHAR) * lpImeL->nMaxKey + sizeof(TCHAR)) * uMaxCand;
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#endif
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lpCandList->dwStyle = IME_CAND_READ;
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lpCandList->dwCount = 0;
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lpCandList->dwSelection = 0;
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lpCandList->dwPageSize = CANDPERPAGE;
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lpCandList->dwOffset[0] = sizeof(CANDIDATELIST) + sizeof(DWORD) *
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(uMaxCand - 1);
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#if defined(WINIME) || defined(UNICDIME)
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#if defined(WINIME) && defined(UNICODE)
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{
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int iChars;
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CHAR szCode[4];
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iChars = WideCharToMultiByte(sImeG.uAnsiCodePage, WC_COMPOSITECHECK,
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(LPCWSTR)&uCode, 1, szCode, sizeof(szCode), NULL, NULL);
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if (iChars >= 2) {
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uTmpCode = ((UINT)(BYTE)szCode[0] << 8) | (BYTE)szCode[1];
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} else {
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uTmpCode = (BYTE)szCode[0];
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}
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if (uCode == 0x003F) {
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} else if (uTmpCode == 0x003F) {
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// no cooresponding BIG5 code
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return (0);
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} else {
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}
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uCode = uTmpCode;
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}
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#endif
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uTmpCode = uCode;
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for (i = lpImeL->nMaxKey - 1; i >= 0; i--) {
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UINT uCompChar;
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uCompChar = lpImeL->wSeq2CompTbl[(uTmpCode & 0xF) + 1];
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*(LPWSTR)((LPBYTE)lpCandList + lpCandList->dwOffset[
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lpCandList->dwCount] + sizeof(WCHAR) * i) = (WCHAR)uCompChar;
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uTmpCode >>= 4;
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}
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// null terminator
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*(LPTSTR)((LPBYTE)lpCandList + lpCandList->dwOffset[
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lpCandList->dwCount] + sizeof(WCHAR) * lpImeL->nMaxKey) = '\0';
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// string count ++
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lpCandList->dwCount++;
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#else
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if (lpInstL->fdwTblLoad == TBL_LOADED) {
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fNeedUnload = FALSE;
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} else if (lpInstL->fdwTblLoad == TBL_NOTLOADED) {
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LoadTable(lpInstL, lpImeL);
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fNeedUnload = TRUE;
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} else {
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return (0);
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}
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#if defined(CHAJEI) || defined(PHON) || defined(QUICK)
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hTbl = OpenFileMapping(FILE_MAP_READ, FALSE, lpImeL->szTblFile[2]);
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#else
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hTbl = OpenFileMapping(FILE_MAP_READ, FALSE, lpImeL->szTblFile[0]);
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#endif
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if (!hTbl) {
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return (0);
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}
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lpTbl = MapViewOfFile(hTbl, FILE_MAP_READ, 0, 0, 0);
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if (!lpTbl) {
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dwSize = 0;
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goto RevConvCloseCodeTbl;
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}
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#if defined(CHAJEI) || defined(PHON) || defined(QUICK)
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hTbl0 = OpenFileMapping(FILE_MAP_READ, FALSE, lpImeL->szTblFile[0]);
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if (!hTbl0) {
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dwSize = 0;
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goto RevConvUnmapCodeTbl;
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}
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lpTbl0 = MapViewOfFile(hTbl0, FILE_MAP_READ, 0, 0, 0);
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if (!lpTbl0) {
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dwSize = 0;
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goto RevConvCloseTbl0;
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}
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#endif
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#if defined(CHAJEI) || defined(PHON)
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hTbl1 = OpenFileMapping(FILE_MAP_READ, FALSE, lpImeL->szTblFile[1]);
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if (!hTbl1) {
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dwSize = 0;
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goto RevConvUnmapTbl0;
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}
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lpTbl1 = MapViewOfFile(hTbl1, FILE_MAP_READ, 0, 0, 0);
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if (!lpTbl1) {
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dwSize = 0;
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goto RevConvCloseTbl1;
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}
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#endif
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#if defined(CHAJEI) || defined(PHON) || defined(QUICK)
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lpStart = lpTbl;
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lpEnd = lpTbl + lpImeL->uTblSize[2];
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#else
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lpStart = lpTbl + lpImeL->nSeqBytes;
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lpEnd = lpTbl + lpImeL->uTblSize[0];
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#endif
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#if defined(CHAJEI) || defined(PHON) || defined(QUICK)
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for (; lpStart < lpEnd; lpStart += sizeof(WORD)) {
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#else
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for (; lpStart < lpEnd; lpStart += lpImeL->nSeqBytes + sizeof(WORD)) {
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#endif
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DWORD dwPattern;
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int i;
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#if defined(CHAJEI) || defined(PHON) || defined(QUICK)
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UINT uOffset;
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#endif
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#if defined(CHAJEI) || defined(QUICK)
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DWORD dwSeqA1, dwSeqA5;
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#endif
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#if defined(PHON)
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UINT uPhoneticCode;
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#endif
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#if defined(PHON)
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uPhoneticCode = *(LPUNAWORD)lpStart;
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#ifdef UNICODE
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|
|
if (IsValidCode(uPhoneticCode)) {
|
||
|
|
if (uPhoneticCode != uCode) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if (InverseEncode(uPhoneticCode) != uCode) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
if ((uPhoneticCode | 0x8000) != uCode) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
#else
|
||
|
|
if (*(LPUNAWORD)lpStart != uCode) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
// find the code
|
||
|
|
#if defined(CHAJEI) || defined(QUICK)
|
||
|
|
uOffset = SearchOffset(lpTbl0, lpImeL->uTblSize[0],
|
||
|
|
(UINT)(lpStart - lpTbl) / sizeof(WORD));
|
||
|
|
dwSeqA1 = uOffset / 27; // seq code of A1
|
||
|
|
dwSeqA5 = uOffset % 27; // seq code of A5
|
||
|
|
#endif
|
||
|
|
#if defined(PHON)
|
||
|
|
uOffset = SearchOffset(lpTbl1, lpImeL->uTblSize[1],
|
||
|
|
(UINT)(lpStart - lpTbl) / sizeof(WORD));
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined(CHAJEI)
|
||
|
|
// pattern of A234
|
||
|
|
dwPattern = *(LPWORD)(lpTbl1 + (lpStart - lpTbl)) << lpImeL->nSeqBits;
|
||
|
|
// sequence code of A1
|
||
|
|
dwPattern |= dwSeqA1 << (lpImeL->nSeqBits * 4);
|
||
|
|
// test if 0 for A234 pattern
|
||
|
|
dwSeqA1 = lpImeL->dwSeqMask << (lpImeL->nSeqBits * 3);
|
||
|
|
|
||
|
|
// sequence code of A5
|
||
|
|
for (i = 1; i < lpImeL->nMaxKey; i++) {
|
||
|
|
if (!(dwPattern & dwSeqA1)) {
|
||
|
|
dwPattern |= dwSeqA5 <<
|
||
|
|
(lpImeL->nSeqBits * (lpImeL->nMaxKey - i - 1));
|
||
|
|
break;
|
||
|
|
} else {
|
||
|
|
dwSeqA1 >>= lpImeL->nSeqBits;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#elif defined(PHON)
|
||
|
|
dwPattern = *(LPUNADWORD)(lpTbl0 + uOffset * lpImeL->nSeqBytes) &
|
||
|
|
lpImeL->dwPatternMask;
|
||
|
|
#elif defined(QUICK)
|
||
|
|
dwPattern = (DWORD)dwSeqA1 << lpImeL->nSeqBits;
|
||
|
|
dwPattern |= dwSeqA5;
|
||
|
|
#else
|
||
|
|
dwPattern = *(LPUNADWORD)(lpStart - lpImeL->nSeqBytes) &
|
||
|
|
lpImeL->dwPatternMask;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined(QUICK)
|
||
|
|
for (i = 2 - 1; i >= 0; i--) {
|
||
|
|
#else
|
||
|
|
for (i = lpImeL->nMaxKey - 1; i >= 0; i--) {
|
||
|
|
#endif
|
||
|
|
WORD wCompChar;
|
||
|
|
|
||
|
|
wCompChar = lpImeL->wSeq2CompTbl[dwPattern & lpImeL->dwSeqMask];
|
||
|
|
|
||
|
|
*(LPUNAWORD)((LPBYTE)lpCandList + lpCandList->dwOffset[
|
||
|
|
lpCandList->dwCount] + sizeof(WORD) * i) = wCompChar;
|
||
|
|
|
||
|
|
dwPattern >>= lpImeL->nSeqBits;
|
||
|
|
}
|
||
|
|
|
||
|
|
// null terminator
|
||
|
|
#if defined(QUICK)
|
||
|
|
*(LPTSTR)((LPBYTE)lpCandList + lpCandList->dwOffset[
|
||
|
|
lpCandList->dwCount] + sizeof(WCHAR) * 2) = '\0';
|
||
|
|
#else
|
||
|
|
*(LPTSTR)((LPBYTE)lpCandList + lpCandList->dwOffset[
|
||
|
|
lpCandList->dwCount] + sizeof(WCHAR) * lpImeL->nMaxKey) = '\0';
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined(PHON)
|
||
|
|
if (!lpCandList->dwCount) {
|
||
|
|
#ifdef UNICODE
|
||
|
|
} else if (IsValidCode(uPhoneticCode)) {
|
||
|
|
#else
|
||
|
|
} else if (uPhoneticCode & 0x8000) {
|
||
|
|
#endif
|
||
|
|
PHONREVERSEBUF phTmpBuf;
|
||
|
|
|
||
|
|
phTmpBuf = *(LPPHONREVERSEBUF)((LPBYTE)
|
||
|
|
lpCandList + lpCandList->dwOffset[lpCandList->dwCount]);
|
||
|
|
|
||
|
|
*(LPPHONREVERSEBUF)((LPBYTE)lpCandList +
|
||
|
|
lpCandList->dwOffset[lpCandList->dwCount]) =
|
||
|
|
*(LPPHONREVERSEBUF)((LPBYTE)lpCandList +
|
||
|
|
lpCandList->dwOffset[0]);
|
||
|
|
|
||
|
|
*(LPPHONREVERSEBUF)((LPBYTE)lpCandList +
|
||
|
|
lpCandList->dwOffset[0]) = phTmpBuf;
|
||
|
|
} else {
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
// string count ++
|
||
|
|
lpCandList->dwCount++;
|
||
|
|
|
||
|
|
#if defined(CHAJEI) || defined(WINAR30) || defined(DAYI)
|
||
|
|
// do not need to search more canidate
|
||
|
|
break;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
if (lpCandList->dwCount >= (DWORD)uMaxCand) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
#if defined(QUICK)
|
||
|
|
lpCandList->dwOffset[lpCandList->dwCount] =
|
||
|
|
lpCandList->dwOffset[lpCandList->dwCount - 1] +
|
||
|
|
sizeof(WCHAR) * 2 + sizeof(TCHAR);
|
||
|
|
#else
|
||
|
|
lpCandList->dwOffset[lpCandList->dwCount] =
|
||
|
|
lpCandList->dwOffset[lpCandList->dwCount - 1] +
|
||
|
|
sizeof(WCHAR) * lpImeL->nMaxKey + sizeof(TCHAR);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!lpCandList->dwCount) {
|
||
|
|
dwSize = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
#if defined(CHAJEI) || defined(PHON)
|
||
|
|
UnmapViewOfFile(lpTbl1);
|
||
|
|
|
||
|
|
RevConvCloseTbl1:
|
||
|
|
CloseHandle(hTbl1);
|
||
|
|
|
||
|
|
RevConvUnmapTbl0:
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined(CHAJEI) || defined(PHON) || defined(QUICK)
|
||
|
|
UnmapViewOfFile(lpTbl0);
|
||
|
|
|
||
|
|
RevConvCloseTbl0:
|
||
|
|
CloseHandle(hTbl0);
|
||
|
|
|
||
|
|
RevConvUnmapCodeTbl:
|
||
|
|
#endif
|
||
|
|
|
||
|
|
UnmapViewOfFile(lpTbl);
|
||
|
|
|
||
|
|
RevConvCloseCodeTbl:
|
||
|
|
CloseHandle(hTbl);
|
||
|
|
|
||
|
|
if (fNeedUnload) {
|
||
|
|
FreeTable(lpInstL);
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
return (dwSize);
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/**********************************************************************/
|
||
|
|
/* ImeConversionList() / UniImeConversionList() */
|
||
|
|
/**********************************************************************/
|
||
|
|
#if defined(UNIIME)
|
||
|
|
DWORD WINAPI UniImeConversionList(
|
||
|
|
LPINSTDATAL lpInstL,
|
||
|
|
LPIMEL lpImeL,
|
||
|
|
#else
|
||
|
|
DWORD WINAPI ImeConversionList(
|
||
|
|
#endif
|
||
|
|
HIMC hIMC,
|
||
|
|
LPCTSTR lpszSrc,
|
||
|
|
LPCANDIDATELIST lpCandList,
|
||
|
|
DWORD dwBufLen,
|
||
|
|
UINT uFlag)
|
||
|
|
{
|
||
|
|
#if defined(ROMANIME)
|
||
|
|
return (0);
|
||
|
|
#else
|
||
|
|
UINT uCode;
|
||
|
|
|
||
|
|
if (!dwBufLen) {
|
||
|
|
} else if (!lpszSrc) {
|
||
|
|
return (0);
|
||
|
|
} else if (!*lpszSrc) {
|
||
|
|
return (0);
|
||
|
|
} else if (!lpCandList) {
|
||
|
|
return (0);
|
||
|
|
} else if (dwBufLen <= sizeof(CANDIDATELIST)) {
|
||
|
|
// buffer size can not even put the header information
|
||
|
|
return (0);
|
||
|
|
} else {
|
||
|
|
}
|
||
|
|
|
||
|
|
switch (uFlag) {
|
||
|
|
case GCL_CONVERSION:
|
||
|
|
return Conversion(
|
||
|
|
#if defined(UNIIME)
|
||
|
|
lpInstL, lpImeL,
|
||
|
|
#endif
|
||
|
|
lpszSrc, lpCandList, dwBufLen);
|
||
|
|
break;
|
||
|
|
case GCL_REVERSECONVERSION:
|
||
|
|
if (!dwBufLen) {
|
||
|
|
return ReverseConversion(
|
||
|
|
#if defined(UNIIME)
|
||
|
|
lpInstL, lpImeL,
|
||
|
|
#endif
|
||
|
|
0, lpCandList, dwBufLen);
|
||
|
|
}
|
||
|
|
|
||
|
|
// only support one DBCS char reverse conversion
|
||
|
|
if (*(LPTSTR)((LPBYTE)lpszSrc + sizeof(WORD)) != '\0') {
|
||
|
|
return (0);
|
||
|
|
}
|
||
|
|
|
||
|
|
uCode = *(LPUNAWORD)lpszSrc;
|
||
|
|
|
||
|
|
#ifndef UNICODE
|
||
|
|
// swap lead byte & second byte, UNICODE don't need it
|
||
|
|
uCode = HIBYTE(uCode) | (LOBYTE(uCode) << 8);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
return ReverseConversion(
|
||
|
|
#if defined(UNIIME)
|
||
|
|
lpInstL, lpImeL,
|
||
|
|
#endif
|
||
|
|
uCode, lpCandList, dwBufLen);
|
||
|
|
break;
|
||
|
|
case GCL_REVERSE_LENGTH:
|
||
|
|
return sizeof(WCHAR);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
return (0);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
}
|