DictComp.cpp
资源名称:COM 原理与应用.rar [点击查看]
上传用户:biuytresa
上传日期:2007-12-07
资源大小:721k
文件大小:7k
源码类别:
DNA
开发平台:
Visual C++
- // DictComp.cpp : Defines the entry point for the DLL application.
- //
- #include "stdafx.h"
- #include "DictComp.h"
- #include <comutil.h>
- #include <stdio.h>
- BOOL APIENTRY DllMain( HANDLE hModule,
- DWORD ul_reason_for_call,
- LPVOID lpReserved
- )
- {
- return TRUE;
- }
- // {54BF6567-1007-11D1-B0AA-444553540000}
- extern "C" const GUID CLSID_Dictionary =
- { 0x54bf6567, 0x1007, 0x11d1,
- { 0xb0, 0xaa, 0x44, 0x45, 0x53, 0x54, 0x00, 0x00} } ;
- BOOL __stdcall CreateObject(const CLSID& clsid, const IID& iid, void **ppv)
- {
- if (clsid == CLSID_Dictionary ) {
- CDictionary *pObject = new CDictionary;
- HRESULT result = pObject->QueryInterface(iid, ppv);
- return (result == S_OK) ? TRUE : FALSE;
- }
- return FALSE;
- }
- // class CDictionary implementation
- CDictionary::CDictionary()
- {
- m_Ref = 0;
- m_nWordNumber = 0;
- m_nStructNumber = 0;
- m_Data = NULL;
- }
- CDictionary::~CDictionary()
- {
- if (m_Data != NULL)
- {
- delete [] m_Data;
- }
- }
- HRESULT CDictionary::QueryInterface(const IID& iid, void **ppv)
- {
- if ( iid == IID_IUnknown )
- {
- *ppv = (IDictionary *) this ;
- ((IDictionary *)(*ppv))->AddRef() ;
- } else if ( iid == IID_Dictionary )
- {
- *ppv = (IDictionary *) this ;
- ((IDictionary *)(*ppv))->AddRef() ;
- } else if ( iid == IID_SpellCheck )
- {
- *ppv = (ISpellCheck *) this ;
- ((ISpellCheck *)(*ppv))->AddRef() ;
- }
- else
- {
- *ppv = NULL;
- return E_NOINTERFACE ;
- }
- return S_OK;
- }
- ULONG CDictionary::AddRef()
- {
- m_Ref ++;
- return (ULONG) m_Ref;
- }
- ULONG CDictionary::Release()
- {
- m_Ref --;
- if (m_Ref == 0 ) {
- delete this;
- return 0;
- }
- return (ULONG) m_Ref;
- }
- BOOL CDictionary::Initialize()
- {
- m_nWordNumber = 0;
- m_nStructNumber = 0;
- if (m_Data != NULL)
- {
- delete [] m_Data;
- }
- m_Data = NULL;
- return TRUE;
- }
- BOOL CDictionary::LoadLibrary(String filename)
- {
- char *pFileName = _com_util::ConvertBSTRToString(filename);
- FILE *fp;
- if( (fp = fopen( pFileName, "rt" )) == NULL ) {
- printf("Open dictionary file : %s failed.n", pFileName);
- delete pFileName;
- return FALSE;
- }
- char LineBuffer[128];
- if (feof(fp)) {
- printf("It is a null file!n");
- fclose(fp);
- delete pFileName;
- return FALSE;
- }
- if (fgets(LineBuffer, 128, fp) == NULL) {
- printf("Read TotalNumber failed!n");
- fclose(fp);
- delete pFileName;
- return FALSE;
- }
- int nTotalNumber = 0;
- sscanf(LineBuffer, "%d", &nTotalNumber);
- if ( (nTotalNumber < 1) && (nTotalNumber > 5000) ) {
- printf("The Number of words is invalid!n");
- fclose(fp);
- delete pFileName;
- return FALSE;
- }
- Initialize();
- m_nStructNumber = nTotalNumber+100;
- m_Data = new DictWord[m_nStructNumber];
- m_nWordNumber = 0;
- while(!feof(fp)) {
- if (fgets(LineBuffer, MaxWordLength, fp) == NULL) {
- printf("Read the first string failed!n");
- break;
- }
- sscanf(LineBuffer, "%s", m_Data[m_nWordNumber].wordForLang1);
- if (fgets(LineBuffer, MaxWordLength, fp) == NULL) {
- printf("Read the second string failed!n");
- break;
- }
- sscanf(LineBuffer, "%s", m_Data[m_nWordNumber].wordForLang2);
- m_nWordNumber ++;
- if (m_nWordNumber == nTotalNumber)
- break;
- if (m_nWordNumber > m_nStructNumber)
- break;
- }
- fclose(fp);
- delete pFileName;
- return TRUE;
- }
- BOOL CDictionary::InsertWord(String word1, String word2)
- {
- char *pWord1, *pWord2;
- if (m_nWordNumber < m_nStructNumber) {
- pWord1 = _com_util::ConvertBSTRToString(word1);
- pWord2 = _com_util::ConvertBSTRToString(word2);
- if (strlen(pWord1) > MaxWordLength)
- *(pWord1+MaxWordLength-1) = ' ';
- if (strlen(pWord2) > MaxWordLength)
- *(pWord2+MaxWordLength-1) = ' ';
- strcpy(m_Data[m_nWordNumber].wordForLang1, pWord1);
- strcpy(m_Data[m_nWordNumber].wordForLang2, pWord2);
- m_nWordNumber ++ ;
- delete pWord1;
- delete pWord2;
- return TRUE;
- }
- return FALSE;
- }
- void CDictionary::DeleteWord(String word)
- {
- char *pWord = _com_util::ConvertBSTRToString(word);
- char *pUpperWord = strupr(pWord);
- for (int i = 0; i < m_nWordNumber; i++)
- {
- char *tmpWord = strupr(m_Data[i].wordForLang1);
- if (strcmp(tmpWord, pWord) == 0) {
- for(int j = i + 1; j < m_nWordNumber; j++) {
- strcpy( m_Data[j].wordForLang1, m_Data[j + 1].wordForLang1);
- strcpy( m_Data[j].wordForLang2, m_Data[j + 1].wordForLang2);
- }
- m_nWordNumber ++ ;
- break;
- }
- }
- delete pWord;
- }
- BOOL CDictionary::LookupWord(String word, String *resultWord)
- {
- char *pWord = _com_util::ConvertBSTRToString(word);
- char *pUpperWord = strupr(pWord);
- for (int i = 0; i < m_nWordNumber; i++)
- {
- char *tmpWord = strupr(m_Data[i].wordForLang1);
- if (strcmp(tmpWord, pWord) == 0) {
- *resultWord = _com_util::ConvertStringToBSTR(m_Data[i].wordForLang2);
- delete pWord;
- return TRUE;
- }
- }
- *resultWord = NULL;
- delete pWord;
- return FALSE;
- }
- BOOL CDictionary::RestoreLibrary(String filename)
- {
- char *pFileName = _com_util::ConvertBSTRToString(filename);
- FILE *fp;
- if( (fp = fopen( pFileName, "wt" )) == NULL ) {
- printf("Open dictionary file : %s failed.n", pFileName);
- delete pFileName;
- return FALSE;
- }
- char LineBuffer[128];
- sprintf(LineBuffer, "%dn", m_nWordNumber);
- if (fputs(LineBuffer, fp) == EOF) {
- printf("Write TotalNumber failed!n");
- fclose(fp);
- delete pFileName;
- return FALSE;
- }
- for(int i = 0; i < m_nWordNumber; i ++ ) {
- if (fputs(m_Data[i].wordForLang1, fp) == EOF) {
- printf("Write the first string failed!n");
- fclose(fp);
- delete pFileName;
- return FALSE;
- }
- fputs("n", fp);
- if (fputs(m_Data[i].wordForLang2, fp) == EOF) {
- printf("Write the first string failed!n");
- fclose(fp);
- delete pFileName;
- return FALSE;
- }
- fputs("n", fp);
- }
- fclose(fp);
- delete pFileName;
- return TRUE;
- }
- void CDictionary::FreeLibrary()
- {
- Initialize();
- }
- BOOL CDictionary::CheckWord (String word, String *resultWord)
- {
- char *pWord = _com_util::ConvertBSTRToString(word);
- char *pUpperWord = strupr(pWord);
- char *pMinMaxWord, *pMaxMinWord;
- int nMinIndex = -1, nMaxIndex = -1;
- pMinMaxWord = pMaxMinWord = NULL;
- for (int i = 0; i < m_nWordNumber; i++)
- {
- char *tmpWord = strupr(m_Data[i].wordForLang1);
- if (strcmp(tmpWord, pWord) == 0) {
- delete pWord;
- return TRUE;
- } else if (strcmp(tmpWord, pWord) < 0) {
- if ((pMinMaxWord == NULL) || (strcmp(tmpWord, pMinMaxWord) > 0))
- {
- pMinMaxWord = tmpWord;
- nMinIndex = i;
- }
- } else {
- if ((pMaxMinWord == NULL) || (strcmp(tmpWord, pMaxMinWord) < 0))
- {
- pMaxMinWord = tmpWord;
- nMaxIndex = i;
- }
- }
- }
- *resultWord = NULL;
- if (nMinIndex != -1)
- *resultWord = _com_util::ConvertStringToBSTR(m_Data[nMinIndex].wordForLang1);
- else if (nMaxIndex != -1)
- *resultWord = _com_util::ConvertStringToBSTR(m_Data[nMaxIndex].wordForLang1);
- delete pWord;
- return FALSE;
- }