ispellcheck.h

来自「管理项目进度工具的原代码」· C头文件 代码 · 共 111 行

// ISpellChecker.h: interface for the ISpellChecker class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_ISPELLCHECK_H__7741547B_BA15_4851_A41B_2B4EC1DC12D5__INCLUDED_)
#define AFX_ISPELLCHECK_H__7741547B_BA15_4851_A41B_2B4EC1DC12D5__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#pragma warning(disable:4189)
#pragma warning(disable:4127)

#include <Windows.h>

// function to be exported from dll to create instance of interface
#ifdef _EXPORTING // declare this in project settings for dll _only_
#	define DLL_DECLSPEC __declspec(dllexport)
#else
#	define DLL_DECLSPEC __declspec(dllimport)
#endif 

#define ISPELLCHECK_VERSION 0x0000

class ISpellChecker;

typedef ISpellChecker* (*PFNCREATE)(const char*, const char*); // function prototype
extern "C" DLL_DECLSPEC ISpellChecker* CreateSpellCheckerInterface(const char* szAffPath, const char* szDicPath); // single exported function

typedef int (*PFNGETVERSION)(); // function prototype
extern "C" DLL_DECLSPEC int GetInterfaceVersion();

#pragma warning(disable:4505)

// helper method
static ISpellChecker* CreateSpellCheckerInterface(const char* szDllPath, const char* szAffPath, const char* szDicPath)
{
    ISpellChecker* pInterface = NULL;
    HMODULE hDll = LoadLibrary(szDllPath);
	
    if (hDll)
    {
        PFNCREATE pCreate = (PFNCREATE)GetProcAddress(hDll, "CreateSpellCheckerInterface");
		
        if (pCreate)
		{
			// check version
			PFNGETVERSION pVersion = (PFNGETVERSION)GetProcAddress(hDll, "GetInterfaceVersion");

			if (!ISPELLCHECK_VERSION || (pVersion && pVersion() >= ISPELLCHECK_VERSION))
				pInterface = pCreate(szAffPath, szDicPath);
		}
    }
	
    return pInterface;
}

static BOOL IsSpellCheckDll(const char* szDllPath)
{
    HMODULE hDll = LoadLibrary(szDllPath);
	
    if (hDll)
    {
        PFNCREATE pCreate = (PFNCREATE)GetProcAddress(hDll, "CreateSpellCheckerInterface");
		FreeLibrary(hDll);

		return (NULL != pCreate);
	}

	return FALSE;
}

class ISpellChecker
{
public:
    virtual void Release() = 0; // releases the interface
	
    // 
    virtual bool CheckSpelling(const char* szWord) = 0;
    virtual bool CheckSpelling(const char* szWord, char**& pSuggestions, int& nNumSuggestions) = 0;
	
    // frees a previously returned buffer and sets the ptr to NULL
    virtual void FreeSuggestions(char**& pSuggestions) = 0;
	
};

static void ReleaseSpellCheckerInterface(ISpellChecker*& pInterface)
{
    if (pInterface)
    {
        pInterface->Release();
        pInterface = NULL;
    }
}

class ISpellCheck
{
public:
	virtual const char* GetFirstWord() const = 0;
	virtual const char* GetNextWord() const = 0;
	virtual const char* GetCurrentWord() const = 0;

	virtual void SelectCurrentWord() = 0;
	virtual void ReplaceCurrentWord(const char* szWord) = 0;

	virtual void ClearSelection() = 0;
};

#endif // !defined(AFX_ISpellCheck_H__7741547B_BA15_4851_A41B_2B4EC1DC12D5__INCLUDED_)