multilanguage.h

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/*
*  Openmysee
*
*  This program is free software; you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation; either version 2 of the License, or
*  (at your option) any later version.
*
*  This program is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU General Public License for more details.
*
*  You should have received a copy of the GNU General Public License
*  along with this program; if not, write to the Free Software
*  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*
*/
#pragma once

#define WIN32_LEAN_AND_MEAN		// Exclude rarely-used stuff from Windows headers
// Windows Header Files:
#include <windows.h>
#include <tchar.h>
#include <map>
#include <fstream>
#include <string>

using namespace std;

#ifdef _UNICODE
#define tstring wstring
#define tifstream wifstream
#else
#define tstring string
#define tifstream ifstream
#endif

// Type definitions
typedef struct LANGINFO_DEF {
	int		Count;
	LANGID	LangID;
} LANGINFO;
typedef LANGINFO *PLANGINFO;

class StringMapLoader
{
public:
	StringMapLoader(void);
	virtual ~StringMapLoader(void);

	static bool SwitchLanguage(
		const LANGID langID		// in, 语言ID
		);
	static bool GetCurLanguage(
		LANGID& langID			// out, 当前语言的ID
	);
	/*
	static UINT GetAvailableLanguageCount();
	static bool GetAvailableLanguage()
	*/
	static UINT GetStrByStr(
		const LPCTSTR keyStr,	// in, 索引字符串
		LPTSTR buf,				// out, 存储字符串的缓冲区
		const UINT bufSize		// in, 缓冲区的大小
		);

private:
	// 处理Windows NT4上Hongkong SAR version的问题
	LANGID GetNTDLLNativeLangID();
	BOOL IsHongKongVersion();

	// 获取本机使用的语言编号，如果找不到，则选择默认语言
	LANGID DetectLanguage();

	//根据文件名读取转译文件
	bool LoadLanguageFile(
		const string &filename	// 目标文件，相对路径
		);

private:
	enum {
		DEFAULT_LANG_ID		= 0x0409,			// 默认语言(英语)
		HONGKONG_LANG_ID	= 0x0c04,			// 香港默认语言
		TAIWAN_LANG_ID		= 0x0404,			// 台湾默认语言
		MAINLAND_LANG_ID	= 0x0804,			// 内地默认语言


		MAX_KEY_BUFFER		= 80,				// 字符语言ID的长度限制
	};

	map <LANGID, string>	m_mapLangId2Str;	// LanguageID与描述字符串的对应，比如0x0804对应"zh_CN", 0x0404对应"zh_TW"
	map <tstring, tstring>	m_mapKeyStr2ValStr;	// Key字符串 与 当前语言字符串的对应
	LANGID					m_idCurLang;		// 获取当前语言ID
};

#ifdef __cplusplus    // If used by C++ code, 
extern "C" {          // we need to export the C interface
#endif
// 改变当前语言
__declspec(dllexport) bool SwitchLanguage(
	const LANGID langID		// in, 语言的ID
	)
{
	return StringMapLoader::SwitchLanguage(langID);
}
// 获取当前语言ID
__declspec(dllexport) bool GetCurLanguage(
	LANGID& langID			// out, 当前语言的ID
	)
{
	return StringMapLoader::GetCurLanguage(langID);
}
/*
// 获取可用的语言数目
__declspec(dllexport) UINT GetAvailableLanguageCount()
{
	return StringMapLoader::GetAvailableLanguageCount();
}
// 获取可用的语言列表
__declspec(dllexport) bool GetAvailableLanguage(
	const LANGID* pList,	// out, 存储列表的缓冲区
	const UINT maxSize		// in, 列表的大小限制
	)
{
	return StringMapLoader::GetAvailableLanguage();
}
*/
// 根据字符串获取对应的当前语言字符串，返回语言字符串的长度
__declspec(dllexport) UINT GetStrByStr(
	LPCTSTR keyStr,		// in, 索引字符串
	LPTSTR buf,			// out, 存储字符串的缓冲区
	const UINT bufSize	// in, 缓冲区的大小
	)
{
	return StringMapLoader::GetStrByStr(keyStr, buf, bufSize);
}
#ifdef __cplusplus    // If used by C++ code, 
}
#endif