// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// which accompanies this distribution, and is available

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

#include <stdio.h>

#include <e32ldr.h>

#include <u32std.h>

#include <e32std.h>

#ifndef __linux__

#include <windows.h>

#include <winbase.h>

// Windows version of the function

TInt RLoader::LoadLocale(const TDesC& aLocaleDllName, TLibraryFunction* aExportList)

	{

	typedef int (__cdecl *MYPROC)(LPWSTR);

	MYPROC myFunc;

	TBuf<256> nameBuf;

	nameBuf.Copy(aLocaleDllName);

	nameBuf.ZeroTerminate();

	iHandle = (TAny*)LoadLibraryEx((const WCHAR*)(nameBuf.Ptr()), NULL, DONT_RESOLVE_DLL_REFERENCES|LOAD_WITH_ALTERED_SEARCH_PATH);

	if ( iHandle == NULL )

		{

		DWORD err = GetLastError();

		printf("Error loading locale: Win system error %lu", (unsigned long)err);

		return KErrGeneral;

		}

	for ( TInt i = 1 ; i < KNumLocaleExports ; i ++ )

		{

		myFunc = (MYPROC) GetProcAddress((HMODULE)iHandle, (LPCSTR)i);

		if ( myFunc != NULL )

			{

			aExportList[i] = (TLibraryFunction)myFunc;

			}

		else

			{

			DWORD err = GetLastError();

			printf("Error loading locale function: Win system error %lu", (unsigned long)err);

			FreeLibrary((HMODULE)iHandle);

			return KErrGeneral;

			}

		}

	return KErrNone;

	}

void RLoader::Free()

	{

	if (iHandle != NULL)

		{

		FreeLibrary((HMODULE)iHandle);

		iHandle = NULL;

		}

	}

#else

#include <dlfcn.h>

// Mangled function names

const char funcnames [22][60] =

	{

	"Dummy",

	"_ZN4Locl9AmPmTableEv",

	"_ZN4Locl7CharSetEv",

	"_ZN4Locl9CollTableEv",

	"_ZN4Locl14CurrencySymbolEv",

	"_ZN4Locl15DateSuffixTableEv",

	"_ZN4Locl11DayAbbTableEv",

	"_ZN4Locl8DayTableEv",

	"_ZN4Locl9FoldTableEv",

	"_ZN4Locl8LanguageEv",

	"_ZN4Locl10LocaleDataEP11SLocaleData",

	"_ZN4Locl10LowerTableEv",

	"_ZN4Locl13MonthAbbTableEv",

	"_ZN4Locl10MonthTableEv",

	"_ZN4Locl8MsgTableEv",

	"_ZN4Locl9TypeTableEv",

	"_ZN4Locl7UniCodeEv",

	"_ZN4Locl10UpperTableEv",

	"_ZN4Locl19ShortDateFormatSpecEv",

	"_ZN4Locl18LongDateFormatSpecEv",

	"_ZN4Locl19FatUtilityFunctionsEv",

	};

// Linux version of the function

TInt RLoader::LoadLocale(const TDesC& aLocaleDllName, TLibraryFunction* aExportList)

	{

	TBuf8<256> nameBuf;

	nameBuf.Copy(aLocaleDllName);

	const char* name = reinterpret_cast<const char*>(nameBuf.PtrZ());

	iHandle = dlopen(name, RTLD_NOW);

	TLibraryFunction myFunc;

	if(iHandle == NULL) {

		printf("Error loading locale: %s\n", dlerror());

		return KErrGeneral;

	}

	for ( TInt i = 1 ; i < KNumLocaleExports ; i ++ )

		{

		myFunc = (TLibraryFunction) dlsym(iHandle, funcnames[i]);

		if ( myFunc != NULL )

			{

			aExportList[i] = (TLibraryFunction)myFunc;

			}

		else

			{

			printf("Error loading locale function: %s\n", dlerror());

			dlclose(iHandle);

			return KErrGeneral;

			}

		}

	return KErrNone;

	}

void RLoader::Free()

	{

	if ( iHandle != NULL )

		{

		dlclose(iHandle);

		iHandle = NULL;

		}

	}

#endif