/*---------------------------------------------------------------------------*
  Project:  Horizon
  File:     enc_Main.cpp

  Copyright (C)2009-2012 Nintendo Co., Ltd.  All rights reserved.

  These coded instructions, statements, and computer programs contain
  proprietary information of Nintendo of America Inc. and/or Nintendo
  Company Ltd., and are protected by Federal copyright law.  They may
  not be disclosed to third parties or copied or duplicated in any form,
  in whole or in part, without the prior written consent of Nintendo.

  $Rev: 46365 $
 *---------------------------------------------------------------------------*/

#include <nn.h>
#include <nn/dbg.h>
#include <nn/enc.h>

namespace
{

const u16 utf16[] = {
    0x30c9, 0x30ec, 0x30df, 0x30d5, 0x30a1,
    0x30bd, 0x30e9, 0x30b7, 0x30c9, 0x000a,
    0x0043, 0x0044, 0x0045, 0x0046, 0x0047,
    0x0041, 0x0042, 0x0043, 0x000a, 0x0000
};

const u8 utf8[] = {
    0xe3, 0x83, 0x89, 0xe3, 0x83, 0xac, 0xe3, 0x83, 0x9f,
    0xe3, 0x83, 0x95, 0xe3, 0x82, 0xa1, 0xe3, 0x82, 0xbd,
    0xe3, 0x83, 0xa9, 0xe3, 0x82, 0xb7, 0xe3, 0x83, 0x89,
    0x0a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x41, 0x42, 0x43,
    0x0a, 0x00
};

const u32 BUFFER_SIZE = 64;

}

extern "C" void nnMain( void )
{
    nn::Result result;

    s32 srcSize, dstSize;

    NN_LOG("* UTF8 str -> UTF16 str *\n");
    u16 buffer16[BUFFER_SIZE];
    /* Calculate the required size of the buffer */
    srcSize = -1;
    result = nn::enc::ConvertStringUtf8ToUtf16Native(
                 NULL, &dstSize, utf8, &srcSize
             );
    NN_ASSERT_RESULT( result );
    NN_EQUAL_ASSERT(
        dstSize, std::wcslen(reinterpret_cast<const wchar_t*>(utf16)));
    NN_EQUAL_ASSERT(
        srcSize, std::strlen(reinterpret_cast<const char*>(utf8)));
    /* Character code conversion */
    result = nn::enc::ConvertStringUtf8ToUtf16Native(
                 buffer16, &dstSize, utf8, &srcSize
             );
    NN_ASSERT_RESULT( result );
    NN_EQUAL_ASSERT(
        dstSize, std::wcslen(reinterpret_cast<const wchar_t*>(utf16)));
    NN_EQUAL_ASSERT(
        srcSize, std::strlen(reinterpret_cast<const char*>(utf8)));
    for(int i = 0; utf16[i] != 0; ++i)
    {
        NN_EQUAL_ASSERT( buffer16[i], utf16[i] );
    }

    NN_LOG("* UTF16 str -> UTF8 str *\n");
    u8 buffer8[BUFFER_SIZE];
    /* Calculate the required size of the buffer */
    srcSize = -1;
    result = nn::enc::ConvertStringUtf16NativeToUtf8(
                 NULL, &dstSize, utf16, &srcSize
             );
    NN_ASSERT_RESULT( result );
    NN_EQUAL_ASSERT(
        dstSize, std::strlen(reinterpret_cast<const char*>(utf8)));
    NN_EQUAL_ASSERT(
        srcSize, std::wcslen(reinterpret_cast<const wchar_t*>(utf16)));
    /* Character code conversion */
    result = nn::enc::ConvertStringUtf16NativeToUtf8(
                 buffer8, &dstSize, utf16, &srcSize
             );
    NN_ASSERT_RESULT( result );
    NN_EQUAL_ASSERT(
        dstSize, std::strlen(reinterpret_cast<const char*>(utf8)));
    NN_EQUAL_ASSERT(
        srcSize, std::wcslen(reinterpret_cast<const wchar_t*>(utf16)));
    for(int i = 0; utf8[i] != 0; ++i)
    {
        NN_EQUAL_ASSERT( buffer8[i], utf8[i] );
    }

    NN_LOG("*** End of EncDemo ***\n");
    while(true){}
}