//-------------------------------------------------------------------------------------------------------

// Copyright (C) Microsoft. All rights reserved.

// Licensed under the MIT license. See LICENSE.txt file in the project root for full license information.

//-------------------------------------------------------------------------------------------------------

#pragma once

class Helpers

{

public :

static HRESULT LoadScriptFromFile(LPCSTR filename, LPCSTR& contents, UINT* lengthBytesOut = nullptr);

static LPCWSTR JsErrorCodeToString(JsErrorCode jsErrorCode);

static void LogError(__in __nullterminated const char16 *msg, ...);

static HRESULT LoadBinaryFile(LPCSTR filename, LPCSTR& contents, UINT& lengthBytes, bool printFileOpenError = true);

static void TTReportLastIOErrorAsNeeded(BOOL ok, const char* msg);

static void CreateTTDDirectoryAsNeeded(size_t* uriLength, char* uri, const char* asciiDir1, const wchar* asciiDir2);

static void GetTTDDirectory(const wchar* curi, size_t* uriLength, char* uri, size_t bufferLength);

static JsTTDStreamHandle CALLBACK TTCreateStreamCallback(size_t uriLength, const char* uri, size_t asciiNameLength, const char* asciiName, bool read, bool write);

static bool CALLBACK TTReadBytesFromStreamCallback(JsTTDStreamHandle handle, byte* buff, size_t size, size_t* readCount);

static bool CALLBACK TTWriteBytesToStreamCallback(JsTTDStreamHandle handle, const byte* buff, size_t size, size_t* writtenCount);

static void CALLBACK TTFlushAndCloseStreamCallback(JsTTDStreamHandle handle, bool read, bool write);

};