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

// 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

// API for methods that the ConfigParser can call

// Implement these methods to customize what happens when the configuration is loaded

class ConfigParserAPI

{

public:

// If the -Console flag is passed in, this method is called with a buffer

// The implementor will fill in the buffer and return true if a custom Console window title is desired

// To not change the console title, return false

static bool FillConsoleTitle(__ecount(cchBufferSize) LPWSTR buffer, size_t cchBufferSize, __in LPWSTR moduleName);

// If one of the following flags:

// - Console

// - OutputFile

// - DebugWindow

// - InMemoryTrace

// is set, then the ConfigParser will call the following method to give the implementor

// a chance to output any headers at initialization time.

static void DisplayInitialOutput(__in LPWSTR moduleName);

};

class ConfigParser

{

private:

static const int MaxTokenSize = 512;

static const int MaxRegSize = 2048;

static const LPWSTR featureKeyName ;

bool _hasReadConfig;

Js::ConfigFlagsTable& _flags;

const LPCWSTR _configFileName;

// NT version of CRT has the "backward compat" behavior that returns 0 instead of EOF

// for unicode version of fwscanf.

#ifdef NTBUILD

static const int FINISHED = 0;

#else

static const int FINISHED = EOF;

#endif

void ParseRegistryKey(HKEY hk, CmdLineArgsParser &parser);

public:

static ConfigParser s_moduleConfigParser;

ConfigParser(Js::ConfigFlagsTable& outputFlags, __in LPCWSTR configFileName = L"jscript") :

_flags(outputFlags),

_hasReadConfig(false),

_configFileName(configFileName)

{

}

static void ParseOnModuleLoad(CmdLineArgsParser& parser, HANDLE hMod);

void ParseConfig(HANDLE hmod, CmdLineArgsParser &parser);

void ParseRegistry(CmdLineArgsParser &parser);

void ProcessConfiguration(HANDLE mod);

HRESULT SetOutputFile(const WCHAR* outputFile, const WCHAR* openMode);

bool HasReadConfig() { return _hasReadConfig; }

};