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#include <spk.h>
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#include "Utils/WString.h"
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using namespace System;
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using namespace Runtime::InteropServices;
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using namespace System::Drawing;
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#define CONNECTERROR_UNKNOWN	-1
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enum {CONNECTERROR_NONE, CONNECTERROR_TIMEOUT, CONNECTERROR_NOFILE, CONNECTERROR_FAILED};
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inline Utils::String _S(System::String^ str)
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{
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	if (!str || !str->Length)
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		return "";
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	const char* chars = (const char*)(Marshal::StringToHGlobalAnsi(str)).ToPointer();
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	std::string s = chars;
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	Marshal::FreeHGlobal(IntPtr((void*)chars));
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	return s;
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}
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inline Utils::WString _WS(System::String^ str)
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{
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	if (!str || !str->Length)
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		return L"";
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	const wchar_t* chars = (const wchar_t*)(Marshal::StringToHGlobalUni(str)).ToPointer();
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	std::wstring s = chars;
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	Marshal::FreeHGlobal(IntPtr((void*)chars));
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	return s;
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}
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inline int CheckWebFileExists(String ^url)
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{
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	int ret = CONNECTERROR_UNKNOWN;
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	try
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	{
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		// check for the file
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		Net::WebRequest ^check = (Net::HttpWebRequest ^)Net::WebRequest::Create(url);
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		check->Credentials = Net::CredentialCache::DefaultCredentials;
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		Net::WebResponse ^response = (Net::HttpWebResponse ^)check->GetResponse();
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		// check the file size
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		__int64 fileSize = response->ContentLength;
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		if ( fileSize )
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			ret = CONNECTERROR_NONE;
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		response->Close();
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	}
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	catch (System::Net::WebException ^ex)
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	{
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		if ( ex->Status == System::Net::WebExceptionStatus::ConnectFailure )
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			ret = CONNECTERROR_FAILED;
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		else if(ex->Status == System::Net::WebExceptionStatus::ConnectionClosed && !ex->Response)
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			ret = CONNECTERROR_FAILED;
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		else
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		{
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			switch ( cli::safe_cast<Net::HttpWebResponse ^>(ex->Response)->StatusCode )
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			{
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				case Net::HttpStatusCode::NotFound:
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					ret = CONNECTERROR_NOFILE;
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					break;
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				case Net::HttpStatusCode::RequestTimeout:
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					ret = CONNECTERROR_TIMEOUT;
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					break;
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				default:
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					ret = CONNECTERROR_UNKNOWN;
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			}
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		}
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	}
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	return ret;
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}
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inline String ^ReadDataFromWeb(String ^url)
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{
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	bool ret = false;
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	String ^data;
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	try
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	{
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		System::Net::WebClient ^Client = gcnew System::Net::WebClient();
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		Client->Headers->Add( "user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.0.3705;)" );
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		System::IO::Stream ^strm = Client->OpenRead(url);
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		System::IO::StreamReader ^sr = gcnew System::IO::StreamReader(strm);
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		data = sr->ReadToEnd();
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		strm->Close();
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		sr->Close();
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	}
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	catch (System::Net::WebException ^)
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	{
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		return nullptr;
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	}
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	if ( data && data->Length )
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		return data;
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	return nullptr;
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}
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inline System::String^ _US(const Utils::WString& str)
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{
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	System::String^ Str = gcnew System::String(str.c_str());
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	return Str;
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}
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inline System::Drawing::Bitmap ^LoadIcon(CBaseFile *p)
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{
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	Utils::WString file = p->icon()->filePointer();
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	if (!file.empty())
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	{
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		file = file.findReplace(L"/", L"\\").findReplace(L"\\\\", L"\\");
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		bool doIcon = false;
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		System::String ^sFile = _US(file);
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		if ( System::IO::File::Exists(sFile) )
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		{
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			Bitmap ^myBitmap = gcnew Bitmap(sFile);
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			return myBitmap;
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		}
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	}
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	return nullptr;
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}
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inline System::String ^GetProgramVersionString(float version, int beta)
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{
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	System::String ^str = "V" + _US(Utils::WString::FromFloat(version, 2));
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	// beta version
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	if ( beta > 0 )
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		str += " (Beta " + beta + ")";
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	// RC release
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	else if ( beta < 0 )
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		str += " (RC " + (0 - beta) + ")";
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	return str;
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}
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