C++ DateTime::Format方法代码示例

void DBMaintenance::Do1DayMaintenance()
{
	DateTime yesterday;
	DateTime tendaysago;

	yesterday.Add(0,0,0,-1);
	tendaysago.Add(0,0,0,-10);

	m_db->Execute("BEGIN;");

	SQLite3DB::Statement st=m_db->Prepare("DELETE FROM tblIdentity WHERE (DateAdded<? AND LastSeen IS NULL) OR LastSeen<? AND Ignored=0;");
	st.Bind(0,tendaysago.Format("%Y-%m-%d"));
	st.Bind(1,tendaysago.Format("%Y-%m-%d"));
	st.Step();

	st=m_db->Prepare("DELETE FROM tblAnnounceIndex WHERE Date<?;");
	st.Bind(0,yesterday.Format("%Y-%m-%d"));
	st.Step();

	st=m_db->Prepare("DELETE FROM tblIdentityEdition WHERE Date<?;");
	st.Bind(0,yesterday.Format("%Y-%m-%d"));
	st.Step();

	st=m_db->Prepare("DELETE FROM tblInsertedMessageIndex WHERE Date<?;");
	st.Bind(0,yesterday.Format("%Y-%m-%d"));
	st.Step();

	st=m_db->Prepare("DELETE FROM tblRetrievedMessageIndex WHERE Date<?;");
	st.Bind(0,yesterday.Format("%Y-%m-%d"));
	st.Step();

	m_db->Execute("COMMIT;");

	m_log->Error("DBMaintenance::Do1DayMaintenance");
}

void FreenetMessageInserter::StartTopicInsert(const int localidentityid, const std::string &channel, const std::string &topic)
{
    SQLite3DB::Statement st;
    std::string idstr("");
    std::string data("");
    std::string datalengthstr("");
    DateTime now;
    FCPv2::Message mess("ClientPut");

    LoadLocalIdentityPrivateKey(localidentityid);

    if(m_identitykeys[localidentityid]!="")
    {
        std::string indexstr("0");
        FreenetMessage fm;

        fm["type"]="settopic";
        fm["channel"]=channel;
        fm["sentdate"]=now.Format("%Y-%m-%d %H:%M:%S");
        fm.Body()=topic;
        data=fm.GetMessageText();

        StringFunctions::Convert(localidentityid,idstr);
        StringFunctions::Convert(data.size(),datalengthstr);
        StringFunctions::Convert(GetNextMessageIndex(localidentityid,now),indexstr);

        st=m_db->Prepare("INSERT INTO tblInsertedMessageIndex(LocalIdentityID,Date,MessageIndex) VALUES(?,?,?);");
        st.Bind(0,localidentityid);
        st.Bind(1,now.Format("%Y-%m-%d"));
        st.Bind(2,indexstr);
        st.Step();

        mess["URI"]="[email protected]"+m_identitykeys[localidentityid].substr(4)+m_messagebase+"|"+now.Format("%Y-%m-%d")+"|Message-"+indexstr;
        mess["Identifier"]=m_fcpuniqueidentifier+"|"+idstr+"|"+now.Format("%Y-%m-%d")+"|"+indexstr+"|"+mess["URI"];
        mess["RealTimeFlag"]="true";
        mess["UploadFrom"]="direct";
        mess["PriorityClass"]=m_insertpriority;
        mess["ExtraInsertsSingleBlock"]="0";
        mess["DataLength"]=datalengthstr;
        mess["Metadata.ContentType"]="";

        m_fcp->Send(mess);
        m_fcp->Send(std::vector<char>(data.begin(),data.end()));

        m_log->Debug("FreenetMessageInserter::StartInsert started insert of channel topic "+mess["Identifier"]);
    }
}

const int FreenetMessageInserter::GetNextMessageIndex(const int localidentityid, const DateTime &date)
{
    int index=0;
    SQLite3DB::Statement st=m_db->Prepare("SELECT IFNULL(MAX(MessageIndex)+1,0) FROM tblInsertedMessageIndex WHERE LocalIdentityID=? AND Date=?;");
    st.Bind(0,localidentityid);
    st.Bind(1,date.Format("%Y-%m-%d"));
    st.Step();
    if(st.RowReturned())
    {
        st.ResultInt(0,index);
    }
    return index;
}

void LogFile::LogText(const CString& cszText, bool bLongDate)
{
   if (m_spStream == NULL)
      return;

   DateTime dt = DateTime::Now();

   CString cszTemp;
   cszTemp.Format(_T("[%s] %s"),
      dt.Format(bLongDate ? _T("%Y-%m-%d %H:%M:%S") : _T("%H:%M:%S")).GetString(),
      cszText.GetString());

   m_spStream->Write(cszTemp);
   m_spStream->WriteEndline();
   m_spStream->Flush();
}

void FreenetMessageInserter::StartPrivateInsert(const int localidentityid, const int recipientidentityid, const std::string &message)
{
    RSAKeyPair rsa;
    std::string idstr("");
    std::string publickey("");
    std::string rsapublickey("");
    std::string data("");
    std::string datalengthstr("");
    DateTime now;
    FCPv2::Message mess("ClientPut");

    LoadLocalIdentityPrivateKey(localidentityid);

    SQLite3DB::Statement st=m_db->Prepare("SELECT PublicKey, RSAPublicKey FROM tblIdentity WHERE IdentityID=?;");
    st.Bind(0,recipientidentityid);
    st.Step();
    if(st.RowReturned())
    {
        st.ResultText(0,publickey);
        st.ResultText(1,rsapublickey);
    }

    if(publickey!="" && rsapublickey!="" && rsa.SetFromEncodedPublicKey(rsapublickey))
    {
        if(m_identitykeys[localidentityid]!="")
        {
            std::string indexstr("0");
            FreenetMessage fm;

            fm["type"]="privatemessage";
            fm["recipient"]=publickey;
            fm["sentdate"]=now.Format("%Y-%m-%d %H:%M:%S");
            rsa.Encrypt(message,fm.Body());
            data=fm.GetMessageText();

            StringFunctions::Convert(localidentityid,idstr);
            StringFunctions::Convert(data.size(),datalengthstr);
            StringFunctions::Convert(GetNextMessageIndex(localidentityid,now),indexstr);

            st=m_db->Prepare("INSERT INTO tblInsertedMessageIndex(LocalIdentityID,Date,MessageIndex) VALUES(?,?,?);");
            st.Bind(0,localidentityid);
            st.Bind(1,now.Format("%Y-%m-%d"));
            st.Bind(2,indexstr);
            st.Step();

            mess["URI"]="[email protected]"+m_identitykeys[localidentityid].substr(4)+m_messagebase+"|"+now.Format("%Y-%m-%d")+"|Message-"+indexstr;
            mess["Identifier"]=m_fcpuniqueidentifier+"|"+idstr+"|"+now.Format("%Y-%m-%d")+"|"+indexstr+"|"+mess["URI"];
            mess["RealTimeFlag"]="true";
            mess["UploadFrom"]="direct";
            mess["PriorityClass"]=m_insertpriority;
            mess["ExtraInsertsSingleBlock"]="0";
            mess["DataLength"]=datalengthstr;
            mess["Metadata.ContentType"]="";

            m_fcp->Send(mess);
            m_fcp->Send(std::vector<char>(data.begin(),data.end()));

            m_log->Debug("FreenetMessageInserter::StartInsert started insert of private message "+mess["Identifier"]);
        }
    }

}

bool BmpClipboardDumper::Dump(POEngine* pEngine)
{
	m_strErr.Empty();
	m_bAbort = false;

	chuwin32::DibBitmap dib;
	if( !PrepareDib(dib, m_strErr) )
	{
		return false;
	}
				
	uint32* const pSrc = dib.m_pBits;
	const int32 nWidth = dib.GetWidth();
	const int32 nHeight = dib.GetHeight();
	const int32 nPixelCount = nWidth * nHeight;

	Buffer buf24;
	if( !buf24.SetSize(nPixelCount * 3) )
	{
		m_strErr = k_szNotEnoughMemory;
		return false;
	}

	uint8* const pBuf24 = buf24.GetWritePtr();
	uint8* pBufTmp24 = pBuf24;

	for(int32 i = 0; i < nPixelCount; ++i)
	{
		uint32 nSrc = pSrc[i];
		uint8 r = uint8( (nSrc >> 16) & 0x000000ff);
		uint8 g = uint8( (nSrc >> 8) & 0x000000ff);
		uint8 b = uint8( (nSrc >> 0) & 0x000000ff);

		pBufTmp24[0] = r;
		pBufTmp24[1] = g;
		pBufTmp24[2] = b;
		pBufTmp24 += 3;
	}

	PngDumpData dd;
	dd.pixels = buf24;
	dd.width = nWidth;
	dd.height = nHeight;
	dd.pixelFormat = PF_24bppRgb;
	
	// Determine the file name
	DateTime date = DateTime::GetNow();
	String strDate = date.FormatDate();
	String strTime = date.FormatTime();

	String strFileNameBase = L"shot-" + date.Format(DateFormat::Compact);

	String strDestDir;
	if( m_settings.useDefaultDir )
	{
		strDestDir = GetTempDir();
		if( strDestDir.IsEmpty() )
		{
			// Cannot get the temp directory. I wonder when this can happen (maybe a bad registry settings ?)
			// Anyway, we inform the user
			m_strErr = k_szCannotRetrieveTempPath;
			return false;
		}
	}
	else
	{
		if( m_settings.customDir.IsEmpty() )
		{
			m_strErr = k_szCustomDirIsEmpty;
			m_strErr = m_strErr + L"\n";
			m_strErr = m_strErr + k_szCustomDirIsEmpty2;
			return false;
		}
		strDestDir = m_settings.customDir;
	}
	strDestDir = FilePath::AddSeparator(strDestDir);

	String strFileNameFinal = strFileNameBase + L".png";
	String strTotalFinalPath = FilePath::Combine(strDestDir, strFileNameFinal);

	// Find a unique name
	// With the date/time in the name, there is very little chance to get twice the same name,
	// but when pasting very fast, one second of delay might be not enough
	if( File::Exists(strDestDir + strFileNameFinal) )
	{
		// Oops
		String strCountW;

		// 100 tries max, oterwise er... 100 dump in less than one second ?
		int32 iCount = 1;
		const int32 nMaxCount = 100;

		for(; iCount <= nMaxCount; ++iCount)
		{
			strCountW = L"(" + String::FromInt(iCount) + L")";
			strFileNameFinal = strFileNameBase + strCountW + L".png";

			if( !File::Exists(strDestDir + strFileNameFinal) )
			{
				// Found ! ^^
//.........这里部分代码省略.........