C / C++ / MFC

<code>
// Select the file to be parsed.
static char BASED_CODE szFilter[] = _T("Log Files (*.log)|*.log||");
CFileDialog m_ldFile(TRUE,_T(".log"),_T(""),OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT, szFilter);

if (m_ldFile.DoModal() == IDOK)
{
	::PostMessage(m_pMainWnd->GetSafeHwnd(), UWM_PT_START, 0,0);
		
	// Get the filename selected
	CString strFilePath = m_ldFile.GetPathName(),
			strData	= _T("");

	// Read the file and dump the data into strData
	CFile file;
	if(file.Open(strFilePath, CFile::modeRead | CFile::shareDenyNone))
	{
		// Declare a buffer for reading the text
		char cBuf[65536];
		UINT uBytesRead;

		// Continue reading until no more data is read
		while(uBytesRead = file.Read(cBuf, sizeof(cBuf)-1))
		{
			// Null terminate after the last charcter
			cBuf[uBytesRead] = NULL;

			// Add the buffer to the mapped CString
			strData += CString(cBuf);
		}

		// Close the file
		file.Close();

		strData.MakeLower();

		int nHeaderStart = 0,
			nHeaderEnd = 0,
			nEndLine = 0;

		// Find the header
		nHeaderStart = strData.Find(_T("#fields: "),0);
		nHeaderEnd = strData.Find(_T("\r\n"), nHeaderStart);

		// Delete up to and including the header
		if(strData.GetLength() >= (nHeaderEnd +2))
			strData.Delete(0, nHeaderEnd +2);
		else
			strData.Empty();
			
		// Clear out the vector
		v_items.erase(v_items.begin(), v_items.end());

		// Parse the data and populate the vector
		while(!strData.IsEmpty())
		{
			// Split up the data per line
			nEndLine = strData.Find(_T("\r\n"), 0);
			if(nEndLine > 0)
			{
				CString strLine = strData.Mid(0, nEndLine);
				int nToken = 0;
				s_item pItem;
					
				// Date
				nToken = strLine.Find(_T(" "), 0);
				pItem.sDate = strLine.Mid(0, nToken);
				strLine.Delete(0, nToken +1);

				// Time
				nToken = strLine.Find(_T(" "), 0);
				pItem.sTime = strLine.Mid(0, nToken);
				strLine.Delete(0, nToken +1);

				// Server IP
				nToken = strLine.Find(_T(" "), 0);
				pItem.sIPServer = strLine.Mid(0, nToken);
				strLine.Delete(0, nToken +1);

				// Method
				nToken = strLine.Find(_T(" "), 0);
				pItem.sMethod = strLine.Mid(0, nToken);
				strLine.Delete(0, nToken +1);

				// URI Stem
				nToken = strLine.Find(_T(" "), 0);
				pItem.sURIStem = strLine.Mid(0, nToken);
				strLine.Delete(0, nToken +1);

				// URI Query
				nToken = strLine.Find(_T(" "), 0);
				pItem.sURIQuery = strLine.Mid(0, nToken);
				strLine.Delete(0, nToken +1);

				// Port
				nToken = strLine.Find(_T(" "), 0);
				pItem.sPort = strLine.Mid(0, nToken);
				strLine.Delete(0, nToken +1);

				// User Name
				nToken = strLine.Find(_T(" "), 0);
				pItem.sUsername = strLine.Mid(0, nToken);
				strLine.Delete(0, nToken +1);

				// IP Client
				nToken = strLine.Find(_T(" "), 0);
				pItem.sIPClient = strLine.Mid(0, nToken);
				strLine.Delete(0, nToken +1);

				// User Agent
				nToken = strLine.Find(_T(" "), 0);
				pItem.sUserAgent = strLine.Mid(0, nToken);
				strLine.Delete(0, nToken +1);

				// Status
				nToken = strLine.Find(_T(" "), 0);
				pItem.sStatus = strLine.Mid(0, nToken);
				strLine.Delete(0, nToken +1);

				// SubStatus
				nToken = strLine.Find(_T(" "), 0);
				pItem.sSubstatus = strLine.Mid(0, nToken);
				strLine.Delete(0, nToken +1);

				// Win32 Stataus
				pItem.sWin32Status = strLine;
				strLine.Empty();

				// Insert the structure into the vector
				v_items.push_back(pItem);

				// Delete the line from the main buffer
				if(strData.GetLength() > (nEndLine +2))
					strData.Delete(0, nEndLine +2);
				else
					strData.Empty();
			}
			else
				strData.Empty();
		}
	}
}
</code>