pimappsupport/chinesecalendaralg/originaltsrc/ConvertDates.cpp
branchRCL_3
changeset 12 38571fd2a704
equal deleted inserted replaced
5:42814f902fe6 12:38571fd2a704
       
     1 // Copyright (c) 2000-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 //
       
    15 
       
    16 #include "ConvertDates.h"
       
    17 
       
    18 // Constants 
       
    19 const TInt KFirstYear = 0;
       
    20 const TInt KFromOffset = 0;
       
    21 const TInt KToOffset = 5;
       
    22 const TInt KCycleOffset = 10;
       
    23 const TInt KYearOffset = 13;
       
    24 const TInt KMnthOffset = 19;
       
    25 const TInt KLeapMonthOffset = 22;
       
    26 const TInt KDyOffset = 24;
       
    27 const TInt KCycleLen = 2;
       
    28 const TInt KSignLen = 1;
       
    29 const TInt KYearLen = 5;
       
    30 const TInt KMonthLen = 2;
       
    31 //const TInt KLeapMonthLen = 1;
       
    32 const TInt KDayLen = 2;
       
    33 //
       
    34 _LIT(KRoot,						"C:\\");
       
    35 _LIT(KSpace,					" ");
       
    36 _LIT(KResult,					" Result ");
       
    37 _LIT(KTestHeader,				"Test Results");
       
    38 _LIT(KCalconLogFileDirectory,	"calcon");
       
    39 _LIT(KCalconLogFile,			"c:\\calcon\\calcon.txt");
       
    40 _LIT(KInputFile,				"c:\\input.txt");
       
    41 _LIT(KOutputFile,				"c:\\output.txt");
       
    42 _LIT8(KImcvCRLF,				"\r\n");
       
    43 
       
    44 
       
    45 
       
    46 //
       
    47 // Construction/Destruction
       
    48 //
       
    49 
       
    50 CConvertDates::~CConvertDates()
       
    51 	{
       
    52 	iInputFile.Close();
       
    53 	iOutputFile.Close();
       
    54 	iRFSession.Close();
       
    55 	}
       
    56 
       
    57 CConvertDates* CConvertDates::NewL()
       
    58 	{
       
    59 	CConvertDates* self = CConvertDates::NewLC();
       
    60 	CleanupStack::Pop();
       
    61 	return self;
       
    62 	}
       
    63 
       
    64 CConvertDates* CConvertDates::NewLC()
       
    65 	{
       
    66 	CConvertDates* self = new(ELeave) CConvertDates;
       
    67 	CleanupStack::PushL(self);
       
    68 	self->ConstructL();
       
    69 	return self;
       
    70 	}
       
    71 
       
    72 void CConvertDates::ConstructL()
       
    73 	{
       
    74 	// constructors, public member data, static casts
       
    75 	TGregorianCalendar gregorianCalendar;
       
    76 	TChineseCalendar chineseCalendar;
       
    77 	TArithmeticalDate date;
       
    78 	date.iYear=2001;
       
    79 	date.iMonth=1;
       
    80 	date.iDay=24; // 24th January 2001
       
    81 	gregorianCalendar.SetDate(date);
       
    82 	static_cast<TCalendar&>(chineseCalendar)=gregorianCalendar;
       
    83 	TChineseDate chineseDate;
       
    84 	chineseCalendar.GetDate(chineseDate); // cycle=78, Year=18, Month=1, Day=1 (New Year's day)
       
    85 
       
    86 
       
    87 	User::LeaveIfError(iRFSession.Connect());
       
    88 	iRFSession.SetSessionPath(KRoot);
       
    89 
       
    90 	if	(iLogger.LogValid())
       
    91 		iLogger.CloseLog();
       
    92 	TParse p;
       
    93 	p.Set(KCalconLogFile, NULL, NULL);
       
    94 	iLogger.Connect();
       
    95 	iLogger.CreateLog(KCalconLogFileDirectory, p.NameAndExt(), EFileLoggingModeOverwrite);
       
    96 	iLogger.SetDateAndTime(EFalse, EFalse);
       
    97 	iLogger.Write(KTestHeader);
       
    98 	}
       
    99 
       
   100 void CConvertDates::ConvertL()
       
   101 	{
       
   102 	TBuf8<100> logLine;
       
   103 	TBuf<64> errBuf;
       
   104 	// open the input and output files
       
   105 	OpenFilesL();
       
   106 
       
   107 	TInt fileErr = KErrNone;
       
   108 	while(fileErr == KErrNone)
       
   109 		{
       
   110 		// read date from the input file
       
   111 		fileErr = ReadLine();
       
   112 		if	(fileErr==KErrNone)
       
   113 			{
       
   114 			// get the cal types to convert from and to
       
   115 			TRAPD(err,GetCalL(iDateLine));
       
   116 			if	(err)
       
   117 				{
       
   118 				errBuf.Format(_L("\r\nError get calendar conversion type %d\r\n"),err);
       
   119 				iLogger.Write(errBuf);
       
   120 				}
       
   121 			else
       
   122 				{
       
   123 				// do the conversion
       
   124 				Cal1ToCal2();
       
   125 
       
   126 				// set the cal types to convert from and to
       
   127 				logLine.Zero();
       
   128 				TRAP(err,SetCalL(logLine));
       
   129 				if	(err)
       
   130 					{
       
   131 					errBuf.Format(_L("\r\nError set calendar conversion type %d\r\n"),err);
       
   132 					iDateLine.Append(errBuf);
       
   133 					}
       
   134 				else
       
   135 					{
       
   136 					iDateLine.Append(logLine);
       
   137 					iDateLine.Append(_L8("\r\n"));
       
   138 					iLogger.Write(iDateLine);
       
   139 					if	(iOutputFile.Write(iDateLine))
       
   140 						{
       
   141 						User::Leave(KErrCorrupt);
       
   142 						}
       
   143 					}
       
   144 				}
       
   145 			}
       
   146 		}
       
   147 	}
       
   148 
       
   149 void CConvertDates::OpenFilesL()
       
   150 	{
       
   151 	User::LeaveIfError(iInputFile.Open(iRFSession, KInputFile, EFileStreamText|EFileRead|EFileShareExclusive));
       
   152 	User::LeaveIfError(iOutputFile.Replace(iRFSession, KOutputFile, EFileStreamText|EFileWrite|EFileShareExclusive));
       
   153 	}
       
   154 
       
   155 void CConvertDates::GetCalL(TDes8& aDateToConvert)
       
   156 	{
       
   157 	TInt dateError;
       
   158 	TDateTime dt(0,EJanuary,0,0,0,0,0);
       
   159 	TLex8 lexCycle(aDateToConvert.Mid(KCycleOffset,KCycleLen));
       
   160 	TLex8 lexYear(aDateToConvert.Mid(KYearOffset,KYearLen));
       
   161 	TLex8 lexMonth(aDateToConvert.Mid(KMnthOffset,KMonthLen));
       
   162 //	TLex8 lexLeapMonth(aDateToConvert.Mid(KLeapMonthOffset,KLeapMonthLen));
       
   163 	TLex8 lexDay(aDateToConvert.Mid(KDyOffset,KDayLen));
       
   164 
       
   165 	// get cycle
       
   166 	if	(lexCycle.Val(iChinDateOut.iCycle) != KErrNone)
       
   167 		{
       
   168 		User::Leave(KErrCorrupt);
       
   169 		}
       
   170 	// get year
       
   171 	if	(lexYear.Val(iArithDateOut.iYear) != KErrNone)
       
   172 		{
       
   173 		User::Leave(KErrGeneral);
       
   174 		}
       
   175 	iChinDateOut.iYear = iArithDateOut.iYear;
       
   176 	// get month
       
   177 	if	(lexMonth.Val(iArithDateOut.iMonth) != KErrNone)
       
   178 		{
       
   179 		User::Leave(KErrGeneral);
       
   180 		}
       
   181 	iChinDateOut.iMonth = iArithDateOut.iMonth;
       
   182 	// get leap month
       
   183 	if	(aDateToConvert[KLeapMonthOffset] == 't')
       
   184 		{
       
   185 		iChinDateOut.iLeapMonth = ETrue;
       
   186 		}
       
   187 	else
       
   188 		{
       
   189 		iChinDateOut.iLeapMonth = EFalse;
       
   190 		}
       
   191 	// get day
       
   192 	if	(lexDay.Val(iArithDateOut.iDay) != KErrNone)
       
   193 		{
       
   194 		User::Leave(KErrCorrupt);
       
   195 		}
       
   196 	iChinDateOut.iDay = iArithDateOut.iDay;
       
   197 
       
   198 
       
   199 	switch(aDateToConvert[KFromOffset])
       
   200 		{
       
   201 	case 'g':
       
   202 		iCalTypeFrom = EGreg;
       
   203 		dateError = iGreg.SetDate(iArithDateOut);
       
   204 		iGreg.GregorianToDateTime(dt);
       
   205 		iGreg.DateTimeToGregorian(dt);
       
   206 		break;
       
   207 	case 'c':
       
   208 		iCalTypeFrom = EChin;
       
   209 		dateError = iChin.SetDate(iChinDateOut);
       
   210 		iChin.ChineseToDateTime(dt);
       
   211 		iChin.DateTimeToChinese(dt);
       
   212 		break;
       
   213 	default:
       
   214 		dateError = KErrCorrupt;
       
   215 		break;
       
   216 		}
       
   217 
       
   218 	if	(dateError)
       
   219 		User::Leave(dateError);
       
   220 
       
   221 	switch(aDateToConvert[KToOffset])
       
   222 		{
       
   223 	case 'g':
       
   224 		iCalTypeTo = EGreg;
       
   225 		break;
       
   226 	case 'c':
       
   227 		iCalTypeTo = EChin;
       
   228 		break;
       
   229 	default:
       
   230 		break;
       
   231 		}
       
   232 	}
       
   233 
       
   234 void CConvertDates::Cal1ToCal2() const
       
   235 	{
       
   236 	switch(iCalTypeFrom)
       
   237 		{
       
   238 	case EGreg:
       
   239 		{
       
   240 		switch(iCalTypeTo)
       
   241 			{
       
   242 		case EChin:
       
   243 			(TCalendar&)(iChin) = (TCalendar&)(iGreg);
       
   244 			break;
       
   245 		default:
       
   246 			break;
       
   247 			}
       
   248 		}
       
   249 		break;
       
   250 	case EChin:
       
   251 		{
       
   252 	switch(iCalTypeTo)
       
   253 		{
       
   254 		case EGreg:
       
   255 			(TCalendar&)(iGreg) = (TCalendar&)(iChin);
       
   256 			break;
       
   257 		default:
       
   258 			break;
       
   259 		}
       
   260 		}
       
   261 		break;
       
   262 	default:
       
   263 		break;
       
   264 	}
       
   265 	}
       
   266 
       
   267 void CConvertDates::SetCalL(TDes8& aConvertedDate)
       
   268 	{
       
   269 	TArithmeticalDate Date;
       
   270 	TChineseDate ChinDate;
       
   271 	TBuf8<KYearLen> TempDate;
       
   272 
       
   273 	switch(iCalTypeFrom)
       
   274 		{
       
   275 	case EGreg:
       
   276 		{
       
   277 		switch(iCalTypeTo)
       
   278 			{
       
   279 		case EChin:
       
   280 			iChin.GetDate(ChinDate);
       
   281 			break;
       
   282 		default:
       
   283 			break;
       
   284 			}
       
   285 		}
       
   286 		break;
       
   287 	case EChin:
       
   288 		{
       
   289 		switch(iCalTypeTo)
       
   290 			{
       
   291 		case EGreg:
       
   292 			iGreg.GetDate(Date);
       
   293 			TempDate.Copy(_L("greg "));
       
   294 		default:
       
   295 			break;
       
   296 			}
       
   297 		}
       
   298 		break;
       
   299 	default:
       
   300 		break;
       
   301 		}
       
   302 
       
   303 	if	(iCalTypeTo == EChin)
       
   304 		{
       
   305 		TBuf8<10> TempFormatStr;
       
   306 
       
   307 		TempFormatStr.FillZ();
       
   308 		TempFormatStr.Format(_L8("%%0%dd"),KCycleLen);
       
   309 		TempDate.FillZ();
       
   310 		TempDate.Format(TempFormatStr,ChinDate.iCycle);
       
   311 		aConvertedDate.Append(KResult);
       
   312 		aConvertedDate.Append(TempDate);
       
   313 		aConvertedDate.Append(KSpace);
       
   314 
       
   315 		TempDate.FillZ();
       
   316 		TempDate.Format(_L8("+"));
       
   317 		aConvertedDate.Append(TempDate);
       
   318 
       
   319 		TempFormatStr.FillZ();
       
   320 		TempFormatStr.Format(_L8("%%0%dd"),KYearLen - KSignLen);
       
   321 		TempDate.FillZ();
       
   322 		TempDate.Format(TempFormatStr,ChinDate.iYear);
       
   323 		aConvertedDate.Append(TempDate);
       
   324 		aConvertedDate.Append(KSpace);
       
   325 
       
   326 		TempFormatStr.FillZ();
       
   327 		TempFormatStr.Format(_L8("%%0%dd"),KMonthLen);
       
   328 		TempDate.FillZ();
       
   329 		TempDate.Format(TempFormatStr,ChinDate.iMonth);
       
   330 		aConvertedDate.Append(TempDate);
       
   331 		aConvertedDate.Append(KSpace);
       
   332 
       
   333 		TempDate.FillZ();
       
   334 		if	(ChinDate.iLeapMonth == EFalse)
       
   335 			{
       
   336 			TempDate.Format(_L8("f"));
       
   337 			}
       
   338 		else
       
   339 			{
       
   340 			TempDate.Format(_L8("t"));
       
   341 			}
       
   342 		aConvertedDate.Append(TempDate);
       
   343 		aConvertedDate.Append(KSpace);
       
   344 
       
   345 		TempFormatStr.FillZ();
       
   346 		TempFormatStr.Format(_L8("%%0%dd"),KDayLen);
       
   347 		TempDate.FillZ();
       
   348 		TempDate.Format(TempFormatStr,ChinDate.iDay);
       
   349 		aConvertedDate.Append(TempDate);
       
   350 		}
       
   351 	else
       
   352 		{
       
   353 		TBuf8<10> TempFormatStr;
       
   354 
       
   355 		if	(Date.iYear >= KFirstYear)
       
   356 			{
       
   357 			TempDate.Format(_L8("+"));
       
   358 			}
       
   359 		else
       
   360 			{
       
   361 			TempDate.Format(_L8("-"));
       
   362 			}
       
   363 		aConvertedDate.Append(KResult);
       
   364 		aConvertedDate.Append(TempDate);
       
   365 
       
   366 		TempFormatStr.FillZ();
       
   367 		TempFormatStr.Format(_L8("%%0%dd"),KYearLen - KSignLen);
       
   368 		TempDate.FillZ();
       
   369 		if	(Date.iYear >= KFirstYear)
       
   370 			{
       
   371 			TempDate.Format(TempFormatStr,Date.iYear);
       
   372 			}
       
   373 		else
       
   374 			{
       
   375 			TempDate.Format(TempFormatStr,-Date.iYear);
       
   376 			}
       
   377 		aConvertedDate.Append(TempDate);
       
   378 		aConvertedDate.Append(KSpace);
       
   379 
       
   380 		TempFormatStr.FillZ();
       
   381 		TempFormatStr.Format(_L8("%%0%dd"),KMonthLen);
       
   382 		TempDate.FillZ();
       
   383 		TempDate.Format(TempFormatStr,Date.iMonth);
       
   384 		aConvertedDate.Append(TempDate);
       
   385 		aConvertedDate.Append(KSpace);
       
   386 
       
   387 		TempFormatStr.FillZ();
       
   388 		TempFormatStr.Format(_L8("%%0%dd"),KDayLen);
       
   389 		TempDate.FillZ();
       
   390 		TempDate.Format(TempFormatStr,Date.iDay);
       
   391 		aConvertedDate.Append(TempDate);
       
   392 		}
       
   393 	}
       
   394 
       
   395 //
       
   396 // Read line of test from file
       
   397 //
       
   398 TInt CConvertDates::ReadLine()
       
   399     {
       
   400     TInt err = KErrNone;
       
   401 
       
   402     //  Read into the buffer
       
   403     TBuf8<256> buffer;              // Max read of the Read() function..    
       
   404     iDateLine.Zero();
       
   405 
       
   406     //  Get the current file position
       
   407     TInt filePos = 0;
       
   408     iInputFile.Seek(ESeekCurrent, filePos);
       
   409 
       
   410     //  Read the buffer
       
   411     err = iInputFile.Read(buffer);
       
   412     
       
   413     //end of file?
       
   414     TInt s = buffer.Length();
       
   415     if	( s == 0)
       
   416         {
       
   417         err = KErrEof;
       
   418         }
       
   419 
       
   420     if	(err == KErrNone)
       
   421         {
       
   422         //  Copy to the lfcr and then set the file pointer
       
   423         //  to the point after that...
       
   424         TInt pos = buffer.Find(KImcvCRLF);
       
   425         if	( pos != -1)
       
   426             {
       
   427             iDateLine.Justify(buffer, pos, ELeft, ' ');
       
   428             filePos += (pos+2);
       
   429 
       
   430             //  Set the file pointer back to after the lfcr..
       
   431             iInputFile.Seek(ESeekStart, filePos);                
       
   432             }
       
   433         //  Else fill the whole buffer 256 chars..
       
   434         else
       
   435             {
       
   436             iDateLine.Copy(buffer);
       
   437             }
       
   438         }
       
   439     return err;
       
   440     }