--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/fep/aknfep/src/aknfepzhuyinconvertion.cpp Tue Feb 02 01:02:04 2010 +0200
@@ -0,0 +1,487 @@
+/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0""
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+ * Provides the TZhuyinSymbolsMethods definition
+ *
+*/
+
+
+
+
+
+
+
+
+
+
+
+
+#include "aknfepzhuyinconvertion.h"
+
+_LIT(KFullStop, "\x002E");
+_LIT(KToneMark0, "\x0020");
+_LIT(KToneMark1, "\x02CA");
+_LIT(KToneMark2, "\x02C7");
+_LIT(KToneMark3, "\x02CB");
+_LIT(KToneMark4, "\x02D9");
+
+const TInt KMinZhuyinUnicode = 0x3105;
+const TInt KMaxZhuyinUnicode = 0x3129;
+const TInt KMaxBufLen = 100;
+const TInt KMaxChineseCount = 7;
+
+// ---------------------------------------------------------
+// Convert aArray to a descriptor outputed through aOutDes.
+// ---------------------------------------------------------
+//
+TInt TZhuyinSymbolsMethods::Convert2Des ( CDesCArrayFlat* aArray, TDes& aOutDes )
+ {
+ TInt bufLen = 0;
+ TInt i = 0;
+ for ( ; i < aArray->Count(); i++ )
+ {
+ bufLen = bufLen + aArray->MdcaPoint(i).Length();
+ if ( bufLen > KMaxBufLen )
+ {
+ return i;
+ }
+ aOutDes.Append(aArray->MdcaPoint(i));
+ }
+ return i;
+ }
+
+// ---------------------------------------------------------
+// Update the content in eep control.
+// ---------------------------------------------------------
+//
+TBool TZhuyinSymbolsMethods::UpdateEEPContent(
+ CPtiEngine* aPtiengine,
+ CAknFepZhuyinAnalyser* aAnalyser,
+ CDesCArrayFlat* aZhuyinSymbols,
+ CDesCArrayFlat* aChineseDisped,
+ CDesCArrayFlat* aCandidateList,
+ TDes& aOutDes,
+ TBool& aPhraseCreation)
+ {
+ TBool rnt = EFalse;
+ TRAPD( ret, rnt = UpdateEEPContentL( aPtiengine,
+ aAnalyser,
+ aZhuyinSymbols,
+ aChineseDisped,
+ aCandidateList,
+ aOutDes,
+ aPhraseCreation ) );
+ if ( KErrNone != ret )
+ {
+ return EFalse;
+ }
+
+ return rnt;
+ }
+
+// ---------------------------------------------------------
+// clean.
+// ---------------------------------------------------------
+//
+void CleanArray( TAny* aAny )
+ {
+ RPointerArray<HBufC>* implArray =
+ reinterpret_cast< RPointerArray<HBufC>*> ( aAny );
+ implArray->ResetAndDestroy();
+ implArray->Close();
+ }
+
+
+// ---------------------------------------------------------
+// Update the content in eep control.
+// ---------------------------------------------------------
+//
+TBool TZhuyinSymbolsMethods::UpdateEEPContentL(
+ CPtiEngine* aPtiengine,
+ CAknFepZhuyinAnalyser* aAnalyser,
+ CDesCArrayFlat* aZhuyinSymbols,
+ CDesCArrayFlat* aChineseDisped,
+ CDesCArrayFlat* aCandidateList,
+ TDes& aOutDes,
+ TBool& aPhraseCreation)
+ {
+ TBuf<KMaxBufLen> buf;
+ Convert2Des( aZhuyinSymbols, buf );
+ RPointerArray<HBufC> list;
+ TCleanupItem cleanitem( CleanArray, &list );
+ CleanupStack::PushL( cleanitem );
+
+ HBufC* retString = aPtiengine->GetCandidatesByInputString( buf, list,
+ EFalse );
+ if ( buf.Length() == 0 )
+ {
+ Convert2Des( aChineseDisped, aOutDes );
+ delete retString;
+ aCandidateList->Reset();
+ aCandidateList->Compress();
+ CleanupStack::PopAndDestroy();
+ return ETrue;
+ }
+
+ CleanupStack::PushL( retString );
+ TBool valid = aAnalyser->AnalyzeL( buf );
+
+ HBufC* showbuf = aAnalyser->LastAnalysisResult();
+ aCandidateList->Reset();
+ if ( retString->Compare( buf ) != 0 ||
+ retString->Compare( buf ) == 0 && aChineseDisped->Count() != 0 )
+ {
+ // Display the candidates for the 1st chinese character group.
+ aPhraseCreation = ETrue;
+ list.ResetAndDestroy();
+ TInt length = 0;
+ TInt i = 0;
+ for ( i = 0; i < showbuf->Length(); i++ )
+ {
+ if ( showbuf->Mid(i, 1).Compare(KFullStop) == 0 )
+ {
+ length = i;
+ break;
+ }
+ if ( showbuf->Mid(i, 1).Compare(KToneMark0) == 0
+ || showbuf->Mid(i, 1).Compare(KToneMark1) == 0
+ || showbuf->Mid(i, 1).Compare(KToneMark2) == 0
+ || showbuf->Mid(i, 1).Compare(KToneMark3) == 0
+ || showbuf->Mid(i, 1).Compare(KToneMark4) == 0 )
+ {
+ length = i + 1;
+ break;
+ }
+ }
+ if ( i == showbuf->Length())
+ {
+ length = i;
+ }
+ CleanupStack::PopAndDestroy( retString );
+ TPtrC tmp = showbuf->Left( length );
+ retString = aPtiengine->GetCandidatesByInputString( tmp, list, EFalse );
+ CleanupStack::PushL( retString );
+ for (TInt ii = 0; ii < list.Count(); ii++ )
+ {
+ aCandidateList->AppendL( *(list[ii]) );
+ }
+ }
+ else
+ {
+ aPhraseCreation = EFalse;
+ for (TInt i = 0; i < list.Count(); i++ )
+ {
+ aCandidateList->AppendL( *(list[i]) );
+ }
+ }
+ CleanupStack::Pop( retString );
+ CleanupStack::PopAndDestroy();
+ Convert2Des( aChineseDisped, aOutDes );
+ if ( !valid )
+ {
+ aOutDes.Append(buf);
+ }
+ else
+ aOutDes.Append(*showbuf);
+ delete retString;
+
+ if ( aZhuyinSymbols->Count() > 0
+ && ( aZhuyinSymbols->MdcaPoint(0).Compare(KToneMark0) == 0
+ || aZhuyinSymbols->MdcaPoint(0).Compare(KToneMark1) == 0
+ || aZhuyinSymbols->MdcaPoint(0).Compare(KToneMark2) == 0
+ || aZhuyinSymbols->MdcaPoint(0).Compare(KToneMark3) == 0
+ || aZhuyinSymbols->MdcaPoint(0).Compare(KToneMark4) == 0 ) )
+ {
+ valid = EFalse;
+ }
+
+ if ( aCandidateList->Count() != 0 && aOutDes.Length() == 1 )
+ {
+ valid = ETrue;
+ }
+ return valid;
+ }
+
+// ---------------------------------------------------------
+// Commit a chinese character from candidate list.
+// ---------------------------------------------------------
+//
+TBool TZhuyinSymbolsMethods::AppendChineseChar(
+ const TDes& aChinese,
+ CAknFepZhuyinAnalyser* aAnalyser,
+ CDesCArrayFlat* aZhuyinSymbols,
+ CDesCArrayFlat* aChineseDisped,
+ CDesCArrayFlat* aZhuyinSymbolsForChinese )
+ {
+ TBuf<KMaxBufLen> buf;
+ buf.Copy(aChinese);
+ if ( aChineseDisped->Count() >= KMaxChineseCount )
+ {
+ return ETrue;
+ }
+ buf.Zero();
+ Convert2Des(aZhuyinSymbols, buf);
+ TBool valid = EFalse;
+ TRAPD( err, valid = aAnalyser->AnalyzeL( buf ) );
+ if ( KErrNone != err )
+ {
+ return EFalse;
+ }
+
+ if ( !valid )
+ {
+ return EFalse;
+ }
+ else
+ {
+ HBufC* showbuf = aAnalyser->LastAnalysisResult();
+ TInt length = 0;
+ TInt i = 0;
+ for ( i = 0; i < showbuf->Length(); i++ )
+ {
+ if ( showbuf->Mid(i, 1).Compare(KFullStop) == 0 )
+ {
+ length = i;
+ break;
+ }
+ if ( showbuf->Mid(i, 1).Compare(KToneMark0) == 0
+ || showbuf->Mid(i, 1).Compare(KToneMark1) == 0
+ || showbuf->Mid(i, 1).Compare(KToneMark2) == 0
+ || showbuf->Mid(i, 1).Compare(KToneMark3) == 0
+ || showbuf->Mid(i, 1).Compare(KToneMark4) == 0 )
+ {
+ length = i + 1;
+ break;
+ }
+ }
+ if ( i == showbuf->Length())
+ {
+ length = i;
+ }
+ // update arrays
+ TRAPD( ret, aChineseDisped->AppendL(aChinese) );
+ if ( KErrNone != ret )
+ {
+ return EFalse;
+ }
+
+ TBuf<KMaxBufLen> tmpbuf;
+ for ( TInt ii = 0; ii < length; ii++ )
+ {
+ tmpbuf.Append(aZhuyinSymbols->MdcaPoint(ii));
+ }
+ TRAPD( ret1, aZhuyinSymbolsForChinese->AppendL(tmpbuf) );
+ if ( KErrNone != ret1 )
+ {
+ return EFalse;
+ }
+ aZhuyinSymbols->Delete(0, length);
+ if ( aChineseDisped->Count() >= KMaxChineseCount
+ || aZhuyinSymbols->Count() == 0 )
+ {
+ return ETrue;
+ }
+ else
+ {
+ return EFalse;
+ }
+ }
+ }
+
+// ---------------------------------------------------------
+// append the zhuyin symbol to the zhuyin array form zhuyin buf.
+// ---------------------------------------------------------
+//
+void TZhuyinSymbolsMethods::GetZhuyinSymbolsL(
+ CDesCArrayFlat* aZhuyinSymbols,
+ const TDesC& aInputBuf )
+ {
+ for ( TInt i = 0; i < aInputBuf.Length(); i++ )
+ {
+ aZhuyinSymbols->InsertL(i, aInputBuf.Mid(i,1));
+ }
+ }
+
+// ---------------------------------------------------------
+// Delete a chinese character from aChineseDisped array
+// and update related array in the meantime.
+// ---------------------------------------------------------
+//
+TBool TZhuyinSymbolsMethods::DeleteChineseChar(
+ CDesCArrayFlat* aZhuyinSymbols,
+ CDesCArrayFlat* aChineseDisped,
+ CDesCArrayFlat* aZhuyinSymbolsForChinese )
+ {
+ if ( aChineseDisped->Count() == 0 )
+ {
+ return EFalse;
+ }
+ TBuf<KMaxBufLen> buf;
+ buf.Append( aZhuyinSymbolsForChinese->MdcaPoint(
+ aZhuyinSymbolsForChinese->Count() - 1 ) );
+
+ TRAPD( ret, GetZhuyinSymbolsL( aZhuyinSymbols, buf ) );
+ if ( KErrNone != ret )
+ {
+ return EFalse;
+ }
+
+ aChineseDisped->Delete(aChineseDisped->Count() - 1);
+ aZhuyinSymbolsForChinese->Delete(aZhuyinSymbolsForChinese->Count() - 1);
+ return ETrue;
+ }
+
+// ---------------------------------------------------------
+// Delete a chinese character from aChineseDisped array
+// and update related array in the meantime.
+// ---------------------------------------------------------
+//
+TBool TZhuyinSymbolsMethods::DeleteZhuyinSymbol(
+ CDesCArrayFlat* aZhuyinSymbols,
+ TInt aKeyStroke
+ )
+ {
+ TInt delCount = 0;
+ if ( aKeyStroke == aZhuyinSymbols->Count() )
+ {
+ delCount++;
+ }
+ else if ( aKeyStroke < aZhuyinSymbols->Count() )
+ {
+ delCount++;
+ }
+ else
+ {
+ return EFalse;
+ }
+ aZhuyinSymbols->Delete( aKeyStroke-1, delCount );
+ return ETrue;
+ }
+
+// ---------------------------------------------------------
+// Refresh the cursor position according to the input parameters.
+// ---------------------------------------------------------
+//
+TInt TZhuyinSymbolsMethods::RefreshCursorPos (
+ TInt aChineseNum,
+ const TDes& aShownContent,
+ TInt aKeyStrokePos )
+ {
+ TInt cursorPos = aChineseNum;
+ TInt index = 0;
+ TInt count = 0;
+ if ( aShownContent.Length() - aChineseNum <= 0 )
+ {
+ return aChineseNum;
+ }
+
+ if ( 0 == aKeyStrokePos )
+ {
+ return aChineseNum;
+ }
+
+ TPtrC zhuyinShown = aShownContent.Right( aShownContent.Length() -
+ aChineseNum );
+
+ if ( zhuyinShown.Length() == 0 )
+ {
+ return aChineseNum;
+ }
+
+ for ( TInt i = 0; i < zhuyinShown.Length(); ++i )
+ {
+ if ( 0 != zhuyinShown.Mid( i, 1 ).Compare( KFullStop ) )
+ {
+ count = count + 1;
+ }
+ if ( aKeyStrokePos == count )
+ {
+ index = i + 1;
+ break;
+ }
+ }
+
+ return cursorPos + index;
+
+ }
+
+// ---------------------------------------------------------
+// Get the number of zhuyin symbol group.
+// ---------------------------------------------------------
+//
+TInt TZhuyinSymbolsMethods::GetChineseCount(const TDes& aShown)
+ {
+ TInt i = 0;
+ TInt count = 0;
+ for ( i = 0; i < aShown.Length(); i++ )
+ {
+ if ( aShown.Mid(i, 1).Compare(KFullStop) == 0
+ || aShown.Mid(i, 1).Compare(KToneMark0) == 0
+ || aShown.Mid(i, 1).Compare(KToneMark1) == 0
+ || aShown.Mid(i, 1).Compare(KToneMark2) == 0
+ || aShown.Mid(i, 1).Compare(KToneMark3) == 0
+ || aShown.Mid(i, 1).Compare(KToneMark4) == 0 )
+ {
+ count++;
+ }
+ }
+ if ( aShown.Right(1).Compare(KToneMark0) == 0
+ || aShown.Right(1).Compare(KToneMark1) == 0
+ || aShown.Right(1).Compare(KToneMark2) == 0
+ || aShown.Right(1).Compare(KToneMark3) == 0
+ || aShown.Right(1).Compare(KToneMark4) == 0 )
+ {
+ return count;
+ }
+ else
+ {
+ return count + 1;
+ }
+ }
+
+// ---------------------------------------------------------
+// Whether the aFirstPhrase is a Zhuyin symbol or not.
+// ---------------------------------------------------------
+//
+TBool TZhuyinSymbolsMethods::IsZhuyinSymbol( const TDesC& aFirstPhrase )
+ {
+ if ( aFirstPhrase.Length() > 1 )
+ {
+ return EFalse;
+ }
+
+ if ( aFirstPhrase[0] >= KMinZhuyinUnicode &&
+ aFirstPhrase[0] <= KMaxZhuyinUnicode )
+ {
+ return ETrue;
+ }
+ else
+ {
+ return EFalse;
+ }
+ }
+
+// ---------------------------------------------------------
+// Whether the aFirstPhrase is a Zhuyin symbol or not.
+// ---------------------------------------------------------
+//
+TBool TZhuyinSymbolsMethods::IsZhuyinSpelling(
+ const TDesC& /*aSymbol*/,
+ const TInt /*index*/,
+ CDesCArrayFlat* /*aZhuyinSymbols*/ )
+ {
+ return ETrue;
+ }
+
+// End of file