author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Wed, 15 Sep 2010 00:39:40 +0300 | |
branch | RCL_3 |
changeset 60 | dd58c6eee052 |
parent 0 | 1fb32624e06b |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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|
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|
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#include "NumberConversion.h" |
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#include "NumberConversionImp.h" |
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|
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enum TNumConvPanic |
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{ |
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ENumConvPanicInvalidDigitType = 1, |
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}; |
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|
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#ifdef _DEBUG |
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LOCAL_D void Panic(TNumConvPanic aPanicCode) |
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// |
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// Panic the thread with NumberConversion as the category |
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// |
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{ |
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_LIT(KPanicNumConv, "NumConv"); |
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User::Panic(KPanicNumConv, aPanicCode); |
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} |
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#endif //_DEBUG |
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|
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// TStandardDigitMatch |
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|
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/** |
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Length required to format KMinTInt in the longest number format |
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@internalComponent |
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*/ |
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const TInt KMaxLengthOfFormattedNumber = 11; |
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|
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_LIT(KDefaultDigit,"0"); |
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_LIT(KFormatIdentifier,"%"); |
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|
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TInt StandardDigitMatch::Match(const TDesC& aText, TInt& aLength, |
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TDigitType& aDigitType, NumberConversion::TDigitMatchType aDigitMatchType) |
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{ |
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TInt total = 0; |
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|
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aDigitType = EDigitTypeUnknown; |
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TDigitType currentDigitType = EDigitTypeUnknown; |
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aLength = 0; |
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TInt textLength = aText.Length(); |
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while (aLength < textLength) |
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{ |
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TChar currentChar = aText[aLength]; |
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currentDigitType = DigitType(currentChar); |
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if (currentDigitType == EDigitTypeUnknown) |
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{ |
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return total; |
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} |
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TInt digit = 0; |
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TUint charValue = currentChar; |
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digit = charValue - currentDigitType; |
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if (aDigitType == EDigitTypeUnknown) |
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{ |
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aDigitType = currentDigitType; |
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} |
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else |
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{ |
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if (aDigitType != currentDigitType) |
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{ |
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if (aDigitMatchType == NumberConversion::EMatchMultipleTypes) |
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{ |
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aDigitType = EDigitTypeAllTypes; |
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} |
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else |
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{ |
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return total; |
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} |
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} |
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} |
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|
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total = (total * 10) + digit; |
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aLength++; |
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} |
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return total; |
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} |
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|
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TInt StandardDigitMatch::LeadingZeros(const TDesC& aText) |
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{ |
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//Function to find the number of leading zeros |
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TInt textLength = aText.Length(); |
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TInt numOfLeadingZeros = 0; |
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TInt currentLength = 0; |
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TDigitType currentDigitType = EDigitTypeUnknown; |
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TBool leadingZeros = ETrue; |
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102 |
|
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if (textLength == 1) |
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return numOfLeadingZeros; // No leading number, if only one number. |
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105 |
|
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106 |
while(currentLength < textLength) |
1fb32624e06b
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parents:
diff
changeset
|
107 |
{ |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
108 |
TChar currentChar = aText[currentLength]; |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
109 |
currentDigitType = DigitType(currentChar); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
110 |
if (currentDigitType == EDigitTypeUnknown) |
1fb32624e06b
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parents:
diff
changeset
|
111 |
{ |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
112 |
return numOfLeadingZeros; |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
113 |
} |
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parents:
diff
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|
114 |
TInt digit = 0; |
1fb32624e06b
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parents:
diff
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|
115 |
TUint charValue = currentChar; |
1fb32624e06b
Revision: 201003
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parents:
diff
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|
116 |
digit = charValue - currentDigitType; |
1fb32624e06b
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parents:
diff
changeset
|
117 |
|
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Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
118 |
if (digit!=0 && leadingZeros) |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
119 |
leadingZeros=EFalse; |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
120 |
if(leadingZeros) |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
121 |
numOfLeadingZeros++; |
1fb32624e06b
Revision: 201003
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parents:
diff
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|
122 |
currentLength++; |
1fb32624e06b
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parents:
diff
changeset
|
123 |
} |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
124 |
return numOfLeadingZeros; |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
125 |
|
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parents:
diff
changeset
|
126 |
} |
1fb32624e06b
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parents:
diff
changeset
|
127 |
|
1fb32624e06b
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parents:
diff
changeset
|
128 |
TDigitType StandardDigitMatch::DigitType(TChar aChar) |
1fb32624e06b
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parents:
diff
changeset
|
129 |
{ |
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Revision: 201003
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parents:
diff
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|
130 |
if (aChar >= EDigitTypeWestern && aChar < EDigitTypeWestern+10) |
1fb32624e06b
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parents:
diff
changeset
|
131 |
{ |
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Revision: 201003
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parents:
diff
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|
132 |
return EDigitTypeWestern; |
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parents:
diff
changeset
|
133 |
} |
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Revision: 201003
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parents:
diff
changeset
|
134 |
if (aChar >= EDigitTypeArabicIndic && aChar < EDigitTypeArabicIndic+10) |
1fb32624e06b
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parents:
diff
changeset
|
135 |
{ |
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Revision: 201003
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parents:
diff
changeset
|
136 |
return EDigitTypeArabicIndic; |
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parents:
diff
changeset
|
137 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
138 |
if (aChar >= EDigitTypeEasternArabicIndic |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
139 |
&& aChar < EDigitTypeEasternArabicIndic+10) |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
140 |
{ |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
141 |
return EDigitTypeEasternArabicIndic; |
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parents:
diff
changeset
|
142 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
143 |
if (aChar >= EDigitTypeDevanagari && aChar < EDigitTypeDevanagari+10) |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
144 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
145 |
return EDigitTypeDevanagari; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
146 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
147 |
if (aChar >= EDigitTypeBengali && aChar < EDigitTypeBengali+10) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
148 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
149 |
return EDigitTypeBengali; |
1fb32624e06b
Revision: 201003
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parents:
diff
changeset
|
150 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
151 |
if (aChar >= EDigitTypeGurmukhi && aChar < EDigitTypeGurmukhi+10) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
152 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
153 |
return EDigitTypeGurmukhi; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
154 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
155 |
if (aChar >= EDigitTypeGujarati && aChar < EDigitTypeGujarati+10) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
156 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
157 |
return EDigitTypeGujarati; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
158 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
159 |
if (aChar >= EDigitTypeOriya && aChar < EDigitTypeOriya+10) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
160 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
161 |
return EDigitTypeOriya; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
162 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
163 |
if (aChar >= EDigitTypeTamil && aChar < EDigitTypeTamil+10) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
164 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
165 |
return EDigitTypeTamil; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
166 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
167 |
if (aChar >= EDigitTypeTelugu && aChar < EDigitTypeTelugu+10) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
168 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
169 |
return EDigitTypeTelugu; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
170 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
171 |
if (aChar >= EDigitTypeKannada && aChar < EDigitTypeKannada+10) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
172 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
173 |
return EDigitTypeKannada; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
174 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
175 |
if (aChar >= EDigitTypeMalayalam && aChar < EDigitTypeMalayalam+10) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
176 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
177 |
return EDigitTypeMalayalam; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
178 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
179 |
if (aChar >= EDigitTypeThai && aChar < EDigitTypeThai+10) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
180 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
181 |
return EDigitTypeThai; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
182 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
183 |
if (aChar >= EDigitTypeLao && aChar < EDigitTypeLao+10) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
184 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
185 |
return EDigitTypeLao; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
186 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
187 |
if (aChar >= EDigitTypeTibetan && aChar < EDigitTypeTibetan+10) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
188 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
189 |
return EDigitTypeTibetan; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
190 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
191 |
if (aChar >= EDigitTypeTibetan && aChar < EDigitTypeTibetan+20) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
192 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
193 |
return EDigitTypeTibetan; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
194 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
195 |
if (aChar >= EDigitTypeMayanmar && aChar < EDigitTypeMayanmar+10) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
196 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
197 |
return EDigitTypeMayanmar; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
198 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
199 |
if (aChar >= EDigitTypeKhmer && aChar < EDigitTypeKhmer+10) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
200 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
201 |
return EDigitTypeKhmer; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
202 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
203 |
return EDigitTypeUnknown; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
204 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
205 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
206 |
void StandardDigitMatch::AppendFormat(TDes& aText, TInt aNumber, |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
207 |
TDigitType aDigitType) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
208 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
209 |
TInt base = aDigitType; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
210 |
|
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if (base != EDigitTypeUnknown) |
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{ |
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TInt length = aText.Length(); |
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TInt number = aNumber; |
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TBuf<1> digitText(KDefaultDigit); |
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do |
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{ |
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digitText[0] = (TUint16)((number % 10) + base); |
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aText.Insert(length, digitText); |
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number /= 10; |
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} while (number > 0); |
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} |
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} |
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|
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TInt StandardDigitMatch::LengthOfFormattedNumber(TInt aNumber) |
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{ |
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TInt length = 0; |
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do |
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{ |
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length++; |
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aNumber /= 10; |
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} while (aNumber > 0); |
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return length; |
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} |
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235 |
|
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236 |
|
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237 |
|
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|
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// NumberConversion |
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|
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EXPORT_C TInt NumberConversion::ConvertFirstNumber(const TDesC& aText, |
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TInt& aLength, TDigitType& aDigitType, TDigitMatchType aDigitMatchType) |
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/** |
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Converts the descriptor aText into an integer and returns it. Ignores any minus |
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signs: only non-negative numbers are returned. |
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|
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@param aText Input text containing the integer to be converted. |
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@param aLength On exit aLength is set to the number of characters converted |
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from the descriptor. |
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@param aDigitType Returns the digit type of the number converted. If no |
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characters are matched, aDigitType will be set to EDigitTypeUnknown. |
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@param aDigitMatchType If aDigitMatchType is set to EMatchMultipleTypes, |
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different number types in the descriptor are matched and returned as a single |
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number. In this case, aDigitType will be set to EDigitTypeAllTypes. |
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@return The (non-negative) number found. |
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*/ |
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257 |
{ |
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return StandardDigitMatch::Match(aText, aLength, aDigitType, aDigitMatchType); |
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} |
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|
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EXPORT_C TInt NumberConversion::PositionAndTypeOfNextNumber(const TDesC& aText, |
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TDigitType& aDigitType, TInt aStartFrom) |
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/** |
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Finds the position and type of the next number in the descriptor. If the number |
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has a preceeding minus sign, it will be ignored and the position of the first |
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digit will be returned. |
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|
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@param aText Text to be searched. |
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@param aStartFrom First position within aText to be searched. |
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@param aDigitType aDigitType is set to the digit type matched. If the |
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descriptor doesn't contain a recognisable digit, aDigitType is set to |
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EDigitTypeUnknown. |
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@return The index of the first character. |
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*/ |
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{ |
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TInt index = aStartFrom; |
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TInt length = aText.Length(); |
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while (index < length) |
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{ |
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TChar currentChar(aText[index]); |
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aDigitType = StandardDigitMatch::DigitType(currentChar); |
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if (aDigitType != EDigitTypeUnknown) |
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{ |
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return index; |
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} |
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index++; |
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} |
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return KErrNotFound; |
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} |
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290 |
|
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EXPORT_C void NumberConversion::FormatNumber(TDes& aText, TInt aNumber, |
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TDigitType aDigitType) |
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/** |
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Converts a non-negative integer into localised text. |
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@param aText Output for the converted number. aText must be long enough to |
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accommodate the text or the descriptor will panic. Negative numbers are not |
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supported. |
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@param aNumber The number to be converted. |
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@param aDigitType The type of digit to render the number in. |
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@pre NumberConversion::LengthOfFormattedNumber(aNumber, aDigitType) <= aText.MaxLength() && 0 <= aNumber |
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*/ |
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{ |
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aText.Zero(); |
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AppendFormatNumber(aText, aNumber, aDigitType); |
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} |
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306 |
|
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EXPORT_C void NumberConversion::FormatDigit(TDes& aText, TInt aNumber, TInt aLeadingZero, |
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TDigitType aDigitType) |
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/** |
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Converts a non-negative integer into localised text. |
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311 |
|
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@param aText Output for the converted number. aText must be long enough to |
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accommodate the text or the descriptor will panic. Negative numbers are not |
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supported. |
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@param aNumber The number to be converted. |
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@param aDigitType The type of digit to render the number in. |
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@param aLeadingZero The number of zeros that appear before the number to be |
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converted to localised text. |
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@pre NumberConversion::LengthOfFormattedNumber(aNumber, aDigitType) <= aText.MaxLength() && 0 <= aNumber |
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*/ |
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321 |
{ |
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aText.Zero(); |
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AppendFormatNumber(aText, aNumber, aDigitType); |
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324 |
|
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// Insert the zeros |
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if(aLeadingZero) |
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327 |
{ |
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TChar zero = aDigitType; |
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TBuf<1> zeroBuf; |
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zeroBuf.Append(zero); |
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for (TInt i=0; i<aLeadingZero; i++) |
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332 |
{ |
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aText.Insert(0,zeroBuf); |
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} |
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335 |
} |
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336 |
} |
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337 |
|
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EXPORT_C void NumberConversion::AppendFormatNumber(TDes& aText, TInt aNumber, |
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TDigitType aDigitType) |
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340 |
/** |
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341 |
Converts a non-negative integer into localised text, appending the result to a |
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342 |
descriptor. |
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343 |
|
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@param aText Output for the converted number. aText must have enough free space |
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after its current length to accommodate the text or the descriptor will panic. |
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Negative numbers are not supported. |
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@param aNumber The number to be converted. |
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@param aDigitType The type of digit to render the number in. |
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@pre NumberConversion::LengthOfFormattedNumber(aNumber, aDigitType) <= aText.MaxLength() - aText.Length() && 0 <= aNumber |
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350 |
*/ |
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351 |
{ |
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StandardDigitMatch::AppendFormat(aText, aNumber, aDigitType); |
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353 |
} |
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354 |
|
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355 |
EXPORT_C void NumberConversion::ConvertDigits(TDes& aText, |
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TDigitType aDigitType) |
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357 |
/** |
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358 |
Converts all of the digits in the descriptor aText into the format specified in |
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aDigitType. |
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360 |
|
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@param aText The text that is to have its digits converted. |
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@param aDigitType The digit type to be converted to. |
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@pre NumberConversion::LengthOfConvertedText(aText, aDigitType) <= aText.MaxLength() |
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@post All digits in the string will either conform to one of the constants |
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defined in enum TDigitType or will match the digit type |
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supplied in aDigitType. |
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367 |
*/ |
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368 |
{ |
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TInt charValue; |
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for (TInt i=0; i < aText.Length(); i++) |
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371 |
{ |
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if ( (charValue = static_cast<TChar>(aText[i]).GetNumericValue()) >= 0) |
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373 |
{ |
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TBuf<1> convertedNumber; |
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FormatNumber(convertedNumber, charValue, aDigitType); |
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aText.Delete(i, 1); |
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aText.Insert(i, convertedNumber); |
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378 |
} |
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379 |
} |
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380 |
} |
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|
381 |
|
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382 |
EXPORT_C TInt NumberConversion::LengthOfFormattedNumber(TInt aNumber, |
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TDigitType /*aDigitType*/) |
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384 |
/** |
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Returns the number of characters required to format aNumber into text. |
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@param aNumber The number to be converted. |
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@param aDigitType The format for the number. |
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@return The length of descriptor required to render the number as text. |
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389 |
*/ |
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390 |
{ |
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391 |
return StandardDigitMatch::LengthOfFormattedNumber(aNumber); |
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392 |
} |
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393 |
|
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394 |
EXPORT_C TInt NumberConversion::LengthOfConvertedText(const TDesC& aText, |
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TDigitType aDigitType) |
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396 |
/** |
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397 |
Returns the length of the descriptor required to hold text with its digits |
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398 |
converted. |
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399 |
|
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@param aText Input text for the conversion. |
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401 |
@param aDigitType The type of digit that will be used for the conversion. |
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@return The length of descriptor that would be required to convert the digits |
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403 |
in aText into the type specified by aDigitType. |
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404 |
*/ |
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405 |
{ |
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TDigitType digitType = EDigitTypeUnknown; |
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407 |
TInt position = PositionAndTypeOfNextNumber(aText, digitType); |
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408 |
TInt total = aText.Length(); |
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409 |
while (digitType != EDigitTypeUnknown) |
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|
410 |
{ |
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411 |
// Convert this number into a different format |
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412 |
TInt length = 0; |
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413 |
TPtrC matchText = aText.Mid(position); |
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414 |
TInt number = ConvertFirstNumber(matchText, length, digitType); |
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total -= length; |
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|
416 |
total += LengthOfFormattedNumber(number, aDigitType); |
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Revision: 201003
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417 |
position = PositionAndTypeOfNextNumber(aText, digitType, |
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|
418 |
position + length); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
419 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
420 |
return total; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
421 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
422 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
423 |
EXPORT_C void NumberConversion::Format(TDigitType aDigitType, |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
424 |
TRefByValue<TDes> aFmt,...) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
425 |
/** |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
426 |
Formats the descriptor. Format specifiers are converted to values passed in the |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
427 |
variable argument list. The following format specifiers are supported: |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
428 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
429 |
%d - Interprets the argument as a TInt and formats it using the aDigitType |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
430 |
format. Negative numbers are not supported. |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
431 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
432 |
%S - Interprets the argument as a pointer to a TDesC and inserts it into the |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
433 |
descriptor. |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
434 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
435 |
@param aDigitType The digit type for all %d directives. |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
436 |
*/ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
437 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
438 |
VA_LIST argument_list; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
439 |
VA_START(argument_list, aFmt); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
440 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
441 |
TDes& format = aFmt; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
442 |
TInt match = KErrNotFound; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
443 |
while ((match = format.Find(KFormatIdentifier)) != KErrNotFound) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
444 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
445 |
TChar formatIdentifier = format[match+1]; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
446 |
switch (formatIdentifier) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
447 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
448 |
case 'd': |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
449 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
450 |
format.Delete(match,2); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
451 |
TInt number = VA_ARG(argument_list, int); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
452 |
TBuf<KMaxLengthOfFormattedNumber> convertedNumber; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
453 |
FormatNumber(convertedNumber, number, aDigitType); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
454 |
format.Insert(match, convertedNumber); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
455 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
456 |
break; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
457 |
case 'S': |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
458 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
459 |
format.Delete(match,2); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
460 |
TDesC* des = VA_ARG(argument_list, TDesC*); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
461 |
format.Insert(match, *des); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
462 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
463 |
break; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
464 |
default: |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
465 |
// Remove format identifier |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
466 |
format.Delete(match,1); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
467 |
}; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
468 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
469 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
470 |
VA_END(argument_list); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
471 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
472 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
473 |
EXPORT_C TChar NumberConversion::ConvertDigit(TChar& aDigit, TDigitType aDigitType) |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
474 |
/** |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
475 |
converts aDigit (which could be arabic, western digit etc) into the form |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
476 |
denoted by aDigitType. |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
477 |
|
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
478 |
@param TChar& aDigit - contains the digit to be converted. |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
479 |
@param TDigitType aDigitType - aDigit type: western, arabic, thai, ... |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
480 |
@return Digit into the form, denoted by aDigitType. |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
481 |
*/ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
482 |
{ |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
483 |
__ASSERT_DEBUG(EDigitTypeUnknown != aDigitType && EDigitTypeAllTypes != aDigitType, |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
484 |
Panic(ENumConvPanicInvalidDigitType)); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
485 |
TBuf<1> buf; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
486 |
buf.Append(aDigit); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
487 |
NumberConversion::ConvertDigits(buf, aDigitType); |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
488 |
return buf[0]; |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
489 |
} |
1fb32624e06b
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
490 |