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1 /* |
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2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: A utility object to convert descriptors to |
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15 * VAS savable arrays and vise versa |
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16 * |
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17 */ |
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18 |
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19 |
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20 #include "rubydebug.h" |
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21 #include "desarrayconverter.h" |
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22 |
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23 /** |
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24 * Converts the stream data into the array of fixed size descriptors |
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25 * @param aSource 8-bit descriptor to convert |
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26 */ |
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27 CArrayFixFlat<NssRRDText>* CDesArrayConverter::DesC8ToArrayLC( |
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28 const TDesC8& aSource ) |
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29 { |
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30 NssRRDText buf; |
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31 |
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32 const TInt fieldSize = buf.MaxLength(); |
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33 TInt textFieldCount = aSource.Length() / fieldSize; |
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34 if( aSource.Length() % fieldSize != 0 ) |
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35 { |
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36 textFieldCount++; |
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37 } |
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38 RUBY_DEBUG1( "CDesArrayConverter::DesC8ToArrayLC [%d] slots are needed \ |
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39 to store the streamed command", textFieldCount ); |
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40 |
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41 |
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42 CArrayFixFlat<NssRRDText>* array = new (ELeave) CArrayFixFlat<NssRRDText>( textFieldCount ); |
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43 CleanupStack::PushL( array ); |
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44 |
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45 TInt appendedSize = fieldSize; |
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46 for( TInt i(0); i < textFieldCount; i++ ) |
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47 { |
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48 // the last piece |
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49 if( i == textFieldCount - 1 ) |
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50 { |
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51 appendedSize = aSource.Length() - fieldSize * i; |
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52 } |
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53 buf.Copy( aSource.Mid( fieldSize*i, appendedSize ) ); |
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54 array->AppendL( buf ); |
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55 } |
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56 return array; |
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57 } |
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58 |
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59 /** |
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60 * Constructs Des8 descriptor from the given array slice. Almost a |
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61 * counterpart of the DesC8ToArrayLC |
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62 * @param aArray Array to convert |
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63 * @param aStartIndex First element to convert. Zero-based |
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64 * @param aCount number of elements to convert. |
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65 * @leave KErrArgument if aStartIndex or aCount are out of the array bounds |
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66 */ |
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67 TDesC8* CDesArrayConverter::ArrayToDesC8LC( const CArrayFixFlat<NssRRDText>& aArray, |
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68 TInt aStartIndex, TInt aCount ) |
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69 { |
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70 __ASSERT_ALWAYS( aStartIndex < aArray.Count(), User::Leave( KErrArgument) ); |
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71 __ASSERT_ALWAYS( aStartIndex + aCount <= aArray.Count(), User::Leave( KErrArgument) ); |
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72 // Calculate the required descriptor length |
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73 TInt storageLength (0); |
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74 for( TInt i = aStartIndex; i < aStartIndex + aCount; i++ ) |
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75 { |
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76 storageLength += aArray[i].Length(); |
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77 } |
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78 HBufC8* storage = HBufC8::NewLC( storageLength ); |
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79 |
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80 for( TInt i = aStartIndex; i < aStartIndex + aCount; i++ ) |
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81 { |
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82 // 16 bit chars are converted to 8-bit chars |
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83 storage->Des().Append( aArray[i] ); |
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84 } |
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85 return storage; |
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86 } |
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87 |
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88 |
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89 //End of file |