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1 // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #include <e32std.h> |
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17 #include <bacell.h> |
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18 |
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19 EXPORT_C TCellRef operator+(const TCellRef& aLeft,const TCellRef& aRight) |
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20 { |
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21 return TCellRef(aLeft.iRow+aRight.iRow,aLeft.iCol+aRight.iCol); |
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22 } |
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23 |
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24 EXPORT_C TCellRef operator-(const TCellRef& aLeft,const TCellRef& aRight) |
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25 { |
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26 return TCellRef(aLeft.iRow-aRight.iRow,aLeft.iCol-aRight.iCol); |
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27 } |
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28 |
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29 EXPORT_C void TCellRef::Offset(TInt aRowOffset,TInt aColOffset) |
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30 /** Adds the specified row and column numbers to this cell's row and column values. |
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31 |
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32 @param aRowOffset The row number to be added. The value may be positive, zero |
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33 or negative. |
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34 @param aColOffset The column number to be added. The value may be positive, |
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35 zero or negative. */ |
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36 { |
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37 iRow += aRowOffset; |
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38 iCol += aColOffset; |
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39 } |
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40 |
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41 EXPORT_C void TCellRef::InternalizeL(RReadStream& aStream) |
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42 /** Internalises an object of this class from a read stream. |
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43 |
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44 The presence of this function means that the standard templated operator>>() |
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45 can be used to internalise objects of this class. |
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46 |
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47 Note that the function has assignment semantics. It replaces the old value |
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48 of the object with a new value read from the read stream. |
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49 |
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50 @param aStream Stream from which the object is to be internalised. */ |
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51 { |
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52 iRow = aStream.ReadInt32L(); |
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53 iCol = aStream.ReadInt32L(); |
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54 } |
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55 |
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56 // class TRangeRef |
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57 |
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58 EXPORT_C TBool TRangeRef::operator==(const TRangeRef& aRange) const |
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59 /** Compares this cell range with the specified cell range for equality. |
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60 |
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61 @param aRange The cell range to be compared. |
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62 @return ETrue, if the start cells and the end cells are the same. */ |
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63 { |
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64 return aRange.iFrom==iFrom && aRange.iTo==iTo; |
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65 } |
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66 |
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67 EXPORT_C TInt TRangeRef::NoCells() const |
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68 /** Gets the number of cells represented by the range. |
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69 |
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70 @return The number of cells. */ |
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71 { |
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72 return NoRows()*NoCols(); |
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73 } |
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74 |
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75 EXPORT_C TBool TRangeRef::Contains(const TCellRef& aCell) const |
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76 /** Tests whether the specified cell is contained within the range. |
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77 |
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78 A range includes its outer perimeter. |
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79 |
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80 @param aCell The cell to be tested. |
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81 @return ETrue, if the specified cell is contained within the range; |
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82 EFalse, otherwise. */ |
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83 { |
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84 TInt row=aCell.iRow; |
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85 TInt col=aCell.iCol; |
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86 return row>=iFrom.iRow && row<=iTo.iRow && col>=iFrom.iCol && col<=iTo.iCol; |
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87 } |
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88 |
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89 EXPORT_C void TRangeRef::InternalizeL(RReadStream& aStream) |
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90 /** Internalises an object of this class from a read stream. |
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91 |
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92 The presence of this function means that the standard templated operator>>() |
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93 can be used to internalise objects of this class. |
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94 |
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95 Note that the function has assignment semantics. It replaces the old value |
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96 of the object with a new value read from the read stream. |
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97 |
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98 @param aStream Stream from which the object is to be internalised. */ |
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99 { |
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100 aStream>>iFrom>>iTo; |
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101 } |
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102 |
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103 EXPORT_C void TRangeRef::ExternalizeL(RWriteStream& aStream) const |
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104 /** Externalises an object of this class to a write stream. |
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105 |
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106 The presence of this function means that the standard templated operator<<() |
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107 can be used to externalise objects of this class. |
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108 |
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109 @param aStream Stream to which the object should be externalised. */ |
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110 { |
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111 aStream<<iFrom<<iTo; |
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112 } |
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113 |
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114 // TRangeRef::TIter |
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115 |
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116 EXPORT_C TRangeRef::TIter::TIter(const TRangeRef& aRange) |
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117 : iCurrent(aRange.iFrom),iRange(aRange) |
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118 {} |
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119 |
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120 EXPORT_C TBool TRangeRef::TIter::operator++() |
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121 { |
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122 if (iCurrent.iCol<iRange.iTo.iCol) |
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123 { |
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124 ++iCurrent.iCol; |
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125 } |
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126 else |
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127 { |
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128 ++iCurrent.iRow; |
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129 iCurrent.iCol = iRange.iFrom.iCol; |
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130 } |
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131 return iCurrent.iRow<=iRange.iFrom.iRow; |
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132 } |
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133 |
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134 |
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135 /* End of $Workfile: bacell.cpp $*/ |