1 // Copyright (c) 2001-2009 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 // MDXMLCharacterData.cpp |
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15 // @file |
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16 // This class represents a text section of an XML file - |
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17 // basically it is a chunk of text which has a place in the |
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18 // object tree but has no children. |
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19 // |
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20 // |
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21 |
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22 #include <gmxmldomconstants.h> |
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23 #include <gmxmlnode.h> |
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24 #include <gmxmlcharacterdata.h> |
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25 |
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26 CMDXMLCharacterData::CMDXMLCharacterData( TDOMNodeType aNodeType, CMDXMLDocument* aOwnerDocument ): |
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27 CMDXMLNode( aNodeType, false, aOwnerDocument) |
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28 // |
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29 // Constructor |
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30 // @param aNodeType The node type of the derived object |
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31 // @param aOwnerDocument The Document at the root of the DOM tree. |
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32 // |
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33 { |
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34 } |
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35 |
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36 EXPORT_C CMDXMLCharacterData::~CMDXMLCharacterData() |
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37 { |
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38 delete iData; |
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39 } |
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40 |
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41 EXPORT_C TDesC& CMDXMLCharacterData::Data() |
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42 // |
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43 // @return Returns the text of the Character Data section |
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44 // |
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45 { |
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46 return *iData; |
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47 } |
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48 |
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49 EXPORT_C void CMDXMLCharacterData::SetDataL( TDesC& aData ) |
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50 // |
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51 // Sets the whole of the Character Data section text |
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52 // @param aData Text to set. |
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53 // @leave Can Leave due to OOM |
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54 // |
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55 { |
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56 if( iData != NULL ) |
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57 { |
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58 delete iData; |
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59 iData = NULL; |
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60 } |
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61 iData = aData.AllocL(); |
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62 } |
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63 |
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64 EXPORT_C TInt CMDXMLCharacterData::Length() |
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65 // |
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66 // @return Returns the length of the text |
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67 // |
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68 { |
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69 return iData->Length();; |
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70 } |
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71 |
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72 EXPORT_C void CMDXMLCharacterData::AppendL( TDesC& aData ) |
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73 // |
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74 // Appends text to the Character Data section |
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75 // @param aData Text to append |
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76 // @leave Can Leave due to OOM |
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77 // |
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78 { |
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79 TInt newLength = aData.Length() + iData->Length(); |
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80 if(newLength > iData->Des().MaxLength()) |
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81 { |
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82 HBufC* newData = HBufC::NewMaxL(newLength); |
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83 newData->Des().Copy(iData->Des()); |
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84 delete iData; |
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85 iData = newData; |
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86 } |
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87 iData->Des().Append(aData); |
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88 } |
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89 |
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90 EXPORT_C TInt CMDXMLCharacterData::InsertL( TInt aInsertPos, TDesC& aData ) |
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91 // |
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92 // Inserts text at a point in the Character Data section |
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93 // @param aInsertPos The position to insert the text (0 means insert at the start) |
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94 // @param aData Text to insert |
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95 // @leave Can Leave due to OOM |
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96 // @return Returns KErrNone if successful or KErrNotFound if the insert position is out of range |
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97 // |
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98 { |
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99 TInt retVal = KErrNone; |
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100 if((aInsertPos >= 0) && (aInsertPos < iData->Length())) |
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101 { |
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102 TInt newLength = aData.Length() + iData->Length(); |
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103 if(newLength > iData->Des().MaxLength()) |
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104 { |
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105 HBufC* newData = HBufC::NewMaxL(newLength); |
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106 newData->Des().Copy(iData->Des()); |
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107 delete iData; |
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108 iData = newData; |
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109 } |
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110 iData->Des().Insert(aInsertPos, aData); |
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111 } |
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112 else |
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113 { |
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114 retVal = KErrNotFound; |
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115 } |
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116 return retVal; |
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117 } |
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118 |
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119 EXPORT_C TInt CMDXMLCharacterData::ReplaceL( TInt aInsertPos, TInt aLength, TDesC& aData ) |
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120 // |
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121 // Replaces a block of text in the Character Data section |
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122 // @param aInsertPos The position to insert the text (0 means insert at the start) |
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123 // @param aLength The number of characters to replace |
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124 // @param aData Text to insert |
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125 // @leave Can Leave due to OOM |
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126 // @return Returns KErrNone if successful or KErrNotFound if the replace block is out of range |
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127 // |
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128 { |
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129 TInt retVal = KErrNone; |
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130 if((aInsertPos >= 0) && (aInsertPos < iData->Length()) && (aLength >= 0)) |
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131 { |
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132 TInt newLength = aData.Length() + iData->Length() - aLength; |
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133 if(newLength > iData->Des().MaxLength()) |
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134 { |
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135 HBufC* newData = HBufC::NewMaxL(newLength); |
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136 newData->Des().Copy(iData->Des()); |
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137 delete iData; |
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138 iData = newData; |
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139 } |
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140 iData->Des().Replace(aInsertPos, aLength, aData); |
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141 } |
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142 else |
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143 { |
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144 retVal = KErrNotFound; |
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145 } |
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146 return retVal; |
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147 } |
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148 |
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149 EXPORT_C TBool CMDXMLCharacterData::CheckChildren() |
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150 // |
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151 // Check the children of this node for legality - must be defined based on DTD. |
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152 // For a Character Data section there can be no children so this always returns true. |
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153 // @return True if the node has legitimate children |
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154 // |
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155 { |
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156 return true; |
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157 } |
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158 |
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159 // End Of File |
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