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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 // This file contains the implementation of the SMS buffer |
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15 // |
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16 // |
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17 |
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18 /** |
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19 @file |
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20 */ |
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21 |
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22 #include "gsmubuf.h" |
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23 #include "Gsmumain.h" |
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24 |
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25 #include <txtetext.h> |
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26 |
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27 |
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28 /** |
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29 * Internalises the object. |
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30 * |
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31 * @param aStream Stream to read from |
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32 * @capability None |
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33 */ |
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34 EXPORT_C void CSmsBufferBase::InternalizeL(RReadStream& aStream) |
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35 { |
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36 Reset(); |
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37 TInt length=aStream.ReadInt32L(); |
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38 TBuf<EMaxBufLength> buf; |
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39 for (TInt pos=0; pos<length; pos+=EMaxBufLength) |
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40 { |
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41 TInt buflength=(pos+EMaxBufLength)<=length? EMaxBufLength: length-pos; |
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42 aStream.ReadL(buf,buflength); |
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43 InsertL(pos,buf); |
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44 } |
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45 } // CSmsBufferBase::InternalizeL |
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46 |
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47 |
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48 /** |
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49 * Externalises the object. |
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50 * |
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51 * @param aStream Stream to write to |
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52 * @capability None |
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53 */ |
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54 EXPORT_C void CSmsBufferBase::ExternalizeL(RWriteStream& aStream) const |
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55 { |
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56 TInt length=Length(); |
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57 aStream.WriteInt32L(length); |
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58 for (TInt pos=0; pos<length; pos+=EMaxBufLength) |
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59 { |
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60 TBuf<EMaxBufLength> buf; |
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61 TInt buflength=(pos+EMaxBufLength)<=length? EMaxBufLength: length-pos; |
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62 Extract(buf,pos,buflength); |
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63 aStream.WriteL(buf,buflength); |
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64 } |
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65 } // CSmsBufferBase::ExternalizeL |
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66 |
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67 |
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68 /** |
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69 * Allocates and constructs the buffer. |
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70 * |
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71 * @return New CSmsBuffer object |
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72 * @capability None |
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73 */ |
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74 EXPORT_C CSmsBuffer* CSmsBuffer::NewL() |
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75 { |
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76 CSmsBuffer* smsbuffer=new(ELeave) CSmsBuffer(); |
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77 CleanupStack::PushL(smsbuffer); |
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78 smsbuffer->iBuffer=new(ELeave) CArrayFixSeg<TText>(EMaxBufLength); |
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79 CleanupStack::Pop(); |
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80 return smsbuffer; |
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81 } // CSmsBuffer::NewL |
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82 |
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83 |
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84 /** |
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85 * Destructor, frees resource. |
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86 * @capability None |
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87 */ |
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88 EXPORT_C CSmsBuffer::~CSmsBuffer() |
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89 { |
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90 delete iBuffer; |
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91 } // CSmsBuffer::NewL |
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92 |
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93 |
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94 /** |
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95 * Gets the amount of space currently used in the buffer. |
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96 * |
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97 * @return Amount of space currently used in the buffer |
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98 * @capability None |
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99 */ |
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100 EXPORT_C TInt CSmsBuffer::Length() const |
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101 { |
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102 return iBuffer->Count(); |
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103 } // CSmsBuffer::Length |
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104 |
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105 |
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106 /** |
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107 * Extracts buffer data to a descriptor. |
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108 * |
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109 * @param aBuf On return, buffer data |
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110 * @param aPos Position within buffer to begin reading |
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111 * @param aLength The amount of data to read from the buffer |
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112 * @capability None |
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113 */ |
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114 EXPORT_C void CSmsBuffer::Extract(TDes& aBuf,TInt aPos,TInt aLength) const |
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115 { |
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116 aBuf.SetLength(aLength); |
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117 for (TInt i=0; i<aLength; i++) |
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118 aBuf[i]=iBuffer->At(aPos+i); |
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119 } // CSmsBuffer::Extract |
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120 |
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121 |
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122 /** |
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123 * Inserts data into the buffer. |
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124 * |
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125 * @param aPos Position in the buffer to insert the data |
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126 * @param aBuf The data to insert into the buffer |
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127 * @capability None |
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128 */ |
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129 EXPORT_C void CSmsBuffer::InsertL(TInt aPos,const TDesC& aBuf) |
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130 { |
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131 iBuffer->InsertL(aPos,aBuf.Ptr(),aBuf.Length()); |
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132 } // CSmsBuffer::InsertL |
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133 |
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134 |
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135 /** |
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136 * Deletes data from the buffer. |
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137 * |
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138 * @param aPos Position in the buffer to delete the data |
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139 * @param aLength The amount of data to delete from the buffer |
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140 * @capability None |
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141 */ |
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142 EXPORT_C void CSmsBuffer::DeleteL(TInt aPos,TInt aLength) |
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143 { |
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144 iBuffer->Delete(aPos,aLength); |
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145 } // CSmsBuffer::DeleteL |
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146 |
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147 |
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148 /** |
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149 * Resets the buffer. |
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150 * @capability None |
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151 */ |
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152 EXPORT_C void CSmsBuffer::Reset() |
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153 { |
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154 iBuffer->Reset(); |
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155 } // CSmsBuffer::Reset |
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156 |
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157 |
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158 CSmsBuffer::CSmsBuffer() |
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159 { |
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160 // NOP |
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161 } // CSmsBuffer::CSmsBuffer |
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162 |
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163 |
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164 /** |
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165 * Allocates and constructs the buffer. |
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166 * |
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167 * @param aText Text object to use as buffer |
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168 * @return New CSmsEditorBuffer object |
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169 * @capability None |
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170 */ |
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171 EXPORT_C CSmsEditorBuffer* CSmsEditorBuffer::NewL(CEditableText& aText) |
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172 { |
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173 CSmsEditorBuffer* smseditorbuffer=new(ELeave) CSmsEditorBuffer(aText); |
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174 CleanupStack::PushL(smseditorbuffer); |
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175 CleanupStack::Pop(); |
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176 return smseditorbuffer; |
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177 } // CSmsEditorBuffer::NewL |
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178 |
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179 |
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180 /** |
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181 * Destructor. |
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182 * @capability None |
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183 */ |
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184 EXPORT_C CSmsEditorBuffer::~CSmsEditorBuffer() |
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185 { |
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186 // NOP |
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187 } // CSmsEditorBuffer::NewL |
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188 |
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189 |
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190 /** |
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191 * Gets the number of characters in the buffer. |
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192 * |
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193 * @return The number of characters in the buffer. |
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194 * @capability None |
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195 */ |
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196 EXPORT_C TInt CSmsEditorBuffer::Length() const |
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197 { |
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198 return iText.DocumentLength(); |
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199 } // CSmsEditorBuffer::Length |
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200 |
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201 |
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202 /** |
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203 * Extracts buffer data to a descriptor. |
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204 * |
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205 * @param aBuf On return, buffer data |
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206 * @param aPos Position within buffer to begin reading |
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207 * @param aLength The amount of data to read from the buffer |
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208 * @capability None |
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209 */ |
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210 EXPORT_C void CSmsEditorBuffer::Extract(TDes& aBuf,TInt aPos,TInt aLength) const |
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211 { |
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212 iText.Extract(aBuf,aPos,aLength); |
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213 } // CSmsEditorBuffer::Extract |
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214 |
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215 |
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216 /** |
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217 * Inserts data into the buffer. |
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218 * |
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219 * @param aPos Position in the buffer to insert the data |
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220 * @param aBuf The data to insert into the buffer |
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221 * @capability None |
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222 */ |
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223 EXPORT_C void CSmsEditorBuffer::InsertL(TInt aPos,const TDesC& aBuf) |
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224 { |
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225 iText.InsertL(aPos,aBuf); |
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226 } // CSmsEditorBuffer::InsertL |
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227 |
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228 |
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229 /** |
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230 * Deletes data from the buffer. |
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231 * |
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232 * @param aPos Position in the buffer to delete the data |
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233 * @param aLength The amount of data to delete from the buffer |
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234 * @capability None |
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235 */ |
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236 EXPORT_C void CSmsEditorBuffer::DeleteL(TInt aPos,TInt aLength) |
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237 { |
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238 iText.DeleteL(aPos,aLength); |
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239 } // CSmsEditorBuffer::DeleteL |
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240 |
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241 |
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242 /** |
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243 * Reset the buffer. |
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244 * @capability None |
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245 */ |
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246 EXPORT_C void CSmsEditorBuffer::Reset() |
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247 { |
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248 iText.Reset(); |
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249 } // CSmsEditorBuffer::Reset |
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250 |
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251 |
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252 CSmsEditorBuffer::CSmsEditorBuffer(CEditableText& aText): |
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253 iText(aText) |
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254 { |
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255 // NOP |
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256 } // CSmsEditorBuffer::CSmsEditorBuffer |