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1 // Copyright (c) 2003-2009 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 // NetDial Script reader |
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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 Scrread.cpp |
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20 */ |
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21 |
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22 #include "SSCRREAD.H" |
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23 #include "ND_STD.H" |
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24 #include "SLOGGER.H" |
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25 |
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26 // TLinePosition definitions |
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27 |
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28 TLinePosition::TLinePosition(TInt aLineCount,TInt aLineStart,TInt aLineLength,TInt aOffset) |
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29 : iLineCount(aLineCount), iLineStart(aLineStart), iLineLength(aLineLength), iOffset(aOffset) |
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30 /** |
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31 Constructor for TLinePosition. |
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32 |
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33 @param aLineCount is line count. |
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34 @param aLineStart is line start. |
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35 @param aLineLength is line length. |
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36 @param aOffset is line offset. |
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37 */ |
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38 {} |
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39 |
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40 TLinePosition& TLinePosition::operator=(const TLinePosition& aLinePosition) |
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41 /** |
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42 TLinePosition =-operator. |
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43 |
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44 @param aLinePosition a reference to line position for comparison. |
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45 */ |
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46 { |
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47 iLineCount=aLinePosition.iLineCount; |
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48 iLineStart=aLinePosition.iLineStart; |
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49 iLineLength=aLinePosition.iLineLength; |
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50 iOffset=aLinePosition.iOffset; |
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51 return (*this); |
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52 } |
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53 |
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54 void TLinePosition::Reset() |
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55 /** |
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56 Reset. |
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57 */ |
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58 { |
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59 iLineCount=0; |
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60 iLineStart=0; |
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61 iLineLength=0; |
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62 iOffset=0; |
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63 } |
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64 |
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65 // TScriptStatus definitions |
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66 |
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67 TScriptStatus::TScriptStatus(TInt& aOffset,TPtrC& aLine,TBool& aSkip,TBool& aSkipModeToggleReq) |
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68 : iOffset(aOffset), iLine(aLine), iSkip(aSkip), iSkipModeToggleReq(aSkipModeToggleReq) |
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69 /** |
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70 Constructor for TScriptStatus. |
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71 |
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72 @param aOffset a reference to script offset. |
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73 @param aLine a reference to script line. |
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74 @param aSkip a reference to skip |
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75 @param aSkipModeToggleReq a reference to skip mode toggle. |
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76 */ |
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77 {} |
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78 |
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79 TScriptStatus::TScriptStatus(const TScriptStatus& aStatus) |
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80 : iOffset(aStatus.iOffset), iLine(aStatus.iLine), iSkip(aStatus.iSkip), iSkipModeToggleReq(aStatus.iSkipModeToggleReq) |
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81 /** |
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82 Constructor for TScriptStatus. |
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83 |
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84 @param aStatus a reference to script status. |
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85 */ |
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86 {} |
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87 |
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88 // CScriptReader (NetDial Script Reader) definitions |
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89 |
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90 CScriptReader* CScriptReader::NewL(TInt aBufferSize) |
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91 /** |
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92 2 phased constructor for CScriptReader, first phase. |
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93 |
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94 @param aBufferSize is buffer size for script reader. |
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95 @exception Leaves if ConstructL() leaves, or not enough memory is available. |
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96 @return a new CScriptReader object. |
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97 */ |
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98 { |
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99 CScriptReader* p=new(ELeave) CScriptReader(); |
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100 CleanupStack::PushL(p); |
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101 p->ConstructL(aBufferSize); |
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102 CleanupStack::Pop(); |
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103 return p; |
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104 } |
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105 |
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106 CScriptReader::CScriptReader() |
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107 : iScript(NULL,0), iCurrentPosition() |
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108 /** |
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109 Constructor for CScriptReader, used in the first phase of construction. |
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110 */ |
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111 {} |
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112 |
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113 void CScriptReader::ConstructL(TInt aBufferSize) |
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114 /** |
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115 Instantiate member variables. |
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116 |
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117 @param aBufferSize is buffer size for script reader. |
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118 */ |
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119 { |
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120 __FLOG_STMT(_LIT8(logString,"Script:\tCreating Buffer Of Size %d");) |
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121 __FLOG_STATIC1(KNetDialLogFolder(),KNetDialLogFile(),TRefByValue<const TDesC8>(logString()),aBufferSize); |
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122 iScriptBuffer=HBufC::NewL(aBufferSize); |
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123 TPtr temp=iScriptBuffer->Des(); |
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124 iScript.Set(temp); |
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125 iLoggingOn=ETrue; |
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126 } |
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127 |
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128 CScriptReader::~CScriptReader() |
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129 /** |
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130 Destructor. |
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131 Delete members. |
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132 */ |
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133 { |
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134 delete iScriptBuffer; |
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135 } |
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136 |
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137 void CScriptReader::SetScript(const TDesC& aScript) |
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138 /** |
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139 Set script and reset buffers. |
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140 @param aScript a reference to used script. |
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141 */ |
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142 { |
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143 iScript.Copy(aScript); |
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144 iCurrentPosition.Reset(); |
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145 iScriptSet=ETrue; |
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146 iSkip=EFalse; |
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147 } |
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148 |
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149 TBool CScriptReader::IsScriptSet() const |
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150 /** |
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151 Set script and reset buffers. |
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152 |
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153 @return iScriptSet flag. |
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154 */ |
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155 { |
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156 return iScriptSet; |
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157 } |
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158 |
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159 TScriptStatus CScriptReader::ScriptStatus() |
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160 /** |
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161 Set script and reset buffers. |
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162 |
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163 @return TScriptStatus. |
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164 */ |
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165 { |
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166 return TScriptStatus(iCurrentPosition.iOffset,iCurrentLine,iSkip,iSkipModeToggleReq); |
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167 } |
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168 |
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169 TInt CScriptReader::GetNextLine() |
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170 /** |
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171 Get next line. |
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172 |
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173 @return current line from GetCurrentLine(). |
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174 */ |
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175 { |
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176 iCurrentPosition.iLineStart+=iCurrentPosition.iLineLength; // adjust to the start of the next line |
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177 return GetCurrentLine(); |
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178 } |
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179 |
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180 TInt CScriptReader::GetCurrentLine() |
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181 /** |
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182 Get current line. |
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183 |
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184 @return current line. |
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185 */ |
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186 { |
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187 TInt activeLen=iScript.Length()-iCurrentPosition.iLineStart; // length of the script which is still unread |
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188 if (activeLen==0) |
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189 return KErrScriptCompleted; |
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190 |
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191 TPtrC activeDes; |
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192 activeDes.Set(iScript.Right(activeLen)); |
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193 |
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194 TBool isLastLineWithoutReturn=EFalse; |
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195 TInt posCR=activeDes.Locate(KCarriageReturn); |
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196 TInt posLF=activeDes.Locate(KLineFeed); |
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197 if(posCR==KErrNotFound && posLF==KErrNotFound) |
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198 isLastLineWithoutReturn=ETrue; |
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199 |
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200 if (isLastLineWithoutReturn) |
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201 iCurrentPosition.iLineLength=activeDes.Length(); |
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202 else |
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203 { |
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204 if (posCR==KErrNotFound) |
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205 posCR = KMaxTInt; |
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206 if (posLF==KErrNotFound) |
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207 posLF = KMaxTInt; |
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208 TInt pos = Min(posCR,posLF); |
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209 iCurrentPosition.iLineLength=pos+1; |
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210 } |
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211 |
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212 iCurrentLine.Set(activeDes.Left(iCurrentPosition.iLineLength)); // for script status |
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213 iCurrentPosition.iOffset=0; |
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214 iCurrentPosition.iLineCount++; |
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215 if (iLoggingOn) |
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216 { |
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217 TBuf<KLogBufferSize> line; |
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218 line.Copy(activeDes.Left(Min(KLogBufferSize,iCurrentPosition.iLineLength))); |
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219 if (iSkip) |
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220 { |
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221 __FLOG_STMT(_LIT(logString1,"Script Line #%d:\t[Skip] : %S");) |
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222 __FLOG_STATIC2(KNetDialLogFolder(),KNetDialLogFile(),TRefByValue<const TDesC>(logString1()),iCurrentPosition.iLineCount,&line); |
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223 } |
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224 else |
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225 { |
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226 __FLOG_STMT(_LIT(logString2,"Script Line #%d:\t%S");) |
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227 __FLOG_STATIC2(KNetDialLogFolder(),KNetDialLogFile(),TRefByValue<const TDesC>(logString2()),iCurrentPosition.iLineCount,&line); |
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228 } |
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229 } |
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230 return KErrNone; |
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231 } |
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232 |
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233 void CScriptReader::CurrentPos(TLinePosition& aPosition,TInt aOffset) |
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234 /** |
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235 Get the current position and change the offset to aOffset. |
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236 |
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237 @param aPosition a reference to line position. |
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238 @param aOffset is offset. |
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239 */ |
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240 { |
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241 aPosition=iCurrentPosition; |
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242 aPosition.iOffset=aOffset; |
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243 } |
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244 |
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245 void CScriptReader::SetCurrentPos(TLinePosition aPosition) |
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246 /** |
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247 Set current position to aPos and aLine |
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248 |
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249 @param aPosition is line position. |
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250 */ |
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251 { |
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252 iCurrentPosition=aPosition; |
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253 } |
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254 |
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255 TInt CScriptReader::Reset() |
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256 /** |
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257 Reset counters and flags |
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258 */ |
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259 { |
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260 iLoggingOn=ETrue; |
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261 iCurrentPosition.Reset(); |
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262 TInt ret=GetCurrentLine(); |
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263 __ASSERT_DEBUG(!iScriptSet || ret==KErrNone, User::Invariant()); |
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264 GetCurrentLine(); |
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265 iSkip=EFalse; |
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266 iSkipModeToggleReq=EFalse; |
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267 return ret; |
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268 } |