author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 03 Sep 2010 07:55:01 +0300 | |
changeset 1 | 6edeef394eb7 |
parent 0 | 20abbd395761 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* Implementation for utitity class used for parsing script files |
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* Collect details on counts of test steps and test cases in a script file |
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* |
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*/ |
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/** |
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@file TEFScriptUtils.cpp |
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*/ |
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#include "tefscriptutils.h" |
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|
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/** |
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* CScriptPreProcess(const TDesC aScriptFilePath, TCommandForCounting* aCommandsAndCounts, TInt aStructSize) - Constructor |
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* Overloaded constructor used for collecting the script file path along with the structure array and size for storing count values |
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* @param aScriptFilePath - Path of the script file to be loaded for reading |
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* @param aCommandsAndCounts - Pointer to array of TCommandForCounting structures for collecting counts of commands |
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* @param aStructSize - Integer value representing the size of the structure array passed in |
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*/ |
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CScriptPreProcess::CScriptPreProcess(const TDesC& aScriptFilePath, TPtrC aCommandList[KTEFCommandCountsStructSize]) |
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: iScriptFilePath(aScriptFilePath), iStructSize(KTEFCommandCountsStructSize), iScriptData(NULL) |
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{ |
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for (TInt index=0; index < iStructSize; index++) |
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{ |
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iCommandsAndCounts[index].iCommandName.Copy(aCommandList[index]); |
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iCommandsAndCounts[index].iCommandCount = KTEFZeroValue; |
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} |
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} |
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/** |
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* ~CScriptPreProcess() - Destructor |
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* Deallocates heap allocation if done |
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*/ |
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CScriptPreProcess::~CScriptPreProcess() |
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{ |
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if (iScriptData != 0) |
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{ |
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delete iScriptData; |
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} |
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} |
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|
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/** |
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* CountNoOfOccurences() |
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* Member function used for parsing each of the script line |
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* Updates the structure array for any command of interest found during parsing |
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* @return TInt - Return system-wide error codes |
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*/ |
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TInt CScriptPreProcess::CountNoOfOccurences() |
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{ |
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// Construct the buffer with contents of script file |
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TRAPD(err,CreateScriptDataFromScriptFileL()); |
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if (err != KErrNone) |
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{ |
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// Return the error value, if the we fail to retieve the script file contents |
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return err; |
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} |
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TBool statusOfWhile=ETrue; |
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while (statusOfWhile) |
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{ |
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// Get the individual script line contents until EOF |
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statusOfWhile=GetNextScriptLine(); |
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|
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// If the script line is available, parse it and update the command counts in the structure array, if any |
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if (statusOfWhile) |
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{ |
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UpdateCommandCounts(); |
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} |
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} |
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// Return KErrNone if the process is completed safely |
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return KErrNone; |
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} |
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|
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/** |
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* CreateScriptDataFromScriptFileL() |
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* Funtion used to copy the contents of the script file to a buffer for reading |
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*/ |
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void CScriptPreProcess::CreateScriptDataFromScriptFileL() |
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{ |
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// Create a file session and connect |
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RFs fS; |
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User::LeaveIfError(fS.Connect()); |
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CleanupClosePushL(fS); |
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// Create a file object and try to open the script file for reading |
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RFile scriptFile; |
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User::LeaveIfError(scriptFile.Open(fS,iScriptFilePath,EFileRead | EFileShareAny)); |
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CleanupClosePushL(scriptFile); |
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// Extract the size of the script file and create a heap buffer to the particular size |
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106 |
TInt fileSize; |
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User::LeaveIfError(scriptFile.Size(fileSize)); |
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|
108 |
|
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109 |
// Create a 16bit heap buffer |
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iScriptData = HBufC::NewL(fileSize); |
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111 |
|
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112 |
// Create a 8 bit heap buffer for temporily copying the contents of the script file from the file object |
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113 |
HBufC8* narrowData = HBufC8::NewL(fileSize); |
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114 |
CleanupStack::PushL(narrowData); |
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TPtr8 narrowPtr=narrowData->Des(); |
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// Read the file into an 8bit heap buffer |
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User::LeaveIfError(scriptFile.Read(narrowPtr)); |
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118 |
|
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119 |
TPtr widePtr(iScriptData->Des()); |
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120 |
// Copy it to the 16bit buffer |
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121 |
widePtr.Copy(narrowData->Des()); |
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122 |
|
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123 |
// Cleanup all heap allocations |
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124 |
CleanupStack::PopAndDestroy(narrowData); |
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125 |
CleanupStack::Pop(2); |
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126 |
|
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127 |
// Close the file object and file session |
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128 |
scriptFile.Close(); |
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129 |
fS.Close(); |
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130 |
|
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131 |
// Set up the instance token parser |
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132 |
iScriptLex = iScriptData->Des(); |
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133 |
} |
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134 |
|
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135 |
/** |
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136 |
* GetNextScriptLine() |
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137 |
* Funtion used to retrieve individual script line and store them to a member buffer for parsing |
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138 |
* @return TBool - Returns EFalse if the cursor position reaches end of file. ETrue otherwise |
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139 |
*/ |
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140 |
TBool CScriptPreProcess::GetNextScriptLine() |
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141 |
{ |
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142 |
// Place the lex marker for the next read |
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143 |
while(!iScriptLex.Eos()) |
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144 |
{ |
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145 |
// Peek and place the cursor position to the end of line |
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146 |
TChar peek = iScriptLex.Peek(); |
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147 |
if(peek == '\n') |
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148 |
{ |
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149 |
iScriptLex.Inc(); |
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150 |
break; |
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151 |
} |
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152 |
else |
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153 |
{ |
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154 |
iScriptLex.Inc(); |
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155 |
} |
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156 |
} |
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|
157 |
|
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158 |
// Store the current line to a member variable |
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159 |
iCurrentScriptLine.Set(iScriptLex.MarkedToken()); |
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160 |
iScriptLex.Mark(); |
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161 |
// Replace the remainder of the script contents into the original buffer |
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162 |
// This is done to enable retrieving of next line during successive calls to the same function |
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163 |
iScriptLex.Assign(iScriptLex.RemainderFromMark()); |
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|
164 |
|
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165 |
// Check for end of file and return status accordingly |
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166 |
if(iCurrentScriptLine.Length() || !iScriptLex.Eos()) |
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|
167 |
{ |
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168 |
return ETrue; |
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|
169 |
} |
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|
170 |
else |
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|
171 |
{ |
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|
172 |
return EFalse; |
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|
173 |
} |
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|
174 |
} |
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|
175 |
|
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|
176 |
/** |
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|
177 |
* UpdateCommandCounts() |
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|
178 |
* Funtion used to parse the script line and update the the command struture with incrementing counts within the structure array |
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|
179 |
*/ |
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180 |
void CScriptPreProcess::UpdateCommandCounts() |
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181 |
{ |
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182 |
// Copy the current script line contents to a TLex for parsing |
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|
183 |
TLex scriptLine(iCurrentScriptLine); |
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|
184 |
|
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|
185 |
// Extract the first token from the current script line lex |
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|
186 |
TPtrC commandName(scriptLine.NextToken()); |
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|
187 |
|
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|
188 |
// Run through a loop and check if the first token of the current script line |
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|
189 |
// matches the command names provided in the structure array |
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|
190 |
// If it matches any of the commands in array, increment the counter correspondingly |
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|
191 |
for (TInt index=0;index<iStructSize;index++) |
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|
192 |
{ |
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|
193 |
if (iCommandsAndCounts[index].iCommandName.CompareF(commandName) == 0) |
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|
194 |
{ |
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195 |
iCommandsAndCounts[index].iCommandCount++; |
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|
196 |
} |
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|
197 |
} |
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|
198 |
} |
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|
199 |
|
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|
200 |
/** |
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201 |
* RetrieveCount(TInt& aIndex, TDes& aCommandName, TInt& aCommandCount) |
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|
202 |
* Funtion used to retrieve individual command counts from the structure array and store them to reference parameters |
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|
203 |
* @param aIndex - TInt value representing the aray index whose details needs to be fetched |
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|
204 |
* @param aCommandName - Reference to a buffer used to retrieve the command whose count is being updated |
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205 |
* @param aCount - Reference to TInt descriptor used to retrieve the counts of the command from script file |
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206 |
*/ |
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|
207 |
void CScriptPreProcess::RetrieveValues(TInt& aIndex, TDes& aCommandName, TInt& aCommandCount) |
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|
208 |
{ |
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|
209 |
aCommandName.Copy(iCommandsAndCounts[aIndex].iCommandName); |
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210 |
aCommandCount = iCommandsAndCounts[aIndex].iCommandCount; |
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211 |
} |