--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/imgtools/imglib/parameterfileprocessor/source/parameterfileprocessor.cpp Tue Oct 27 16:36:35 2009 +0000
@@ -0,0 +1,262 @@
+/*
+* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+* Class for processing parameter-file.
+* @internalComponent
+* @released
+*
+*/
+
+
+
+#include "parameterfileprocessor.h"
+
+
+/**
+Constructor of CParameterFileProcessor class
+
+@param aParamFileName parameter-file name
+
+@internalComponent
+@released
+*/
+CParameterFileProcessor::CParameterFileProcessor(String aParamFileName):
+ iParamFileName(aParamFileName),iNoOfArguments(0),
+ iParamFileArgs(NULL)
+{
+}
+
+
+/**
+Function to open parameter-file
+
+@internalComponent
+@released
+
+@return True/False depending on the status of parameter-file open statement.
+*/
+bool CParameterFileProcessor::OpenFile()
+{
+
+ iParamFile.open(iParamFileName.data(),std::ios::binary);
+ if (iParamFile.is_open())
+ return true;
+ else
+ {
+ std::cout<<"Error: Couldn't open parameter-file for reading:"<<iParamFileName.c_str()<<"\n";
+ return false;
+ }
+}
+
+
+/**
+Function to parse the parameter-file
+
+@internalComponent
+@released
+
+@return True/False depending on the status of parameter-file parsing.
+*/
+bool CParameterFileProcessor::ParameterFileProcessor()
+{
+ if(OpenFile())
+ {
+ while(!iParamFile.eof())
+ {
+ // Read the parameter-file line by line.
+ String line;
+ std::getline(iParamFile,line);
+
+ // Read the line till the occurence of character ';' or EOL.
+ unsigned int pos = line.find_first_of(";\r\n");
+ if (pos != std::string::npos)
+ line = line.substr(0,pos);
+
+ // Split the line if multiple parameters are provided
+ // in a single line.
+ if(!SplitLine(line))
+ return false;
+ }
+
+ if (SetNoOfArguments() == false)
+ {
+ return false;
+ }
+
+ SetParameters();
+
+ // Close parameter-file
+ CloseFile();
+
+ return true;
+ }
+ else
+ return false;
+}
+
+
+/**
+Function to split line of paramfile-file
+
+@param aLine parameter-file line
+
+@internalComponent
+@released
+
+@return True/False depending on the status of spliting.
+*/
+bool CParameterFileProcessor::SplitLine(String& aLine)
+{
+ unsigned int startPos=0;
+ unsigned int endPos=0;
+
+ // Segregate parameters based on white-space or tabs.
+ startPos= aLine.find_first_not_of(" \t",endPos);
+ while(startPos != std::string::npos)
+ {
+ endPos= aLine.find_first_of(" \t",startPos);
+ String paramStr= aLine.substr(startPos,endPos-startPos);
+
+ unsigned int position= aLine.find_first_of("\"",startPos);
+
+ // If the parameter contains double quotes('"') then also include the spaces(if provided)
+ // within the quotes.
+ if((position!=std::string::npos) && position<=endPos)
+ {
+ endPos= aLine.find_first_of("\"",position+1);
+ if(endPos!= std::string::npos)
+ {
+ endPos= aLine.find_first_of(" \t",endPos+1);
+ if(endPos != std::string::npos)
+ {
+ paramStr= aLine.substr(startPos,endPos-startPos);
+ }
+
+ // Remove '"' from parameter
+ for(unsigned int count =0;count<paramStr.size();count++)
+ {
+ if (paramStr.at(count) == '"')
+ {
+ paramStr.erase(count,count+1);
+ }
+ }
+ }
+ // Generate error message if enclosing quotes are not found.
+ else
+ {
+ std::cout<<"Error while parsing parameter-file"<<iParamFileName.c_str()<<". Closing \"\"\" not found\n";
+ return false;
+ }
+ }
+
+ iParameters.push_back(paramStr);
+ startPos= aLine.find_first_not_of(" \t",endPos);
+ }
+ return true;
+}
+
+
+/**
+Function to set number of parameters read.
+
+@return false if no parameters are specified in parameter-file, else true
+@internalComponent
+@released
+*/
+bool CParameterFileProcessor::SetNoOfArguments()
+{
+ unsigned int noOfArguements = iParameters.size();
+ if (!noOfArguements)
+ {
+ std::cout<<"Warning: No parameters specified in paramer-file:"<<iParamFileName.data()<<"\n";
+ return false;
+ }
+ iNoOfArguments = noOfArguements+1;
+ return true;
+}
+
+
+/**
+Function to set the value of parameters read in the
+form of 2D char array.
+
+@internalComponent
+@released
+*/
+void CParameterFileProcessor::SetParameters()
+{
+ // Store the parameters read in a 2D array of characters
+ unsigned int paramSize = iParameters.size();
+ iParamFileArgs=new char*[paramSize+1];
+
+ for (unsigned int count=1; count<=paramSize; count++)
+ {
+ String param = iParameters.at(count-1);
+ *(iParamFileArgs+count) = new char[param.size()+1];
+ strcpy(*(iParamFileArgs+count),param.c_str());
+ }
+}
+
+
+/**
+Function to close parameter-file
+
+@internalComponent
+@released
+*/
+void CParameterFileProcessor::CloseFile()
+{
+ iParamFile.close();
+}
+
+
+/**
+Function to return number of parameters read from parameter-file
+
+@internalComponent
+@released
+
+@return iNoOfArguments - Number of parameters read from parameter-file
+*/
+unsigned int CParameterFileProcessor::GetNoOfArguments() const
+{
+ return iNoOfArguments;
+}
+
+
+/**
+Function to return parameters read from parameter-file
+
+@internalComponent
+@released
+
+@return iParamFileArgs - Parameters read from parameter-file
+*/
+char** CParameterFileProcessor::GetParameters() const
+{
+ return iParamFileArgs;
+}
+
+
+/**
+Destructor of CParameterFileProcessor class
+
+@internalComponent
+@released
+*/
+CParameterFileProcessor::~CParameterFileProcessor()
+{
+ for (unsigned int count=1;count<iNoOfArguments;count++)
+ delete[] *(iParamFileArgs+count);
+}