--- a/testexecmdw/tef/inifileparser/src/iniparser.cpp Fri Sep 03 07:55:01 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,688 +0,0 @@
-/*
-* Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of "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:
-* CINIDATA.CPP
-*
-*/
-
-
-
-#include <e32std.h>
-#include "iniparser.h"
-
-// Default directory to look for INI file
-_LIT(KIniFileDir,"\\System\\Data\\");
-_LIT(KIniSysDrive, "${SYSDRIVE}");
-_LIT(KLegacySysDrive, "C:");
-
-// Constant Value changed for defect047130 fix
-const TInt KTokenSize=256;
-
-enum TIniPanic
- {
- ESectionNameTooBig,
- EKeyNameTooBig,
- };
-
-#ifndef EKA2
-////////////////////////////////////////////////////////////////////////////////
-//
-// DLL entry point
-//
-GLDEF_C TInt E32Dll(TDllReason /*aReason*/)
-
- {
- return (KErrNone);
- }
-#endif
-
-////////////////////////////////////////////////////////////////////////////////
-void Panic(TIniPanic aPanic)
- {
- _LIT(CIniData,"CIniData");
- User::Panic(CIniData,aPanic);
- }
-
-/**
- * Updates ${SYSDRIVE} variables in the ini file buffer
- * To the system drive set during object constrcution
- */
-void CIniData::UpdateVariablesL()
- {
- if (iIniData != NULL)
- {
- //prevent re-allocating to copy the same data again
- TPtr temp(iIniData->Des()) ;
- if(iPtr.Compare(temp) != 0)
- {
- delete iIniData;
- iIniData = NULL ;
- }
- }
- // if iIniData was never allocated or just deleted...
- if(iIniData == NULL)
- {
- iIniData = iPtr.AllocL();
- }
-
- iPtrExpandedVars.Set(iIniData->Des());
-
- if(iPtrExpandedVars.FindF(KIniSysDrive) == KErrNotFound)
- return;
-
- while ( iPtrExpandedVars.Find(KIniSysDrive) != KErrNotFound )
- {
- TInt offset = iPtrExpandedVars.Find(KIniSysDrive);
- iPtrExpandedVars.Replace(offset, 11, iSysDrive);
- }
- }
-
-/**
- * Constructor
- */
-EXPORT_C CIniData::CIniData()
- : iPtr(NULL,0), iPtrExpandedVars(NULL,0)
- {
- __DECLARE_NAME(_S("CIniData"));
- iSysDrive.Copy(KLegacySysDrive);
- }
-
-/**
- * Overloaded constructor
- * Takes in the system drive letter to overwrite
- */
-EXPORT_C CIniData::CIniData(const TDesC& aSysDrive)
- : iPtr(NULL,0), iPtrExpandedVars(NULL,0)
- {
- __DECLARE_NAME(_S("CIniData"));
- if ( aSysDrive.Length() == 2 )
- iSysDrive.Copy(aSysDrive);
- }
-
-/**
- * Destructor
- * Frees the resources located in second-phase constructor
- */
-EXPORT_C CIniData::~CIniData()
- {
- if( iIniData != NULL )
- delete iIniData;
- delete (TText*)iPtr.Ptr();
- delete iToken;
- delete iName;
- }
-
-/**
- * Creates, and returns a pointer to CIniData object, leave on failure
- * @param aName - Path and name of the ini file to be parsed
- * @return A pointer to the CiniData object
- */
-EXPORT_C CIniData* CIniData::NewL(const TDesC& aName)
- {
- CIniData* p=new(ELeave) CIniData();
- CleanupStack::PushL(p);
- p->ConstructL(aName);
- CleanupStack::Pop();
- return p;
- }
-
-/**
- * Creates, and returns a pointer to CIniData object, leave on failure
- * @param aName - Path and name of the ini file to be parsed
- * @param aSysDrive - Drive letter to overwrite the default system drive
- * @return A pointer to the CiniData object
- */
-EXPORT_C CIniData* CIniData::NewL(const TDesC& aName, const TDesC& aSysDrive)
- {
- CIniData* p=new(ELeave) CIniData(aSysDrive);
- CleanupStack::PushL(p);
- p->ConstructL(aName);
- CleanupStack::Pop();
- return p;
- }
-
-/**
- * Second-phase constructor.
- * The function attempts to allocate a buffer and Read file's contents into iPtr
- * @param aName the name of the file which contains the ini data
- * @leave One of the system-wide error codes
- */
-EXPORT_C void CIniData::ConstructL(const TDesC& aName)
- {
- // Allocate space for token
- iToken=HBufC::NewL(KTokenSize+2); // 2 extra chars for [tokenName]
-
- // Connect to file server
- TAutoClose<RFs> fs;
- User::LeaveIfError(fs.iObj.Connect());
- fs.PushL();
-
- // Find file, given name
- TFindFile ff(fs.iObj);
- TFileName iniFileDir(KLegacySysDrive);
- iniFileDir.Append(KIniFileDir);
- User::LeaveIfError(ff.FindByDir(aName, iniFileDir));
- iName=ff.File().AllocL();
-
- // Open file
- TAutoClose<RFile> file;
- TInt size;
- User::LeaveIfError(file.iObj.Open(fs.iObj,*iName,EFileStreamText|EFileShareReadersOrWriters));
- file.PushL();
-
- // Get file size and read in
- User::LeaveIfError(file.iObj.Size(size));
- TText* data=(TText*)User::AllocL(size);
- iPtr.Set(data, size/sizeof(TText), size/sizeof(TText));
- TPtr8 dest((TUint8*)data, 0, size);
- User::LeaveIfError(file.iObj.Read(dest));
- TUint8* ptr = (TUint8*)data;
-
- //
- // This is orderred as FEFF assuming the processor is Little Endian
- // The data in the file is FFFE. PRR 28/9/98
- //
- if(size>=(TInt)sizeof(TText) && iPtr[0]==0xFEFF)
- {
- // UNICODE Text file so lose the FFFE
- Mem::Copy(ptr, ptr+sizeof(TText), size-sizeof(TText));
- iPtr.Set(data, size/sizeof(TText)-1, size/sizeof(TText)-1);
- }
- else if(size)
- {
- // NON-UNICODE so convert to UNICODE
- TText* newdata = (TText*)User::AllocL(size*sizeof(TText));
- iPtr.Set(newdata, size, size);
- TInt i;
- for(i=0 ; i<size ; ++i)
- iPtr[i]=ptr[i];
- delete data;
- }
-
- // Create a duplicate of the iPtr
- // Expand all ${SYSDRIVE} entries to system drive letter
- UpdateVariablesL();
-
- file.Pop();
- fs.Pop();
-}
-
-////////////////////////////////////////////////////////////////////////////////
-/**
- * Find a text value from given aKeyName regardless the section in the ini data file
- * @param aKeyName Key being searched for
- * @param aResult On return, contains the text result
- * @return ETrue if found, otherwise EFalse
- */
-EXPORT_C TBool CIniData::FindVar(const TDesC &aKeyName, TPtrC &aResult)
-{
- // Call with no section, so starts at beginning
- if (FindVar((TDesC&)KNullDesC , aKeyName, aResult))
- return(ETrue);
- else
- return(EFalse);
-}
-
-/**
- * Find a text value from given aKeyName and aSecName in the ini data file
- * @param aSectName Section containing key
- * @param aKeyName Key being searched for in aSectName
- * @param aResult On return, contains the text result
- * @return ETrue if found, otherwise EFalse
- */
-EXPORT_C TBool CIniData::FindVar(const TDesC &aSectName,const TDesC &aKeyName,TPtrC &aResult)
- {
- __ASSERT_DEBUG(aSectName.Length()<=KTokenSize,Panic(ESectionNameTooBig));
- __ASSERT_DEBUG(aKeyName.Length()<=KTokenSize,Panic(EKeyNameTooBig));
-
- return FindVar(aSectName,aKeyName,aResult, iPtrExpandedVars);
- }
-
-/**
- * Find a text value from given aKeyName and aSecName in the provided ini data pointer
- * @param aSectName Section containing key
- * @param aKeyName Key being searched for in aSectName
- * @param aResult On return, contains the text result
- * @param aIniDataPtr ini data pointer to be used to find the value
- * @return ETrue if found, otherwise EFalse
- */
-TBool CIniData::FindVar(const TDesC &aSectName,const TDesC &aKeyName,TPtrC &aResult, TPtr& aIniDataPtr)
- {
- TInt posStartOfSection(0);
- TInt posEndOfSection(aIniDataPtr.Length()); // Default to the entire length of the ini data
- TPtrC SearchBuf;
-
- // If we have a section, set pos to section start
- TInt posI(0); // Position in internal data Buffer
- if( aSectName.Length() > 0 )
- {
- TBool FoundSection(false);
- while ( ! FoundSection )
- {
- // Move search buffer to next area of interest
- SearchBuf.Set(aIniDataPtr.Mid(posI));
-
- // Make up token "[SECTIONNAME]", to search for
- TPtr sectionToken=iToken->Des();
- _LIT(sectionTokenFmtString,"[%S]");
- sectionToken.Format(sectionTokenFmtString,&aSectName);
-
- // Search for next occurrence of aSectName
- TInt posSB = SearchBuf.Find(sectionToken);
-
- if (posSB==KErrNotFound)
- return(EFalse);
-
- // Check this is at beginning of line (ie. non-commented)
- // ie. Check preceding char was LF
- if(posSB>0)
- {
- // Create a Buffer, starting one char before found subBuf
- TPtrC CharBefore(SearchBuf.Right(SearchBuf.Length()-posSB+1));
- // Check first char is end of prev
- if(CharBefore[0] == '\n')
- {
- FoundSection = ETrue; // found
- posI = posI + posSB;
- }
- else
- {
- posI = posI + posSB + 1; // try again
- }
- }
- else
- {
- FoundSection = ETrue;
- }
-
- } // while ( ! FoundSection )
-
- // Set start of section, after section name, (incl '[' and ']')
- posStartOfSection = posI + aSectName.Length() + 2;
-
- // Set end of section, by finding begin of next section or end
- SearchBuf.Set(aIniDataPtr.Mid(posI));
- _LIT(nextSectionBuf,"\n[");
- TInt posSB = SearchBuf.Find(nextSectionBuf);
- if(posSB != KErrNotFound)
- {
- posEndOfSection = posI + posSB;
- }
- else
- {
- posEndOfSection = aIniDataPtr.Length();
- }
-
- } // if( aSectName.Length() > 0 )
-
- // Look for key in ini file data Buffer
- posI = posStartOfSection;
- TBool FoundKey(false);
- while ( ! FoundKey )
- {
- // Search for next occurrence of aKeyName
- SearchBuf.Set(aIniDataPtr.Mid(posI,posEndOfSection-posI));
- TInt posSB = SearchBuf.Find(aKeyName);
-
- // If not found, return
- if (posSB==KErrNotFound)
- return(EFalse);
-
- // Check this is at beginning of line (ie. non-commented)
- // ie. Check preceding char was CR or LF
- if(posSB>0)
- {
- // Create a Buffer, starting one char before found subBuf
- TPtrC CharBefore(SearchBuf.Right(SearchBuf.Length()-posSB+1));
- // Check if the first char is end of prev and also check
- // if the token found is not a substring of another string
- TBool beginningOK = ((CharBefore[0] == '\n') || (CharBefore[0] == ' ') || (CharBefore[0] == '\t'));
- TBool endingOK = ((CharBefore[aKeyName.Length()+1] == '=') || (CharBefore[aKeyName.Length()+1] == ' ') || (CharBefore[aKeyName.Length()+1] == '\t'));
- if (beginningOK && endingOK)
- {
- FoundKey = ETrue;
- posI = posI + posSB;
- }
- else
- {
- posI = posI + posSB + 1;
- }
- }
- else
- {
- FoundKey = ETrue;
- }
- } // while ( ! FoundKey )
-
- // Set pos, to just after '=' sign
- SearchBuf.Set(aIniDataPtr.Mid(posI));
- TInt posSB = SearchBuf.Locate('=');
- if(posSB==KErrNotFound) // Illegal format, should flag this...
- return(EFalse);
-
- // Identify start and end of data (EOL or EOF)
- posI = posI + posSB + 1; // 1 char after '='
- TInt posValStart = posI;
- TInt posValEnd;
- SearchBuf.Set(aIniDataPtr.Mid(posI));
- posSB = SearchBuf.Locate('\n');
- if(posSB!=KErrNotFound)
- {
- // ini file uses LF for EOL
- posValEnd = posI + posSB;
- }
- else
- {
- posValEnd = aIniDataPtr.Length();
- }
-
- // Check we are still in the section requested
- if( aSectName.Length() > 0 )
- {
- if( posValEnd > posEndOfSection )
- {
- return(EFalse);
- }
- }
- // Parse Buffer from posn of key
- // Start one space after '='
- TLex lex(aIniDataPtr.Mid(posValStart, posValEnd-posValStart));
- lex.SkipSpaceAndMark(); // Should be at the start of the data
- aResult.Set(lex.MarkedToken().Ptr(),posValEnd-posValStart - lex.Offset() );
-
- TInt filterOffset;
-
- // Mark the offset value to the end of the value string
- filterOffset = aResult.Length() - 1;
-
- // Loop from end of the value string marked by the offset fetched by above process
- // And check to see if there is spaces, tabs or carriage returns
- while(filterOffset >= 0 &&
- (aResult[filterOffset] == '\t' ||
- aResult[filterOffset] == ' ' ||
- aResult[filterOffset] == '\r'))
- {
- // If found, reduce the offset by 1 for every space and tab during the while loop
- filterOffset--;
- }
-
- // The final offset value indicating end of actual value
- // within the ini data is set to the result string reference passed in
- aResult.Set(aResult.Mid(0,filterOffset + 1));
-
- return(ETrue);
- }
-
-/**
- * Find an integer value from given aKeyName regardless the section in the ini data file
- * @param aKeyName Key being searched for
- * @param aResult On return, contains the TInt result
- * @return ETrue if found, otherwise EFalse
- */
-EXPORT_C TBool CIniData::FindVar(const TDesC &aKeyName, TInt &aResult)
- {
- TPtrC ptr(NULL,0);
- if (FindVar(aKeyName,ptr))
- {
- TLex lex(ptr);
- if (lex.Val(aResult)==KErrNone)
- return(ETrue);
- }
- return(EFalse);
- }
-
-/**
- * Find an integer value from given aKeyName and aSecName in the ini data file
- * @param aSectName Section containing key
- * @param aKeyName Key being searched for in aSectName
- * @param aResult On return, contains TInt result
- * @return ETrue if found, otherwise EFalse
- */
-EXPORT_C TBool CIniData::FindVar(const TDesC &aSection,const TDesC &aKeyName,TInt &aResult)
- {
- TPtrC ptr(NULL,0);
- if (FindVar(aSection,aKeyName,ptr))
- {
- TLex lex(ptr);
- if (lex.Val(aResult)==KErrNone)
- return(ETrue);
- }
- return(EFalse);
- }
-/**
- * Find an 64-bit integer value from given aKeyName and aSecName in the ini data file
- * @param aSectName Section containing key
- * @param aKeyName Key being searched for in aSectName
- * @param aResult On return, contains TInt64 result
- * @return ETrue if found, otherwise EFalse
- */
-EXPORT_C TBool CIniData::FindVar(const TDesC &aSection, // Section to look under
- const TDesC &aKeyName, // Key to look for
- TInt64 &aResult) // Int64 ref to store result
- {
- TPtrC ptr(NULL,0);
- if (FindVar(aSection,aKeyName,ptr))
- {
- TLex lex(ptr);
- if (lex.Val(aResult)==KErrNone)
- return(ETrue);
- }
- return(EFalse);
- }
-/**
- * Set a text value to given aKeyName and aSecName in the ini data file
- * @param aSectName Section containing key
- * @param aKeyName Key being set in aSectName
- * @param aValue A text value set for the aKeyName in section ASecName
- * @return KErrNone if sucessful, otherwise system error
- */
-EXPORT_C TInt CIniData::SetValue(const TDesC& aSection,const TDesC& aKeyName,const TDesC& aValue)
- {
- // First find the variable - this gives us a descriptor into the
- // ini data giving the bound of the item that has got to be replaced.
- TPtrC ptr;
-
- if (!FindVar(aSection, aKeyName, ptr, iPtr))
- return KErrNotFound;
-
- TInt pos = ptr.Ptr()-iPtr.Ptr();
- TInt size = iPtr.Length()+aValue.Length()-ptr.Length();
-
- if (size>iPtr.MaxLength())
- {
- size = size * sizeof(TText);
- TText* newdata = (TText*)User::ReAlloc((TUint8*)iPtr.Ptr(), size);
- if (newdata == 0)
- return KErrNoMemory;
-
- iPtr.Set(newdata, iPtr.Length(), iPtr.Length()>size/(TInt)sizeof(TText)?iPtr.Length():size/(TInt)sizeof(TText));
- }
- iPtr.Replace(pos, ptr.Length(), aValue);
- return(KErrNone);
- }
-
-/**
- * Set a text value to given aKeyName regardless of the section in the ini data file
- * @param aKeyName Key being searched for
- * @param aValue A text value set for the aKeyName
- * @return KErrNone if sucessful, otherwise system error
- */
-EXPORT_C TInt CIniData::SetValue(const TDesC& aKeyName,const TDesC& aValue)
- {
- // Call with no section, so starts at beginning
- return SetValue((TDesC&)KNullDesC, aKeyName, aValue);
- }
-
-/**
- * Add key aKeyName to end of ini data file
- * @param aKeyName aKeyName Key being added
- * @param aValue Text value assigned to the aKeyName
- * @return KErrNone if sucessful, otherwise system error
- */
-EXPORT_C TInt CIniData::AddValue(const TDesC& aKeyName,const TDesC& aValue)
- {
- // Call with no section, so starts at beginning
- return AddValue((TDesC&)KNullDesC, aKeyName, aValue);
- }
-
-/**
- * Add key aKeyName to section aSectName
- * @param aSectName Section
- * @param aKeyName Key being added to section aSectName
- * @param aValue A text value added to the aKeyName
- * @return KErrNone if sucessful, otherwise system error
- */
-EXPORT_C TInt CIniData::AddValue(const TDesC& aSectName,const TDesC& aKeyName,const TDesC& aValue)
- {
- // The request will be denied if the variable exists.
- //
- // If the variable is not there then making an implementation.
- // If the Section name existed in the ini file then just append it
- // to this section otherwise append the section, key name and
- // variable at the end of the ini file.
- TPtrC ptr;
-
- if (FindVar(aSectName, aKeyName, ptr))
- return KErrAlreadyExists; // an key name exists,
- // not allow to add value again to same key
- /////////////////////////////
- TPtr insertSection =iToken->Des();
- TInt size;
-
- TInt posEndOfSection(iPtr.Length()); // Default to the entire length of the ini data
- TPtrC SearchBuf;
-
- // If there is a section, set pos to section start
- TInt posI(0); // Initiate to 0. Position in internal data Buffer
- TInt posSB(0);
- if( aSectName.Length() > 0 )
- {
- TBool FoundSection(false);
- while ( ! FoundSection )
- {
- // Move search buffer to next area of interest
- SearchBuf.Set(iPtr.Mid(posI));
-
- // Make up token "[SECTIONNAME]", to search for
- TPtr sectionToken=iToken->Des();
- _LIT(sectionTokenFmtString,"[%S]");
- sectionToken.Format(sectionTokenFmtString,&aSectName);
-
- // Search for next occurrence of aSectName
- posSB = SearchBuf.Find(sectionToken);
-
- // If not found, return
- if (posSB==KErrNotFound)
- {
- FoundSection = ETrue; //Stop while searching
- _LIT(insertSectionfmt,"\r\n[%S]\r\n%S = %S\r\n"); //if there is no section existed
- insertSection.Format(insertSectionfmt,&aSectName,&aKeyName, &aValue);
- }
-
-
- // Check this is at beginning of line (ie. non-commented)
- // ie. Check preceding char was LF
- if(posSB>=0)
- {
- // Create a Buffer, starting one char before found subBuf
- TPtrC CharBefore(SearchBuf.Right(SearchBuf.Length()-posSB+1));
- // Check first char is end of prev
- if(CharBefore[0] == '\n' or posSB == 0)
- {
- FoundSection = ETrue; // found
- posI = posI + posSB;
- _LIT(insertSectionfmt,"\r\n%S = %S\r\n"); //if there is no section existed
- insertSection.Format(insertSectionfmt,&aKeyName, &aValue);
- }
- else
- {
- posI = posI + posSB + 1; // try again
- }
- }
- else
- {
- FoundSection = ETrue; //found at the beginning of the search buffer
- }
-
- } // while ( ! FoundSection )
-
- // Set start of section, after section name, (incl '[' and ']')
- if(posSB!=KErrNotFound)
- {
-
- // Set end of section, by finding begin of next section or end
- SearchBuf.Set(iPtr.Mid(posI));
- _LIT(nextSectionBuf,"\n[");
- TInt posSB = SearchBuf.Find(nextSectionBuf);
- if(posSB != KErrNotFound)
- {
- posEndOfSection = posI + posSB+1; //insert it between \n and [
- }
- else
- {
- posEndOfSection = iPtr.Length();
- }
- }
-
- } // if( aSectName.Length() > 0 )
-
- // append/insert here
- size = (iPtr.Length()+ insertSection.Length())*sizeof(TText);
- if (size>iPtr.MaxLength())
- {
- TText* newdata = (TText*)User::ReAlloc((TUint8*)iPtr.Ptr(), size);
- if (newdata == 0)
- return KErrNoMemory;
-
- iPtr.Set(newdata, iPtr.Length(), size/(TInt)sizeof(TText));
- }
-
- iPtr.Insert(posEndOfSection,insertSection);
- return(KErrNone);
- }
-
-
-/**
- * A method used to flush the data in the buffer to the file given in second-phase constructor
- */
-EXPORT_C void CIniData::WriteToFileL()
- {
-
-#ifndef __WINC__
-
- TAutoClose<RFs> fs;
- User::LeaveIfError(fs.iObj.Connect());
- fs.PushL();
-
- TAutoClose<RFile> file;
- User::LeaveIfError(file.iObj.Replace(fs.iObj,*iName,EFileStreamText|EFileShareExclusive));
- file.PushL();
-
- // convert 16 bits to 8 bits stream
-
- HBufC8* buf8 = HBufC8::NewL(iPtr.Length());
- TPtr8 ptr8(buf8->Des());
- ptr8.Copy(iPtr);
- User::LeaveIfError(file.iObj.Write(ptr8));
-
- delete buf8;
-
- // Refresh the iPtrExpandedVars with the new written ini file content
- // Repeat the process of expanding the ${SYSDRIVE}
- UpdateVariablesL();
-
- file.Pop();
- fs.Pop();
-#endif
- }