diff -r 000000000000 -r c9bc50fca66e usbmgmt/usbmgr/inifile/src/inifile.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/usbmgmt/usbmgr/inifile/src/inifile.cpp Tue Feb 02 02:02:59 2010 +0200 @@ -0,0 +1,237 @@ +/* +* Copyright (c) 2002-2009 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: +* Defines the class CIniFile for accessing ini file. +* +*/ + +/** + @file +*/ + +#include +#include "inifile.h" +#include + +#ifdef __FLOG_ACTIVE +_LIT8(KLogComponent, "IniFile"); +#endif + + +const TUint KTokenSize = 32; +_LIT(KDefaultIniFileDir,"\\"); + +void CIniFile::Panic(TIniPanic aPanic) + { + _LIT(KIniData,"CIniFile"); + _USB_PANIC(KIniData,aPanic); + } + +CIniFile::CIniFile() + : iPtr(NULL,0) + { + LOG_FUNC + } + +CIniFile::~CIniFile() + { + delete (TText*)iPtr.Ptr(); + delete iToken; + delete iName; + } + +CIniFile* CIniFile::NewL(const TDesC& aName) +/** + * Factory function for CIniFile. + * + * @param aName The name of the ini file to be used, e.g. "GPRSBTT.INI". + */ + { + LOG_STATIC_FUNC_ENTRY + + CIniFile* self = new(ELeave) CIniFile; + CleanupStack::PushL(self); + self->ConstructL(aName, KDefaultIniFileDir); + CleanupStack::Pop(self); + return self; + } + +CIniFile* CIniFile::NewL(const TDesC& aName, const TDesC& aPath) +/** + * Factory function for CIniFile that allows the user to specify both filename + * and path + * + * @param aName The name of the ini file to be used, e.g. "GPRSBTT.INI". + * @param aPath The location of the file e.g. "\\system\\data\\". + */ + { + LOG_STATIC_FUNC_ENTRY + + CIniFile* self = new(ELeave) CIniFile; + CleanupStack::PushL(self); + self->ConstructL(aName, aPath); + CleanupStack::Pop(self); + return self; + } + +void CIniFile::ConstructL(const TDesC& aName, const TDesC& aPath) +/** + * Allocate a buffer and Read file's contents into iPtr + * + * @param aName is the name of the ini file to be used, e.g. "REFTSY.INI" + */ + { + iToken = HBufC::NewL(KTokenSize+2); // 2 extra chars for [] + + RFs fs; + LEAVEIFERRORL(fs.Connect()); + CleanupClosePushL(fs); + + TFindFile ff(fs); + + LEAVEIFERRORL(ff.FindByDir(aName, aPath)); + + iName = ff.File().AllocL(); + + RFile file; + TInt size; + LEAVEIFERRORL(file.Open(fs,*iName,EFileStreamText|EFileRead|EFileShareReadersOnly)); + CleanupClosePushL(file); + + LEAVEIFERRORL(file.Size(size)); + + + TText* data = REINTERPRET_CAST(TText*, User::AllocL(size)); + iPtr.Set(data, size/sizeof(TText), size/sizeof(TText)); + TPtr8 dest(REINTERPRET_CAST(TUint8*,data), 0, size); + LEAVEIFERRORL(file.Read(dest)); + + TUint8* ptr = REINTERPRET_CAST(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>= STATIC_CAST(TInt,sizeof(TText)) && iPtr[0]==0xFEFF) + { + Mem::Copy(ptr, ptr+sizeof(TText), size-sizeof(TText)); + iPtr.Set(data, size/sizeof(TText)-1, size/sizeof(TText)-1); + } + else if(size) + { + TText* newdata = REINTERPRET_CAST(TText*, + User::AllocL(size*sizeof(TText))); + iPtr.Set(newdata, size, size); + TInt i; + for(i=0 ; iDes(); + _LIT(KSectionTokenString,"[%S]"); + sectionToken.Format(KSectionTokenString,&aSection); + TInt sectionStart = iPtr.Find(sectionToken); + TInt ret = ETrue; + if (sectionStart == KErrNotFound) + { + ret = EFalse; + } + else + { + TPtrC section = iPtr.Mid(sectionStart); + TInt endBracket = section.Find(TPtrC(_S("]"))); + if (endBracket == KErrNotFound) + { + ret = EFalse; + } + else + { + sectionStart += endBracket + 1; + section.Set(iPtr.Mid(sectionStart)); + + TInt sectionEnd = section.Find(TPtrC(_S("["))); + if (sectionEnd == KErrNotFound) + { + sectionEnd = iPtr.Length() - sectionStart; + } + else + { + sectionEnd--; + } + section.Set(iPtr.Mid(sectionStart,sectionEnd)); + TPtr varToken = iToken->Des(); + _LIT(KVarTokenString,"%S="); + varToken.Format(KVarTokenString,&aVarName); + TInt pos = section.Find(varToken); + if (pos == KErrNotFound) + { + ret = EFalse; + } + else + { + // 'lex' points at the start of the data + TPtrC lex(section.Mid(pos)); + TInt startpos = lex.Locate(TChar('=')); + startpos++; // startpos points immediately after the =. + while ( TChar(lex[startpos]).IsSpace() ) + { + startpos++; // skip to start of data + } + TInt endpos = lex.Locate(TChar('\n')); // assumes \n is after =. + if ( endpos == KErrNotFound ) // may not be \n on last line + { + endpos = section.Length()-1; + } + aResult.Set(lex.Mid(startpos).Ptr(),endpos-startpos-1); + } + } + } + + return ret; + } + +TBool CIniFile::FindVar(const TDesC &aSection,const TDesC &aVarName, + TInt &aResult) + { + TInt ret = EFalse; + TPtrC ptr(NULL,0); + if (FindVar(aSection,aVarName,ptr)) + { + TLex lex(ptr); + if (lex.Val(aResult)==KErrNone) + ret = ETrue; + } + + return ret; + } + +// +// End of file