--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/resourcemgmt/hwresourcesmgr/common/src/inifile.cpp Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,184 @@
+// 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 "inifile.h"
+#include <f32file.h>
+
+CIniFile::CIniFile()
+ : iPtr(NULL,0)
+ {
+ }
+
+EXPORT_C CIniFile::~CIniFile()
+ {
+ delete (TText*)iPtr.Ptr();
+ delete iToken;
+ delete iName;
+ }
+
+EXPORT_C CIniFile* CIniFile::NewL(const TDesC& aName, const TDesC& aPath)
+/**
+ * Factory function for CIniFile.which passes in the path of the file and its name.
+ *
+ * @param aName The name of the ini file to be used, e.g. "TRPAT.INI".
+ */
+ {
+ CIniFile* p = new(ELeave) CIniFile();
+ CleanupStack::PushL(p);
+ p->ConstructL(aName, aPath);
+ CleanupStack::Pop(p);
+
+ return p;
+ }
+
+void CIniFile::ConstructL(const TDesC& aName, const TDesC& aPath)
+/**
+ * Allocate a buffer and Read file's contents into iPtr
+ *
+ */
+ {
+ iToken = HBufC::NewL(KTokenSize+2); // 2 extra chars for []
+
+ TAutoClose<RFs> fs;
+ User::LeaveIfError(fs.iObj.Connect());
+ fs.PushL();
+
+ TFindFile ff(fs.iObj);
+
+ // For security reasons ini files are in the private directory for the
+ // comms-infras/rootserver (C32exe) process.
+ TBuf<KMaxPath> privatePath;
+
+ privatePath = aPath;
+ User::LeaveIfError(ff.FindByDir(aName, privatePath));
+
+ iName=ff.File().AllocL();
+
+ TAutoClose<RFile> file;
+ TInt size;
+ User::LeaveIfError(file.iObj.Open(fs.iObj,*iName,EFileStreamText|EFileRead|EFileShareReadersOnly));
+ file.PushL();
+
+ User::LeaveIfError(file.iObj.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);
+ User::LeaveIfError(file.iObj.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 ; i<size ; ++i)
+ iPtr[i]=ptr[i];
+ delete data;
+ }
+
+ file.Pop();
+ fs.Pop();
+ }
+
+EXPORT_C TBool CIniFile::FindVar(const TDesC &aSection,
+ const TDesC &aVarName,
+ TPtrC &aResult)
+//
+// Find a variable's value given a section name and a var name
+//
+ {
+ __ASSERT_DEBUG(aSection.Length()<=KTokenSize, User::Panic(_L("CIniFile"),ESectionNameTooBig));
+ __ASSERT_DEBUG(aVarName.Length()<=KTokenSize,User::Panic(_L("CIniFile"),EVarNameTooBig));
+
+ TPtr sectionToken=iToken->Des();
+ _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);
+ sectionStart+=section.Find(TPtrC(_S("]")));
+ if (sectionStart==KErrNotFound)
+ ret = EFalse;
+ else
+ {
+ sectionStart++;
+ 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(KVarTokenString1,"%S=");
+ _LIT(KVarTokenString2,"%S =");
+ varToken.Format(KVarTokenString1,&aVarName);
+ TInt pos=section.Find(varToken);
+
+ if (pos == KErrNotFound)
+ {
+ varToken.Format(KVarTokenString2,&aVarName);
+ 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 = lex.Length() + 1;
+ aResult.Set(lex.Mid(startpos).Ptr(),endpos-startpos-1);
+ }
+ }
+ }
+
+ return ret;
+ }
+
+//
+// End of file