launcher/src/launcherxmlparser.cpp
branchRCL_3
changeset 21 b3cee849fa46
parent 20 48060abbbeaf
child 22 fad26422216a
--- a/launcher/src/launcherxmlparser.cpp	Thu Aug 19 09:55:38 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,428 +0,0 @@
-/*
-* Copyright (c) 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:  
-*
-*/
-#include <f32file.h>
-#include <xml/documentparameters.h>
-#include "launcherxmlparser.h"
-#include "launchertraces.h"
-
-_LIT8(KXmlMimeType, "text/xml");
-
-/**
- * XML element names
- */
-_LIT8(KDll, "dll");
-_LIT8(KDllName, "dllname");
-_LIT8(KUID1, "uid1");
-_LIT8(KUID2, "uid2");
-_LIT8(KUID3, "uid3");
-_LIT8(KSID, "sid");
-_LIT8(KCapability, "capability");
-
-// ---------------------------------------------------------------------------
-
-CLauncherXMLParser::CLauncherXMLParser(RFs& aFs)
-:
-CActive( EPriorityLow ),
-iParser(0),
-iFileSession(aFs),
-iParsedBytes(0)
-    {
-    CActiveScheduler::Add( this );
-    }
-
-// ---------------------------------------------------------------------------
-
-void CLauncherXMLParser::ConstructL()
-    {
-    LOGSTRING("Launcher: CLauncherXMLParser::ConstructL");
-    }
-
-// ---------------------------------------------------------------------------
-
-CLauncherXMLParser* CLauncherXMLParser::NewL(RFs& aFs)
-    {
-    LOGSTRING("Launcher: CLauncherXMLParser::NewL");
-    CLauncherXMLParser* self = CLauncherXMLParser::NewLC(aFs);    
-    CleanupStack::Pop();
-    return self;
-    }
-
-// ---------------------------------------------------------------------------
-
-CLauncherXMLParser* CLauncherXMLParser::NewLC(RFs& aFs)
-    {
-    LOGSTRING("Launcher: CLauncherXMLParser::NewLC");
-    CLauncherXMLParser* self = new (ELeave) CLauncherXMLParser(aFs);
-    CleanupStack::PushL(self);
-    self->ConstructL();
-    return self;
-    }
-
-// ---------------------------------------------------------------------------
-
-CLauncherXMLParser::~CLauncherXMLParser()
-    {
-    LOGSTRING("Launcher: CLauncherXMLParser::~CLauncherXMLParser");
-    Cancel();
-    delete iParser;
-    delete iCurrentDllElement;    
-    }
-
-// ---------------------------------------------------------------------------
-
-void CLauncherXMLParser::ClearXMLDataBuffer()
-    {
-    iXMLDataBuffer.Zero();
-    }
-
-// ---------------------------------------------------------------------------
-
-void CLauncherXMLParser::DoCancel()
-    {
-    LOGSTRING("Launcher: CLauncherXMLParser::DoCancel");
-    iIgnoreError = ETrue;
-    if( iParser )
-        {
-        TRAP_IGNORE(iParser->ParseEndL());
-        }
-    iFile.Close();
-    ClearXMLDataBuffer();
-    }
-
-// ---------------------------------------------------------------------------
-// Gives current buffer content to parser for processing. Then reads
-// next part of the file in the buffer and waits for next scheduled run.
-
-void CLauncherXMLParser::RunL()
-    {
-    TInt err = iStatus.Int();
-    LOGSTRING2("Launcher: CLauncherXMLParser::RunL - iStatus: %d", err);
-    if( err != KErrNone )
-        {
-        iObserver->DocumentParsedL(err); // Observer should cancel parsing        
-        iFile.Close();
-        ClearXMLDataBuffer();
-        }
-    else
-        {        
-        iParsedBytes += iXMLDataBuffer.Length();
-        iObserver->ParsingProgressedL(iParsedBytes);
-        // Check if the end of the file is reached:
-        if( iXMLDataBuffer.Length() > 0)
-            {
-            // Parse the data in buffer 
-            LOGSTRING("Launcher: CLauncherXMLParser::RunL: Starting XML parsing");
-            if( iParser )
-                {
-                iParser->ParseL( iXMLDataBuffer );
-                }
-            else
-                {
-                LOGSTRING("CLauncherXMLParser::RunL - Error: NULL parser");
-                User::Leave(KErrGeneral);
-                }
-            // Read new data from XML file to buffer:
-            iFile.Read( iXMLDataBuffer, KXMLBufferSize, iStatus );
-            SetActive();
-            }
-        else
-            {
-            // End of the file reached. Stop parsing and close the file:
-            LOGSTRING("Launcher: CLauncherXMLParser::RunL: Data parsed. Stopping");
-            if( iParser )
-                {
-                iParser->ParseEndL();
-                }
-            iFile.Close();
-            ClearXMLDataBuffer();
-            }    
-        }
-    }
-
-// ---------------------------------------------------------------------------
-
-void CLauncherXMLParser::ParseL(const TDesC& aFilePath, MLauncherParserObserver* aObserver)
-    {
-    LOGSTRING2("Launcher: CLauncherXMLParser::ParseL: %S", &aFilePath);
-    iIgnoreError = EFalse;
-    iParsedBytes = 0;
-    if ( IsActive() )
-        {
-        Cancel();
-        }
-    
-    if( aObserver == 0 )
-        {
-        LOGSTRING("Launcher: CLauncherXMLParser::ParseL: Error: Observer is a NULL pointer.");
-        User::Leave(KErrArgument);
-        }
-    
-    // Open the XML-file
-    TInt err = iFile.Open( iFileSession, aFilePath, EFileRead );
-    User::LeaveIfError( err );
-    
-    // Create and start XML-parser:
-    delete iParser;
-    iParser = 0;
-    iParser = CParser::NewL(KXmlMimeType, *this);        
-        
-    // Set observer:
-    iObserver = aObserver;
-    
-    // Initialize the buffer and read first part of the XML-file:
-    ClearXMLDataBuffer();
-    iFile.Read( iXMLDataBuffer, KXMLBufferSize, iStatus );
-    SetActive();   
-    iParser->ParseBeginL(); // Reset the parser to xml-filetype
-    }
-
-// ---------------------------------------------------------------------------
-
-void CLauncherXMLParser::OnStartDocumentL(const Xml::RDocumentParameters& /*aDocParam*/, TInt aErrorCode)
-    {    
-    LOGSTRING2("Launcher: CLauncherXMLParser::OnStartDocumentL (Error code: %d)", aErrorCode);
-    if( aErrorCode != KErrNone )
-        {
-        iObserver->DocumentParsedL(aErrorCode);
-        }
-    }
-
-// ---------------------------------------------------------------------------
-
-void CLauncherXMLParser::OnEndDocumentL(TInt aErrorCode)
-    {    
-    LOGSTRING2("Launcher: CLauncherXMLParser::OnEndDocumentL (Error code: %d)", aErrorCode);    
-    iObserver->DocumentParsedL(aErrorCode);
-    }
-
-// ---------------------------------------------------------------------------
-
-void CLauncherXMLParser::OnStartPrefixMappingL( const RString& /*aPrefix*/, 
-                                                const RString& /*aUri*/, 
-                                                TInt aErrorCode)
-    {    
-    LOGSTRING2("Launcher: CLauncherXMLParser::OnStartPrefixMappingL (Error code: %d)", aErrorCode);
-    if( aErrorCode != KErrNone )
-        {
-        iObserver->DocumentParsedL(aErrorCode);
-        }
-    }
-
-// ---------------------------------------------------------------------------
-
-void CLauncherXMLParser::OnEndPrefixMappingL(const RString& /*aPrefix*/, TInt aErrorCode)
-    {
-    LOGSTRING2("Launcer: CLauncherXMLParser::OnEndPrefixMappingL (Error code: %d)", aErrorCode);
-    if( aErrorCode != KErrNone )
-        {
-        iObserver->DocumentParsedL(aErrorCode);
-        }
-    }
-
-// ---------------------------------------------------------------------------
-
-void CLauncherXMLParser::OnIgnorableWhiteSpaceL(const TDesC8& /*aBytes*/, TInt aErrorCode)
-    {
-    LOGSTRING2("Launcher: CLauncherXMLParser::OnIgnorableWhiteSpaceL (Error code: %d)", aErrorCode);
-    if( aErrorCode != KErrNone )
-        {
-        iObserver->DocumentParsedL(aErrorCode);
-        }
-    }
-
-// ---------------------------------------------------------------------------
-
-void CLauncherXMLParser::OnSkippedEntityL(const RString& /*aName*/, TInt aErrorCode)
-    {
-    LOGSTRING2("Launcher: CLauncherXMLParser::OnSkippedEntityL (Error code: %d)", aErrorCode);
-    if( aErrorCode != KErrNone )
-        {
-        iObserver->DocumentParsedL(aErrorCode);
-        }
-    }
-
-// ---------------------------------------------------------------------------
-
-void CLauncherXMLParser::OnProcessingInstructionL(  const TDesC8& /*aTarget*/, 
-                                    const TDesC8& /*aData*/, 
-                                    TInt aErrorCode)
-    {
-    LOGSTRING2("Launcher: CLauncherXMLParser::OnProcessingInstructionL (Error code: %d)", aErrorCode);
-    if( aErrorCode != KErrNone )
-        {
-        iObserver->DocumentParsedL(aErrorCode);
-        }
-    }
-
-// ---------------------------------------------------------------------------
-
-void CLauncherXMLParser::OnError(TInt aErrorCode)
-    {
-    LOGSTRING2("Launcher: CLauncherXMLParser::OnError: %d", aErrorCode);    
-    if( iIgnoreError == EFalse )
-        {        
-        TRAP_IGNORE(iObserver->DocumentParsedL(aErrorCode));
-        }
-    }
-
-// ---------------------------------------------------------------------------
-
-TAny* CLauncherXMLParser::GetExtendedInterface(const TInt32 aUid)
-    {
-    LOGSTRING2("Launcher: CLauncherXMLParser::GetExtendedInterface (UID: %d)", aUid);
-    return 0;
-    }
-
-// ---------------------------------------------------------------------------
-
-void CLauncherXMLParser::OnStartElementL(   const RTagInfo& aElement,
-                                            const RAttributeArray& /*aAttributes*/,
-                                            TInt aErrorCode)
-    {
-    LOGSTRING2("Launcher: CLauncherXMLParser::OnStartElementL (Error code: %d)", aErrorCode);
-    if( aErrorCode != KErrNone )
-        {
-        iObserver->DocumentParsedL(aErrorCode);
-        }
-    else
-        {
-        // Save XML-element name:
-        iCurrentElementName = aElement.LocalName().DesC();
-    
-        // If this is 'dll'-element, initialize new DLL element instance:
-        if( iCurrentDllElement == 0 && iCurrentElementName == KDll )
-            {
-            iCurrentDllElement = CLauncherDLLElement::NewL();
-            }
-        // Clear contents buffer:
-        iCurrentContent.Zero();
-        }
-    }
-
-// ---------------------------------------------------------------------------
-
-void CLauncherXMLParser::OnEndElementL(const RTagInfo& aElement, TInt aErrorCode)
-    {   
-    LOGSTRING2("Launcher: CLauncherXMLParser::OnEndElementL (Error code: %d)", aErrorCode);
-    if( aErrorCode != KErrNone )
-        {
-        iObserver->DocumentParsedL(aErrorCode);
-        }
-    else
-        {
-        // Save XML-element's name:        
-        iCurrentElementName = aElement.LocalName().DesC();    
-        TUid tmpUID;
-
-        if( IsDataElement() )
-            {        
-            // Check that we have a pointer to parent DLL element
-            if( iCurrentDllElement == 0 )
-                {
-                LOGSTRING("Launcher: CLauncherXMLParser: Error in parsing xml (parent DLL element missing).");
-                User::Leave(KErrGeneral);
-                }
-            // DLL name
-            if( iCurrentElementName == KDllName )
-                {
-                TFileName dllName;
-                dllName.Copy(iCurrentContent);
-                iCurrentDllElement->SetNameL(dllName);
-                }
-            // UID1
-            else if( iCurrentElementName == KUID1 )
-                {
-                tmpUID.iUid = ConvertDes8ToUint32L(iCurrentContent);
-                iCurrentDllElement->SetUID1L(tmpUID);
-                }
-            // UID2
-            else if( iCurrentElementName == KUID2 )
-                {
-                tmpUID.iUid = ConvertDes8ToUint32L(iCurrentContent);
-                iCurrentDllElement->SetUID2L(tmpUID);
-                }
-            // UID3
-            else if( iCurrentElementName == KUID3 )
-                {
-                tmpUID.iUid = ConvertDes8ToUint32L(iCurrentContent);
-                iCurrentDllElement->SetUID3L(tmpUID);
-                }
-            // SID
-            else if( iCurrentElementName == KSID )
-                {
-                tmpUID.iUid = ConvertDes8ToUint32L(iCurrentContent);
-                iCurrentDllElement->SetSIDL(tmpUID);
-                }
-            // Capability
-            else if( iCurrentElementName == KCapability )
-                {            
-                iCurrentDllElement->SetCapabilityL(ConvertDes8ToUint32L(iCurrentContent));
-                }
-            }
-        else if( iCurrentElementName == KDll )
-            {
-            // DLL element parsed, give current DLL object to observer:
-            iObserver->ElementParsedL(*iCurrentDllElement);
-            }
-        }
-    }
-
-// ---------------------------------------------------------------------------
-
-TBool CLauncherXMLParser::IsDataElement()
-    {
-    if( iCurrentElementName == KDllName ||
-        iCurrentElementName == KUID1 ||
-        iCurrentElementName == KUID2 ||
-        iCurrentElementName == KUID3 ||
-        iCurrentElementName == KSID ||
-        iCurrentElementName == KCapability )
-        {
-        return ETrue;
-        }
-    return EFalse;
-    }
-
-// ---------------------------------------------------------------------------
-// Reads content of an xml-element.
-
-void CLauncherXMLParser::OnContentL(const TDesC8& aBytes, TInt aErrorCode)
-    {
-    LOGSTRING2("Launcher: CLauncherXMLParser::OnContentL (Error code: %d)", aErrorCode);
-    if( aErrorCode != KErrNone )
-        {
-        iObserver->DocumentParsedL(aErrorCode);
-        }
-    else if( iCurrentElementName.Length() == 0)
-        {
-        LOGSTRING("Launcher: CLauncherXMLParser: Error in parsing xml (element name missing).");
-        User::Leave(KErrGeneral);
-        }
-    iCurrentContent.Append(aBytes);
-    }
-
-// ---------------------------------------------------------------------------
-
-TUint32 CLauncherXMLParser::ConvertDes8ToUint32L(const TDesC8& aStr)
-    {
-    LOGSTRING("Launcher: CLauncherXMLParser::ConvertDes8ToUintL");
-    TUint32 uintVal = 0;
-    TLex8 lex(aStr);
-    TInt errorCode=lex.Val(uintVal, EHex);
-    User::LeaveIfError(errorCode);
-    return uintVal;
-    }