--- a/mtpdataproviders/mtppictbridgedp/pictbridgeengine/src/dpsxmlparser.cpp Tue Aug 31 16:03:15 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,445 +0,0 @@
-/*
-* Copyright (c) 2006, 2007 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: This class parses the dps xml script.
-*
-*/
-
-
-#include <e32debug.h>
-#include "dpsxmlparser.h"
-#include "dpsconst.h"
-#include "pictbridge.h"
-#include "dpsxmlstring.h"
-
-#ifdef _DEBUG
-# define IF_DEBUG(t) {RDebug::t;}
-# define PRINT_DES(t)\
- {TBuf<KMaxArgLen> _buf; _buf.Copy(t);RDebug::Print(_L("---%S"), &_buf);}
-#else
-# define IF_DEBUG(t)
-# define PRINT_DES(t)
-#endif
-
-// ---------------------------------------------------------------------------
-//
-// ---------------------------------------------------------------------------
-//
-CDpsXmlParser* CDpsXmlParser::NewL(CDpsEngine* aEngine)
- {
- IF_DEBUG(Print(_L("CDpsXmlParser::NewL")));
- CDpsXmlParser* self = new (ELeave) CDpsXmlParser(aEngine);
- return self;
- }
-
-// ---------------------------------------------------------------------------
-//
-// ---------------------------------------------------------------------------
-//
-CDpsXmlParser::~CDpsXmlParser()
- {
- IF_DEBUG(Print(_L(">>>~CDpsXmlParser")));
- iDpsArgs.Close();
- __IF_DEBUG(Print(_L("<<<~CDpsXmlParser")));
- }
-
-// ---------------------------------------------------------------------------
-//
-// ---------------------------------------------------------------------------
-//
-CDpsXmlParser::CDpsXmlParser(CDpsEngine* aEngine) : iEngine(aEngine)
- {
- IF_DEBUG(Print(_L(">>>CDpsXmlParser::Ctor")));
- Reset();
- IF_DEBUG(Print(_L("<<<CDpsXmlParser::Ctor")));
- }
-
-// ---------------------------------------------------------------------------
-//
-// ---------------------------------------------------------------------------
-//
-void CDpsXmlParser::OnStartDocumentL(
- const RDocumentParameters& /*aDocParam*/, TInt aErrorCode)
- {
- IF_DEBUG(Print(_L(">>>CDpsXmlParser::OnStartDocumentL")));
- if (aErrorCode != KErrNone)
- {
- IF_DEBUG(Print(_L("---, error code is %d"), aErrorCode));
- User::Leave(aErrorCode);
- }
- IF_DEBUG(Print(_L("<<<CDpsXmlParser::OnStartDocumentL")));
- }
-
-// ---------------------------------------------------------------------------
-//
-// ---------------------------------------------------------------------------
-//
-void CDpsXmlParser::OnEndDocumentL(TInt aErrorCode)
- {
- IF_DEBUG(Print(_L(">>>CDpsXmlParser::OnEndDocumentL")));
- if (aErrorCode != KErrNone)
- {
- IF_DEBUG(Print(_L("---, error code is %d"), aErrorCode));
- User::Leave(aErrorCode);
- }
-
- IF_DEBUG(Print(_L("<<<CDpsXmlParser::OnEndDocumentL")));
- }
-
-// ---------------------------------------------------------------------------
-//
-// ---------------------------------------------------------------------------
-//
-void CDpsXmlParser::OnStartElementL(const RTagInfo& aElement,
- const RAttributeArray& aAttributes,
- TInt aErrCode)
- {
- IF_DEBUG(Print(_L(">>>CDpsXmlParser::OnStartElementL")));
-
- if (aErrCode != KErrNone)
- {
- IF_DEBUG(Print(_L("---, error code is %d"), aErrCode));
- User::Leave(aErrCode);
- }
- if (aAttributes.Count() > 1)
- {
- IF_DEBUG(Print(_L("---cannot have more than one attribute!")));
- User::Leave(KErrArgument);
- }
-
- // Gets the name of the tag
- const TDesC8& name = aElement.LocalName().DesC();
-
- IF_DEBUG(Print(_L("---Start"))); PRINT_DES(name);
-
- //Checks the element
- // this is the first layer <dps>
- if (!name.Compare(KDpsXml))
- {
- iAction = EDpsXmlStart;
- }
- // this is the second layer <input|output>
- else if (!name.Compare(KDpsXmlOutput))
- {
- iAction = EDpsXmlOutput;
- }
- else if (!name.Compare(KDpsXmlInput))
- {
- // operation and event cannot be distiguised here
- iAction = EDpsXmlInput;
- }
- // this is the third layer <operation|event|result>
- else if (iAction == EDpsXmlOutput && !name.Compare(KDpsXmlResult))
- {
- // output must be result
- iAction = EDpsXmlResult;
- }
- else if (iAction == EDpsXmlInput &&
- (!name.Compare(iEngine->DpsParameters()->iDpsEventStrings[0]) ||
- !name.Compare(iEngine->DpsParameters()->iDpsEventStrings[1])))
- {
- if (!name.Compare(iEngine->DpsParameters()->iDpsEventStrings[0]))
- {
- iDpsEvent = EDpsEvtNotifyJobStatus;
- }
- else
- {
- iDpsEvent = EDpsEvtNotifyDeviceStatus;
- }
- iAction = EDpsXmlEvent;
- }
- else if (iAction == EDpsXmlInput || iAction == EDpsXmlResult)
- {
- iAction = EDpsXmlOperation;
- for (TInt i= 0; i < EDpsOpMax-1; i++) //i=0 as AppendL() method adds item on first free position in array
- {
- if (!name.Compare(iEngine->DpsParameters()->iDpsOperationStrings[i]))
- {
- IF_DEBUG(Print(_L("---found the operation")));
- PRINT_DES(name);
- iDpsOperation = (TDpsOperation)(i+1);// i+1 to by pass first operation EDpsOpEmpty in enum which is not added to array
- break;
- }
- }
- }
-
- // below is the fourth layer, e.g. the argument list/element. there
- // could be many arugments, but only one element
- else if (iAction == EDpsXmlOperation || iAction == EDpsXmlEvent)
- {
- // only element in output is capability
- if (!name.Compare(iEngine->DpsParameters()->iDpsElementStrings[0]))
- {
- IF_DEBUG(Print(_L("---the element is")));
- PRINT_DES(name);
- iElement = EDpsCapability;
- }
- else
- {
- for (TInt i = 0; i < EDpsArgMax; i++)
- {
- if (!name.Compare(iEngine->DpsParameters()->iDpsArgStrings[i]))
- {
- IF_DEBUG(Print(_L("---the argument is ")));
- PRINT_DES(name);
- TDpsArg arg;
- arg.iElement = (TDpsArgument)i;
- arg.iContent.Copy(_L(""));
- iDpsArgs.Append(arg);
- break;
- }
- }
- }
-
- }
- else
- {
- // something wrong
- IF_DEBUG(Print(_L("--- non-PB element! %S"), &name));
- User::Leave(KErrNotSupported);
- }
- if (aAttributes.Count() == 1)
- {
- ParseAttributesL(aAttributes, name);
- }
- IF_DEBUG(Print(_L("<<<CDpsXmlParser::OnStartElementL")));
- }
-
-// ---------------------------------------------------------------------------
-//
-// ---------------------------------------------------------------------------
-//
-void CDpsXmlParser::ParseAttributesL(const RAttributeArray& aAttributes,
- const TDesC8& tag)
- {
- // element
- const TDesC8& name = aAttributes[0].Attribute().LocalName().DesC();
- // only "layouts" and "paperTypes" have attributes
- if (tag.Compare(KDpsXmlPaperTypes) && tag.Compare(KDpsXmlLayouts))
- {
- // error
- IF_DEBUG(Print(_L("--- this tag have no attribute")));
- PRINT_DES(name);
- User::Leave(KErrArgument);
- }
- // the element of the attributes must be "paperSize"
- if (name.Compare(KDpsXmlPaperSize))
- {
- // error
- IF_DEBUG(Print(_L("--- wrong attribute")))
- PRINT_DES(name);
- User::Leave(KErrArgument);
- }
- // value
- HBufC8* value = aAttributes[0].Value().DesC().AllocLC();
- TUint32 result;
- TLex8 converter(*value);
- TInt error = converter.Val(result, EHex);
- if (error != KErrNone)
- {
- IF_DEBUG(Print(_L("--- convert error %d"), error));
- User::Leave(error);
- }
- iAttrib = result >> KShiftLength;
- CleanupStack::PopAndDestroy(value);
- IF_DEBUG(Print(_L("--- attribte value %x"), result));
-
- }
-
-// ---------------------------------------------------------------------------
-//
-// ---------------------------------------------------------------------------
-//
-void CDpsXmlParser::OnEndElementL(const RTagInfo& aElement,
- TInt aErrorCode)
- {
- IF_DEBUG(Print(_L(">>>CDpsXmlParser::OnEndElementL")));
-
- if (aErrorCode != KErrNone)
- {
- IF_DEBUG(Print(_L("--- error code is %d"), aErrorCode));
- User::Leave(aErrorCode);
- }
-
- // Get the name of the tag
- const TDesC8& name = aElement.LocalName().DesC();
- PRINT_DES(name);
- IF_DEBUG(Print(_L("<<<CDpsXmlParser::OnEndElementL")));
- }
-
-// ---------------------------------------------------------------------------
-//
-// ---------------------------------------------------------------------------
-//
-void CDpsXmlParser::OnContentL(const TDesC8& aBytes, TInt aErrorCode)
- {
- IF_DEBUG(Print(_L(">>>CDpsXmlParser::OnContentL content is")));
- PRINT_DES(aBytes);
-
- if (aErrorCode != KErrNone)
- {
- IF_DEBUG(Print(_L("--- error code %d"), aErrorCode));
- User::Leave(aErrorCode);
- }
- if (aBytes[0] >= KSOH && aBytes[0] <= KSpace)
- {
- IF_DEBUG(Print(_L("the unprintable char %d"), aBytes[0]));
- return;
- }
- // parses the result
- if (iAction == EDpsXmlResult)
- {
- TUint32 value;
- TLex8 converter(aBytes);
- TInt error = converter.Val(value, EHex);
- if (error != KErrNone)
- {
- IF_DEBUG(Print(_L("--- convert error %d"), error));
- User::Leave(error);
- }
- IF_DEBUG(Print(_L("--- result %x"), value));
- // we have got the result
- iDpsResult.iMajorCode =
- static_cast<TDpsResultMajorCode>(value >> KShiftLength);
- iDpsResult.iMinorCode =
- static_cast<TDpsResultMinorCode>(value & KDpsMinorMask);
- }
- // gets the argument
- else if (iAction == EDpsXmlOperation || iAction == EDpsXmlEvent)
- {
- iDpsArgs[iDpsArgs.Count() - 1].iContent.Copy(aBytes);
- }
- IF_DEBUG(Print(_L("<<<CDpsXmlParser::OnContentL")));
- }
-
-// ---------------------------------------------------------------------------
-//
-// ---------------------------------------------------------------------------
-//
-void CDpsXmlParser::OnStartPrefixMappingL(const RString& /*aPrefix*/,
- const RString& /*aUri*/,
- TInt aErrorCode)
- {
- IF_DEBUG(Print(_L(">>>CDpsXmlParser::OnStartPrefixMappingL")));
- if (aErrorCode != KErrNone)
- {
- IF_DEBUG(Print(_L("--- error code %d"), aErrorCode));
- User::Leave(aErrorCode);
- }
- IF_DEBUG(Print(_L("<<<CDpsXmlParser::OnStartPrefixMappingL")));
- }
-
-// ---------------------------------------------------------------------------
-//
-// ---------------------------------------------------------------------------
-//
-void CDpsXmlParser::OnEndPrefixMappingL(const RString& /*aPrefix*/,
- TInt aErrorCode)
- {
- IF_DEBUG(Print(_L(">>>CDpsXmlParser::OnEndPrefixMappingL")));
- if (aErrorCode != KErrNone)
- {
- IF_DEBUG(Print(_L("--- error code %d"), aErrorCode));
- User::Leave(aErrorCode);
- }
- IF_DEBUG(Print(_L("<<<CDpsXmlParser::OnEndPrefixMappingL")));
- }
-
-// ---------------------------------------------------------------------------
-//
-// ---------------------------------------------------------------------------
-//
-void CDpsXmlParser::OnIgnorableWhiteSpaceL(const TDesC8& /*aBytes*/,
- TInt aErrorCode)
- {
- IF_DEBUG(Print(_L(">>>CDpsXmlParser::OnIgnorableWhiteSpaceL")));
- if (aErrorCode != KErrNone)
- {
- IF_DEBUG(Print(_L("---error code %d"), aErrorCode));
- User::Leave(aErrorCode);
- }
- IF_DEBUG(Print(_L("<<<CDpsXmlParser::OnIgnorableWhiteSpaceL")));
- }
-
-// ---------------------------------------------------------------------------
-//
-// ---------------------------------------------------------------------------
-//
-void CDpsXmlParser::OnSkippedEntityL(const RString& /*aName*/,
- TInt aErrorCode)
- {
- IF_DEBUG(Print(_L(">>>CDpsXmlParser::OnSkippedEntityL")));
- if (aErrorCode != KErrNone)
- {
- IF_DEBUG(Print(_L("--- error code %d"), aErrorCode));
- User::Leave(aErrorCode);
- }
- IF_DEBUG(Print(_L("<<<CDpsXmlParser::OnSkippedEntityL")));
- }
-
-// ---------------------------------------------------------------------------
-//
-// ---------------------------------------------------------------------------
-//
-void CDpsXmlParser::OnProcessingInstructionL(const TDesC8& /*aTarget*/,
- const TDesC8& /*aData*/,
- TInt aErrorCode)
- {
- IF_DEBUG(Print(_L(">>>CDpsXmlParser::OnProcessingInstructionL")));
- if (aErrorCode != KErrNone)
- {
- IF_DEBUG(Print(_L("--- error code %d"), aErrorCode));
- User::Leave(aErrorCode);
- }
- IF_DEBUG(Print(_L("<<<CDpsXmlParser::OnProcessingInstructionL")));
- }
-
-// ---------------------------------------------------------------------------
-//
-// ---------------------------------------------------------------------------
-//
-void CDpsXmlParser::OnError(TInt aErrorCode)
- {
- IF_DEBUG(Print(_L(">>>CDpsXmlParser::OnError()")));
- if (aErrorCode != KErrNone)
- {
- IF_DEBUG(Print(_L("---error code %d"), aErrorCode));
- }
- IF_DEBUG(Print(_L("<<<CDpsXmlParser::OnError()")));
- }
-
-// ---------------------------------------------------------------------------
-//
-// ---------------------------------------------------------------------------
-//
-
-TAny* CDpsXmlParser::GetExtendedInterface(const TInt32 aUid)
- {
- return aUid == MDpsExtensionHandler::EInterfaceUid ?
- static_cast<MDpsExtensionHandler*>(this) : 0;
- }
-
-// ---------------------------------------------------------------------------
-//
-// ---------------------------------------------------------------------------
-//
-void CDpsXmlParser::Reset()
- {
- iDpsArgs.Reset();
- iAction = EDpsXmlEmpty;
- iDpsEvent = EDpsEvtEmpty;
- iDpsOperation = EDpsOpEmpty;
- iElement = EDpsEleEmpty;
- iAttrib = 0;
- }
-