--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/xml/xmldomandxpath/src/xmlengineserializer/xmlengcontenthandler.h Thu Dec 17 09:29:21 2009 +0200
@@ -0,0 +1,216 @@
+// Copyright (c) 2006-2009 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:
+// Content handler
+//
+
+
+
+/**
+ @file
+ @internalComponent
+ @released
+*/
+#ifndef XMLENGSERIALIZER_CONTENTHANDLER_H
+#define XMLENGSERIALIZER_CONTENTHANDLER_H
+
+#include <xml/dom/xmlengdeserializer.h>
+#include <xml/documentparameters.h>
+#include <f32file.h>
+
+const TInt KShortInfoSize = 256;
+const TInt KLongInfoSize = 1000;
+
+using namespace Xml;
+
+class CXmlEngContentHandler : public CBase, public Xml::MContentHandler
+{
+
+public:
+
+ static CXmlEngContentHandler* NewL( CXmlEngDeserializer* aDeserializer,
+ MContentHandler* aContentHandler );
+
+ ~CXmlEngContentHandler();
+
+/**
+This method is a callback to indicate the start of the document.
+@param aDocParam Specifies the various parameters of the document.
+@param aDocParam.iCharacterSetName The character encoding of the document.
+@param aErrorCode is the error code.
+ If this is not KErrNone then special action may be required.
+*/
+ void OnStartDocumentL(const RDocumentParameters& aDocParam, TInt aErrorCode);
+
+
+/**
+This method is a callback to indicate the end of the document.
+@param aErrorCode is the error code.
+ If this is not KErrNone then special action may be required.
+*/
+ void OnEndDocumentL(TInt aErrorCode);
+
+
+/**
+This method is a callback to indicate an element has been parsed.
+@param aElement is a handle to the element's details.
+@param aAttributes contains the attributes for the element.
+@param aErrorCode is the error code.
+ If this is not KErrNone then special action may be required.
+*/
+ void OnStartElementL(const Xml::RTagInfo& aElement, const Xml::RAttributeArray& aAttributes,
+ TInt aErrorCode);
+
+
+/**
+This method is a callback to indicate the end of the element has been reached.
+@param aElement is a handle to the element's details.
+@param aErrorCode is the error code.
+ If this is not KErrNone then special action may be required.
+*/
+ void OnEndElementL(const RTagInfo& aElement, TInt aErrorCode);
+
+
+/**
+This method is a callback that sends the content of the element.
+Not all the content may be returned in one go. The data may be sent in chunks.
+When an OnEndElementL is received this means there is no more content to be sent.
+@param aBytes is the raw content data for the element.
+ The client is responsible for converting the data to the
+ required character set if necessary.
+ In some instances the content may be binary and must not be converted.
+@param aErrorCode is the error code.
+ If this is not KErrNone then special action may be required.
+*/
+ void OnContentL(const TDesC8& aBytes, TInt aErrorCode);
+
+
+/**
+This method is a notification of the beginning of the scope of a prefix-URI Namespace mapping.
+This method is always called before the corresponding OnStartElementL method.
+@param aPrefix is the Namespace prefix being declared.
+@param aUri is the Namespace URI the prefix is mapped to.
+@param aErrorCode is the error code.
+ If this is not KErrNone then special action may be required.
+*/
+ void OnStartPrefixMappingL(const RString& aPrefix, const RString& aUri,
+ TInt aErrorCode);
+
+
+/**
+This method is a notification of the end of the scope of a prefix-URI mapping.
+This method is called after the corresponding DoEndElementL method.
+@param aPrefix is the Namespace prefix that was mapped.
+@param aErrorCode is the error code.
+ If this is not KErrNone then special action may be required.
+*/
+ void OnEndPrefixMappingL(const RString& aPrefix, TInt aErrorCode);
+
+
+/**
+This method is a notification of ignorable whitespace in element content.
+@param aBytes are the ignored bytes from the document being parsed.
+@param aErrorCode is the error code.
+ If this is not KErrNone then special action may be required.
+*/
+ void OnIgnorableWhiteSpaceL(const TDesC8& aBytes, TInt aErrorCode);
+
+
+/**
+This method is a notification of a skipped entity. If the parser encounters an
+external entity it does not need to expand it - it can return the entity as aName
+for the client to deal with.
+@param aName is the name of the skipped entity.
+@param aErrorCode is the error code.
+ If this is not KErrNone then special action may be required.
+*/
+ void OnSkippedEntityL(const RString& aName, TInt aErrorCode);
+
+
+/**
+This method is a receive notification of a processing instruction.
+@param aTarget is the processing instruction target.
+@param aData is the processing instruction data. If empty none was supplied.
+@param aErrorCode is the error code.
+ If this is not KErrNone then special action may be required.
+*/
+ void OnProcessingInstructionL(const TDesC8& aTarget, const TDesC8& aData,
+ TInt aErrorCode);
+
+
+/**
+This method indicates an error has occurred.
+@param aError is the error code
+*/
+ void OnError(TInt aErrorCode);
+
+
+/**
+This method obtains the interface matching the specified uid.
+@return 0 if no interface matching the uid is found.
+ Otherwise, the this pointer cast to that interface.
+@param aUid the uid identifying the required interface.
+*/
+ TAny* GetExtendedInterface(const TInt32 aUid);
+
+private:
+/**
+Constructor
+
+@param aDeserializer Pointer to deserializer
+@param aContentHandler Pointer to client content handler
+*/
+ CXmlEngContentHandler(CXmlEngDeserializer* aDeserializer, MContentHandler* aContentHandler);
+
+ /**
+ * 2nd phase constructor.
+ */
+ void ConstructL();
+
+/**
+This method strips CID string from "cid:" prefix to fetch the pure CID value
+@return CID value
+@param aCid CID string
+*/
+ TPtrC8 CidValue(const TDesC8& aCid);
+
+/**
+This method converts element name to lower case and creates new tag info
+@return New tag info with lower case element name
+@param aTagInfo Original tag info
+*/
+ RTagInfo ConvertNameToLowerCaseL(const RTagInfo& aElement);
+
+private: //data
+
+/** Handle to deserializer **/
+CXmlEngDeserializer* iDeserializer;
+
+/** Handle to client's content handler **/
+MContentHandler* iContentHandler;
+
+/** Indicates that xop:Include element is being processed **/
+TUint iSkipIncludeElement;
+TBool iSkipPrefixMapping;
+
+/** Arrays for storing namespace mapping events **/
+RPointerArray<HBufC8> iCachedPrefixes;
+RPointerArray<HBufC8> iCachedUris;
+RArray<TInt> iCachedErrors;
+
+/** Internal string pool */
+RStringPool iStrPool;
+
+};
+
+#endif //XMLENGINE_SERIALIZER_CONTENTHANDLER_H