diff -r 000000000000 -r c8caa15ef882 simpleengine/xmlutils/inc/simplemeta.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/simpleengine/xmlutils/inc/simplemeta.h Tue Feb 02 01:05:17 2010 +0200 @@ -0,0 +1,299 @@ +/* +* Copyright (c) 2006 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: SIMPLE metadata +* +*/ + + + + +#ifndef simplemeta_H +#define simplemeta_H + +#include +#include "simplecommon.h" +#include "msimplemeta.h" +#include "simplebasedocument.h" + +// FORWARD DECLARATION +class CSimpleNamespace; + + +/** + * CSimpleMeta + * + * SIMPLE Engine core. + * + * @lib simplexmlutils + * @since S60 v3.1 + */ + +class CSimpleMeta : public CSimpleBaseDocument, public MSimpleMeta + { + +public: + + + /** + * Two-phased constructor. + * @since S60 v3.1 + * @param aXml XML document + * @return CSimpleMeta + */ + static CSimpleMeta* NewL( const TDesC8& aXml ); + + /** + * Destructor. + */ + virtual ~CSimpleMeta(); + + /** + * Validates root element name + * Leaves if not valid + * @param aName element name + */ + void ValidateXmlL( const TDesC8& aName ); + +// from base class MSimpleMeta + + + /** + * From MSimpleMeta + * Document's default namespace accessor. It is PIDF namespace. + * + * @since S60 v3.1 + * @return default namespace URI + */ + TPtrC8 DefaultNamespace(); + + /** + * From MSimpleMeta + * Add new newspace + * + * @since S60 v3.1 + * @param aPrefix: Namespace prefix + * @param aUri: Namespace URI + */ + void AddNamespaceL( const TDesC8& aPrefix, + const TDesC8& aUri); + + /** + * From MSimpleMeta + * Gets all namespaces of this element in an array. + * + * @since S60 v3.1 + * @return array of namespaces. Array will be empty if element has + * no namespaces. + */ + RPointerArray& NamespacesL(); + + /** + * Externalize the document into write stream. + * + * @since S60 v3.1 + * @param aStream write stream + */ + void ExternalizeL( RWriteStream& aStream ); + +// from base class MSimpleEntity + + /** + * Destroy this element entity and all its descendant elements + * + * @since S60 v3.1 + */ + void Close(); + + /** + * Getter for Element's local name. + * LocalName and Namespace are given in factory method. + * @return KNullDesC if not set + */ + const TDesC8& LocalName(); + + /** + * Getter for Element's default namespace. + * + * @since S60 v3.1 + * @return const pointer to the CSenNamespace object of this Element. + * NULL if not set. Ownership is transferred. + */ + MSimpleNamespace* DefNamespaceL(); + + /** + * Method for checking if the element has any content within. + * + * @since S60 v3.1 + * @return ETrue if has content, EFalse if not. + */ + TBool HasContent(); + + /** + * Getter for the content of the element, unicode version. + * + * @since S60 v3.1 + * @return content as unicode. Ownership IS TRANSFERRED to the caller. + */ + HBufC* ContentUnicodeL(); + + /** + * Sets the content to the element. Old content is overwritten. + * + * @since S60 v3.1 + * @param aContent: The content to be set. Can be KNullDesC + */ + void SetContentUnicodeL(const TDesC& aContent); + + + /** + * Getting the child elements of this element matching the given criteria. + * @param aElementArray: Array to be filled with the matching elements, + * or empty array if no matching found. + * Any modifications made on the returned items + * modify the real childs too. + * @return KErrNone ok + * KErrNotFound No child elements exist. + */ + TInt SimpleElementsL( RPointerArray& aElementArray ); + + /** + * Gets the value of the given attribute. + * + * @since Series60 3.1 + * @param aName: Name of the attribute in question. + * @return the value of the attribute, or NULL if not found. Ownership is + * TRANSFERRED. + */ + HBufC* AttrValueLC( const TDesC8& aName ); + + /** + * Gets the value of the given attribute. + * @param aName: Name of the attribute in question. + * @return the value of the attribute, or NULL if not found. Ownership is + * NOT TRANSFERRED. + */ + const TDesC8* AttrValue(const TDesC8& aName); + + /** + * Adds an attribute. If attribute is already existing, + * the value of the attribute will be replaced. + * + * @since Series60 3.1 + * @param aName Name of the attribute to be added. + * @param aValue Value of the attribute to be added. + */ + void AddAttrL(const TDesC8& aName, const TDesC& aValue); + + /** + * From MSimpleElement + * Gets all the attributes of this element in an array. + * + * @since Series60 3.1 + * @param aArray: Array to be filled with the attributes, + * or empty array if no matching found. + * @return KErrNone ok + * KErrNotFound No child elements exist. + */ + TInt SimpleAttributesL( RPointerArray& aArray ); + + /** + * Gets the parent element of this element. + * + * @since Series60 3.1 + * @return the parent element or NULL if no parent set. + * Ownership IS TRANSFERRED to the caller. + */ + MSimpleElement* SimpleParentL(); + + /** + * Detach the element from its parent. + * If the element, or one of its children, is dependent + * on a namespace declared in the scope of the parent + * copy those namespace declarations to this element. + * Leaves with KErrNotFound if parent was not set and + * nothing to detach. + * + * @since Series60 3.1 + */ + void DetachSimpleL(); + + /** + * Constructs and adds a new element to the children elements. + * Sets this element to be the new parent of the given element. + * + * @since Series60 3.1 + * @param aNsUri: namespace URI of the new element + * @param aLocalName: local name of the new element + * @return the added Element + * Leave codes: + * KErrSenInvalidCharacters if aLocalName contains illegal characters. + * KErrSenZeroLengthDescriptor if aLocalName is zero length. + */ + MSimpleElement* AddSimpleElementL( + const TDesC8& aNsUri, + const TDesC8& aLocalName); + + /** + * Constructs and adds a new element to the children elements. + * Sets this element to be the new parent of the given element. + * Note: Element is created with no specific namespace, default namespace + * of some of the upper level elements are in effect if there is such a + * namespace. + * + * @since Series60 3.1 + * @param aLocalName: local name of the new element + * @return the added Element. OWNERSHIP IS TRANSFERRED. + * Leave codes: + * KErrSenInvalidCharacters if aLocalName contains illegal characters. + * KErrSenZeroLengthDescriptor if aLocalName is zero length. + */ + MSimpleElement* AddSimpleElementL( + const TDesC8& aLocalName ); + + /** + * Remove an element from the childs. + * + * @since Series60 3.1 + * @param aNsUri: the namespace URI of the element to be removed. + * @param aLocalName: the local name of the element to be removed. + */ + void RemoveSimpleElement( + const TDesC8& aNsUri, + const TDesC8& aLocalName); + +private: + + /** + * Two-phase constructor + */ + void ConstructL( + const TDesC8& aNsUri, + const TDesC8& aLocalName ); + + /** + * Two-phase constructor + */ + void ConstructL( + const TDesC8& aXml ); + + /** + * constructor + */ + CSimpleMeta(); + + }; + +#endif // simplemeta_H + +// End of File