XML Processing

In addition to core XML support, classes for higher level querying and manipulation of XML data are provided by the Qt XML Patterns module. In the QtSvg module, the QSvgRenderer and QSvgGenerator classes can read and write a subset of SVG, an XML-based file format. Qt also provides helper functions that may be useful to those working with XML and XHTML: see Qt::escape() and Qt::convertFromPlainText().

Topics:

Classes for XML Processing

These classes are relevant to XML users.

QAbstractMessageHandler	Callback interface for handling messages
QAbstractUriResolver	Callback interface for resolving Uniform Resource Identifiers. A Uniform Resource Identifier (URI) is a string that uniquely identifies a resource. URIs are versatile global identifiers. It is often useful to transform a URI that identifies something logical into a URI that locates something physical (a URL), or to simply map a URI to a different URI. QAbstractUriResolver::resolve() provides this functionality
QAbstractXmlNodeModel	Abstract base class for modeling non-XML data to look like XML for QXmlQuery
QAbstractXmlReceiver	Callback interface for transforming the output of a QXmlQuery
QDomAttr	Represents one attribute of a QDomElement
QDomCDATASection	Represents an XML CDATA section
QDomCharacterData	Represents a generic string in the DOM
QDomComment	Represents an XML comment
QDomDocument	Represents an XML document
QDomDocumentFragment	Tree of QDomNodes which is not usually a complete QDomDocument
QDomDocumentType	The representation of the DTD in the document tree
QDomElement	Represents one element in the DOM tree
QDomEntity	Represents an XML entity
QDomEntityReference	Represents an XML entity reference
QDomImplementation	Information about the features of the DOM implementation
QDomNamedNodeMap	Contains a collection of nodes that can be accessed by name
QDomNode	The base class for all the nodes in a DOM tree
QDomNodeList	List of QDomNode objects
QDomNotation	Represents an XML notation
QDomProcessingInstruction	Represents an XML processing instruction
QDomText	Represents text data in the parsed XML document
QSimpleXmlNodeModel	Implementation of QAbstractXmlNodeModel sufficient for many common cases
QSourceLocation	Identifies a location in a resource by URI, line, and column
QXmlAttributes	XML attributes
QXmlContentHandler	Interface to report the logical content of XML data
QXmlDTDHandler	Interface to report DTD content of XML data
QXmlDeclHandler	Interface to report declaration content of XML data
QXmlDefaultHandler	Default implementation of all the XML handler classes
QXmlEntityResolver	Interface to resolve external entities contained in XML data
QXmlErrorHandler	Interface to report errors in XML data
QXmlFormatter	Implementation of QXmlSerializer for transforming XQuery output into formatted XML
QXmlInputSource	The input data for the QXmlReader subclasses
QXmlItem	Contains either an XML node or an atomic value
QXmlLexicalHandler	Interface to report the lexical content of XML data
QXmlLocator	The XML handler classes with information about the parsing position within a file
QXmlNamePool	Table of shared strings referenced by instances of QXmlName
QXmlNamespaceSupport	Helper class for XML readers which want to include namespace support
QXmlNodeModelIndex	Identifies a node in an XML node model subclassed from QAbstractXmlNodeModel
QXmlParseException	Used to report errors with the QXmlErrorHandler interface
QXmlQuery	Performs XQueries on XML data, or on non-XML data modeled to look like XML
QXmlReader	Interface for XML readers (i.e. parsers)
QXmlResultItems	Iterates through the results of evaluating an XQuery in QXmlQuery
QXmlSchema	Loading and validation of a W3C XML Schema
QXmlSchemaValidator	Validates XML instance documents against a W3C XML Schema
QXmlSerializer	Implementation of QAbstractXmlReceiver for transforming XQuery output into unformatted XML
QXmlSimpleReader	Implementation of a simple XML parser
QXmlStreamAttribute	Represents a single XML attribute
QXmlStreamAttributes	Represents a vector of QXmlStreamAttribute
QXmlStreamEntityDeclaration	Represents a DTD entity declaration
QXmlStreamEntityResolver	Entity resolver for a QXmlStreamReader
QXmlStreamNamespaceDeclaration	Represents a namespace declaration
QXmlStreamNotationDeclaration	Represents a DTD notation declaration
QXmlStreamReader	Fast parser for reading well-formed XML via a simple streaming API
QXmlStreamWriter	XML writer with a simple streaming API

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