Package net.sf.saxon.trace

Class ExpressionPresenter

  • public class ExpressionPresenter
extends java.lang.Object
    This class handles the display of an abstract expression tree in an XML format with some slight resemblance to XQueryX

    • Constructor Detail

      • ExpressionPresenter

        public ExpressionPresenter()
        Make an uncommitted ExpressionPresenter. This must be followed by a call on init()

      • ExpressionPresenter

        public ExpressionPresenter​(Configuration config)
        Make an ExpressionPresenter that writes indented output to the standard error output destination of the Configuration
        Parameters:
        config - the Saxon configuration

      • ExpressionPresenter

        public ExpressionPresenter​(Configuration config,
                           javax.xml.transform.stream.StreamResult out)
        Make an ExpressionPresenter that writes indented output to a specified output stream
        Parameters:
        config - the Saxon configuration
        out - the output destination

      • ExpressionPresenter

        public ExpressionPresenter​(Configuration config,
                           javax.xml.transform.stream.StreamResult out,
                           boolean checksum)
        Make an ExpressionPresenter that writes indented output to a specified output stream, with checksumming
        Parameters:
        config - the Saxon configuration
        out - the output destination
        checksum - true if a checksum is to be written at the end of the file

      • ExpressionPresenter

        public ExpressionPresenter​(Configuration config,
                           Logger out)
        Make an ExpressionPresenter that writes indented output to a specified output stream
        Parameters:
        config - the Saxon configuration
        out - the output stream

      • ExpressionPresenter

        public ExpressionPresenter​(Configuration config,
                           Receiver receiver)
        Make an ExpressionPresenter for a given Configuration using a user-supplied Receiver to accept the output
        Parameters:
        config - the Configuration
        receiver - the user-supplied Receiver

    • Method Detail

      • init

        public void init​(Configuration config,
                 javax.xml.transform.stream.StreamResult out,
                 boolean checksum)
        Make an ExpressionPresenter that writes indented output to a specified output stream, with checksumming
        Parameters:
        config - the Saxon configuration
        out - the output destination
        checksum - true if a checksum is to be written at the end of the file

      • init

        public void init​(Configuration config,
                 Receiver out,
                 boolean checksum)
        Make an ExpressionPresenter that writes indented output to a specified output stream, with checksumming
        Parameters:
        config - the Saxon configuration
        out - the output destination
        checksum - true if a checksum is to be written at the end of the file

      • setDefaultNamespace

        public void setDefaultNamespace​(java.lang.String namespace)
        Set the default namespace, used for subsequent calls on startElement. Must be consistent throughout the whole document
        Parameters:
        namespace - the default namespace

      • isRelocatable

        public boolean isRelocatable()
        Ask whether the package can be deployed to a different location, with a different base URI
        Returns:
        if true then static-base-uri() represents the deployed location of the package, rather than its compile time location

      • setRelocatable

        public void setRelocatable​(boolean relocatable)
        Say whether the package can be deployed to a different location, with a different base URI
        Parameters:
        relocatable - if true then static-base-uri() represents the deployed location of the package, rather than its compile time location

      • defaultDestination

        public static Receiver defaultDestination​(Configuration config,
                                          Logger out)
                                   throws XPathException
        Make a receiver, using default output properties, with serialized output going to a specified OutputStream
        Parameters:
        config - the Configuration
        out - the OutputStream
        Returns:
        a Receiver that directs serialized output to this output stream
        Throws:
        XPathException

      • makeDefaultProperties

        public static SerializationProperties makeDefaultProperties​(Configuration config)
        Make a Properties object containing defaulted serialization attributes for the expression tree
        Returns:
        a default set of properties

      • startElement

        public int startElement​(java.lang.String name,
                        Expression expr)
        Start an element representing an expression in the expression tree
        Parameters:
        name - the name of the element
        expr - the expression represented
        Returns:
        the depth of the tree before this element: for diagnostics, this can be compared with the value returned by endElement

      • startElement

        public int startElement​(java.lang.String name)
        Start an element
        Parameters:
        name - the name of the element
        Returns:
        the depth of the tree before this element: for diagnostics, this can be compared with the value returned by endElement

      • setChildRole

        public void setChildRole​(java.lang.String role)
        Set the role of the next element to be output
        Parameters:
        role - the value of the role output to be used

      • emitAttribute

        public void emitAttribute​(java.lang.String name,
                          java.lang.String value)
        Output an attribute node
        Parameters:
        name - the name of the attribute
        value - the value of the attribute

      • emitAttribute

        public void emitAttribute​(java.lang.String name,
                          StructuredQName value)
        Output a QName-valued attribute node
        Parameters:
        name - the name of the attribute
        value - the value of the attribute

      • namespace

        public void namespace​(java.lang.String prefix,
                      java.lang.String uri)
        Output a namespace declaration. All namespaces should be declared at the top level.
        Parameters:
        prefix - the namespace prefix
        uri - the namespace URI

      • endElement

        public int endElement()
        End an element in the expression tree
        Returns:
        the depth of the tree after ending this element. For diagnostics, this can be compared with the value returned by startElement()

      • startSubsidiaryElement

        public void startSubsidiaryElement​(java.lang.String name)
        Start a child element in the output
        Parameters:
        name - the name of the child element

      • endSubsidiaryElement

        public void endSubsidiaryElement()
        End a child element in the output

      • close

        public void close()
        Close the output

      • getConfiguration

        public Configuration getConfiguration()
        Get the Saxon configuration
        Returns:
        the Saxon configuration

      • getNamePool

        public NamePool getNamePool()
        Get the name pool
        Returns:
        the name pool

      • getTypeHierarchy

        public TypeHierarchy getTypeHierarchy()
        Get the type hierarchy cache
        Returns:
        the type hierarchy cache

      • jsEscape

        public static java.lang.String jsEscape​(java.lang.String in)
        Static method to escape a string using Javascript escaping conventions
        Parameters:
        in - the string to be escaped