Class XMLEmitter

    • Field Detail

      • canonical

        protected boolean canonical
      • started

        protected boolean started
      • startedElement

        protected boolean startedElement
      • openStartTag

        protected boolean openStartTag
      • declarationIsWritten

        protected boolean declarationIsWritten
      • elementCode

        protected NodeName elementCode
      • indentForNextAttribute

        protected int indentForNextAttribute
      • undeclareNamespaces

        protected boolean undeclareNamespaces
      • unfailing

        protected boolean unfailing
      • internalSubset

        protected java.lang.String internalSubset
      • delimiter

        protected char delimiter
      • attSpecials

        protected boolean[] attSpecials
      • elementStack

        protected java.util.Stack<java.lang.String> elementStack
      • specialInText

        protected static boolean[] specialInText
      • specialInAtt

        protected static boolean[] specialInAtt
      • specialInAttSingle

        protected static boolean[] specialInAttSingle
      • DOCTYPE

        protected static final byte[] DOCTYPE
      • RIGHT_ANGLE_NEWLINE

        protected static final byte[] RIGHT_ANGLE_NEWLINE
    • Constructor Detail

      • XMLEmitter

        public XMLEmitter()
    • Method Detail

      • setCharacterReferenceGenerator

        public void setCharacterReferenceGenerator​(CharacterReferenceGenerator generator)
        Set the character reference generator to be used for generating hexadecimal or decimal character references
        Parameters:
        generator - the character reference generator to be used
      • setEscapeNonAscii

        public void setEscapeNonAscii​(java.lang.Boolean escape)
        Say that all non-ASCII characters should be escaped, regardless of the character encoding
        Parameters:
        escape - true if all non ASCII characters should be escaped
      • open

        public void open()
                  throws XPathException
        Start of the event stream. Nothing is done at this stage: the opening of the output file is deferred until some content is written to it.
        Specified by:
        open in interface Receiver
        Overrides:
        open in class SequenceReceiver
        Throws:
        XPathException - if an error occurs
      • startDocument

        public void startDocument​(int properties)
                           throws XPathException
        Start of a document node. Nothing is done at this stage: the opening of the output file is deferred until some content is written to it.
        Parameters:
        properties - bit-significant integer indicating properties of the document node. The definitions of the bits are in class ReceiverOption
        Throws:
        XPathException - if an error occurs
      • endDocument

        public void endDocument()
                         throws XPathException
        Notify the end of a document node
        Throws:
        XPathException - if an error occurs
      • openDocument

        protected void openDocument()
                             throws XPathException
        Do the real work of starting the document. This happens when the first content is written.
        Throws:
        XPathException - if an error occurs opening the output file
      • writeDeclaration

        public void writeDeclaration()
                              throws XPathException
        Output the XML declaration
        Throws:
        XPathException - if any error occurs
      • writeDocType

        protected void writeDocType​(NodeName name,
                                    java.lang.String displayName,
                                    java.lang.String systemId,
                                    java.lang.String publicId)
                             throws XPathException
        Output the document type declaration
        Parameters:
        name - the qualified name of the element
        displayName - The element name as displayed
        systemId - The DOCTYPE system identifier
        publicId - The DOCTYPE public identifier
        Throws:
        XPathException - if an error occurs writing to the output
      • startElement

        public void startElement​(NodeName elemName,
                                 SchemaType type,
                                 AttributeMap attributes,
                                 NamespaceMap namespaces,
                                 Location location,
                                 int properties)
                          throws XPathException
        Start of an element. Output the start tag, escaping special characters.
        Parameters:
        elemName - the name of the element
        type - the type annotation of the element
        attributes - the attributes of this element
        namespaces - the in-scope namespaces of this element: generally this is all the in-scope namespaces, without relying on inheriting namespaces from parent elements
        location - an object providing information about the module, line, and column where the node originated
        properties - bit-significant properties of the element node. If there are no relevant properties, zero is supplied. The definitions of the bits are in class ReceiverOption
        Throws:
        XPathException - if an error occurs
      • writeDocTypeWithNullSystemId

        protected boolean writeDocTypeWithNullSystemId()
      • setIndentForNextAttribute

        public void setIndentForNextAttribute​(int indent)
        Set the indentation to be used for attributes (this excludes the length of the element name itself)
        Parameters:
        indent - the number of spaces to be output before each attribute (on a new line)
      • writeAttributeIndentString

        protected void writeAttributeIndentString()
                                           throws java.io.IOException
        Throws:
        java.io.IOException
      • closeStartTag

        public void closeStartTag()
                           throws XPathException
        Mark the end of the start tag
        Throws:
        XPathException - if an IO exception occurs
      • writeEmptyElementTagCloser

        protected void writeEmptyElementTagCloser​(java.lang.String displayName,
                                                  NodeName nameCode)
                                           throws java.io.IOException
        Close an empty element tag. (This is overridden in XHTMLEmitter).
        Parameters:
        displayName - the name of the empty element
        nameCode - the fingerprint of the name of the empty element
        Throws:
        java.io.IOException - if an IO exception occurs
      • writeAttribute

        protected void writeAttribute​(NodeName elCode,
                                      java.lang.String attname,
                                      java.lang.String value,
                                      int properties)
                               throws XPathException
        Write attribute name=value pair.
        Parameters:
        elCode - The element name is not used in this version of the method, but is used in the HTML subclass.
        attname - The attribute name, which has already been validated to ensure it can be written in this encoding
        value - The value of the attribute
        properties - Any special properties of the attribute
        Throws:
        XPathException - if an error occurs
      • testCharacters

        protected int testCharacters​(UnicodeString chars)
        Test that all characters in a name (for example) are supported in the target encoding.
        Parameters:
        chars - the characters to be tested
        Returns:
        zero if all the characters are available, or the value of the first offending character if not
      • convertToAscii

        protected UnicodeString convertToAscii​(UnicodeString chars)
        Where characters are not available in the selected encoding, substitute them
        Parameters:
        chars - the characters to be converted
        Returns:
        the converted string
      • characters

        public void characters​(UnicodeString chars,
                               Location locationId,
                               int properties)
                        throws XPathException
        Character data.
        Parameters:
        chars - The characters
        locationId - provides information such as line number and system ID.
        properties - Bit significant value. The following bits are defined:
        DISABLE_ESCAPING
        Disable escaping for this text node
        USE_CDATA
        Output as a CDATA section
        Throws:
        XPathException - if an error occurs
      • processingInstruction

        public void processingInstruction​(java.lang.String target,
                                          UnicodeString data,
                                          Location locationId,
                                          int properties)
                                   throws XPathException
        Handle a processing instruction.
        Parameters:
        target - The PI name. This must be a legal name (it will not be checked).
        data - The data portion of the processing instruction
        locationId - provides information such as line number and system ID.
        properties - Additional information about the PI.
        Throws:
        XPathException - if an error occurs
      • writeEscape

        protected void writeEscape​(UnicodeString chars,
                                   boolean inAttribute)
                            throws java.io.IOException,
                                   XPathException
        Write contents of array to current writer, after escaping special characters. This method converts the XML special characters (such as < and &) into their predefined entities.
        Parameters:
        chars - The character sequence containing the string
        inAttribute - Set to true if the text is in an attribute value
        Throws:
        java.io.IOException - if an IO exception occurs
        XPathException - if an IO exception occurs
      • writeCodePoint

        protected void writeCodePoint​(int c)
                               throws java.io.IOException
        Throws:
        java.io.IOException
      • comment

        public void comment​(UnicodeString chars,
                            Location locationId,
                            int properties)
                     throws XPathException
        Handle a comment.
        Parameters:
        chars - The content of the comment
        locationId - provides information such as line number and system ID.
        properties - Additional information about the comment.
        Throws:
        XPathException - if an error occurs
      • usesTypeAnnotations

        public boolean usesTypeAnnotations()
        Ask whether this Receiver (or the downstream pipeline) makes any use of the type annotations supplied on element and attribute events
        Specified by:
        usesTypeAnnotations in interface Receiver
        Overrides:
        usesTypeAnnotations in class Emitter
        Returns:
        true if the Receiver makes any use of this information. If false, the caller may supply untyped nodes instead of supplying the type annotation
      • isStarted

        public boolean isStarted()
        Ask whether anything has yet been written
        Returns:
        true if content has been output