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Diffstat (limited to 'gcc-4.4.3/libjava/classpath/external/sax/org/xml/sax/ext/LexicalHandler.java')
| -rw-r--r-- | gcc-4.4.3/libjava/classpath/external/sax/org/xml/sax/ext/LexicalHandler.java | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/external/sax/org/xml/sax/ext/LexicalHandler.java b/gcc-4.4.3/libjava/classpath/external/sax/org/xml/sax/ext/LexicalHandler.java new file mode 100644 index 000000000..076bdf857 --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/external/sax/org/xml/sax/ext/LexicalHandler.java @@ -0,0 +1,212 @@ +// LexicalHandler.java - optional handler for lexical parse events. +// http://www.saxproject.org +// Public Domain: no warranty. +// $Id: LexicalHandler.java,v 1.1 2004/12/23 22:38:42 mark Exp $ + +package org.xml.sax.ext; + +import org.xml.sax.SAXException; + +/** + * SAX2 extension handler for lexical events. + * + * <blockquote> + * <em>This module, both source code and documentation, is in the + * Public Domain, and comes with <strong>NO WARRANTY</strong>.</em> + * See <a href='http://www.saxproject.org'>http://www.saxproject.org</a> + * for further information. + * </blockquote> + * + * <p>This is an optional extension handler for SAX2 to provide + * lexical information about an XML document, such as comments + * and CDATA section boundaries. + * XML readers are not required to recognize this handler, and it + * is not part of core-only SAX2 distributions.</p> + * + * <p>The events in the lexical handler apply to the entire document, + * not just to the document element, and all lexical handler events + * must appear between the content handler's startDocument and + * endDocument events.</p> + * + * <p>To set the LexicalHandler for an XML reader, use the + * {@link org.xml.sax.XMLReader#setProperty setProperty} method + * with the property name + * <code>http://xml.org/sax/properties/lexical-handler</code> + * and an object implementing this interface (or null) as the value. + * If the reader does not report lexical events, it will throw a + * {@link org.xml.sax.SAXNotRecognizedException SAXNotRecognizedException} + * when you attempt to register the handler.</p> + * + * @since SAX 2.0 (extensions 1.0) + * @author David Megginson + * @version 2.0.1 (sax2r2) + */ +public interface LexicalHandler +{ + + /** + * Report the start of DTD declarations, if any. + * + * <p>This method is intended to report the beginning of the + * DOCTYPE declaration; if the document has no DOCTYPE declaration, + * this method will not be invoked.</p> + * + * <p>All declarations reported through + * {@link org.xml.sax.DTDHandler DTDHandler} or + * {@link org.xml.sax.ext.DeclHandler DeclHandler} events must appear + * between the startDTD and {@link #endDTD endDTD} events. + * Declarations are assumed to belong to the internal DTD subset + * unless they appear between {@link #startEntity startEntity} + * and {@link #endEntity endEntity} events. Comments and + * processing instructions from the DTD should also be reported + * between the startDTD and endDTD events, in their original + * order of (logical) occurrence; they are not required to + * appear in their correct locations relative to DTDHandler + * or DeclHandler events, however.</p> + * + * <p>Note that the start/endDTD events will appear within + * the start/endDocument events from ContentHandler and + * before the first + * {@link org.xml.sax.ContentHandler#startElement startElement} + * event.</p> + * + * @param name The document type name. + * @param publicId The declared public identifier for the + * external DTD subset, or null if none was declared. + * @param systemId The declared system identifier for the + * external DTD subset, or null if none was declared. + * (Note that this is not resolved against the document + * base URI.) + * @exception SAXException The application may raise an + * exception. + * @see #endDTD + * @see #startEntity + */ + public abstract void startDTD (String name, String publicId, + String systemId) + throws SAXException; + + + /** + * Report the end of DTD declarations. + * + * <p>This method is intended to report the end of the + * DOCTYPE declaration; if the document has no DOCTYPE declaration, + * this method will not be invoked.</p> + * + * @exception SAXException The application may raise an exception. + * @see #startDTD + */ + public abstract void endDTD () + throws SAXException; + + + /** + * Report the beginning of some internal and external XML entities. + * + * <p>The reporting of parameter entities (including + * the external DTD subset) is optional, and SAX2 drivers that + * report LexicalHandler events may not implement it; you can use the + * <code + * >http://xml.org/sax/features/lexical-handler/parameter-entities</code> + * feature to query or control the reporting of parameter entities.</p> + * + * <p>General entities are reported with their regular names, + * parameter entities have '%' prepended to their names, and + * the external DTD subset has the pseudo-entity name "[dtd]".</p> + * + * <p>When a SAX2 driver is providing these events, all other + * events must be properly nested within start/end entity + * events. There is no additional requirement that events from + * {@link org.xml.sax.ext.DeclHandler DeclHandler} or + * {@link org.xml.sax.DTDHandler DTDHandler} be properly ordered.</p> + * + * <p>Note that skipped entities will be reported through the + * {@link org.xml.sax.ContentHandler#skippedEntity skippedEntity} + * event, which is part of the ContentHandler interface.</p> + * + * <p>Because of the streaming event model that SAX uses, some + * entity boundaries cannot be reported under any + * circumstances:</p> + * + * <ul> + * <li>general entities within attribute values</li> + * <li>parameter entities within declarations</li> + * </ul> + * + * <p>These will be silently expanded, with no indication of where + * the original entity boundaries were.</p> + * + * <p>Note also that the boundaries of character references (which + * are not really entities anyway) are not reported.</p> + * + * <p>All start/endEntity events must be properly nested. + * + * @param name The name of the entity. If it is a parameter + * entity, the name will begin with '%', and if it is the + * external DTD subset, it will be "[dtd]". + * @exception SAXException The application may raise an exception. + * @see #endEntity + * @see org.xml.sax.ext.DeclHandler#internalEntityDecl + * @see org.xml.sax.ext.DeclHandler#externalEntityDecl + */ + public abstract void startEntity (String name) + throws SAXException; + + + /** + * Report the end of an entity. + * + * @param name The name of the entity that is ending. + * @exception SAXException The application may raise an exception. + * @see #startEntity + */ + public abstract void endEntity (String name) + throws SAXException; + + + /** + * Report the start of a CDATA section. + * + * <p>The contents of the CDATA section will be reported through + * the regular {@link org.xml.sax.ContentHandler#characters + * characters} event; this event is intended only to report + * the boundary.</p> + * + * @exception SAXException The application may raise an exception. + * @see #endCDATA + */ + public abstract void startCDATA () + throws SAXException; + + + /** + * Report the end of a CDATA section. + * + * @exception SAXException The application may raise an exception. + * @see #startCDATA + */ + public abstract void endCDATA () + throws SAXException; + + + /** + * Report an XML comment anywhere in the document. + * + * <p>This callback will be used for comments inside or outside the + * document element, including comments in the external DTD + * subset (if read). Comments in the DTD must be properly + * nested inside start/endDTD and start/endEntity events (if + * used).</p> + * + * @param ch An array holding the characters in the comment. + * @param start The starting position in the array. + * @param length The number of characters to use from the array. + * @exception SAXException The application may raise an exception. + */ + public abstract void comment (char ch[], int start, int length) + throws SAXException; + +} + +// end of LexicalHandler.java |