/*
 * The Apache Software License, Version 1.1
 * 
 * Copyright (c) 1999-2000 The Apache Software Foundation.  All rights
 * reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
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 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer. 
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 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
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 *    distribution.
 * 
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:  
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 * 
 * 4. The names "Xerces" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
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 * 
 * 5. Products derived from this software may not be called "Apache",
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 * 
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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 * ====================================================================
 * 
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation, and was
 * originally based on software copyright (c) 1999, International
 * Business Machines, Inc., http://www.ibm.com .  For more information
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/*
 * $Log: SAXParseException.hpp,v $
 * Revision 1.5  2000/02/24 20:12:55  abagchi
 * Swat for removing Log from API docs
 *
 * Revision 1.4  2000/02/12 01:27:19  aruna1
 * Documentation updated
 *
 * Revision 1.3  2000/02/09 19:24:49  abagchi
 * Inserted documentation for constructors and destructors
 *
 * Revision 1.2  2000/02/06 07:47:58  rahulj
 * Year 2K copyright swat.
 *
 * Revision 1.1.1.1  1999/11/09 01:07:47  twl
 * Initial checkin
 *
 * Revision 1.2  1999/11/08 20:45:02  rahul
 * Swat for adding in Product name and CVS comment log variable.
 *
 */


#ifndef SAXPARSEEXCEPTION_HPP
#define SAXPARSEEXCEPTION_HPP

#include    <sax/SAXException.hpp>

class Locator;

/**
  * Encapsulate an XML parse error or warning.
  *
  * <p>This exception will include information for locating the error
  * in the original XML document.  Note that although the application
  * will receive a SAXParseException as the argument to the handlers
  * in the ErrorHandler interface, the application is not actually
  * required to throw the exception; instead, it can simply read the
  * information in it and take a different action.</p>
  *
  * <p>Since this exception is a subclass of SAXException, it
  * inherits the ability to wrap another exception.</p>
  *
  * @see SAXException#SAXException
  * @see Locator#Locator
  * @see ErrorHandler#ErrorHandler
  */
class SAX_EXPORT SAXParseException : public SAXException
{
public:
    /** @name Constructors and Destructor */
    //@{
  /**
    * Create a new SAXParseException from a message and a Locator.
    *
    * <p>This constructor is especially useful when an application is
    * creating its own exception from within a DocumentHandler
    * callback.</p>
    *
    * @param message The error or warning message.
    * @param locator The locator object for the error or warning.
    * @see Locator#Locator
    * @see Parser#setLocale 
    */
    SAXParseException(const XMLCh* const message, const Locator& locator);


  /**
    * Create a new SAXParseException.
    *
    * <p>This constructor is most useful for parser writers.</p>
    *
    * <p>If the system identifier is a URL, the parser must resolve it
    * fully before creating the exception.</p>
    *
    * @param message The error or warning message.
    * @param publicId The public identifer of the entity that generated
    *                 the error or warning.
    * @param systemId The system identifer of the entity that generated
    *                 the error or warning.
    * @param lineNumber The line number of the end of the text that
    *                   caused the error or warning.
    * @param columnNumber The column number of the end of the text that
    *                     caused the error or warning.
    * @see Parser#setLocale
    */
    SAXParseException
    (
        const   XMLCh* const    message
        , const XMLCh* const    publicId
        , const XMLCh* const    systemId
        , const unsigned int    lineNumber
        , const unsigned int    columnNumber
    );

  /**
    * Copy constructor
    *
    * @param toCopy The object to be copied
    */
    SAXParseException(const SAXParseException& toCopy);

    /**
      * Destructor
      */
    ~SAXParseException();

    //@}

    /** @name Assignment operator */
    //@{
   /**
    * Assignment operator
    *
    * @param toAssign The object to be copied through assignment
    *
    */
    SAXParseException& operator=(const SAXParseException& toAssign);
    //@}

    /** @name Getter methods */
    //@{
   /**
    * The column number of the end of the text where the exception occurred.
    *
    * <p>The first column in a line is position 1.</p>
    *
    * @return An integer representing the column number, or -1
    *         if none is available.
    * @see Locator#getColumnNumber
    */
    unsigned int getColumnNumber() const;
  /**
    * The line number of the end of the text where the exception occurred.
    *
    * @return An integer representing the line number, or -1
    *         if none is available.
    * @see Locator#getLineNumber
    */
    unsigned int getLineNumber() const;
  /**
    * Get the public identifier of the entity where the exception occurred.
    *
    * @return A string containing the public identifier, or null
    *         if none is available.
    * @see Locator#getPublicId
    */
    const XMLCh* getPublicId() const;
  /**
    * Get the system identifier of the entity where the exception occurred.
    *
    * <p>If the system identifier is a URL, it will be resolved
    * fully.</p>
    *
    * @return A string containing the system identifier, or null
    *         if none is available.
    * @see Locator#getSystemId
    */
    const XMLCh* getSystemId() const;
    //@}

private:
    /* Data Members */
    
    /* The column in the source text where the error occured. */
    unsigned int    fColumnNumber;
    /* The line in the source text where the error occured. */
    unsigned int    fLineNumber;
    /* The public id of the file where the error occured. */
    XMLCh*          fPublicId;
    /* The system id of the file where the error occured. */
    XMLCh*          fSystemId;
    

};

#endif
