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/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2002 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:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* 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
* software without prior written permission. For written
* permission, please contact apache\@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* 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) 2001, International
* Business Machines, Inc., http://www.ibm.com . For more information
* on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
/*
* $Id$
*/
#if !defined(ENCODINGVALIDATOR_HPP)
#define ENCODINGVALIDATOR_HPP
// ---------------------------------------------------------------------------
// Includes
// ---------------------------------------------------------------------------
#include <xercesc/util/ValueHashTableOf.hpp>
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/**
* A singleton class that checks whether an encoding name is a valid IANA
* encoding
*/
class XMLUTIL_EXPORT EncodingValidator {
public:
// -----------------------------------------------------------------------
// Constructors and destructors
// -----------------------------------------------------------------------
~EncodingValidator();
// -----------------------------------------------------------------------
// Validation methods
// -----------------------------------------------------------------------
bool isValidEncoding(const XMLCh* const encName);
// -----------------------------------------------------------------------
// Instance methods
// -----------------------------------------------------------------------
static EncodingValidator* instance();
// -----------------------------------------------------------------------
// Notification that lazy data has been deleted
// -----------------------------------------------------------------------
static void reinitInstance();
private:
// -----------------------------------------------------------------------
// Constructor and destructors
// -----------------------------------------------------------------------
EncodingValidator();
// -----------------------------------------------------------------------
// Private Helpers methods
// -----------------------------------------------------------------------
/*
* Initializes the registry with a set of valid IANA encoding names
*/
void initializeRegistry();
// -----------------------------------------------------------------------
// Private data members
//
// fEncodingRegistry
// Contains a set of IANA encoding names
//
// fInstance
// An EncodingValidator singleton instance
// -----------------------------------------------------------------------
ValueHashTableOf<bool>* fEncodingRegistry;
static EncodingValidator* fInstance;
};
#endif
/**
* End file EncodingValidator.hpp
*/