| /* |
| * 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/>. |
| */ |
| |
| /* |
| * $Log$ |
| * Revision 1.3 2003/03/04 21:11:12 knoaman |
| * [Bug 17516] Thread safety problems in ../util/ and ../util/regx. |
| * |
| * Revision 1.2 2002/11/04 15:22:03 tng |
| * C++ Namespace Support. |
| * |
| * Revision 1.1 2002/07/18 20:08:16 knoaman |
| * Initial checkin: feature to control strict IANA encoding name. |
| * |
| */ |
| |
| // --------------------------------------------------------------------------- |
| // Includes |
| // --------------------------------------------------------------------------- |
| #include <xercesc/util/EncodingValidator.hpp> |
| #include <xercesc/internal/IANAEncodings.hpp> |
| #include <xercesc/util/PlatformUtils.hpp> |
| #include <xercesc/util/XMLRegisterCleanup.hpp> |
| |
| XERCES_CPP_NAMESPACE_BEGIN |
| |
| // --------------------------------------------------------------------------- |
| // Static member data initialization |
| // --------------------------------------------------------------------------- |
| EncodingValidator* EncodingValidator::fInstance = 0; |
| |
| |
| // --------------------------------------------------------------------------- |
| // EncodingValidator: Constructors and Destructor |
| // --------------------------------------------------------------------------- |
| EncodingValidator::EncodingValidator() : |
| fEncodingRegistry(0) |
| { |
| initializeRegistry(); |
| } |
| |
| EncodingValidator::~EncodingValidator() { |
| |
| delete fEncodingRegistry; |
| fEncodingRegistry = 0; |
| } |
| |
| // --------------------------------------------------------------------------- |
| // EncodingValidator: Validation methods |
| // --------------------------------------------------------------------------- |
| bool EncodingValidator::isValidEncoding(const XMLCh* const encName) { |
| |
| if (fEncodingRegistry->containsKey(encName)) |
| return true; |
| |
| return false; |
| } |
| |
| |
| // --------------------------------------------------------------------------- |
| // EncodingValidator: Initialization methods |
| // --------------------------------------------------------------------------- |
| void EncodingValidator::initializeRegistry() { |
| |
| fEncodingRegistry = new ValueHashTableOf<bool>(109); |
| |
| for (unsigned int i=0; i < gEncodingArraySize; i++) { |
| fEncodingRegistry->put((void*) gEncodingArray[i], true); |
| } |
| } |
| |
| |
| // --------------------------------------------------------------------------- |
| // EncodingValidator: Instance methods |
| // --------------------------------------------------------------------------- |
| EncodingValidator* EncodingValidator::instance() { |
| static XMLRegisterCleanup instanceCleanup; |
| |
| if (!fInstance) { |
| EncodingValidator* t = new EncodingValidator(); |
| if (XMLPlatformUtils::compareAndSwap((void **)&fInstance, t, 0) != 0) |
| { |
| delete t; |
| } |
| else |
| { |
| instanceCleanup.registerCleanup(reinitInstance); |
| } |
| |
| } |
| return (fInstance); |
| } |
| |
| // ----------------------------------------------------------------------- |
| // Notification that lazy data has been deleted |
| // ----------------------------------------------------------------------- |
| void EncodingValidator::reinitInstance() { |
| |
| delete fInstance; |
| fInstance = 0; |
| } |
| |
| XERCES_CPP_NAMESPACE_END |
| |
| /** |
| * End of file EncodingValidator.cpp |
| */ |