source: NonGTP/Xerces/xercesc/util/EncodingValidator.hpp @ 188

Revision 188, 5.0 KB checked in by mattausch, 19 years ago (diff)

added xercesc to support

Line 
1/*
2 * The Apache Software License, Version 1.1
3 *
4 * Copyright (c) 2002 The Apache Software Foundation.  All rights
5 * reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 *
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in
16 *    the documentation and/or other materials provided with the
17 *    distribution.
18 *
19 * 3. The end-user documentation included with the redistribution,
20 *    if any, must include the following acknowledgment:
21 *       "This product includes software developed by the
22 *        Apache Software Foundation (http://www.apache.org/)."
23 *    Alternately, this acknowledgment may appear in the software itself,
24 *    if and wherever such third-party acknowledgments normally appear.
25 *
26 * 4. The names "Xerces" and "Apache Software Foundation" must
27 *    not be used to endorse or promote products derived from this
28 *    software without prior written permission. For written
29 *    permission, please contact apache\@apache.org.
30 *
31 * 5. Products derived from this software may not be called "Apache",
32 *    nor may "Apache" appear in their name, without prior written
33 *    permission of the Apache Software Foundation.
34 *
35 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
36 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
37 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
38 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
42 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
43 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
44 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
45 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
46 * SUCH DAMAGE.
47 * ====================================================================
48 *
49 * This software consists of voluntary contributions made by many
50 * individuals on behalf of the Apache Software Foundation, and was
51 * originally based on software copyright (c) 2001, International
52 * Business Machines, Inc., http://www.ibm.com .  For more information
53 * on the Apache Software Foundation, please see
54 * <http://www.apache.org/>.
55 */
56
57/*
58 * $Id: EncodingValidator.hpp,v 1.3 2003/03/04 21:11:12 knoaman Exp $
59 */
60
61#if !defined(ENCODINGVALIDATOR_HPP)
62#define ENCODINGVALIDATOR_HPP
63
64// ---------------------------------------------------------------------------
65//  Includes
66// ---------------------------------------------------------------------------
67#include <xercesc/util/ValueHashTableOf.hpp>
68
69XERCES_CPP_NAMESPACE_BEGIN
70
71/**
72  * A singleton class that checks whether an encoding name is a valid IANA
73  * encoding
74  */
75
76class XMLUTIL_EXPORT EncodingValidator {
77
78public:
79    // -----------------------------------------------------------------------
80    //  Validation methods
81    // -----------------------------------------------------------------------
82    bool isValidEncoding(const XMLCh* const encName);
83
84    // -----------------------------------------------------------------------
85    //  Instance methods
86    // -----------------------------------------------------------------------
87        static EncodingValidator* instance();
88
89        // -----------------------------------------------------------------------
90    //  Notification that lazy data has been deleted
91    // -----------------------------------------------------------------------
92        static void reinitInstance();
93
94private:
95    // -----------------------------------------------------------------------
96    //  Constructor and destructors
97    // -----------------------------------------------------------------------
98    EncodingValidator();
99    ~EncodingValidator();
100
101    // -----------------------------------------------------------------------
102    //  Private Helpers methods
103    // -----------------------------------------------------------------------
104    /*
105     *  Initializes the registry with a set of valid IANA encoding names
106     */
107     void initializeRegistry();
108
109    // -----------------------------------------------------------------------
110    //  Private data members
111    //
112    //  fEncodingRegistry
113    //      Contains a set of IANA encoding names
114        //
115    //  fInstance
116    //      An EncodingValidator singleton instance
117    // -----------------------------------------------------------------------
118    ValueHashTableOf<bool>*   fEncodingRegistry;
119    static EncodingValidator* fInstance;
120};
121
122XERCES_CPP_NAMESPACE_END
123
124#endif
125
126/**
127  *     End file EncodingValidator.hpp
128  */
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