source: icXML/icXML-devel/src/xercesc/util/EncodingValidator.hpp @ 2722

Last change on this file since 2722 was 2722, checked in by cameron, 6 years ago

Original Xerces files with import mods for icxercesc

File size: 2.9 KB
Line 
1/*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements.  See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License.  You may obtain a copy of the License at
8 *
9 *      http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18/*
19 * $Id: EncodingValidator.hpp 635560 2008-03-10 14:10:09Z borisk $
20 */
21
22#if !defined(XERCESC_INCLUDE_GUARD_ENCODINGVALIDATOR_HPP)
23#define XERCESC_INCLUDE_GUARD_ENCODINGVALIDATOR_HPP
24
25// ---------------------------------------------------------------------------
26//  Includes
27// ---------------------------------------------------------------------------
28#include <icxercesc/util/ValueHashTableOf.hpp>
29
30XERCES_CPP_NAMESPACE_BEGIN
31
32/**
33  * A singleton class that checks whether an encoding name is a valid IANA
34  * encoding
35  */
36
37class XMLUTIL_EXPORT EncodingValidator {
38
39public:
40    // -----------------------------------------------------------------------
41    //  Validation methods
42    // -----------------------------------------------------------------------
43    bool isValidEncoding(const XMLCh* const encName);
44
45    // -----------------------------------------------------------------------
46    //  Instance methods
47    // -----------------------------------------------------------------------
48    static EncodingValidator* instance();
49
50private:
51    // -----------------------------------------------------------------------
52    //  Constructor and destructors
53    // -----------------------------------------------------------------------
54    EncodingValidator();
55    ~EncodingValidator();
56
57    // -----------------------------------------------------------------------
58    //  Private Helpers methods
59    // -----------------------------------------------------------------------
60    /*
61     *  Initializes the registry with a set of valid IANA encoding names
62     */
63     void initializeRegistry();
64
65    // -----------------------------------------------------------------------
66    //  Private data members
67    //
68    //  fEncodingRegistry
69    //      Contains a set of IANA encoding names
70        //
71    //  fInstance
72    //      An EncodingValidator singleton instance
73    // -----------------------------------------------------------------------
74    ValueHashTableOf<bool>*   fEncodingRegistry;
75    static EncodingValidator* fInstance;
76    friend class XMLInitializer;
77};
78
79XERCES_CPP_NAMESPACE_END
80
81#endif
82
83/**
84  *     End file EncodingValidator.hpp
85  */
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