[2674] | 1 | /* |
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| 2 | * Licensed to the Apache Software Foundation (ASF) under one or more |
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| 3 | * contributor license agreements. See the NOTICE file distributed with |
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| 4 | * this work for additional information regarding copyright ownership. |
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| 5 | * The ASF licenses this file to You under the Apache License, Version 2.0 |
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| 6 | * (the "License"); you may not use this file except in compliance with |
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| 7 | * the License. You may obtain a copy of the License at |
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| 8 | * |
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| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 10 | * |
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| 11 | * Unless required by applicable law or agreed to in writing, software |
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| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 14 | * See the License for the specific language governing permissions and |
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| 15 | * limitations under the License. |
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| 16 | */ |
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| 17 | |
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| 18 | /* |
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| 19 | * $Id: EncodingValidator.hpp 568078 2007-08-21 11:43:25Z amassari $ |
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| 20 | */ |
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| 21 | |
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| 22 | #if !defined(ENCODINGVALIDATOR_HPP) |
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| 23 | #define ENCODINGVALIDATOR_HPP |
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| 24 | |
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| 25 | // --------------------------------------------------------------------------- |
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| 26 | // Includes |
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| 27 | // --------------------------------------------------------------------------- |
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| 28 | #include <xercesc/util/ValueHashTableOf.hpp> |
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| 29 | |
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| 30 | XERCES_CPP_NAMESPACE_BEGIN |
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| 31 | |
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| 32 | /** |
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| 33 | * A singleton class that checks whether an encoding name is a valid IANA |
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| 34 | * encoding |
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| 35 | */ |
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| 36 | |
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| 37 | class XMLUTIL_EXPORT EncodingValidator { |
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| 38 | |
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| 39 | public: |
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| 40 | // ----------------------------------------------------------------------- |
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| 41 | // Validation methods |
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| 42 | // ----------------------------------------------------------------------- |
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| 43 | bool isValidEncoding(const XMLCh* const encName); |
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| 44 | |
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| 45 | // ----------------------------------------------------------------------- |
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| 46 | // Instance methods |
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| 47 | // ----------------------------------------------------------------------- |
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| 48 | static EncodingValidator* instance(); |
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| 49 | |
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| 50 | // ----------------------------------------------------------------------- |
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| 51 | // Notification that lazy data has been deleted |
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| 52 | // ----------------------------------------------------------------------- |
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| 53 | static void reinitInstance(); |
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| 54 | |
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| 55 | private: |
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| 56 | // ----------------------------------------------------------------------- |
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| 57 | // Constructor and destructors |
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| 58 | // ----------------------------------------------------------------------- |
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| 59 | EncodingValidator(); |
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| 60 | ~EncodingValidator(); |
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| 61 | |
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| 62 | // ----------------------------------------------------------------------- |
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| 63 | // Private Helpers methods |
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| 64 | // ----------------------------------------------------------------------- |
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| 65 | /* |
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| 66 | * Initializes the registry with a set of valid IANA encoding names |
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| 67 | */ |
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| 68 | void initializeRegistry(); |
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| 69 | |
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| 70 | // ----------------------------------------------------------------------- |
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| 71 | // Private data members |
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| 72 | // |
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| 73 | // fEncodingRegistry |
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| 74 | // Contains a set of IANA encoding names |
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| 75 | // |
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| 76 | // fInstance |
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| 77 | // An EncodingValidator singleton instance |
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| 78 | // ----------------------------------------------------------------------- |
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| 79 | ValueHashTableOf<bool>* fEncodingRegistry; |
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| 80 | static EncodingValidator* fInstance; |
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| 81 | friend class XMLInitializer; |
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| 82 | }; |
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| 83 | |
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| 84 | XERCES_CPP_NAMESPACE_END |
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| 85 | |
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| 86 | #endif |
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| 87 | |
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| 88 | /** |
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| 89 | * End file EncodingValidator.hpp |
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| 90 | */ |
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