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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 /* |
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18 * Licensed to the Apache Software Foundation (ASF) under one or more |
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19 * contributor license agreements. See the NOTICE file distributed with |
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20 * this work for additional information regarding copyright ownership. |
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21 * The ASF licenses this file to You under the Apache License, Version 2.0 |
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22 * (the "License"); you may not use this file except in compliance with |
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23 * the License. You may obtain a copy of the License at |
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24 * |
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25 * http://www.apache.org/licenses/LICENSE-2.0 |
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26 * |
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27 * Unless required by applicable law or agreed to in writing, software |
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28 * distributed under the License is distributed on an "AS IS" BASIS, |
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29 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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30 * See the License for the specific language governing permissions and |
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31 * limitations under the License. |
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32 */ |
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33 |
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34 #ifndef XMLUTF16TRANSCODER_HPP |
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35 #define XMLUTF16TRANSCODER_HPP |
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36 |
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37 #include <xercesc/util/XercesDefs.hpp> |
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38 #include <xercesc/util/TransService.hpp> |
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39 |
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40 XERCES_CPP_NAMESPACE_BEGIN |
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41 |
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42 |
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43 // |
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44 // This class provides an implementation of the XMLTranscoder interface |
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45 // for a simple UTF16 transcoder. The parser does some encodings |
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46 // intrinsically without depending upon external transcoding services. |
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47 // To make everything more orthagonal, we implement these internal |
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48 // transcoders using the same transcoder abstraction as the pluggable |
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49 // transcoding services do. |
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50 // |
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51 class XMLUTIL_EXPORT XMLUTF16Transcoder : public XMLTranscoder |
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52 { |
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53 public : |
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54 // ----------------------------------------------------------------------- |
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55 // Public constructors and destructor |
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56 // ----------------------------------------------------------------------- |
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57 XMLUTF16Transcoder |
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58 ( |
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59 const XMLCh* const encodingName |
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60 , const unsigned int blockSize |
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61 , const bool swapped |
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62 , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager |
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63 ); |
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64 |
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65 virtual ~XMLUTF16Transcoder(); |
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66 |
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67 |
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68 // ----------------------------------------------------------------------- |
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69 // Implementation of the XMLTranscoder interface |
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70 // ----------------------------------------------------------------------- |
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71 virtual unsigned int transcodeFrom |
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72 ( |
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73 const XMLByte* const srcData |
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74 , const unsigned int srcCount |
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75 , XMLCh* const toFill |
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76 , const unsigned int maxChars |
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77 , unsigned int& bytesEaten |
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78 , unsigned char* const charSizes |
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79 ); |
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80 |
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81 virtual unsigned int transcodeTo |
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82 ( |
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83 const XMLCh* const srcData |
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84 , const unsigned int srcCount |
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85 , XMLByte* const toFill |
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86 , const unsigned int maxBytes |
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87 , unsigned int& charsEaten |
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88 , const UnRepOpts options |
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89 ); |
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90 |
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91 virtual bool canTranscodeTo |
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92 ( |
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93 const unsigned int toCheck |
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94 ) const; |
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95 |
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96 |
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97 private : |
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98 // ----------------------------------------------------------------------- |
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99 // Unimplemented constructors and operators |
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100 // ----------------------------------------------------------------------- |
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101 XMLUTF16Transcoder(const XMLUTF16Transcoder&); |
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102 XMLUTF16Transcoder& operator=(const XMLUTF16Transcoder&); |
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103 |
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104 |
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105 // ----------------------------------------------------------------------- |
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106 // Private data members |
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107 // |
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108 // fSwapped |
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109 // Indicates whether the encoding is of the opposite endianness from |
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110 // the local host. |
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111 // ----------------------------------------------------------------------- |
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112 bool fSwapped; |
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113 }; |
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114 |
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115 XERCES_CPP_NAMESPACE_END |
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116 |
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117 #endif |