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: StdInInputSource.hpp 568078 2007-08-21 11:43:25Z amassari $ |
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20 | */ |
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21 | |
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22 | |
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23 | #if !defined(STDININPUTSOURCE_HPP) |
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24 | #define STDININPUTSOURCE_HPP |
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25 | |
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26 | #include <xercesc/sax/InputSource.hpp> |
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27 | |
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28 | XERCES_CPP_NAMESPACE_BEGIN |
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29 | |
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30 | class BinInputStream; |
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31 | |
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32 | |
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33 | /** |
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34 | * This class is a derivative of the standard InputSource class. It provides |
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35 | * for the parser access to data via the standard input. This input source |
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36 | * is not commonly used, but can be useful when implementing such things |
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37 | * as pipe based tools which exchange XML data. |
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38 | * |
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39 | * As with all InputSource derivatives. The primary objective of an input |
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40 | * source is to create an input stream via which the parser can spool in |
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41 | * data from the referenced source. |
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42 | */ |
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43 | class XMLPARSER_EXPORT StdInInputSource : public InputSource |
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44 | { |
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45 | public : |
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46 | // ----------------------------------------------------------------------- |
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47 | // Constructors and Destructor |
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48 | // ----------------------------------------------------------------------- |
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49 | |
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50 | /** @name Constructor */ |
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51 | //@{ |
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52 | |
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53 | /** |
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54 | * Since the standard input is a canned source, the constructor is very |
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55 | * simple. It just uses local platform services to open up the standard |
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56 | * input source as file, a new handleof which it gives to each new stream |
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57 | * it creates. |
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58 | */ |
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59 | StdInInputSource(MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager); |
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60 | //@} |
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61 | |
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62 | /** @name Destructor */ |
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63 | //@{ |
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64 | ~StdInInputSource(); |
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65 | //@} |
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66 | |
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67 | |
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68 | // ----------------------------------------------------------------------- |
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69 | // Virtual input source interface |
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70 | // ----------------------------------------------------------------------- |
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71 | |
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72 | |
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73 | /** @name Virtual methods */ |
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74 | //@{ |
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75 | |
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76 | /** |
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77 | * This method will return a binary input stream derivative that will |
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78 | * parse from the standard input of the local host. |
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79 | * |
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80 | * @return A dynamically allocated binary input stream derivative that |
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81 | * can parse from the standardinput. |
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82 | */ |
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83 | BinInputStream* makeStream() const; |
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84 | |
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85 | //@} |
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86 | |
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87 | private: |
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88 | // ----------------------------------------------------------------------- |
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89 | // Unimplemented constructors and operators |
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90 | // ----------------------------------------------------------------------- |
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91 | StdInInputSource(const StdInInputSource&); |
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92 | StdInInputSource& operator=(const StdInInputSource&); |
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93 | |
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94 | }; |
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95 | |
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96 | inline StdInInputSource::StdInInputSource(MemoryManager* const manager) : |
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97 | |
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98 | InputSource("stdin", manager) |
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99 | { |
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100 | } |
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101 | |
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102 | inline StdInInputSource::~StdInInputSource() |
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103 | { |
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104 | } |
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105 | |
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106 | XERCES_CPP_NAMESPACE_END |
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107 | |
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108 | #endif |
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