1 | // |
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2 | // WhitespaceFilter.h |
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3 | // |
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4 | // $Id: //poco/1.3/XML/include/Poco/SAX/WhitespaceFilter.h#1 $ |
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5 | // |
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6 | // Library: XML |
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7 | // Package: SAX |
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8 | // Module: WhitespaceFilter |
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9 | // |
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10 | // Definition of the WhitespaceFilter class. |
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11 | // |
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12 | // Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH. |
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13 | // and Contributors. |
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14 | // |
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15 | // Permission is hereby granted, free of charge, to any person or organization |
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16 | // obtaining a copy of the software and accompanying documentation covered by |
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17 | // this license (the "Software") to use, reproduce, display, distribute, |
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18 | // execute, and transmit the Software, and to prepare derivative works of the |
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19 | // Software, and to permit third-parties to whom the Software is furnished to |
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20 | // do so, all subject to the following: |
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21 | // |
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22 | // The copyright notices in the Software and this entire statement, including |
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23 | // the above license grant, this restriction and the following disclaimer, |
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24 | // must be included in all copies of the Software, in whole or in part, and |
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25 | // all derivative works of the Software, unless such copies or derivative |
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26 | // works are solely in the form of machine-executable object code generated by |
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27 | // a source language processor. |
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28 | // |
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29 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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30 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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31 | // FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT |
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32 | // SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE |
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33 | // FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, |
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34 | // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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35 | // DEALINGS IN THE SOFTWARE. |
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36 | // |
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37 | |
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38 | |
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39 | #ifndef SAX_WhitespaceFilter_INCLUDED |
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40 | #define SAX_WhitespaceFilter_INCLUDED |
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41 | |
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42 | |
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43 | #include "Poco/XML/XML.h" |
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44 | #include "Poco/SAX/XMLFilterImpl.h" |
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45 | #include "Poco/SAX/LexicalHandler.h" |
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46 | |
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47 | |
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48 | namespace Poco { |
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49 | namespace XML { |
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50 | |
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51 | |
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52 | class XML_API WhitespaceFilter: public XMLFilterImpl, public LexicalHandler |
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53 | /// This implementation of the SAX2 XMLFilter interface |
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54 | /// filters all whitespace-only character data element |
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55 | /// content. |
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56 | { |
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57 | public: |
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58 | WhitespaceFilter(); |
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59 | /// Creates the WhitespaceFilter, with no parent. |
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60 | |
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61 | WhitespaceFilter(XMLReader* pReader); |
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62 | /// Creates the WhitespaceFilter with the specified parent. |
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63 | |
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64 | ~WhitespaceFilter(); |
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65 | /// Destroys the WhitespaceFilter. |
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66 | |
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67 | // XMLReader |
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68 | void setProperty(const XMLString& propertyId, const XMLString& value); |
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69 | void setProperty(const XMLString& propertyId, void* value); |
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70 | void* getProperty(const XMLString& propertyId) const; |
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71 | |
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72 | // ContentHandler |
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73 | void startDocument(); |
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74 | void endDocument(); |
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75 | void startElement(const XMLString& uri, const XMLString& localName, const XMLString& qname, const Attributes& attrList); |
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76 | void endElement(const XMLString& uri, const XMLString& localName, const XMLString& qname); |
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77 | void characters(const XMLChar ch[], int start, int length); |
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78 | void ignorableWhitespace(const XMLChar ch[], int start, int length); |
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79 | void processingInstruction(const XMLString& target, const XMLString& data); |
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80 | |
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81 | // LexicalHandler |
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82 | void startDTD(const XMLString& name, const XMLString& publicId, const XMLString& systemId); |
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83 | void endDTD(); |
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84 | void startEntity(const XMLString& name); |
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85 | void endEntity(const XMLString& name); |
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86 | void startCDATA(); |
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87 | void endCDATA(); |
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88 | void comment(const XMLChar ch[], int start, int length); |
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89 | |
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90 | protected: |
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91 | void setupParse(); |
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92 | |
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93 | private: |
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94 | LexicalHandler* _pLexicalHandler; |
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95 | XMLString _data; |
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96 | bool _filter; |
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97 | }; |
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98 | |
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99 | |
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100 | } } // namespace Poco::XML |
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101 | |
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102 | |
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103 | #endif // SAX_WhitespaceFilter_INCLUDED |
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