LibreOffice Module oox (master)  1
fastparser.cxx
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19 
20 #include <sal/config.h>
21 
22 #include <com/sun/star/lang/IllegalArgumentException.hpp>
23 #include <oox/core/fastparser.hxx>
24 
29 
30 #include <sax/fastparser.hxx>
31 
32 namespace oox::core {
33 
34 using namespace ::com::sun::star::io;
35 using namespace ::com::sun::star::lang;
36 using namespace ::com::sun::star::uno;
37 using namespace ::com::sun::star::xml::sax;
38 
39 namespace {
40 
41 class InputStreamCloseGuard
42 {
43 public:
44  explicit InputStreamCloseGuard( const Reference< XInputStream >& rxInStream, bool bCloseStream );
45  ~InputStreamCloseGuard();
46 private:
49 };
50 
51 InputStreamCloseGuard::InputStreamCloseGuard( const Reference< XInputStream >& rxInStream, bool bCloseStream ) :
52  mxInStream( rxInStream ),
53  mbCloseStream( bCloseStream )
54 {
55 }
56 
57 InputStreamCloseGuard::~InputStreamCloseGuard()
58 {
59  if( mxInStream.is() && mbCloseStream ) try { mxInStream->closeInput(); } catch( Exception& ) {}
60 }
61 
62 } // namespace
63 
64 FastParser::FastParser() :
65  mrNamespaceMap( StaticNamespaceMap() )
66 {
67  // create a fast parser instance
69 
70  // create the fast tokenhandler
72 
73  // create the fast token handler based on the OOXML token list
74  mxParser->setTokenHandler( mxTokenHandler );
75 }
76 
78 {
79 }
80 
81 void FastParser::registerNamespace( sal_Int32 nNamespaceId )
82 {
83  if( !mxParser.is() )
84  throw RuntimeException();
85 
86  // add handling for OOXML strict here
87  const OUString* pNamespaceUrl = ContainerHelper::getMapElement( mrNamespaceMap.maTransitionalNamespaceMap, nNamespaceId );
88  if( !pNamespaceUrl )
89  throw IllegalArgumentException();
90 
91  mxParser->registerNamespace( *pNamespaceUrl, nNamespaceId );
92 
93  //also register the OOXML strict namespaces for the same id
94  const OUString* pNamespaceStrictUrl = ContainerHelper::getMapElement( mrNamespaceMap.maStrictNamespaceMap, nNamespaceId );
95  if(pNamespaceStrictUrl && (*pNamespaceUrl != *pNamespaceStrictUrl))
96  {
97  mxParser->registerNamespace( *pNamespaceStrictUrl, nNamespaceId );
98  }
99 }
100 
101 void FastParser::setDocumentHandler( const Reference< XFastDocumentHandler >& rxDocHandler )
102 {
103  if( !mxParser.is() )
104  throw RuntimeException();
105  mxParser->setFastDocumentHandler( rxDocHandler );
106 }
107 
109 {
110  if (!mxParser.is())
111  return;
112  mxParser->setFastDocumentHandler(nullptr);
113 }
114 
115 void FastParser::parseStream( const InputSource& rInputSource, bool bCloseStream )
116 {
117  // guard closing the input stream also when exceptions are thrown
118  InputStreamCloseGuard aGuard( rInputSource.aInputStream, bCloseStream );
119  if( !mxParser.is() )
120  throw RuntimeException();
121  mxParser->parseStream( rInputSource );
122 }
123 
124 void FastParser::parseStream( const Reference< XInputStream >& rxInStream, const OUString& rStreamName )
125 {
126  InputSource aInputSource;
127  aInputSource.sSystemId = rStreamName;
128  aInputSource.aInputStream = rxInStream;
129  parseStream( aInputSource );
130 }
131 
132 void FastParser::parseStream( StorageBase& rStorage, const OUString& rStreamName )
133 {
134  parseStream( rStorage.openInputStream( rStreamName ), rStreamName );
135 }
136 
137 } // namespace oox::core
138 
139 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
void registerNamespace(sal_Int32 nNamespaceId)
Registers an OOXML namespace at the parser.
Definition: fastparser.cxx:81
std::map< sal_Int32, OUString > maTransitionalNamespaceMap
bool mbCloseStream
Definition: fastparser.cxx:48
void parseStream(const css::xml::sax::InputSource &rInputSource, bool bCloseStream=false)
Parses the passed SAX input source.
css::uno::Reference< css::xml::sax::XFastTokenHandler > mxTokenHandler
Definition: fastparser.hxx:108
rtl::Reference< sax_fastparser::FastSaxParser > mxParser
Definition: fastparser.hxx:110
void setDocumentHandler(const css::uno::Reference< css::xml::sax::XFastDocumentHandler > &rxDocHandler)
Sets the passed document handler that will receive the SAX parser events.
Definition: fastparser.cxx:101
Base class for storage access implementations.
Definition: storagebase.hxx:51
Reference< XInputStream > mxInStream
Definition: fastparser.cxx:47
css::uno::Reference< css::io::XInputStream > openInputStream(const OUString &rStreamName)
Opens and returns the specified input stream from the storage.
std::map< sal_Int32, OUString > maStrictNamespaceMap
Wrapper implementing the com.sun.star.xml.sax.XFastTokenHandler API interface that provides access to...
static const MapType::mapped_type * getMapElement(const MapType &rMap, const typename MapType::key_type &rKey)
Returns the pointer to an existing element of the passed map, or a null pointer, if an element with t...
const NamespaceMap & mrNamespaceMap
Definition: fastparser.hxx:109
NamespaceMap & StaticNamespaceMap()
Thread-safe singleton of a map of all supported XML namespace URLs.