xref: /AOO41X/main/sax/test/saxdemo.cxx (revision f9b72d1151c0405011e988af4c8d57514307e7a3)
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11  *   http://www.apache.org/licenses/LICENSE-2.0
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13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
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16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
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21 
22 
23 
24 //------------------------------------------------------
25 // testcomponent - Loads a service and its testcomponent from dlls performs a test.
26 // Expands the dll-names depending on the actual environment.
27 // Example : testcomponent stardiv.uno.io.Pipe stm
28 //
29 // Therefor the testcode must exist in teststm and the testservice must be named test.stardiv.uno.io.Pipe
30 //
31 
32 #include <stdio.h>
33 #include <vector>
34 
35 #include <com/sun/star/registry/XImplementationRegistration.hpp>
36 #include <com/sun/star/lang/XComponent.hpp>
37 
38 #include <com/sun/star/xml/sax/SAXParseException.hpp>
39 #include <com/sun/star/xml/sax/XParser.hpp>
40 #include <com/sun/star/xml/sax/XExtendedDocumentHandler.hpp>
41 
42 #include <com/sun/star/io/XOutputStream.hpp>
43 #include <com/sun/star/io/XActiveDataSource.hpp>
44 
45 #include <cppuhelper/servicefactory.hxx>
46 #include <cppuhelper/implbase1.hxx>
47 #include <cppuhelper/implbase3.hxx>
48 
49 #include <vos/dynload.hxx>
50 #include <vos/diagnose.hxx>
51 
52 using namespace ::rtl;
53 using namespace ::std;
54 using namespace ::cppu;
55 using namespace ::com::sun::star::uno;
56 using namespace ::com::sun::star::lang;
57 using namespace ::com::sun::star::registry;
58 using namespace ::com::sun::star::xml::sax;
59 using namespace ::com::sun::star::io;
60 
61 
62 /************
63  * Sequence of bytes -> InputStream
64  ************/
65 class OInputStream : public WeakImplHelper1 < XInputStream >
66 {
67 public:
OInputStream(const Sequence<sal_Int8> & seq)68     OInputStream( const Sequence< sal_Int8 >&seq ) :
69         m_seq( seq ),
70         nPos( 0 )
71         {}
72 
73 public:
readBytes(Sequence<sal_Int8> & aData,sal_Int32 nBytesToRead)74     virtual sal_Int32 SAL_CALL readBytes( Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
75         throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
76         {
77             nBytesToRead = (nBytesToRead > m_seq.getLength() - nPos ) ?
78                 m_seq.getLength() - nPos :
79                 nBytesToRead;
80             aData = Sequence< sal_Int8 > ( &(m_seq.getConstArray()[nPos]) , nBytesToRead );
81             nPos += nBytesToRead;
82             return nBytesToRead;
83         }
readSomeBytes(::com::sun::star::uno::Sequence<sal_Int8> & aData,sal_Int32 nMaxBytesToRead)84     virtual sal_Int32 SAL_CALL readSomeBytes(
85         ::com::sun::star::uno::Sequence< sal_Int8 >& aData,
86         sal_Int32 nMaxBytesToRead )
87         throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
88         {
89             return readBytes( aData, nMaxBytesToRead );
90         }
skipBytes(sal_Int32 nBytesToSkip)91     virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip )
92         throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
93         {
94             // not implemented
95         }
available()96     virtual sal_Int32 SAL_CALL available(  )
97         throw(NotConnectedException, IOException, RuntimeException)
98         {
99             return m_seq.getLength() - nPos;
100         }
closeInput()101     virtual void SAL_CALL closeInput(  )
102         throw(NotConnectedException, IOException, RuntimeException)
103         {
104             // not needed
105         }
106     sal_Int32 nPos;
107     Sequence< sal_Int8> m_seq;
108 };
109 
110 //-------------------------------
111 // Helper : create an input stream from a file
112 //------------------------------
createStreamFromFile(const char * pcFile)113 Reference< XInputStream > createStreamFromFile(
114     const char *pcFile )
115 {
116     FILE *f = fopen( pcFile , "rb" );
117     Reference<  XInputStream >  r;
118 
119     if( f ) {
120         fseek( f , 0 , SEEK_END );
121         int nLength = ftell( f );
122         fseek( f , 0 , SEEK_SET );
123 
124         Sequence<sal_Int8> seqIn(nLength);
125         fread( seqIn.getArray() , nLength , 1 , f );
126 
127         r = Reference< XInputStream > ( new OInputStream( seqIn ) );
128         fclose( f );
129     }
130     return r;
131 }
132 
133 //-----------------------------------------
134 // The document handler, which is needed for the saxparser
135 // The Documenthandler for reading sax
136 //-----------------------------------------
137 class TestDocumentHandler :
138     public WeakImplHelper3< XExtendedDocumentHandler , XEntityResolver , XErrorHandler >
139 {
140 public:
TestDocumentHandler()141     TestDocumentHandler(  )
142     {
143     }
144 
145 public: // Error handler
error(const Any & aSAXParseException)146     virtual void SAL_CALL error(const Any& aSAXParseException) throw (SAXException, RuntimeException)
147     {
148         printf( "Error !\n" );
149         throw  SAXException(
150             OUString( RTL_CONSTASCII_USTRINGPARAM("error from error handler")) ,
151             Reference < XInterface >() ,
152             aSAXParseException );
153     }
fatalError(const Any & aSAXParseException)154     virtual void SAL_CALL fatalError(const Any& aSAXParseException) throw (SAXException, RuntimeException)
155     {
156         printf( "Fatal Error !\n" );
157     }
warning(const Any & aSAXParseException)158     virtual void SAL_CALL warning(const Any& aSAXParseException) throw (SAXException, RuntimeException)
159     {
160         printf( "Warning !\n" );
161     }
162 
163 
164 public: // ExtendedDocumentHandler
165 
startDocument(void)166     virtual void SAL_CALL startDocument(void) throw (SAXException, RuntimeException)
167     {
168         m_iElementCount = 0;
169         m_iAttributeCount = 0;
170         m_iWhitespaceCount =0;
171         m_iCharCount=0;
172         printf( "document started\n" );
173     }
endDocument(void)174     virtual void SAL_CALL endDocument(void) throw (SAXException, RuntimeException)
175     {
176         printf( "document finished\n" );
177         printf( "(ElementCount %d),(AttributeCount %d),(WhitespaceCount %d),(CharCount %d)\n",
178                 m_iElementCount, m_iAttributeCount, m_iWhitespaceCount , m_iCharCount );
179 
180     }
startElement(const OUString & aName,const Reference<XAttributeList> & xAttribs)181     virtual void SAL_CALL startElement(const OUString& aName,
182                               const Reference< XAttributeList > & xAttribs)
183         throw (SAXException,RuntimeException)
184     {
185         m_iElementCount ++;
186         m_iAttributeCount += xAttribs->getLength();
187     }
188 
endElement(const OUString & aName)189     virtual void SAL_CALL endElement(const OUString& aName) throw (SAXException,RuntimeException)
190     {
191         // ignored
192     }
193 
characters(const OUString & aChars)194     virtual void SAL_CALL characters(const OUString& aChars) throw (SAXException,RuntimeException)
195     {
196         m_iCharCount += aChars.getLength();
197     }
ignorableWhitespace(const OUString & aWhitespaces)198     virtual void SAL_CALL ignorableWhitespace(const OUString& aWhitespaces) throw (SAXException,RuntimeException)
199     {
200         m_iWhitespaceCount += aWhitespaces.getLength();
201     }
202 
processingInstruction(const OUString & aTarget,const OUString & aData)203     virtual void SAL_CALL processingInstruction(const OUString& aTarget, const OUString& aData) throw (SAXException,RuntimeException)
204     {
205         // ignored
206     }
207 
setDocumentLocator(const Reference<XLocator> & xLocator)208     virtual void SAL_CALL setDocumentLocator(const Reference< XLocator> & xLocator)
209         throw (SAXException,RuntimeException)
210     {
211         // ignored
212     }
213 
resolveEntity(const OUString & sPublicId,const OUString & sSystemId)214     virtual InputSource SAL_CALL resolveEntity(
215         const OUString& sPublicId,
216         const OUString& sSystemId)
217         throw (SAXException,RuntimeException)
218     {
219         InputSource source;
220         source.sSystemId = sSystemId;
221         source.sPublicId = sPublicId;
222 
223         source.aInputStream = createStreamFromFile(
224             OUStringToOString( sSystemId , RTL_TEXTENCODING_ASCII_US) );
225 
226         return source;
227     }
228 
startCDATA(void)229     virtual void SAL_CALL startCDATA(void) throw (SAXException,RuntimeException)
230     {
231     }
endCDATA(void)232     virtual void SAL_CALL endCDATA(void) throw (SAXException,RuntimeException)
233     {
234     }
comment(const OUString & sComment)235     virtual void SAL_CALL comment(const OUString& sComment) throw (SAXException,RuntimeException)
236     {
237     }
unknown(const OUString & sString)238     virtual void SAL_CALL unknown(const OUString& sString) throw (SAXException,RuntimeException)
239     {
240     }
241 
allowLineBreak(void)242     virtual void SAL_CALL allowLineBreak( void) throw (SAXException, RuntimeException )
243     {
244 
245     }
246 
247 public:
248     int m_iElementCount;
249     int m_iAttributeCount;
250     int m_iWhitespaceCount;
251     int m_iCharCount;
252 };
253 
254 //--------------------------------------
255 // helper implementation for writing
256 // implements an XAttributeList
257 //-------------------------------------
258 struct AttributeListImpl_impl;
259 class AttributeListImpl : public WeakImplHelper1< XAttributeList >
260 {
261 public:
262     AttributeListImpl();
263     AttributeListImpl( const AttributeListImpl & );
264     ~AttributeListImpl();
265 
266 public:
267     virtual sal_Int16 SAL_CALL getLength(void) throw  (RuntimeException);
268     virtual OUString SAL_CALL getNameByIndex(sal_Int16 i) throw  (RuntimeException);
269     virtual OUString SAL_CALL getTypeByIndex(sal_Int16 i) throw  (RuntimeException);
270     virtual OUString SAL_CALL getTypeByName(const OUString& aName) throw  (RuntimeException);
271     virtual OUString SAL_CALL getValueByIndex(sal_Int16 i) throw  (RuntimeException);
272     virtual OUString SAL_CALL getValueByName(const OUString& aName) throw  (RuntimeException);
273 
274 public:
275     void addAttribute( const OUString &sName ,
276                        const OUString &sType ,
277                        const OUString &sValue );
278     void clear();
279 
280 private:
281     struct AttributeListImpl_impl *m_pImpl;
282 };
283 
284 
285 struct TagAttribute
286 {
TagAttributeTagAttribute287     TagAttribute(){}
TagAttributeTagAttribute288     TagAttribute( const OUString &sName,
289                   const OUString &sType ,
290                   const OUString &sValue )
291     {
292         this->sName     = sName;
293         this->sType     = sType;
294         this->sValue    = sValue;
295     }
296 
297     OUString sName;
298     OUString sType;
299     OUString sValue;
300 };
301 
302 struct AttributeListImpl_impl
303 {
AttributeListImpl_implAttributeListImpl_impl304     AttributeListImpl_impl()
305     {
306         // performance improvement during adding
307         vecAttribute.reserve(20);
308     }
309     vector<struct TagAttribute> vecAttribute;
310 };
311 
312 
313 
getLength(void)314 sal_Int16 AttributeListImpl::getLength(void) throw  (RuntimeException)
315 {
316     return m_pImpl->vecAttribute.size();
317 }
318 
319 
AttributeListImpl(const AttributeListImpl & r)320 AttributeListImpl::AttributeListImpl( const AttributeListImpl &r )
321 {
322     m_pImpl = new AttributeListImpl_impl;
323     *m_pImpl = *(r.m_pImpl);
324 }
325 
getNameByIndex(sal_Int16 i)326 OUString AttributeListImpl::getNameByIndex(sal_Int16 i) throw  (RuntimeException)
327 {
328     if( i < m_pImpl->vecAttribute.size() ) {
329         return m_pImpl->vecAttribute[i].sName;
330     }
331     return OUString();
332 }
333 
334 
getTypeByIndex(sal_Int16 i)335 OUString AttributeListImpl::getTypeByIndex(sal_Int16 i) throw  (RuntimeException)
336 {
337     if( i < m_pImpl->vecAttribute.size() ) {
338         return m_pImpl->vecAttribute[i].sType;
339     }
340     return OUString();
341 }
342 
getValueByIndex(sal_Int16 i)343 OUString AttributeListImpl::getValueByIndex(sal_Int16 i) throw  (RuntimeException)
344 {
345     if( i < m_pImpl->vecAttribute.size() ) {
346         return m_pImpl->vecAttribute[i].sValue;
347     }
348     return OUString();
349 
350 }
351 
getTypeByName(const OUString & sName)352 OUString AttributeListImpl::getTypeByName( const OUString& sName ) throw  (RuntimeException)
353 {
354     vector<struct TagAttribute>::iterator ii = m_pImpl->vecAttribute.begin();
355 
356     for( ; ii != m_pImpl->vecAttribute.end() ; ii ++ ) {
357         if( (*ii).sName == sName ) {
358             return (*ii).sType;
359         }
360     }
361     return OUString();
362 }
363 
getValueByName(const OUString & sName)364 OUString AttributeListImpl::getValueByName(const OUString& sName) throw  (RuntimeException)
365 {
366     vector<struct TagAttribute>::iterator ii = m_pImpl->vecAttribute.begin();
367 
368     for( ; ii != m_pImpl->vecAttribute.end() ; ii ++ ) {
369         if( (*ii).sName == sName ) {
370             return (*ii).sValue;
371         }
372     }
373     return OUString();
374 }
375 
376 
377 
AttributeListImpl()378 AttributeListImpl::AttributeListImpl()
379 {
380     m_pImpl = new AttributeListImpl_impl;
381 }
382 
383 
384 
~AttributeListImpl()385 AttributeListImpl::~AttributeListImpl()
386 {
387     delete m_pImpl;
388 }
389 
390 
addAttribute(const OUString & sName,const OUString & sType,const OUString & sValue)391 void AttributeListImpl::addAttribute(   const OUString &sName ,
392                                         const OUString &sType ,
393                                         const OUString &sValue )
394 {
395     m_pImpl->vecAttribute.push_back( TagAttribute( sName , sType , sValue ) );
396 }
397 
clear()398 void AttributeListImpl::clear()
399 {
400     m_pImpl->vecAttribute.clear();
401 }
402 
403 
404 //--------------------------------------
405 // helper function for writing
406 // ensures that linebreaks are inserted
407 // when writing a long text.
408 // Note: this implementation may be a bit slow,
409 // but it shows, how the SAX-Writer handles the allowLineBreak calls.
410 //--------------------------------------
writeParagraphHelper(const Reference<XExtendedDocumentHandler> & r,const OUString & s)411 void writeParagraphHelper(
412     const  Reference< XExtendedDocumentHandler > &r ,
413     const OUString & s)
414 {
415     int nMax = s.getLength();
416     int nStart = 0;
417 
418     Sequence<sal_uInt16> seq( s.getLength() );
419     memcpy( seq.getArray() , s.getStr() , s.getLength() * sizeof( sal_uInt16 ) );
420 
421     for( int n = 1 ; n < nMax ; n++ ){
422         if( 32 == seq.getArray()[n] ) {
423             r->allowLineBreak();
424             r->characters( s.copy( nStart , n - nStart ) );
425             nStart = n;
426         }
427     }
428     r->allowLineBreak();
429     r->characters( s.copy( nStart , n - nStart ) );
430 }
431 
432 
433 //---------------------------------
434 // helper implementation for SAX-Writer
435 // writes data to a file
436 //--------------------------------
437 class OFileWriter :
438         public WeakImplHelper1< XOutputStream >
439 {
440 public:
OFileWriter(char * pcFile)441     OFileWriter( char *pcFile ) { strncpy( m_pcFile , pcFile, 256 - 1 ); m_f = 0; }
442 
443 
444 public:
445     virtual void SAL_CALL writeBytes(const Sequence< sal_Int8 >& aData)
446         throw  (NotConnectedException, BufferSizeExceededException, RuntimeException);
447     virtual void SAL_CALL flush(void)
448         throw  (NotConnectedException, BufferSizeExceededException, RuntimeException);
449     virtual void SAL_CALL closeOutput(void)
450         throw  (NotConnectedException, BufferSizeExceededException, RuntimeException);
451 private:
452     char m_pcFile[256];
453     FILE *m_f;
454 };
455 
456 
writeBytes(const Sequence<sal_Int8> & aData)457 void OFileWriter::writeBytes(const Sequence< sal_Int8 >& aData)
458     throw  (NotConnectedException, BufferSizeExceededException, RuntimeException)
459 {
460     if( ! m_f ) {
461         m_f = fopen( m_pcFile , "w" );
462     }
463 
464     fwrite( aData.getConstArray() , 1 , aData.getLength() , m_f );
465 }
466 
467 
flush(void)468 void OFileWriter::flush(void)
469     throw  (NotConnectedException, BufferSizeExceededException, RuntimeException)
470 {
471     fflush( m_f );
472 }
473 
closeOutput(void)474 void OFileWriter::closeOutput(void)
475     throw  (NotConnectedException, BufferSizeExceededException, RuntimeException)
476 {
477     fclose( m_f );
478     m_f = 0;
479 }
480 
481 
482 
483 // Needed to switch on solaris threads
484 #ifdef SOLARIS
485 extern "C" void ChangeGlobalInit();
486 #endif
main(int argc,char ** argv)487 int main (int argc, char **argv)
488 {
489 
490     if( argc < 3) {
491         printf( "usage : saxdemo inputfile outputfile\n" );
492         exit( 0 );
493     }
494 #ifdef SOLARIS
495     // switch on threads in solaris
496     ChangeGlobalInit();
497 #endif
498 
499     // create service manager
500     Reference< XMultiServiceFactory > xSMgr = createRegistryServiceFactory(
501         OUString( RTL_CONSTASCII_USTRINGPARAM( "applicat.rdb" )) );
502 
503     Reference < XImplementationRegistration > xReg;
504     try
505     {
506         // Create registration service
507         Reference < XInterface > x = xSMgr->createInstance(
508             OUString::createFromAscii( "com.sun.star.registry.ImplementationRegistration" ) );
509         xReg = Reference<  XImplementationRegistration > ( x , UNO_QUERY );
510     }
511     catch( Exception & ) {
512         printf( "Couldn't create ImplementationRegistration service\n" );
513         exit(1);
514     }
515 
516     OString sTestName;
517     try
518     {
519         // Load dll for the tested component
520         OUString aDllName =
521             OUString::createFromAscii( "sax.uno" SAL_DLLEXTENSION );
522         xReg->registerImplementation(
523             OUString::createFromAscii( "com.sun.star.loader.SharedLibrary" ),
524             aDllName,
525             Reference< XSimpleRegistry > ()  );
526     }
527     catch( Exception &e ) {
528         printf( "Couldn't reach sax dll\n" );
529         printf( "%s\n" , OUStringToOString( e.Message , RTL_TEXTENCODING_ASCII_US ).getStr() );
530 
531         exit(1);
532     }
533 
534 
535     //--------------------------------
536     // parser demo
537     // read xml from a file and count elements
538     //--------------------------------
539     Reference< XInterface > x = xSMgr->createInstance(
540         OUString::createFromAscii( "com.sun.star.xml.sax.Parser" ) );
541     if( x.is() )
542     {
543         Reference< XParser > rParser( x , UNO_QUERY );
544 
545         // create and connect the document handler to the parser
546         TestDocumentHandler *pDocHandler = new TestDocumentHandler( );
547 
548         Reference < XDocumentHandler >  rDocHandler( (XDocumentHandler *) pDocHandler );
549         Reference< XEntityResolver > rEntityResolver( (XEntityResolver *) pDocHandler );
550 
551         rParser->setDocumentHandler( rDocHandler );
552         rParser->setEntityResolver( rEntityResolver );
553 
554         // create the input stream
555         InputSource source;
556         source.aInputStream = createStreamFromFile( argv[1] );
557         source.sSystemId    = OUString::createFromAscii( argv[1] );
558 
559         try
560         {
561             // start parsing
562             rParser->parseStream( source );
563         }
564 
565         catch( Exception & e )
566         {
567             OString o1 = OUStringToOString(e.Message, RTL_TEXTENCODING_UTF8 );
568             printf( "Exception during parsing : %s\n" ,  o1.getStr() );
569         }
570     }
571     else
572     {
573         printf( "couln't create sax-parser component\n" );
574     }
575 
576 
577     //----------------------
578     // The SAX-Writer demo
579     //----------------------
580     x= xSMgr->createInstance( OUString::createFromAscii( "com.sun.star.xml.sax.Writer" ) );
581     if( x.is() )
582     {
583         printf( "start writing to %s\n" , argv[2] );
584 
585         OFileWriter *pw = new OFileWriter( argv[2] );
586         Reference< XActiveDataSource > source( x , UNO_QUERY );
587         source->setOutputStream( Reference< XOutputStream> ( (XOutputStream*) pw ) );
588 
589         AttributeListImpl *pList = new AttributeListImpl;
590         Reference< XAttributeList > rList( (XAttributeList *) pList );
591 
592         Reference< XExtendedDocumentHandler > r( x , UNO_QUERY );
593         r->startDocument();
594 
595         pList->addAttribute( OUString( RTL_CONSTASCII_USTRINGPARAM("Arg1" )),
596                              OUString( RTL_CONSTASCII_USTRINGPARAM("CDATA")) ,
597                              OUString( RTL_CONSTASCII_USTRINGPARAM("foo\n   u")) );
598         pList->addAttribute( OUString( RTL_CONSTASCII_USTRINGPARAM("Arg2")) ,
599                              OUString( RTL_CONSTASCII_USTRINGPARAM("CDATA")) ,
600                              OUString( RTL_CONSTASCII_USTRINGPARAM("foo2")) );
601 
602         r->startElement( OUString( RTL_CONSTASCII_USTRINGPARAM("tag1"))  , rList );
603         // tells the writer to insert a linefeed
604         r->ignorableWhitespace( OUString() );
605 
606         r->characters( OUString( RTL_CONSTASCII_USTRINGPARAM("huhu")) );
607         r->ignorableWhitespace( OUString() );
608 
609         r->startElement( OUString( RTL_CONSTASCII_USTRINGPARAM("hi")) , rList );
610         r->ignorableWhitespace( OUString() );
611 
612         // the enpassant must be converted & -> &amp;
613         r->characters( OUString( RTL_CONSTASCII_USTRINGPARAM("&#252;")) );
614         r->ignorableWhitespace( OUString() );
615 
616         // '>' must not be converted
617         r->startCDATA();
618         r->characters( OUString( RTL_CONSTASCII_USTRINGPARAM(" > foo < "))  );
619         r->endCDATA();
620         r->ignorableWhitespace( OUString() );
621 
622         OUString testParagraph = OUString( RTL_CONSTASCII_USTRINGPARAM(
623             "This is only a test to check, if the writer inserts line feeds "
624             "if needed or if the writer puts the whole text into one line." ));
625         writeParagraphHelper( r , testParagraph );
626 
627         r->ignorableWhitespace( OUString() );
628         r->comment( OUString( RTL_CONSTASCII_USTRINGPARAM("This is a comment !")) );
629         r->ignorableWhitespace( OUString() );
630 
631         r->startElement( OUString( RTL_CONSTASCII_USTRINGPARAM("emptytagtest"))  , rList );
632         r->endElement( OUString( RTL_CONSTASCII_USTRINGPARAM("emptytagtest")) );
633         r->ignorableWhitespace( OUString() );
634 
635         r->endElement( OUString( RTL_CONSTASCII_USTRINGPARAM("hi")) );
636         r->ignorableWhitespace( OUString() );
637 
638         r->endElement( OUString( RTL_CONSTASCII_USTRINGPARAM("tag1")) );
639         r->endDocument();
640 
641         printf( "finished writing\n" );
642     }
643     else
644     {
645         printf( "couln't create sax-writer component\n" );
646     }
647 }
648