/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/


#include <vector>
#include <stdio.h>

#include <com/sun/star/test/XSimpleTest.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>  // for the multiservice-factories

#include <com/sun/star/io/XActiveDataSource.hpp>
#include <com/sun/star/io/XOutputStream.hpp>
#include <com/sun/star/xml/sax/SAXParseException.hpp>
#include <com/sun/star/xml/sax/XParser.hpp>
#include <com/sun/star/xml/sax/XExtendedDocumentHandler.hpp>

#include <osl/time.h>

#include <cppuhelper/factory.hxx>
#include <cppuhelper/implbase1.hxx>
#include <cppuhelper/implbase3.hxx>


using namespace ::std;
using namespace ::rtl;
using namespace ::cppu;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::test;
using namespace ::com::sun::star::registry;
using namespace ::com::sun::star::io;
using namespace ::com::sun::star::xml::sax;

#include "factory.hxx"

namespace sax_test {

class OFileWriter :
		public WeakImplHelper1< XOutputStream >
{
public:
    OFileWriter( char *pcFile ) { strncpy( m_pcFile, pcFile, 256 - 1 ); m_f = 0; }


public:
    virtual void SAL_CALL writeBytes(const Sequence< sal_Int8 >& aData)
		throw  (NotConnectedException, BufferSizeExceededException, RuntimeException);
    virtual void SAL_CALL flush(void)
		throw  (NotConnectedException, BufferSizeExceededException, RuntimeException);
    virtual void SAL_CALL closeOutput(void)
		throw  (NotConnectedException, BufferSizeExceededException, RuntimeException);
private:
	char m_pcFile[256];
	FILE *m_f;
};


void OFileWriter::writeBytes(const Sequence< sal_Int8 >& aData)
	throw  (NotConnectedException, BufferSizeExceededException, RuntimeException)
{
	if( ! m_f ) {
		m_f = fopen( m_pcFile , "w" );
	}

   	fwrite( aData.getConstArray() , 1 , aData.getLength() , m_f );
}


void OFileWriter::flush(void)
	throw  (NotConnectedException, BufferSizeExceededException, RuntimeException)
{
	fflush( m_f );
}

void OFileWriter::closeOutput(void)
	throw  (NotConnectedException, BufferSizeExceededException, RuntimeException)
{
	fclose( m_f );
	m_f = 0;
}


class OSaxWriterTest :
		public WeakImplHelper1< XSimpleTest >
{
public:
	OSaxWriterTest( const Reference < XMultiServiceFactory > & rFactory ) : m_rFactory( rFactory )
	{

	}
	~OSaxWriterTest() {}


public:
    virtual void SAL_CALL testInvariant(
		const OUString& TestName,
		const Reference < XInterface >& TestObject)
		throw  (	IllegalArgumentException,
					RuntimeException);

    virtual sal_Int32 SAL_CALL test(
		const OUString& TestName,
		const Reference < XInterface >& TestObject,
		sal_Int32 hTestHandle)
		throw  (	IllegalArgumentException,RuntimeException);

    virtual sal_Bool SAL_CALL testPassed(void)
		throw  (	RuntimeException);
    virtual Sequence< OUString > SAL_CALL getErrors(void) 				throw  (RuntimeException);
    virtual Sequence< Any > SAL_CALL getErrorExceptions(void) 		throw  (RuntimeException);
    virtual Sequence< OUString > SAL_CALL getWarnings(void) 			throw  (RuntimeException);

private:
	void testSimple( const Reference< XExtendedDocumentHandler > &r );
	void testExceptions( const Reference< XExtendedDocumentHandler > &r );
	void testDTD( const Reference< XExtendedDocumentHandler > &r );
	void testPerformance( const Reference< XExtendedDocumentHandler > &r );
	void writeParagraph( const Reference< XExtendedDocumentHandler > &r , const OUString & s);

private:
	Sequence<Any>  		m_seqExceptions;
	Sequence<OUString> 		m_seqErrors;
	Sequence<OUString> 		m_seqWarnings;
	Reference < XMultiServiceFactory > m_rFactory;

};



/*----------------------------------------
*
* 	Attributlist implementation
*
*----------------------------------------*/
struct AttributeListImpl_impl;
class AttributeListImpl : public WeakImplHelper1< XAttributeList >
{
public:
	AttributeListImpl();
	AttributeListImpl( const AttributeListImpl & );
	~AttributeListImpl();

public:
    virtual sal_Int16 SAL_CALL getLength(void) throw  (RuntimeException);
    virtual OUString SAL_CALL getNameByIndex(sal_Int16 i) throw  (RuntimeException);
    virtual OUString SAL_CALL getTypeByIndex(sal_Int16 i) throw  (RuntimeException);
    virtual OUString SAL_CALL getTypeByName(const OUString& aName) throw  (RuntimeException);
    virtual OUString SAL_CALL getValueByIndex(sal_Int16 i) throw  (RuntimeException);
    virtual OUString SAL_CALL getValueByName(const OUString& aName) throw  (RuntimeException);

public:
	void addAttribute( const OUString &sName ,
					   const OUString &sType ,
					   const OUString &sValue );
	void clear();

private:
	struct AttributeListImpl_impl *m_pImpl;
};


struct TagAttribute
{
	TagAttribute(){}
	TagAttribute( const OUString &sName,
				  const OUString &sType ,
				  const OUString &sValue )
	{
		this->sName 	= sName;
		this->sType 	= sType;
		this->sValue 	= sValue;
	}

	OUString sName;
	OUString sType;
	OUString sValue;
};

struct AttributeListImpl_impl
{
	AttributeListImpl_impl()
	{
		// performance improvement during adding
		vecAttribute.reserve(20);
	}
	vector<struct TagAttribute> vecAttribute;
};



sal_Int16 AttributeListImpl::getLength(void) throw  (RuntimeException)
{
	return m_pImpl->vecAttribute.size();
}


AttributeListImpl::AttributeListImpl( const AttributeListImpl &r )
{
	m_pImpl = new AttributeListImpl_impl;
	*m_pImpl = *(r.m_pImpl);
}

OUString AttributeListImpl::getNameByIndex(sal_Int16 i) throw  (RuntimeException)
{
	if( i < m_pImpl->vecAttribute.size() ) {
		return m_pImpl->vecAttribute[i].sName;
	}
	return OUString();
}


OUString AttributeListImpl::getTypeByIndex(sal_Int16 i) throw  (RuntimeException)
{
	if( i < m_pImpl->vecAttribute.size() ) {
		return m_pImpl->vecAttribute[i].sType;
	}
	return OUString();
}

OUString AttributeListImpl::getValueByIndex(sal_Int16 i) throw  (RuntimeException)
{
	if( i < m_pImpl->vecAttribute.size() ) {
		return m_pImpl->vecAttribute[i].sValue;
	}
	return OUString();

}

OUString AttributeListImpl::getTypeByName( const OUString& sName ) throw  (RuntimeException)
{
	vector<struct TagAttribute>::iterator ii = m_pImpl->vecAttribute.begin();

	for( ; ii != m_pImpl->vecAttribute.end() ; ii ++ ) {
		if( (*ii).sName == sName ) {
			return (*ii).sType;
		}
	}
	return OUString();
}

OUString AttributeListImpl::getValueByName(const OUString& sName) throw  (RuntimeException)
{
	vector<struct TagAttribute>::iterator ii = m_pImpl->vecAttribute.begin();

	for( ; ii != m_pImpl->vecAttribute.end() ; ii ++ ) {
		if( (*ii).sName == sName ) {
			return (*ii).sValue;
		}
	}
	return OUString();
}



AttributeListImpl::AttributeListImpl()
{
	m_pImpl = new AttributeListImpl_impl;
}



AttributeListImpl::~AttributeListImpl()
{
	delete m_pImpl;
}


void AttributeListImpl::addAttribute( 	const OUString &sName ,
										const OUString &sType ,
										const OUString &sValue )
{
	m_pImpl->vecAttribute.push_back( TagAttribute( sName , sType , sValue ) );
}

void AttributeListImpl::clear()
{
	m_pImpl->vecAttribute.clear();

}











/**
* for external binding
*
*
**/
Reference < XInterface > SAL_CALL OSaxWriterTest_CreateInstance( const Reference < XMultiServiceFactory > & rSMgr ) throw (Exception)
{
	OSaxWriterTest *p = new OSaxWriterTest( rSMgr );
	Reference < XInterface > xService = *p;
	return xService;
}

OUString     OSaxWriterTest_getServiceName( ) throw  ()
{
	return OUString( RTL_CONSTASCII_USTRINGPARAM("test.com.sun.star.xml.sax.Writer"));
}

OUString 	OSaxWriterTest_getImplementationName( ) throw  ()
{
	return OUString( RTL_CONSTASCII_USTRINGPARAM("test.extensions.xml.sax.Writer"));
}

Sequence<OUString> OSaxWriterTest_getSupportedServiceNames( ) throw  ()
{
	Sequence<OUString> aRet(1);

	aRet.getArray()[0] = OSaxWriterTest_getImplementationName( );

	return aRet;
}



void OSaxWriterTest::testInvariant( const OUString& TestName,
									const Reference < XInterface >& TestObject )
	throw  (	IllegalArgumentException, RuntimeException)
{
	if( OUString::createFromAscii("com.sun.star.xml.sax.Writer") == TestName ) {
		Reference< XDocumentHandler > doc( TestObject , UNO_QUERY );
		Reference< XExtendedDocumentHandler > ext( TestObject , UNO_QUERY );
		Reference< XActiveDataSource > source( TestObject , UNO_QUERY );

		ERROR_ASSERT( doc.is() , "XDocumentHandler cannot be queried" );
		ERROR_ASSERT( ext.is() , "XExtendedDocumentHandler cannot be queried" );
		ERROR_ASSERT( source.is() , "XActiveDataSource cannot be queried" );
	}
	else {
		BUILD_ERROR( 0 , "wrong test" );
	}
}


sal_Int32 OSaxWriterTest::test(
	const OUString& TestName,
	const Reference < XInterface >& TestObject,
	sal_Int32 hTestHandle)
	throw  (	IllegalArgumentException,RuntimeException)
{
	if( OUString( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.xml.sax.Writer")) == TestName )
	{
		try
		{
			if( 0 == hTestHandle )
			{
				testInvariant( TestName , TestObject );
			}
			else
			{
				Reference< XExtendedDocumentHandler > writer( TestObject , UNO_QUERY );

				if( 1 == hTestHandle ) {
					testSimple( writer );
				}
				else if( 2 == hTestHandle ) {
					testExceptions( writer );
				}
				else if( 3 == hTestHandle ) {
					testDTD( writer );
				}
				else if( 4 == hTestHandle ) {
					testPerformance( writer );
				}
			}
		}
		catch( Exception & e )  {
			OString o = OUStringToOString( e.Message , RTL_TEXTENCODING_ASCII_US );
			BUILD_ERROR( 0 , o.getStr() );
		}
		catch( ... )
		{
			BUILD_ERROR( 0 , "unknown exception (Exception is  not base class)" );
		}

		hTestHandle ++;

		if( hTestHandle >= 5) {
			// all tests finished.
			hTestHandle = -1;
		}
	}
	else {
		BUILD_ERROR( 0 , "service not supported by test." );
	}
	return hTestHandle;
}



sal_Bool OSaxWriterTest::testPassed(void)					throw  (RuntimeException)
{
	return m_seqErrors.getLength() == 0;
}


Sequence< OUString > OSaxWriterTest::getErrors(void) throw  (RuntimeException)
{
	return m_seqErrors;
}


Sequence< Any > OSaxWriterTest::getErrorExceptions(void) 					throw  (RuntimeException)
{
	return m_seqExceptions;
}


Sequence< OUString > OSaxWriterTest::getWarnings(void) 						throw  (RuntimeException)
{
	return m_seqWarnings;
}

void OSaxWriterTest::writeParagraph(
	const Reference< XExtendedDocumentHandler > &r ,
	const OUString & s)
{
	int nMax = s.getLength();
	int nStart = 0;

	Sequence<sal_uInt16> seq( s.getLength() );
	memcpy( seq.getArray() , s.getStr() , s.getLength() * sizeof( sal_uInt16 ) );

	for( int n = 1 ; n < nMax ; n++ ){
		if( 32 == seq.getArray()[n] ) {
			r->allowLineBreak();
			r->characters( s.copy( nStart , n - nStart ) );
			nStart = n;
		}
	}
	r->allowLineBreak();
	r->characters( s.copy( nStart , n - nStart ) );
}



void OSaxWriterTest::testSimple( const Reference< XExtendedDocumentHandler > &r )
{
	OUString testParagraph = OUString( RTL_CONSTASCII_USTRINGPARAM(
		"Dies ist ein bloeder Test um zu uberpruefen, ob der SAXWriter "
		"wohl Zeilenumbrueche halbwegs richtig macht oder ob er die Zeile "
		"bis zum bitteren Ende schreibt." ));

	OFileWriter *pw = new OFileWriter("output.xml");
	AttributeListImpl *pList = new AttributeListImpl;

	Reference< XAttributeList > rList( (XAttributeList *) pList , UNO_QUERY );
	Reference< XOutputStream > ref( ( XOutputStream * ) pw , UNO_QUERY );

	Reference< XActiveDataSource > source( r , UNO_QUERY );

	ERROR_ASSERT( ref.is() , "no output stream" );
	ERROR_ASSERT( source.is() , "no active data source" );

	source->setOutputStream( ref );

	r->startDocument();

	pList->addAttribute( OUString( RTL_CONSTASCII_USTRINGPARAM("Arg1" )),
						 OUString( RTL_CONSTASCII_USTRINGPARAM("CDATA")) ,
						 OUString( RTL_CONSTASCII_USTRINGPARAM("bla\n	u")) );
	pList->addAttribute( OUString( RTL_CONSTASCII_USTRINGPARAM("Arg2")) ,
						 OUString( RTL_CONSTASCII_USTRINGPARAM("CDATA")) ,
						 OUString( RTL_CONSTASCII_USTRINGPARAM("blub")) );

	r->startElement( OUString( RTL_CONSTASCII_USTRINGPARAM("tag1"))  , rList );
	r->ignorableWhitespace( OUString() );

	r->characters( OUString( RTL_CONSTASCII_USTRINGPARAM("huhu")) );
	r->ignorableWhitespace( OUString() );

	r->startElement( OUString( RTL_CONSTASCII_USTRINGPARAM("hi")) , rList );
	r->ignorableWhitespace( OUString() );

	// the enpassant must be converted & -> &amp;
	r->characters( OUString( RTL_CONSTASCII_USTRINGPARAM("&#252;")) );

	// Test added for mib. Tests if errors during conversions occurs
	r->ignorableWhitespace( OUString() );
	sal_Char array[256];
	for( sal_Int32 n = 32 ; n < 254 ; n ++ ) {
		array[n-32] = n;
	}
	array[254-32] = 0;
	r->characters(
		OStringToOUString( array , RTL_TEXTENCODING_SYMBOL )
		);
	r->ignorableWhitespace( OUString() );

	// '>' must not be converted
	r->startCDATA();
	r->characters( OUString( RTL_CONSTASCII_USTRINGPARAM(">fsfsdf<"))  );
	r->endCDATA();
	r->ignorableWhitespace( OUString() );

	writeParagraph( r , testParagraph );


	r->ignorableWhitespace( OUString() );
	r->comment( OUString( RTL_CONSTASCII_USTRINGPARAM("Dies ist ein Kommentar !")) );
	r->ignorableWhitespace( OUString() );

	r->startElement( OUString( RTL_CONSTASCII_USTRINGPARAM("emptytagtest"))  , rList );
	r->endElement( OUString( RTL_CONSTASCII_USTRINGPARAM("emptytagtest")) );

	r->endElement( OUString( RTL_CONSTASCII_USTRINGPARAM("hi")) );
	r->ignorableWhitespace( OUString() );

	r->endElement( OUString( RTL_CONSTASCII_USTRINGPARAM("tag1")) );
	r->endDocument();

}

void OSaxWriterTest::testExceptions( const Reference< XExtendedDocumentHandler > & r )
{

	OFileWriter *pw = new OFileWriter("output2.xml");
	AttributeListImpl *pList = new AttributeListImpl;

	Reference< XAttributeList > rList( (XAttributeList *) pList , UNO_QUERY );
	Reference< XOutputStream > ref( ( XOutputStream * ) pw , UNO_QUERY );

	Reference< XActiveDataSource > source( r , UNO_QUERY );

	ERROR_ASSERT( ref.is() , "no output stream" );
	ERROR_ASSERT( source.is() , "no active data source" );

	source->setOutputStream( ref );

	{ // startDocument must be called before start element
		sal_Bool bException = sal_True;
		try
		{
			r->startElement( OUString( RTL_CONSTASCII_USTRINGPARAM("huhu")) , rList );
			bException = sal_False;
		}
		catch( SAXException &e )
		{

		}
		ERROR_ASSERT( bException , "expected exception not thrown !" );
	}

	r->startDocument();

	r->startElement( OUString( RTL_CONSTASCII_USTRINGPARAM("huhu")) , rList );
	r->startCDATA();

	{
		sal_Bool bException = sal_True;
		try{
			r->startElement( OUString( RTL_CONSTASCII_USTRINGPARAM("huhu")) , rList );
			bException = sal_False;
		}
		catch( SAXException &e ) {

		}
		ERROR_ASSERT( bException , "expected exception not thrown !" );
	}

	r->endCDATA();

	{
		sal_Unicode array[] = { 'a' , 'b' , 4 , 9 , 10 };
		OUString o( array , 5 );
		try
		{
			r->characters( o );
			ERROR_ASSERT( 0 , "Writer allowed to write forbidden characters" );
		}
		catch( SAXException & e )
		{

		}
	}
	r->endElement( OUString( RTL_CONSTASCII_USTRINGPARAM("huhu")) );

	r->endDocument();
}


void OSaxWriterTest::testDTD(const  Reference< XExtendedDocumentHandler > &r )
{
	OFileWriter *pw = new OFileWriter("outputDTD.xml");
	AttributeListImpl *pList = new AttributeListImpl;

	Reference< XAttributeList > rList( (XAttributeList *) pList , UNO_QUERY );
	Reference< XOutputStream > ref( ( XOutputStream * ) pw , UNO_QUERY );

	Reference< XActiveDataSource > source( r , UNO_QUERY );

	ERROR_ASSERT( ref.is() , "no output stream" );
	ERROR_ASSERT( source.is() , "no active data source" );

	source->setOutputStream( ref );


	r->startDocument();
	r->unknown( OUString( RTL_CONSTASCII_USTRINGPARAM("<!DOCTYPE iCalendar >\n")) );
	r->startElement( OUString( RTL_CONSTASCII_USTRINGPARAM("huhu")) , rList );

	r->endElement( OUString( RTL_CONSTASCII_USTRINGPARAM("huhu")) );
	r->endDocument();
}

void OSaxWriterTest::testPerformance(const  Reference< XExtendedDocumentHandler > &r )
{
	OFileWriter *pw = new OFileWriter("testPerformance.xml");
	AttributeListImpl *pList = new AttributeListImpl;

	OUString testParagraph =
		OUString( RTL_CONSTASCII_USTRINGPARAM(
			"Dies ist ein bloeder Test um zu uberpruefen, ob der SAXWriter "
			"wohl Zeilenumbrueche halbwegs richtig macht oder ob er die Zeile "
			"bis zum bitteren Ende schreibt." ));


	Reference< XAttributeList > rList( (XAttributeList *) pList , UNO_QUERY );
	Reference< XOutputStream > ref( ( XOutputStream * ) pw , UNO_QUERY );

	Reference< XActiveDataSource > source( r , UNO_QUERY );

	ERROR_ASSERT( ref.is() , "no output stream" );
	ERROR_ASSERT( source.is() , "no active data source" );

	source->setOutputStream( ref );

	TimeValue aStartTime, aEndTime;
	osl_getSystemTime( &aStartTime );


	r->startDocument();
	// just write a bunch of xml tags !
	// for performance testing
	sal_Int32 i2;
	OUString huhu( RTL_CONSTASCII_USTRINGPARAM("huhu") );
	OUString emptyString;
	const int ITERATIONS = 125;
	for( i2 = 0 ; i2 < ITERATIONS ; i2 ++ )
	{
		r->startElement( OUString( RTL_CONSTASCII_USTRINGPARAM("tag") ) +
						 OUString::valueOf( i2 ), rList );
		for( sal_Int32 i = 0 ; i < 450 ; i ++ )
		{
			r->ignorableWhitespace( emptyString );
			r->startElement( huhu , rList );
			r->characters( testParagraph );

			r->ignorableWhitespace( emptyString );
			r->endElement( huhu );
		}
	}
	for( i2 = ITERATIONS-1 ; i2 >= 0  ; i2-- )
	{
		r->ignorableWhitespace( emptyString );
		r->endElement( OUString( RTL_CONSTASCII_USTRINGPARAM("tag") ) + OUString::valueOf( i2 ) );
	}

	r->endDocument();

	osl_getSystemTime( &aEndTime );

	double fStart = (double)aStartTime.Seconds + ((double)aStartTime.Nanosec / 1000000000.0);
	double fEnd = (double)aEndTime.Seconds + ((double)aEndTime.Nanosec / 1000000000.0);

	printf( "Performance writing : %g s\n" , fEnd - fStart );
}
}