AOO410/main/udm/source/xml/xmlitem.cxx

/**************************************************************
 * 
 * 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 <precomp.h>
#include <udm/xml/xmlitem.hxx>

// NOT FULLY DECLARED SERVICES
#include <cosv/file.hxx>


namespace csi
{
namespace xml
{

char cReplacable[256] =
	{
	  0,  0,  0,  0,  0,  	0,  0,  0,  0,  0,	// 0 - 49
	  0,  0,  0,  0,  0,  	0,  0,  0,  0,  0,
	  0,  0,  0,  0,  0,  	0,  0,  0,  0,  0,
	  0,  0,  0,  0,  1,  	0,  0,  0,  1,  0,    	// ", &
	  0,  0,  0,  0,  0,  	0,  0,  0,  0,  0,

	  0,  0,  0,  0,  0,  	0,  0,  0,  0,  0,	// 50 - 99
	  1,  0,  1,  0,  0,  	0,  0,  0,  0,  0,	  	// <, >
	  0,  0,  0,  0,  0,  	0,  0,  0,  0,  0,
	  0,  0,  0,  0,  0,  	0,  0,  0,  0,  0,
	  0,  0,  0,  0,  0,  	0,  0,  0,  0,  0,

	  0,  0,  0,  0,  0,  	0,  0,  0,  0,  0,  // 100 - 149
	  0,  0,  0,  0,  0,  	0,  0,  0,  0,  0,
	  0,  0,  0,  0,  0,  	0,  0,  0,  0,  0,
	  0,  0,  0,  0,  0,  	0,  0,  0,  0,  0,
	  0,  0,  0,  0,  0,  	0,  0,  0,  0,  0,

	  0,  0,  0,  0,  0,  	0,  0,  0,  0,  0,
	  0,  0,  0,  0,  0,  	0,  0,  0,  0,  0,
	  0,  0,  0,  0,  0,  	0,  0,  0,  0,  0,
	  0,  0,  0,  0,  0,  	0,  0,  0,  0,  0,
	  0,  0,  0,  0,  0,  	0,  0,  0,  0,  0,

	  0,  0,  0,  0,  0,  	0,  0,  0,  0,  0,
	  0,  0,  0,  0,  0,  	0,  0,  0,  0,  0,
	  0,  0,  0,  0,  0,  	0,  0,  0,  0,  0,
	  0,  0,  0,  0,  0,  	0,  0,  0,  0,  0,
	  0,  0,  0,  0,  0,  	0,  0,  0,  0,  0,

	  0,  0,  0,  0,  0,  	1					// &nbsp;
	};


class MultiItem : public Item
{
  public:
						MultiItem();
						~MultiItem();

	void				Add(
							DYN Item *			let_dpDatum )
													{ csv_assert( let_dpDatum != 0 );
													  aItems.push_back(let_dpDatum); }
	void				Erase()						{ aItems.erase_all(); }

  private:
	virtual void		do_WriteOut(
							csv::bostream &			io_aFile ) const;
	// DATA
	ItemList			aItems;
};


void					StreamOut(
							Dyn< Item >  &			o_rContent,
							DYN Item *				let_dpItem );
inline void
StreamOut( AttrList &				o_rAttrs,
		   DYN Attribute *			let_dpAttr )
{
	csv_assert( let_dpAttr != 0 );
	o_rAttrs.push_back( let_dpAttr );
}


inline void
Impl_SetContent( Dyn< Item >  &			o_rContent,
				 DYN Item *				let_dpItem )
{
	o_rContent = let_dpItem;
}


//*********************		Attribute		****************************//

const String   attrValueBegin("=\"");
const String   attrValueEnd("\"");

void
Attribute::WriteOut( csv::bostream & io_aFile ) const
{
	io_aFile.write( Name() );
    if ( Value().length() > 0 )
    {
	    io_aFile.write( attrValueBegin );
	    io_aFile.write( Value() );
	    io_aFile.write( attrValueEnd );
    }
}



//************************		Element		****************************//

const String    newline("\n");
const String    space(" ");
const String    beginTagBegin("<");
const String    endTagBegin("</");
const String    tagEnd(">");
const String    emptyTagEnd("/>");

void
Element::do_WriteOut( csv::bostream & io_aFile ) const
{
	io_aFile.write( beginTagBegin );
	io_aFile.write( inq_TagName() );

	const AttrList * pAttrs = inq_Attrs();
	if ( pAttrs != 0 )
	{
		for ( AttrList::iterator it = pAttrs->begin();
			  it != pAttrs->end();
			  ++it )
		{

			io_aFile.write( space );
			(*it)->WriteOut( io_aFile );
		}
	}

	const Item * pContent = inq_Content();
	if ( pContent != 0 )
		io_aFile.write( tagEnd );
	else
    {
     	if (FinishEmptyTag_XmlStyle())
    		io_aFile.write( emptyTagEnd );
        else
        {
    		io_aFile.write( tagEnd );
    		io_aFile.write( endTagBegin );
        	io_aFile.write( inq_TagName() );
    		io_aFile.write( tagEnd );
        }
    }
	if ( LineBreakAfterBeginTag() )
		io_aFile.write( newline );
	if ( pContent == 0 )
		return;

	pContent->WriteOut( io_aFile );
	io_aFile.write( endTagBegin );
	io_aFile.write( inq_TagName() );
	io_aFile.write( tagEnd );
	if ( LineBreakAfterEndTag() )
		io_aFile.write( newline );
}

bool
Element::FinishEmptyTag_XmlStyle() const
{
 	return true;
}

bool
Element::LineBreakAfterBeginTag() const
{
	return false;
}

bool
Element::LineBreakAfterEndTag() const
{
	return LineBreakAfterBeginTag();
}


//************************		EmptyElement		****************************//

void
EmptyElement::op_streamout( DYN Item *	)
{
	// Does nothing.
}

void
EmptyElement::op_streamout( DYN Attribute * let_dpAttr )
{
	StreamOut( inq_RefAttrs(), let_dpAttr );
}

void
EmptyElement::do_SetContent( DYN Item *	)
{
	// Does nothing.
}

const Item *
EmptyElement::inq_Content() const
{
	return 0;
}

const AttrList *
EmptyElement::inq_Attrs() const
{
    return & const_cast< EmptyElement* >(this)->inq_RefAttrs();
}


//************************		PureElement		****************************//

void
PureElement::op_streamout( DYN Item * let_dpItem )
{
	StreamOut( inq_RefContent(), let_dpItem );
}

void
PureElement::op_streamout( DYN Attribute * )
{
	// Does nothing.
}

void
PureElement::do_SetContent( DYN Item *	let_dpItem )
{
	Impl_SetContent( inq_RefContent(), let_dpItem );
}

const Item *
PureElement::inq_Content() const
{
    return const_cast< PureElement* >(this)->inq_RefContent().Ptr();
}

const AttrList *
PureElement::inq_Attrs() const
{
	return 0;
}


//***************************		SglTag		**************************//

void
SglTag::op_streamout( DYN Item * )
{
	// Does nothing.
}

void
SglTag::op_streamout( DYN Attribute * )
{
	// Does nothing.
}

void
SglTag::do_SetContent( DYN Item *)
{
	// Does nothing.
}

const Item *
SglTag::inq_Content() const
{
	return 0;
}

const AttrList *
SglTag::inq_Attrs() const
{
	return 0;
}


//***************************		AnElement		**************************//

AnElement::AnElement( const String &   i_sTagName )
	:	sTagName( i_sTagName )
		// pContent,
		// aAttrs
{
}

AnElement::AnElement( const char * i_sTagName )
	:	sTagName( i_sTagName )
		// pContent,
		// aAttrs
{
}

AnElement::~AnElement()
{
}

void
AnElement::op_streamout( DYN Item *	let_dpItem )
{
	StreamOut( pContent, let_dpItem );
}

void
AnElement::op_streamout( DYN Attribute * let_dpAttr )
{
	StreamOut( aAttrs, let_dpAttr );
}

void
AnElement::do_SetContent( DYN Item * let_dpItem )
{
	Impl_SetContent( pContent, let_dpItem );
}

const String &
AnElement::inq_TagName() const
{
	return sTagName;
}

const Item *
AnElement::inq_Content() const
{
	return pContent.Ptr();
}

const AttrList *
AnElement::inq_Attrs() const
{
	return &aAttrs;
}


//***************************     AnEmptyElement	**************************//

AnEmptyElement::AnEmptyElement( const String &   i_sTagName )
	:	sTagName( i_sTagName )
		// aAttrs
{
}

AnEmptyElement::AnEmptyElement( const char * i_sTagName )
	:	sTagName( i_sTagName )
		// aAttrs
{
}

AnEmptyElement::~AnEmptyElement()
{

}

const String &
AnEmptyElement::inq_TagName() const
{
	return sTagName;
}

AttrList &
AnEmptyElement::inq_RefAttrs()
{
	return aAttrs;
}


//***************************     APureElement	 	**************************//

APureElement::APureElement( const String &   i_sTagName )
	:	sTagName( i_sTagName )
		// pContent
{
}

APureElement::APureElement( const char * i_sTagName )
	:	sTagName( i_sTagName )
		// pContent
{
}

APureElement::~APureElement()
{
}

const String &
APureElement::inq_TagName() const
{
	return sTagName;
}

Dyn< Item > &
APureElement::inq_RefContent()
{
	return pContent;
}



//***************************     ASglTag	 		**************************//

ASglTag::ASglTag( const String &   i_sTagName )
	:	sTagName( i_sTagName )
{
}

ASglTag::ASglTag( const char *  i_sTagName )
	:	sTagName( i_sTagName )
{
}

ASglTag::~ASglTag()
{
}

const String &
ASglTag::inq_TagName() const
{
	return sTagName;
}


//***************************		AnAttribute		**************************//
AnAttribute::AnAttribute( const String &   i_sName,
						  const String &   i_sValue )
	:	sName(i_sName),
	    sValue(i_sValue)
{
}

AnAttribute::AnAttribute( const char * i_sName,
						  const char * i_sValue )
	:	sName(i_sName),
	    sValue(i_sValue)
{
}

AnAttribute::~AnAttribute()
{
}

const String &
AnAttribute::inq_Name() const
{
	return sName;
}

const String &
AnAttribute::inq_Value() const
{
	return sValue;
}



//***************************		Text		**************************//

Text::Text( const String &   i_sText )
	:	sText(i_sText)
{
}

Text::Text( const char * i_sText )
	:	sText(i_sText)
{
}

Text::~Text()
{
}

void
Text::do_WriteOut( csv::bostream & io_aFile ) const
{
	const unsigned char *
	    pStart = reinterpret_cast< const unsigned char* >(sText.c_str());
	const unsigned char *
	    pOut = pStart;

	for ( ; *pOut != '\0'; ++pOut )
	{
		if ( cReplacable[*pOut] )
		{
			if ( pOut != pStart )
			{
				io_aFile.write( pStart, pOut-pStart );
			}

			switch (*pOut)
			{
				case '<': 	io_aFile.write("&lt;");		break;
				case '>':   io_aFile.write("&gt;");		break;
				case '"':   io_aFile.write("&quot;");	break;
				case '&':   io_aFile.write("&amp;");	break;
				case 255:   io_aFile.write("&nbsp;");	break;
			}

			pStart = pOut+1;
		}	// endif (cReplacable[*pOut])
	}	// end for

	if ( pOut != pStart )
	{
		io_aFile.write( pStart, pOut-pStart );
	}
}


//***************************		XmlCode		**************************//

XmlCode::XmlCode( const String &   i_sText )
	:	sText(i_sText)
{
}

XmlCode::XmlCode( const char *     i_sText )
	:	sText(i_sText)
{
}

XmlCode::~XmlCode()
{
}

void
XmlCode::do_WriteOut( csv::bostream & io_aFile ) const
{
	io_aFile.write(sText);
}


//***************************		MultiItem		**************************//

MultiItem::MultiItem()
{
}

MultiItem::~MultiItem()
{
}

void
MultiItem::do_WriteOut( csv::bostream &	io_aFile ) const
{
	ItemList::iterator itEnd = aItems.end();

	for ( ItemList::iterator it = aItems.begin();
		  it != itEnd;
		  ++it )
	{
		(*it)->WriteOut( io_aFile );
	}

}



//***************************		Helpers		**************************//

void
StreamOut( Dyn< Item >  &			o_rContent,
		   DYN Item *				let_dpItem )
{
	MultiItem * pContent = 0;
	if ( bool(o_rContent) )
	{
		pContent = static_cast< MultiItem* >( o_rContent.MutablePtr() );
		csv_assert( dynamic_cast< MultiItem* >( o_rContent.MutablePtr() ) != 0 );
	}
	else
	{
		pContent = new MultiItem;
		o_rContent = pContent;
	}

	csv_assert( let_dpItem != 0 );
	pContent->Add( let_dpItem );
}




}   // namespace xml
}   // namespace csi