/**************************************************************
 * 
 * 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.
 * 
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_filter.hxx"

#include <string.h>
#include <dxfblkrd.hxx>


//----------------------------------------------------------------------------
//---------------- DXFBlock --------------------------------------------------
//----------------------------------------------------------------------------


DXFBlock::DXFBlock()
{
	pSucc=NULL;
}


DXFBlock::~DXFBlock()
{
}


void DXFBlock::Read(DXFGroupReader & rDGR)
{
	sName[0]=0;
	sAlsoName[0]=0;
	aBasePoint.fx=0.0;
	aBasePoint.fy=0.0;
	aBasePoint.fz=0.0;
	nFlags=0;
	sXRef[0]=0;

	while (rDGR.Read()!=0)
	{
		switch (rDGR.GetG())
		{
			case  2: strncpy( sName, rDGR.GetS(), DXF_MAX_STRING_LEN + 1 ); break;
			case  3: strncpy( sAlsoName, rDGR.GetS(), DXF_MAX_STRING_LEN + 1 ); break;
			case 70: nFlags=rDGR.GetI(); break;
			case 10: aBasePoint.fx=rDGR.GetF(); break;
			case 20: aBasePoint.fy=rDGR.GetF(); break;
			case 30: aBasePoint.fz=rDGR.GetF(); break;
			case  1: strncpy( sXRef, rDGR.GetS(), DXF_MAX_STRING_LEN + 1 ); break;
		}
	}
	DXFEntities::Read(rDGR);
}


//----------------------------------------------------------------------------
//---------------- DXFBlocks -------------------------------------------------
//----------------------------------------------------------------------------


DXFBlocks::DXFBlocks()
{
	pFirst=NULL;
}


DXFBlocks::~DXFBlocks()
{
	Clear();
}


void DXFBlocks::Read(DXFGroupReader & rDGR)
{
	DXFBlock * pB, * * ppSucc;

	ppSucc=&pFirst;
	while (*ppSucc!=NULL) ppSucc=&((*ppSucc)->pSucc);

	for (;;) {
		while (rDGR.GetG()!=0) rDGR.Read();
		if (strcmp(rDGR.GetS(),"ENDSEC")==0 ||
			strcmp(rDGR.GetS(),"EOF")==0) break;
		if (strcmp(rDGR.GetS(),"BLOCK")==0) {
			pB=new DXFBlock;
			pB->Read(rDGR);
			*ppSucc=pB;
			ppSucc=&(pB->pSucc);
		}
		else rDGR.Read();
	}
}


DXFBlock * DXFBlocks::Search(const char * sName) const
{
	DXFBlock * pB;
	for (pB=pFirst; pB!=NULL; pB=pB->pSucc) {
		if (strcmp(sName,pB->sName)==0) break;
	}
	return pB;
}


void DXFBlocks::Clear()
{
	DXFBlock * ptmp;

	while (pFirst!=NULL) {
		ptmp=pFirst;
		pFirst=ptmp->pSucc;
		delete ptmp;
	}
}