/*! Initialize FILE:FILE as root of the DXF hierarchy.
*/
DXFFile::DXFFile(void) :
Inherited (),
_entityTypes (),
_entityTypeHierarchy()
{
_entityClassName = "FILE";
_entityTypeName = "FILE";
_childBeginKeyword = "SECTION";
_childEndKeyword = "ENDSEC";
// We need to do the relevant parts of registerToParentEntityType("FILE");
// by hand here to avoid a infinite constructor call recursion. DXFFile
// has no parentEntityType and furthermore *DXFFile::_the will be
// instantiated *before* all other entityTypes, thus we only need to put it
// into the _entityTypes.
std::string entityUniqueName =
std::string() + getEntityClassName() + ":" + getEntityTypeName();
_entityTypes[entityUniqueName] = this;
}
/*! Handle special dispatch case for BLOCKS section.
*
* \dev This method is almost the same as DXFEntityBase::dispatch() besides
* that it dispatches a BLOCK directly without reading a name in a group with
* code 2. Thanks to the very very well designed DXF file format we need this
* distinction here :( \enddev
*/
void DXFBlocks::dispatch(void)
{
EntityTypeMap::iterator itr;
// There must be a keyword! // TODO: raus! DXFRecord::getValueType() < 0
// wird schon in DXFEntityBase::read() gecheckt!!!
if(DXFRecord::getValueStr().empty())
{
FWARNING(("DXF Loader: syntax error in line %d!\n",
DXFRecord::getLineNumber() + 1));
_state = DXFStateError;
FDEBUGx(("Line %d: %s:%s returns %s because of Record (%d|%s)\n",
DXFRecord::getLineNumber(),
getEntityClassName(),
getEntityTypeName(),
DXFResultNames[_state],
DXFRecord::getGroupCode(),
DXFRecord::getValueStr().c_str()
));
return;
}
// Keyword ENDSEC for SECTIONs, TABLEs, BLOCKS, ...
if(DXFRecord::getValueStr() == _parent->getChildEndKeyword())
{
FDEBUGx(("EndKeyword: %s\n", DXFRecord::getValueStr().c_str()));
DXFRecord::unget();
_state = DXFStateReturn;
FDEBUGx(("Line %d: %s:%s returns %s because of Record (%d|%s)\n",
DXFRecord::getLineNumber(),
getEntityClassName(),
getEntityTypeName(),
DXFResultNames[_state],
DXFRecord::getGroupCode(),
DXFRecord::getValueStr().c_str()
));
return;
}
if(DXFRecord::getValueStr() == _childBeginKeyword) // == "BLOCK" !
{
itr = _childEntityTypes.find(DXFRecord::getValueStr());
// unknown entity type?
if(itr == _childEntityTypes.end())
{
FWARNING(("DXF Loader (%s:%s): in line %d: "
"%s '%s' not yet implemented. Ignoring!\n",
getEntityClassName(),
getEntityTypeName(),
DXFRecord::getLineNumber(),
_childBeginKeyword.c_str(),
DXFRecord::getValueStr().c_str()));
_state = DXFStateIgnore;
FDEBUGx(("(%s:%d) line %d: %s:%s returns %s because of Record (%d|%s)\n",
__FILE__,
__LINE__,
DXFRecord::getLineNumber(),
getEntityClassName(),
getEntityTypeName(),
DXFResultNames[_state],
DXFRecord::getGroupCode(),
DXFRecord::getValueStr().c_str()
));
return;
}
// descent into the entity type hierarchy.
#if 1
DXFEntityBase *entityBasePtr = dynamic_cast<DXFEntityBase *>(itr->second);
entityBasePtr->read(this);
#else
// doesn't work since read is protected in DFXEntityBase
itr->second->DXFEntityBase::read(this);
#endif
FDEBUGx(("(%s, %d) line %d: %s:%s returns %s because of Record (%d|%s)\n",
__FILE__, __LINE__,
DXFRecord::getLineNumber(),
getEntityClassName(),
getEntityTypeName(),
DXFResultNames[_state],
DXFRecord::getGroupCode(),
DXFRecord::getValueStr().c_str()
));
return;
}
// Eat up the END* keyword, which has been put back by a child entity, or
// start reading again after the end of an unknown high level entity's
// child.
if(DXFRecord::getValueStr() == _childEndKeyword)
{
_state = DXFStateContinue;
FDEBUGx(("(%s, %d) line %d: %s:%s returns %s because of Record (%d|%s)\n",
__FILE__, __LINE__,
DXFRecord::getLineNumber(),
getEntityClassName(),
getEntityTypeName(),
DXFResultNames[_state],
DXFRecord::getGroupCode(),
DXFRecord::getValueStr().c_str()
));
return;
}
if(_state == DXFStateIgnore)
{
FDEBUGx(("(%s, %d) line %d: %s:%s returns %s because of Record (%d|%s)\n",
__FILE__, __LINE__,
DXFRecord::getLineNumber(),
getEntityClassName(),
getEntityTypeName(),
DXFResultNames[_state],
DXFRecord::getGroupCode(),
DXFRecord::getValueStr().c_str()
));
return;
}
// Something went wrong
_state = DXFStateError;
FWARNING(("DXF Loader: syntax error in line %d, reported by %s:%s, "
"current record is (%d|%s). "
"May have happened already before. Giving up! (return = %s)\n",
DXFRecord::getLineNumber(),
getEntityClassName(),
getEntityTypeName(),
DXFRecord::getGroupCode(),
DXFRecord::getValueStr().c_str(),
DXFResultNames[_state]
));
return;
} // DXFBlocks::dispatch()