C++ DebugAssert函數代碼示例

MBChar * String::FromDoubleMB( MBChar * outStr, Double fValue, UInt iMinDigits, UInt iMaxDigits ) const
{
    // Clamp digits range
    DebugAssert( iMinDigits < iMaxDigits );
    if ( iMinDigits < 1 )  iMinDigits = 1;
	if ( iMaxDigits > 16 ) iMaxDigits = 16;
	UInt iRemaining = ( iMaxDigits - iMinDigits );

    // Zero case
    if ( fValue == 0.0 || fValue == -0.0 ) {
        *outStr++ = MBTEXT('0');
        *outStr++ = MBTEXT('.');
        *outStr++ = MBTEXT('0');
        while( iMinDigits > 2 ) {
            *outStr++ = MBTEXT('0');
            --iMinDigits;
        }
        *outStr = MBNULLBYTE;
        return outStr;
    }

    // Print sign
    if ( fValue < 0.0 ) {
        fValue = -fValue;
        *outStr++ = MBTEXT('-');
    }

    // Extract exponent
    Int iExponent = 0;
    while( fValue >= 1.0 ) {
        fValue *= 0.1;
        ++iExponent;
    }
    while( fValue < 0.1 ) {
        fValue *= 10.0;
        --iExponent;
    }
    while( iMinDigits > 0 ) {
        fValue *= 10.0;
        --iExponent;
        --iMinDigits;
    }

    // Print integer part
    Int64 iIntPart = (Int64)fValue;
    outStr = FromIntMB( outStr, iIntPart );

    // Print dot
    *outStr++ = MBTEXT('.');

    // Print fraction part
    Double fFractPart = ( fValue - (Double)iIntPart );
    while( iRemaining > 0 ) {
        fFractPart *= 10.0;
        --iRemaining;
    }
    outStr = FromIntMB( outStr, (Int64)fFractPart );

    // Remove trailing 0s
    --outStr;
    while( *outStr == MBTEXT('0') )
        --outStr;
    if ( *outStr == MBTEXT('.') ) {
        ++outStr;
        *outStr++ = MBTEXT('0');
    } else
        ++outStr;

    // Print exponent
    if ( iExponent != 0 ) {
        *outStr++ = MBTEXT('e');
        outStr = FromIntMB( outStr, iExponent );
    }

    *outStr = MBNULLBYTE;
    return outStr;
}

//---------------------------------------------------------------------------
void __fastcall TKeyGenerator::StartGenerationThread()
{
  DebugAssert(FState == kgInitialized);
  FState = kgGenerating;
  new TKeyGenerationThread(this);
}

//---------------------------------------------------------------------------
void __fastcall TCustomWinConfiguration::SaveData(
  THierarchicalStorage * Storage, bool All)
{
  TGUIConfiguration::SaveData(Storage, All);

  // duplicated from core\configuration.cpp
  #define KEY(TYPE, VAR) Storage->Write ## TYPE(LASTELEM(UnicodeString(TEXT(#VAR))), VAR)
  REGCONFIG(true);
  #undef KEY

  if (FHistory->Count > 0)
  {
    if (Storage->OpenSubKey(L"History", true))
    {
      try
      {
        THistoryStrings * HistoryStrings;
        for (int Index = 0; Index < FHistory->Count; Index++)
        {
          HistoryStrings = dynamic_cast<THistoryStrings *>(FHistory->Objects[Index]);
          DebugAssert(HistoryStrings != NULL);
          if (All || HistoryStrings->Modified)
          {
            if (Storage->OpenSubKey(FHistory->Strings[Index], true))
            {
              try
              {
                Storage->WriteValues(HistoryStrings);
              }
              __finally
              {
                Storage->CloseSubKey();
              }
            }
          }
        }
      }
      __finally
      {
        Storage->CloseSubKey();
      }
    }

    if (Storage->OpenSubKey(L"HistoryParams", true))
    {
      try
      {
        THistoryStrings * HistoryStrings;
        for (int Index = 0; Index < FHistory->Count; Index++)
        {
          HistoryStrings = dynamic_cast<THistoryStrings *>(FHistory->Objects[Index]);
          DebugAssert(HistoryStrings != NULL);
          if (All || HistoryStrings->Modified)
          {
            bool HasData = false;
            for (int VIndex = 0; !HasData && (VIndex < HistoryStrings->Count); VIndex++)
            {
              HasData = (HistoryStrings->Objects[VIndex] != NULL);
            }

            if (!HasData)
            {
              Storage->RecursiveDeleteSubKey(FHistory->Strings[Index]);
            }
            else if (Storage->OpenSubKey(FHistory->Strings[Index], true))
            {
              try
              {
                Storage->ClearValues();
                for (int VIndex = 0; VIndex < HistoryStrings->Count; VIndex++)
                {
                  void * Data = HistoryStrings->Objects[VIndex];
                  Storage->WriteBinaryData(IntToStr(VIndex), &Data, sizeof(Data));
                }
              }
              __finally
              {
                Storage->CloseSubKey();
              }
            }
          }
        }
      }
      __finally
      {
        Storage->CloseSubKey();
      }
    }
  }

int WINAPI ConfigureW(int item)
{
  DebugAssert(FarPlugin);
  TFarPluginGuard Guard;
  return static_cast<int>(FarPlugin->Configure(static_cast<intptr_t>(item)));
}

//---------------------------------------------------------------------------
void KeyGenerationProgressUpdate(void * Thread,
  int Action, int Phase, int IProgress)
{
  DebugAssert(Thread);
  ((TKeyGenerationThread*)Thread)->ProgressUpdate(Action, Phase, IProgress);
}

int WINAPI GetMinFarVersionW()
{
  DebugAssert(FarPlugin);
  TFarPluginGuard Guard;
  return static_cast<int>(FarPlugin->GetMinFarVersion());
}

void WINAPI ExitFARW()
{
  DebugAssert(FarPlugin);
  TFarPluginGuard Guard;
  FarPlugin->ExitFAR();
}

HTTPConnection::~HTTPConnection()
{
	DebugAssert(mReqs.empty());
	delete mSocket;
}

WED_PackageMgr::~WED_PackageMgr()
{
	DebugAssert(gPackageMgr==this);
	gPackageMgr=NULL;
}

int	pick_major_axis(
				vector<pair<Pmwx::Halfedge_handle, Pmwx::Halfedge_handle> >&	sides,				// Per side: inclusive range of half-edges "consolidated" into the sides.
				Polygon2&														bounds,			// Inset boundary in metric, first side matched to the list.
				Vector2&														v_x,
				Vector2&														v_y)
{
	// special case: if we find a block with exactly ONE right angle, the longer of the two
	// sides going into the right angle is hte major axis, full stop, we're done.
	int right_angle = -1;
	for(int i = 0; i < sides.size(); ++i)
	{
		int j = (i + 1) % sides.size();
		int k = (i + 2) % sides.size();
		Vector2	vx(Vector2(bounds[i],bounds[j]));
		Vector2	vy(Vector2(bounds[j],bounds[k]));
		vx.normalize();
		vy.normalize();
		double dot = fabs(vx.dot(vy));
		if(dot < 0.087155742747658)
		{
			if(right_angle == -1)
				right_angle = j;
			else
				right_angle = -2;		// "more than one right angle" flag - causes us to NOT try this algo.
		}
	}
	if(right_angle >= 0)
	{
		int prev = (right_angle + sides.size() - 1) % sides.size();
		int next = (right_angle +				 1) % sides.size();
		Vector2	vp(Vector2(bounds[prev],bounds[right_angle]));
		Vector2	vn(Vector2(bounds[right_angle],bounds[next]));
		double pl = vp.normalize();
		double nl = vn.normalize();
		if(pl > nl)
			v_x = vp;	
		else
			v_x = vn;
		v_y = v_x.perpendicular_ccw();
		
		return right_angle;
	}

	// THIS is the algo we shipped with - it tries to minimize the short side axis of the block.  This works
	// okay but tends to make the diagonal of diagonal cuts (like Broadway) the main axis since (by the pythag
	// theorem) that slightly reduces the block depth.

#if 0
	int shortest = -1;
	double	thinnest_so_far = 0.0;
	for(int i = 0; i < sides.size(); ++i)
	{
		Vector2 vx = Vector2(bounds.side(i).p1,bounds.side(i).p2);
		vx.normalize();
		Vector2 vy = vx.perpendicular_ccw();
		double bbox[4];
		bbox[0] = bbox[2] = vx.dot(Vector2(bounds[0]));
		bbox[1] = bbox[3] = vy.dot(Vector2(bounds[0]));
		for(int j = 0; j < sides.size(); ++j)
		{
			double x = vx.dot(Vector2(bounds[j]));
			double y = vy.dot(Vector2(bounds[j]));
			bbox[0] = dobmin2(bbox[0], x);
			bbox[1] = dobmin2(bbox[1], y);
			bbox[2] = dobmax2(bbox[2], x);
			bbox[3] = dobmax2(bbox[3], y);
		}
		double xdist = fabs(bbox[2]-bbox[0]);
		double ydist = fabs(bbox[3]-bbox[1]);
		double my_dist = dobmin2(xdist,ydist);
		if(shortest == -1 || my_dist < thinnest_so_far)
		{
			shortest = i;
			thinnest_so_far = my_dist;
			if(xdist < ydist)
			{
				v_x = vx.perpendicular_ccw();
				v_y = vy.perpendicular_ccw();
			}
			else
			{
				v_x = vx;
				v_y = vy;
			}
		}
	}
	
	DebugAssert(shortest >= 0);
	return shortest;
#endif

#if 1

//	#error This algo works 95% of the time, but 5% of the time it picks a slashed short end as the
//	#error long axis, which gives a long thin block a wrong axis alignment and a huge AABB.  Bad!


	// The basic idea: we want to pick the grid axis MOST aligned with the block such that
	// the major axis supports roads.  

//.........這裏部分代碼省略.........

bool	build_convex_polygon(
				Pmwx::Ccb_halfedge_circulator									ccb,
				vector<pair<Pmwx::Halfedge_handle, Pmwx::Halfedge_handle> >&	sides,
				const CoordTranslator2&											trans,
				Polygon2&														metric_bounds,
				double															max_err_mtrs,
				double															min_side_len)
{
	double	e_sq = max_err_mtrs*max_err_mtrs;
	sides.clear();
	metric_bounds.clear();
	
	Pmwx::Ccb_halfedge_circulator circ(ccb);
//	Bbox2				bounds;
//	
//	do {
//		bounds += cgal2ben(circ->source()->point());
//	} while (++circ != ccb);

	Pmwx::Ccb_halfedge_circulator start,next;
	start = ccb;
	do {
		--start;
		if(!sides_can_merge(start,ccb))
			break;
		if(!within_err_metric(start,ccb,trans,e_sq))
			break;		
	} while(start != ccb);
	++start;
	
	// now we can go around.

	circ = start;
	//int ne = count_circulator(start);
	//printf("Poly has %d sides.\n", ne);
	do {
	 
		Pmwx::Ccb_halfedge_circulator stop(circ);
		do {
			++stop;
		} while(sides_can_merge(circ,stop) && within_err_metric(circ,stop,trans,e_sq) && stop != start);
	
		--stop;
		//printf("Pushing side of %d, %d\n", circulator_distance_to(start, circ),circulator_distance_to(start,stop));
		sides.push_back(pair<Pmwx::Halfedge_handle,Pmwx::Halfedge_handle>(circ, stop));
		++stop;
		circ = stop;
	
	} while(circ != start);
	
	if(sides.size() < 3)	
	{
		//debug_mesh_point(bounds.centroid(),1,1,1);
		return false;
	}
	
	int i, j, k;
	
	vector<Segment2>	msides;
	for(i = 0; i < sides.size(); ++i)
	{
		j = (i + 1) % sides.size();		
		DebugAssert(sides[i].second->target() == sides[j].first->source());
		msides.push_back(Segment2(
						trans.Forward(cgal2ben(sides[i].first->source()->point())),
						trans.Forward(cgal2ben(sides[i].second->target()->point()))));						
	}	
	vector<Segment2>	debug(msides);
	for(i = 0; i < sides.size(); ++i)
	{
		j = (i + 1) % sides.size();		
		Vector2	v1(msides[i].p1,msides[i].p2);
		Vector2	v2(msides[j].p1,msides[j].p2);
		v1.normalize();
		v2.normalize();
		if(v1.dot(v2) > 0.9998 ||
			!v1.left_turn(v2))
		{
			//debug_mesh_point(trans.Reverse(msides[i].p2),1,0,0);
			return false;
		}
		double w = width_for_he(sides[i].first);
		if(w)
		{
			v1 = v1.perpendicular_ccw();
			v1 *= w;
			msides[i].p1 += v1;
			msides[i].p2 += v1;
		}
	}
	for(j = 0; j < sides.size(); ++j)
	{
		i = (j + sides.size() - 1) % sides.size();
		Line2 li(msides[i]), lj(msides[j]);
		Point2	p;
		if(!li.intersect(lj,p))
		{
			Assert(!"Failure to intersect.\n");
			return false;
		}
//.........這裏部分代碼省略.........

	bool is_locked(Block_2::Vertex_handle v) const
	{
		DebugAssert(v->degree() == 2);
		Block_2::Halfedge_handle he = v->incident_halfedges();
		return he->face()->is_unbounded() || he->twin()->face()->is_unbounded();
	}

// We build a block from scratch with a bunch of polygons.  Note that where polygons overlap, the earliest one in the block will "win" - that is, unneeded halfedges
// WILL exist, but the "tags" will match the lower prio blokc data.
void	create_block(
					Block_2&									block,
					const vector<BLOCK_face_data>&				in_data,
					const vector<Block_2::X_monotone_curve_2>&	in_bounds,
					int											unbounded_idx)
{
	block.clear();
	
	#if DEV
		for(int n = 0; n < in_data.size(); ++n)
			if(in_data[n].usage == usage_Polygonal_Feature)
				DebugAssert(in_data[n].feature != 0);
	#endif
	
	// First we are going to build up a curve list and bulk insert them all.  Each curve has the polygon number as its data.
	// This should be faster than doing a series of piece-wise inserts.

#if 0
	vector<Block_2::X_monotone_curve_2>	keep;
	set<pair<Point_2,Point_2> >	we_have;
	for(int n = 0; n < in_bounds.size(); ++n)
	{
		pair<Point_2,Point_2>	s(in_bounds[n].source(),in_bounds[n].target());
		if(s.first < s.second) swap(s.first,s.second);
		if(we_have.count(s) == 0)
		{
			keep.push_back(in_bounds[n]);
			we_have.insert(s);
		}
	}

	CGAL::insert(block, keep.begin(), keep.end());
#endif	

	CGAL::insert(block, in_bounds.begin(), in_bounds.end());

#if 0
	FastCDT	cdt;
	FastCDT::Face_handle hint;
	vector<pair<FastCDT::Vertex_handle, FastCDT::Vertex_handle> >	vv;
	
	set<pair<FastCDT::Vertex_handle, FastCDT::Vertex_handle> > we_have;
	
	for(int n = 0; n < in_bounds.size(); ++n)
	{
		pair<FastCDT::Vertex_handle,FastCDT::Vertex_handle>	r;
		r.first = cdt.insert(C(in_bounds[n].source()),hint);
		hint = r.first->face();
		r.second = cdt.insert(C(in_bounds[n].target()),hint);
		hint = r.second->face();
		if(r.first < r.second)	swap(r.first,r.second);
		if(we_have.count(r) == 0)
		{
			we_have.insert(r);
			vv.push_back(r);
		}	
	}
	for(int n = 0; n < vv.size(); ++n)
	{
		DebugAssert(vv[n].first != vv[n].second);
		cdt.insert_constraint(vv[n].first,vv[n].second);
	}
#endif	

	// Now we go back and do a search from the outside in, toggling our "membership" each time we cross a bounding edge, to keep track of
	// which face we are in.

	for(Block_2::Face_iterator f = block.faces_begin(); f != block.faces_end(); ++f)
			f->set_visited(false);

	apply_properties_visitor	visitor;
	visitor.feature_map = &in_data;
	// What is this?  The FIRST contour is considered the contour that tags the unbounded polygon.  So we "start" with this polygon in effect.
	if(unbounded_idx != -1)
		visitor.initial.insert(unbounded_idx);
	
	visitor.Visit(&block);

	#if DEV
	for (Block_2::Face_iterator f = block.faces_begin(); f != block.faces_end(); ++f)
	if(f->data().usage == usage_Polygonal_Feature)
				DebugAssert(f->data().feature != 0);
	#endif

}

void	WED_DoSplit(IResolver * resolver)
{
	ISelection * sel = WED_GetSelect(resolver);
	IOperation * op = dynamic_cast<IOperation *>(sel);

	vector<WED_Thing *> who;
	hack_t	info;
	info.first = sel;
	info.second = &who;

	sel->IterateSelectionOr(collect_splits, &info);
	if (who.empty()) return;

	op->StartOperation("Split Segments.");

	for (vector<WED_Thing *>::iterator w = who.begin(); w != who.end(); ++w)
	{
		WED_Thing * parent = (*w)->GetParent();
		IGISPointSequence * seq = dynamic_cast<IGISPointSequence *>(parent);
		WED_Thing * new_w = (WED_Thing *) (*w)->Clone();

		IGISPoint * as_p = dynamic_cast<IGISPoint *>(new_w);
		IGISPoint_Bezier * as_bp = dynamic_cast<IGISPoint_Bezier *>(new_w);

		Segment2	seg;
		Bezier2		bez;

//		set<int> attrs;
//		node->GetAttributes(attrs);
///		new_node->SetAttributes(attrs);

		if (seq->GetSide(gis_Geo,(*w)->GetMyPosition(),seg,bez))
		{
			IGISPoint_Bezier * pre = dynamic_cast<IGISPoint_Bezier *>(*w);
			IGISPoint_Bezier * follow = dynamic_cast<IGISPoint_Bezier *>(parent->GetNthChild(((*w)->GetMyPosition()+1) % parent->CountChildren()));
			DebugAssert(as_bp);
			DebugAssert(pre);
			DebugAssert(follow);
			Bezier2	b1, b2;
			bez.partition(b1,b2);
			as_bp->SetLocation(gis_Geo,b2.p1);
			as_bp->SetSplit(false);
			as_bp->SetControlHandleHi(gis_Geo,b2.c1);
			pre->SetSplit(true);
			pre->SetControlHandleHi(gis_Geo,b1.c1);
			follow->SetSplit(true);
			follow->SetControlHandleLo(gis_Geo,b2.c2);
			if(as_bp->HasLayer(gis_UV))
			{
				seq->GetSide(gis_UV,(*w)->GetMyPosition(),seg,bez);
				bez.partition(b1,b2);
				as_bp->SetLocation(gis_UV,b2.p1);
				as_bp->SetControlHandleHi(gis_UV,b2.c1);
				as_bp->SetControlHandleLo(gis_UV,b1.c2);
				pre->SetControlHandleHi(gis_UV,b1.c1);
				follow->SetControlHandleLo(gis_UV,b2.c2);			
			}
		}
		else
		{
			DebugAssert(as_p);
			as_p->SetLocation(gis_Geo,seg.midpoint());
			if(as_p->HasLayer(gis_UV))
			{
				seq->GetSide(gis_UV,(*w)->GetMyPosition(),seg,bez);			
				as_p->SetLocation(gis_UV,seg.midpoint());
			}
		}
		new_w->SetParent(parent, (*w)->GetMyPosition() + 1);
		string name;
		new_w->GetName(name);
		name += ".1";
		new_w->SetName(name);

		sel->Insert(new_w);
	}

	op->CommitOperation();
}

void CopyToClipboard(UnicodeString AText)
{
  DebugAssert(FarPlugin != nullptr);
  FarPlugin->FarCopyToClipboard(AText);
}