C++ TMap::Clear方法代码示例

void WriteMergeObjects( TFile *target ) {
  cout << "Writing the merged data." << endl;

  TIterator *nextobj = MergeObjects.MakeIterator();
  TObjString *pathname_obj;
  while( (pathname_obj = (TObjString *)nextobj->Next()) ) {
    TString path,name;
    SplitPathName(pathname_obj->String(),&path,&name);

    TObject *obj = MergeObjects.GetValue(pathname_obj);
    target->cd(path);

    obj->Write( name );

    delete obj;
  }
  MergeObjects.Clear();

  target->Write();

  // Temporarily let multiple root files remain if > 2GB
  // Prevent Target_1.root Target_2.root, ... from happening.
  //  long long max_tree_size = 200000000000LL; // 200 GB
  //  if(TTree::GetMaxTreeSize() < max_tree_size ) {
  //    TTree::SetMaxTreeSize(max_tree_size);
  //  }

  nextobj = MergeChains.MakeIterator();
  TObjString *pathname_obj;
  while( (pathname_obj = (TObjString *)nextobj->Next()) ) {
    TString path,name;
    SplitPathName(pathname_obj->String(),&path,&name);

    TChain *ch = (TChain *)MergeChains.GetValue(pathname_obj);
    target->cd(path);
    ch->Merge(target,0,"KEEP");

    delete ch;

	// in case of multiple objects with same pathname, must remove
	// this one from the list so we don't get the same (deleted)
	// one next time we look up the same name
	MergeChains.Remove(pathname_obj);
  }
  MergeChains.Clear();

  InitializedMergeObjects = false;
}

void P_ReadDemoWeaponsChunk(BYTE **demo)
{
	int count, i;
	PClassWeapon *type;
	const char *s;

	count = ReadWord(demo);
	Weapons_ntoh.Resize(count);
	Weapons_hton.Clear(count);

	Weapons_ntoh[0] = type = NULL;
	Weapons_hton[type] = 0;

	for (i = 1; i < count; ++i)
	{
		s = ReadStringConst(demo);
		type = dyn_cast<PClassWeapon>(PClass::FindClass(s));
		// If a demo was recorded with a weapon that is no longer present,
		// should we report it?
		Weapons_ntoh[i] = type;
		if (type != NULL)
		{
			Weapons_hton[type] = i;
		}
	}
}

void P_SetupWeapons_ntohton()
{
	unsigned int i;
	PClassWeapon *cls;

	Weapons_ntoh.Clear();
	Weapons_hton.Clear();

	cls = NULL;
	Weapons_ntoh.Push(cls);		// Index 0 is always NULL.
	for (i = 0; i < PClassActor::AllActorClasses.Size(); ++i)
	{
		PClassActor *cls = PClassActor::AllActorClasses[i];

		if (cls->IsDescendantOf(RUNTIME_CLASS(AWeapon)))
		{
			Weapons_ntoh.Push(static_cast<PClassWeapon *>(cls));
		}
	}
	qsort(&Weapons_ntoh[1], Weapons_ntoh.Size() - 1, sizeof(Weapons_ntoh[0]), ntoh_cmp);
	for (i = 0; i < Weapons_ntoh.Size(); ++i)
	{
		Weapons_hton[Weapons_ntoh[i]] = i;
	}
}

void P_SetupWeapons_ntohton()
{
	unsigned int i;
	const PClass *cls;

	Weapons_ntoh.Clear();
	Weapons_hton.Clear();

	cls = NULL;
	Weapons_ntoh.Push(cls);		// Index 0 is always NULL.
	for (i = 0; i < PClass::m_Types.Size(); ++i)
	{
		PClass *cls = PClass::m_Types[i];

		if (cls->ActorInfo != NULL && cls->IsDescendantOf(RUNTIME_CLASS(AWeapon)))
		{
			Weapons_ntoh.Push(cls);
		}
	}
	qsort(&Weapons_ntoh[1], Weapons_ntoh.Size() - 1, sizeof(Weapons_ntoh[0]), ntoh_cmp);
	for (i = 0; i < Weapons_ntoh.Size(); ++i)
	{
		Weapons_hton[Weapons_ntoh[i]] = i;
	}
}

void R_ParseTrnslate()
{
	customTranslationMap.Clear();
	translationtables[TRANSLATION_Custom].Clear();

	int lump;
	int lastlump = 0;
	while (-1 != (lump = Wads.FindLump("TRNSLATE", &lastlump)))
	{
		FScanner sc(lump);
		while (sc.GetToken())
		{
			sc.TokenMustBe(TK_Identifier);

			FName newtrans = sc.String;
			FRemapTable *base = nullptr;
			if (sc.CheckToken(':'))
			{
				sc.MustGetAnyToken();
				if (sc.TokenType == TK_IntConst)
				{
					int max = 6;
					if (sc.Number < 0 || sc.Number > max)
					{
						sc.ScriptError("Translation must be in the range [0,%d]", max);
					}
					base = translationtables[TRANSLATION_Standard][sc.Number];
				}
				else if (sc.TokenType == TK_Identifier)
				{
					int tnum = R_FindCustomTranslation(sc.String);
					if (tnum == -1)
					{
						sc.ScriptError("Base translation '%s' not found in '%s'", sc.String, newtrans.GetChars());
					}
					base = translationtables[GetTranslationType(tnum)][GetTranslationIndex(tnum)];
				}
				else
				{
					// error out.
					sc.TokenMustBe(TK_Identifier);
				}
			}
			sc.MustGetToken('=');
			FRemapTable NewTranslation;
			if (base != nullptr)  NewTranslation = *base;
			else NewTranslation.MakeIdentity();
			do
			{
				sc.MustGetToken(TK_StringConst);
				NewTranslation.AddToTranslation(sc.String);
			} while (sc.CheckToken(','));

			int trans = NewTranslation.StoreTranslation(TRANSLATION_Custom);
			customTranslationMap[newtrans] = trans;
		}
	}
}

void LoadActors()
{
	cycle_t timer;

	timer.Reset(); timer.Clock();
	FScriptPosition::ResetErrorCounter();

	InitThingdef();
	FScriptPosition::StrictErrors = true;
	ParseScripts();

	FScriptPosition::StrictErrors = false;
	ParseAllDecorate();

	FunctionBuildList.Build();

	if (FScriptPosition::ErrorCounter > 0)
	{
		I_Error("%d errors while parsing DECORATE scripts", FScriptPosition::ErrorCounter);
	}
	FScriptPosition::ResetErrorCounter();

	for (int i = PClassActor::AllActorClasses.Size() - 1; i >= 0; i--)
	{
		auto ti = PClassActor::AllActorClasses[i];
		if (ti->Size == TentativeClass)
		{
			if (ti->ObjectFlags & OF_Transient)
			{
				Printf(TEXTCOLOR_ORANGE "Class %s referenced but not defined\n", ti->TypeName.GetChars());
				FScriptPosition::WarnCounter++;
				DObject::StaticPointerSubstitution(ti, nullptr);
				PClassActor::AllActorClasses.Delete(i);
			}
			else
			{
				Printf(TEXTCOLOR_RED "Class %s referenced but not defined\n", ti->TypeName.GetChars());
				FScriptPosition::ErrorCounter++;
			}
			continue;
		}

		if (GetDefaultByType(ti) == nullptr)
		{
			Printf(TEXTCOLOR_RED "No ActorInfo defined for class '%s'\n", ti->TypeName.GetChars());
			FScriptPosition::ErrorCounter++;
			continue;
		}


		CheckStates(ti);

		if (ti->bDecorateClass && ti->IsDescendantOf(RUNTIME_CLASS(AStateProvider)))
		{
			// either a DECORATE based weapon or CustomInventory. 
			// These are subject to relaxed rules for user variables in states.
			// Although there is a runtime check for bogus states, let's do a quick analysis if any of the known entry points
			// hits an unsafe state. If we can find something here it can be handled wuth a compile error rather than a runtime error.
			CheckForUnsafeStates(ti);
		}

	}
	if (FScriptPosition::ErrorCounter > 0)
	{
		I_Error("%d errors during actor postprocessing", FScriptPosition::ErrorCounter);
	}

	timer.Unclock();
	if (!batchrun) Printf("script parsing took %.2f ms\n", timer.TimeMS());

	// Since these are defined in DECORATE now the table has to be initialized here.
	for (int i = 0; i < 31; i++)
	{
		char fmt[20];
		mysnprintf(fmt, countof(fmt), "QuestItem%d", i + 1);
		QuestItemClasses[i] = PClass::FindActor(fmt);
	}
	StateSourceLines.Clear();
}

void ParseCompatibility()
{
	TArray<FMD5Holder> md5array;
	FMD5Holder md5;
	FCompatValues flags;
	int i, x;
	unsigned int j;

	BCompatMap.Clear();
	CompatParams.Clear();

	// The contents of this file are not cumulative, as it should not
	// be present in user-distributed maps.
	FScanner sc(Wads.GetNumForFullName("compatibility.txt"));

	while (sc.GetString())	// Get MD5 signature
	{
		do
		{
			if (strlen(sc.String) != 32)
			{
				sc.ScriptError("MD5 signature must be exactly 32 characters long");
			}
			for (i = 0; i < 32; ++i)
			{
				if (sc.String[i] >= '0' && sc.String[i] <= '9')
				{
					x = sc.String[i] - '0';
				}
				else
				{
					sc.String[i] |= 'a' ^ 'A';
					if (sc.String[i] >= 'a' && sc.String[i] <= 'f')
					{
						x = sc.String[i] - 'a' + 10;
					}
					else
					{
						x = 0;
						sc.ScriptError("MD5 signature must be a hexadecimal value");
					}
				}
				if (!(i & 1))
				{
					md5.Bytes[i / 2] = x << 4;
				}
				else
				{
					md5.Bytes[i / 2] |= x;
				}
			}
			md5array.Push(md5);
			sc.MustGetString();
		} while (!sc.Compare("{"));
		memset(flags.CompatFlags, 0, sizeof(flags.CompatFlags));
		flags.ExtCommandIndex = ~0u;
		while (sc.GetString())
		{
			if ((i = sc.MatchString(&Options[0].Name, sizeof(*Options))) >= 0)
			{
				flags.CompatFlags[Options[i].WhichSlot] |= Options[i].CompatFlags;
			}
			else if (sc.Compare("clearlineflags"))
			{
				if (flags.ExtCommandIndex == ~0u) flags.ExtCommandIndex = CompatParams.Size();
				CompatParams.Push(CP_CLEARFLAGS);
				sc.MustGetNumber();
				CompatParams.Push(sc.Number);
				sc.MustGetNumber();
				CompatParams.Push(sc.Number);
			}
			else if (sc.Compare("setlineflags"))
			{
				if (flags.ExtCommandIndex == ~0u) flags.ExtCommandIndex = CompatParams.Size();
				CompatParams.Push(CP_SETFLAGS);
				sc.MustGetNumber();
				CompatParams.Push(sc.Number);
				sc.MustGetNumber();
				CompatParams.Push(sc.Number);
			}
			else if (sc.Compare("setlinespecial"))
			{
				if (flags.ExtCommandIndex == ~0u) flags.ExtCommandIndex = CompatParams.Size();
				CompatParams.Push(CP_SETSPECIAL);
				sc.MustGetNumber();
				CompatParams.Push(sc.Number);

				sc.MustGetString();
				CompatParams.Push(P_FindLineSpecial(sc.String, NULL, NULL));
				for (int i = 0; i < 5; i++)
				{
					sc.MustGetNumber();
					CompatParams.Push(sc.Number);
				}
			}
			else if (sc.Compare("clearlinespecial"))
			{
				if (flags.ExtCommandIndex == ~0u) flags.ExtCommandIndex = CompatParams.Size();
				CompatParams.Push(CP_CLEARSPECIAL);
				sc.MustGetNumber();
//.........这里部分代码省略.........

void ParseCompatibility()
{
	TArray<FMD5Holder> md5array;
	FMD5Holder md5;
	FCompatValues flags;
	int i, x;
	unsigned int j;

	BCompatMap.Clear();
	CompatParams.Clear();

	// The contents of this file are not cumulative, as it should not
	// be present in user-distributed maps.
	FScanner sc(Wads.GetNumForFullName("compatibility.txt"));

	while (sc.GetString())	// Get MD5 signature
	{
		do
		{
			if (strlen(sc.String) != 32)
			{
				sc.ScriptError("MD5 signature must be exactly 32 characters long");
			}
			for (i = 0; i < 32; ++i)
			{
				if (sc.String[i] >= '0' && sc.String[i] <= '9')
				{
					x = sc.String[i] - '0';
				}
				else
				{
					sc.String[i] |= 'a' ^ 'A';
					if (sc.String[i] >= 'a' && sc.String[i] <= 'f')
					{
						x = sc.String[i] - 'a' + 10;
					}
					else
					{
						x = 0;
						sc.ScriptError("MD5 signature must be a hexadecimal value");
					}
				}
				if (!(i & 1))
				{
					md5.Bytes[i / 2] = x << 4;
				}
				else
				{
					md5.Bytes[i / 2] |= x;
				}
			}
			md5array.Push(md5);
			sc.MustGetString();
		} while (!sc.Compare("{"));
		memset(flags.CompatFlags, 0, sizeof(flags.CompatFlags));
		flags.ExtCommandIndex = ~0u;
		while (sc.GetString())
		{
			if ((i = sc.MatchString(&Options[0].Name, sizeof(*Options))) >= 0)
			{
				flags.CompatFlags[Options[i].WhichSlot] |= Options[i].CompatFlags;
			}
			else if (sc.Compare("clearlineflags"))
			{
				if (flags.ExtCommandIndex == ~0u) flags.ExtCommandIndex = CompatParams.Size();
				CompatParams.Push(CP_CLEARFLAGS);
				sc.MustGetNumber();
				CompatParams.Push(sc.Number);
				sc.MustGetNumber();
				CompatParams.Push(sc.Number);
			}
			else if (sc.Compare("setlineflags"))
			{
				if (flags.ExtCommandIndex == ~0u) flags.ExtCommandIndex = CompatParams.Size();
				CompatParams.Push(CP_SETFLAGS);
				sc.MustGetNumber();
				CompatParams.Push(sc.Number);
				sc.MustGetNumber();
				CompatParams.Push(sc.Number);
			}
			else if (sc.Compare("setlinespecial"))
			{
				if (flags.ExtCommandIndex == ~0u) flags.ExtCommandIndex = CompatParams.Size();
				CompatParams.Push(CP_SETSPECIAL);
				sc.MustGetNumber();
				CompatParams.Push(sc.Number);

				sc.MustGetString();
				CompatParams.Push(P_FindLineSpecial(sc.String, NULL, NULL));
				for (int i = 0; i < 5; i++)
				{
					sc.MustGetNumber();
					CompatParams.Push(sc.Number);
				}
			}
			else if (sc.Compare("clearlinespecial"))
			{
				if (flags.ExtCommandIndex == ~0u) flags.ExtCommandIndex = CompatParams.Size();
				CompatParams.Push(CP_CLEARSPECIAL);
				sc.MustGetNumber();
//.........这里部分代码省略.........

//*****************************************************************************
//
void COOP_ClearStoredUVDPickups ( )
{
	UVDpickupMap.Clear();
}

void LumpRemapper::ClearRemaps()
{
	sampleRateMap.Clear();
	remaps.Clear();
	psprites.Clear();
}