Changed: Replace all "" by empty(), clear(), Empty(), etc...

--HG-- branch : develop
8 years ago · f605c5faa5
parent 48088d651e
commit f605c5faa5
159 changed files with 366 additions and 373 deletions
--- a/code/nel/include/nel/misc/sha1.h
+++ b/code/nel/include/nel/misc/sha1.h
@ -29,7 +29,7 @@ struct CHashKey

 	CHashKey (const unsigned char Message_Digest[20])
 	{
-		HashKeyString = "";
+		HashKeyString.clear();
 		for(sint i = 0; i < 20 ; ++i)
 		{
 			HashKeyString += Message_Digest[i];
@ -45,7 +45,7 @@ struct CHashKey
 		}
 		else if (str.size() == 40)
 		{
-			HashKeyString = "";
+			HashKeyString.clear();
 			for(uint i = 0; i < str.size(); i+=2)
 			{
 				uint8 val;
--- a/code/nel/src/3d/cluster.cpp
+++ b/code/nel/src/3d/cluster.cpp
@ -319,7 +319,7 @@ void CCluster::serial (NLMISC::IStream&f)
 			// write the env fx name
 			std::string envFxName = CStringMapper::unmap(_EnvironmentFxId);
 			if (envFxName == "no fx")
-				envFxName = "";
+				envFxName.clear();
 			f.serial(envFxName);
 		}

--- a/code/nel/src/3d/driver/direct3d/driver_direct3d.cpp
+++ b/code/nel/src/3d/driver/direct3d/driver_direct3d.cpp
@ -1265,7 +1265,7 @@ bool CDriverD3D::init (uintptr_t windowIcon, emptyProc exitFunc)
 		if (error != ERROR_CLASS_ALREADY_EXISTS)
 		{
 			nlwarning("CDriverD3D::init: Can't register window class %s (error code %i)", _WindowClass.c_str(), (sint)error);
-			_WindowClass = "";
+			_WindowClass.clear();
 			return false;
 		}
 	}
--- a/code/nel/src/3d/driver/direct3d/driver_direct3d_shader.cpp
+++ b/code/nel/src/3d/driver/direct3d/driver_direct3d_shader.cpp
@ -62,7 +62,7 @@ void CD3DShaderFX::setName (const char *name)

 bool CD3DShaderFX::loadShaderFile (const char *filename)
 {
-	_Text = "";
+	_Text.clear();
 	// Lookup
 	string _filename = NLMISC::CPath::lookup(filename, false, true, true);
 	if (!_filename.empty())
--- a/code/nel/src/3d/driver/direct3d/driver_direct3d_vertex_program.cpp
+++ b/code/nel/src/3d/driver/direct3d/driver_direct3d_vertex_program.cpp
@ -109,7 +109,7 @@ void dumpWriteMask(uint mask, std::string &out)
 	H_AUTO_D3D(dumpWriteMask)
 	if (mask == 0xf)
 	{
-		out = "";
+		out.clear();
 		return;
 	}
 	out = ".";
@ -126,7 +126,7 @@ void dumpSwizzle(const CVPSwizzle &swz, std::string &out)
 	H_AUTO_D3D(dumpSwizzle)
 	if (swz.isIdentity())
 	{
-		out = "";
+		out.clear();
 		return;
 	}
 	out = ".";
--- a/code/nel/src/3d/driver/opengl/driver_opengl_inputs.cpp
+++ b/code/nel/src/3d/driver/opengl/driver_opengl_inputs.cpp
@ -491,7 +491,7 @@ void CDriverGL::showCursor(bool b)
 	}
 	else
 	{
-		_CurrName = "";
+		_CurrName.clear();
 	}

 	// update current hardware icon to avoid to have the plain arrow
--- a/code/nel/src/3d/driver/opengl/driver_opengl_vertex_program.cpp
+++ b/code/nel/src/3d/driver/opengl/driver_opengl_vertex_program.cpp
@ -1270,7 +1270,7 @@ static void ARBVertexProgramDumpWriteMask(uint mask, std::string &out)
 	H_AUTO_OGL(ARBVertexProgramDumpWriteMask)
 	if (mask == 0xf)
 	{
-		out = "";
+		out.clear();
 		return;
 	}
 	out = ".";
@ -1286,7 +1286,7 @@ static void ARBVertexProgramDumpSwizzle(const CVPSwizzle &swz, std::string &out)
 	H_AUTO_OGL(ARBVertexProgramDumpSwizzle)
 	if (swz.isIdentity())
 	{
-		out = "";
+		out.clear();
 		return;
 	}
 	out = ".";
--- a/code/nel/src/3d/driver/opengl/unix_event_emitter.cpp
+++ b/code/nel/src/3d/driver/opengl/unix_event_emitter.cpp
@ -626,7 +626,7 @@ bool CUnixEventEmitter::processMessage (XEvent &event, CEventServer *server)
 	}
 	case SelectionClear:
 		_SelectionOwned = false;
-		_CopiedString = "";
+		_CopiedString.clear();
 		break;
 	case SelectionNotify:
 	{
--- a/code/nel/src/3d/landscape_user.cpp
+++ b/code/nel/src/3d/landscape_user.cpp
@ -262,8 +262,8 @@ void	CLandscapeUser::refreshZonesAround(const CVector &pos, float radius, std::s
 {
 	NL3D_HAUTO_LOAD_LANDSCAPE;

-	zoneRemoved= "";
-	zoneAdded= "";
+	zoneRemoved.clear();
+	zoneAdded.clear();
 	CZoneManager::SZoneManagerWork Work;
 	// Check if new zone must be added to landscape
 	if (_ZoneManager.isWorkComplete(Work))
--- a/code/nel/src/3d/portal.cpp
+++ b/code/nel/src/3d/portal.cpp
@ -242,11 +242,11 @@ void CPortal::serial (NLMISC::IStream& f)
 		{
 			std::string occName = CStringMapper::unmap(_OcclusionModelId);
 			if (occName == "no occlusion")
-				occName = "";
+				occName.clear();
 			f.serial(occName);
 			occName = CStringMapper::unmap(_OpenOcclusionModelId);
 			if (occName == "no occlusion")
-				occName = "";
+				occName.clear();
 			f.serial(occName);
 		}
 	}
--- a/code/nel/src/3d/tile_bank.cpp
+++ b/code/nel/src/3d/tile_bank.cpp
@ -134,7 +134,7 @@ void    CTileBank::serial(NLMISC::IStream &f) throw(NLMISC::EStream)
 		nlassert (f.isReading());

 		// Reset _AbsPath
-		_AbsPath="";
+		_AbsPath.clear();

 		// Remove diffuse and additive in transition
 		uint tileCount=(uint)getTileCount ();
@ -782,7 +782,7 @@ void CTile::serial(NLMISC::IStream &f) throw(NLMISC::EStream)
 		_Flags=0;

 		// Initialize alpha name
-		_BitmapName[alpha]="";
+		_BitmapName[alpha].clear();

 		// Read free flag
 		f.serial (tmp);
@ -804,7 +804,7 @@ void CTile::serial(NLMISC::IStream &f) throw(NLMISC::EStream)
 // ***************************************************************************
 void CTile::clearTile (CTile::TBitmap type)
 {
-	_BitmapName[type]="";
+	_BitmapName[type].clear();
 }


@ -1521,7 +1521,7 @@ void CTileSet::setDisplacement (TDisplacement displacement, const std::string& f
 // ***************************************************************************
 void CTileSet::cleanUnusedData ()
 {
-	_Name="";
+	_Name.clear();
 	_ChildName.clear();
 	_Border128[0].reset ();
 	_Border128[1].reset ();
@ -1853,14 +1853,12 @@ CTileNoise::CTileNoise ()
 {
 	// Not loaded
 	_TileNoiseMap=NULL;
-	_FileName="";
 }
 // ***************************************************************************
 CTileNoise::CTileNoise (const CTileNoise &src)
 {
 	// Default ctor
 	_TileNoiseMap=NULL;
-	_FileName="";

 	// Copy
 	*this=src;
@ -1932,7 +1930,7 @@ void CTileNoise::reset()
 	}

 	// Erase filename
-	_FileName="";
+	_FileName.clear();
 }
 // ***************************************************************************

--- a/code/nel/src/3d/vertex_buffer.cpp
+++ b/code/nel/src/3d/vertex_buffer.cpp
@ -885,7 +885,7 @@ void		CVertexBuffer::serialHeader(NLMISC::IStream &f)
 		if(f.isReading())
 		{
 			_PreferredMemory = RAMPreferred;
-			_Name = "";
+			_Name.clear();
 		}
 	}
 }
--- a/code/nel/src/3d/vertex_program_parse.cpp
+++ b/code/nel/src/3d/vertex_program_parse.cpp
@ -1110,7 +1110,7 @@ static void dumpWriteMask(uint mask, std::string &out)
 {
 	if (mask == 0xf)
 	{
-		out = "";
+		out.clear();
 		return;
 	}
 	out = ".";
@ -1125,7 +1125,7 @@ static void dumpSwizzle(const CVPSwizzle &swz, std::string &out)
 {
 	if (swz.isIdentity())
 	{
-		out = "";
+		out.clear();
 		return;
 	}
 	out = ".";
--- a/code/nel/src/3d/zone_manager.cpp
+++ b/code/nel/src/3d/zone_manager.cpp
@ -170,7 +170,7 @@ bool CZoneManager::isWorkComplete (CZoneManager::SZoneManagerWork &rWork)
 			rWork.NameZoneAdded = ite->ZoneToAddName;
 			rWork.ZoneRemoved = false;
 			rWork.IdZoneToRemove = 0;
-			rWork.NameZoneRemoved = "";
+			rWork.NameZoneRemoved.clear();
 			rWork.Zone = const_cast<CZone*>(ite->Zone);
 			_LoadedZones.push_back (ite->ZoneToAddId);

@ -187,7 +187,7 @@ bool CZoneManager::isWorkComplete (CZoneManager::SZoneManagerWork &rWork)
 	{
 		_RemovingZone = false;
 		rWork.ZoneAdded = false;
-		rWork.NameZoneAdded = "";
+		rWork.NameZoneAdded.clear();
 		rWork.ZoneRemoved = true;
 		rWork.IdZoneToRemove = _IdZoneToRemove;
 		rWork.NameZoneRemoved = getZoneNameFromId(_IdZoneToRemove);
--- a/code/nel/src/georges/form_dfn.cpp
+++ b/code/nel/src/georges/form_dfn.cpp
@ -498,7 +498,7 @@ void CFormDfn::CEntry::setDfn (CFormLoader &loader, const char *filename)
 void CFormDfn::CEntry::setDfnPointer ()
 {
 	TypeElement = EntryVirtualDfn;
-	Filename = "";
+	Filename.clear();
 	Type = NULL;
 	Dfn = NULL;
 }
--- a/code/nel/src/georges/form_elm.cpp
+++ b/code/nel/src/georges/form_elm.cpp
@ -1512,7 +1512,7 @@ const char* CFormElm::tokenize (const char *name, string &str, uint &/* errorInd
 		return name+1;
 	}

-	str = "";
+	str.clear();
 	while ( (*name != '.') && (*name != '[') && (*name != ']') && (*name != 0) )
 	{
 		// Add a char
@ -2066,7 +2066,7 @@ void CFormElmStruct::getFormName (std::string &result, const CFormElm *child) co
 	// Reset the result
 	if (child == NULL)
 	{
-		result = "";
+		result.clear();
 		result.reserve (50);
 	}

@ -2723,7 +2723,7 @@ void CFormElmArray::getFormName (std::string &result, const CFormElm *child) con
 	// Reset the result
 	if (child == NULL)
 	{
-		result = "";
+		result.clear();
 		result.reserve (50);
 	}

@ -3067,7 +3067,7 @@ void CFormElmAtom::getFormName (std::string &result, const CFormElm *child) cons
 {
 	// Must be NULL
 	nlassert (child == NULL);
-	result = "";
+	result.clear();
 	result.reserve (50);

 	// Get parent form name
--- a/code/nel/src/georges/header.cpp
+++ b/code/nel/src/georges/header.cpp
@ -159,7 +159,7 @@ void CFileHeader::read (xmlNodePtr root)
 	}

 	// Look for the comment node
-	Comments = "";
+	Comments.clear();
 	xmlNodePtr node = CIXml::getFirstChildNode (root, "COMMENTS");
 	if (node)
 	{
@ -181,7 +181,7 @@ void CFileHeader::read (xmlNodePtr root)
 	}

 	// Look for the log node
-	Log = "";
+	Log.clear();
 	node = CIXml::getFirstChildNode (root, "LOG");
 	if (node)
 	{
--- a/code/nel/src/georges/type.cpp
+++ b/code/nel/src/georges/type.cpp
@ -185,7 +185,7 @@ void CType::read (xmlNodePtr root)
 		xmlFree ((void*)value);
 	}
 	else
-		Default = "";
+		Default.clear();

 	// Read Min
 	value = (const char*)xmlGetProp (root, (xmlChar*)"Min");
@ -197,7 +197,7 @@ void CType::read (xmlNodePtr root)
 		xmlFree ((void*)value);
 	}
 	else
-		Min = "";
+		Min.clear();

 	// Read Max
 	value = (const char*)xmlGetProp (root, (xmlChar*)"Max");
@ -209,7 +209,7 @@ void CType::read (xmlNodePtr root)
 		xmlFree ((void*)value);
 	}
 	else
-		Max = "";
+		Max.clear();

 	// Read Increment
 	value = (const char*)xmlGetProp (root, (xmlChar*)"Increment");
@ -221,7 +221,7 @@ void CType::read (xmlNodePtr root)
 		xmlFree ((void*)value);
 	}
 	else
-		Increment = "";
+		Increment.clear();

 	// Read the definitions
 	uint childrenCount = CIXml::countChildren (root, "DEFINITION");
@ -465,7 +465,7 @@ uint getNextToken (const char *startString, string &token, uint &offset)
 		offset += 9;
 		return NL_TOKEN_NAME;
 	}
-	token = "";
+	token.clear();
 	while (startString[offset])
 	{
 		if (startString[offset] == '\\')
--- a/code/nel/src/gui/group_editbox.cpp
+++ b/code/nel/src/gui/group_editbox.cpp
@ -1768,7 +1768,7 @@ namespace NLGUI
 	// ***************************************************************************
 	void CGroupEditBox::clearAllEditBox()
 	{
-		_InputString = "";
+		_InputString.clear();
 		_CursorPos = 0;
 		_CursorAtPreviousLineEnd = false;
 		if (!_ViewText) return;
--- a/code/nel/src/gui/group_html.cpp
+++ b/code/nel/src/gui/group_html.cpp
@ -2089,10 +2089,10 @@ namespace NLGUI
 						templateName = value[MY_HTML_TEXTAREA_Z_INPUT_TMPL];

 					// Get the string name
-					_TextAreaName = "";
+					_TextAreaName.clear();
 					_TextAreaRow = 1;
 					_TextAreaCols = 10;
-					_TextAreaContent = "";
+					_TextAreaContent.clear();
 					_TextAreaMaxLength = 1024;
 					if (present[MY_HTML_TEXTAREA_NAME] && value[MY_HTML_TEXTAREA_NAME])
 						_TextAreaName = value[MY_HTML_TEXTAREA_NAME];
@ -2112,7 +2112,7 @@ namespace NLGUI
 					if(!_TitlePrefix.empty())
 						_TitleString = _TitlePrefix + " - ";
 					else
-						_TitleString = "";
+						_TitleString.clear();
 					_Title = true;
 				}
 				break;
@ -2144,10 +2144,10 @@ namespace NLGUI
 				endParagraph();
 				break;
 			case HTML_OBJECT:
-				_ObjectType = "";
-				_ObjectData = "";
-				_ObjectMD5Sum = "";
-				_ObjectAction = "";
+				_ObjectType.clear();
+				_ObjectData.clear();
+				_ObjectMD5Sum.clear();
+				_ObjectAction.clear();
 				if (present[HTML_OBJECT_TYPE] && value[HTML_OBJECT_TYPE])
 					_ObjectType = value[HTML_OBJECT_TYPE];
 				if (present[HTML_OBJECT_DATA] && value[HTML_OBJECT_DATA])
@ -2369,7 +2369,7 @@ namespace NLGUI
 				{
 					endParagraph();
 				}
-				_DivName = "";
+				_DivName.clear();
 				popIfNotEmpty (_Divs);
 				popIfNotEmpty (_BlockLevelElement);
 				break;
@ -2614,7 +2614,7 @@ namespace NLGUI
 							{
 								CLuaManager::getInstance().executeLuaScript("\nlocal __ALLREADYDL__=true\n"+_ObjectScript, true);
 							}
-							_ObjectScript = "";
+							_ObjectScript.clear();
 						}
 					}
 					_Object = false;
@ -2632,7 +2632,7 @@ namespace NLGUI
 		{
 			// we receive an embeded lua script
 			_ParsingLua = _TrustedDomain; // Only parse lua if TrustedDomain
-			_LuaScript = "";
+			_LuaScript.clear();
 		}
 	}

@ -2687,8 +2687,6 @@ namespace NLGUI
 		_LI = false;
 		_SelectOption = false;
 		_GroupListAdaptor = NULL;
-		_DocumentUrl = "";
-		_DocumentDomain = "";
 		_UrlFragment.clear();
 		_RefreshUrl.clear();
 		_NextRefreshTime = 0.0;
@ -2741,7 +2739,6 @@ namespace NLGUI
 		DefaultCheckBoxBitmapOver =		"checkbox_over.tga";
 		DefaultRadioButtonBitmapNormal = "w_radiobutton.png";
 		DefaultRadioButtonBitmapPushed = "w_radiobutton_pushed.png";
-		DefaultRadioButtonBitmapOver =	"";
 		DefaultBackgroundBitmapView =	"bg";
 		clearContext();

@ -5825,7 +5822,7 @@ namespace NLGUI
 				if (it->second == "monospace")
 					style.FontFamily = "monospace";
 				else
-					style.FontFamily = "";
+					style.FontFamily.clear();
 			}
 			else
 			if (it->first == "font-weight")
--- a/code/nel/src/gui/group_list.cpp
+++ b/code/nel/src/gui/group_list.cpp
@ -363,7 +363,7 @@ namespace NLGUI
 			uint32 i;
 			if( fromString( value, i ) )
 				_TextId = i;
-			_HardText = "";
+			_HardText.clear();
 			onTextChanged();
 			return;
 		}
--- a/code/nel/src/gui/group_menu.cpp
+++ b/code/nel/src/gui/group_menu.cpp
@ -266,7 +266,7 @@ namespace NLGUI
 			else
 			if (stricmp((char*)cur->name, "action") == 0)
 			{
-				string		strId,  strAh,  strParams,  strCond, strTexture="";
+				string		strId,  strAh,  strParams,  strCond, strTexture;
 				ucstring	ucstrName;

 				if (id)		strId = (const char*)id;
@ -1077,7 +1077,7 @@ namespace NLGUI
 				for (uint32 i = 0; i < pCurGSM->_Lines.size(); ++i)
 					if (sRest == pCurGSM->_Lines[i].Id)
 						return pCurGSM->_Lines[i].ViewText;
-				sRest = "";
+				sRest.clear();
 			}
 			else // no a lot of token left
 			{
--- a/code/nel/src/gui/group_paragraph.cpp
+++ b/code/nel/src/gui/group_paragraph.cpp
@ -337,7 +337,7 @@ namespace NLGUI
 			if( fromString( value, i ) )
 			{
 				_TextId = i;
-				_HardText = "";
+				_HardText.clear();
 			}
 			onTextChanged();
 			return;
--- a/code/nel/src/gui/group_tree.cpp
+++ b/code/nel/src/gui/group_tree.cpp
@ -765,7 +765,7 @@ namespace NLGUI
 			rVR.getTextureSizeFromId(id,  _XExtend,  dummy);
 		else
 			// if not found,  reset,  to avoid errors
-			_ArboXExtend= "";
+			_ArboXExtend.clear();
 	}

 	// ----------------------------------------------------------------------------
--- a/code/nel/src/gui/interface_group.cpp
+++ b/code/nel/src/gui/interface_group.cpp
@ -1031,12 +1031,12 @@ namespace NLGUI
 			if (posid > 0)
 				idTmp = idTmp.substr (0, posid);
 			else
-				idTmp = "";
+				idTmp.clear();

 			if (poslid > 0)
 				lidTmp = lidTmp.substr (0, poslid);
 			else
-				lidTmp = "";
+				lidTmp.clear();
 		}
 		return true;
 	}
--- a/code/nel/src/gui/interface_parser.cpp
+++ b/code/nel/src/gui/interface_parser.cpp
@ -665,7 +665,7 @@ namespace NLGUI
 			if (strchr(ptr, '#') != NULL)
 			{
 				string LastProp = ptr.str();
-				string NewProp ="";
+				string NewProp;
 				string RepProp;

 				while (LastProp.size() > 0)
@ -709,7 +709,7 @@ namespace NLGUI
 					else
 					{
 						NewProp += LastProp;
-						LastProp = "";
+						LastProp.clear();
 					}
 				}
 				xmlSetProp(node,props->name, (const xmlChar*)NewProp.c_str());
--- a/code/nel/src/ligo/primitive.cpp
+++ b/code/nel/src/ligo/primitive.cpp
@ -1240,7 +1240,7 @@ const	IPrimitive	*IPrimitive::getPrimitive	(const	std::string	&absoluteOrRelativ
 		if (indexStr==string::npos)
 		{
 			childName=path;
-			path="";
+			path.clear();
 		}
 		else
 		{
@ -1664,7 +1664,7 @@ bool IPrimitive::read (xmlNodePtr xmlNode, const char *filename, uint version, C
 	if (commentNode)
 	{
 		 if (!CIXml::getContentString(_UnparsedProperties, commentNode))
-			_UnparsedProperties = "";
+			_UnparsedProperties.clear();
 	}

 	// Read the expanded flag
--- a/code/nel/src/ligo/primitive_class.cpp
+++ b/code/nel/src/ligo/primitive_class.cpp
@ -183,8 +183,8 @@ bool CPrimitiveClass::read (xmlNodePtr primitiveNode,
 	//	init default parameters
 	AutoInit = false;
 	Deletable = true;
-	FileExtension = "";
-	FileType = "";
+	FileExtension.clear();
+	FileType.clear();
 	Collision = false;
 	LinkBrothers = false;
 	ShowArrow = true;
@ -351,16 +351,16 @@ bool CPrimitiveClass::read (xmlNodePtr primitiveNode,
 			parameter.WidgetHeight = (uint)temp;

 		// Read the file extension
-		parameter.FileExtension = "";
+		parameter.FileExtension.clear();
 		CIXml::getPropertyString (parameter.FileExtension, paramNode, "FILE_EXTENSION");
 		parameter.FileExtension = toLower(parameter.FileExtension);

 		// Autonaming preference
-		parameter.Autoname = "";
+		parameter.Autoname.clear();
 		CIXml::getPropertyString (parameter.Autoname, paramNode, "AUTONAME");

 		// Read the file extension
-		parameter.Folder = "";
+		parameter.Folder.clear();
 		CIXml::getPropertyString (parameter.Folder, paramNode, "FOLDER");
 		parameter.Folder = toLower(parameter.Folder);

@ -650,7 +650,7 @@ void	CPrimitiveClass::CParameter::CConstStringValue::getPrimitivesForPrimPath	(s

 bool CPrimitiveClass::CParameter::translateAutoname (std::string &result, const IPrimitive &primitive, const CPrimitiveClass &primitiveClass) const
 {
-	result = "";
+	result.clear();
 	string::size_type strBegin = 0;
 	string::size_type strEnd = 0;
 	while (strBegin != Autoname.size())
@ -745,7 +745,7 @@ bool CPrimitiveClass::CParameter::translateAutoname (std::string &result, const

 bool CPrimitiveClass::CParameter::getDefaultValue (std::string &result, const IPrimitive &primitive, const CPrimitiveClass &primitiveClass, std::string *fromWhere) const
 {
-	result = "";
+	result.clear();
 	if (!Autoname.empty())
 	{
 		if (fromWhere)
--- a/code/nel/src/ligo/zone_bank.cpp
+++ b/code/nel/src/ligo/zone_bank.cpp
@ -88,7 +88,7 @@ void CZoneBankElement::convertSize()
 	}
 	fromString(sTmp, _SizeX);

-	++i; sTmp = "";
+	++i; sTmp.clear();
 	for (; i < sizeString.size(); ++i)
 	{
 		sTmp += sizeString[i];
--- a/code/nel/src/misc/debug.cpp
+++ b/code/nel/src/misc/debug.cpp
@ -453,7 +453,7 @@ public:
 		string shortExc, longExc, subject;
 		string addr, ext;
 		ULONG_PTR skipNFirst = 0;
-		_Reason = "";
+		_Reason.clear();

 		if (m_pexp == NULL)
 		{
@ -491,25 +491,25 @@ public:
 			case EXCEPTION_STACK_OVERFLOW            : shortExc="Stack Overflow"; longExc="Stack overflow. Can occur during errant recursion, or when a function creates a particularly large array on the stack"; break;
 			case EXCEPTION_INVALID_DISPOSITION       : shortExc="Invalid Disposition"; longExc="Whatever number the exception filter returned, it wasn't a value the OS knows about"; break;
 			case EXCEPTION_GUARD_PAGE                : shortExc="Guard Page"; longExc="Memory Allocated as PAGE_GUARD by VirtualAlloc() has been accessed"; break;
-			case EXCEPTION_INVALID_HANDLE            : shortExc="Invalid Handle"; longExc=""; break;
+			case EXCEPTION_INVALID_HANDLE            : shortExc="Invalid Handle"; longExc.clear(); break;
 			case CONTROL_C_EXIT                      : shortExc="Control-C"; longExc="Lets the debugger know the user hit Ctrl-C. Seemingly for console apps only"; break;
 			case STATUS_NO_MEMORY                    : shortExc="No Memory"; longExc="Called by HeapAlloc() if you specify HEAP_GENERATE_EXCEPTIONS and there is no memory or heap corruption";
 				ext = ", unable to allocate ";
 				ext += toString ("%d bytes", m_pexp->ExceptionRecord->ExceptionInformation [0]);
 				break;
-			case STATUS_WAIT_0                       : shortExc="Wait 0"; longExc=""; break;
-			case STATUS_ABANDONED_WAIT_0             : shortExc="Abandoned Wait 0"; longExc=""; break;
+			case STATUS_WAIT_0                       : shortExc="Wait 0"; longExc.clear(); break;
+			case STATUS_ABANDONED_WAIT_0             : shortExc="Abandoned Wait 0"; longExc.clear(); break;
 			case STATUS_USER_APC                     : shortExc="User APC"; longExc="A user APC was delivered to the current thread before the specified Timeout interval expired"; break;
-			case STATUS_TIMEOUT                      : shortExc="Timeout"; longExc=""; break;
-			case STATUS_PENDING                      : shortExc="Pending"; longExc=""; break;
-			case STATUS_SEGMENT_NOTIFICATION         : shortExc="Segment Notification"; longExc=""; break;
-			case STATUS_FLOAT_MULTIPLE_FAULTS        : shortExc="Float Multiple Faults"; longExc=""; break;
-			case STATUS_FLOAT_MULTIPLE_TRAPS         : shortExc="Float Multiple Traps"; longExc=""; break;
+			case STATUS_TIMEOUT                      : shortExc="Timeout"; longExc.clear(); break;
+			case STATUS_PENDING                      : shortExc="Pending"; longExc.clear(); break;
+			case STATUS_SEGMENT_NOTIFICATION         : shortExc="Segment Notification"; longExc.clear(); break;
+			case STATUS_FLOAT_MULTIPLE_FAULTS        : shortExc="Float Multiple Faults"; longExc.clear(); break;
+			case STATUS_FLOAT_MULTIPLE_TRAPS         : shortExc="Float Multiple Traps"; longExc.clear(); break;
 #ifdef NL_COMP_VC6
-			case STATUS_ILLEGAL_VLM_REFERENCE        : shortExc="Illegal VLM Reference"; longExc=""; break;
+			case STATUS_ILLEGAL_VLM_REFERENCE        : shortExc="Illegal VLM Reference"; longExc.clear(); break;
 #endif
 			case 0xE06D7363                          : shortExc="Microsoft C++ Exception"; longExc="Microsoft C++ Exception"; break;	// cpp exception
-			case 0xACE0ACE                           : shortExc=""; longExc="";
+			case 0xACE0ACE                           : shortExc.clear(); longExc.clear();
 				if (m_pexp->ExceptionRecord->NumberParameters == 1)
 					skipNFirst = m_pexp->ExceptionRecord->ExceptionInformation [0];
 				break;	// just want the stack
@ -824,7 +824,7 @@ public:
 		// replace param with the value of the stack for this param

 		string parse = str;
-		str = "";
+		str.clear();
 		uint pos2 = 0;
 		sint stop = 0;

@ -943,7 +943,7 @@ public:
 						str += tmp;
 					}
 					str += parse[i];
-					type = "";
+					type.clear();
 				}
 				else
 				{
--- a/code/nel/src/misc/dynloadlib.cpp
+++ b/code/nel/src/misc/dynloadlib.cpp
@ -255,7 +255,7 @@ void CLibrary::freeLibrary()
 		_PureNelLibrary = NULL;
 		_LibHandle = NULL;
 		_Ownership = false;
-		_LibFileName = "";
+		_LibFileName.clear();
 	}
 }

--- a/code/nel/src/misc/eid_translator.cpp
+++ b/code/nel/src/misc/eid_translator.cpp
@ -587,10 +587,10 @@ void CEntityIdTranslator::getEntityIdInfo (const CEntityId &eid, ucstring &entit
 	if (it == RegisteredEntities.end ())
 	{
 		nlwarning ("EIT: %s is not registered in CEntityIdTranslator", reid.toString().c_str());
-		entityName = "";
+		entityName.clear();
 		entitySlot = -1;
 		uid = std::numeric_limits<uint32>::max();
-		userName = "";
+		userName.clear();
 		online = false;
 	}
 	else
--- a/code/nel/src/misc/file.cpp
+++ b/code/nel/src/misc/file.cpp
@ -550,7 +550,6 @@ uint	CIFile::getDbgStreamSize() const
 COFile::COFile() : IStream(false)
 {
 	_F=NULL;
-	_FileName = "";
 }

 // ======================================================================================================
--- a/code/nel/src/misc/i_xml.cpp
+++ b/code/nel/src/misc/i_xml.cpp
@ -67,7 +67,6 @@ CIXml::CIXml () : IStream (true /* Input mode */)
 	_CurrentNode = NULL;
 	_PushBegin = false;
 	_AttribPresent = false;
-	_ErrorString = "";
 	_TryBinaryMode = false;
 	_BinaryStream = NULL;
 }
@ -82,7 +81,6 @@ CIXml::CIXml (bool tryBinaryMode) : IStream (true /* Input mode */)
 	_CurrentNode = NULL;
 	_PushBegin = false;
 	_AttribPresent = false;
-	_ErrorString = "";
 	_TryBinaryMode = tryBinaryMode;
 	_BinaryStream = NULL;
 }
@ -116,7 +114,7 @@ void CIXml::release ()
 	_CurrentNode = NULL;
 	_PushBegin = false;
 	_AttribPresent = false;
-	_ErrorString = "";
+	_ErrorString.clear();

 	resetPtrTable();
 }
@ -195,7 +193,7 @@ bool CIXml::init (IStream &stream)
 		}

 		// Set error handler
-		_ErrorString = "";
+		_ErrorString.clear();
 		xmlSetGenericErrorFunc	(this, xmlGenericErrorFuncRead);

 		// Ask to get debug info
@ -319,7 +317,7 @@ void CIXml::serialSeparatedBufferIn ( string &value, bool checkSeparator )
 						// If no more node, empty string
 						if (_CurrentNode == NULL)
 						{
-							value = "";
+							value.clear();
 							_ContentStringIndex = 0;
 							_ContentString.erase ();
 							return;
--- a/code/nel/src/misc/log.cpp
+++ b/code/nel/src/misc/log.cpp
@ -377,11 +377,11 @@ void CLog::displayRawString (const char *str)
 		{
 			localargs.Date = 0;
 			localargs.LogType = CLog::LOG_NO;
-			localargs.ProcessName = "";
+			localargs.ProcessName.clear();
 			localargs.ThreadId = 0;
 			localargs.FileName = NULL;
 			localargs.Line = -1;
-			localargs.CallstackAndLog = "";
+			localargs.CallstackAndLog.clear();

 			TempString = str;
 		}
@ -397,11 +397,11 @@ void CLog::displayRawString (const char *str)
 		{
 			localargs.Date = 0;
 			localargs.LogType = CLog::LOG_NO;
-			localargs.ProcessName = "";
+			localargs.ProcessName.clear();
 			localargs.ThreadId = 0;
 			localargs.FileName = NULL;
 			localargs.Line = -1;
-			localargs.CallstackAndLog = "";
+			localargs.CallstackAndLog.clear();

 			disp = str;
 			args = &localargs;
--- a/code/nel/src/misc/mem_displayer.cpp
+++ b/code/nel/src/misc/mem_displayer.cpp
@ -85,7 +85,7 @@ static string getFuncInfo (DWORD_TYPE funcAddr, DWORD_TYPE stackAddr)
 	// replace param with the value of the stack for this param

 	string parse = str;
-	str = "";
+	str.clear();
 	uint pos = 0;
 	sint stop = 0;

--- a/code/nel/src/misc/o_xml.cpp
+++ b/code/nel/src/misc/o_xml.cpp
@ -134,7 +134,7 @@ COXml::COXml () : IStream (false /* Output mode */)
 	_CurrentNode = NULL;

 	// Content string
-	_ContentString = "";
+	_ContentString.clear();

 	// Push begin
 	_PushBegin = false;
@ -160,7 +160,7 @@ bool COXml::init (IStream *stream, const char *version)
 	if (!stream->isReading())
 	{
 		// Set error handler
-		_ErrorString = "";
+		_ErrorString.clear();
 		xmlSetGenericErrorFunc	(this, xmlGenericErrorFuncWrite);

 		// Set XML mode
@ -179,7 +179,7 @@ bool COXml::init (IStream *stream, const char *version)
 		_CurrentNode = NULL;

 		// Content string
-		_ContentString = "";
+		_ContentString.clear();

 		// Push begin
 		_PushBegin = false;
--- a/code/nel/src/misc/string_mapper.cpp
+++ b/code/nel/src/misc/string_mapper.cpp
@ -33,8 +33,7 @@ CStringMapper	CStringMapper::_GlobalMapper;
 // ****************************************************************************
 CStringMapper::CStringMapper()
 {
-	_EmptyId = new string;
-	*_EmptyId = "";
+	_EmptyId = new string();
 }

 // ****************************************************************************
--- a/code/nel/src/misc/system_info.cpp
+++ b/code/nel/src/misc/system_info.cpp
@ -1525,7 +1525,7 @@ NLMISC_CATEGORISED_DYNVARIABLE(nel, string, AvailableHDSpace, "Hard drive space
 	if (get)
 	{
 		*pointer = (CSystemInfo::availableHDSpace(location));
-		location = "";
+		location.clear();
 	}
 	else
 	{
--- a/code/nel/src/misc/task_manager.cpp
+++ b/code/nel/src/misc/task_manager.cpp
@ -37,7 +37,7 @@ CTaskManager::CTaskManager() : _RunningTask (""), _TaskQueue (""), _DoneTaskQueu
 	_IsTaskRunning = false;
 	_ThreadRunning = true;
 	CSynchronized<string>::CAccessor currentTask(&_RunningTask);
-	currentTask.value () = "";
+	currentTask.value ().clear();
 	_Thread = IThread::create(this);
 	_Thread->start();
 	_ChangePriorityCallback = NULL;
@ -111,7 +111,7 @@ void CTaskManager::run(void)
 				CSynchronized<string>::CAccessor currentTask(&_RunningTask);
 				CSynchronized<deque<string> >::CAccessor doneTask(&_DoneTaskQueue);
 				doneTask.value().push_front (currentTask.value ());
-				currentTask.value () = "";
+				currentTask.value ().clear();
 				if (doneTask.value().size () > NLMISC_DONE_TASK_SIZE)
 					doneTask.value().resize (NLMISC_DONE_TASK_SIZE);
 			}
--- a/code/nel/src/misc/win_displayer.cpp
+++ b/code/nel/src/misc/win_displayer.cpp
@ -156,7 +156,7 @@ LRESULT CALLBACK WndProc (HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 					string str;
 					while (*pos2 != '\0')
 					{
-						str = "";
+						str.clear();

 						// get the string
 						while (*pos2 != '\0' && *pos2 != '\n')
--- a/code/nel/src/net/admin.cpp
+++ b/code/nel/src/net/admin.cpp
@ -381,7 +381,7 @@ void serviceGetView (uint32 rid, const string &rawvarpath, TAdminViewResult &ans
 	if (CCommandRegistry::getInstance().isNamedCommandHandler(varpath.Destination[0].first))
 	{
 		varpath.Destination[0].first += "."+varpath.Destination[0].second;
-		varpath.Destination[0].second = "";
+		varpath.Destination[0].second.clear();
 	}

 	if (varpath.isFinal())
--- a/code/nel/src/net/buf_sock.cpp
+++ b/code/nel/src/net/buf_sock.cpp
@ -84,7 +84,7 @@ CBufSock::~CBufSock()
 	delete Sock; // the socket disconnects automatically if needed

 	// destroy the structur to be sure that other people will not access to this anymore
-	AuthorizedCallback = "";
+	AuthorizedCallback.clear();
 	Sock = NULL;
 	_KnowConnected = false;
 	_LastFlushTime = 0;
--- a/code/nel/src/net/login_client.cpp
+++ b/code/nel/src/net/login_client.cpp
@ -127,7 +127,7 @@ string CLoginClient::authenticate(const string &loginServiceAddr, const ucstring

 string CLoginClient::authenticateBegin(const string &loginServiceAddr, const ucstring &login, const string &cpassword, const string &application)
 {
-	VerifyLoginPasswordReason = "";
+	VerifyLoginPasswordReason.clear();
 	VerifyLoginPassword = false;

 	// S01: connect to the LS
@ -355,7 +355,7 @@ string CLoginClient::selectShardBegin(sint32 shardId)
 {
 	nlassert(_LSCallbackClient != 0 && _LSCallbackClient->connected());
 	
-	ShardChooseShardReason = "";
+	ShardChooseShardReason.clear();
 	ShardChooseShard = false;

 	if (ShardList.empty())
--- a/code/nel/src/net/login_server.cpp
+++ b/code/nel/src/net/login_server.cpp
@ -157,7 +157,7 @@ void cbWSChooseShard (CMessage &msgin, const std::string &/* serviceName */, TSe
 		// add it to the awaiting client
 		nlinfo ("LS: New cookie %s (name '%s' priv '%s' extended '%s' instance %u slot %u) inserted in the pending user list (awaiting new client)", cookie.toString().c_str(), userName.c_str(), userPriv.c_str(), userExtended.c_str(), instanceId, charSlot);
 		PendingUsers.push_back (CPendingUser (cookie, userName, userPriv, userExtended, instanceId, charSlot));
-		reason = "";
+		reason.clear();

 		// callback if needed
 		if (NewCookieCallback != NULL)
@ -233,7 +233,7 @@ void cbShardValidation (CMessage &msgin, TSockId from, CCallbackNetBase &netbase
 	// if the cookie is not valid and we accept them, clear the error
 	if(AcceptInvalidCookie && !reason.empty())
 	{
-		reason = "";
+		reason.clear();
 		cookie.set (rand(), rand(), rand());
 	}

@ -425,7 +425,8 @@ void CLoginServer::addNewCookieCallback(TNewCookieCallback newCookieCb)

 string CLoginServer::isValidCookie (const CLoginCookie &lc, string &userName, string &userPriv, string &userExtended, uint32 &instanceId, uint32 &charSlot)
 {
-	userName = userPriv = "";
+	userName.clear();
+	userPriv.clear();

 	if (!AcceptInvalidCookie && !lc.isValid())
 		return "The cookie is invalid";
--- a/code/nel/src/net/message_recorder.cpp
+++ b/code/nel/src/net/message_recorder.cpp
@ -159,7 +159,7 @@ void CMessageRecorder::recordNext( sint64 updatecounter, TNetworkEvent event, TS
 void CMessageRecorder::stopRecord()
 {
 	_File.close();
-	_Filename = "";
+	_Filename.clear();
 }


@ -395,7 +395,7 @@ TNetworkEvent CMessageRecorder::replayConnectionAttempt( const CInetAddress& add
 void CMessageRecorder::stopReplay()
 {
 	_File.close();
-	_Filename = "";
+	_Filename.clear();
 }


--- a/code/nel/src/net/service.cpp
+++ b/code/nel/src/net/service.cpp
@ -1453,7 +1453,7 @@ sint IService::main (const char *serviceShortName, const char *serviceLongName,
 						}

 						if (dispName.empty())
-							str = "";
+							str.clear();
 						else
 							str = dispName + ": ";

--- a/code/nel/src/net/varpath.cpp
+++ b/code/nel/src/net/varpath.cpp
@ -167,7 +167,7 @@ void CVarPath::decode ()
 			if (val == "=")
 			{
 				srv += val + RawVarPath.substr (TokenPos);
-				var = "";
+				var.clear();
 			}
 			else
 				var = RawVarPath.substr (TokenPos);
--- a/code/nel/src/pacs/build_indoor.cpp
+++ b/code/nel/src/pacs/build_indoor.cpp
@ -631,7 +631,7 @@ bool	computeRetriever(CCollisionMeshBuild &cmb, CLocalRetriever &lr, CVector &tr
 	{
 		nlwarning("Edge issues reported !!");
 		uint	i;
-		error = "";
+		error.clear();
 		for (i=0; i<errors.size(); ++i)
 			error += errors[i]+"\n";
 		return false;
--- a/code/nel/src/sound/audio_mixer_user.cpp
+++ b/code/nel/src/sound/audio_mixer_user.cpp
@ -1770,7 +1770,7 @@ void				CAudioMixerUser::update()
 			str += tmp;
 		}
 		nldebug((string("Status1: ")+str).c_str());
-		str = "";
+		str.clear();
 		for (i=_NbTracks/2; i<_NbTracks; ++i)
 		{
 			sprintf(tmp, "[%2u]%8p ", i, _Tracks[i]->getSource());
--- a/code/nel/src/sound/context_sound.cpp
+++ b/code/nel/src/sound/context_sound.cpp
@ -160,7 +160,7 @@ void CContextSound::init()
 	uint	contextArgIndex[SoundContextNbArgs];
 	bool	useRandom = false;
 	bool	parseArg = false;
-	_BaseName = "";
+	_BaseName.clear();

 	//nldebug("Init the context sound %s", _PatternName.c_str());

@ -190,7 +190,7 @@ void CContextSound::init()
 					nlassertex(nbJoker < SoundContextNbArgs, ("Error will trying to play ContextSound '%s'", _Name.toString().c_str()/*CStringMapper::unmap(_Name).c_str()*/));
 					fromString(index, contextArgIndex[nbJoker++]);
 					parseArg = false;
-					index = "";
+					index.clear();
 				}
 			}
 			else if (*first == 'r')
--- a/code/nel/tools/3d/build_far_bank/build_far_bank.cpp
+++ b/code/nel/tools/3d/build_far_bank/build_far_bank.cpp
@ -271,7 +271,7 @@ int main (int argc, char **argv)
 						bool _256=(type==CTileBank::_256x256);

 						// Diffuse bitmap filled ?
-						if (pTile->getRelativeFileName (CTile::diffuse)!="")
+						if (!pTile->getRelativeFileName (CTile::diffuse).empty())
 						{
 							// File exist ?
 							string tileFilename = bank.getAbsPath()+CPath::standardizePath(pTile->getRelativeFileName (CTile::diffuse), false);
@ -302,7 +302,7 @@ int main (int argc, char **argv)
 						}

 						// Additive bitmap filled ?
-						if (pTile->getRelativeFileName (CTile::additive)!="")
+						if (!pTile->getRelativeFileName (CTile::additive).empty())
 						{
 							// File exist ?
 							string tileFilename = bank.getAbsPath()+CPath::standardizePath(pTile->getRelativeFileName (CTile::additive), false);
@ -333,7 +333,7 @@ int main (int argc, char **argv)
 						}

 						// Alpha bitmap filled ?
-						if (pTile->getRelativeFileName (CTile::alpha)!="")
+						if (!pTile->getRelativeFileName (CTile::alpha).empty())
 						{
 							// File exist ?
 							string tileFilename = bank.getAbsPath()+CPath::standardizePath(pTile->getRelativeFileName (CTile::alpha), false);
--- a/code/nel/tools/3d/cluster_viewer/view_cs.cpp
+++ b/code/nel/tools/3d/cluster_viewer/view_cs.cpp
@ -175,7 +175,6 @@ void LoadSceneScript (const char *ScriptName, CScene* pScene, vector<SDispCS> &D
 			if (ITemp != NULL)
 			{
 				SDispCS dcsTemp;
-				dcsTemp.Name = "";
 				for (sint32 i = 0; i < (1+nNbPlus); ++i)
 					dcsTemp.Name += "   ";
 				dcsTemp.Name += nameIG;
--- a/code/nel/tools/3d/ig_lighter/ig_lighter.cpp
+++ b/code/nel/tools/3d/ig_lighter/ig_lighter.cpp
@ -227,7 +227,7 @@ int main(int argc, char* argv[])
 			CGlobalRetriever	*globalRetriever= NULL;
 			uint32		grFileDate= 0;
 			uint32		rbankFileDate= 0;
-			if( grFile!="" && rbankFile!="" )
+			if( !grFile.empty() && !rbankFile.empty())
 			{
 				CIFile	fin;
 				// serial the retrieverBank. Exception if not found.
--- a/code/nel/tools/3d/object_viewer/animation_set_dlg.cpp
+++ b/code/nel/tools/3d/object_viewer/animation_set_dlg.cpp
@ -117,7 +117,7 @@ void CAnimationSetDlg::OnAddAnimation ()
 					c[path.GetLength()+1]=0;

 					// Path is empty
-					path = "";
+					path.Empty();
 				}
 				else
 				{
--- a/code/nel/tools/3d/object_viewer/create_file_dlg.cpp
+++ b/code/nel/tools/3d/object_viewer/create_file_dlg.cpp
@ -139,9 +139,9 @@ void CCreateFileDlg::OnOK()

 void CCreateFileDlg::OnCancel()
 {
-	_Filename = "";
-	_Path = "";
-	_FullPath = "";
+	_Filename.clear();
+	_Path.clear();
+	_FullPath.clear();
 	CDialog::OnCancel();
 }

--- a/code/nel/tools/3d/object_viewer/main_frame.cpp
+++ b/code/nel/tools/3d/object_viewer/main_frame.cpp
@ -652,7 +652,7 @@ void CMainFrame::OnFileOpen()
 			c[path.GetLength()+1]=0;

 			// Path is empty
-			path = "";
+			path.Empty();
 		}
 		else
 		{
@ -745,7 +745,7 @@ void CMainFrame::OnFileSaveconfig()
 	CFileDialog fileDlg( FALSE, _T(".ovcgf"), _T("*.ovcgf"), OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT, szFilter);
 	if (fileDlg.DoModal()==IDOK)
 	{		
-		ObjView->ParticleWorkspaceFilename = "";
+		ObjView->ParticleWorkspaceFilename.clear();
 		CParticleWorkspace *pw = ObjView->getParticleDialog()->getParticleWorkspace();
 		if (pw && pw->getNumNode() != 0)
 		{
--- a/code/nel/tools/3d/object_viewer/mesh_dlg.cpp
+++ b/code/nel/tools/3d/object_viewer/mesh_dlg.cpp
@ -166,7 +166,7 @@ void CMeshDlg::updateForMorph()
 		}
 		else
 		{
-			m_ShapeName = "";
+			m_ShapeName.Empty();
 		}
 	}
 	updateMeshErrorString();
--- a/code/nel/tools/3d/object_viewer/object_viewer.cpp
+++ b/code/nel/tools/3d/object_viewer/object_viewer.cpp
@ -1623,7 +1623,7 @@ void CObjectViewer::resetSlots (uint instance)

 	// Set no animation in slot UI
 	for (uint j=0; j<NL3D::CChannelMixer::NumAnimationSlot; j++)
-		_ListInstance[instance]->Saved.SlotInfo[j].Animation = "";
+		_ListInstance[instance]->Saved.SlotInfo[j].Animation.clear();

 	// Reset the animation list
 	_ListInstance[instance]->Saved.AnimationFileName.clear ();
@ -1743,7 +1743,7 @@ void CObjectViewer::serial (NLMISC::IStream& f)
 		{
 			if (ver <=3)
 			{			
-				ParticleWorkspaceFilename = "";
+				ParticleWorkspaceFilename.clear();
 			}
 			// First instance
 			uint firstInstance = (uint)_ListInstance.size();
@ -1786,9 +1786,9 @@ void CObjectViewer::serial (NLMISC::IStream& f)
 							{
 								// Add the mesh
 								if (readed[i].SkeletonId != 0xffffffff)
-									instance = addMesh (serialShape.getShapePointer(), readed[i].ShapeFilename.c_str(), readed[i].SkeletonId + firstInstance, (readed[i].BindBoneName=="")?NULL:readed[i].BindBoneName.c_str());
+									instance = addMesh (serialShape.getShapePointer(), readed[i].ShapeFilename.c_str(), readed[i].SkeletonId + firstInstance, (readed[i].BindBoneName.empty())?NULL:readed[i].BindBoneName.c_str());
 								else
-									instance = addMesh (serialShape.getShapePointer(), readed[i].ShapeFilename.c_str(), 0xffffffff, (readed[i].BindBoneName=="")?NULL:readed[i].BindBoneName.c_str());
+									instance = addMesh (serialShape.getShapePointer(), readed[i].ShapeFilename.c_str(), 0xffffffff, (readed[i].BindBoneName.empty())?NULL:readed[i].BindBoneName.c_str());
 							}
 						}
 						else
@ -2151,7 +2151,7 @@ uint CObjectViewer::addMesh (NL3D::IShape* pMeshShape, const std::string &meshNa
 			{
 				// Bind bone name
 				uint bindBone = 0xffffffff;
-				std::string boneName = "";
+				std::string boneName;

 				// Name is passed, look for bone 
 				if (bindSkelName)
@ -2400,7 +2400,7 @@ void CObjectViewer::setSingleAnimation (NL3D::CAnimation* pAnim, const std::stri

 		// Set the animation in the first slot
 		_ListInstance[instance]->Saved.SlotInfo[0].Animation = name;
-		_ListInstance[instance]->Saved.SlotInfo[0].Skeleton = "";
+		_ListInstance[instance]->Saved.SlotInfo[0].Skeleton.clear();
 		_ListInstance[instance]->Saved.SlotInfo[0].Offset = 0;
 		_ListInstance[instance]->Saved.SlotInfo[0].StartTime = (int)(pAnim->getBeginTime()*_AnimationDlg->Speed);
 		_ListInstance[instance]->Saved.SlotInfo[0].EndTime = (int)(pAnim->getEndTime()*_AnimationDlg->Speed);
@ -2978,7 +2978,7 @@ void		CObjectViewer::loadVegetableLandscapeCfg(NLMISC::CConfigFile &cf)
 	}
 	catch (const EUnknownVar &)
 	{
-		_VegetableTexture= "";
+		_VegetableTexture.clear();
 	}

 	// vegetable ambient
@ -3088,7 +3088,7 @@ bool		CObjectViewer::createVegetableLandscape()

 		try
 		{
-			if(_VegetableLandscapeTileBank=="")
+			if(_VegetableLandscapeTileBank.empty())
 			{
 				throw Exception("Landscape CFG not fully defined");
 			}
--- a/code/nel/tools/3d/object_viewer/particle_system_edit.cpp
+++ b/code/nel/tools/3d/object_viewer/particle_system_edit.cpp
@ -271,9 +271,9 @@ void CParticleSystemEdit::updatePrecomputedBBoxParams()
 	
 	if (!ew)
 	{
-		m_BBoxX = "";
-		m_BBoxY = "";
-		m_BBoxZ = "";
+		m_BBoxX.Empty();
+		m_BBoxY.Empty();
+		m_BBoxZ.Empty();
 	}
 	else
 	{
--- a/code/nel/tools/3d/object_viewer/particle_workspace.cpp
+++ b/code/nel/tools/3d/object_viewer/particle_workspace.cpp
@ -100,8 +100,8 @@ void CParticleWorkspace::CNode::stickPSToSkeleton(NL3D::CSkeletonModel *skel,
 void CParticleWorkspace::CNode::unstickPSFromSkeleton()
 {
 	nlassert(_WS);
-	_ParentSkelName = "";
-	_ParentBoneName = "";
+	_ParentSkelName.clear();
+	_ParentBoneName.clear();
 	if (!_PSM) return;
 	if (_ParentSkel)
 	{
--- a/code/nel/tools/3d/object_viewer/precomputed_rotations_dlg.cpp
+++ b/code/nel/tools/3d/object_viewer/precomputed_rotations_dlg.cpp
@ -85,7 +85,9 @@ void CPrecomputedRotationsDlg::updateFromReader(void)
 	}
 	else
 	{
-		m_NbModels = m_RotSpeedMin = m_RotSpeedMax = "";
+		m_NbModels.Empty();
+		m_RotSpeedMin.Empty();
+		m_RotSpeedMax.Empty();
 	}

 	UpdateData(FALSE);
--- a/code/nel/tools/3d/object_viewer/skeleton_scale_dlg.cpp
+++ b/code/nel/tools/3d/object_viewer/skeleton_scale_dlg.cpp
@ -502,7 +502,7 @@ void		CSkeletonScaleDlg::refreshTextViewWithScale(TScaleId sid, float scale, flo
 	// if different values selected, diff
 	if(diff)
 	{
-		*_ScaleEdits[sid]= "";
+		_ScaleEdits[sid]->Empty();
 	}
 	// else display text
 	else
--- a/code/nel/tools/3d/object_viewer/slot_dlg.cpp
+++ b/code/nel/tools/3d/object_viewer/slot_dlg.cpp
@ -420,7 +420,7 @@ void CSlotDlg::OnSetAnimation()
 			updateScrollBar ();
 		}
 		else
-			getSlotInformation ()->Animation = "";
+			getSlotInformation ()->Animation.clear();
 	}
 	refresh (TRUE);
 }
@ -444,7 +444,7 @@ void CSlotDlg::OnSetSkeleton()
 		if (select.Selection!=-1)
 			getSlotInformation ()->Skeleton = vectString[select.Selection].c_str();
 		else
-			getSlotInformation ()->Skeleton = "";
+			getSlotInformation ()->Skeleton.clear();

 		setWindowName ();
 		Invalidate ();
--- a/code/nel/tools/3d/object_viewer/start_stop_particle_system.cpp
+++ b/code/nel/tools/3d/object_viewer/start_stop_particle_system.cpp
@ -225,7 +225,7 @@ void CStartStopParticleSystem::updateUIFromState()
 		GetDlgItem(IDC_BROWSE_ANIM)->EnableWindow(FALSE);
 		GetDlgItem(IDC_DISPLAY_HELPERS)->EnableWindow(FALSE);
 		GetDlgItem(IDC_CLEAR_ANIM)->EnableWindow(FALSE);
-		m_TriggerAnim = "";
+		m_TriggerAnim.Empty();
 	}
 	else
 	{	
@ -1033,7 +1033,7 @@ void CStartStopParticleSystem::OnBrowseAnim()
 void CStartStopParticleSystem::OnClearAnim() 
 {
 	// TODO: Add your control notification handler code here
-	m_TriggerAnim = "";
+	m_TriggerAnim.Empty();
 	_ActiveNode->setTriggerAnim("");	
 	_ParticleDlg->ParticleTreeCtrl->updateCaption(*_ActiveNode);
 	UpdateData(FALSE);
--- a/code/nel/tools/3d/object_viewer/vegetable_dlg.cpp
+++ b/code/nel/tools/3d/object_viewer/vegetable_dlg.cpp
@ -293,7 +293,7 @@ void		CVegetableDlg::CVegetableDesc::initVegetable(const NL3D::CVegetable &veget
 void		CVegetableDlg::CVegetableDesc::updateVegetableName()
 {
 	// Build the vegetable Name according to the ShapeName
-	if(Vegetable->ShapeName=="")
+	if(Vegetable->ShapeName.empty())
 	{
 		VegetableName= NL_DefaultVegetName;
 	}
@ -385,7 +385,7 @@ void		CVegetableDlg::buildVegetableSet(NL3D::CTileVegetableDesc &vegetSet, bool
 	for(uint i=0;i<_Vegetables.size();i++)
 	{
 		// if don't want to keep <default> ShapeNames, skip them.
-		if(!keepDefaultShapeName && _Vegetables[i].Vegetable->ShapeName=="")
+		if(!keepDefaultShapeName && _Vegetables[i].Vegetable->ShapeName.empty())
 			continue;
 		// if don't want to keep hiden vegetables, skip them.
 		if(!keepHiden && !_Vegetables[i].Visible)
--- a/code/nel/tools/3d/object_viewer/vegetable_dlg.h
+++ b/code/nel/tools/3d/object_viewer/vegetable_dlg.h
@ -147,7 +147,7 @@ protected:
 	bool			loadVegetableSet(NL3D::CTileVegetableDesc &vegetSet, const TCHAR *title);
 	/** build the vegetSet from the current _Vegetables
 	 * NB: transform Rotate Angle in Radians.
-	 * \param keepDefaultShapeName if true, then vegetables with a ShapeName=="" are kept.
+	 * \param keepDefaultShapeName if true, then vegetables with a ShapeName.empty() are kept.
 	 * \param keepHiden if true, then vegetables maked as hiden in ObjectViewer are kept.
 	 */
 	void			buildVegetableSet(NL3D::CTileVegetableDesc &vegetSet, bool keepDefaultShapeName= true, bool keepHiden= true );
--- a/code/nel/tools/3d/object_viewer_widget/src/object_viewer_widget.cpp
+++ b/code/nel/tools/3d/object_viewer_widget/src/object_viewer_widget.cpp
@ -502,7 +502,7 @@ namespace NLQT
 		// load and set search paths from config
 		//Modules::config().configSearchPaths();

-		_CurrentInstance = "";
+		_CurrentInstance.clear();

 		nlinfo("Scene cleared");
 	}
--- a/code/nel/tools/3d/plugin_max/nel_export/nel_export_node_properties.cpp
+++ b/code/nel/tools/3d/plugin_max/nel_export/nel_export_node_properties.cpp
@ -2650,7 +2650,7 @@ void CNelExport::OnNodeProperties (const std::set<INode*> &listNode)
 		{
 			// Get a string
 			std::string nameLod=CExportNel::getScriptAppData (node, NEL3D_APPDATA_LOD_NAME+name, "");
-			if (nameLod!="")
+			if (!nameLod.empty())
 			{
 				param.ListLodName.push_back (nameLod);
 			}
@ -2854,7 +2854,7 @@ void CNelExport::OnNodeProperties (const std::set<INode*> &listNode)
 				param.SoundGroup = DIFFERENT_VALUE_STRING;
 			if (CExportNel::getScriptAppData(node, NEL3D_APPDATA_ENV_FX, "no fx") != param.EnvironmentFX)
 			{
-				param.EnvironmentFX = "";
+				param.EnvironmentFX.clear();
 			}

 			if ( param.LightGroup != CExportNel::getScriptAppData (node, NEL3D_APPDATA_LM_LIGHT_GROUP, 0) )
@ -2871,7 +2871,7 @@ void CNelExport::OnNodeProperties (const std::set<INode*> &listNode)
 			if (CExportNel::getScriptAppData (node, NEL3D_APPDATA_IGNAME, "")!=param.InstanceGroupName)
 				param.InstanceGroupName = DIFFERENT_VALUE_STRING;
 			if (CExportNel::getScriptAppData (node, NEL3D_APPDATA_INTERFACE_FILE, "")!=param.InterfaceFileName)
-				param.InterfaceFileName = "";
+				param.InterfaceFileName.clear();
 			if (CExportNel::getScriptAppData (node, NEL3D_APPDATA_INTERFACE_THRESHOLD, 0.1f)!=param.InterfaceThreshold)
 				param.InterfaceThreshold = -1;
 			if (CExportNel::getScriptAppData (node, NEL3D_APPDATA_GET_INTERFACE_NORMAL_FROM_SCENE_OBJECTS, 0)!=param.GetInterfaceNormalsFromSceneObjects)
@ -2942,7 +2942,7 @@ void CNelExport::OnNodeProperties (const std::set<INode*> &listNode)
 			{
 				// Get a string
 				std::string nameLod=CExportNel::getScriptAppData (node, NEL3D_APPDATA_LOD_NAME+name, "");
-				if (nameLod!="")
+				if (!nameLod.empty())
 				{
 					tmplist.push_back (nameLod);
 				}
--- a/code/nel/tools/3d/plugin_max/nel_export/nel_export_view.cpp
+++ b/code/nel/tools/3d/plugin_max/nel_export/nel_export_view.cpp
@ -369,7 +369,7 @@ void CNelExport::viewMesh (TimeValue time)
 			string sTmp = "Object Name: ";
 			sTmp += pNode->GetName();
 			ProgBar.setLine (0, sTmp);
-			sTmp = "";
+			sTmp.clear();
 			for (uint32 i = 1; i < 10; ++i) 
 				ProgBar.setLine (i, sTmp);
 			sTmp = "Last Error";
@ -582,8 +582,8 @@ void CNelExport::viewMesh (TimeValue time)
 					NLMISC::clamp(slInfo.CellSurfaceLightSize, 0.001f, 1000000.f);
 					slInfo.CellRaytraceDeltaZ= theExportSceneStruct.SurfaceLightingDeltaZ;
 					// no more add any prefix to the colision identifier.
-					slInfo.ColIdentifierPrefix= "";
-					slInfo.ColIdentifierSuffix= "";
+					slInfo.ColIdentifierPrefix.clear();
+					slInfo.ColIdentifierSuffix.clear();
 					// Build RetrieverBank and GlobalRetriever from collisions in scene
 					_ExportNel->computeCollisionRetrieverFromScene(time, slInfo.RetrieverBank, slInfo.GlobalRetriever, 
 						slInfo.ColIdentifierPrefix.c_str(), slInfo.ColIdentifierSuffix.c_str(), slInfo.IgFileName);
--- a/code/nel/tools/3d/plugin_max/nel_export/progress.cpp
+++ b/code/nel/tools/3d/plugin_max/nel_export/progress.cpp
@ -66,7 +66,7 @@ INT_PTR CALLBACK CalculatingDialogCallback (
 				SendMessage (GetDlgItem (hwndDlg, IDC_STATICTIMELEFT), WM_SETTEXT, 0, (long)temp);
 				SendMessage (GetDlgItem (hwndDlg, IDC_BUTTONCANCEL), WM_PAINT, 0, 0);
 			}
-			string all = "";
+			string all;
 			for (uint32 i = 0; i < 14; ++i)
 				all += pClass->sInfoProgress[i] + "\n";
 			SendMessage (GetDlgItem (hwndDlg, IDC_STATICINFO), WM_SETTEXT, 0, (long)all.c_str());
--- a/code/nel/tools/3d/plugin_max/nel_mesh_lib/calc_lm.cpp
+++ b/code/nel/tools/3d/plugin_max/nel_mesh_lib/calc_lm.cpp
@ -2436,7 +2436,7 @@ bool CExportNel::calculateLM( CMesh::CMeshBuild *pZeMeshBuild, CMeshBase::CMeshB
 		{
 			string sTmp = "Placement";
 			gOptions.FeedBack->setLine (3, sTmp);
-			sTmp = "";
+			sTmp.clear();
 			for(i=4;i<10;++i)
 				gOptions.FeedBack->setLine (i, sTmp);
 			gOptions.FeedBack->update ();
--- a/code/nel/tools/3d/plugin_max/nel_mesh_lib/export_collision.cpp
+++ b/code/nel/tools/3d/plugin_max/nel_mesh_lib/export_collision.cpp
@ -391,7 +391,7 @@ void	CExportNel::computeCollisionRetrieverFromScene(TimeValue time,
 	// Default: empty retrieverBank/globalRetriever
 	retrieverBank= NULL;
 	globalRetriever= NULL;
-	retIgName= "";
+	retIgName.clear();

 	// get list of nodes from scene
 	std::vector<INode*>	nodes;
--- a/code/nel/tools/3d/plugin_max/nel_mesh_lib/export_misc.cpp
+++ b/code/nel/tools/3d/plugin_max/nel_mesh_lib/export_misc.cpp
@ -946,11 +946,11 @@ std::string		CExportNel::getAnimatedLight (INode *node)
 {
 	std::string		ret = CExportNel::getScriptAppData (node, NEL3D_APPDATA_LM_ANIMATED_LIGHT, NEL3D_APPDATA_LM_ANIMATED_LIGHT_DEFAULT);
 	if (ret == "Sun")
-		ret = "";
+		ret.clear();
 	if (ret == "GlobalLight")
-		ret = "";
+		ret.clear();
 	if (ret == "(Use NelLight Modifier)")
-		ret = "";
+		ret.clear();

 	return ret;
 }
--- a/code/nel/tools/3d/plugin_max/nel_mesh_lib/export_scene.cpp
+++ b/code/nel/tools/3d/plugin_max/nel_mesh_lib/export_scene.cpp
@ -715,7 +715,7 @@ void CExportNel::buildScene (NL3D::CScene &scene, NL3D::CShapeBank &shapeBank, I
 			sTmp += pNode->GetName();
 			if (progress)
 				progress->setLine (0, sTmp);
-			sTmp = "";
+			sTmp.clear();
 			for (uint32 i = 1; i < 10; ++i) 
 			{
 				if (progress)
--- a/code/nel/tools/3d/plugin_max/nel_patch_converter/script.cpp
+++ b/code/nel/tools/3d/plugin_max/nel_patch_converter/script.cpp
@ -1627,7 +1627,7 @@ load_bank_cf(Value** arg_list, int count)
 	// Check to see if the arguments match up to what we expect
 	// We want to use 'TurnAllTexturesOn <object to use>'
 	std::string bankName = GetBankPathName ();
-	if (bankName!="")
+	if (!bankName.empty())
 	{
 		try
 		{
--- a/code/nel/tools/3d/plugin_max/nel_patch_lib/nel_patch_mesh.h
+++ b/code/nel/tools/3d/plugin_max/nel_patch_lib/nel_patch_mesh.h
@ -434,7 +434,6 @@ class CBankManager
 public:
 	CBankManager ()
 	{
-		_lastPath="";
 	}
 	const NL3D::CTileBank& getBank (std::string& path=GetBankPathName ())
 	{
--- a/code/nel/tools/3d/plugin_max/nel_patch_lib/rpo2nel.cpp
+++ b/code/nel/tools/3d/plugin_max/nel_patch_lib/rpo2nel.cpp
@ -175,7 +175,7 @@ bool RPatchMesh::exportZone(INode* pNode, PatchMesh* pPM, NL3D::CZone& zone, CZo

 		// Get the bank name
 		std::string sName=GetBankPathName ();
-		if (sName!="")
+		if (!sName.empty())
 		{
 			// Open the bank
 			CIFile file;
--- a/code/nel/tools/3d/plugin_max/nel_patch_paint/paint.cpp
+++ b/code/nel/tools/3d/plugin_max/nel_patch_paint/paint.cpp
@ -3979,7 +3979,7 @@ void EPM_PaintCMode::DoPaint ()


 		std::string sName=GetBankPathName ();
-		if (sName!="")
+		if (!sName.empty())
 		{
 			CIFile file;
 			if (file.open (sName))
--- a/code/nel/tools/3d/plugin_max/nel_patch_paint/paint_ui.cpp
+++ b/code/nel/tools/3d/plugin_max/nel_patch_paint/paint_ui.cpp
@ -168,7 +168,7 @@ void CTileSetCont::build (CTileBank& bank, uint tileSet)
 		std::string fileName=bank.getAbsPath()+bank.getTile (set->getTile128(0))->getRelativeFileName (CTile::diffuse);

 		// Valid name?
-		if (fileName!="")
+		if (!fileName.empty())
 		{
 			// Create it
 			MainBitmap=new CTextureFile (fileName);
@ -193,7 +193,7 @@ void CTileSetCont::build (CTileBank& bank, uint tileSet)
 				std::string fileName=bank.getAbsPath()+pTile->getRelativeFileName (CTile::diffuse);

 				// Valid name?
-				if (fileName!="")
+				if (!fileName.empty())
 				{
 					// Create it
 					if (GroupBitmap[group]==NULL)
@ -218,7 +218,7 @@ void CTileSetCont::build (CTileBank& bank, uint tileSet)
 				std::string fileName=bank.getAbsPath()+pTile->getRelativeFileName (CTile::diffuse);

 				// Valid name?
-				if (fileName!="")
+				if (!fileName.empty())
 				{
 					// Create it
 					if (GroupBitmap[group]==NULL)
@ -250,10 +250,10 @@ void CTileSetCont::build (CTileBank& bank, uint tileSet)
 		// Get the name
 		std::string fileName = bank.getDisplacementMap(dispTile);
 		if (fileName=="EmptyDisplacementMap")
-			fileName="";
+			fileName.clear();

 		// Valid name?
-		if (fileName!="")
+		if (!fileName.empty())
 		{
 			// Create it
 			DisplaceBitmap[displace]=new CTextureFile (bank.getAbsPath()+fileName);
--- a/code/nel/tools/3d/plugin_max/tile_utility/tile_utility.cpp
+++ b/code/nel/tools/3d/plugin_max/tile_utility/tile_utility.cpp
@ -443,7 +443,7 @@ bool Tile_utility::SetupMaterial () const
 			mtl->SetShininess (0.0, t);
 			mtl->SetSpecular (Color (0,0,0), t);

-			if ((tile->getRelativeFileName(CTile::diffuse)!="")||(tile->getRelativeFileName(CTile::additive)!=""))
+			if (!tile->getRelativeFileName(CTile::diffuse).empty() || !tile->getRelativeFileName(CTile::additive).empty())
 			{
 				bActive=true;
 				Texmap* rgb=(Texmap*)GetRGBAddDesc()->Create (FALSE);
@ -452,7 +452,7 @@ bool Tile_utility::SetupMaterial () const
 				mtl->SetSubTexmap (ID_DI, rgb);
 				mtl->SubTexmapOn (ID_DI);

-				if (tile->getRelativeFileName(CTile::diffuse)!="")
+				if (!tile->getRelativeFileName(CTile::diffuse).empty())
 				{
 					// New BitmapTex
 					BitmapTex* tex=NewDefaultBitmapTex();
@ -472,7 +472,7 @@ bool Tile_utility::SetupMaterial () const
 					mtl->NotifyDependents(FOREVER, PART_ALL, REFMSG_CHANGE);
 				}

-				if (tile->getRelativeFileName(CTile::additive)!="")
+				if (!tile->getRelativeFileName(CTile::additive).empty())
 				{
 					// New BitmapTex
 					BitmapTex* tex=NewDefaultBitmapTex();
--- a/code/nel/tools/3d/tile_edit/Browse.cpp
+++ b/code/nel/tools/3d/tile_edit/Browse.cpp
@ -546,7 +546,7 @@ unsigned long Browse::MyControllingFunction( void* pParam )
 						rot = tileBank2.getTile (index)->getRotAlpha ();
 				}
 				else
-					path = "";
+					path.clear();
 			}
 			break;
 		case 3:
@ -576,7 +576,7 @@ unsigned long Browse::MyControllingFunction( void* pParam )
 			break;
 		}

-		if ((path!="") && _LoadBitmap(tileBank2.getAbsPath() + path, pBmp, *bits, pAlpha, rot))
+		if (!path.empty() && _LoadBitmap(tileBank2.getAbsPath() + path, pBmp, *bits, pAlpha, rot))
 		{			
 			*ld=1;
 			int iFV,iLV; br->m_ctrl.GetVisibility(iFV, iLV, br->m_128x128);
@ -633,7 +633,7 @@ void Browse::Init()
 		value=256;
 		type=REG_SZ;
 		if (RegQueryValueEx(regkey,REGKEY_LASTPATH,0,&type,(unsigned char *)&sWindowpl,&value)!=ERROR_SUCCESS)
-			m_ctrl.LastPath="";
+			m_ctrl.LastPath.clear();
 		else
 			m_ctrl.LastPath=(const char*)sWindowpl;
 		value=4;
@ -916,7 +916,7 @@ void Browse::OnBatchLoad ()

 				// Transition to patch
 				CTileSetTransition* trans=tileBank2.getTileSet (land)->getTransition (transition);
-				if (tileBank2.getTile (trans->getTile())->getRelativeFileName (CTile::alpha)=="")
+				if (tileBank2.getTile (trans->getTile())->getRelativeFileName (CTile::alpha).empty())
 				{
 					// Continue ?
 					int ok;
@ -958,7 +958,7 @@ void Browse::OnBatchLoad ()

 				// Transition to patch
 				CTileSetTransition* trans=tileBank2.getTileSet (land)->getTransition (transition);
-				if (tileBank2.getTile (trans->getTile())->getRelativeFileName (m_ctrl.Texture==1?CTile::diffuse:CTile::additive)=="")
+				if (tileBank2.getTile (trans->getTile())->getRelativeFileName (m_ctrl.Texture==1?CTile::diffuse:CTile::additive).empty())
 				{
 					// Try to load a tile with a file name like /tiletransition0.tga
 					char sName2[256];
--- a/code/nel/tools/3d/tile_edit/SelectionTerritoire.cpp
+++ b/code/nel/tools/3d/tile_edit/SelectionTerritoire.cpp
@ -577,7 +577,7 @@ void SelectionTerritoire::OnPath()
 							const std::string& bitmapPath=tileBank.getTile(tiles)->getRelativeFileName ((CTile::TBitmap)type);

 							// not empty ?
-							if (bitmapPath!="")
+							if (!bitmapPath.empty())
 							{
 								// Check the path
 								if (CheckPath (bitmapPath, path)==false)
@ -648,7 +648,7 @@ void SelectionTerritoire::OnPath()
 								std::string bitmapPath=tileBank.getTile(tiles)->getRelativeFileName ((CTile::TBitmap)type);

 								// not empty ?
-								if (bitmapPath!="")
+								if (!bitmapPath.empty())
 								{
 									// Remove the absolute path
 									bool res=RemovePath (bitmapPath, path);
@ -668,7 +668,7 @@ void SelectionTerritoire::OnPath()
 						std::string bitmapPath=tileBank.getDisplacementMap (noise);

 						// not empty ?
-						if (bitmapPath!="")
+						if (!bitmapPath.empty())
 						{
 							// Remove the absolute path
 							bool res=RemovePath (bitmapPath, path);
--- a/code/nel/tools/3d/tile_edit/View.cpp
+++ b/code/nel/tools/3d/tile_edit/View.cpp
@ -432,7 +432,7 @@ int TileList::setDisplacement (int tile, const std::string& name)
 	if (RemovePath (troncated, tileBank2.getAbsPath ().c_str()))
 	{
 		// load it
-		if (troncated!="")
+		if (!troncated.empty())
 		{
 			// not loaded
 			theListDisplacement[tile].loaded=0;
@ -670,7 +670,7 @@ const std::string& TileInfo::getRelativeFileName (CTile::TBitmap type, int index
 bool TileInfo::Load (int index, std::vector<NLMISC::CBGRA>* Alpha)
 {
 	bool bRes=true;
-	if (!loaded && getRelativeFileName (CTile::diffuse, index)!="")
+	if (!loaded && !getRelativeFileName (CTile::diffuse, index).empty())
 	{
 		if (!_LoadBitmap(tileBank2.getAbsPath() + getRelativeFileName (CTile::diffuse, index), &BmpInfo, Bits, Alpha, 0))
 		{
@ -680,7 +680,7 @@ bool TileInfo::Load (int index, std::vector<NLMISC::CBGRA>* Alpha)
 		else
 			loaded=1;
 	}
-	if (!nightLoaded && getRelativeFileName (CTile::additive, index)!="")
+	if (!nightLoaded && !getRelativeFileName (CTile::additive, index).empty())
 	{
 		if (!_LoadBitmap(tileBank2.getAbsPath() + getRelativeFileName (CTile::additive, index), &nightBmpInfo, nightBits, Alpha, 0))
 		{
@ -690,7 +690,7 @@ bool TileInfo::Load (int index, std::vector<NLMISC::CBGRA>* Alpha)
 		else
 			nightLoaded=1;
 	}
-	if (!alphaLoaded && getRelativeFileName (CTile::alpha, index)!="")
+	if (!alphaLoaded && !getRelativeFileName (CTile::alpha, index).empty())
 	{
 		if (!_LoadBitmap(tileBank2.getAbsPath() + getRelativeFileName (CTile::alpha, index), &alphaBmpInfo, alphaBits, NULL, 
 			tileBank2.getTile (index)->getRotAlpha ()))
@ -1205,7 +1205,7 @@ void CTView::DrawTile(tilelist::iterator i,CDC *pDC,int clear, int n)
 			if (index!=-1)
 				pth = i->getRelativeFileName ((CTile::TBitmap)(Texture-1), index);
 			else
-				pth = "";
+				pth.clear();
 		}
 		break;
 	case 3:
--- a/code/nel/tools/3d/tile_edit/choose_veget_set.cpp
+++ b/code/nel/tools/3d/tile_edit/choose_veget_set.cpp
@ -77,8 +77,8 @@ BOOL CChooseVegetSet::OnInitDialog()
 {
 	CDialog::OnInitDialog();
 	
-	if (FileName != "")
-		Name.SetWindowText (FileName.c_str());
+	if (!FileName.empty())
+		Name.SetWindowText (utf8ToTStr(FileName));
 	else
 		Name.SetWindowText ("Browse...");

@ -88,6 +88,6 @@ BOOL CChooseVegetSet::OnInitDialog()

 void CChooseVegetSet::OnReset() 
 {
-	FileName = "";
-	Name.SetWindowText ("Browse...");
+	FileName.clear();
+	Name.SetWindowText (_T("Browse..."));
 }
--- a/code/nel/tools/3d/tile_edit_qt/browser_model.cpp
+++ b/code/nel/tools/3d/tile_edit_qt/browser_model.cpp
@ -149,7 +149,7 @@ void TileInfo::Init(int id, TileType tileType)
 bool TileInfo::Load (int index, std::vector<NLMISC::CBGRA>* Alpha)
 {
 	bool bRes=true;
-	if (!loaded && getRelativeFileName (Diffuse, index)!="")
+	if (!loaded && !getRelativeFileName (Diffuse, index).empty())
 	{
 		path = fixPath(tileBankBrowser.getAbsPath() + getRelativeFileName (Diffuse, index));
 		
@ -164,7 +164,7 @@ bool TileInfo::Load (int index, std::vector<NLMISC::CBGRA>* Alpha)
 		else
 			loaded=1;
 	}
-	if (!nightLoaded && getRelativeFileName (Additive, index)!="")
+	if (!nightLoaded && !getRelativeFileName (Additive, index).empty())
 	{
 		nightPath = fixPath(tileBankBrowser.getAbsPath() + getRelativeFileName (Additive, index));
 		if (!loadPixmapBuffer( nightPath, nightBits, Alpha, 0))
@ -175,7 +175,7 @@ bool TileInfo::Load (int index, std::vector<NLMISC::CBGRA>* Alpha)
 		else
 			nightLoaded=1;
 	}
-	if (!alphaLoaded && getRelativeFileName (::Alpha, index)!="")
+	if (!alphaLoaded && !getRelativeFileName (::Alpha, index).empty())
 	{
 		alphaPath = fixPath(tileBankBrowser.getAbsPath() + getRelativeFileName (::Alpha, index));
 		if (!loadPixmapBuffer( alphaPath, alphaBits, NULL, tileBankBrowser.getTile (index)->getRotAlpha ()))
@ -234,7 +234,7 @@ const std::string TileInfo::getRelativeFileName (TileTexture texture, int index)

 			//TODO titegus: remove MAGIC STRING "EmptyDisplacementMap" in Nel \tile_bank.cpp\void CTileNoise::setEmpty () or add an IsEmpty() method !!!!
 			if (currentPath == "EmptyDisplacementMap")
-				currentPath = "";
+				currentPath.clear();
 		}	
 	}

--- a/code/nel/tools/3d/tile_edit_qt/tile_browser_dlg.cpp
+++ b/code/nel/tools/3d/tile_edit_qt/tile_browser_dlg.cpp
@ -421,7 +421,7 @@ void CTile_browser_dlg::on_batchLoadPushButton_clicked()

 				// Transition to patch
 				CTileSetTransition* trans=tileBankBrowser.getTileSet (tileSetIndex)->getTransition (transition);
-				if (tileBankBrowser.getTile (trans->getTile())->getRelativeFileName (CTile::alpha)=="")
+				if (tileBankBrowser.getTile (trans->getTile())->getRelativeFileName (CTile::alpha).empty())
 				{
 					// Continue ?
 					int ok;
@ -465,7 +465,7 @@ void CTile_browser_dlg::on_batchLoadPushButton_clicked()

 				// Transition to patch
 				//CTileSetTransition* trans=tileBankBrowser.getTileSet (tileSetIndex)->getTransition (transition);
-				//if (tileBankBrowser.getTile (trans->getTile())->getRelativeFileName ((CTile::TBitmap)tileTextureButtonGroup->checkedId())=="")
+				//if (tileBankBrowser.getTile (trans->getTile())->getRelativeFileName ((CTile::TBitmap)tileTextureButtonGroup->checkedId()).empty())
 				//{
 				//	// Try to load a tile with a file name like /tiletransition0.tga
 				//	char sName2[256];
--- a/code/nel/tools/3d/tile_edit_qt/tile_edit_dlg.cpp
+++ b/code/nel/tools/3d/tile_edit_qt/tile_edit_dlg.cpp
@ -514,7 +514,7 @@ void CTile_edit_dlg::on_absolutePathPushButton_clicked()
 							const std::string& bitmapPath=tileBank.getTile(tiles)->getRelativeFileName ((CTile::TBitmap)type);

 							// not empty ?
-							if (bitmapPath!="")
+							if (!bitmapPath.empty())
 							{
 								// Check the path
 								if ( CheckPath( bitmapPath, path.toUtf8() ) == false )
@ -583,7 +583,7 @@ void CTile_edit_dlg::on_absolutePathPushButton_clicked()
 								std::string bitmapPath=tileBank.getTile(tiles)->getRelativeFileName ((CTile::TBitmap)type);

 								// not empty ?
-								if (bitmapPath!="")
+								if (!bitmapPath.empty())
 								{
 									// Remove the absolute path
 									bool res=RemovePath (bitmapPath, path.toUtf8());
@ -603,7 +603,7 @@ void CTile_edit_dlg::on_absolutePathPushButton_clicked()
 						std::string bitmapPath=tileBank.getDisplacementMap (noise);

 						// not empty ?
-						if (bitmapPath!="")
+						if (!bitmapPath.empty())
 						{
 							// Remove the absolute path
 							bool res=RemovePath (bitmapPath, path.toUtf8());
--- a/code/nel/tools/3d/zviewer/zviewer.cpp
+++ b/code/nel/tools/3d/zviewer/zviewer.cpp
@ -135,7 +135,6 @@ struct CViewerConfig
 		LandscapeThreshold = 0.001f;
 		LandscapeNoise = true;

-		HeightFieldName= "";
 		HeightFieldMaxZ= 100;
 		HeightFieldOriginX= 16000;
 		HeightFieldOriginY= -24000;
@ -344,7 +343,7 @@ void displayZones()
 	CBitmap		heightBitmap;
 	CIFile file(ViewerCfg.HeightFieldName);

-	if( ViewerCfg.HeightFieldName!="" && heightBitmap.load(file) )
+	if( !ViewerCfg.HeightFieldName.empty() && heightBitmap.load(file) )
 	{
 		CHeightMap	heightMap;
 		heightMap.buildFromBitmap(heightBitmap);
@ -373,7 +372,7 @@ void displayZones()
 		nlerror (tmp.c_str());
 	}

-	if ((Landscape->Landscape.TileBank.getAbsPath ()=="")&&(ViewerCfg.TilesPath!=""))
+	if ((Landscape->Landscape.TileBank.getAbsPath ().empty())&&(!ViewerCfg.TilesPath.empty()))
 		Landscape->Landscape.TileBank.setAbsPath (ViewerCfg.TilesPath + "/");

 	if (ViewerCfg.UseDDS)
--- a/code/nel/tools/georges/georges2csv/georges2csv.cpp
+++ b/code/nel/tools/georges/georges2csv/georges2csv.cpp
@ -933,7 +933,7 @@ void	convertCsvFile( const string &file, bool generate, const string& sheetType
 						if ( idm==dirmapDirs.end() )
 						{
 							nlinfo( "Directory mapping not found for %s (index %u)", filebase.c_str(), letterIndex );
-							dirbase = ""; // put into root
+							dirbase.clear(); // put into root
 						}
 					}
 					else
@ -953,7 +953,7 @@ void	convertCsvFile( const string &file, bool generate, const string& sheetType
 		{

 			// Load sheet (skip if failed)
-			dirbase = "";
+			dirbase.clear();
 			filename = (*it).second; // whole path
 			form = (CForm*)formLoader->loadForm( filename.c_str() );
 			if (form == NULL)
--- a/code/nel/tools/misc/branch_patcher/branch_patcherDlg.cpp
+++ b/code/nel/tools/misc/branch_patcher/branch_patcherDlg.cpp
@ -688,8 +688,8 @@ void CBranch_patcherDlg::OnButtonExtractTokens()
 		m_TargetDirLabel = "Target Dir";
 		m_SrcDir = SrcDirBackup;
 		m_DestDir = TargetDirBackup;
-		m_Filename = "";
-		((CButton*)GetDlgItem( IDC_ButtonExtractTokens ))->SetWindowText( "Enter Tokens" );
+		m_Filename.Empty();
+		((CButton*)GetDlgItem( IDC_ButtonExtractTokens ))->SetWindowText( _T("Enter Tokens") );
 		GetDlgItem( IDC_TopText )->ShowWindow( SW_SHOW );
 		GetDlgItem( IDC_ButtonClearTokens )->EnableWindow( TRUE );
 		GetDlgItem( IDC_ButtonPatch )->ShowWindow( SW_SHOW );
@ -703,8 +703,8 @@ void CBranch_patcherDlg::OnButtonExtractTokens()

 void CBranch_patcherDlg::OnButtonClearTokens() 
 {
-	Token1 = "";
-	Token2 = "";
+	Token1.Empty();
+	Token2.Empty();
 	displayTokens();
 }

--- a/code/nel/tools/misc/log_analyser/log_analyserDlg.cpp
+++ b/code/nel/tools/misc/log_analyser/log_analyserDlg.cpp
@ -517,7 +517,7 @@ CViewDialog *CLog_analyserDlg::onAddCommon( const vector<CString>& filenames )
 		view->Filenames = filenames;
 	}

-	view->LogSessionStartDate = "";
+	view->LogSessionStartDate.Empty();
 	LogSessionsDialog.clear();

 	if ( ((CButton*)GetDlgItem( IDC_CheckSessions ))->GetCheck() == 1 )
--- a/code/ryzom/client/src/bg_downloader_access.cpp
+++ b/code/ryzom/client/src/bg_downloader_access.cpp
@ -213,7 +213,7 @@ void CBGDownloaderAccess::resumeBackgroundDownload()
 //=====================================================
 void CBGDownloaderAccess::CDownloadCoTask::run()
 {
-	Parent->_ErrorMsg = "";
+	Parent->_ErrorMsg.clear();
 	try
 	{
 		// don't restart downloader before
--- a/code/ryzom/client/src/character_cl.cpp
+++ b/code/ryzom/client/src/character_cl.cpp
@ -183,7 +183,7 @@ extern UCamera					MainCam;
 ////////////
 // STATIC //
 ////////////
-const std::string CCharacterCL::_EmptyString = "";
+const std::string CCharacterCL::_EmptyString;
 const uint8	 CCharacterCL::_BadHairIndex = 0xFF;

 H_AUTO_DECL ( RZ_Client_Character_CL_Update_Pos_Combat_Float )
--- a/code/ryzom/client/src/client_sheets/race_stats_sheet.cpp
+++ b/code/ryzom/client/src/client_sheets/race_stats_sheet.cpp
@ -38,7 +38,7 @@ using namespace std;
 /////////////
 // METHODS //
 /////////////
-const string CGenderInfo::UnknownItemName = "";
+const string CGenderInfo::UnknownItemName;

 // description of a visual slot that must be read by CGenderInfo
 struct	CSlotInfo
--- a/code/ryzom/client/src/client_sheets/unblock_titles_sheet.cpp
+++ b/code/ryzom/client/src/client_sheets/unblock_titles_sheet.cpp
@ -44,7 +44,7 @@ static void tokenize (const string &zeString, vector<string> &tokens)
 		if ((nextseppos1 == string::npos) && (nextseppos2 == string::npos))
 		{
 			tokens.push_back(sTmp);
-			sTmp = "";
+			sTmp.clear();
 		}
 		else
 		{
--- a/code/ryzom/client/src/commands.cpp
+++ b/code/ryzom/client/src/commands.cpp
@ -5236,7 +5236,7 @@ bool CUserCommand::execute(const std::string &/* rawCommandString */, const std:
 	{
 		// Build the final string
 		static string finalArgs;
-		finalArgs = "";
+		finalArgs.clear();
 		uint i;
 		uint index = 0;
 		const vector<string> &keywords = mode->Keywords;
--- a/code/ryzom/client/src/connection.cpp
+++ b/code/ryzom/client/src/connection.cpp
@ -1976,7 +1976,7 @@ public:
 					}
 				}

-				NewKeysCharNameValidated = "";
+				NewKeysCharNameValidated.clear();

 				NetMngr.push(out);
 				NetMngr.send(NetMngr.getCurrentServerTick());
@ -2304,8 +2304,8 @@ public:

 	virtual void execute (CCtrlBase * /* pCaller */, const string &/* Params */)
 	{
-		NewKeysCharNameWanted = "";
-		NewKeysCharNameValidated = "";
+		NewKeysCharNameWanted.clear();
+		NewKeysCharNameValidated.clear();
 		GameKeySet = "keys.xml";
 		RingEditorKeySet = "keys_r2ed.xml";
 		First = true;
@ -3121,10 +3121,10 @@ class CAHLoadScenario : public IActionHandler
 			launchScenarioFromRingAccessPoint = true;
 		}

-		string rules="", level="", title="";
-		string initialIsland="", initialEntryPoint="", initialSeason = "";
-		std::string lang="", scenarioType="";
-		std::string otherCharAccess="";
+		string rules, level, title;
+		string initialIsland, initialEntryPoint, initialSeason;
+		std::string lang, scenarioType;
+		std::string otherCharAccess;
 		std::string nevraxScenario = "0";
 		std::string trialAllowed = "0";
 		for(uint i=0; i<values.size(); i++)
--- a/code/ryzom/client/src/contextual_cursor.cpp
+++ b/code/ryzom/client/src/contextual_cursor.cpp
@ -170,5 +170,5 @@ bool CContextualCursor::context(const std::string &contextName, float dist, cons
 void CContextualCursor::release()
 {
 	_Contexts.clear ();
-	_Context = "";
+	_Context.clear();
 }
--- a/code/ryzom/client/src/entity_cl.cpp
+++ b/code/ryzom/client/src/entity_cl.cpp
@ -183,7 +183,7 @@ bool CEntityCL::SInstanceCL::createLoading(const string &strShapeName, const str
 	if(!Loading.empty())
 	{
 		Scene->deleteInstance(Loading);
-		LoadingName = "";
+		LoadingName.clear();
 	}

 	// if the new instance is NULL, then clean ALL
@ -193,7 +193,7 @@ bool CEntityCL::SInstanceCL::createLoading(const string &strShapeName, const str
 		{
 			releaseStaticFXs();
 			Scene->deleteInstance(Current);
-			CurrentName = "";
+			CurrentName.clear();
 		}
 	}
 	// else setup into loading
@ -347,7 +347,7 @@ void CEntityCL::SInstanceCL::updateCurrentFromLoading(NL3D::USkeleton Skeleton)
 	if (!Current.empty())
 	{
 		Scene->deleteInstance(Current);
-		CurrentName = "";
+		CurrentName.clear();
 	}


@ -355,7 +355,7 @@ void CEntityCL::SInstanceCL::updateCurrentFromLoading(NL3D::USkeleton Skeleton)
 	Current = Loading;
 	CurrentName = LoadingName;
 	Loading = NULL;
-	LoadingName = "";
+	LoadingName.clear();


 	// If there is a skeleton, bind the skin to the skeleton.
@ -533,7 +533,6 @@ CEntityCL::CEntityCL()
 	_SelectionFX = NULL;
 	_MouseOverFX = NULL;
 	_StateFX = NULL;
-	_StateFXName = "";
 	_GMTitle = _InvalidGMTitleCode;
 	_LastLocalSelectBoxComputeTime = 0;
 	_InSceneInterfaceEnabled = true;
@ -603,7 +602,7 @@ CEntityCL::~CEntityCL()
 	if (!_StateFX.empty() && Scene)
 	{
 		Scene->deleteInstance(_StateFX);
-		_StateFXName = "";
+		_StateFXName.clear();
 	}
 	if (!_SelectionFX.empty() && Scene)
 	{
@ -751,7 +750,7 @@ void CEntityCL::init()
 	_GroundTypeCache= 0;

 	_StateFX = NULL;
-	_StateFXName = "";
+	_StateFXName.clear();
 	_SelectionFX = NULL;
 	_MouseOverFX = NULL;

@ -3599,7 +3598,7 @@ void CEntityCL::removeStateFx()
 	if (!_StateFX.empty() && Scene)
 	{
 		Scene->deleteInstance(_StateFX);
-		_StateFXName = "";
+		_StateFXName.clear();
 	}
 }

--- a/Show More
+++ b/Show More