Changed: Change long if blocks to early exits

--HG--
branch : develop

code/nel/src/gui/group_html.cpp

@@ -5539,12 +5539,15 @@ namespace NLGUI
 	// ***************************************************************************
 	void CGroupHTML::htmlIMG(const CHtmlElement &elm)
 	{
-		// Get the string name
-		if (elm.hasNonEmptyAttribute("src"))
+		std::string src = trim(elm.getAttribute("src"));
+		if (src.empty())
 		{
+			// no 'src' attribute, or empty
+			return;
+		}
+
 		float tmpf;
 		std::string id = elm.getAttribute("id");
-			std::string src = elm.getAttribute("src");
 
 		if (elm.hasNonEmptyAttribute("width"))
 			getPercentage(_Style.Current.Width, tmpf, elm.getAttribute("width").c_str());
@@ -5599,7 +5602,6 @@ namespace NLGUI
 			addImage(id, elm.getAttribute("src"), reloadImg, _Style.Current);
 		}
 	}
-	}
 
 	// ***************************************************************************
 	void CGroupHTML::htmlINPUT(const CHtmlElement &elm)
@@ -5619,9 +5621,14 @@ namespace NLGUI
 		// Widget minimal width
 		string minWidth = elm.getAttribute("z_input_width");
 
-		// Get the type
-		if (elm.hasNonEmptyAttribute("type"))
+		// <input type="...">
+		std::string type = trim(elm.getAttribute("type"));
+		if (type.empty())
 		{
+			// no 'type' attribute, or empty
+			return;
+		}
+	
 		// Global color flag
 		if (elm.hasAttribute("global_color"))
 			_Style.Current.GlobalColor = true;
@@ -5633,7 +5640,6 @@ namespace NLGUI
 		if (!strtooltip.empty())
 			tooltip = strtooltip.c_str();
 
-			string type = toLower(elm.getAttribute("type"));
 		if (type == "image")
 		{
 			// The submit button
@@ -5835,7 +5841,6 @@ namespace NLGUI
 			}
 		}
 	}
-	}
 
 	// ***************************************************************************
 	void CGroupHTML::htmlLI(const CHtmlElement &elm)
@@ -5908,8 +5913,11 @@ namespace NLGUI
 
 		std::string httpEquiv = elm.getAttribute("http-equiv");
 		std::string httpContent = elm.getAttribute("content");
-		if (!httpEquiv.empty() && !httpContent.empty())
+		if (httpEquiv.empty() || httpContent.empty())
 		{
+			return;
+		}
+
 		// only first http-equiv="refresh" should be handled
 		if (_RefreshUrl.empty() && httpEquiv == "refresh")
 		{
@@ -5934,7 +5942,6 @@ namespace NLGUI
 			_NextRefreshTime += timeSec;
 		}
 	}
-	}
 
 	// ***************************************************************************
 	void CGroupHTML::htmlOBJECT(const CHtmlElement &elm)
@@ -6298,8 +6305,18 @@ namespace NLGUI
 		}
 
 		CGroupTable *table = getTable();
-		if (table)
+		if (!table)
+		{
+			// <td> appears to be outside <table>
+			return;
+		}
+
+		if (_Cells.empty())
 		{
+			// <table> not started
+			return;
+		}
+
 		if (_Style.hasStyle("padding"))
 		{
 			uint32 a;
@@ -6308,8 +6325,6 @@ namespace NLGUI
 				table->CellPadding = a;
 		}
 
-			if (!_Cells.empty())
-			{
 		_Cells.back() = new CGroupCell(CViewBase::TCtorParam());
 
 		if (_Style.checkStyle("background-repeat", "1") || _Style.checkStyle("background-repeat", "repeat"))
@@ -6376,8 +6391,6 @@ namespace NLGUI
 
 		renderPseudoElement(":before", elm);
 	}
-		}
-	}
 
 	void CGroupHTML::htmlTDend(const CHtmlElement &elm)
 	{
@@ -6391,11 +6404,9 @@ namespace NLGUI
 	// ***************************************************************************
 	void CGroupHTML::htmlTEXTAREA(const CHtmlElement &elm)
 	{
-		_PRE.push_back(true);
+		if (_Forms.empty())
+			return;
 
-		// Got one form ?
-		if (!(_Forms.empty()))
-		{
 		// read general property
 		string templateName;
 
@@ -6420,14 +6431,11 @@ namespace NLGUI
 
 		_TextAreaTemplate = !templateName.empty() ? templateName : DefaultFormTextAreaGroup;
 		_TextArea = true;
-		}
+		_PRE.push_back(true);
 	}
 
 	void CGroupHTML::htmlTEXTAREAend(const CHtmlElement &elm)
 	{
-		_TextArea = false;
-		popIfNotEmpty (_PRE);
-
 		if (_Forms.empty())
 			return;
 
@@ -6440,6 +6448,9 @@ namespace NLGUI
 			entry.TextArea = textArea;
 			_Forms.back().Entries.push_back (entry);
 		}
+
+		_TextArea = false;
+		popIfNotEmpty (_PRE);
 	}
 
 	// ***************************************************************************