Fix formspec escaping, add escaping to info.txt for texture packs.

builtin/mainmenu.lua

@@ -39,11 +39,11 @@ function menu.render_favorite(spec,render_details)
 	local text = ""
 	
 	if spec.name ~= nil then
-		text = text .. fs_escape_string(spec.name:trim())
+		text = text .. engine.formspec_escape(spec.name:trim())
 		
 --		if spec.description ~= nil and
---			fs_escape_string(spec.description):trim() ~= "" then
---			text = text .. " (" .. fs_escape_string(spec.description) .. ")"
+--			engine.formspec_escape(spec.description):trim() ~= "" then
+--			text = text .. " (" .. engine.formspec_escape(spec.description) .. ")"
 --		end
 	else
 		if spec.address ~= nil then
@@ -93,7 +93,7 @@ function menu.render_favorite(spec,render_details)
 						string.format("%03d",spec.clients_max) .. " "
 	end
 	
-	return playercount .. fs_escape_string(details) ..  text
+	return playercount .. engine.formspec_escape(details) ..  text
 end
 
 --------------------------------------------------------------------------------
@@ -900,7 +900,7 @@ function tabbuilder.tab_multiplayer()
 	if menu.fav_selected ~= nil and 
 		menu.favorites[menu.fav_selected].description ~= nil then
 		retval = retval .. 
-			fs_escape_string(menu.favorites[menu.fav_selected].description,true)
+			engine.formspec_escape(menu.favorites[menu.fav_selected].description,true)
 	end
 	
 	retval = retval .. 
@@ -1040,7 +1040,7 @@ function tabbuilder.tab_TP()
 			menu.render_TP_list(TPlist) ..
 			";" .. index .. "]" ..
 			"image[0.65,0.25;4.0,3.7;"..(menu.TPscreen or no_screenshot).."]"..
-			"textarea[1.0,3.25;3.7,1.5;;"..(menu.TPinfo or "")..";]"
+			"textarea[1.0,3.25;3.7,1.5;;"..engine.formspec_escape(menu.TPinfo or "")..";]"
 end
 
 --------------------------------------------------------------------------------

builtin/misc.lua

@@ -99,10 +99,3 @@ function minetest.setting_get_pos(name)
 	return minetest.string_to_pos(value)
 end
 
-function minetest.formspec_escape(str)
-	str = string.gsub(str, "\\", "\\\\")
-	str = string.gsub(str, "%[", "\\[")
-	str = string.gsub(str, "%]", "\\]")
-	return str
-end
-

builtin/misc_helpers.lua

@@ -184,6 +184,18 @@ function cleanup_path(temppath)
 	return temppath
 end
 
+local tbl = engine or minetest
+function tbl.formspec_escape(text)
+	if text ~= nil then
+		text = string.gsub(text,"\\","\\\\")
+		text = string.gsub(text,"%]","\\]")
+		text = string.gsub(text,"%[","\\[")
+		text = string.gsub(text,";","\\;")
+		text = string.gsub(text,",","\\,")
+	end
+	return text
+end
+
 --------------------------------------------------------------------------------
 -- mainmenu only functions
 --------------------------------------------------------------------------------
@@ -197,41 +209,7 @@ if engine ~= nil then
 		
 		return nil
 	end
-	
-	--------------------------------------------------------------------------------
-	function fs_escape_string(text)
-		if text ~= nil then
-			while (text:find("\r\n") ~= nil) do
-				local newtext = text:sub(1,text:find("\r\n")-1)
-				newtext = newtext .. " " .. text:sub(text:find("\r\n")+3)
-				
-				text = newtext
-			end
-			
-			while (text:find("\n") ~= nil) do
-				local newtext = text:sub(1,text:find("\n")-1)
-				newtext = newtext .. " " .. text:sub(text:find("\n")+1)
-				
-				text = newtext
-			end
-			
-			while (text:find("\r") ~= nil) do
-				local newtext = text:sub(1,text:find("\r")-1)
-				newtext = newtext .. " " .. text:sub(text:find("\r")+1)
-				
-				text = newtext
-			end
-			
-			text = string.gsub(text,"\\","\\\\")
-			text = string.gsub(text,"%]","\\]")
-			text = string.gsub(text,"%[","\\[")
-			text = string.gsub(text,";","\\;")
-			text = string.gsub(text,",","\\,")
-		end
-		return text
-	end
 end
-
 --------------------------------------------------------------------------------
 -- core only fct
 --------------------------------------------------------------------------------
@@ -241,3 +219,4 @@ if minetest ~= nil then
 		return "(" .. pos.x .. "," .. pos.y .. "," .. pos.z .. ")"
 	end
 end
+

builtin/modstore.lua

@@ -233,12 +233,12 @@ function modstore.getmodlist(list)
 			
 			--title + author
 			retval = retval .."label[2.75," .. screenshot_ypos .. ";" .. 
-				fs_escape_string(details.title) .. " (" .. details.author .. ")]"
+				engine.formspec_escape(details.title) .. " (" .. details.author .. ")]"
 			
 			--description
 			local descriptiony = screenshot_ypos + 0.5
 			retval = retval .. "textarea[3," .. descriptiony .. ";6.5,1.55;;" .. 
-				fs_escape_string(details.description) .. ";]"
+				engine.formspec_escape(details.description) .. ";]"
 			--rating
 			local ratingy = screenshot_ypos + 0.6
 			retval = retval .."label[10.1," .. ratingy .. ";Rating: " .. details.rating .."]"