Add support for regex OR to tree and item search

src/Classes/ItemDBControl.lua

@@ -137,38 +137,43 @@ function ItemDBClass:DoesItemMatchFilters(item)
 			return false
 		end
 	end
-	local searchStr = self.controls.search.buf:lower()
+	local searchStr = self.controls.search.buf:lower():gsub("[%-%.%+%[%]%$%^%%%?%*]", "%%%0")
 	if searchStr:match("%S") then
 		local found = false
 		local mode = self.controls.searchMode.selIndex
 		if mode == 1 or mode == 2 then
-			if item.name:lower():find(searchStr, 1, true) then
+			local err, match = PCall(string.matchOrPattern, item.name:lower(), searchStr)
+			if not err and match then
 				found = true
 			end
 		end
 		if mode == 1 or mode == 3 then
 			for _, line in pairs(item.enchantModLines) do
-				if line.line:lower():find(searchStr, 1, true) then
+				local err, match = PCall(string.matchOrPattern, line.line:lower(), searchStr)
+				if not err and match then
 					found = true
 					break
 				end
 			end
 			for _, line in pairs(item.implicitModLines) do
-				if line.line:lower():find(searchStr, 1, true) then
+				local err, match = PCall(string.matchOrPattern, line.line:lower(), searchStr)
+				if not err and match then
 					found = true
 					break
 				end
 			end
 			for _, line in pairs(item.explicitModLines) do
-				if line.line:lower():find(searchStr, 1, true) then
+				local err, match = PCall(string.matchOrPattern, line.line:lower(), searchStr)
+				if not err and match then
 					found = true
 					break
 				end
 			end
 			if not found then
 				searchStr = searchStr:gsub(" ","")
 				for i, mod in ipairs(item.baseModList) do
-					if mod.name:lower():find(searchStr, 1, true) then
+					local err, match = PCall(string.matchOrPattern, mod.name:lower(), searchStr)
+					if not err and match then
 						found = true
 						break
 					end

src/Classes/NotableDBControl.lua

@@ -52,18 +52,20 @@ function NotableDBClass:DoesNotableMatchFilters(node)
 		return false
 	end
 
-	local searchStr = self.controls.search.buf:lower()
+	local searchStr = self.controls.search.buf:lower():gsub("[%-%.%+%[%]%$%^%%%?%*]", "%%%0")
 	if searchStr:match("%S") then
 		local found = false
 		local mode = self.controls.searchMode.selIndex
 		if mode == 1 or mode == 2 then
-			if node.dn:lower():find(searchStr, 1, true) then
+			local err, match = PCall(string.matchOrPattern, node.dn:lower(), searchStr)
+			if not err and match then
 				found = true
 			end
 		end
 		if mode == 1 or mode == 3 then
 			for _, line in ipairs(node.sd) do
-				if line:lower():find(searchStr, 1, true) then
+				local err, match = PCall(string.matchOrPattern, line:lower(), searchStr)
+				if not err and match then
 					found = true
 					break
 				end

src/Classes/PassiveTreeView.lua

@@ -440,7 +440,7 @@ function PassiveTreeViewClass:Draw(build, viewPort, inputEvents)
 			local searchWords = {}
 			for matchstring, v in search:gmatch('"([^"]*)"') do
 				searchWords[#searchWords+1] = matchstring
-				search = search:gsub('"'..matchstring..'"', "")
+				search = search:gsub('"'..matchstring:gsub("([%(%)])", "%%%1")..'"', "")
 			end
 			for matchstring, v in search:gmatch("(%S*)") do
 				if matchstring:match("%S") ~= nil then
@@ -805,7 +805,7 @@ function PassiveTreeViewClass:DoesNodeMatchSearchParams(node)
 
 	local function search(haystack, need)
 		for i=#need, 1, -1 do
-			if haystack:match(need[i]) then
+			if haystack:matchOrPattern(need[i]) then
 				table.remove(need, i)
 			end
 		end

src/Classes/TreeTab.lua

@@ -118,7 +118,7 @@ local TreeTabClass = newClass("TreeTab", "ControlHost", function(self, build)
 	self.controls.export = new("ButtonControl", { "LEFT", self.controls.import, "RIGHT" }, 8, 0, 90, 20, "Export Tree", function()
 		self:OpenExportPopup()
 	end)
-	self.controls.treeSearch = new("EditControl", { "LEFT", self.controls.export, "RIGHT" }, 8, 0, main.portraitMode and 200 or 300, 20, "", "Search", "%c%(%)", 100, function(buf)
+	self.controls.treeSearch = new("EditControl", { "LEFT", self.controls.export, "RIGHT" }, 8, 0, main.portraitMode and 200 or 300, 20, "", "Search", "%c", 100, function(buf)
 		self.viewer.searchStr = buf
 	end)
 	self.controls.treeSearch.tooltipText = "Uses Lua pattern matching for complex searches"

src/Modules/Common.lua

@@ -835,4 +835,47 @@ function urlDecode(str)
 		return s_char(tonumber(x, 16))
 	end
 	return str:gsub("%%(%x%x)", hexToChar)
+end
+
+function string:matchOrPattern(pattern)
+	local function generateOrPatterns(pattern)
+		local subGroups = {}
+		local index = 1
+		-- find and call generate patterns on all subGroups
+		for subGroup in pattern:gmatch("%b()") do
+			local open, close = pattern:find(subGroup, (subGroups[index] and subGroups[index].close or 1), true)
+			t_insert(subGroups, { open = open, close = close, patterns = generateOrPatterns(subGroup:sub(2,-2)) })
+			index = index + 1
+		end
+
+		-- generate complete patterns from the subGroup patterns
+		local generatedPatterns = { pattern:sub(1, (subGroups[1] and subGroups[1].open or 0) - 1) }
+		for i, subGroup in ipairs(subGroups) do
+			local regularNextString = pattern:sub(subGroup.close + 1, (subGroups[i+1] and subGroups[i+1].open or 0) - 1)
+			local tempPatterns = {}
+			for _, subPattern in ipairs(generatedPatterns) do
+				for subGroupPattern in pairs(subGroup.patterns) do
+					t_insert(tempPatterns, subPattern..subGroupPattern..regularNextString)
+				end
+			end
+			generatedPatterns = tempPatterns
+		end
+
+		-- apply | operators
+		local orPatterns = { }
+		for _, generatedPattern in ipairs(generatedPatterns) do
+			for orPattern in generatedPattern:gmatch("[^|]+") do
+				orPatterns[orPattern] = true -- store string as key to avoid duplicates.
+			end
+		end
+		return orPatterns
+	end
+
+	local orPatterns = generateOrPatterns(pattern)
+	for orPattern in pairs(orPatterns) do
+		if self:match(orPattern) then
+			return true
+		end
+	end
+	return false
 end