Add ToLower/ToUpper

src/client/Client.cpp

@@ -468,9 +468,7 @@ std::vector<ByteString> Client::DirectorySearch(ByteString directory, ByteString
 {
 	std::vector<ByteString> extensions;
 	extensions.push_back(extension);
-	for (ByteString::iterator iter = search.begin(); iter != search.end(); ++iter)
-		*iter = toupper(*iter);
-	return DirectorySearch(directory, search, extensions);
+	return DirectorySearch(directory, search.ToUpper(), extensions);
 }
 
 std::vector<ByteString> Client::DirectorySearch(ByteString directory, ByteString search, std::vector<ByteString> extensions)
@@ -531,12 +529,10 @@ std::vector<ByteString> Client::DirectorySearch(ByteString directory, ByteString
 			if(filename.EndsWith(*extIter))
 			{
 				extensionMatch = true;
-				tempfilename = filename.SubstrFromEnd(0, (*extIter).size());
+				tempfilename = filename.SubstrFromEnd(0, (*extIter).size()).ToUpper();
 				break;
 			}
 		}
-		for (ByteString::iterator iter = tempfilename.begin(); iter != tempfilename.end(); ++iter)
-			*iter = toupper(*iter);
 		bool searchMatch = !search.size();
 		if(search.size() && tempfilename.Contains(search))
 			searchMatch = true;

src/common/String.h

@@ -4,6 +4,7 @@
 #include <sstream>
 #include <vector>
 #include <string>
+#include <limits>
 #include <ios>
 
 /*
@@ -56,6 +57,11 @@
 	Contains(value_type infix)
 		Self-explanatory.
 
+	ToLower()
+	ToUpper()
+		Lowercases/Uppercases characters in the string. Only works on
+		characters in the ASCII range.
+
 	ByteString::FromUtf8(bool ignoreError = true)
 		Decodes UTF-8 byte sequences into Unicode codepoints.
 		If ignoreError is true, then invalid byte sequences are widened
@@ -324,6 +330,24 @@ class ByteString : public std::basic_string<char>
 	inline ByteString &Erase(size_t pos, size_t count) { super::erase(pos, count); return *this; }
 	inline ByteString &EraseBetween(size_t from, size_t to) { if(from < to) super::erase(from, to - from); return *this; }
 
+	inline ByteString ToLower() const
+	{
+		std::locale const &loc = std::locale::classic();
+		ByteString value(*this);
+		for(value_type &ch : value)
+			ch = std::tolower(ch, loc);
+		return value;
+	}
+
+	inline ByteString ToUpper() const
+	{
+		std::locale const &loc = std::locale::classic();
+		ByteString value(*this);
+		for(value_type &ch : value)
+			ch = std::toupper(ch, loc);
+		return value;
+	}
+
 	String FromUtf8(bool ignoreError = true) const;
 	inline String FromAscii() const;
 	template<typename... Ts> static ByteString Build(Ts&&... args);
@@ -479,6 +503,26 @@ class String : public std::basic_string<char32_t>
 	inline String &Erase(size_t pos, size_t count) { super::erase(pos, count); return *this; }
 	inline String &EraseBetween(size_t from, size_t to) { if(from < to) super::erase(from, to - from); return *this; }
 
+	inline String ToLower() const
+	{
+		std::locale const &loc = std::locale::classic();
+		String value(*this);
+		for(value_type &ch : value)
+			if(ch <= std::numeric_limits<ByteString::value_type>::max())
+				ch = std::tolower(ch, loc);
+		return value;
+	}
+
+	inline String ToUpper() const
+	{
+		std::locale const &loc = std::locale::classic();
+		String value(*this);
+		for(value_type &ch : value)
+			if(ch <= std::numeric_limits<ByteString::value_type>::max())
+				ch = std::toupper(ch, loc);
+		return value;
+	}
+
 	ByteString ToUtf8() const;
 	ByteString ToAscii() const;
 	template<typename... Ts> static String Build(Ts&&... args);

src/gui/elementsearch/ElementSearchActivity.cpp

@@ -104,17 +104,15 @@ void ElementSearchActivity::searchTools(String query)
 	ui::Point viewPosition = searchField->Position + ui::Point(2+0, searchField->Size.Y+2+8);
 	ui::Point current = ui::Point(0, 0);
 
-	ByteString queryLower = query.ToAscii();
-	std::transform(queryLower.begin(), queryLower.end(), queryLower.begin(), ::tolower);
+	ByteString queryLower = query.ToUtf8().ToLower();
 
 	std::vector<Tool *> matches;
 	std::vector<Tool *> frontmatches;
 	std::vector<Tool *> exactmatches;
 
 	for(std::vector<Tool*>::const_iterator iter = tools.begin(), end = tools.end(); iter != end; ++iter)
 	{
-		ByteString nameLower = (*iter)->GetName();
-		std::transform(nameLower.begin(), nameLower.end(), nameLower.begin(), ::tolower);
+		ByteString nameLower = (*iter)->GetName().ToLower();
 		if(nameLower == queryLower)
 			exactmatches.push_back(*iter);
 		else if(nameLower.BeginsWith(queryLower))

src/gui/filebrowser/FileBrowserActivity.cpp

@@ -58,11 +58,7 @@ class LoadFilesTask: public Task
 	virtual bool doWork()
 	{
 		std::vector<ByteString> files = Client::Ref().DirectorySearch(directory, search, ".cps");
-		std::sort(files.rbegin(), files.rend(), [](ByteString a, ByteString b) {
-			std::transform(a.begin(), a.end(), a.begin(), ::tolower);
-			std::transform(b.begin(), b.end(), b.begin(), ::tolower);
-			return a < b;
-		});
+		std::sort(files.rbegin(), files.rend(), [](ByteString a, ByteString b) { return a.ToLower() < b.ToLower(); });
 
 		notifyProgress(-1);
 		for(std::vector<ByteString>::iterator iter = files.begin(), end = files.end(); iter != end; ++iter)

src/gui/preview/PreviewView.cpp

@@ -289,8 +289,7 @@ void PreviewView::CheckComment()
 {
 	if (!commentWarningLabel)
 		return;
-	String text = addCommentBox->GetText();
-	std::transform(text.begin(), text.end(), text.begin(), ::tolower);
+	String text = addCommentBox->GetText().ToLower();
 	if (!userIsAuthor && (text.Contains("stolen") || text.Contains("copied")))
 	{
 		if (!commentHelpText)

src/lua/LegacyLuaAPI.cpp

@@ -56,9 +56,7 @@ void initLegacyProps()
 
 		else
 		{
-			ByteString temp = ByteString(prop.Name);
-			std::transform(temp.begin(), temp.end(), temp.begin(), ::tolower);
-			legacyPropNames.insert(std::pair<ByteString, StructProperty>(temp, prop));
+			legacyPropNames.insert(std::pair<ByteString, StructProperty>(prop.Name.ToLower(), prop));
 		}
 	}
 }

src/lua/LuaScriptInterface.cpp

@@ -138,7 +138,6 @@ LuaScriptInterface::LuaScriptInterface(GameController * c, GameModel * m):
 	initPlatformAPI();
 
 	//Old TPT API
-	char tmpname[12];
 	int currentElementMeta, currentElement;
 	const static struct luaL_Reg tptluaapi [] = {
 		{"test", &luatpt_test},
@@ -295,10 +294,6 @@ tpt.partsdata = nil");
 	tptElements = lua_gettop(l);
 	for (int i = 1; i < PT_NUM; i++)
 	{
-		for (size_t j = 0; j < luacon_sim->elements[i].Name.size(); j++)
-			tmpname[j] = tolower(luacon_sim->elements[i].Name[j]);
-		tmpname[luacon_sim->elements[i].Name.size()] = 0;
-
 		lua_newtable(l);
 		currentElement = lua_gettop(l);
 		lua_pushinteger(l, i);
@@ -312,18 +307,14 @@ tpt.partsdata = nil");
 		lua_setfield(l, currentElementMeta, "__index");
 		lua_setmetatable(l, currentElement);
 
-		lua_setfield(l, tptElements, tmpname);
+		lua_setfield(l, tptElements, luacon_sim->elements[i].Name.ToLower().c_str());
 	}
 	lua_setfield(l, tptProperties, "el");
 
 	lua_newtable(l);
 	tptElementTransitions = lua_gettop(l);
 	for (int i = 1; i < PT_NUM; i++)
 	{
-		for (size_t j = 0; j < luacon_sim->elements[i].Name.size(); j++)
-			tmpname[j] = tolower(luacon_sim->elements[i].Name[j]);
-		tmpname[luacon_sim->elements[i].Name.size()] = 0;
-
 		lua_newtable(l);
 		currentElement = lua_gettop(l);
 		lua_newtable(l);
@@ -336,7 +327,7 @@ tpt.partsdata = nil");
 		lua_setfield(l, currentElementMeta, "__index");
 		lua_setmetatable(l, currentElement);
 
-		lua_setfield(l, tptElementTransitions, tmpname);
+		lua_setfield(l, tptElementTransitions, luacon_sim->elements[i].Name.ToLower().c_str());
 	}
 	lua_setfield(l, tptProperties, "eltransition");
 
@@ -810,10 +801,8 @@ void LuaScriptInterface::initSimulationAPI()
 	particleProperties = new StructProperty[particlePropertiesV.size()];
 	for(std::vector<StructProperty>::iterator iter = particlePropertiesV.begin(), end = particlePropertiesV.end(); iter != end; ++iter)
 	{
-		ByteString propertyName = (*iter).Name;
-		std::transform(propertyName.begin(), propertyName.end(), propertyName.begin(), ::toupper);
 		lua_pushinteger(l, particlePropertiesCount);
-		lua_setfield(l, -2, ("FIELD_"+propertyName).c_str());
+		lua_setfield(l, -2, ("FIELD_" + (*iter).Name.ToUpper()).c_str());
 		particleProperties[particlePropertiesCount++] = *iter;
 	}
 
@@ -2533,10 +2522,8 @@ int LuaScriptInterface::elements_allocate(lua_State * l)
 	ByteString group, id, identifier;
 	luaL_checktype(l, 1, LUA_TSTRING);
 	luaL_checktype(l, 2, LUA_TSTRING);
-	group = ByteString(lua_tostring(l, 1));
-	std::transform(group.begin(), group.end(), group.begin(), ::toupper);
-	id = ByteString(lua_tostring(l, 2));
-	std::transform(id.begin(), id.end(), id.begin(), ::toupper);
+	group = ByteString(lua_tostring(l, 1)).ToUpper();
+	id = ByteString(lua_tostring(l, 2)).ToUpper();
 
 	if(group == "DEFAULT")
 		return luaL_error(l, "You cannot create elements in the 'default' group.");