better fuzzy matching + vfs type flag in Files

sys/apps/Files.lua

@@ -77,8 +77,8 @@ local Browser = UI.Page {
 	grid = UI.ScrollingGrid {
 		columns = {
 			{ heading = 'Name', key = 'name'             },
-			{                   key = 'flags', width = 2 },
-			{ heading = 'Size', key = 'fsize', width = 5 },
+			{                   key = 'flags', width = 3, textColor = 'lightGray' },
+			{ heading = 'Size', key = 'fsize', width = 5, textColor = 'yellow' },
 		},
 		sortColumn = 'name',
 		y = 2, ey = -2,
@@ -211,7 +211,7 @@ function Browser:enable()
 	self:setFocus(self.grid)
 end
 
-function Browser.menuBar:getActive(menuItem)
+function Browser.menuBar.getActive(_, menuItem)
 	local file = Browser.grid:getSelected()
 	if menuItem.flags == FILE then
 		return file and not file.isDir
@@ -223,7 +223,7 @@ function Browser:setStatus(status, ...)
 	self.notification:info(string.format(status, ...))
 end
 
-function Browser:unmarkAll()
+function Browser.unmarkAll()
 	for _,m in pairs(marked) do
 		m.marked = false
 	end
@@ -263,10 +263,11 @@ function Browser:updateDirectory(dir)
 		dir.size = #files
 		for _, file in pairs(files) do
 			file.fullName = fs.combine(dir.name, file.name)
-			file.flags = ''
+			file.flags = file.fstype or ' '
 			if not file.isDir then
 				dir.totalSize = dir.totalSize + file.size
 				file.fsize = formatSize(file.size)
+				file.flags = file.flags .. ' '
 			else
 				if config.showDirSizes then
 					file.size = fs.getSize(file.fullName, true)
@@ -274,11 +275,9 @@ function Browser:updateDirectory(dir)
 					dir.totalSize = dir.totalSize + file.size
 					file.fsize = formatSize(file.size)
 				end
-				file.flags = 'D'
-			end
-			if file.isReadOnly then
-				file.flags = file.flags .. 'R'
+				file.flags = file.flags .. 'D'
 			end
+			file.flags = file.flags .. (file.isReadOnly and 'R' or ' ')
 			if config.showHidden or file.name:sub(1, 1) ~= '.' then
 				dir.files[file.fullName] = file
 			end
@@ -467,7 +466,7 @@ function Browser:eventHandler(event)
 
 	elseif event.type == 'paste' then
 		for _,m in pairs(copied) do
-			local s, m = pcall(function()
+			pcall(function()
 				if cutMode then
 					fs.move(m.fullName, fs.combine(self.dir.name, m.name))
 				else

sys/apps/Help.lua

@@ -1,3 +1,4 @@
+local fuzzy = require('opus.fuzzy')
 local UI    = require('opus.ui')
 local Util  = require('opus.util')
 
@@ -42,13 +43,13 @@ UI:addPage('main', UI.Page {
 
 		elseif event.type == 'text_change' then
 			if not event.text then
-				self.grid.values = topics
+				self.grid.sortColumn = 'lname'
 			else
-				self.grid.values = { }
-				for _,f in pairs(topics) do
-					if string.find(f.lname, event.text:lower()) then
-						table.insert(self.grid.values, f)
-					end
+				self.grid.sortColumn = 'score'
+				self.grid.inverseSort = false
+				local pattern = event.text:lower()
+				for _,v in pairs(self.grid.values) do
+					v.score = -fuzzy(v.lname, pattern)
 				end
 			end
 			self.grid:update()

sys/apps/PackageManager.lua

@@ -41,7 +41,7 @@ local page = UI.Page {
 	},
 	description = UI.TextArea {
 		x = 16, y = 3, ey = -5,
-		marginRight = 0, marginLeft = 0,
+		marginRight = 2, marginLeft = 0,
 	},
 	action = UI.SlideOut {
 		titleBar = UI.TitleBar {
@@ -140,9 +140,9 @@ function page:eventHandler(event)
 	elseif event.type == 'grid_focus_row' then
 		local manifest = event.selected.manifest
 
-		self.description.value = string.format('%s%s\n\n%s%s',
+		self.description:setValue(string.format('%s%s\n\n%s%s',
 			Ansi.yellow, manifest.title,
-			Ansi.white, manifest.description)
+			Ansi.white, manifest.description))
 		self.description:draw()
 		self:updateSelection(event.selected)
 

sys/apps/shell.lua

@@ -52,8 +52,8 @@ local function run(...)
 		loadFn = loadfile
 	end
 
-	local funkshun, err = loadFn(path, env)
-	if not funkshun then
+	local O_v_O, err = loadFn(path, env)
+	if not O_v_O then
 		error(err, -1)
 	end
 
@@ -68,7 +68,7 @@ local function run(...)
 	}
 
 	env[ "arg" ] = { [0] = path, table.unpack(args) }
-	local r = { funkshun(table.unpack(args)) }
+	local r = { O_v_O(table.unpack(args)) }
 
 	tProgramStack[#tProgramStack] = nil
 

sys/init/2.vfs.lua

@@ -166,6 +166,13 @@ function fs.complete(partial, dir, includeFiles, includeSlash)
 	return fs.native.complete(partial, dir, includeFiles, includeSlash)
 end
 
+local displayFlags = {
+	urlfs  = 'U',
+	linkfs = 'L',
+	ramfs  = 'T',
+	netfs  = 'N',
+}
+
 function fs.listEx(dir)
   dir = fs.combine(dir, '')
 	local node = getNode(dir)
@@ -176,20 +183,22 @@ function fs.listEx(dir)
 	local t = { }
 	local files = node.fs.list(node, dir)
 
-	pcall(function()
-		for _,f in ipairs(files) do
+	for _,f in ipairs(files) do
+		pcall(function()
 			local fullName = fs.combine(dir, f)
+			local n = fs.getNode(fullName)
 			local file = {
 				name = f,
 				isDir = fs.isDir(fullName),
 				isReadOnly = fs.isReadOnly(fullName),
+				fstype = n.mountPoint == fullName and displayFlags[n.fstype],
 			}
 			if not file.isDir then
 				file.size = fs.getSize(fullName)
 			end
 			table.insert(t, file)
-		end
-	end)
+		end)
+	end
 	return t
 end
 

sys/init/3.sys.lua

@@ -6,37 +6,41 @@ fs.loadTab('sys/etc/fstab')
 -- add some Lua compatibility functions
 function os.remove(a)
 	if fs.exists(a) then
-        local s = pcall(fs.delete, a)
-        return s and true or nil, a .. ': Unable to remove file'
+		local s = pcall(fs.delete, a)
+		return s and true or nil, a .. ': Unable to remove file'
 	end
 	return nil, a .. ': No such file or directory'
 end
 
 os.execute = function(cmd)
-    if not cmd then
-        return 1
-    end
+	local env = _G.getfenv(2)
+	if not cmd then
+		return env.shell and 1 or 0
+	end
 
-    local env = _G.getfenv(2)
-    local s, m = env.shell.run('sys/apps/shell.lua ' .. cmd)
+	if not env.shell then
+		return 0
+	end
 
-    if not s then
-        return 1, m
-    end
+	local s, m = env.shell.run('sys/apps/shell.lua ' .. cmd)
 
-    return 0
+	if not s then
+		return 1, m
+	end
+
+	return 0
 end
 
 os.tmpname = function()
-    local fname
-    repeat
-        fname = 'tmp/a' .. math.random(1, 32768)
-    until not fs.exists(fname)
+	local fname
+	repeat
+		fname = 'tmp/a' .. math.random(1, 32768)
+	until not fs.exists(fname)
 
-    return fname
+	return fname
 end
 
 -- non-standard - will raise error instead
 os.exit = function(code)
-    error('Terminated with ' .. code)
+	error('Terminated with ' .. code)
 end

sys/init/6.packages.lua

@@ -13,7 +13,13 @@ table.insert(helpPaths, '/sys/help')
 for name in pairs(Packages:installed()) do
 	local packageDir = fs.combine('packages', name)
 
+	local fstabPath = fs.combine(packageDir, 'etc/fstab')
+	if fs.exists(fstabPath) then
+		fs.loadTab(fstabPath)
+	end
+
 	table.insert(appPaths, 1, '/' .. packageDir)
+
 	local apiPath = fs.combine(packageDir, 'apis') -- TODO: rename dir to 'modules' (someday)
 	if fs.exists(apiPath) then
 		fs.mount(fs.combine('rom/modules/main', name), 'linkfs', apiPath)
@@ -23,11 +29,6 @@ for name in pairs(Packages:installed()) do
 	if fs.exists(helpPath) then
 		table.insert(helpPaths, helpPath)
 	end
-
-	local fstabPath = fs.combine(packageDir, 'etc/fstab')
-	if fs.exists(fstabPath) then
-		fs.loadTab(fstabPath)
-	end
 end
 
 help.setPath(table.concat(helpPaths, ':'))

sys/modules/opus/fuzzy.lua

@@ -1,21 +1,56 @@
--- Based on Squid's fuzzy search
--- https://github.com/SquidDev-CC/artist/blob/vnext/artist/lib/match.lua
---
--- not very fuzzy anymore
+local find  = string.find
+local floor = math.floor
+local min   = math.min
+local max   = math.max
+local sub   = string.sub
 
-local SCORE_WEIGHT               = 1000
-local LEADING_LETTER_PENALTY     = -30
-local LEADING_LETTER_PENALTY_MAX = -90
-
-local _find = string.find
-local _max  = math.max
-
-return function(str, pattern)
-	local start = _find(str, pattern, 1, true)
-	if start then
-		-- All letters before the current one are considered leading, so add them to our penalty
-		return SCORE_WEIGHT
-			+ _max(LEADING_LETTER_PENALTY * (start - 1), LEADING_LETTER_PENALTY_MAX)
-			- (#str - #pattern)
+-- https://rosettacode.org/wiki/Jaro_distance (ported to lua)
+return function(s1, s2)
+	local l1, l2 = #s1, #s2;
+    if l1 == 0 then
+		return l2 == 0 and 1.0 or 0.0
 	end
+
+	local match_distance = max(floor(max(l1, l2) / 2) - 1, 0)
+    local s1_matches = { }
+    local s2_matches = { }
+    local matches = 0
+
+	for i = 1, l1 do
+        local _end = min(i + match_distance + 1, l2)
+		for k = max(1, i - match_distance), _end do
+            if not s2_matches[k] and sub(s1, i, i) == sub(s2, k, k) then
+                s1_matches[i] = true
+                s2_matches[k] = true
+                matches = matches + 1
+                break
+			end
+		end
+	end
+    if matches == 0 then
+		return 0.0
+	end
+
+    local t = 0.0
+    local k = 1
+	for i = 1, l1 do
+        if s1_matches[i] then
+			while not s2_matches[k] do
+				k = k + 1
+			end
+			if sub(s1, i, i) ~= sub(s2, k, k) then
+				t = t + 0.5
+			end
+            k = k + 1
+		end
+	end
+
+	-- provide a major boost for exact matches
+	local b = 0.0
+	if find(s1, s2, 1, true) then
+		b = b + .5
+	end
+
+    local m = matches
+    return (m / l1 + m / l2 + (m - t) / m) / 3.0 + b
 end