remove more global variables

frontend/apps/filemanager/filemanager.lua

@@ -8,6 +8,7 @@ local FileChooser = require("ui/widget/filechooser")
 local VerticalSpan = require("ui/widget/verticalspan")
 local VerticalGroup = require("ui/widget/verticalgroup")
 local ButtonDialog = require("ui/widget/buttondialog")
+local lfs = require("libs/libkoreader-lfs")
 local UIManager = require("ui/uimanager")
 local Font = require("ui/font")
 local Screen = require("ui/screen")

frontend/apps/filemanager/filemanagerhistory.lua

@@ -1,10 +1,11 @@
 local InputContainer = require("ui/widget/container/inputcontainer")
 local CenterContainer = require("ui/widget/container/centercontainer")
-local Menu = require("ui/widget/menu")
 local ButtonDialog = require("ui/widget/buttondialog")
-local Screen = require("ui/screen")
+local lfs = require("libs/libkoreader-lfs")
 local UIManager = require("ui/uimanager")
 local DocSettings = require("docsettings")
+local Menu = require("ui/widget/menu")
+local Screen = require("ui/screen")
 local DEBUG = require("dbg")
 local _ = require("gettext")
 

frontend/apps/filemanager/filemanagersearch.lua

@@ -1,11 +1,12 @@
-local InfoMessage = require("ui/widget/infomessage")
-local UIManager = require("ui/uimanager")
-local _ = require("gettext")
+local CenterContainer = require("ui/widget/container/centercontainer")
 local InputContainer = require("ui/widget/container/inputcontainer")
 local InputDialog = require("ui/widget/inputdialog")
-local CenterContainer = require("ui/widget/container/centercontainer")
-local Screen = require("ui/screen")
+local InfoMessage = require("ui/widget/infomessage")
+local lfs = require("libs/libkoreader-lfs")
+local UIManager = require("ui/uimanager")
 local Menu = require("ui/widget/menu")
+local Screen = require("ui/screen")
+local _ = require("gettext")
 
 local Search = InputContainer:new{
     calibrefile = nil,
@@ -72,7 +73,7 @@ function Search:init()
     self.results = {}
 
     -- check if we find the calibre file
-    if LIBRARY_PATH == nil then 
+    if LIBRARY_PATH == nil then
           self.calibrefile = findcalibre("/mnt")
           if not self.calibrefile then
               error = "LIBRARY_PATH in DEFAULTS.LUA is not set!"
@@ -100,7 +101,7 @@ function Search:init()
             self.calibrefile = findcalibre("/mnt")
         end
     end
-    
+
     if self.calibrefile ~= nil then
         LIBRARY_PATH = string.gsub(self.calibrefile,"/[^/]*$","")
         if string.sub(LIBRARY_PATH,string.len(LIBRARY_PATH)) ~= "/" then
@@ -197,7 +198,7 @@ function Search:find()
     else
         upsearch = string.upper(self.search_value)
     end
-    
+
     self.data[i] = {"-","-","-","-","-","-","-","-"}
     while line do
         if line == "  }, " or line == "  }" then

frontend/apps/reader/modules/readertypeset.lua

@@ -1,11 +1,11 @@
 local InputContainer = require("ui/widget/container/inputcontainer")
 local ConfirmBox = require("ui/widget/confirmbox")
+local lfs = require("libs/libkoreader-lfs")
 local UIManager = require("ui/uimanager")
 local Screen = require("ui/screen")
 local Event = require("ui/event")
 local DEBUG = require("dbg")
 local _ = require("gettext")
--- lfs
 
 local ReaderTypeset = InputContainer:new{
     css_menu_title = _("Set render style"),

frontend/apps/reader/pluginloader.lua

@@ -1,5 +1,5 @@
+local lfs = require("libs/libkoreader-lfs")
 local DEBUG = require("dbg")
--- lfs
 
 local PluginLoader = {
     plugin_path = "plugins"

frontend/cache.lua

@@ -2,6 +2,7 @@
 A global LRU cache
 ]]--
 require("MD5")
+local lfs = require("libs/libkoreader-lfs")
 local DEBUG = require("dbg")
 
 local function calcFreeMem()

frontend/docsettings.lua

@@ -1,5 +1,5 @@
+local lfs = require("libs/libkoreader-lfs")
 local DocSettings = {}
--- lfs
 
 function DocSettings:getHistoryPath(fullpath)
     local i = #fullpath - 1

frontend/document/credocument.lua

@@ -1,14 +1,13 @@
-local Geom = require("ui/geometry")
-local Blitbuffer = require("ffi/blitbuffer")
 local CreOptions = require("ui/data/creoptions")
 local Document = require("document/document")
+local Configurable = require("configurable")
+local Blitbuffer = require("ffi/blitbuffer")
+local lfs = require("libs/libkoreader-lfs")
 local Geom = require("ui/geometry")
-local Font = require("ui/font")
 local Device = require("ui/device")
 local Screen = require("ui/screen")
+local Font = require("ui/font")
 local DEBUG = require("dbg")
-local Configurable = require("configurable")
--- TBD: DrawContext
 
 local CreDocument = Document:new{
     -- this is defined in kpvcrlib/crengine/crengine/include/lvdocview.h

frontend/ui/device.lua

@@ -1,12 +1,12 @@
 local AndroidPowerd = require("ui/device/androidpowerd")
 local KindlePowerD = require("ui/device/kindlepowerd")
+local isAndroid, android = pcall(require, "android")
 local KoboPowerD = require("ui/device/kobopowerd")
 local BasePowerD = require("ui/device/basepowerd")
+local lfs = require("libs/libkoreader-lfs")
 local Screen = require("ui/device/screen")
 local util = require("ffi/util")
 local ffi = require("ffi")
-local isAndroid, android = pcall(require, "android")
--- lfs
 
 local Device = {
     screen_saver_mode = false,

frontend/ui/device/screen.lua

@@ -1,12 +1,10 @@
 local Blitbuffer = require("ffi/blitbuffer")
+local einkfb = require("ffi/framebuffer")
 local Geom = require("ui/geometry")
 local util = require("ffi/util")
 local DEBUG = require("dbg")
 local _ = require("gettext")
 
--- Blitbuffer
--- einkfb
-
 --[[
 Codes for rotation modes:
 

frontend/ui/font.lua

@@ -1,3 +1,5 @@
+local lfs = require("libs/libkoreader-lfs")
+local Freetype = require("ffi/freetype")
 local Screen = require("ui/screen")
 local DEBUG = require("dbg")
 
@@ -62,7 +64,7 @@ function Font:getFace(font, size)
             realname = font
         end
         realname = self.fontdir.."/"..realname
-        ok, face = pcall(freetype.newFace, realname, size)
+        ok, face = pcall(Freetype.newFace, realname, size)
         if not ok then
             DEBUG("#! Font "..font.." ("..realname..") not supported: "..face)
             return nil

frontend/ui/input.lua

@@ -3,11 +3,12 @@ local GestureDetector = require("ui/gesturedetector")
 local Event = require("ui/event")
 local TimeVal = require("ui/timeval")
 local Screen = require("ui/screen")
+local input = require("ffi/input")
+local util = require("ffi/util")
 local Math = require("optmath")
 local DEBUG = require("dbg")
-local _ = require("gettext")
 local ffi = require("ffi")
-local util = require("ffi/util")
+local _ = require("gettext")
 
 -- constants from <linux/input.h>
 local EV_SYN = 0

frontend/ui/widget/filechooser.lua

@@ -1,9 +1,9 @@
+local lfs = require("libs/libkoreader-lfs")
 local Menu = require("ui/widget/menu")
 local Screen = require("ui/screen")
 local UIManager = require("ui/uimanager")
 local DEBUG = require("dbg")
 local util = require("ffi/util")
--- lfs
 local ffi = require("ffi")
 ffi.cdef[[
 int strcoll (char *str1, char *str2);

reader.lua

@@ -1,10 +1,5 @@
 #!./koreader-base
 
-require "libs/libkoreader-lfs"
-einkfb = require("ffi/framebuffer")
-input = require("ffi/input")
-freetype = require("ffi/freetype")
-
 require "defaults"
 pcall(dofile, "defaults.persistent.lua")
 package.path = "?.lua;common/?.lua;frontend/?.lua"
@@ -26,14 +21,15 @@ end
 local DocumentRegistry = require("document/documentregistry")
 local FileManager = require("apps/filemanager/filemanager")
 local InfoMessage = require("ui/widget/infomessage")
+local ReaderUI = require("apps/reader/readerui")
+local lfs = require("libs/libkoreader-lfs")
 local UIManager = require("ui/uimanager")
 local Menu = require("ui/widget/menu")
 local Device = require("ui/device")
 local Screen = require("ui/screen")
+local input = require("ffi/input")
 local DEBUG = require("dbg")
 
-local ReaderUI = require("apps/reader/readerui")
-
 local Profiler = nil
 
 function exitReader()

wtest.lua

@@ -1,10 +1,5 @@
 #!./koreader-base
 
-require "libs/libkoreader-lfs"
-einkfb = require("ffi/framebuffer")
-input = require("ffi/input")
-freetype = require("ffi/freetype")
-
 require "defaults"
 print(package.path)
 package.path = "?.lua;common/?.lua;frontend/?.lua"