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require("lfs")

fs = {}

function fs.size(path)

return io.filesize(path)

end

function fs.isdir(path)

local mode = lfs.attributes(path, "mode")

return mode == "directory"

end

function fs.isfile(path)

return not fs.isdir(path)

end

function fs.rename(oldname, newname)

return os.rename(oldname, newname)

end

function fs.read(path)

local file = io.open(path, "rb")

if file then

local content = file:read("*all")

io.close(file)

return content

end

return nil

end

function fs.write(path, content, mode)

mode = mode or "w+b"

local file = io.open(path, mode)

if file then

if file:write(content) == nil then

return false

end

io.close(file)

return true

else

return false

end

end

function fs.remove(path)

local mode = lfs.attributes(path, "mode")

if mode == "directory" then

local dirPath = path.."/"

for file in lfs.dir(dirPath) do

if file ~= "." and file ~= ".." then

local f = dirPath..file

fs.remove(f)

end

end

lfs.rmdir(path)

else

os.remove(path)

end

end

function fs.list(path)

local files={}

local dirs={}

local function lll(dir)

for file in lfs.dir(dir) do

if file== "." or file == ".." then

else

local p = dir..'/'..file

local mode = lfs.attributes(p,"mode")

if mode == "directory" then

lll(p)

table.insert(dirs,p)

else

table.insert(files,p)

end

end

end

end

local mode = lfs.attributes(path,"mode")

if mode ~= "directory" then

return

end

lll(path)

return dirs,files

end

function fs.split(input, delimiter)

input = tostring(input)

delimiter = tostring(delimiter)

if (delimiter=='') then return false end

local pos,arr = 0, {}

-- for each divider found

for st,sp in function() return string.find(input, delimiter, pos, true) end do

table.insert(arr, string.sub(input, pos, st - 1))

pos = sp + 1

end

table.insert(arr, string.sub(input, pos))

return arr

end

--创建目录

function fs.mkdir(path)

if not fs.exists(path) then

return lfs.mkdir(path)

end

return true

end

function fs.dofile(path)

local fileData = CZHelperFunc:getFileData(path)

local fun = loadstring(fileData)

local ret, r = pcall(fun)

if ret then

return r

end

end

local function fileExists(path)

local f = io.open(path, "r")

if f ~= nil then

io.close(f)

return true

else

return false

end

end

-- Tests if a directory "path" exists, returns true/false

local function dirExists(path)

if type(path)~="string" then return false end

attr = lfs.attributes(path)

if attr ~= nil and attr.mode == "directory" then

return true

else

return false

end

end

function split_url(url)

assert(type(url) == "string")

local protocol, pathname = url:match("^([^:]*)://(.*)")

if not protocol then

protocol = "file"

pathname = url

end

return protocol, pathname

end

function normalizePath(name)

local protocol, pathname = split_url(name)

pathname = pathname:gsub("\\", "/"):gsub("(.)/*$", "%1"):gsub("//", "/")

if protocol ~= "file" then pathname = protocol .."://"..pathname end

return pathname

end

function base_name(pathname)

assert(type(pathname) == "string")

local base = pathname:gsub("[/\\]*$", ""):match(".*[/\\]([^/\\]*)")

return base or pathname

end

function dir_name(pathname)

assert(type(pathname) == "string")

return (pathname:gsub("/*$", ""):match("(.*)[/]+[^/]*")) or ""

end

function isDir(filePath)

local isDir = false

local attr = lfs.attributes(filePath)

if (type(attr) == "table") and attr.mode == "directory" then

isDir = true

end

return isDir

end

function isFile(filePath)

local attr = lfs.attributes(filePath)

if (type(attr) == "table") and attr.mode == "file" then

return true

end

return false

end

function exist(filePath)

local attr = lfs.attributes(filePath)

if attr then

return true

else

return false

end

end

function fixDirSuffix(filePath)

if isDir(filePath) then

if not string.find(filePath, "/$") then

return filePath .. "/"

end

end

return filePath

end

-- 查找指定文件中与正则相匹配的字符串

function searchTargetStr(fileName, regex)

local file = io.open(fileName, "r+")

local contentList = {}

if file then

local buffer = file:read("*a")

string.gsub(buffer, regex, function(...)

contentList[#contentList + 1] = select(1, ...)

end)

io.close(file)

end

return contentList

end

function replaceTargetStr(fileName, match, replaceFunc)

local file = io.open(fileName, "r+")

local contentList = {}

if file then

local buffer = file:read("*a")

buffer = string.gsub(buffer, match, function(...)

local result = replaceFunc(select(1, ...))

return result

end)

io.close(file)

local file = io.open(fileName, "w+")

file:write(buffer)

io.close(file)

end

return contentList

end

function ensureDir(path)

local part, index = path:match("([/\\]?[^/\\]+[/\\])()")

local subPath = ""

while part do

subPath = subPath .. part

lfs.mkdir(subPath)

part, index = path:match("([^/\\]+[/\\])()", index)

end

end

return {

fileExists = fileExists,

dirExists = dirExists,

normalizePath = normalizePath,

base_name = base_name,

dir_name = dir_name,

isDir = isDir,

isFile = isFile

}