664 lines
16 KiB
Lua
664 lines
16 KiB
Lua
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local fs = require 'bee.filesystem'
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local platform = require 'bee.platform'
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local type = type
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local ioOpen = io.open
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local pcall = pcall
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local pairs = pairs
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local setmetatable = setmetatable
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local next = next
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local ipairs = ipairs
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local tostring = tostring
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local tableSort = table.sort
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_ENV = nil
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---@class fs-utility
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local m = {}
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--- 读取文件
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---@param path string|fs.path
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function m.loadFile(path, keepBom)
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if type(path) ~= 'string' then
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---@diagnostic disable-next-line: undefined-field
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path = path:string()
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end
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local f, e = ioOpen(path, 'rb')
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if not f then
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return nil, e
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end
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local text = f:read 'a'
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f:close()
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if not keepBom then
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if text:sub(1, 3) == '\xEF\xBB\xBF' then
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return text:sub(4)
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end
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if text:sub(1, 2) == '\xFF\xFE'
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or text:sub(1, 2) == '\xFE\xFF' then
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return text:sub(3)
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end
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end
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return text
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end
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--- 写入文件
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---@param path any
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---@param content string
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function m.saveFile(path, content)
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if type(path) ~= 'string' then
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---@diagnostic disable-next-line: undefined-field
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path = path:string()
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end
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local f, e = ioOpen(path, "wb")
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if f then
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f:write(content)
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f:close()
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return true
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else
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return false, e
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end
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end
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function m.relative(path, base)
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local sPath = fs.absolute(path):string()
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local sBase = fs.absolute(base):string()
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--TODO 先只支持最简单的情况
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if sPath:sub(1, #sBase) == sBase
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and sPath:sub(#sBase + 1, #sBase + 1):match '^[/\\]' then
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return fs.path(sPath:sub(#sBase + 1):gsub('^[/\\]+', ''))
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end
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return nil
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end
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local function buildOption(option)
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option = option or {}
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option.add = option.add or {}
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option.del = option.del or {}
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option.mod = option.mod or {}
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option.err = option.err or {}
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return option
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end
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local function split(str, sep)
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local t = {}
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local current = 1
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while current <= #str do
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local s, e = str:find(sep, current)
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if not s then
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t[#t+1] = str:sub(current)
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break
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end
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if s > 1 then
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t[#t+1] = str:sub(current, s - 1)
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end
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current = e + 1
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end
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return t
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end
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---@class dummyfs
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---@operator div(string|fs.path|dummyfs): dummyfs
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---@field files table
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local dfs = {}
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dfs.__index = dfs
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dfs.type = 'dummy'
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dfs.path = ''
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---@return dummyfs
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function m.dummyFS(t)
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return setmetatable({
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files = t or {},
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}, dfs)
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end
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function dfs:__tostring()
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return 'dummy:' .. tostring(self.path)
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end
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function dfs:__div(filename)
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if type(filename) ~= 'string' then
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filename = filename:string()
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end
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local new = m.dummyFS(self.files)
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if self.path:sub(-1):match '[^/\\]' then
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new.path = self.path .. '\\' .. filename
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else
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new.path = self.path .. filename
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end
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return new
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end
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function dfs:_open(index)
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local paths = split(self.path, '[/\\]')
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local current = self.files
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if not index then
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index = #paths
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elseif index < 0 then
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index = #paths + index + 1
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end
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for i = 1, index do
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local path = paths[i]
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if current[path] then
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current = current[path]
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else
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return nil
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end
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end
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return current
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end
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function dfs:_filename()
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return self.path:match '[^/\\]+$'
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end
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function dfs:parent_path()
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local new = m.dummyFS(self.files)
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if self.path:find('[/\\]') then
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new.path = self.path:gsub('[/\\]+[^/\\]*$', '')
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else
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new.path = ''
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end
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return new
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end
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function dfs:filename()
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local new = m.dummyFS(self.files)
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new.path = self:_filename()
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return new
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end
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function dfs:string()
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return self.path
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end
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---@return fun(): dummyfs?
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function dfs:listDirectory()
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local dir = self:_open()
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if type(dir) ~= 'table' then
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return function () end
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end
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local keys = {}
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for k in pairs(dir) do
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keys[#keys+1] = k
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end
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tableSort(keys)
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local i = 0
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return function ()
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i = i + 1
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local k = keys[i]
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if not k then
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return nil
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end
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return self / k
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end
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end
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function dfs:isDirectory()
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local target = self:_open()
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if type(target) == 'table' then
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return true
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end
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return false
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end
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function dfs:remove()
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local dir = self:_open(-2)
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local filename = self:_filename()
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if not filename then
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return
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end
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dir[filename] = nil
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end
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function dfs:exists()
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local target = self:_open()
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return target ~= nil
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end
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function dfs:createDirectories(path)
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if not path then
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return false
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end
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if type(path) ~= 'string' then
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path = path:string()
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end
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local paths = split(path, '[/\\]+')
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local current = self.files
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for i = 1, #paths do
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local sub = paths[i]
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if current[sub] then
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if type(current[sub]) ~= 'table' then
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return false
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end
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else
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current[sub] = {}
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end
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current = current[sub]
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end
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return true
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end
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function dfs:saveFile(path, text)
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if not path then
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return false, 'no path'
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end
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if type(path) ~= 'string' then
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path = path:string()
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end
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local temp = m.dummyFS(self.files)
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temp.path = path
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local dir = temp:_open(-2)
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if not dir then
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return false, '无法打开:' .. path
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end
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local filename = temp:_filename()
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if not filename then
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return false, '无法打开:' .. path
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end
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if type(dir[filename]) == 'table' then
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return false, '无法打开:' .. path
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end
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dir[filename] = text
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return true
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end
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---@param path string|fs.path|dummyfs
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---@param option table
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---@return fs.path|dummyfs?
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local function fsAbsolute(path, option)
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if type(path) == 'string' then
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local suc, res = pcall(fs.path, path)
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if not suc then
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option.err[#option.err+1] = res
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return nil
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end
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path = res
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elseif type(path) == 'table' then
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return path
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end
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local suc, res = pcall(fs.absolute, path)
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if not suc then
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option.err[#option.err+1] = res
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return nil
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end
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return res
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end
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local function fsIsDirectory(path, option)
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if not path then
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return false
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end
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if path.type == 'dummy' then
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return path:isDirectory()
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end
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local status = fs.symlink_status(path):type()
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return status == 'directory'
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end
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---@param path fs.path|dummyfs|nil
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---@param option table
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---@return fun(): fs.path|dummyfs|nil
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local function fsPairs(path, option)
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if not path then
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return function () end
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end
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if path.type == 'dummy' then
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return path:listDirectory()
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end
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local suc, res = pcall(fs.pairs, path)
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if not suc then
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option.err[#option.err+1] = res
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return function () end
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end
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return res
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end
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local function fsRemove(path, option)
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if not path then
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return false
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end
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if path.type == 'dummy' then
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return path:remove()
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end
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local suc, res = pcall(fs.remove, path)
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if not suc then
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option.err[#option.err+1] = res
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end
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option.del[#option.del+1] = path:string()
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end
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local function fsExists(path, option)
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if not path then
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return false
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end
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if path.type == 'dummy' then
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return path:exists()
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end
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local suc, res = pcall(fs.exists, path)
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if not suc then
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option.err[#option.err+1] = res
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return false
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end
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return res
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end
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local function fsSave(path, text, option)
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if not path then
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return false
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end
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if path.type == 'dummy' then
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local dir = path:_open(-2)
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if not dir then
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option.err[#option.err+1] = '无法打开:' .. path:string()
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return false
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end
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local filename = path:_filename()
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if not filename then
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option.err[#option.err+1] = '无法打开:' .. path:string()
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return false
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end
|
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if type(dir[filename]) == 'table' then
|
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option.err[#option.err+1] = '无法打开:' .. path:string()
|
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|
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return false
|
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end
|
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|
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dir[filename] = text
|
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else
|
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local suc, err = m.saveFile(path, text)
|
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if suc then
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return true
|
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end
|
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option.err[#option.err+1] = err
|
||
|
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return false
|
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|
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end
|
||
|
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end
|
||
|
|
|
||
|
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local function fsLoad(path, option)
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|
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if not path then
|
||
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return nil
|
||
|
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end
|
||
|
|
if path.type == 'dummy' then
|
||
|
|
local text = path:_open()
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|
|
if type(text) == 'string' then
|
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return text
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|
|
else
|
||
|
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option.err[#option.err+1] = '无法打开:' .. path:string()
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||
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return nil
|
||
|
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end
|
||
|
|
else
|
||
|
|
local text, err = m.loadFile(path)
|
||
|
|
if text then
|
||
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|
return text
|
||
|
|
else
|
||
|
|
option.err[#option.err+1] = err
|
||
|
|
return nil
|
||
|
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end
|
||
|
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end
|
||
|
|
end
|
||
|
|
|
||
|
|
local function fsCopy(source, target, option)
|
||
|
|
if not source or not target then
|
||
|
|
return
|
||
|
|
end
|
||
|
|
if source.type == 'dummy' then
|
||
|
|
local sourceText = source:_open()
|
||
|
|
if not sourceText then
|
||
|
|
option.err[#option.err+1] = '无法打开:' .. source:string()
|
||
|
|
return false
|
||
|
|
end
|
||
|
|
return fsSave(target, sourceText, option)
|
||
|
|
else
|
||
|
|
if target.type == 'dummy' then
|
||
|
|
local sourceText, err = m.loadFile(source)
|
||
|
|
if not sourceText then
|
||
|
|
option.err[#option.err+1] = err
|
||
|
|
return false
|
||
|
|
end
|
||
|
|
return fsSave(target, sourceText, option)
|
||
|
|
else
|
||
|
|
local suc, res = pcall(fs.copy_file, source, target, fs.copy_options.overwrite_existing)
|
||
|
|
if not suc then
|
||
|
|
option.err[#option.err+1] = res
|
||
|
|
return false
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
return true
|
||
|
|
end
|
||
|
|
|
||
|
|
---@param path dummyfs|fs.path
|
||
|
|
---@param option table
|
||
|
|
local function fsCreateDirectories(path, option)
|
||
|
|
if not path then
|
||
|
|
return
|
||
|
|
end
|
||
|
|
if path.type == 'dummy' then
|
||
|
|
return path:createDirectories()
|
||
|
|
end
|
||
|
|
local suc, res = pcall(fs.create_directories, path)
|
||
|
|
if not suc then
|
||
|
|
option.err[#option.err+1] = res
|
||
|
|
return false
|
||
|
|
end
|
||
|
|
return true
|
||
|
|
end
|
||
|
|
|
||
|
|
local function fileRemove(path, option)
|
||
|
|
if not path then
|
||
|
|
return
|
||
|
|
end
|
||
|
|
if option.onRemove and option.onRemove(path) == false then
|
||
|
|
return
|
||
|
|
end
|
||
|
|
if fsIsDirectory(path, option) then
|
||
|
|
for child in fsPairs(path, option) do
|
||
|
|
fileRemove(child, option)
|
||
|
|
end
|
||
|
|
end
|
||
|
|
if fsRemove(path, option) then
|
||
|
|
option.del[#option.del+1] = path:string()
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
---@param source fs.path|dummyfs?
|
||
|
|
---@param target fs.path|dummyfs?
|
||
|
|
---@param option table
|
||
|
|
local function fileCopy(source, target, option)
|
||
|
|
if not source or not target then
|
||
|
|
return
|
||
|
|
end
|
||
|
|
local isDir1 = fsIsDirectory(source, option)
|
||
|
|
local isDir2 = fsIsDirectory(target, option)
|
||
|
|
local isExists = fsExists(target, option)
|
||
|
|
if isDir1 then
|
||
|
|
if isDir2 or fsCreateDirectories(target, option) then
|
||
|
|
for filePath in fsPairs(source, option) do
|
||
|
|
local name = filePath:filename():string()
|
||
|
|
fileCopy(filePath, target / name, option)
|
||
|
|
end
|
||
|
|
end
|
||
|
|
else
|
||
|
|
if isExists and not isDir2 then
|
||
|
|
local buf1 = fsLoad(source, option)
|
||
|
|
local buf2 = fsLoad(target, option)
|
||
|
|
if buf1 and buf2 then
|
||
|
|
if buf1 ~= buf2 then
|
||
|
|
if fsCopy(source, target, option) then
|
||
|
|
option.mod[#option.mod+1] = target:string()
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
else
|
||
|
|
if fsCopy(source, target, option) then
|
||
|
|
option.add[#option.add+1] = target:string()
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
---@param source fs.path|dummyfs?
|
||
|
|
---@param target fs.path|dummyfs?
|
||
|
|
---@param option table
|
||
|
|
local function fileSync(source, target, option)
|
||
|
|
if not source or not target then
|
||
|
|
return
|
||
|
|
end
|
||
|
|
local isDir1 = fsIsDirectory(source, option)
|
||
|
|
local isDir2 = fsIsDirectory(target, option)
|
||
|
|
local isExists = fsExists(target, option)
|
||
|
|
if isDir1 then
|
||
|
|
if isDir2 then
|
||
|
|
local fileList = m.fileList()
|
||
|
|
if type(target) == 'table' then
|
||
|
|
---@cast target dummyfs
|
||
|
|
for filePath in target:listDirectory() do
|
||
|
|
fileList[filePath] = true
|
||
|
|
end
|
||
|
|
else
|
||
|
|
---@cast target fs.path
|
||
|
|
for filePath in fs.pairs(target) do
|
||
|
|
fileList[filePath] = true
|
||
|
|
end
|
||
|
|
end
|
||
|
|
for filePath in fsPairs(source, option) do
|
||
|
|
local name = filePath:filename():string()
|
||
|
|
local targetPath = target / name
|
||
|
|
fileSync(filePath, targetPath, option)
|
||
|
|
fileList[targetPath] = nil
|
||
|
|
end
|
||
|
|
for path in pairs(fileList) do
|
||
|
|
fileRemove(path, option)
|
||
|
|
end
|
||
|
|
else
|
||
|
|
if isExists then
|
||
|
|
fileRemove(target, option)
|
||
|
|
end
|
||
|
|
if fsCreateDirectories(target, option) then
|
||
|
|
for filePath in fsPairs(source, option) do
|
||
|
|
local name = filePath:filename():string()
|
||
|
|
fileCopy(filePath, target / name, option)
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
else
|
||
|
|
if isDir2 then
|
||
|
|
fileRemove(target, option)
|
||
|
|
end
|
||
|
|
if isExists then
|
||
|
|
local buf1 = fsLoad(source, option)
|
||
|
|
local buf2 = fsLoad(target, option)
|
||
|
|
if buf1 and buf2 then
|
||
|
|
if buf1 ~= buf2 then
|
||
|
|
if fsCopy(source, target, option) then
|
||
|
|
option.mod[#option.mod+1] = target:string()
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
else
|
||
|
|
if fsCopy(source, target, option) then
|
||
|
|
option.add[#option.add+1] = target:string()
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
--- 文件列表
|
||
|
|
function m.fileList(option)
|
||
|
|
option = option or buildOption(option)
|
||
|
|
local os = platform.OS
|
||
|
|
local keyMap = {}
|
||
|
|
local fileList = {}
|
||
|
|
local function computeKey(path)
|
||
|
|
path = fsAbsolute(path, option)
|
||
|
|
if not path then
|
||
|
|
return nil
|
||
|
|
end
|
||
|
|
return path:string()
|
||
|
|
end
|
||
|
|
return setmetatable({}, {
|
||
|
|
__index = function (_, path)
|
||
|
|
local key = computeKey(path)
|
||
|
|
return fileList[key]
|
||
|
|
end,
|
||
|
|
__newindex = function (_, path, value)
|
||
|
|
local key = computeKey(path)
|
||
|
|
if not key then
|
||
|
|
return
|
||
|
|
end
|
||
|
|
if value == nil then
|
||
|
|
keyMap[key] = nil
|
||
|
|
else
|
||
|
|
keyMap[key] = path
|
||
|
|
fileList[key] = value
|
||
|
|
end
|
||
|
|
end,
|
||
|
|
__pairs = function ()
|
||
|
|
local key, path
|
||
|
|
return function ()
|
||
|
|
key, path = next(keyMap, key)
|
||
|
|
return path, fileList[key]
|
||
|
|
end
|
||
|
|
end,
|
||
|
|
})
|
||
|
|
end
|
||
|
|
|
||
|
|
--- 删除文件（夹）
|
||
|
|
function m.fileRemove(path, option)
|
||
|
|
option = buildOption(option)
|
||
|
|
path = fsAbsolute(path, option)
|
||
|
|
|
||
|
|
fileRemove(path, option)
|
||
|
|
|
||
|
|
return option
|
||
|
|
end
|
||
|
|
|
||
|
|
--- 复制文件（夹）
|
||
|
|
---@param source string|fs.path|dummyfs
|
||
|
|
---@param target string|fs.path|dummyfs
|
||
|
|
---@return table
|
||
|
|
function m.fileCopy(source, target, option)
|
||
|
|
option = buildOption(option)
|
||
|
|
local fsSource = fsAbsolute(source, option)
|
||
|
|
local fsTarget = fsAbsolute(target, option)
|
||
|
|
|
||
|
|
fileCopy(fsSource, fsTarget, option)
|
||
|
|
|
||
|
|
return option
|
||
|
|
end
|
||
|
|
|
||
|
|
--- 同步文件（夹）
|
||
|
|
---@param source string|fs.path|dummyfs
|
||
|
|
---@param target string|fs.path|dummyfs
|
||
|
|
---@return table
|
||
|
|
function m.fileSync(source, target, option)
|
||
|
|
option = buildOption(option)
|
||
|
|
local fsSource = fsAbsolute(source, option)
|
||
|
|
local fsTarget = fsAbsolute(target, option)
|
||
|
|
|
||
|
|
fileSync(fsSource, fsTarget, option)
|
||
|
|
|
||
|
|
return option
|
||
|
|
end
|
||
|
|
|
||
|
|
---@param dir fs.path
|
||
|
|
---@param callback fun(fullPath: fs.path)
|
||
|
|
function m.scanDirectory(dir, callback)
|
||
|
|
for fullpath in fs.pairs(dir) do
|
||
|
|
local status = fs.symlink_status(fullpath):type()
|
||
|
|
if status == 'directory' then
|
||
|
|
m.scanDirectory(fullpath, callback)
|
||
|
|
elseif status == 'regular' then
|
||
|
|
callback(fullpath)
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
function m.listDirectory(dir)
|
||
|
|
if dir.type == 'dummy' then
|
||
|
|
return dir:listDirectory()
|
||
|
|
else
|
||
|
|
return fs.pairs(dir)
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
return m
|