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local file = require 'files.file'
---@class files
local mt = {}
mt.__index = mt
mt.type = 'files'
mt._fileCount = 0
---@type table<uri, file>
mt._files = nil
---@param uri uri
---@param text string
function mt:save(uri, text, version)
local f = self._files[uri]
if not f then
f = file(uri)
self._files[uri] = f
self._fileCount = self._fileCount + 1
end
f:setText(text)
f:setVersion(version)
end
---@param uri uri
function mt:remove(uri)
local f = self._files[uri]
if not f then
return
end
f:remove()
self._files[uri] = nil
self._fileCount = self._fileCount - 1
end
---@param uri uri
function mt:open(uri)
self._open[uri] = true
end
---@param uri uri
function mt:close(uri)
self._open[uri] = nil
end
---@param uri uri
---@return boolean
function mt:isOpen(uri)
return self._open[uri] == true
end
---@param uri uri
function mt:isDead(uri)
local f = self._files[uri]
if not f then
return true
end
if f:isRemoved() then
return true
end
return f:getVersion() == -1
end
---@param uri uri
---@return file
function mt:get(uri)
return self._files[uri]
end
---@param uri uri
---@param vm VM
function mt:saveVM(uri, vm)
local f = self._files[uri]
if not f then
return
end
f:saveVM(vm)
end
function mt:clear()
for _, f in pairs(self._files) do
f:remove()
end
end
function mt:eachFile()
return pairs(self._files)
end
function mt:eachOpened()
return pairs(self._open)
end
return function ()
local self = setmetatable({
_files = {},
_open = {},
}, mt)
return self
end
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