Neovim-SpecSwitcher/plugin/ExtensionTree.lua
2024-09-29 17:54:42 +02:00

67 lines
1.5 KiB
Lua

ExtTree = {}
function ExtTree:new (o)
o = o or {}
setmetatable(o, self)
self.__index = self
return o
end
function ExtTree:add_single (in_ext, out_ext)
if self[in_ext] ~= nil then
if type(out_ext) == "table" then
for _, out in ipairs(out_ext) do
table.insert(self[in_ext], out)
end
else
table.insert(self[in_ext], out_ext)
end
else
if type(out_ext) == "table" then
self[in_ext] = out_ext
else
self[in_ext] = {out_ext}
end
end
end
function ExtTree:add_multiple (in_exts, out_exts)
if type(in_exts) == "table" then
for _, in_ext in ipairs(in_exts) do
self:add_single( in_ext, out_exts)
end
else
self:add_single( in_exts, out_exts )
end
if type(out_exts) == "table" then
for _, out_ext in ipairs(out_exts) do
self:add_single( out_ext, in_exts)
end
else
self:add_single( out_exts, in_exts )
end
end
function ExtTree:print ()
base = "%s -> "
for I in pairs(self) do
local in_map = string.format(base, I)
for _, O in ipairs(self[I]) do
in_map = in_map .. O .. ","
end
print(in_map)
end
end
p1 = ExtTree:new(nil)
p1:add_multiple("h", {"c", "cpp", "cxx", "cc", "CC"})
p1:add_multiple("H", {"C", "CPP", "CXX", "CC"})
p1:add_multiple("hpp", {"cpp", "c"})
p1:add_multiple("HPP", {"CPP", "C"})
p1:add_multiple("ads", "adb")
p1:print()