mirror of
https://github.com/neovim/neovim.git
synced 2024-12-29 14:41:06 -07:00
d6279f9392
Eliminates lua-client and non-static libluv as test time dependencies Note: the API for a public lua-client is not yet finished. The interface needs to be adjusted to work in the embedded loop of a nvim instance (to use it to talk between instances)
113 lines
3.2 KiB
Lua
113 lines
3.2 KiB
Lua
local mpack = require('mpack')
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-- temporary hack to be able to manipulate buffer/window/tabpage
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local Buffer = {}
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Buffer.__index = Buffer
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function Buffer.new(id) return setmetatable({id=id}, Buffer) end
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local Window = {}
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Window.__index = Window
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function Window.new(id) return setmetatable({id=id}, Window) end
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local Tabpage = {}
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Tabpage.__index = Tabpage
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function Tabpage.new(id) return setmetatable({id=id}, Tabpage) end
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local Response = {}
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Response.__index = Response
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function Response.new(msgpack_rpc_stream, request_id)
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return setmetatable({
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_msgpack_rpc_stream = msgpack_rpc_stream,
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_request_id = request_id
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}, Response)
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end
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function Response:send(value, is_error)
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local data = self._msgpack_rpc_stream._session:reply(self._request_id)
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if is_error then
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data = data .. self._msgpack_rpc_stream._pack(value)
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data = data .. self._msgpack_rpc_stream._pack(mpack.NIL)
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else
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data = data .. self._msgpack_rpc_stream._pack(mpack.NIL)
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data = data .. self._msgpack_rpc_stream._pack(value)
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end
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self._msgpack_rpc_stream._stream:write(data)
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end
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local MsgpackRpcStream = {}
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MsgpackRpcStream.__index = MsgpackRpcStream
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function MsgpackRpcStream.new(stream)
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return setmetatable({
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_stream = stream,
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_pack = mpack.Packer({
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ext = {
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[Buffer] = function(o) return 0, mpack.encode(o.id) end,
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[Window] = function(o) return 1, mpack.encode(o.id) end,
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[Tabpage] = function(o) return 2, mpack.encode(o.id) end
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}
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}),
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_session = mpack.Session({
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unpack = mpack.Unpacker({
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ext = {
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[0] = function(_c, s) return Buffer.new(mpack.decode(s)) end,
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[1] = function(_c, s) return Window.new(mpack.decode(s)) end,
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[2] = function(_c, s) return Tabpage.new(mpack.decode(s)) end
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}
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})
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}),
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}, MsgpackRpcStream)
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end
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function MsgpackRpcStream:write(method, args, response_cb)
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local data
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if response_cb then
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assert(type(response_cb) == 'function')
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data = self._session:request(response_cb)
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else
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data = self._session:notify()
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end
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data = data .. self._pack(method) .. self._pack(args)
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self._stream:write(data)
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end
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function MsgpackRpcStream:read_start(request_cb, notification_cb, eof_cb)
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self._stream:read_start(function(data)
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if not data then
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return eof_cb()
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end
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local type, id_or_cb, method_or_error, args_or_result
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local pos = 1
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local len = #data
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while pos <= len do
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type, id_or_cb, method_or_error, args_or_result, pos =
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self._session:receive(data, pos)
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if type == 'request' or type == 'notification' then
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if type == 'request' then
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request_cb(method_or_error, args_or_result, Response.new(self,
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id_or_cb))
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else
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notification_cb(method_or_error, args_or_result)
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end
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elseif type == 'response' then
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if method_or_error == mpack.NIL then
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method_or_error = nil
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else
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args_or_result = nil
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end
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id_or_cb(method_or_error, args_or_result)
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end
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end
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end)
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end
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function MsgpackRpcStream:read_stop()
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self._stream:read_stop()
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end
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function MsgpackRpcStream:close(signal)
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self._stream:close(signal)
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end
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return MsgpackRpcStream
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