109 lines
2.6 KiB
Lua
109 lines
2.6 KiB
Lua
local Trans = require('Trans')
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local util = Trans.util
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local function init_opts(opts)
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opts = opts or {}
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opts.mode = opts.mode or ({
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n = 'normal',
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v = 'visual',
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})[vim.api.nvim_get_mode().mode]
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opts.str = util.get_str(opts.mode)
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return opts
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end
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---To Do Online Query
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---@param data TransData @data
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---@param backend TransOnlineBackend @backend
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local function do_query(data, backend)
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-- TODO : template method for online query
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local name = backend.name
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local uri = backend.uri
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local method = backend.method
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local formatter = backend.formatter
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local query = backend.get_query(data)
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local header = type(backend.header) == "function" and backend.header(data) or backend.header
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local function handle(output)
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local status, body = pcall(vim.json.decode, output.body)
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if not status or not body then
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if not Trans.conf.debug then
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backend.debug(body)
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data.trace[name] = output
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end
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data.result[name] = false
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return
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end
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-- vim.print(data.result[name])
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data.result[name] = formatter(body, data)
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end
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Trans.curl[method](uri, {
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query = query,
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callback = handle,
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header = header,
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})
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-- Hook ?
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end
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---@type table<string, fun(data: TransData):boolean>
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local strategy = {
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fallback = function(data)
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local result = data.result
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Trans.backend.offline.query(data)
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if result.offline then return true end
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local update = data.frontend:wait()
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for _, backend in ipairs(data.backends) do
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do_query(data, backend)
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local name = backend.name
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---@cast backend TransBackend
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while result[name] == nil do
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if not update() then break end
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end
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if result[name] then return true end
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end
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return false
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end,
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--- TODO :More Strategys
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}
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-- HACK : Core process logic
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local function process(opts)
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opts = init_opts(opts)
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local str = opts.str
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if not str or str == '' then return end
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-- Find in cache
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if Trans.cache[str] then
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local data = Trans.cache[str]
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data.frontend:process(data)
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return
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end
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local data = Trans.data.new(opts)
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if strategy[Trans.conf.query](data) then
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Trans.cache[data.str] = data
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data.frontend:process(data)
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else
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data.frontend:fallback()
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end
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end
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---@class Trans
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---@field translate fun(opts: { frontend: string?, mode: string?}?) Translate string core function
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return function(opts)
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coroutine.wrap(process)(opts)
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end
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