mirror of
https://github.com/rakshasa/rtorrent.git
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PRESFIL
79 lines
2.6 KiB
Lua
79 lines
2.6 KiB
Lua
-- The "rtorrent" table is passed in by the C++ code, modify and
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-- return it for loading.
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local args = {...}
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local rtorrent = args[1]
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-- Autocall
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-- Passes an empty first argument implicitly, as "".
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-- Allows syntax like:
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-- - `rtorrent.autocall.system.hostname()` or
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-- - `rtorrent.autocall.session.directory.set("/tmp/")`
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-- Has assignment operator, syntax sugar for `.set()` with single argument
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-- - `rtorrent.autocall.session.directory = "/tmp/"`
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-- Autocall-chains can be reused as aliases:
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-- ```lua
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-- a = rtorrent.autocall.system
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-- a.hostname() -- same as `rtorrent.autocall.system.hostname()`
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-- a.pid() -- same as `rtorrent.autocall.system.pid()`
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local mt = {}
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function mt.__call (t, ...)
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name = table.concat(rawget(t, "__namestack"), ".")
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tg = rawget(t, "__target") or ""
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success, ret = pcall(rtorrent.call, name, tg, ...)
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if not success then error(name..": "..ret, 2) end
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return ret
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end
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function mt.__index (t, key)
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ns = {table.unpack(rawget(t, "__namestack") or {})}
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tg = rawget(t, "__target") or nil
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table.insert(ns, key)
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return setmetatable({__namestack=ns, __target=tg}, mt)
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end
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function mt.__newindex (t, key, value)
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t[key].set(value)
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end
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rtorrent["autocall"] = setmetatable({}, mt)
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-- Target-object
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-- Sets first argment for Autocall, for commands that require target.
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-- Second argument allows to add prefix to command.
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-- Allows syntax like:
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-- - `rtorrent.Target("some_infohash").d.name()` or
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-- - `rtorrent.Target:new("some_infohash").d.name()`
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-- Also can be stored as variable
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local Target = setmetatable({
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new = function (self, target, prefix)
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return self(target, prefix)
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end;
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}, {
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__call = function (self, target, prefix)
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return setmetatable(
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{__namestack={prefix}, __target=target}, mt)
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end
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})
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rtorrent["Target"] = Target
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-- Some aliases for Target-commands
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for i, p in ipairs({ "d", "f", "p", "t", "load" }) do
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rtorrent[p] = function (target) return Target(target, p) end
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end
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-- Insert Lua method
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-- Allow insert global lua-finction `func_name` at rtorrent slot `name`
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-- @param name string rtorrent's slot
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-- @param func_name string name of global lua-function
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-- @param ... string list of rtorrent's arguments like `(d.name)` to be
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-- passed to lua-function when it be called by rtorrent
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rtorrent["insert_lua_method"] = function (name, func_name, ...)
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local args = {}
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for i, v in ipairs({...}) do
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args[i] = v or ("$argument." .. i-1 .. "=")
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end
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local arg_str = table.concat(args, ",")
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if #arg_str > 0 then arg_str = ","..arg_str end
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rtorrent.autocall.method.insert(name, "simple", 'lua.execute.str="return '..func_name..'(...)"'..arg_str)
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end
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return rtorrent
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