Hilbish/nature/runner.lua

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local currentRunner = 'hybrid'
local runnerHandler = {}
local runners = {}
function runnerHandler.get(name)
local r = runners[name]
if not r then
error(string.format('runner %s does not exist', name))
end
return r
end
function runnerHandler.add(name, runner)
if type(name) ~= 'string' then
error 'expected runner name to be a table'
end
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if type(runner) == 'function' then
runner = {run = runner} -- this probably looks confusing
end
if type(runner) ~= 'table' then
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error 'expected runner to be a table or function'
end
if runners[name] then
error(string.format('runner %s already exists', name))
end
runnerHandler.set(name, runner)
end
function runnerHandler.set(name, runner)
if not runner.run or type(runner.run) ~= 'function' then
error 'run function in runner missing'
end
runners[name] = runner
end
function runnerHandler.exec(cmd, runnerName)
if not runnerName then runnerName = currentRunner end
local r = runnerHandler.get(runnerName)
return r.run(cmd)
end
function runnerHandler.setCurrent(name)
local r = runnerHandler.get(name)
currentRunner = name
hilbish.runner.setMode(r.run)
end
-- add functions to hilbish.runner
for k, v in ipairs(runnerHandler) do hilbish.runner[k] = v end