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core.moduleapi: Allow specifying an acceptable range for number options

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This commit is contained in:
Kim Alvefur 2021-10-05 15:36:38 +02:00
parent a8b0c56f65
commit 924064a30a
3 changed files with 16 additions and 2 deletions
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16
core/moduleapi.lua
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@ -232,12 +232,24 @@ function api:get_option_string(name, default_value)
return tostring(value);
end
function api:get_option_number(name, ...)
local value = self:get_option_scalar(name, ...);
function api:get_option_number(name, default_value, min, max)
local value = self:get_option_scalar(name, default_value);
local ret = tonumber(value);
if value ~= nil and ret == nil then
self:log("error", "Config option '%s' not understood, expecting a number", name);
end
if ret == default_value then
-- skip interval checks for default or nil
return ret;
end
if min and ret < min then
self:log("warn", "Config option '%s' out of bounds %g < %g", name, ret, min);
return min;
end
if max and ret > max then
self:log("warn", "Config option '%s' out of bounds %g > %g", name, ret, max);
return max;
end
return ret;
end