minetest-mm/mods/techpack/smartline/icta/edit.lua

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--[[
ICTA Controller
===============
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Copyright (C) 2017-2020 Joachim Stolberg
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AGPL v3
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See LICENSE.txt for more information
edit.lua
]]--
function smartline.edit_command(fs_data, text)
local cmnd, pos1, pos2 = text:match('^(%S)%s(%d+)%s(%d+)$')
if pos2 == nil then
cmnd, pos1 = text:match('^(%S)%s(%d+)$')
end
if cmnd and pos1 and pos2 then
pos1 = math.max(1, math.min(pos1, smartline.NUM_RULES))
pos2 = math.max(1, math.min(pos2, smartline.NUM_RULES))
if cmnd == "x" then
local temp = fs_data[pos1]
fs_data[pos1] = fs_data[pos2]
fs_data[pos2] = temp
return "rows "..pos1.." and "..pos2.." exchanged"
end
if cmnd == "c" then
fs_data[pos2] = table.copy(fs_data[pos1])
return "row "..pos1.." copied to "..pos2
end
elseif cmnd == "d" and pos1 then
pos1 = math.max(1, math.min(pos1, smartline.NUM_RULES))
fs_data[pos1] = {}
return "row "..pos1.." deleted"
end
return "Invalid command '"..text.."'"
end