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https://github.com/sbrl/Minetest-WorldEditAdditions.git
synced 2024-11-22 23:42:59 +00:00
37 lines
1.4 KiB
Lua
37 lines
1.4 KiB
Lua
local wea = worldeditadditions
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--- Parses a map of key-value pairs into a table.
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-- For example, "count 25000 speed 0.8 rate_erosion 0.006 doawesome true" would be parsed into
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-- the following table: { count = 25000, speed = 0.8, rate_erosion = 0.006, doawesome = true }.
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-- @param params_text string The string to parse.
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-- @param keywords string[]? Optional. A list of keywords. Keywords can be present on their own without a value. If found, their value will be automatically set to bool true.
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-- @returns table A table of key-value pairs parsed out from the given string.
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function worldeditadditions.parse.map(params_text, keywords)
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if not keywords then keywords = {} end
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local result = {}
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local parts = wea.split(params_text, "%s+", false)
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local last_key = nil
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local mode = "KEY"
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for i, part in ipairs(parts) do
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if mode == "VALUE" then
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-- Try converting to a number to see if it works
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local part_converted = tonumber(part)
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if part_converted == nil then part_converted = part end
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-- Look for bools
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if part_converted == "true" then part_converted = true end
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if part_converted == "false" then part_converted = false end
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result[last_key] = part_converted
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mode = "KEY"
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else
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last_key = part
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-- Keyword support
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if wea.table.contains(keywords, last_key) then
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result[last_key] = true
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else
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mode = "VALUE"
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end
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end
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end
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return true, result
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end
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