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https://github.com/AntumMT/mod-wdata.git
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Add API for reading/writing json configs in world path
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parent
a589077307
commit
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89
api.lua
Normal file
89
api.lua
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@ -0,0 +1,89 @@
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-- store formatted world path
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local world_path = core.get_worldpath():gsub("\\", "/")
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--- Retrieves directory path where file is located.
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--
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-- @local
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-- @get_dir
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-- @tparam string fpath Full path to file.
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-- @treturn string Full path to directory.
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local function get_dir(fpath)
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-- format to make working with easier
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fpath = fpath:gsub("\\", "/")
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local idx = fpath:find("/[^/]*$")
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-- use world directory by default
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if not idx or idx == 0 then
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return world_path
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end
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return fpath:sub(1, idx-1)
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end
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--- Reads config file from world directory.
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--
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-- @function wconfig.read
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-- @tparam string fname Base filename with optional directory structure (e.g. "my_mod/my_config")
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-- @treturn table Table with contents read from json file or `nil`.
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function wconfig.read(fname)
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local fpath = world_path .. "/" .. fname .. ".json"
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-- check if file exists
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local fopen = io.open(fpath, "r")
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if not fopen then
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wconfig.log("error", "file not found: " .. fpath)
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return
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end
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local table_data = core.parse_json(fopen:read("*a"))
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io.close(fopen)
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if not table_data then
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wconfig.log("error", "cannot read json data from file: " .. fpath)
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return
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end
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return table_data
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end
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--- Writes to config file in world directory.
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--
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-- @function wconfig.write
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-- @tparam string fname Base filename with optional directory structure (e.g. "my_mod/my_config").
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-- @tparam table data Table data to be written to config file.
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-- @tparam bool styled Outputs in a human-readable format if this is set (default: `true`).
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-- @treturn bool `true` if succeeded, `false` if not.
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function wconfig.write(fname, data, styled)
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styled = styled ~= false
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local json_data = core.write_json(data, styled)
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if not json_data then
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wconfig.log("error", "cannot convert data to json format")
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return false
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end
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local fpath = world_path .. "/" .. fname .. ".json"
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-- create directory tree if necessary
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local dirname = get_dir(fpath)
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if dirname ~= world_path then
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if not core.mkdir(dirname) then
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wconfig.log("error", "cannot create directory: " .. dirname)
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return false
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end
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end
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return core.safe_file_write(fpath, json_data)
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end
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-- aliases
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if not core.read_world_config then
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core.read_world_config = wconfig.read
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end
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if not core.write_world_config then
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core.write_world_config = wconfig.write
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end
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3
init.lua
3
init.lua
@ -16,3 +16,6 @@ function wconfig.log(lvl, msg)
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core.log(lvl, msg)
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core.log(lvl, msg)
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end
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end
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end
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end
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dofile(wconfig.modpath .. "/api.lua")
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