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local msg = require 'mp.msg'
local function val2str(val)
if type(val) == "boolean" then
if val then val = "yes" else val = "no" end
end
return val
end
-- converts val to type of desttypeval
local function typeconv(desttypeval, val)
if type(desttypeval) == "boolean" then
if val == "yes" then
val = true
elseif val == "no" then
val = false
else
msg.error("Error: Can't convert " .. val .. " to boolean!")
val = nil
end
elseif type(desttypeval) == "number" then
if not (tonumber(val) == nil) then
val = tonumber(val)
else
msg.error("Error: Can't convert " .. val .. " to number!")
val = nil
end
end
return val
end
local function read_options(options, identifier)
if identifier == nil then
identifier = mp.get_script_name()
end
msg.debug("reading options for " .. identifier)
-- read config file
local conffilename = "lua-settings/" .. identifier .. ".conf"
local conffile = mp.find_config_file(conffilename)
local f = conffile and io.open(conffile,"r")
if f == nil then
-- config not found
msg.verbose(conffilename .. " not found.")
else
-- config exists, read values
local linecounter = 1
for line in f:lines() do
if string.find(line, "#") == 1 then
else
local eqpos = string.find(line, "=")
if eqpos == nil then
else
local key = string.sub(line, 1, eqpos-1)
local val = string.sub(line, eqpos+1)
-- match found values with defaults
if options[key] == nil then
msg.warn(conffilename..":"..linecounter..
" unknown key " .. key .. ", ignoring")
else
local convval = typeconv(options[key], val)
if convval == nil then
msg.error(conffilename..":"..linecounter..
" error converting value '" .. val ..
"' for key '" .. key .. "'")
else
options[key] = convval
end
end
end
end
linecounter = linecounter + 1
end
io.close(f)
end
--parse command-line options
for key, val in pairs(mp.get_property_native("options/script-opts")) do
local prefix = identifier.."-"
if not (string.find(key, prefix, 1, true) == nil) then
key = string.sub(key, string.len(prefix)+1)
-- match found values with defaults
if options[key] == nil then
msg.warn("script-opts: unknown key " .. key .. ", ignoring")
else
local convval = typeconv(options[key], val)
if convval == nil then
msg.error("script-opts: error converting value '" .. val ..
"' for key '" .. key .. "'")
else
options[key] = convval
end
end
end
end
end
-- backwards compatibility with broken read_options export
_G.read_options = read_options
return {
read_options = read_options,
}
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