mirror of
https://github.com/ddnet/ddnet.git
synced 2024-11-19 14:38:18 +00:00
503 lines
12 KiB
Lua
503 lines
12 KiB
Lua
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--[[@GROUP Configuration@END]]--
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--[[@FUNCTION
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TODO
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@END]]--
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function NewConfig(on_configured_callback)
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local config = {}
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config.OnConfigured = function(self)
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return true
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end
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if on_configured_callback then config.OnConfigured = on_configured_callback end
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config.options = {}
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config.settings = NewSettings()
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config.NewSettings = function(self)
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local s = NewSettings()
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for _,v in pairs(self.options) do
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v:Apply(s)
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end
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return s
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end
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config.Add = function(self, o)
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table.insert(self.options, o)
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self[o.name] = o
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end
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config.Print = function(self)
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for k,v in pairs(self.options) do
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print(v:FormatDisplay())
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end
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end
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config.Save = function(self, filename)
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print("saved configuration to '"..filename.."'")
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local file = io.open(filename, "w")
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-- Define a little helper function to save options
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local saver = {}
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saver.file = file
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saver.line = function(self, str)
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self.file:write(str .. "\n")
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end
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saver.option = function(self, option, name)
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local valuestr = "no"
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if type(option[name]) == type(0) then
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valuestr = option[name]
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elseif type(option[name]) == type(true) then
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valuestr = "false"
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if option[name] then
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valuestr = "true"
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end
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elseif type(option[name]) == type("") then
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valuestr = "'"..option[name].."'"
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else
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error("option "..name.." have a value of type ".. type(option[name]).." that can't be saved")
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end
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self.file:write(option.name.."."..name.." = ".. valuestr.."\n")
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end
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-- Save all the options
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for k,v in pairs(self.options) do
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v:Save(saver)
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end
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file:close()
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end
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config.Load = function(self, filename)
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local options_func = loadfile(filename)
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local options_table = {}
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if not options_func then
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print("auto configuration")
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self:Config(filename)
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options_func = loadfile(filename)
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end
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if options_func then
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-- Setup the options tables
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for k,v in pairs(self.options) do
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options_table[v.name] = {}
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end
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setfenv(options_func, options_table)
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-- this is to make sure that we get nice error messages when
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-- someone sets an option that isn't valid.
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local mt = {}
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mt.__index = function(t, key)
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local v = rawget(t, key)
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if v ~= nil then return v end
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error("there is no configuration option named '" .. key .. "'")
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end
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setmetatable(options_table, mt)
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-- Process the options
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options_func()
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-- Copy the options
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for k,v in pairs(self.options) do
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if options_table[v.name] then
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for k2,v2 in pairs(options_table[v.name]) do
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v[k2] = v2
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end
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v.auto_detected = false
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end
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end
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else
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print("error: no '"..filename.."' found")
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print("")
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print("run 'bam config' to generate")
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print("run 'bam config help' for configuration options")
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print("")
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os.exit(1)
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end
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end
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config.Config = function(self, filename)
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print("")
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print("configuration:")
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if _bam_targets[1] == "print" then
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self:Load(filename)
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self:Print()
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print("")
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print("notes:")
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self:OnConfigured()
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print("")
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else
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self:Autodetect()
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print("")
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print("notes:")
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if self:OnConfigured() then
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self:Save(filename)
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end
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print("")
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end
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end
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config.Autodetect = function(self)
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for k,v in pairs(self.options) do
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v:Check(self.settings)
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print(v:FormatDisplay())
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self[v.name] = v
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end
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end
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config.PrintHelp = function(self)
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print("options:")
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for k,v in pairs(self.options) do
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if v.PrintHelp then
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v:PrintHelp()
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end
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end
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end
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config.Finalize = function(self, filename)
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if _bam_targets[0] == "config" then
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if _bam_targets[1] == "help" then
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self:PrintHelp()
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os.exit(0)
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end
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self:Config(filename)
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os.exit(0)
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end
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self:Load(filename)
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bam_update_globalstamp(filename)
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end
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return config
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end
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-- Helper functions --------------------------------------
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function DefaultOptionDisplay(option)
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if not option.value then return "no" end
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if option.value == 1 or option.value == true then return "yes" end
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return option.value
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end
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function IsNegativeTerm(s)
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if s == "no" then return true end
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if s == "false" then return true end
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if s == "off" then return true end
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if s == "disable" then return true end
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if s == "0" then return true end
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return false
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end
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function IsPositiveTerm(s)
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if s == "yes" then return true end
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if s == "true" then return true end
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if s == "on" then return true end
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if s == "enable" then return true end
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if s == "1" then return true end
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return false
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end
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function MakeOption(name, value, check, save, display, printhelp)
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local o = {}
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o.name = name
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o.value = value
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o.Check = check
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o.Save = save
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o.auto_detected = true
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o.FormatDisplay = function(self)
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local a = "SET"
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if self.auto_detected then a = "AUTO" end
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return string.format("%-5s %-20s %s", a, self.name, self:Display())
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end
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o.Display = display
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o.PrintHelp = printhelp
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if o.Display == nil then o.Display = DefaultOptionDisplay end
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return o
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end
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-- Test Compile C --------------------------------------
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function OptTestCompileC(name, source, compileoptions, desc)
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local check = function(option, settings)
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option.value = false
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if ScriptArgs[option.name] then
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if IsNegativeTerm(ScriptArgs[option.name]) then
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option.value = false
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elseif IsPositiveTerm(ScriptArgs[option.name]) then
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option.value = true
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else
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error(ScriptArgs[option.name].." is not a valid value for option "..option.name)
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end
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option.auto_detected = false
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else
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if CTestCompile(settings, option.source, option.compileoptions) then
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option.value = true
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end
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end
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end
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local save = function(option, output)
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output:option(option, "value")
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end
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local printhelp = function(option)
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print("\t"..option.name.."=on|off")
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if option.desc then print("\t\t"..option.desc) end
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end
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local o = MakeOption(name, false, check, save, nil, printhelp)
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o.desc = desc
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o.source = source
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o.compileoptions = compileoptions
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return o
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end
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-- OptToggle --------------------------------------
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function OptToggle(name, default_value, desc)
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local check = function(option, settings)
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if ScriptArgs[option.name] then
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if IsNegativeTerm(ScriptArgs[option.name]) then
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option.value = false
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elseif IsPositiveTerm(ScriptArgs[option.name]) then
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option.value = true
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else
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error(ScriptArgs[option.name].." is not a valid value for option "..option.name)
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end
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end
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end
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local save = function(option, output)
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output:option(option, "value")
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end
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local printhelp = function(option)
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print("\t"..option.name.."=on|off")
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if option.desc then print("\t\t"..option.desc) end
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end
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local o = MakeOption(name, default_value, check, save, nil, printhelp)
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o.desc = desc
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return o
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end
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-- OptInteger --------------------------------------
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function OptInteger(name, default_value, desc)
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local check = function(option, settings)
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if ScriptArgs[option.name] then
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option.value = tonumber(ScriptArgs[option.name])
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end
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end
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local save = function(option, output)
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output:option(option, "value")
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end
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local printhelp = function(option)
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print("\t"..option.name.."=N")
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if option.desc then print("\t\t"..option.desc) end
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end
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local o = MakeOption(name, default_value, check, save, nil, printhelp)
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o.desc = desc
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return o
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end
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-- OptString --------------------------------------
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function OptString(name, default_value, desc)
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local check = function(option, settings)
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if ScriptArgs[option.name] then
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option.value = ScriptArgs[option.name]
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end
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end
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local save = function(option, output)
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output:option(option, "value")
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end
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local printhelp = function(option)
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print("\t"..option.name.."=STRING")
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if option.desc then print("\t\t"..option.desc) end
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end
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local o = MakeOption(name, default_value, check, save, nil, printhelp)
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o.desc = desc
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return o
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end
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-- Find Compiler --------------------------------------
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--[[@FUNCTION
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TODO
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@END]]--
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function OptCCompiler(name, default_driver, default_c, default_cxx, desc)
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local check = function(option, settings)
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if ScriptArgs[option.name] then
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-- set compile driver
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option.driver = ScriptArgs[option.name]
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-- set c compiler
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if ScriptArgs[option.name..".c"] then
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option.c_compiler = ScriptArgs[option.name..".c"]
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end
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-- set c+= compiler
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if ScriptArgs[option.name..".cxx"] then
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option.cxx_compiler = ScriptArgs[option.name..".cxx"]
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end
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option.auto_detected = false
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elseif option.driver then
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-- no need todo anything if we have a driver
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-- TODO: test if we can find the compiler
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else
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if ExecuteSilent("cl") == 0 then
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option.driver = "cl"
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elseif ExecuteSilent("g++ -v") == 0 then
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option.driver = "gcc"
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else
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error("no c/c++ compiler found")
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end
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end
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--setup_compiler(option.value)
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end
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local apply = function(option, settings)
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if option.driver == "cl" then
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SetDriversCL(settings)
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elseif option.driver == "gcc" then
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SetDriversGCC(settings)
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elseif option.driver == "clang" then
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SetDriversClang(settings)
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else
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error(option.driver.." is not a known c/c++ compile driver")
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end
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if option.c_compiler then settings.cc.c_compiler = option.c_compiler end
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if option.cxx_compiler then settings.cc.cxx_compiler = option.cxx_compiler end
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end
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local save = function(option, output)
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output:option(option, "driver")
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output:option(option, "c_compiler")
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output:option(option, "cxx_compiler")
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end
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local printhelp = function(option)
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local a = ""
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if option.desc then a = "for "..option.desc end
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print("\t"..option.name.."=gcc|cl|clang")
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print("\t\twhat c/c++ compile driver to use"..a)
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print("\t"..option.name..".c=FILENAME")
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print("\t\twhat c compiler executable to use"..a)
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print("\t"..option.name..".cxx=FILENAME")
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print("\t\twhat c++ compiler executable to use"..a)
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end
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local display = function(option)
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local s = option.driver
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if option.c_compiler then s = s .. " c="..option.c_compiler end
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if option.cxx_compiler then s = s .. " cxx="..option.cxx_compiler end
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return s
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end
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local o = MakeOption(name, nil, check, save, display, printhelp)
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o.desc = desc
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o.driver = false
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o.c_compiler = false
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o.cxx_compiler = false
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if default_driver then o.driver = default_driver end
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if default_c then o.c_compiler = default_c end
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if default_cxx then o.cxx_compiler = default_cxx end
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o.Apply = apply
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return o
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end
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-- Option Library --------------------------------------
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--[[@FUNCTION
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TODO
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@END]]--
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function OptLibrary(name, header, desc)
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local check = function(option, settings)
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option.value = false
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option.include_path = false
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local function check_compile_include(filename, paths)
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if CTestCompile(settings, "#include <" .. filename .. ">\nint main(){return 0;}", "") then
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return ""
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end
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for k,v in pairs(paths) do
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if CTestCompile(settings, "#include <" .. filename .. ">\nint main(){return 0;}", "-I"..v) then
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return v
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end
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end
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return false
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end
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if ScriptArgs[option.name] then
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if IsNegativeTerm(ScriptArgs[option.name]) then
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option.value = false
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elseif ScriptArgs[option.name] == "system" then
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option.value = true
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else
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option.value = true
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option.include_path = ScriptArgs[option.name]
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end
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option.auto_detected = false
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else
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option.include_path = check_compile_include(option.header, {})
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if option.include_path == false then
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if option.required then
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print(name.." library not found and is required")
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error("required library not found")
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end
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else
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option.value = true
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option.include_path = false
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end
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end
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end
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local save = function(option, output)
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output:option(option, "value")
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output:option(option, "include_path")
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end
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local display = function(option)
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if option.value then
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if option.include_path then
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return option.include_path
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else
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return "(in system path)"
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end
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else
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return "not found"
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end
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end
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local printhelp = function(option)
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print("\t"..option.name.."=disable|system|PATH")
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if option.desc then print("\t\t"..option.desc) end
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end
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local o = MakeOption(name, false, check, save, display, printhelp)
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o.include_path = false
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o.header = header
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o.desc = desc
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return o
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end
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