From ede1bd83a82243ffd64b44bd4fda445f8eb97a2c Mon Sep 17 00:00:00 2001 From: Matthew Wild Date: Fri, 21 Nov 2008 05:47:27 +0000 Subject: Import initial configmanager, not sure if it works yet, but it does pass the unit tests ;) --- core/configmanager.lua | 105 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 105 insertions(+) create mode 100644 core/configmanager.lua (limited to 'core/configmanager.lua') diff --git a/core/configmanager.lua b/core/configmanager.lua new file mode 100644 index 00000000..cc7ffb7e --- /dev/null +++ b/core/configmanager.lua @@ -0,0 +1,105 @@ + +local _G = _G; +module "configmanager" + +local parsers = {}; + +local config = { ["*"] = { core = {} } }; + +local global_config = config["*"]; + +-- When host not found, use global +setmetatable(config, { __index = function () return global_config; end}); +local host_mt = { __index = global_config }; + +-- When key not found in section, check key in global's section +function section_mt(section_name) + return { __index = function (t, k) + local section = rawget(global_config, section_name); + if not section then return nil; end + return section[k]; + end }; +end + +function get(host, section, key) + local sec = config[host][section]; + if sec then + return sec[key]; + end + return nil; +end + +function set(host, section, key, value) + if host and section and key then + local hostconfig = rawget(config, host); + if not hostconfig then + hostconfig = rawset(config, host, setmetatable({}, host_mt))[host]; + end + if not rawget(hostconfig, section) then + hostconfig[section] = setmetatable({}, section_mt(section)); + end + hostconfig[section][key] = value; + return true; + end + return false; +end + +function load(filename, format) + if parsers[format] and parsers[format].load then + local f = io.open(filename); + if f then + local ok, err = parsers[format](f:read("*a")); + f:close(); + return ok, err; + end + end + return false, "no parser"; +end + +function save(filename, format) +end + +function addparser(format, parser) + if format and parser then + parsers[format] = parser; + end +end + +do + parsers.lua = {}; + function parsers.lua.load(data) + local env = setmetatable({}, { __index = function (t, k) + if k:match("^mod_") then + return function (settings_table) + config[__currenthost or "*"][k] = settings_table; + end; + end + return rawget(_G, k); + end}); + + function env.Host(name) + env.__currenthost = name; + end + + local chunk, err = loadstring(data); + + if not chunk then + return nil, err; + end + + setfenv(chunk, env); + + local ok, err = pcall(chunk); + + if not ok then + return nil, err; + end + + + + return true; + end + +end + +return _M; \ No newline at end of file -- cgit v1.2.3 From d4f1fa92a2fc10324565151769344981ec26f30c Mon Sep 17 00:00:00 2001 From: Matthew Wild Date: Sun, 23 Nov 2008 02:12:46 +0000 Subject: New configmanager. Old-style config files still work, but will print a warning --- core/configmanager.lua | 36 ++++++++++++++++++++++++++---------- 1 file changed, 26 insertions(+), 10 deletions(-) (limited to 'core/configmanager.lua') diff --git a/core/configmanager.lua b/core/configmanager.lua index cc7ffb7e..5f5648b9 100644 --- a/core/configmanager.lua +++ b/core/configmanager.lua @@ -1,5 +1,7 @@ local _G = _G; +local setmetatable, loadfile, pcall, rawget, rawset, io = + setmetatable, loadfile, pcall, rawget, rawset, io; module "configmanager" local parsers = {}; @@ -21,6 +23,10 @@ function section_mt(section_name) end }; end +function getconfig() + return config; +end + function get(host, section, key) local sec = config[host][section]; if sec then @@ -45,15 +51,20 @@ function set(host, section, key, value) end function load(filename, format) + format = format or filename:match("%w+$"); if parsers[format] and parsers[format].load then local f = io.open(filename); if f then - local ok, err = parsers[format](f:read("*a")); + local ok, err = parsers[format].load(f:read("*a")); f:close(); return ok, err; end end - return false, "no parser"; + if not format then + return nil, "no parser specified"; + else + return false, "no parser"; + end end function save(filename, format) @@ -65,21 +76,28 @@ function addparser(format, parser) end end +-- Built-in Lua parser do + local loadstring, pcall, setmetatable = _G.loadstring, _G.pcall, _G.setmetatable; + local setfenv, rawget, tostring = _G.setfenv, _G.rawget, _G.tostring; parsers.lua = {}; function parsers.lua.load(data) - local env = setmetatable({}, { __index = function (t, k) - if k:match("^mod_") then - return function (settings_table) + local env; + env = setmetatable({ Host = true; host = true; }, { __index = function (t, k) + return rawget(_G, k) or + function (settings_table) config[__currenthost or "*"][k] = settings_table; end; - end - return rawget(_G, k); + end, + __newindex = function (t, k, v) + set(env.__currenthost or "*", "core", k, v); end}); function env.Host(name) - env.__currenthost = name; + rawset(env, "__currenthost", name); + set(name or "*", "core", "defined", true); end + env.host = env.Host; local chunk, err = loadstring(data); @@ -95,8 +113,6 @@ do return nil, err; end - - return true; end -- cgit v1.2.3