xmppcomponent_listener: Switch to util.xmppstream from xmlhandlers
[prosody.git] / core / configmanager.lua
index 54fb0a9ae82fdb61d22f4d1600f27855f84a3d46..52b9fd9849ef51ed8d115f708249c2fe9e8da6f8 100644 (file)
@@ -6,34 +6,33 @@
 -- COPYING file in the source package for more information.
 --
 
-
-
 local _G = _G;
 local  setmetatable, loadfile, pcall, rawget, rawset, io, error, dofile, type, pairs, table, format =
                setmetatable, loadfile, pcall, rawget, rawset, io, error, dofile, type, pairs, table, string.format;
 
 
-local eventmanager = require "core.eventmanager";
+local fire_event = prosody and prosody.events.fire_event or function () end;
+
+local path_sep = package.config:sub(1,1);
 
 module "configmanager"
 
 local parsers = {};
 
-local config = { ["*"] = { core = {} } };
-
-local global_config = config["*"];
+local config_mt = { __index = function (t, k) return rawget(t, "*"); end};
+local config = setmetatable({ ["*"] = { core = {} } }, config_mt);
 
 -- When host not found, use global
-setmetatable(config, { __index = function () return global_config; end});
-local host_mt = { __index = global_config };
+local host_mt = { };
 
 -- 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 };
+                                       local section = rawget(config["*"], section_name);
+                                       if not section then return nil; end
+                                       return section[k];
+                               end
+       };
 end
 
 function getconfig()
@@ -48,7 +47,7 @@ function get(host, section, key)
        return nil;
 end
 
-function set(host, section, key, value)
+local function set(config, host, section, key, value)
        if host and section and key then
                local hostconfig = rawget(config, host);
                if not hostconfig then
@@ -63,16 +62,45 @@ function set(host, section, key, value)
        return false;
 end
 
+function _M.set(host, section, key, value)
+       return set(config, host, section, key, value);
+end
+
+-- Helper function to resolve relative paths (needed by config)
+do
+       local rel_path_start = ".."..path_sep;
+       function resolve_relative_path(parent_path, path)
+               if path then
+                       local is_relative;
+                       if path_sep == "/" and path:sub(1,1) ~= "/" then
+                               is_relative = true;
+                       elseif path_sep == "\\" and (path:sub(1,1) ~= "/" and path:sub(2,3) ~= ":\\") then
+                               is_relative = true;
+                       end
+                       if is_relative then
+                               return parent_path..path_sep..path;
+                       end
+               end
+               return path;
+       end     
+end
+
 function load(filename, format)
        format = format or filename:match("%w+$");
 
        if parsers[format] and parsers[format].load then
                local f, err = io.open(filename);
                if f then
-                       local ok, err = parsers[format].load(f:read("*a"), filename);
+                       local new_config = setmetatable({ ["*"] = { core = {} } }, config_mt);
+                       local ok, err = parsers[format].load(f:read("*a"), filename, new_config);
                        f:close();
                        if ok then
-                               eventmanager.fire_event("config-reloaded", { filename = filename, format = format });
+                               config = new_config;
+                               fire_event("config-reloaded", {
+                                       filename = filename,
+                                       format = format,
+                                       config = config
+                               });
                        end
                        return ok, "parser", err;
                end
@@ -109,19 +137,23 @@ 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, filename)
+       function parsers.lua.load(data, filename, config)
                local env;
                -- The ' = true' are needed so as not to set off __newindex when we assign the functions below
-               env = setmetatable({ Host = true, host = true, VirtualHost = true, Component = true, component = true,
-                                                       Include = true, include = true, RunScript = dofile }, { __index = function (t, k)
-                                                                                               return rawget(_G, k) or
-                                                                                                               function (settings_table)
-                                                                                                                       config[__currenthost or "*"][k] = settings_table;
-                                                                                                               end;
-                                                                               end,
-                                                               __newindex = function (t, k, v)
-                                                                                       set(env.__currenthost or "*", "core", k, v);
-                                                                               end});
+               env = setmetatable({
+                       Host = true, host = true, VirtualHost = true,
+                       Component = true, component = true,
+                       Include = true, include = true, RunScript = true }, {
+                               __index = function (t, k)
+                                       return rawget(_G, k) or
+                                               function (settings_table)
+                                                       config[__currenthost or "*"][k] = settings_table;
+                                               end;
+                               end,
+                               __newindex = function (t, k, v)
+                                       set(config, env.__currenthost or "*", "core", k, v);
+                               end
+               });
                
                rawset(env, "__currenthost", "*") -- Default is global
                function env.VirtualHost(name)
@@ -131,7 +163,13 @@ do
                        end
                        rawset(env, "__currenthost", name);
                        -- Needs at least one setting to logically exist :)
-                       set(name or "*", "core", "defined", true);
+                       set(config, name or "*", "core", "defined", true);
+                       return function (config_options)
+                               rawset(env, "__currenthost", "*"); -- Return to global scope
+                               for option_name, option_value in pairs(config_options) do
+                                       set(config, name or "*", "core", option_name, option_value);
+                               end
+                       end;
                end
                env.Host, env.host = env.VirtualHost, env.VirtualHost;
                
@@ -140,15 +178,23 @@ do
                                error(format("Component %q clashes with previously defined Host %q, for services use a sub-domain like conference.%s",
                                        name, name, name), 0);
                        end
-                       set(name, "core", "component_module", "component");
+                       set(config, name, "core", "component_module", "component");
                        -- Don't load the global modules by default
-                       set(name, "core", "load_global_modules", false);
+                       set(config, name, "core", "load_global_modules", false);
                        rawset(env, "__currenthost", name);
+                       local function handle_config_options(config_options)
+                               rawset(env, "__currenthost", "*"); -- Return to global scope
+                               for option_name, option_value in pairs(config_options) do
+                                       set(config, name or "*", "core", option_name, option_value);
+                               end
+                       end
        
                        return function (module)
                                        if type(module) == "string" then
-                                               set(name, "core", "component_module", module);
+                                               set(config, name, "core", "component_module", module);
+                                               return handle_config_options;
                                        end
+                                       return handle_config_options(module);
                                end
                end
                env.component = env.Component;
@@ -157,14 +203,19 @@ do
                        local f, err = io.open(file);
                        if f then
                                local data = f:read("*a");
-                               local ok, err = parsers.lua.load(data, file);
-                               if not ok then error(err:gsub("%[string.-%]", file), 0); end
+                               local file = resolve_relative_path(filename:gsub("[^"..path_sep.."]+$", ""), file);
+                               local ret, err = parsers.lua.load(data, file, config);
+                               if not ret then error(err:gsub("%[string.-%]", file), 0); end
                        end
                        if not f then error("Error loading included "..file..": "..err, 0); end
                        return f, err;
                end
                env.include = env.Include;
                
+               function env.RunScript(file)
+                       return dofile(resolve_relative_path(filename:gsub("[^"..path_sep.."]+$", ""), file));
+               end
+               
                local chunk, err = loadstring(data, "@"..filename);
                
                if not chunk then