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code /
prosody
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core/configmanager.lua @ 3923:f95375aceed0
configmanager: Support for wildcards in Include directives
author | Matthew Wild <mwild1@gmail.com> |
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date | Mon, 20 Dec 2010 14:06:32 +0000 |
parent | 3898:b1140808598b |
child | 3929:7cb03d67101b |
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--- a/core/configmanager.lua Mon Dec 20 14:06:16 2010 +0000 +++ b/core/configmanager.lua Mon Dec 20 14:06:32 2010 +0000 @@ -7,12 +7,13 @@ -- 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 setmetatable, loadfile, pcall, rawget, rawset, io, error, dofile, type, pairs, table = + setmetatable, loadfile, pcall, rawget, rawset, io, error, dofile, type, pairs, table; +local format, math_max = string.format, math.max; local fire_event = prosody and prosody.events.fire_event or function () end; +local lfs = require "lfs"; local path_sep = package.config:sub(1,1); module "configmanager" @@ -71,6 +72,10 @@ local rel_path_start = ".."..path_sep; function resolve_relative_path(parent_path, path) if path then + -- Some normalization + parent_path = parent_path:gsub("%"..path_sep.."+$", ""); + path = path:gsub("^%.%"..path_sep.."+", ""); + local is_relative; if path_sep == "/" and path:sub(1,1) ~= "/" then is_relative = true; @@ -85,6 +90,19 @@ end end +-- Helper function to convert a glob to a Lua pattern +local function glob_to_pattern(glob) + return "^"..glob:gsub("[%p*?]", function (c) + if c == "*" then + return ".*"; + elseif c == "?" then + return "."; + else + return "%"..c; + end + end).."$"; +end + function load(filename, format) format = format or filename:match("%w+$"); @@ -137,7 +155,7 @@ local loadstring, pcall, setmetatable = _G.loadstring, _G.pcall, _G.setmetatable; local setfenv, rawget, tostring = _G.setfenv, _G.rawget, _G.tostring; parsers.lua = {}; - function parsers.lua.load(data, filename, config) + function parsers.lua.load(data, config_file, config) local env; -- The ' = true' are needed so as not to set off __newindex when we assign the functions below env = setmetatable({ @@ -199,24 +217,40 @@ end env.component = env.Component; - function env.Include(file) - local f, err = io.open(file); - if f then - local data = f:read("*a"); - local file = resolve_relative_path(filename:gsub("[^"..path_sep.."]+$", ""), file); - local ret, err = parsers.lua.load(data, file, config); - if not ret then error(err:gsub("%[string.-%]", file), 0); end + function env.Include(file, wildcard) + if file:match("[*?]") then + local path_pos, glob = file:match("()([^"..path_sep.."]+)$"); + local path = file:sub(1, math_max(path_pos-2,0)); + if #path > 0 then + path = resolve_relative_path(config_file:gsub("[^"..path_sep.."]+$", ""), path); + else + path = "."; + end + local patt = glob_to_pattern(glob); + for f in lfs.dir(path) do + if f:sub(1,1) ~= "." and f:match(patt) then + env.Include(path..path_sep..f); + end + end + else + local f, err = io.open(file); + if f then + local data = f:read("*a"); + local file = resolve_relative_path(config_file:gsub("[^"..path_sep.."]+$", ""), file); + local ret, err = parsers.lua.load(data, file, config); + if not ret then error(err:gsub("%[string.-%]", file), 0); end + end + if not f then error("Error loading included "..file..": "..err, 0); end + return f, err; end - if not f then error("Error loading included "..file..": "..err, 0); end - return f, err; end env.include = env.Include; function env.RunScript(file) - return dofile(resolve_relative_path(filename:gsub("[^"..path_sep.."]+$", ""), file)); + return dofile(resolve_relative_path(config_file:gsub("[^"..path_sep.."]+$", ""), file)); end - local chunk, err = loadstring(data, "@"..filename); + local chunk, err = loadstring(data, "@"..config_file); if not chunk then return nil, err;