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local m = {}
local mkutils = require "mkutils"
local file_exists = mkutils.file_exists
-- function file_exists(name)
-- local f=io.open(name,"r")
-- if f~=nil then io.close(f) return true else return false end
-- end
local make_name = function(name)
return table.concat(name, "/")
-- return name:gsub("//","/")
end
-- find the config file in XDG_CONFIG_HOME or in the HOME directry
-- the XDG tree is looked up first, the $HOME is used only when it cannot be
-- find in the former
local xdg_config = function(filename, xdg_config_name)
local dotfilename = "." .. filename
local xdg_config_name = xdg_config_name or "config.lua"
local xdg = os.getenv("XDG_CONFIG_HOME") or ((os.getenv("HOME") or "") .. "/.config")
local home = os.getenv("HOME") or os.getenv("USERPROFILE")
if xdg then
-- filename like ~/.config/make4ht/config.lua
local fn = make_name{ xdg ,filename , xdg_config_name }
if file_exists(fn) then
return fn
end
end
if home then
-- ~/.make4ht
local fn = make_name{ home, dotfilename }
if file_exists(fn) then
return fn
end
end
end
local find_config = function(filename)
local filename = "." .. filename
local current = lfs.currentdir()
local path = {}
current:gsub("([^/]+)", function(s) table.insert(path,s) end)
local begin = os.type == "windows" and "" or "/"
for i = #path, 1, -1 do
local fn =begin .. table.concat(path,"/") .. "/".. filename
-- print("testing",fn)
if file_exists(fn) then return fn end
table.remove(path)
end
return false
end
local function load_config(filename, default)
local default = default or {}
default.table = table
default.string = string
default.io = io
default.os = os
default.math = math
default.print = print
default.ipairs = ipairs
default.pairs = pairs
local f = io.open(filename, "r")
local contents = f:read("*all")
f:close()
load(contents,"sandbox config","bt", default)()
return default
end
--[[
local function load_config(filename, default)
local default = default or {}
if ~file_exists(filename) then
return nil, "Cannot load config file "..filename
end
local section = "default"
local file = io.open(filename, "r")
if ~file then return nil, "Error opening config file"..filename end
for line in file:lines() do
local ts = line:match("")
end
file:close()
end
--]]
m.find_config = find_config
m.find_xdg_config = xdg_config
m.load_config = load_config
return m
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