configs.lua

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--  Carrot configuration library
-------------------------------------------------------------
--  Licensed under the GNU General Public License v3:
--  https://opensource.org/licenses/GPL-3.0
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--  Copyright (c) 2018 Pouyan Heyratpour <pouyan@janstun.com>
-------------------------------------------------------------

local Utils = require("carrot.utils")

local DEFAULT = {
  theme = "default",
  wallpaper = "",
  mod = "Mod4",
  alt = "Mod1",
  tags = {"1", "2", "3", "4", "Mid", "6", "7", "8", "9"},
  apps = {
    terminal = "uxvt",
    editor = os.getenv("EDITOR") or "vim",
    geditor = "atom",
    browser = "firefox",
    explorer = "thunar",
    locker = "slock",
    shoter = "scrot",
  },
  wibars = {
    top = {
      position = "top",
      widgets = {
        "launcher",
        "taglist",
        "promptbox",
        "tasklist",
        "systray",
        "keyboardlayout",
        "textclock",
        "layoutbox",
      }
    }
  },
  autostarts = {
    -- title = {command = "", tags = {1, 4, 7}}
  }
}

local function read(path)
  local conf = {}

  fp = io.open(path, "r")
  if nil == fp then
    return {}
  end

  for line in fp:lines() do
    line = line:match("%s*(.+)")
    -- Ignore commented lines
    if line and line:sub(1, 1) ~= "#"
      and line:sub(1, 1) ~= ";" then
      local option = line:match("%S+"):lower()
      local value  = line:match("%S*%s*(.*)")
      local last = option:match("%.?(%w+)$")

      local item = conf
      for nxt in option:gmatch("%s*(.-)%.") do
        item[nxt] = item[nxt] or {}
        item = item[nxt]
      end

      if not value then
        value = true
      else
        if value:find(",") then
          value = value .. ","
          local arr = {}
          for entry in value:gmatch("%s*(.-),") do
            arr[#arr + 1] = entry
          end
          value = arr
        end
      end

      item[last] = value
    end
  end

  fp:close()

  return conf
end

local function loadFile(path)
  local d = DEFAULT

  return Utils.Merge(d, read(path))
end

return {
  DEFAULT = DEFAULT;
  LoadFile = loadFile;
}

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