merging with upstream

helpers.lua.orig

@@ -1,123 +0,0 @@
-
---[[
-                                                  
-     Licensed under GNU General Public License v2 
-      * (c) 2013, Luke Bonham                     
-                                                  
---]]
-
-local debug  = require("debug")
-
-local capi   = { timer = timer }
-local io     = { open  = io.open,
-<<<<<<< HEAD
-                 lines = io.lines }
-=======
-                 lines = io.lines,
-                 popen = io.popen }
->>>>>>> upstream/master
-local rawget = rawget
-
--- Lain helper functions for internal use
--- lain.helpers
-local helpers = {}
-
-helpers.lain_dir    = debug.getinfo(1, 'S').source:match[[^@(.*/).*$]]
-helpers.icons_dir   = helpers.lain_dir .. 'icons/'
-helpers.scripts_dir = helpers.lain_dir .. 'scripts/'
-
--- {{{ Modules loader
-
-function helpers.wrequire(table, key)
-    local module = rawget(table, key)
-    return module or require(table._NAME .. '.' .. key)
-end
-
--- }}}
-
--- {{{ File operations
-
--- see if the file exists and is readable
-function helpers.file_exists(file)
-  local f = io.open(file)
-  if f then
-      local s = f:read()
-      f:close()
-      f = s
-  end
-  return f ~= nil
-end
-
--- get all lines from a file, returns an empty
--- list/table if the file does not exist
-function helpers.lines_from(file)
-  if not helpers.file_exists(file) then return {} end
-  lines = {}
-  for line in io.lines(file) do
-    lines[#lines + 1] = line
-  end
-  return lines
-end
-
--- get first line of a file, return nil if
--- the file does not exist
-function helpers.first_line(file)
-    return helpers.lines_from(file)[1]
-end
-
--- get first non empty line from a file,
--- returns nil otherwise
-function helpers.first_nonempty_line(file)
-  for k,v in pairs(helpers.lines_from(file)) do
-    if #v then return v end
-  end
-  return nil
-end
-
--- }}}
-
--- {{{ Timer maker
-
-helpers.timer_table = {}
-
-function helpers.newtimer(name, timeout, fun, nostart)
-    helpers.timer_table[name] = capi.timer({ timeout = timeout })
-    helpers.timer_table[name]:connect_signal("timeout", fun)
-    helpers.timer_table[name]:start()
-    if not nostart then
-        helpers.timer_table[name]:emit_signal("timeout")
-    end
-end
-
--- }}}
-
-<<<<<<< HEAD
-=======
--- {{{ Pipe operations
-
--- read the full output of a pipe (command)
-function helpers.read_pipe(cmd)
-   local f = assert(io.popen(cmd))
-   local output = f:read("*all")
-   f:close()
-   return output
-end
-
--- }}}
-
->>>>>>> upstream/master
--- {{{ A map utility
-
-helpers.map_table = {}
-
-function helpers.set_map(element, value)
-    helpers.map_table[element] = value
-end
-
-function helpers.get_map(element)
-    return helpers.map_table[element]
-end
-
--- }}}
-
-return helpers