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local conf = require("config")
local M = {}
function M.in_array(t, value)
for k,v in ipairs(t) do
if v == value then
return true
end
end
end
function M.read_file(file)
local f = assert(io.open(file))
local file = f:read("*all")
f:close()
return file
end
function M.write_file(file, string)
file = assert(io.open(file, "w"))
file:write(string)
file:close()
end
----
-- convert array to list
function M.to_list(t)
local res = {}
for k,v in ipairs(t) do
res[v] = k
end
return res
end
----
-- table iterator which sorts on keys
function M.kpairs(t, f)
local keys = {}
for k in pairs(t) do keys[#keys + 1] = k end
table.sort(keys,f)
local i = 0
return function()
i = i + 1
return keys[i], t[keys[i]]
end
end
----
-- branch sort function for kpairs
function M.sort_branch(a,b)
if a == "edge" then a = "z" end
if b == "edge" then b = "z" end
if a < b then return true end
end
----
-- repo sort function for kpairs
function M.sort_repo(a,b)
local repos = M.to_list(conf.repos)
if type(repos[a]) == "number" and type(repos[b]) == "number" then
if repos[a] < repos[b] then return true end
end
end
----
-- arch sort function for kpairs
function M.sort_arch(a,b)
local archs = M.to_list(conf.archs)
if type(archs[a]) == "number" and type(archs[b]) == "number" then
if archs[a] < archs[b] then return true end
end
end
return M
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