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------------------------------------------------------
-- Session saving / loading functions --
-- © 2010 Mason Larobina <mason.larobina@gmail.com> --
------------------------------------------------------
local function rm(file)
luakit.spawn(string.format("rm %q", file))
end
-- Session functions
session = {
-- The file which we'll use for session info, $XDG_DATA_HOME/luakit/session
file = luakit.data_dir .. "/session",
-- Save all given windows uris to file.
save = function (wins)
local lines = {}
-- Save tabs from all the given windows
for wi, w in pairs(wins) do
local current = w.tabs:current()
for ti, tab in ipairs(w.tabs.children) do
table.insert(lines, string.format("%d\t%d\t%s\t%s", wi, ti,
tostring(current == ti), tab.uri))
end
end
if #lines > 0 then
local fh = io.open(session.file, "w")
fh:write(table.concat(lines, "\n"))
io.close(fh)
else
rm(session.file)
end
end,
-- Load window and tab state from file
load = function (delete)
if not os.exists(session.file) then return end
local ret = {}
-- Read file
local lines = {}
local fh = io.open(session.file, "r")
for line in fh:lines() do table.insert(lines, line) end
io.close(fh)
-- Delete file
if delete ~= false then rm(session.file) end
-- Parse session file
local split = lousy.util.string.split
for _, line in ipairs(lines) do
local wi, ti, current, uri = unpack(split(line, "\t"))
wi = tonumber(wi)
current = (current == "true")
if not ret[wi] then ret[wi] = {} end
table.insert(ret[wi], {uri = uri, current = current})
end
return (#ret > 0 and ret) or nil
end,
-- Spawn windows from saved session and return the last window
restore = function (delete)
wins = session.load(delete)
if not wins or #wins == 0 then return end
-- Spawn windows
local w
for _, win in ipairs(wins) do
w = nil
for _, item in ipairs(win) do
if not w then
w = window.new({item.uri})
else
w:new_tab(item.uri, item.current)
end
end
end
return w
end,
}
-- Save current window session helper
window.methods.save_session = function (w)
session.save({w,})
end
-- vim: et:sw=4:ts=8:sts=4:tw=80
|
