octoleo/lsyncd
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This commit is contained in:
Axel Kittenberger 2010-11-12 05:58:51 +00:00
parent eadbb6a202
commit 0a6fac9c0c
1 changed files with 33 additions and 32 deletions
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65
lsyncd.lua
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@ -232,13 +232,12 @@ local Inlet, InletControl = (function()
-- lua runner controlled variables -- lua runner controlled variables
local sync local sync
-- key variables for delays hidden from user
local delayKey = {}
-- nil for non move events -----
-- 0 for move source events -- table to receive the delay of a event.
-- 1 for move desination events local e2d = {}
local moveDestKey = {} -- doesnt stop the garbage collect to remove either.
setmetatable(e2d, { __mode = 'kv' })
----- -----
-- removes the trailing slash from a path -- removes the trailing slash from a path
@ -251,10 +250,10 @@ local Inlet, InletControl = (function()
end end
local function getPath(event) local function getPath(event)
if not event[moveDestKey] then if not event.move then
return event[delayKey].path return e2d[event].path
else else
return event[delayKey].path2 return e2d[event].path2
end end
end end
@ -269,7 +268,7 @@ local Inlet, InletControl = (function()
-- TODO give user a readonly version. -- TODO give user a readonly version.
-- --
config = function(event) config = function(event)
return event[delayKey].sync.config return e2d[event].sync.config
end, end,
----- -----
@ -282,13 +281,13 @@ local Inlet, InletControl = (function()
-- "Move" -- "Move"
-- --
etype = function(event) etype = function(event)
return event[delayKey].etype return e2d[event].etype
end, end,
----- -----
-- Status -- Status
status = function(event) status = function(event)
return event[delayKey].status return e2d[event].status
end, end,
----- -----
@ -389,7 +388,7 @@ local Inlet, InletControl = (function()
__index = function(t, k) __index = function(t, k)
local f = eventFields[k] local f = eventFields[k]
if not f then if not f then
if k == moveDestKey then if k == 'move' then
-- possibly undefined -- possibly undefined
return nil return nil
end end
@ -400,33 +399,35 @@ local Inlet, InletControl = (function()
} }
----- -----
-- Encapsulates a delay to an event for the user -- Encapsulates a delay into an event for the user
--
-- TODO this hidden key technique can be circumvented with
-- pairs(), use a weak table as referencer instead.
-- --
local function toEvent(delay) local function toEvent(delay)
if delay.etype ~= "Move" then if delay.etype ~= "Move" then
if not delay.event then if not delay.event then
delay.event = {} local event = {}
setmetatable(delay.event, eventMeta) delay.event = event
delay.event[delayKey] = delay setmetatable(event, eventMeta)
e2d[event] = delay
end end
return delay.event return delay.event
else else
-- moves have 2 events - origin and destination -- moves have 2 events - origin and destination
if not delay.event then if not delay.event then
delay.event = {} local event = {}
delay.event2 = {} local event2 = {}
delay.event = event
delay.event2 = event2
setmetatable(delay.event, eventMeta) setmetatable(event, eventMeta)
setmetatable(delay.event2, eventMeta) setmetatable(event2, eventMeta)
e2d[delay.event] = delay
delay.event[delayKey] = delay e2d[delay.event2] = delay
delay.event2[delayKey] = delay
-- move events have a field 'event'
delay.event[moveDestKey] = false -- false for move source events
delay.event2[moveDestKey] = true -- true for move desination events
event.move = false
event2.move = true
end end
return delay.event, delay.event2 return delay.event, delay.event2
end end
@ -445,7 +446,7 @@ local Inlet, InletControl = (function()
-- Cancels a waiting event. -- Cancels a waiting event.
-- --
local function cancelEvent(event) local function cancelEvent(event)
local delay = event[delayKey] local delay = e2d[event]
if delay.status ~= "wait" then if delay.status ~= "wait" then
log("Error", "Ignored try to cancel a non-waiting event of type ", log("Error", "Ignored try to cancel a non-waiting event of type ",
event.etype) event.etype)
@ -481,7 +482,7 @@ local Inlet, InletControl = (function()
-- Return the inner config -- Return the inner config
-- not to be called from user -- not to be called from user
local function getInterior(event) local function getInterior(event)
return sync, event[delayKey] return sync, e2d[event]
end end
----- -----