webmcp
view framework/env/slot/use_temporary.lua @ 3:795b764629ca
Version 1.0.3
Important bugfix related to internal forwards (Bug was introduced by the restriction of views with underscore prefix in Version 1.0.2)
Important bugfix related to internal forwards (Bug was introduced by the restriction of views with underscore prefix in Version 1.0.2)
| author | jbe |
|---|---|
| date | Thu Dec 10 12:00:00 2009 +0100 (2009-12-10) |
| parents | 9fdfb27f8e67 |
| children |
line source
1 --[[--
2 slot_content =
3 slot.use_temporary(
4 function()
5 ...
6 end
7 )
9 This function creates a temporary slot and executes code in a way that slot.put(...) and other functions will write into the temporary slot. Afterwards the contents of the temporary slot are returned as a single string.
11 --]]--
13 function slot.use_temporary(block)
14 local old_slot = slot._active_slot
15 local temp_slot_reference = {} -- just a unique reference
16 slot._active_slot = temp_slot_reference
17 block()
18 slot._active_slot = old_slot
19 local result = slot.get_content(temp_slot_reference)
20 slot.reset(temp_slot_reference)
21 return result
22 end