Différences entre les pages « Module:No globals » et « Module:TableBuilder »
De Les Mots de l'agronomie
(Différence entre les pages)
imported>Jacques Ducloy m (1 révision importée) |
imported>Jacques Ducloy m (1 révision importée) |
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| Ligne 1 : | Ligne 1 : | ||
| − | local | + | --Module appliquant aux fonctions de la librairie Table une inteface fluide. |
| − | + | ||
| − | + | local meta = { | |
| − | + | ||
| − | + | insert = function ( t, ... ) | |
| − | + | table.insert( t, ... ) | |
| + | return t | ||
| + | end, | ||
| + | |||
| + | remove = function ( t, ... ) | ||
| + | table.remove( t, ... ) | ||
| + | return t | ||
| + | end, | ||
| + | |||
| + | sort = function ( t, ... ) | ||
| + | table.sort( t, ... ) | ||
| + | return t | ||
| + | end, | ||
| + | |||
| + | maxn = function ( t ) | ||
| + | return table.maxn( t ) | ||
| + | end, | ||
| + | |||
| + | concat = function ( t, ... ) | ||
| + | return table.concat( t, ... ) | ||
| + | end, | ||
| + | |||
| + | minsert = function( t, ... ) | ||
| + | local sel | ||
| + | for i = 1, select( '#', ... ) do | ||
| + | sel = select( i, ... ) | ||
| + | if sel then | ||
| + | table.insert( t, sel ) | ||
| + | end | ||
| + | end | ||
| + | return t | ||
| + | end, | ||
| + | |||
| + | tinsert = function( t, tab, first, last ) | ||
| + | if type( tab ) == 'table' then | ||
| + | for i = ( tonumber( first ) or 1 ), ( tonumber( last ) or #tab ) do | ||
| + | table.insert( t, tab[i] ) | ||
| + | end | ||
| + | end | ||
| + | return t | ||
| + | end, | ||
| + | } | ||
| + | |||
| + | meta.__index = function ( t, key ) | ||
| + | local metafunc = meta[key] | ||
| + | if type( metafunc ) == 'function' then | ||
| + | return function ( ... ) return metafunc( t, ... ) end | ||
| + | end | ||
end | end | ||
| − | function | + | |
| − | + | -- fin des fonctions de la meta-table | |
| − | + | ||
| − | + | ||
| − | + | local TableBuilder = { | |
| − | end | + | new = function( ... ) |
| − | + | local t = { ... } | |
| + | setmetatable( t, meta ) | ||
| + | return t | ||
| + | end, | ||
| + | |||
| + | set = function( t ) | ||
| + | if type( t ) == 'table' then | ||
| + | setmetatable( t, meta ) | ||
| + | end | ||
| + | return t | ||
| + | end, | ||
| + | |||
| + | clone = function ( t ) | ||
| + | local tableRefs = { } | ||
| + | local function recursiveClone( val ) | ||
| + | if type( val ) == 'table' then | ||
| + | -- Encode circular references correctly | ||
| + | if tableRefs[val] ~= nil then | ||
| + | return tableRefs[val] | ||
| + | end | ||
| + | |||
| + | local retVal = { } | ||
| + | tableRefs[val] = setmetatable( retVal, meta ) | ||
| + | |||
| + | for key, elt in pairs( val ) do | ||
| + | retVal[key] = recursiveClone( elt ) | ||
| + | end | ||
| + | return retVal | ||
| + | else | ||
| + | return val | ||
| + | end | ||
| + | end | ||
| + | return recursiveClone( t ) | ||
| + | end, | ||
| + | } | ||
| + | |||
| + | return TableBuilder | ||
Version actuelle datée du 7 décembre 2020 à 17:43
La documentation pour ce module peut être créée à Module:TableBuilder/doc
--Module appliquant aux fonctions de la librairie Table une inteface fluide.
local meta = {
insert = function ( t, ... )
table.insert( t, ... )
return t
end,
remove = function ( t, ... )
table.remove( t, ... )
return t
end,
sort = function ( t, ... )
table.sort( t, ... )
return t
end,
maxn = function ( t )
return table.maxn( t )
end,
concat = function ( t, ... )
return table.concat( t, ... )
end,
minsert = function( t, ... )
local sel
for i = 1, select( '#', ... ) do
sel = select( i, ... )
if sel then
table.insert( t, sel )
end
end
return t
end,
tinsert = function( t, tab, first, last )
if type( tab ) == 'table' then
for i = ( tonumber( first ) or 1 ), ( tonumber( last ) or #tab ) do
table.insert( t, tab[i] )
end
end
return t
end,
}
meta.__index = function ( t, key )
local metafunc = meta[key]
if type( metafunc ) == 'function' then
return function ( ... ) return metafunc( t, ... ) end
end
end
-- fin des fonctions de la meta-table
local TableBuilder = {
new = function( ... )
local t = { ... }
setmetatable( t, meta )
return t
end,
set = function( t )
if type( t ) == 'table' then
setmetatable( t, meta )
end
return t
end,
clone = function ( t )
local tableRefs = { }
local function recursiveClone( val )
if type( val ) == 'table' then
-- Encode circular references correctly
if tableRefs[val] ~= nil then
return tableRefs[val]
end
local retVal = { }
tableRefs[val] = setmetatable( retVal, meta )
for key, elt in pairs( val ) do
retVal[key] = recursiveClone( elt )
end
return retVal
else
return val
end
end
return recursiveClone( t )
end,
}
return TableBuilder
