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Add 'concat' action

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This commit is contained in:
mpeterv
2015-10-31 19:30:55 +03:00
parent 38b6eb1392
commit 4fb2991fb2
2 changed files with 13 additions and 2 deletions
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5
spec/actions_spec.lua
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@@ -100,9 +100,10 @@ describe("actions", function()
local parser = Parser() local parser = Parser()
parser:flag("--no-foo"):target("foo"):action("store_false") parser:flag("--no-foo"):target("foo"):action("store_false")
parser:flag("--no-bar"):target("bar"):action("store_false") parser:flag("--no-bar"):target("bar"):action("store_false")
parser:option("--things"):args("+"):count("*"):action("concat")
local args = parser:parse{"--no-foo"} local args = parser:parse{"--things", "a", "b", "--no-foo", "--things", "c", "d"}
assert.same({foo = false}, args) assert.same({foo = false, things = {"a", "b", "c", "d"}}, args)
end) end)
it("for options allow setting initial stored value", function() it("for options allow setting initial stored value", function()

10
src/argparse.lua
View File

@@ -375,6 +375,16 @@ function actions.append(result, target, argument, overwrite)
end end
end end
function actions.concat(result, target, arguments, overwrite)
if overwrite then
error("'concat' action can't handle too many invocations")
end
for _, argument in ipairs(arguments) do
table.insert(result[target], argument)
end
end
function Argument:_get_action() function Argument:_get_action()
local action, init local action, init