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Add raise_unknown flag (#38) #45

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Merged
merged 1 commit into from
Nov 28, 2022
Merged

Add raise_unknown flag (#38) #45

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Add raise_unknown flag (#38)
  • Loading branch information
@nobu
nobu committed Oct 29, 2022
commit e48aca47bbb4b0a39e479a2c68cdea182a4fc55e
7 changes: 7 additions & 0 deletions lib/optparse.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -1148,6 +1148,7 @@ def initialize(banner = nil, width = 32, indent = ' ' * 4)
@summary_indent = indent
@default_argv = ARGV
@require_exact = false
@raise_unknown = true
add_officious
yield self if block_given?
end
Expand Down Expand Up @@ -1225,6 +1226,9 @@ def self.reject(*args, &blk) top.reject(*args, &blk) end
# abbreviated long option as short option).
attr_accessor :require_exact

# Whether to raise at unknown option.
attr_accessor :raise_unknown

#
# Heading banner preceding summary.
#
Expand Down Expand Up @@ -1639,9 +1643,11 @@ def parse_in_order(argv = default_argv, setter = nil, &nonopt) # :nodoc:
begin
sw, = complete(:long, opt, true)
if require_exact && !sw.long.include?(arg)
throw :terminate, arg unless raise_unknown
raise InvalidOption, arg
end
rescue ParseError
throw :terminate, arg unless raise_unknown
raise $!.set_option(arg, true)
end
begin
Expand Down Expand Up @@ -1673,6 +1679,7 @@ def parse_in_order(argv = default_argv, setter = nil, &nonopt) # :nodoc:
end
end
rescue ParseError
throw :terminate, arg unless raise_unknown
raise $!.set_option(arg, true)
end
begin
Expand Down
12 changes: 12 additions & 0 deletions test/optparse/test_optparse.rb
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Expand Up @@ -98,6 +98,18 @@ def test_require_exact
assert_raise(OptionParser::InvalidOption) {@opt.parse(%w(-z foo))}
end

def test_raise_unknown
@opt.def_option('--foo [ARG]') {|arg| @foo = arg}
assert @opt.raise_unknown

@opt.raise_unknown = false
assert_equal(%w[--bar], @opt.parse(%w[--foo --bar]))
assert_nil(@foo)

assert_equal(%w[--bar], @opt.parse(%w[--foo x --bar]))
assert_equal("x", @foo)
end

def test_nonopt_pattern
@opt.def_option(/^[^-]/) do |arg|
assert(false, "Never gets called")
Expand Down