Class: DocoptNG::Pattern
- Inherits:
-
Object
show all
- Defined in:
- lib/docopt_ng/pattern.rb
Instance Attribute Summary collapse
Instance Method Summary
collapse
Instance Attribute Details
#children ⇒ Object
Returns the value of attribute children.
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# File 'lib/docopt_ng/pattern.rb', line 3
def children
@children
end
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Instance Method Details
#==(other) ⇒ Object
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# File 'lib/docopt_ng/pattern.rb', line 5
def ==(other)
inspect == other.inspect
end
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#dump ⇒ Object
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# File 'lib/docopt_ng/pattern.rb', line 13
def dump
puts ::Docopt.dump_patterns(self)
end
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#either ⇒ Object
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# File 'lib/docopt_ng/pattern.rb', line 62
def either
ret = []
groups = [[self]]
while groups.count.positive?
children = groups.shift
types = children.map(&:class)
if types.include?(Either)
either = children.find { |child| child.instance_of?(Either) }
children.slice!(children.index(either))
either.children.each do |c|
groups << ([c] + children)
end
elsif types.include?(Required)
required = children.find { |child| child.instance_of?(Required) }
children.slice!(children.index(required))
groups << (required.children + children)
elsif types.include?(Optional)
optional = children.find { |child| child.instance_of?(Optional) }
children.slice!(children.index(optional))
groups << (optional.children + children)
elsif types.include?(AnyOptions)
anyoptions = children.find { |child| child.instance_of?(AnyOptions) }
children.slice!(children.index(anyoptions))
groups << (anyoptions.children + children)
elsif types.include?(OneOrMore)
oneormore = children.find { |child| child.instance_of?(OneOrMore) }
children.slice!(children.index(oneormore))
groups << ((oneormore.children * 2) + children)
else
ret << children
end
end
args = ret.map { |e| Required.new(*e) }
Either.new(*args)
end
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#fix ⇒ Object
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# File 'lib/docopt_ng/pattern.rb', line 17
def fix
fix_identities
fix_repeating_arguments
self
end
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#fix_identities(uniq = nil) ⇒ Object
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# File 'lib/docopt_ng/pattern.rb', line 23
def fix_identities(uniq = nil)
unless instance_variable_defined?(:@children)
return self
end
uniq ||= flat.uniq
@children.each_with_index do |c, i|
if c.instance_variable_defined?(:@children)
c.fix_identities(uniq)
else
unless uniq.include?(c)
raise RuntimeError
end
@children[i] = uniq[uniq.index(c)]
end
end
end
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#fix_repeating_arguments ⇒ Object
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# File 'lib/docopt_ng/pattern.rb', line 43
def fix_repeating_arguments
either.children.map(&:children).each do |case_|
case_.select { |c| case_.count(c) > 1 }.each do |e|
if e.instance_of?(Argument) || (e.instance_of?(Option) && e.argcount.positive?)
if e.value.nil?
e.value = []
elsif e.value.class != Array
e.value = e.value.split
end
end
if e.instance_of?(Command) || (e.instance_of?(Option) && e.argcount.zero?)
e.value = 0
end
end
end
self
end
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#to_str ⇒ Object
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# File 'lib/docopt_ng/pattern.rb', line 9
def to_str
inspect
end
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