Class: CLI::Kit::Args::Parser
- Inherits:
-
Object
- Object
- CLI::Kit::Args::Parser
- Extended by:
- T::Sig
- Defined in:
- lib/cli/kit/args/parser.rb,
lib/cli/kit/args/parser/node.rb
Defined Under Namespace
Classes: InvalidOptionError, Node, OptionRequiresAnArgumentError
Constant Summary collapse
Instance Method Summary collapse
-
#initialize(definition) ⇒ Parser
constructor
A new instance of Parser.
- #parse(tokens) ⇒ Object
Methods included from T::Sig
Constructor Details
#initialize(definition) ⇒ Parser
Returns a new instance of Parser.
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# File 'lib/cli/kit/args/parser.rb', line 64 def initialize(definition) @defn = definition end |
Instance Method Details
#parse(tokens) ⇒ Object
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# File 'lib/cli/kit/args/parser.rb', line 32 def parse(tokens) nodes = T.let([], T::Array[Node]) args = T.let(tokens, T::Array[T.nilable(Tokenizer::Token)]) args << nil # to make each_cons pass (args.last, nil) on the final round. state = :init # TODO: test that "--height -- 3" is parsed correctly. args.each_cons(2) do |(arg, next_arg)| case state when :skip state = :init when :init state, val = parse_token(T.must(arg), next_arg) nodes << val when :unparsed unless arg.is_a?(Tokenizer::Token::UnparsedArgument) raise(Error, 'bug: non-unparsed argument after unparsed argument') end unparsed = nodes.last unless unparsed.is_a?(Node::Unparsed) # :nocov: not actually possible, in theory raise(Error, 'bug: parser failed to recognize first unparsed argument') # :nocov: end unparsed.value << arg.value end end nodes end |