Module: L43Peg::Parsers::StringParser

Extended by:
StringParser
Includes:
Combinators, L43Peg::Parsers
Included in:
StringParser
Defined in:
lib/l43_peg/parsers/string_parser.rb

Instance Method Summary collapse

Methods included from L43Peg::Parsers

#char_parser, #end_parser, #eol_parser, #escape_parser, #failure_parser, #int_parser, #list_parser, #literal_parser, #name_parser, #rgx_parser, #success_parser, #symbol_parser, #ws_parser

Methods included from Combinators

#boxed, #choice, #debug_parser, #ignore, #lazy, #many, #map, #map_error, #satisfy, #sequence

Instance Method Details

#string_parser(name: nil, escape: "\\", double_escape: false, quote: '"') ⇒ Object 



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# File 'lib/l43_peg/parsers/string_parser.rb', line 8

def string_parser(name: nil, escape: "\\", double_escape: false, quote: '"')
  name = name || "string_parser(escape: #{escape}, double_escape: #{double_escape})"
  choices = [
    (literal_parser(quote + quote).map { quote } if double_escape),
    escape_parser(escape),
    char_parser.satisfy { |ast| ast != quote }
  ].compact

  parser = sequence(
    char_parser(quote).ignore,
    many(
      choice(choices)
    ),
    char_parser(quote).ignore).map(&:join)
end