Module: AtCoderFriends::Parser::InputFormat

Extended by:
InputFormatUtils
Includes:
InputFormatConstants, InputFormatMatcherConstants
Defined in:
lib/at_coder_friends/parser/input_format.rb

Overview

parses input data format and generates input definitons

Constant Summary

Constants included from InputFormatConstants

AtCoderFriends::Parser::InputFormatConstants::ADD_TAG, AtCoderFriends::Parser::InputFormatConstants::DELIMS, AtCoderFriends::Parser::InputFormatConstants::DIMENSION_TBL, AtCoderFriends::Parser::InputFormatConstants::RE_0, AtCoderFriends::Parser::InputFormatConstants::RE_00, AtCoderFriends::Parser::InputFormatConstants::RE_99, AtCoderFriends::Parser::InputFormatConstants::RE_BLOCK, AtCoderFriends::Parser::InputFormatConstants::RE_ITEM, AtCoderFriends::Parser::InputFormatConstants::RE_IX, AtCoderFriends::Parser::InputFormatConstants::RE_IX_0, AtCoderFriends::Parser::InputFormatConstants::RE_IX_00, AtCoderFriends::Parser::InputFormatConstants::RE_IX_99, AtCoderFriends::Parser::InputFormatConstants::RE_SINGLE, AtCoderFriends::Parser::InputFormatConstants::RE_SZ, AtCoderFriends::Parser::InputFormatConstants::RE_SZ2_0, AtCoderFriends::Parser::InputFormatConstants::RE_SZ2_REF, AtCoderFriends::Parser::InputFormatConstants::RE_SZ_0, AtCoderFriends::Parser::InputFormatConstants::RE_SZ_00, AtCoderFriends::Parser::InputFormatConstants::RE_SZ_99, AtCoderFriends::Parser::InputFormatConstants::RE_SZ_REF, AtCoderFriends::Parser::InputFormatConstants::SECTIONS, AtCoderFriends::Parser::InputFormatConstants::TO_SUFFIX, AtCoderFriends::Parser::InputFormatConstants::TO_SUFFIX_STR

Constants included from InputFormatMatcherConstants

AtCoderFriends::Parser::InputFormatMatcherConstants::HARRAY_CHAR_MATCHER, AtCoderFriends::Parser::InputFormatMatcherConstants::HARRAY_MATCHER, AtCoderFriends::Parser::InputFormatMatcherConstants::HMATRIX_MATCHER, AtCoderFriends::Parser::InputFormatMatcherConstants::MATCHERS, AtCoderFriends::Parser::InputFormatMatcherConstants::MATRIX_CHAR_MATCHER, AtCoderFriends::Parser::InputFormatMatcherConstants::MATRIX_MATCHER, AtCoderFriends::Parser::InputFormatMatcherConstants::MATRIX_VARRAY_MATCHER, AtCoderFriends::Parser::InputFormatMatcherConstants::SINGLE_MATCHER, AtCoderFriends::Parser::InputFormatMatcherConstants::VARRAY_MATCHER, AtCoderFriends::Parser::InputFormatMatcherConstants::VARRAY_MATRIX_CHAR_MATCHER, AtCoderFriends::Parser::InputFormatMatcherConstants::VARRAY_MATRIX_MATCHER, AtCoderFriends::Parser::InputFormatMatcherConstants::VMATRIX_MATCHER

Class Method Summary collapse

Methods included from InputFormatUtils

extract_delim, normalize_fmt, normalize_name, normalize_names, normalize_size, size_array, split_size

Class Method Details

.find_fmt(pbm) ⇒ Object 



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# File 'lib/at_coder_friends/parser/input_format.rb', line 455

def find_fmt(pbm)
  str = nil
  SECTIONS.any? do |key|
    (str = pbm.sections[key]&.code_block_html) && !str.empty?
  end
  str
end

.parse(str) ⇒ Object 



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# File 'lib/at_coder_friends/parser/input_format.rb', line 463

def parse(str)
  lines = normalize_fmt(str)
  parse_fmt(lines)
end

.parse_fmt(lines) ⇒ Object 



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# File 'lib/at_coder_friends/parser/input_format.rb', line 468

def parse_fmt(lines)
  matcher = nil
  (lines + ['']).each_with_object([]) do |line, ret|
    if matcher
      next if matcher.match2(line)

      ret << matcher.to_inpdef
    end
    matcher = MATCHERS.find { |m| m.match(line) }
    if !line.empty? && matcher.nil?
      puts "unknown format: #{line}"
      ret << unknown_fmt(line)
    end
  end
end

.process(pbm) ⇒ Object 



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# File 'lib/at_coder_friends/parser/input_format.rb', line 448

def process(pbm)
  return unless (str = find_fmt(pbm))

  inpdefs = parse(str)
  pbm.formats_src = inpdefs
end

.unknown_fmt(line) ⇒ Object 



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# File 'lib/at_coder_friends/parser/input_format.rb', line 484

def unknown_fmt(line)
  Problem::InputFormat.new(container: :unknown, item: line)
end