Class: SeeingIsBelieving::Binary::CleanBody

Inherits:
Object
  • Object
show all
Defined in:
lib/seeing_is_believing/binary/clean_body.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(code, should_clean_values) ⇒ CleanBody

Returns a new instance of CleanBody.



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# File 'lib/seeing_is_believing/binary/clean_body.rb', line 15

def initialize(code, should_clean_values)
  self.should_clean_values = should_clean_values
  self.code                = code
end

Class Method Details

.call(code, should_clean_values) ⇒ Object 



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# File 'lib/seeing_is_believing/binary/clean_body.rb', line 11

def self.call(code, should_clean_values)
  new(code, should_clean_values).call
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/seeing_is_believing/binary/clean_body.rb', line 20

def call
  buffer, parser, rewriter = ParserHelpers.initialize_parser code, 'strip_comments'
  comments                 = ParserHelpers.comments_from parser, buffer

  removed_comments      = { result: [], exception: [], stdout: [], stderr: [] }

  comments.each do |comment|
    case comment.text
    when /\A#\s*=>/
      if should_clean_values
        removed_comments[:result] << comment
        rewriter.remove comment.location.expression
      end
    when /\A#\s*~>/
      removed_comments[:exception] << comment
      rewriter.remove comment.location.expression
    when /\A#\s*>>/ then
      removed_comments[:stdout] << comment
      rewriter.remove comment.location.expression
    when /\A#\s*!>/ then
      removed_comments[:stderr] << comment
      rewriter.remove comment.location.expression
    end
  end

  remove_whitespace_preceeding_comments(buffer, rewriter, removed_comments)
  rewriter.process
rescue Parser::SyntaxError => e
  raise SyntaxError, e.message
end