method

extract_annotations_from

v4.0.2 - Show latest stable - Class: SourceAnnotationExtractor

extract_annotations_from(file, pattern)

public

If file is the filename of a file that contains annotations this method returns a hash with a single entry that maps file to an array of its annotations. Otherwise it returns an empty hash.

# File railties/lib/rails/source_annotation_extractor.rb, line 105
  def extract_annotations_from(file, pattern)
    lineno = 0
    result = File.readlines(file).inject([]) do |list, line|
      lineno += 1
      next list unless line =~ pattern
      list << Annotation.new(lineno, $1, $2)
    end
    result.empty? ? {} : { file => result }
  end

extract_annotations_from

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