Module: StringMagic::Core::Analysis

Included in:
StringMagic
Defined in:
lib/string_magic/core/analysis.rb

Instance Method Summary collapse

Instance Method Details

#extract_entities(text) ⇒ Object

Raises:



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# File 'lib/string_magic/core/analysis.rb', line 4

def extract_entities(text)
  raise MalformedInputError, "Input must be a string" unless text.is_a?(String)

  {
    emails: text.scan(/\b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,}\b/).uniq,
    urls: text.scan(%r{(?:https?:)?//[^\s/$.?#][^\s,]*}).uniq,
    phone_numbers: text.scan(/(?:\+\d{1,3}\s?)?\(?\d{3}\)?[-.\s]?\d{3}[-.\s]?\d{4}\b/).uniq,
    dates: text.scan(%r{\b(?:\d{1,2}[-/]\d{1,2}[-/]\d{2,4}|(?:(?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)[a-z]*|(?:January|February|March|April|May|June|July|August|September|October|November|December)) \d{1,2},? \d{4}|\d{4}[-/]\d{1,2}[-/]\d{1,2})\b}i).uniq,
    hashtags: text.scan(/#[[:word:]]+/).map { |tag| tag[1..] }.uniq,
    mentions: text.scan(/@[[:word:]]+/).map { |mention| mention[1..] }.uniq
  }
end

#readability_score(text) ⇒ Object 



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# File 'lib/string_magic/core/analysis.rb', line 17

def readability_score(text)
  return 0 if text.empty?

  sentences = text.split(/[.!?]+/)
                  .map(&:strip)
                  .reject(&:empty?)

  return 0 if sentences.empty? || !text.match?(/[.!?]/)

  words = text.split(/\s+/)
  return 0 if words.empty?

  syllables = words.sum { |word| calculate_syllables(word) }

  score = (0.39 * (words.length.to_f / sentences.length) +
          11.8 * (syllables.to_f / words.length) - 15.59)

  [score.round(1), 0].max
end