Module: StringStubber::Base

Included in:
StringStubber, CoreExt
Defined in:
lib/string_stubber/base.rb

Constant Summary collapse

WORD = 
/(\w+[[:punct:]]*)+/
SNIP = 
/\s+$/

Instance Method Summary collapse

Instance Method Details

#scan_text(scanner, max_text) ⇒ Object

Scans a given number of words, up to a given character position (but not beyond) @param [StringScanner] @param [Fixnum] @return [String]



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# File 'lib/string_stubber/base.rb', line 49

def scan_text(scanner, max_text)
  start = scanner.pos

  until scanner.pos >= max_text || scan_word(scanner).nil?; end

  (scanner.pre_match || scanner.string[start, max_text]).to_s.gsub(SNIP, '')
end

#scan_word(scanner) ⇒ Object

Scans ahead one word position, and returns it @param [StringScanner] scanner @return [String]



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# File 'lib/string_stubber/base.rb', line 29

def scan_word(scanner)
  scanner.scan_until(WORD)
end

#scan_words(scanner, max_words) ⇒ Object

Scans a given number of words from a scanner @param [StringScanner] @param [Fixnum] @return [String]



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# File 'lib/string_stubber/base.rb', line 37

def scan_words(scanner, max_words)
  words = max_words.times.map {
            scan_word(scanner)
          }
  words.compact!
  words.join
end

#stub_text(text, max_text) ⇒ Object

Stubs the given text string a number of whole-words, not to go beyond the given text position @param [String] text Any piece of text @param [Fixnum] max_text Text position that delimits the desired number of whole words @return [String] The text, stubbed at the max_text position



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# File 'lib/string_stubber/base.rb', line 20

def stub_text(text, max_text)
  scanner = StringScanner.new(text.to_s)

  return scan_text(scanner, max_text)
end

#stub_words(text, max_words) ⇒ Object

Stubs a given text string, up to a given number of words @param [String] text Any piece of text @param [Fixnum] max_words The desired number of words @return [String] The text, stubbed at max_words number of words



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# File 'lib/string_stubber/base.rb', line 10

def stub_words(text, max_words)
  scanner = StringScanner.new(text.to_s)

  return scan_words(scanner, max_words)
end