Class: String

Inherits:
Object
  • Object
show all
Defined in:
lib/hrules.rb

Instance Method Summary collapse

Instance Method Details

#append_character(character) ⇒ Object 



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# File 'lib/hrules.rb', line 69

def append_character(character)
  "#{self}#{character}"
end

#delete_at_position(position) ⇒ Object 



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# File 'lib/hrules.rb', line 85

def delete_at_position(position)
  self.split("").reject.with_index { |v, i| i == position.to_i }.join("")
end

#delete_first ⇒ Object 



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# File 'lib/hrules.rb', line 77

def delete_first
  self[1..-1]
end

#delete_last ⇒ Object 



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# File 'lib/hrules.rb', line 81

def delete_last
  self[0..-2]
end

#dup_block_back(position) ⇒ Object 



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# File 'lib/hrules.rb', line 189

def dup_block_back(position)
  block = self[position.to_i..-1]
  self.insert(-1, block) if block
  self
end

#dup_block_forward(position) ⇒ Object 



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# File 'lib/hrules.rb', line 195

def dup_block_forward(position)
  block = self[0..position.to_i]
  self.insert(0, block) if block
  self
end

#dup_first_n_times(times) ⇒ Object 



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# File 'lib/hrules.rb', line 135

def dup_first_n_times(times)
  self[0] = self[0] * times.to_i
  return self
rescue IndexError
  self
end

#dup_last_n_times(times) ⇒ Object 



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# File 'lib/hrules.rb', line 142

def dup_last_n_times(times)
  self[-1] = (self[-1] + (self[-1] * times.to_i))
  return self
rescue IndexError
  self
end

#duplicate ⇒ Object 



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# File 'lib/hrules.rb', line 40

def duplicate
  return "#{self}#{self}"
end

#duplicate_all ⇒ Object 



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# File 'lib/hrules.rb', line 149

def duplicate_all
  returned = ""
  self.split("").each.with_index do |v, i|
    returned << self[i] = v * 2
  end
  returned
rescue IndexError
  self
end

#duplicate_n_times(times) ⇒ Object 



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# File 'lib/hrules.rb', line 53

def duplicate_n_times(times)
  return self * times.to_i
end

#extract_from_position(positions) ⇒ Object 



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# File 'lib/hrules.rb', line 89

def extract_from_position(positions)
  start_p, end_p = positions[0].to_i, positions[1].to_i
  self[start_p..end_p]
end

#insert_at_x(positions) ⇒ Object 



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# File 'lib/hrules.rb', line 100

def insert_at_x(positions)
  loc, char = positions[0].to_i, positions[1]
  if loc.between?(0, (self.length - 1))
    self.insert(loc, char)
  end
  self
end

#inverted_capitalize ⇒ Object 



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# File 'lib/hrules.rb', line 44

def inverted_capitalize
  self.capitalize.swapcase
end

#mutate(rule_string) ⇒ Object 



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# File 'lib/hrules.rb', line 159

def mutate(rule_string)
  to_return = self
  skip      = 0
  rule_string.each_char.with_index do |character, index|
    if index < skip
      next
    end
    rule = Rules.find_rule(character)
    next unless rule
    if rule.takes_parameters?
      thing     = rule_string[ ((index +1 )..(index + rule.param_count)) ]
      to_return = to_return.send(rule.mutation, thing )
      skip      = index + rule.param_count + 1
    else
      to_return = to_return.send(rule.mutation)
    end
  end
  return to_return
end

#omit_from_position(positions) ⇒ Object 



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# File 'lib/hrules.rb', line 94

def omit_from_position(positions)
  start_p, end_p = positions[0].to_i, positions[1].to_i
  range = (start_p..end_p).to_a
  self.split("").reject.with_index { |v, i| range.include?(i) }.join("")
end

#overwrite_at_x(positions) ⇒ Object 



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# File 'lib/hrules.rb', line 108

def overwrite_at_x(positions)
  loc, char = positions[0].to_i, positions[1]
  self[loc] = char
  self
rescue IndexError
  self
end

#prepend_character(character) ⇒ Object 



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# File 'lib/hrules.rb', line 73

def prepend_character(character)
  "#{character}#{self}"
end

#purge_instances_of_x(character) ⇒ Object 



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# File 'lib/hrules.rb', line 129

def purge_instances_of_x(character)
  self.gsub(character, "")
rescue IndexError
  self
end

#reflect ⇒ Object 



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# File 'lib/hrules.rb', line 57

def reflect
  "#{self}#{self.reverse}"
end

#replace_with_char(characters) ⇒ Object 



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# File 'lib/hrules.rb', line 122

def replace_with_char(characters)
  replace, replace_with = characters.split("")[0], characters.split("")[1]
  self.gsub(replace, replace_with)
rescue IndexError
  self
end

#rotate_left ⇒ Object 



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# File 'lib/hrules.rb', line 61

def rotate_left
  self.split("").rotate(1).join("")
end

#rotate_right ⇒ Object 



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# File 'lib/hrules.rb', line 65

def rotate_right
  self.split("").rotate(-1).join("")
end

#swap(characters) ⇒ Object 



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# File 'lib/hrules.rb', line 179

def swap(characters)
  pos1, pos2 = characters.split("")[0].to_i, characters.split("")[1].to_i
  if pos1.between?(0, (self.length - 1)) and pos2.between?(0, (self.length - 1)) 
    self[pos1] = self[pos2]
  end
  self
rescue IndexError
  self
end

#toggle_at_position(position) ⇒ Object 



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# File 'lib/hrules.rb', line 48

def toggle_at_position(position)
  if self[position.to_i] then self[position.to_i] = self[position.to_i]&.upcase end
  return self
end

#truncate_from_x(position) ⇒ Object 



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# File 'lib/hrules.rb', line 116

def truncate_from_x(position)
  self[0..position.to_i]
rescue IndexError
  self
end