Class: Paco::Index

Inherits:
Struct
  • Object
show all
Defined in:
lib/paco/index.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Attribute Details

#column ⇒ Object

Returns the value of attribute column

Returns:

  • (Object) —

    the current value of column



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# File 'lib/paco/index.rb', line 2

def column
  @column
end

#line ⇒ Object

Returns the value of attribute line

Returns:

  • (Object) —

    the current value of line



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# File 'lib/paco/index.rb', line 2

def line
  @line
end

#pos ⇒ Object

Returns the value of attribute pos

Returns:

  • (Object) —

    the current value of pos



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# File 'lib/paco/index.rb', line 2

def pos
  @pos
end

Class Method Details

.calculate(input:, pos:) ⇒ Object

Parameters:

  • input (String)
  • pos (Integer)

Raises:

  • (ArgumentError) 


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# File 'lib/paco/index.rb', line 5

def self.calculate(input:, pos:)
  raise ArgumentError, "`pos` must be a non-negative integer" if pos < 0
  raise ArgumentError, "`pos` is grater then input length" if pos > input.length

  lines = input[0..pos].lines
  line = lines.empty? ? 1 : lines.length
  column = lines.last&.length || 1
  new(pos, line, column)
end