Class: PlatformosCheck::StrictPosition

Inherits:
Object
  • Object
show all
Includes:
PositionHelper
Defined in:
lib/platformos_check/position.rb

Overview

This method is stricter than Position in the sense that it doesn’t accept invalid inputs. Makes for code that is easier to understand.

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from PositionHelper

#bounded, #from_index_to_row_column, #from_row_column_to_index

Constructor Details

#initialize(needle, contents, start_index) ⇒ StrictPosition

Returns a new instance of StrictPosition.

Raises:

  • (ArgumentError) 


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# File 'lib/platformos_check/position.rb', line 128

def initialize(needle, contents, start_index)
  raise ArgumentError, 'Bad start_index' unless start_index.is_a?(Integer)
  raise ArgumentError, 'Bad contents' unless contents.is_a?(String)
  raise ArgumentError, 'Bad needle' unless needle.is_a?(String) || !contents.index(needle, start_index)

  @needle = needle
  @contents = contents
  @start_index = start_index
  @start_row_column = nil
  @end_row_column = nil
end

Instance Attribute Details

#contents ⇒ Object (readonly)

Returns the value of attribute contents.



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# File 'lib/platformos_check/position.rb', line 126

def contents
  @contents
end

#needle ⇒ Object (readonly)

Returns the value of attribute needle.



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# File 'lib/platformos_check/position.rb', line 126

def needle
  @needle
end

Instance Method Details

#end_column ⇒ Object 



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# File 'lib/platformos_check/position.rb', line 162

def end_column
  end_row_column[1]
end

#end_index ⇒ Object

0-indexed, exclusive



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# File 'lib/platformos_check/position.rb', line 146

def end_index
  start_index + needle.size
end

#end_row ⇒ Object 



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# File 'lib/platformos_check/position.rb', line 158

def end_row
  end_row_column[0]
end

#start_column ⇒ Object 



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# File 'lib/platformos_check/position.rb', line 154

def start_column
  start_row_column[1]
end

#start_index ⇒ Object

0-indexed, inclusive



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# File 'lib/platformos_check/position.rb', line 141

def start_index
  @contents.index(needle, @start_index)
end

#start_row ⇒ Object 



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# File 'lib/platformos_check/position.rb', line 150

def start_row
  start_row_column[0]
end