Class: Rsubhak

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

Class Method Summary collapse

Class Method Details

.rstrip(ha) ⇒ Object

Recursively traverse a hash or array ha (potentially of other nested hashes and/or arrays), searching for all values that respond to strip, and calling strip! on them to remove leading and trailing whitespace.

Parameters

ha

hash or array

Examples

rstrip(params)

Pronunciation

r strip



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

def self.rstrip(ha)
  case ha
  when Hash
    ha.each { |key, value|
      case value
      when Hash
        self.rstrip(ha[key])
      when Array
        self.rstrip(value)
      else
        value.strip! if value.respond_to?(:strip) # base case
      end
    }
  when Array
    ha.each_with_index { |item, index|
      if item.class == Hash || item.class == Array
        self.rstrip(item)
      elsif item.respond_to?(:strip) # base case
        ha[index].strip!
      end
    }
  end
end

.rsubhak(ha, k, p, r) ⇒ Object

Recursively traverse a hash or array ha (potentially of other nested hashes and/or arrays), searching for all occurrences of hash key k, and substituting (within their values) all occurrences of pattern p for replacement r.

Parameters

ha

hash or array

k

hash key

p

pattern

r

replacement

Examples

rsubhak(params, 'price', /[€.]/, '') rsubhak(params, 'price', /,/, '.')

rsubhak(params, 'price', /[\$,]/, '')

Pronunciation

r sub hak



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# File 'lib/rsubhak.rb', line 24

def self.rsubhak(ha, k, p, r)
  case ha
  when Hash
    ha[k].gsub!(p, r) if ha[k] # base case
    ha.each { |key, value|
      case value
      when Hash
        rsubhak(ha[key], k, p, r)
      when Array
        rsubhak(value, k, p, r)
      end
    }
  when Array
    ha.each { |i|
      rsubhak(i, k, p, r) if i.class == Hash || i.class == Array
    }
  end
end