Class: Hash

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

Overview

Hash extensions taken from John Nunemaker’s Crack gem.

Crack was previously a dependency for HTTParty, but since it no longer is, the methods being used by ToLang are included here directly.

Instance Method Summary collapse

Instance Method Details

#normalize_param(key, value) ⇒ String

Turns a key value pair into a string suitable for HTTP requests.

Parameters:

  • key (Object) —

    The key for the param.

  • value (Object) —

    The value for the param.

Returns:

  • (String) —

    This key value pair as a param



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# File 'lib/to_lang/core_ext.rb', line 25

def normalize_param(key, value)
  param = ''
  stack = []

  if value.is_a?(Array)
    param << value.map { |element| normalize_param("#{key}[]", element) }.join
  elsif value.is_a?(Hash)
    stack << [key,value]
  else
    param << "#{key}=#{URI.encode(value.to_s, Regexp.new("[^#{URI::PATTERN::UNRESERVED}]"))}&"
  end

  stack.each do |parent, hash|
    hash.each do |key, value|
      if value.is_a?(Hash)
        stack << ["#{parent}[#{key}]", value]
      else
        param << normalize_param("#{parent}[#{key}]", value)
      end
    end
  end

  param
end

#to_params ⇒ String

Convert the entire has into a string suitable for HTTP requests.

Returns:

  • (String) —

    This hash as a query string.



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# File 'lib/to_lang/core_ext.rb', line 12

def to_params
  params = self.map { |k,v| normalize_param(k,v) }.join
  params.chop! # trailing &
  params
end