module Checkr::Util

Public Class Methods

constantize(str, prefix=false) click to toggle source
# File lib/checkr/util.rb, line 78
def self.constantize(str, prefix=false)
  p = "#{self.name}".split("::").first
  if "#{str}".split("::").first != p
    str = "#{p}::#{str}"
  end
  str.split('::').reduce(Module, :const_get)
end
escape(val) click to toggle source
# File lib/checkr/util.rb, line 42
def self.escape(val)
  ERB::Util.url_encode(val.to_s)
end
query_array(params, key_prefix=nil) click to toggle source

Three major use cases (and nesting of them needs to be supported):

{ :a => { :b => "bvalue" } }  => ["a[b]=bvalue"]
{ :a => [1, 2] }           => ["a[]=1", "a[]=2"]
{ :a => "value" }          => ["a=value"]
# File lib/checkr/util.rb, line 18
def self.query_array(params, key_prefix=nil)
  ret = []
  params.each do |key, value|
    if params.is_a?(Array)
      value = key
      key = ''
    end
    key_suffix = escape(key)
    full_key = key_prefix ? "#{key_prefix}[#{key_suffix}]" : key_suffix

    if value.is_a?(Hash) || value.is_a?(Array)
      # Handles the following cases:
      #   { :a => { :b => "bvalue" } }  => ["a[b]=bvalue"]
      #   { :a => [1, 2] }           => ["a[]=1", "a[]=2"]
      ret += query_array(value, full_key)
    else
      # Handles the base case with just key and value:
      #   { :a => "value" } => ["a=value"]
      ret << "#{full_key}=#{escape(value)}"
    end
  end
  ret
end
query_string(params) click to toggle source
# File lib/checkr/util.rb, line 6
def self.query_string(params)
  if params && params.any?
    return query_array(params).join('&')
  else
    return ""
  end
end
sorta_deep_clone(json) click to toggle source
# File lib/checkr/util.rb, line 60
def self.sorta_deep_clone(json)
  if json.is_a?(Hash)
    ret = {}
    json.each do |k, v|
      ret[k] = sorta_deep_clone(v)
    end
    ret
  elsif json.is_a?(Array)
    json.map{ |j| sorta_deep_clone(j) }
  else
    begin
      json.dup
    rescue
      json
    end
  end
end
symbolize_keys(obj) click to toggle source
# File lib/checkr/util.rb, line 46
def self.symbolize_keys(obj)
  if obj.is_a?(Hash)
    ret = {}
    obj.each do |key, value|
      ret[(key.to_sym rescue key) || key] = symbolize_keys(value)
    end
    return ret
  elsif obj.is_a?(Array)
    return obj.map{ |value| symbolize_keys(value) }
  else
    return obj
  end
end