Class: URI::Generic

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

Class Method Summary collapse

Class Method Details

.query_from_hash(q_hash) ⇒ Object

Create a URI query string from a Hash. The keys in the returned query string are sorted for easier testing. Example: => ‘bar’, :biz => ‘b a z’ -> ‘?biz=b%20a%20z&foo=bar’



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# File 'lib/uri_extensions.rb', line 12

def self.query_from_hash(q_hash)
    return '' if q_hash.nil?

    # Reveal cases where the caller thought they were using HashWithIndifferentAccess
    # but actually they used Hash and probably got duplicate keys (:foo vs 'foo')
    q_hash = q_hash.rekey{|k| k.is_a?(Symbol) ? ":#{k}" : k} unless q_hash.is_a?(HashWithIndifferentAccess)

    pairs = []
    q_hash.each_pair{|k,v| pairs << "#{k}=#{URI.escape(v.to_s)}" unless v.nil?}
    '?' + pairs.sort.join('&')
end