Class: Merb::Request

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

Class Method Summary collapse

Class Method Details

.params_to_query_string(value, prefix = nil) ⇒ Object

Parameters

value<Array, Hash, Dictionary ~to_s>

The value for the query string.

prefix<~to_s>

The prefix to add to the query string keys.

Returns

String

The query string.

Alternatives

If the value is a string, the prefix will be used as the key.

Examples

params_to_query_string(10, "page")
  # => "page=10"
params_to_query_string({ :page => 10, :word => "ruby" })
  # => "page=10&word=ruby"
params_to_query_string({ :page => 10, :word => "ruby" }, "search")
  # => "search[page]=10&search[word]=ruby"
params_to_query_string([ "ice-cream", "cake" ], "shopping_list")
  # => "shopping_list[]=ice-cream&shopping_list[]=cake"



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# File 'lib/merb_cache_more/request.rb', line 23

def params_to_query_string(value, prefix = nil)
  case value
  when Array
    value.map { |v|
      params_to_query_string(v, "#{prefix}[]")
    } * "&"
  when Hash, Dictionary
    value.map { |k, v|
      params_to_query_string(v, prefix ? "#{prefix}[#{Merb::Request.escape(k)}]" : Merb::Request.escape(k))
    } * "&"
  else
    "#{prefix}=#{Merb::Request.escape(value)}"
  end
end

.query_parse(qs, d = '&;', preserve_order = false) ⇒ Object

Parameters

qs<String>

The query string.

d<String>

The query string divider. Defaults to “&”.

preserve_order<Boolean>

Preserve order of args. Defaults to false.

Returns

Mash

The parsed query string (Dictionary if preserve_order is set).

Examples

query_parse("bar=nik&post[body]=heya")
  # => { :bar => "nik", :post => { :body => "heya" } }



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# File 'lib/merb_cache_more/request.rb', line 49

def query_parse(qs, d = '&;', preserve_order = false)
  qh = preserve_order ? Dictionary.new : {}
  (qs||'').split(/[#{d}] */n).inject(qh) { |h,p| 
    key, value = unescape(p).split('=',2)
    normalize_params(h, key, value)
  }
  preserve_order ? qh : qh.to_mash
end