Class: Jsonit::Builder

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

Instance Method Summary collapse

Constructor Details

#initialize(scope = {}) {|_self| ... } ⇒ Builder

Returns a new instance of Builder.

Yields:

  • (_self)

Yield Parameters:



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# File 'lib/jsonit/builder.rb', line 6

def initialize(scope={})
  @document = @current_scope = scope
  yield self if block_given?
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(meth, *args, &blk) ⇒ Object 



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# File 'lib/jsonit/builder.rb', line 57

def method_missing(meth, *args, &blk)
  if (meth.to_s =~ /\?$|!$/).nil?
    return set!(meth, *args, &blk)
  end
  super
end

Instance Method Details

#array!(key, collection = [], &blk) ⇒ Object 



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# File 'lib/jsonit/builder.rb', line 43

def array!(key, collection=[], &blk)
  collection.map! { |itm| object!(nil, itm, &blk) } if block_given?
  assign!(key, collection)
end

#assign!(key, value = nil) ⇒ Object 



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# File 'lib/jsonit/builder.rb', line 48

def assign!(key, value=nil)
  if value.is_a?(Hash) && @current_scope[key].is_a?(Hash)
    @current_scope[key].merge!(value)
  else
    @current_scope[key] = value
  end
  self
end

#encode_json ⇒ Object Also known as: as_json 



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# File 'lib/jsonit/builder.rb', line 20

def encode_json(*)
  @document
end

#object!(key = nil, value = nil) {|value| ... } ⇒ Object

Yields:

  • (value) 


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# File 'lib/jsonit/builder.rb', line 36

def object!(key=nil, value=nil, &blk)
  @current_scope, previous_scope = {}, @current_scope
  yield value
  @current_scope, new_scope = previous_scope, @current_scope
  !key.nil? ? assign!(key, new_scope) : Builder.new(new_scope)
end

#set!(key = nil, value = nil, &blk) ⇒ Object 



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# File 'lib/jsonit/builder.rb', line 25

def set!(key=nil, value=nil, &blk)
  if !block_given?
    assign!(key, value)
  elsif value.is_a?(Enumerable)
    array!(key, value, &blk)
  else
    object!(key, value, &blk)
  end
  self
end

#to_json(*args) ⇒ Object 



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# File 'lib/jsonit/builder.rb', line 15

def to_json(*args)
  @document.to_json(*args)
end

#to_s ⇒ Object 



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# File 'lib/jsonit/builder.rb', line 11

def to_s
  to_json
end