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Contents
# Credit to Brian Candler on a ruby-forum post for this
# http://www.ruby-forum.com/topic/166075
require 'rubygems'
require 'json'
class OrderedHash
include Enumerable
def initialize
@h = {}
@a = []
end
def [](k)
@h[k]
end
def []=(k,v)
@a << k unless @h.has_key?(k)
@h[k] = v
end
def merge(o={})
na = dup
o.each {|k,v| na[k] = v }
na
end
def keys
map {|k,v| k }
end
def has_key?(k)
end
def values
map {|k,v| v }
end
def size
@h.size
end
def merge!(o={})
o.each {|k,v| self[k] = v }
end
def each
@a.each { |k| yield k,@h[k] }
end
#TODO: Need specs below here
def each_value
@a.each {|k| yield(@h[k])}
end
def each_key
@a.each {|k| yield k}
end
def clear
@a.clear
@h.clear
end
def delete(k, &block)
@a.delete k
@h.delete(k, &block)
end
def reject!
del = []
each_pair {|k,v| del << k if yield k,v}
del.each {|k| delete k}
del.empty? ? nil : self
end
def delete_if(&block)
reject!(&block)
self
end
def method_missing(*args)
@h.send(*args)
end
def to_hash
self
end
def to_h
self
end
def to_json
"{#{collect{|k, v| "\"#{k.to_s}\":#{v.to_json}"}.join(',')}}"
end
end
# {}.to_json
# oh2= OrderedHash.new
# oh2[:thing] = 'majobber'
# oh2['stuff'] = 'bb'
#
# oh = OrderedHash.new
# oh[nil] = nil
# oh[:var1]=3
# oh['time']=Time.now
# oh[3]=[1,2,3]
# oh['false'] = false
# oh['ordered_hash'] = oh2
# oh["var4"]={:keyme=>'valueme'}
# oh.each { |k,v| puts "#{k}=>#{v}" }
# p oh.to_json
Version data entries
22 entries across 22 versions & 3 rubygems