First stage of i18n. Some migrations and extra plugins.

This commit is contained in:
Shaun McDonald 2009-05-22 18:36:17 +00:00
parent 6ac7f91734
commit 53b4d645d8
82 changed files with 6876 additions and 18 deletions

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# = Dictionary
#
# The Dictionary class is a Hash that preserves order.
# So it has some array-like extensions also. By defualt
# a Dictionary object preserves insertion order, but any
# order can be specified including alphabetical key order.
#
# == Usage
#
# Just require this file and use Dictionary instead of Hash.
#
# # You can do simply
# hsh = Dictionary.new
# hsh['z'] = 1
# hsh['a'] = 2
# hsh['c'] = 3
# p hsh.keys #=> ['z','a','c']
#
# # or using Dictionary[] method
# hsh = Dictionary['z', 1, 'a', 2, 'c', 3]
# p hsh.keys #=> ['z','a','c']
#
# # but this don't preserve order
# hsh = Dictionary['z'=>1, 'a'=>2, 'c'=>3]
# p hsh.keys #=> ['a','c','z']
#
# # Dictionary has useful extensions: push, pop and unshift
# p hsh.push('to_end', 15) #=> true, key added
# p hsh.push('to_end', 30) #=> false, already - nothing happen
# p hsh.unshift('to_begin', 50) #=> true, key added
# p hsh.unshift('to_begin', 60) #=> false, already - nothing happen
# p hsh.keys #=> ["to_begin", "a", "c", "z", "to_end"]
# p hsh.pop #=> ["to_end", 15], if nothing remains, return nil
# p hsh.keys #=> ["to_begin", "a", "c", "z"]
# p hsh.shift #=> ["to_begin", 30], if nothing remains, return nil
#
# == Usage Notes
#
# * You can use #order_by to set internal sort order.
# * #<< takes a two element [k,v] array and inserts.
# * Use ::auto which creates Dictionay sub-entries as needed.
# * And ::alpha which creates a new Dictionary sorted by key.
#
# == Authors
#
# * Jan Molic
# * Thomas Sawyer
#
# == Acknowledgments
#
# * Andrew Johnson (merge, to_a, inspect, shift and Hash[])
# * Jeff Sharpe (reverse and reverse!)
# * Thomas Leitner (has_key? and key?)
#
# Originally ported from OrderHash 2.0, Copyright (c) 2005 jan molic
#
# == History
#
# * 2007.10.31 trans
# ** Fixed initialize so the constructor blocks correctly effected dictionary rather then just the internal hash.
#
# == Copying
#
# Copyright (c) 2005 Jan Molic, Thomas Sawyer
#
# Ruby License
#
# This module is free software. You may use, modify, and/or redistribute this
# software under the same terms as Ruby.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE.
# = Dictionary
#
# The Dictionary class is a Hash that preserves order.
# So it has some array-like extensions also. By defualt
# a Dictionary object preserves insertion order, but any
# order can be specified including alphabetical key order.
#
# == Usage
#
# Just require this file and use Dictionary instead of Hash.
#
# # You can do simply
# hsh = Dictionary.new
# hsh['z'] = 1
# hsh['a'] = 2
# hsh['c'] = 3
# p hsh.keys #=> ['z','a','c']
#
# # or using Dictionary[] method
# hsh = Dictionary['z', 1, 'a', 2, 'c', 3]
# p hsh.keys #=> ['z','a','c']
#
# # but this don't preserve order
# hsh = Dictionary['z'=>1, 'a'=>2, 'c'=>3]
# p hsh.keys #=> ['a','c','z']
#
# # Dictionary has useful extensions: push, pop and unshift
# p hsh.push('to_end', 15) #=> true, key added
# p hsh.push('to_end', 30) #=> false, already - nothing happen
# p hsh.unshift('to_begin', 50) #=> true, key added
# p hsh.unshift('to_begin', 60) #=> false, already - nothing happen
# p hsh.keys #=> ["to_begin", "a", "c", "z", "to_end"]
# p hsh.pop #=> ["to_end", 15], if nothing remains, return nil
# p hsh.keys #=> ["to_begin", "a", "c", "z"]
# p hsh.shift #=> ["to_begin", 30], if nothing remains, return nil
#
# == Usage Notes
#
# * You can use #order_by to set internal sort order.
# * #<< takes a two element [k,v] array and inserts.
# * Use ::auto which creates Dictionay sub-entries as needed.
# * And ::alpha which creates a new Dictionary sorted by key.
#
class Dictionary
include Enumerable
class << self
#--
# TODO is this needed? Doesn't the super class do this?
#++
def [](*args)
hsh = new
if Hash === args[0]
hsh.replace(args[0])
elsif (args.size % 2) != 0
raise ArgumentError, "odd number of elements for Hash"
else
while !args.empty?
hsh[args.shift] = args.shift
end
end
hsh
end
# Like #new but the block sets the order.
#
def new_by(*args, &blk)
new(*args).order_by(&blk)
end
# Alternate to #new which creates a dictionary sorted by key.
#
# d = Dictionary.alpha
# d["z"] = 1
# d["y"] = 2
# d["x"] = 3
# d #=> {"x"=>3,"y"=>2,"z"=>2}
#
# This is equivalent to:
#
# Dictionary.new.order_by { |key,value| key }
def alpha(*args, &block)
new(*args, &block).order_by_key
end
# Alternate to #new which auto-creates sub-dictionaries as needed.
#
# d = Dictionary.auto
# d["a"]["b"]["c"] = "abc" #=> { "a"=>{"b"=>{"c"=>"abc"}}}
#
def auto(*args)
#AutoDictionary.new(*args)
leet = lambda { |hsh, key| hsh[key] = new(&leet) }
new(*args, &leet)
end
end
# New Dictiionary.
def initialize(*args, &blk)
@order = []
@order_by = nil
if blk
dict = self # This ensure autmatic key entry effect the
oblk = lambda{ |hsh, key| blk[dict,key] } # dictionary rather then just the interal hash.
@hash = Hash.new(*args, &oblk)
else
@hash = Hash.new(*args)
end
end
def order
reorder if @order_by
@order
end
# Keep dictionary sorted by a specific sort order.
def order_by( &block )
@order_by = block
order
self
end
# Keep dictionary sorted by key.
#
# d = Dictionary.new.order_by_key
# d["z"] = 1
# d["y"] = 2
# d["x"] = 3
# d #=> {"x"=>3,"y"=>2,"z"=>2}
#
# This is equivalent to:
#
# Dictionary.new.order_by { |key,value| key }
#
# The initializer Dictionary#alpha also provides this.
def order_by_key
@order_by = lambda { |k,v| k }
order
self
end
# Keep dictionary sorted by value.
#
# d = Dictionary.new.order_by_value
# d["z"] = 1
# d["y"] = 2
# d["x"] = 3
# d #=> {"x"=>3,"y"=>2,"z"=>2}
#
# This is equivalent to:
#
# Dictionary.new.order_by { |key,value| value }
def order_by_value
@order_by = lambda { |k,v| v }
order
self
end
#
def reorder
if @order_by
assoc = @order.collect{ |k| [k,@hash[k]] }.sort_by(&@order_by)
@order = assoc.collect{ |k,v| k }
end
@order
end
#def ==( hsh2 )
# return false if @order != hsh2.order
# super hsh2
#end
def ==(hsh2)
if hsh2.is_a?( Dictionary )
@order == hsh2.order &&
@hash == hsh2.instance_variable_get("@hash")
else
false
end
end
def [] k
@hash[ k ]
end
def fetch(k, *a, &b)
@hash.fetch(k, *a, &b)
end
# Store operator.
#
# h[key] = value
#
# Or with additional index.
#
# h[key,index] = value
def []=(k, i=nil, v=nil)
if v
insert(i,k,v)
else
store(k,i)
end
end
def insert( i,k,v )
@order.insert( i,k )
@hash.store( k,v )
end
def store( a,b )
@order.push( a ) unless @hash.has_key?( a )
@hash.store( a,b )
end
def clear
@order = []
@hash.clear
end
def delete( key )
@order.delete( key )
@hash.delete( key )
end
def each_key
order.each { |k| yield( k ) }
self
end
def each_value
order.each { |k| yield( @hash[k] ) }
self
end
def each
order.each { |k| yield( k,@hash[k] ) }
self
end
alias each_pair each
def delete_if
order.clone.each { |k| delete k if yield(k,@hash[k]) }
self
end
def values
ary = []
order.each { |k| ary.push @hash[k] }
ary
end
def keys
order
end
def invert
hsh2 = self.class.new
order.each { |k| hsh2[@hash[k]] = k }
hsh2
end
def reject(&block)
self.dup.delete_if(&block)
end
def reject!( &block )
hsh2 = reject(&block)
self == hsh2 ? nil : hsh2
end
def replace( hsh2 )
@order = hsh2.order
@hash = hsh2.hash
end
def shift
key = order.first
key ? [key,delete(key)] : super
end
def unshift( k,v )
unless @hash.include?( k )
@order.unshift( k )
@hash.store( k,v )
true
else
false
end
end
def <<(kv)
push(*kv)
end
def push( k,v )
unless @hash.include?( k )
@order.push( k )
@hash.store( k,v )
true
else
false
end
end
def pop
key = order.last
key ? [key,delete(key)] : nil
end
def inspect
ary = []
each {|k,v| ary << k.inspect + "=>" + v.inspect}
'{' + ary.join(", ") + '}'
end
def dup
a = []
each{ |k,v| a << k; a << v }
self.class[*a]
end
def update( hsh2 )
hsh2.each { |k,v| self[k] = v }
reorder
self
end
alias :merge! update
def merge( hsh2 )
self.dup.update(hsh2)
end
def select
ary = []
each { |k,v| ary << [k,v] if yield k,v }
ary
end
def reverse!
@order.reverse!
self
end
def reverse
dup.reverse!
end
#
def first(x=nil)
return @hash[order.first] unless x
order.first(x).collect { |k| @hash[k] }
end
#
def last(x=nil)
return @hash[order.last] unless x
order.last(x).collect { |k| @hash[k] }
end
def length
@order.length
end
alias :size :length
def empty?
@hash.empty?
end
def has_key?(key)
@hash.has_key?(key)
end
def key?(key)
@hash.key?(key)
end
def to_a
ary = []
each { |k,v| ary << [k,v] }
ary
end
def to_s
self.to_a.to_s
end
def to_hash
@hash.dup
end
def to_h
@hash.dup
end
end

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require File.join(File.dirname(__FILE__), 'dictionary')
require File.join(File.dirname(__FILE__), 'yaml_waml')

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# stolen from Kakutani Shintaro http://github.com/kakutani/yaml_waml
require "yaml"
class String
def is_binary_data?
false
end
end
module YamlWaml
def decode(orig_yamled)
yamled_str = case orig_yamled
when String then orig_yamled
when StringIO then orig_yamled.string
else return orig_yamled
end
yamled_str.gsub!(/\\x(\w{2})/){[$1].pack("H2")}
return yamled_str
end
module_function :decode
end
ObjectSpace.each_object(Class) do |klass|
klass.class_eval do
if method_defined?(:to_yaml) && !method_defined?(:to_yaml_with_decode)
def to_yaml_with_decode(*args)
io = args.shift if IO === args.first
yamled_str = YamlWaml.decode(to_yaml_without_decode(*args))
io.write(yamled_str) if io
return yamled_str
end
alias_method :to_yaml_without_decode, :to_yaml
alias_method :to_yaml, :to_yaml_with_decode
end
end
end