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RDoc abbrev

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5513 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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dave 2004-01-20 05:27:23 +00:00
parent f8c7b41165
commit e10e26d329
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4
ChangeLog
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@ -1,3 +1,7 @@
Tue Jan 20 14:25:51 2004 Dave Thomas <dave@pragprog.com>
* lib/abbrev.rb: Add RDoc
Tue Jan 20 13:22:39 2004 Dave Thomas <dave@pragprog.com>
* lib/rdoc/generators/html_generator.rb: Document aliases at

38
lib/abbrev.rb
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@ -1,4 +1,5 @@
#!/usr/bin/env ruby
=begin
#
# Copyright (c) 2001,2003 Akinori MUSHA <knu@iDaemons.org>
#
@ -8,8 +9,38 @@
# $Idaemons: /home/cvs/rb/abbrev.rb,v 1.2 2001/05/30 09:37:45 knu Exp $
# $RoughId: abbrev.rb,v 1.4 2003/10/14 19:45:42 knu Exp $
# $Id$
=end
# Calculate the set of unique abbreviations for a given set of strings.
#
# require 'abbrev'
# require 'pp'
#
# pp Abbrev::abbrev(['ruby', 'rules']).sort
#
# <i>Generates:</i>
#
# [["rub", "ruby"],
# ["ruby", "ruby"],
# ["rul", "rules"],
# ["rule", "rules"],
# ["rules", "rules"]]
#
# Also adds an +abbrev+ method to class +Array+.
module Abbrev
# Given a set of strings, calculate the set of unambiguous
# abbreviations for those strings, and return a hash where the keys
# are all the possible abbreviations and the values are the full
# strings. Thus, given input of "car" and "cone", the keys pointing
# to "car" would be "ca" and "car", while those pointing to "cone"
# would be "co", "con", and "cone".
#
# The optional +pattern+ parameter is a pattern or a string. Only
# those input strings matching the pattern, or begging the string,
# are considered for inclusion in the output hash
def abbrev(words, pattern = nil)
table = {}
seen = Hash.new(0)
@ -49,6 +80,13 @@ module Abbrev
end
class Array
# Calculates the set of unambiguous abbreviations for the strings in
# +self+. If passed a pattern or a string, only the strings matching
# the pattern or starting with the string are considered.
#
# %w{ car cone }.abbrev #=> { "ca" => "car", "car" => "car",
# "co" => "cone", "con" => cone",
# "cone" => "cone" }
def abbrev(pattern = nil)
Abbrev::abbrev(self, pattern)
end