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module RI
# Encapsulate all the strangeness to do with finding out
# where to find RDoc files
#
# We basically deal with three directories:
#
# 1. The 'system' documentation directory, which holds
# the documentation distributed with Ruby, and which
# is managed by the Ruby install process
# 2. The 'site' directory, which contains site-wide
# documentation added locally.
# 3. The 'user' documentation directory, stored under the
# user's own home directory.
#
# There's contention about all this, but for now:
#
# system:: $datadir/ri/<ver>/system/...
# site:: $datadir/ri/<ver>/site/...
# user:: ~/.rdoc
module Paths
#:stopdoc:
require 'rbconfig'
DOC_DIR = "doc/rdoc"
version = Config::CONFIG['ruby_version']
base = File.join(Config::CONFIG['datadir'], "ri", version)
SYSDIR = File.join(base, "system")
SITEDIR = File.join(base, "site")
homedir = ENV['HOME'] || ENV['USERPROFILE'] || ENV['HOMEPATH']
if homedir
HOMEDIR = File.join(homedir, ".rdoc")
else
HOMEDIR = nil
end
# This is the search path for 'ri'
PATH = [ SYSDIR, SITEDIR, HOMEDIR ].find_all {|p| p && File.directory?(p)}
end
end
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